CN220701082U - Drive-by-wire service braking mechanism of intelligent chassis - Google Patents
Drive-by-wire service braking mechanism of intelligent chassis Download PDFInfo
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- CN220701082U CN220701082U CN202322212786.0U CN202322212786U CN220701082U CN 220701082 U CN220701082 U CN 220701082U CN 202322212786 U CN202322212786 U CN 202322212786U CN 220701082 U CN220701082 U CN 220701082U
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- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of vehicle brake-by-wire, and discloses a brake-by-wire mechanism of an intelligent chassis, which is used for solving the technical problems that the automatic adjustment function of gaps of partial EMB in the current market is not perfect, a larger motor and a corresponding speed reducing mechanism are required for brake-by-wire, the occupied space is large, and the whole arrangement is not facilitated; a rotary block is arranged on one side of the convex surface of the brake caliper, and two ends of the rotary block are rotatably connected with movable support columns; when the EMB motor is started, when the pushing rod extends to push the brake friction plate at one side to clamp the brake disc, the linkage block on the pushing rod also pushes the movable support column at one end of the rotating block, the movable support column rotates to influence the rotation of the rotating block, so that the movable support column at the other end moves towards the direction of the linkage block, and the tail end brake friction plate of the movable support column is driven to clamp the brake disc; through the joint operation of the linkage components, the automatic EMB clearance adjusting function is made up, and stable braking effects are still achieved for different vehicles.
Description
Technical Field
The utility model belongs to the technical field of vehicle brake-by-wire, and particularly relates to a brake-by-wire mechanism of an intelligent chassis.
Background
The vehicle brake-by-wire technology is that a controller, a sensor and the like are added in a traditional braking system, and the control of the automobile is realized through modes of steering by wire, braking by wire, accelerator by wire, suspension by wire and the like.
The automatic clearance adjusting function of part of EMB in the current market is not perfect enough, and the braking moment requirement can be met only by a large motor and a corresponding speed reducing mechanism for service braking, so that the occupied space is large, and the integral arrangement is not facilitated.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art; therefore, the utility model provides a drive-by-wire service brake mechanism of an intelligent chassis, which is used for solving the technical problems that the automatic adjustment function of the gap of part of EMB in the current market is not perfect, the service brake can meet the requirement of braking moment only by a large motor and a corresponding speed reducing mechanism, the occupied space is large, and the whole arrangement is not facilitated.
The utility model relates to a drive-by-wire service brake mechanism of an intelligent chassis, which comprises a brake disc, wherein two brake calipers are symmetrically arranged on the brake disc, through holes are formed in two sides of each brake calipers, and a front pushing rod is arranged in each through hole in a penetrating manner; one end of the front pushing rod, which is far away from the through hole, is fixedly connected with an EMB motor; the front pushing rod is fixedly connected with a front linkage block, one end of the front linkage block, which is far away from the front pushing rod, is fixedly connected with a front movable supporting plate, one end of the front movable supporting plate, which is far away from the front linkage block, is rotationally connected with one end of a rotating block, the rotating block is rotationally connected onto a fixed rod, and the fixed rod is fixedly connected to one side of a curved surface of the brake caliper; the other end of the rotating block is rotationally connected with a rear movable supporting plate, one end, far away from the rotating block, of the rear movable supporting plate is fixedly connected to a rear linkage block, the rear linkage block is fixedly connected to a rear pushing rod, and the rear pushing rod is slidably connected to a through hole in the back of the brake caliper.
Preferably, the EMB motor is connected to the brake caliper by two front push rods.
Preferably, one end of the front movable supporting plate far away from the rotating block is a bevel surface and is parallel to the connecting surface of the front linkage block; the end of the rear movable supporting plate, which is far away from the rotating block, is a bevel surface and is parallel to the connecting surface of the rear linkage block.
Preferably, one side of the brake disc, which is far away from the EMB motor, is rotationally connected with a driving motor, and one end of the driving motor, which is far away from the brake disc, is provided with a motor reducer.
Preferably, one end of the brake disc, which is close to the EMB motor, is provided with a flange and a flange fixing check ring, and the flange, the flange and the flange fixing check ring are fixedly connected through bolts.
The brake caliper is characterized in that air holes are formed in two sides of the brake caliper, and braking friction plates are arranged on two sides of the inner wall of the brake caliper.
To achieve the above object, an embodiment according to a first aspect of the present utility model provides a brake-by-wire mechanism for an intelligent chassis, which has the following advantages compared with the prior art:
a rotary block is arranged on one side of the convex surface of the brake caliper, and two ends of the rotary block are rotatably connected with movable support columns; when the EMB motor is started, when the pushing rod extends to push the brake friction plate at one side to clamp the brake disc, the linkage block on the pushing rod also pushes the movable support column at one end of the rotating block, the movable support column rotates to influence the rotation of the rotating block, so that the movable support column at the other end moves towards the direction of the linkage block, and the tail end brake friction plate of the movable support column is driven to clamp the brake disc; the function of automatic adjustment of EMB clearance is made up by the joint operation of the linkage components, and stable braking effect is still achieved for different vehicles;
the two sides of the brake disc, which are wanted to be symmetrical, are respectively provided with the brake calipers, and the brake calipers are provided with various hole sites for other components to connect, so that the space utilization rate is improved, the stability of the whole structure is also improved, the damage of the brake disc due to uneven stress is avoided, the side face of the brake disc is provided with the motor reducer, when the EMB motor is started, the speed is reduced through the motor reducer, the output torque is also improved, and the torque output proportion is the motor output multiplied by the reduction ratio; on the premise of meeting the braking torque requirement, a motor with smaller power and smaller scale can be selected, so that the energy is saved and the installation space is reduced.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a top view of the present utility model;
fig. 3 is a side view of the present utility model.
Reference numerals: 1. a brake disc; 2. an EMB motor; 3. a driving motor; 4. a brake caliper; 401. ventilation holes; 5. a front push rod; 6. a front linkage block; 7. a front movable support plate; 8. a rotating block; 9. a rear movable support plate; 10. a rear linkage block; 11. a rear push rod; 12. a brake pad; 13. a flange fixing retainer ring; 14. a flange; 15. a motor reducer.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The application provides a drive-by-wire service brake mechanism of an intelligent chassis, as an embodiment I of the application, please refer to fig. 1 and 2, comprising a brake disc 1, wherein two brake calipers 4 are symmetrically arranged on the brake disc 1, through holes are formed in two sides of each brake calipers 4, and a front pushing rod 5 is arranged in the through holes in a penetrating manner; one end of the front pushing rod 5 far away from the through hole is fixedly connected with an EMB motor 2; the front pushing rod 5 is fixedly connected with a front linkage block 6, one end of the front linkage block 6, which is far away from the front pushing rod 5, is fixedly connected with a front movable supporting plate 7, one end of the front movable supporting plate 7, which is far away from the front linkage block 6, is rotationally connected with one end of a rotating block 8, the rotating block 8 is rotationally connected onto a fixed rod, and the fixed rod is fixedly connected to one side of a curved surface of the brake caliper 4; the other end of the rotating block 8 is rotatably connected with a rear movable supporting plate 9, one end, far away from the rotating block 8, of the rear movable supporting plate 9 is fixedly connected to a rear linkage block 10, the rear linkage block 10 is fixedly connected to a rear pushing rod 11, and the rear pushing rod 11 is slidably connected to a through hole in the back of the brake caliper 4.
The EMB motor 2 is connected to a brake caliper 4 by two front push rods 5.
The end of the front movable supporting plate 7, which is far away from the rotating block 8, is a chamfer surface and is parallel to the connecting surface of the front linkage block 6; the end of the rear movable supporting plate 9 far away from the rotating block 8 is a chamfer surface and is parallel to the connecting surface of the rear linkage block 10.
A rotary block 8 is arranged on one side of the convex surface of the brake caliper 4, and movable support columns are rotatably connected to two ends of the rotary block 8; when the EMB motor 2 is started, when the push rod extends to push the brake friction plate 12 on one side to clamp the brake disc 1, the linkage block on the push rod also pushes the movable support column at one end of the rotary block 8, the rotation of the movable support column influences the rotation of the rotary block 8, so that the movable support column at the other end moves towards the direction of the linkage block, and the brake friction plate 12 at the tail end of the movable support column is driven to clamp the brake disc 1; through the joint operation of the linkage components, the automatic EMB clearance adjusting function is made up, and stable braking effects are still achieved for different vehicles.
As a second embodiment of the present application, please refer to fig. 1, 2 and 3;
one side of the brake disc 1 far away from the EMB motor 2 is rotatably connected with a driving motor 3, and one end of the driving motor 3 far away from the brake disc 1 is provided with a motor reducer 15.
One end of the brake disc 1, which is close to the EMB motor 2, is provided with a flange 14 and a flange fixing check ring 13, and the flange 14 and the flange fixing check ring 13 are fixedly connected through bolts.
Air holes 401 are formed in two sides of the brake caliper 4, and braking friction plates 12 are arranged on two sides of the inner wall of the brake caliper 4.
Through respectively arranging the brake calipers 4 on two sides of the brake disc 1 which are wanted to be symmetrical, arranging various hole sites on the brake calipers 4 for connecting other components, not only improving the space utilization rate, but also increasing the stability of the whole structure, avoiding the damage of the brake disc 1 due to uneven stress, arranging the motor reducer 15 on the side surface of the brake disc, and improving the output torque while reducing the speed through the motor reducer 15 when the EMB motor 2 is started, wherein the torque output proportion is the motor output multiplied by the reduction ratio; on the premise of meeting the braking torque requirement, a motor with smaller power and smaller scale can be selected, so that the energy is saved and the installation space is reduced.
As a third embodiment of the present application, the technical solution of the present embodiment is to combine the solutions of the foregoing two embodiments.
The working principle of the utility model is as follows: when the EMB motor 2 receives a braking electric signal, the push rod pushes the braking friction plate 12 at one side of the brake caliper 4 to be tightly attached to the brake disc 1, meanwhile, the linkage block on the push rod pushes the movable support column at one end of the rotary block 8, the movable support column rotates to influence the rotary block 8 to rotate, and the movable support column at the other end moves towards the direction of the linkage block, so that the tail end braking friction plate 12 of the movable support column is driven to clamp the brake disc 1; in this process, the motor reducer 15 plays a role in reducing speed and increasing torque.
The above embodiments are only for illustrating the technical method of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present utility model may be modified or substituted without departing from the spirit and scope of the technical method of the present utility model.
Claims (6)
1. The drive-by-wire service braking mechanism of the intelligent chassis comprises a brake disc (1), and is characterized in that two brake calipers (4) are symmetrically arranged on the brake disc (1), through holes are formed in two sides of each brake calipers (4), and a front pushing rod (5) is arranged in each through hole in a penetrating mode; one end of the front pushing rod (5) far away from the through hole is fixedly connected with an EMB motor (2); the front pushing rod (5) is fixedly connected with a front linkage block (6), one end of the front linkage block (6) away from the front pushing rod (5) is fixedly connected with a front movable supporting plate (7), one end of the front movable supporting plate (7) away from the front linkage block (6) is rotationally connected with one end of a rotating block (8), the rotating block (8) is rotationally connected onto a fixed rod, and the fixed rod is fixedly connected to one side of a curved surface of the brake caliper (4); the other end of the rotating block (8) is rotationally connected with a rear movable supporting plate (9), one end, far away from the rotating block (8), of the rear movable supporting plate (9) is fixedly connected to a rear linkage block (10), the rear linkage block (10) is fixedly connected to a rear pushing rod (11), and the rear pushing rod (11) is slidably connected to a through hole in the back of the brake caliper (4).
2. The service brake-by-wire mechanism of an intelligent chassis of claim 1, wherein: the EMB motor (2) is connected with the brake caliper (4) through two front pushing rods (5).
3. The brake-by-wire mechanism of the intelligent chassis according to claim 1, wherein one end of the front movable supporting plate (7) far away from the rotating block (8) is a chamfer surface and is parallel to the connecting surface of the front linkage block (6); one end of the rear movable supporting plate (9) far away from the rotating block (8) is a chamfer surface and is parallel to the connecting surface of the rear linkage block (10).
4. The service brake-by-wire mechanism of an intelligent chassis of claim 1, wherein: one side of the brake disc (1) far away from the EMB motor (2) is rotationally connected with a driving motor (3), and one end of the driving motor (3) far away from the brake disc (1) is provided with a motor reducer (15).
5. The service brake-by-wire mechanism of an intelligent chassis of claim 1, wherein: one end of the brake disc (1) close to the EMB motor (2) is provided with a flange (14) and a flange fixing retainer ring (13), and the flange, the flange and the flange fixing retainer ring are fixedly connected through bolts.
6. The service brake-by-wire mechanism of an intelligent chassis of claim 1, wherein: air holes (401) are formed in two sides of the brake caliper (4), and braking friction plates (12) are arranged on two sides of the inner wall of the brake caliper (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212786.0U CN220701082U (en) | 2023-08-17 | 2023-08-17 | Drive-by-wire service braking mechanism of intelligent chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212786.0U CN220701082U (en) | 2023-08-17 | 2023-08-17 | Drive-by-wire service braking mechanism of intelligent chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220701082U true CN220701082U (en) | 2024-04-02 |
Family
ID=90444575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212786.0U Active CN220701082U (en) | 2023-08-17 | 2023-08-17 | Drive-by-wire service braking mechanism of intelligent chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220701082U (en) |
-
2023
- 2023-08-17 CN CN202322212786.0U patent/CN220701082U/en active Active
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