CN213332146U

CN213332146U - Control device for automatic emergency braking of AEBS (automatic emergency braking system) of commercial vehicle

Info

Publication number: CN213332146U
Application number: CN202022254909.3U
Authority: CN
Inventors: 邵云峰
Original assignee: Shenzhen Hongtu Zhixing Technology Co ltd
Current assignee: Shenzhen Hongtu Zhixing Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-01
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a controlling means for automatic emergency braking of commercial car AEBS, including brake disc main part, movable block, fixed block, friction disc and cooling module, brake disc main part lateral wall has seted up the oiling groove, and brake disc main part one side is equipped with the fixed bolster that has the notes liquid mouth, and both sides are equipped with movable block and fixed block about the brake disc main part that is located in the fixed bolster, and movable block and fixed block press close to the brake disc main part terminal surface and are equipped with the friction disc, and another terminal surface is connected with braking module in the fixed bolster that the movable block is located; through set up cooling module on the calliper of brake disc one side, the during operation, cooling module can move to the brake disc lateral wall under the drive of electromagnetic valve piece on, to its even coolant liquid that sprays for the brake wheel can dispel the heat fast, and then improves brake control device's working life, safe and reliable.

Description

Control device for automatic emergency braking of AEBS (automatic emergency braking system) of commercial vehicle

Technical Field

The utility model relates to an automobile brake technical field specifically is a controlling means that is used for automatic emergency braking of commercial car AEBS.

Background

With the continuous development of economy, the logistics transportation with automobiles as the main transportation means has become an important part of national economy. The safety of the automobile is also gradually paid attention. The brake device is an important component for guaranteeing the use safety of the automobile. The AEBS is an autonomous automatic road vehicle safety system that calculates an impending condition by monitoring the relative speed and distance between the leading vehicle and the detecting and target vehicles with sensors. In the case of a dangerous situation, the collision can be automatically avoided or the influence thereof can be reduced during emergency braking.

When the traditional vehicle brake control device is used for braking, the friction plate is generally controlled by the caliper to brake the brake wheel on the axle, and in the braking process, the friction between the brake wheel and the friction plate can cause the brake wheel to generate high temperature, so that the service life of a brake system can be influenced when the brake control device is in the working state for a long time, and meanwhile, potential safety hazards can be brought to daily driving and need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a controlling means for automatic emergency braking of commercial car AEBS to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a control device for automatic emergency braking of an AEBS (automatic emergency braking system) of a commercial vehicle comprises a brake disc main body, a movable block, a fixed block, a friction plate and a cooling assembly, wherein the cooling assembly is used for cooling the brake disc main body through cooling liquid;

the cooling module is including offering in fixed bolster one side and with the corresponding fixed spout of oiling groove, wear to be equipped with movable post in the fixed spout, the liquid outlet has been seted up to brake disc main part one side to the movable block, movable post bottom is through linking up two and fixed spout sliding connection of slider, movable capital end is connected through linking up slider one and setting up the solenoid valve piece that is used for controlling to link up slider one and removes in the fixed bolster, and link up the pipeline that a slider one place solenoid valve piece inner end was through wearing to establish in the fixed bolster and annotate the liquid mouth and be linked together.

Preferably, the brake assembly comprises a brake caliper shell arranged at the upper end of the fixed support, an oil injection port is formed in the top end of the brake caliper shell, a hydraulic piston is connected to one end, in the brake caliper shell, of the oil injection port, the hydraulic piston is fixedly connected with one end, far away from the friction plate, of the movable block through a connecting piece, sliding pins are connected to two sides of the hydraulic piston of the movable block, and the other ends of the sliding pins penetrate through the fixed support and are fixedly connected with elastic sleeves arranged on the fixed support and used for resetting the sliding pins.

Preferably, the top end of the oil filling port is provided with a sealing ring for improving the airtight effect of the pipeline joint, and the sealing ring is made of hydrogenated butadiene-acrylonitrile rubber.

Preferably, the end, far away from the liquid outlet, of the fixed chute where the movable column is located is provided with a limit stop, and a rubber pad is laid on one side, close to the fixed chute, of the limit stop.

Preferably, a rotating roller for uniformly coating the cooling liquid is arranged on the liquid outlet where the movable column is located, and the rotating roller is rotatably connected with the joint of the movable column.

Preferably, the brake disc main body is provided with a mounting bearing at the center thereof in a penetrating manner, and a fastening bolt for fixing the brake disc main body is further arranged on the end face of the brake disc main body where the mounting bearing is arranged.

Compared with the prior art, the beneficial effects of the utility model are that: the cooling component is arranged on the caliper on one side of the brake disc, so that when the brake disc is in work, the cooling component can be driven by the electromagnetic valve plate to move to the side wall of the brake disc and uniformly spray cooling liquid to the side wall of the brake disc, so that the brake wheel can quickly dissipate heat, the service life of the brake control device is prolonged, and the brake control device is safe and reliable;

installation bearing and fastening bolt on the brake disc are used for installing and fixing it respectively, the brake subassembly passes through hydraulic transmission, friction disc on the control movable block contacts with the brake disc and accomplishes braking work, the sealing effect when the sealing ring on the notes liquid mouth can guarantee hydraulic oil and carry, in addition carry out the during operation at the electromagnetism valve block, limit stop on the activity post is used for carrying out spacing protection to the activity post, the live-rollers is then evenly scribbled the coolant liquid on the oiling groove through rolling mode, thereby improve the cooling effect of coolant liquid, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic illustration of a control device for an AEBS automatic emergency brake of a commercial vehicle.

Fig. 2 is a schematic structural diagram of a movable block in a control device for AEBS automatic emergency braking of a commercial vehicle.

Fig. 3 is a schematic structural diagram of a fixing bracket in a control device for AEBS automatic emergency braking of a commercial vehicle.

Fig. 4 is a schematic illustration of a control device for an AEBS automatic emergency braking of a commercial vehicle at a in fig. 3.

In the figure: 1-a brake disc main body, 2-an installation bearing, 3-a fastening bolt, 4-an oil injection groove, 5-a fixed support, 6-a movable block, 7-a friction plate, 8-an oil injection port, 9-a brake caliper shell, 10-a sealing ring, 11-an elastic sleeve, 12-a sliding pin, 13-a fixed block, 14-an oil injection port, 15-a fixed sliding groove, 16-a movable column, 17-a connection sliding block I, 18-a connection sliding block II, 19-an electromagnetic valve block, 20-a liquid outlet and 21-a rotating roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a control device for automatic emergency braking of a commercial vehicle AEBS includes a brake disc main body 1, a movable block 6, a fixed block 13, a friction plate 7 and a cooling assembly for cooling the brake disc main body 1 by a cooling liquid, an oil injection groove 4 is formed on a side wall of the brake disc main body 1, a fixed bracket 5 with an injection port 14 is arranged on one side of the brake disc main body 1, the movable block 6 and the fixed block 13 are arranged on upper and lower sides of the brake disc main body 1 in the fixed bracket 5, the friction plate 7 is arranged on the end surface of the brake disc main body 1, which is close to the movable block 6 and the fixed block 13, and the other end surface of the fixed bracket 5, in which the movable block 6 is arranged, is;

the cooling assembly comprises a fixed sliding groove 15 which is arranged on one side of the fixed support 5 and corresponds to the oil injection groove 4, a movable column 16 penetrates through the fixed sliding groove 15, a liquid outlet 20 is formed in one side, close to the brake disc main body 1, of the movable block 6, the bottom end of the movable column 16 is in sliding connection with the fixed sliding groove 15 through a linking slide block II 18, the top end of the movable column 16 is connected with an electromagnetic valve block 19 which is arranged in the fixed support 5 and used for controlling the linking slide block I17 to move through a linking slide block I17, and one end, in the electromagnetic valve block 19, of the linking slide block I17 is communicated with the oil injection port 14 through a pipeline which penetrates; the brake assembly stops working, the electromagnetic valve plate 19 is started, the movable column 16 moves in the fixed sliding groove 15 by controlling the first connecting slide block 17, when the liquid outlet 20 is contacted with the oil injection groove 4 on the brake disc main body 1, cooling liquid is injected into the liquid injection port 14 and then sprayed on the oil injection groove 4 through the liquid outlet 20, and cooling is completed;

the brake assembly comprises a brake caliper shell 9 arranged at the upper end part of the fixed support 5, an oil filling port 8 is arranged at the top end of the brake caliper shell 9, one end of the brake caliper shell 9, where the oil filling port 8 is located, is connected with a hydraulic piston, the hydraulic piston is connected and fixed with one end, far away from the friction plate 7, of the movable block 6 through a connecting piece, two sides of the hydraulic piston, where the movable block 6 is located, are connected with sliding pins 12, and the other end of each sliding pin 12 penetrates through the fixed support 5 and is connected and fixed with an elastic sleeve 11, which is arranged on the fixed support 5 and used for; the brake assembly is started, hydraulic oil is injected into the oil injection port 8, the hydraulic piston bounces and pushes the movable block 6, meanwhile, the sliding pin 12 pulls the elastic sleeve 11 under the driving of the hydraulic piston, so that the friction plate 7 on the movable block 6 is in contact with the brake disc main body 1, the brake work is finished, and after the brake work is finished, the elastic sleeve 11 finishes the reset of the movable block 6 by pulling the sliding pin 12;

the top end of the oil filling port 8 is provided with a sealing ring 10 for improving the airtight effect of a pipeline joint, and the sealing ring 10 is made of hydrogenated butadiene-acrylonitrile rubber; the copolymer of butadiene and acrylonitrile in the hydrogenation of nitrile rubber is obtained by fully or partially hydrogenating the double bonds in the butadiene of NBR, and is characterized by high mechanical strength and wear resistance, and simultaneously, good performance in resisting gasoline and fatty hydrocarbon oil, and is mainly used for oil-resistant and high-temperature-resistant sealing products;

a limit stop is arranged at one end, far away from the liquid outlet 20, of the fixed chute 15 where the movable column 16 is located, and a rubber pad is laid on one side, close to the fixed chute 15, of the limit stop; the limit stopper plays a role in limiting protection, when the movable column 16 moves downwards to a vertex under the driving of the electromagnetic valve, the limit stopper contacts with the side wall of the fixed bracket 5 in one step, and absorbs impact force received by the movable column 16 through the rubber pad; a liquid outlet 20 of the movable column 16 is provided with a rotating roller 21 for uniformly coating cooling liquid, and the joint of the rotating roller 21 and the movable column 16 is rotatably connected; the liquid outlet 20 sprays cooling liquid onto the rotating roller 21, the movable column 16 is moved to enable the rotating roller 21 to be in contact with the oil filling groove 4 in the brake disc main body 1, the rotating roller 21 is in rolling friction with the oil filling groove 4, then the cooling liquid is uniformly coated on the oil filling groove 4, and the brake disc main body 1 is cooled;

an installation bearing 2 penetrates through the center of the brake disc main body 1, and a fastening bolt 3 for fixing the brake disc main body 1 is further arranged on the end face of the brake disc main body 1, which is located outside the installation bearing 2; the brake disc main body 1 is arranged on an automobile rotating shaft through a mounting bearing 2 and is fixedly connected with a wheel connecting part through a fastening bolt 3.

The utility model discloses a theory of operation is: braking component stop work, electromagnetic valve piece 19 starts, links up 17 through control and makes movable post 16 remove in fixed spout 15, and liquid outlet 20 and brake disc main part 1 go up annotate oil groove 4 and when contacting, to annotating the interior coolant liquid of annotating in liquid mouth 14, then spray on annotating oil groove 4 by liquid outlet 20 for the brake wheel can carry out quick heat dissipation, and then improves brake control device's working life, safe and reliable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a controlling means for automatic emergency braking of commercial car AEBS, includes brake disc main part (1), movable block (6), fixed block (13), friction disc (7) and carries out the cooling module who cools down to brake disc main part (1) through the coolant liquid, its characterized in that, brake disc main part (1) one side is equipped with fixed bolster (5) that have notes liquid mouth (14), both sides are equipped with movable block (6) and fixed block (13) about the brake disc main part (1) of place in fixed bolster (5), movable block (6) and fixed block (13) are pressed close to brake disc main part (1) terminal surface and are equipped with friction disc (7), and another terminal surface is connected with the brake module who is used for controlling friction disc (7) work in movable block (6) place fixed bolster (5);

cooling unit is including offering at fixed bolster (5) one side and with oiling groove (4) corresponding fixed chute (15), wear to be equipped with movable post (16) in fixed chute (15), brake disc main part (1) one side is pressed close to in movable block (6) and liquid outlet (20) have been seted up, activity post (16) bottom is through linking up slider two (18) and fixed chute (15) sliding connection, activity post (16) top is used for controlling the electromagnetic valve block (19) that link up slider (17) removal through linking up slider (17) and setting in fixed bolster (5) to be connected, just link up in slider (17) place electromagnetic valve block (19) one end through wearing to establish pipeline in fixed bolster (5) and annotate liquid mouth (14) and be linked together.

2. The control device for the AEBS automatic emergency braking of the commercial vehicle according to claim 1, wherein the brake assembly comprises a brake caliper housing (9) arranged at the upper end of a fixed support (5), an oil injection port (8) is formed in the top end of the brake caliper housing (9), a hydraulic piston is connected to one end of the brake caliper housing (9) where the oil injection port (8) is located, the hydraulic piston is fixedly connected with one end, away from the friction plate (7), of the movable block (6) through a connecting piece, sliding pins (12) are connected to two sides of the hydraulic piston where the movable block (6) is located, and the other end of each sliding pin (12) penetrates through the fixed support (5) and is fixedly connected with an elastic sleeve (11) which is arranged on the fixed support (5) and used for resetting the sliding pin (12).

3. The control device for AEBS automatic emergency braking of commercial vehicle according to claim 2, characterized in that the top end of the oil filling opening (8) is provided with a sealing ring (10) for improving the air-tight effect of the pipe joint, and the sealing ring (10) is made of hydrogenated nitrile rubber.

4. The control device for the automatic emergency braking of the AEBS of the commercial vehicle according to claim 1, wherein a limit stop is arranged at one end of the movable column (16) outside the fixed sliding groove (15) and away from the liquid outlet (20), and a rubber pad is laid at one side of the limit stop close to the fixed sliding groove (15).

5. The control device for AEBS automatic emergency braking of a commercial vehicle according to claim 1, wherein a rotating roller (21) for uniformly applying cooling liquid is arranged on the liquid outlet (20) of the movable column (16), and the rotating roller (21) is rotatably connected with the joint of the movable column (16).

6. The control device for the AEBS automatic emergency braking of the commercial vehicle according to claim 1, wherein a mounting bearing (2) penetrates through the center of the brake disc main body (1), and a fastening bolt (3) for fixing the brake disc main body (1) is further arranged on the end face of the brake disc main body (1) outside the mounting bearing (2).