CN212828309U

CN212828309U - Anti-lock driving device

Info

Publication number: CN212828309U
Application number: CN202021685583.3U
Authority: CN
Inventors: 李哲; 张志涛
Original assignee: Tianjin Donghai Petroleum Equipment Manufacturing Co ltd
Current assignee: Tianjin Donghai Petroleum Equipment Manufacturing Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-30
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses an anti-lock drive device belongs to the automotive technology field, include the wheel and install the anti-lock drive assembly who is close to wheel one side on the automobile body, anti-lock drive assembly is including installing the fast sensor of wheel on the wheel, the output of the fast sensor of wheel passes through the input of the inside on-vehicle controller of wire electric connection automobile body, the brake block mount is installed to top one side of wheel, the one end of brake block mount is connected with the connecting rod, the inside at the cylinder body is connected to the one end of connecting rod. The utility model has the advantages of simple and reasonable design, convenience safe in utilization can keep the wheel locking state can not appear under the condition of emergency brake, can remove dust to the surface of wheel simultaneously, avoids the more performance that influences the brake block of surface dust, and at the brake in-process, and the air current of production is through the air outlet hole to the surface of wheel processing of cooling down, avoids the higher life who influences wheel and brake block of temperature.

Description

Anti-lock driving device

Technical Field

The utility model relates to the technical field of automobiles, concretely relates to anti-lock drive device.

Background

The brake performance is one of the main performances of the automobile, which is related to the driving safety, the most basic indexes for evaluating the brake performance of an automobile are brake acceleration, brake distance, brake time and direction stability during braking, an anti-lock brake device is a new technology which is applied in the late 80 s, but develops rapidly, and becomes a necessary part of many cars, according to statistics, when the automobile suddenly encounters brake, more than ninety percent of drivers often step on a brake pedal to brake suddenly, and at this time, the automobile is very easy to generate pure slippage and sideslip, namely commonly called 'tail flick', which is a phenomenon easily causing traffic accidents, and causes the sideslip of the automobile due to a plurality of reasons, such as running speed, ground condition, tire structure and the like, which cause sideslip, but the most fundamental reason is that the rolling friction between the wheels and the ground is changed into sliding friction during the sudden braking of the automobile, the grip of the tire is almost lost, at the moment, a driver cannot help even though the driver twists a steering wheel, and for the root cause of the sideslip phenomenon, automobile experts develop an anti-skid braking device such as an ABS (anti-skid brake system) for a vehicle as early as 60 years.

The existing anti-lock driving device is complex in structural design, and is inconvenient for cooling the friction surface of the wheel in the braking process, so that the service life of the wheel and the brake pad is influenced.

SUMMERY OF THE UTILITY MODEL

For this, the utility model provides an anti-lock drive device can keep the wheel locking state can not appear under the condition of emergency brake, can remove dust to the surface of wheel simultaneously, avoids the more performance that influences the brake block of surface dust, and at the brake in-process, and the air current of production is cooled down the processing through the surface of air outlet hole pair wheel, avoids the higher life who influences wheel and brake block of temperature to solve the problem that exists among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

an anti-lock drive device, includes the wheel and installs the anti-lock drive assembly who is close to wheel one side on the automobile body, anti-lock drive assembly is including installing the fast sensor of wheel on the wheel, the output of the fast sensor of wheel passes through the input of wire electric connection automobile-mounted controller in the automobile body, the brake block mount is installed to top one side of wheel, the one end of brake block mount is connected with the connecting rod, the one end of connecting rod is connected in the inside of cylinder body, the top of cylinder body is inserted and is equipped with first oiling pipe, the one end of first oiling pipe is connected the play liquid end of first hydraulic pump, the inlet end of first hydraulic pump is connected with first oil pipe of taking out, the inside of establishing at hydraulic tank is inserted to the tip of first oil pipe of taking out, the internally mounted of automobile body has brake pedal, the top of connecting rod is, the interior of the cylinder body is positioned above the lower pressing plate and is provided with an upper pressing plate, a spring is connected between the upper pressing plate and the lower pressing plate, the top of the cylinder body is positioned above the upper pressing plate and is connected with a second oil pumping pipe, the second oil pumping pipe is provided with a liquid electromagnetic valve, one end of the second oil pumping pipe is connected with a liquid inlet end of a second hydraulic pump, a liquid outlet end of the second hydraulic pump is connected with a second oil injection pipe, one end of the second oil injection pipe is inserted in the hydraulic oil tank, the interior of the vehicle body is provided with an air blower at a position close to the upper part of the connecting rod, an air outlet end of the air blower is connected with an air pipe, one end of the air pipe is connected with the interior of the connecting rod, the interior of the connecting rod is provided with an air channel, the air channel is communicated with the interior of the air pipe, a, the inside of brake block mount is located the outside of fixed disk and is the annular and evenly is provided with the exhaust vent.

Further, all be provided with the sealing washer between the edge of top board and holding down plate and the inner wall of cylinder body.

Furthermore, the two ends of the spring are welded with the bottom of the upper pressure plate and the top of the lower pressure plate.

Furthermore, sealing rings are installed at the connecting positions of the first oil injection pipe and the second oil extraction pipe and the cylinder body, and the sealing rings are all rubber components.

Furthermore, the joints of the first oil pumping pipe and the second oil pumping pipe with the hydraulic oil tank are also provided with sealing rings.

Furthermore, the brake pad fixing frame and the connecting rod are connected in a welding mode.

Furthermore, the air outlet hole is communicated with the inside of the air duct.

Further, the blower is fixedly installed inside the vehicle body by bolts.

The utility model has the advantages of as follows: the utility model relates to an anti-lock drive device is in the use, when emergency happens, when the driver steps on the brake pedal, the vehicle-mounted controller controls the first hydraulic pump to work, so that the hydraulic oil in the hydraulic oil tank is pumped out to the inside of the cylinder body to push the upper press plate, and then the compression spring pushes the lower press plate to displace, and further drives the connecting rod to realize the brake of the wheel, the vehicle-mounted controller constantly monitors the vehicle speed sensor, and searches abnormal wheel deceleration condition according to the wheel speed sensor, and before the wheel is about to be locked, controls the liquid electromagnetic valve to be opened, and controls the second hydraulic pump to operate, part of the hydraulic oil in the cylinder body is pumped out and is pumped out to the inside of the hydraulic oil tank, so that the hydraulic oil forms the circulation flow, and further the wheel can not be locked, and the air blower is convenient to blow out the air current to remove dust on the surface of the, avoid the more performance that influences the brake block of surface dust, and at the brake in-process, the air current of production is through the air outlet hole to the surface of wheel processing of cooling down, avoids the higher life who influences wheel and brake block of temperature.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the anti-lock drive assembly and the wheel according to the present invention;

FIG. 3 is a schematic structural view of a connection portion between the brake pad fixing frame and the connecting rod of the present invention;

fig. 4 is a control circuit diagram of the present invention;

in the figure: 1. a wheel; 2. a wheel speed sensor; 3. a vehicle-mounted controller; 4. a brake pad fixing frame; 5. a connecting rod; 6. a cylinder body; 7. a first filler pipe; 8. a first hydraulic pump; 9. a first oil pumping pipe; 10. a hydraulic oil tank; 11. a brake pedal; 12. an upper pressure plate; 13. a lower pressing plate; 14. a spring; 15. a second oil pumping pipe; 16. a liquid solenoid valve; 17. a second hydraulic pump; 18. a second filler pipe; 19. an air tube; 20. a blower; 21. an air duct; 22. an air outlet; 41. fixing the disc; 42. a brake pad.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-4 of the specification, an anti-lock driving device comprises a wheel 1 and an anti-lock driving assembly arranged on a vehicle body and close to one side of the wheel 1, wherein the anti-lock driving assembly comprises a wheel speed sensor 2 arranged on the wheel 1, the output end of the wheel speed sensor 2 is electrically connected with the input end of a vehicle-mounted controller 3 in the vehicle body through a lead, a brake pad fixing frame 4 is arranged on one side of the top of the wheel 1, one end of the brake pad fixing frame 4 is connected with a connecting rod 5, one end of the connecting rod 5 is connected in a cylinder body 6, a first oil injection pipe 7 is inserted at the top end of the cylinder body 6, one end of the first oil injection pipe 7 is connected with the liquid outlet end of a first hydraulic pump 8, the liquid inlet end of the first hydraulic pump 8 is connected with a first oil pumping pipe 9, and the, the inside mounting of automobile body has brake pedal 11, the internally connected with holding down plate 13 that the top of connecting rod 5 is located wheel 1, the inside that the inside of cylinder body 6 is located holding down plate 13 is provided with top board 12, be connected with spring 14 between top board 12 and the holding down plate 13, the top that the top of cylinder body 6 is located top board 12 is connected with second oil pumping pipe 15, install liquid solenoid valve 16 on the second oil pumping pipe 15, and the inlet end of second hydraulic pump 17 is connected to the one end of second oil pumping pipe 15, the liquid end of second hydraulic pump 17 is connected with second oiling pipe 18, the inside of establishing at hydraulic tank 10 is inserted to a tip of second oiling pipe 18, the inside of automobile body is close to connecting rod 5's top position department and installs air-blower 20, the air-out end of air-blower 20 is connected with trachea 19, the one end of trachea 19 is connected in the inside of connecting rod 5, the inside of connecting rod 5 is provided with wind channel 21, communicate between wind channel 21 and the inside of trachea 19, the outside position department that the inside wall of brake block mount 4 is close to wheel 1 is provided with fixed disk 41, brake block 42 is installed to the inside wall of fixed disk 41, the outside that the inside of brake block mount 4 is located fixed disk 41 is the annular and evenly is provided with exhaust vent 22.

Referring to the attached drawings 1-2 in the specification, sealing rings are arranged between the edges of the upper pressing plate 12 and the lower pressing plate 13 and the inner wall of the cylinder body 6, so that the sealing performance between the edges of the upper pressing plate 12 and the lower pressing plate 13 and the inner wall of the cylinder body 6 is improved.

Referring to the attached drawings 1-2 of the specification, the connection mode between the two ends of the spring 14 and the bottom of the upper pressing plate 12 and the top of the lower pressing plate 13 is welding, so that the connection of the spring 14 is facilitated.

Referring to the attached drawings 1-2 of the specification, sealing rings are mounted at the joints of the first oil injection pipe 7 and the second oil pumping pipe 15 and the cylinder body 6, and the sealing rings are all rubber components, so that the sealing performance of the joints of the first oil injection pipe 7 and the cylinder body 6 and the joints of the second oil pumping pipe 15 and the cylinder body 6 are improved conveniently.

Referring to the attached drawings 1-2 in the specification, the joints of the first oil extraction pipe 9 and the second oil filling pipe 18 and the hydraulic oil tank 10 are also provided with sealing rings, so that the sealing performance of the joints of the first oil extraction pipe 9 and the second oil filling pipe 18 and the hydraulic oil tank 10 is improved.

Referring to the attached drawings 1-3 of the specification, the brake pad fixing frame 4 and the connecting rod 5 are connected by welding, so that the brake pad fixing frame 4 and the connecting rod 5 can be conveniently connected and fixed.

Referring to the attached fig. 3, the air outlet 22 is communicated with the inside of the air duct 21, so that the air blown by the blower 20 can be ejected at high speed through the air outlet 22.

Referring to fig. 1-2 of the specification, the blower 20 is fixedly mounted inside the vehicle body through bolts, so that the blower 20 can be conveniently mounted and fixed.

The utility model discloses use as follows:

in the anti-lock driving device designed by the utility model, the wheel speed sensor 2 is of the same type as that in the prior art, when the vehicle is running, the output ends of the vehicle speed sensor and the wheel speed sensor 2 inside the vehicle body are both connected with the input end of the vehicle-mounted controller 3, when an emergency occurs and the driver steps on the brake pedal 11 to the end, the vehicle-mounted controller 3 controls the first hydraulic pump 8 to work, so that the hydraulic oil inside the hydraulic oil tank 10 is pumped out to the inside of the cylinder body 6 to push the upper press plate 12, and then the compression spring 14 pushes the lower press plate 13 to displace, and further drives the connecting rod 5 to realize the braking of the wheel 1 (the control mode belongs to the prior art, and is not repeated here), the vehicle speed sensor is monitored by the vehicle-mounted controller 3 at any moment, the abnormal deceleration condition of the wheel 1 is searched according to the wheel speed sensor 2, and before, control liquid solenoid valve 16 opens, and control second hydraulic pump 17 operation, take the inside partial hydraulic oil of cylinder body 6 out and to the inside of hydraulic tank 10 side by side, make hydraulic oil form the circulation flow, and then make wheel 1 can not appear the lock state, the air-blower 20 that sets up simultaneously conveniently drums out the air current and removes dust to the surface of wheel 1 in the vehicle operation process, avoid the more performance that influences brake block 42 of surface dust, and in the braking process, the air current of production is cooled down the processing through exhaust vent 22 to the surface of wheel 1, avoid the higher life who influences wheel 1 and brake block 42 of temperature.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. An anti-lock drive device, includes wheel (1) and installs on the automobile body and is close to the anti-lock drive subassembly of wheel (1) one side, its characterized in that: the anti-lock drive assembly comprises a wheel speed sensor (2) installed on a wheel (1), the output end of the wheel speed sensor (2) is electrically connected with the input end of an on-board controller (3) inside a vehicle body through a wire, a brake block fixing frame (4) is installed on one side of the top of the wheel (1), one end of the brake block fixing frame (4) is connected with a connecting rod (5), one end of the connecting rod (5) is connected inside a cylinder body (6), a first oil filling pipe (7) is inserted at the top end of the cylinder body (6), one end of the first oil filling pipe (7) is connected with the liquid outlet end of a first hydraulic pump (8), the liquid inlet end of the first hydraulic pump (8) is connected with a first oil pumping pipe (9), the end of the first oil pumping pipe (9) is inserted inside a hydraulic oil tank (10), and a brake pedal (11) is installed inside the vehicle, the top end of the connecting rod (5) is located inside the wheel (1) and is connected with a lower pressing plate (13), an upper pressing plate (12) is arranged above the lower pressing plate (13) inside the cylinder body (6), a spring (14) is connected between the upper pressing plate (12) and the lower pressing plate (13), a second oil pumping pipe (15) is connected above the upper pressing plate (12) on the top of the cylinder body (6), a liquid electromagnetic valve (16) is installed on the second oil pumping pipe (15), one end of the second oil pumping pipe (15) is connected with a liquid inlet end of a second hydraulic pump (17), a liquid outlet end of the second hydraulic pump (17) is connected with a second oil filling pipe (18), one end of the second oil filling pipe (18) is inserted inside the hydraulic oil tank (10), an air blower (20) is installed at a position, close to the top of the connecting rod (5), of the inside of the vehicle body, and an air outlet end of the air blower (20) is connected with an air, the inside at connecting rod (5) is connected to the one end of trachea (19), the inside of connecting rod (5) is provided with wind channel (21), communicate between the inside of wind channel (21) and trachea (19), the outside position department that the inside wall of brake block mount (4) is close to wheel (1) is provided with fixed disk (41), brake block (42) are installed to the inside wall of fixed disk (41), the outside that the inside of brake block mount (4) is located fixed disk (41) is the annular and evenly is provided with exhaust vent (22).

2. An anti-lock drive unit according to claim 1, wherein: and sealing rings are arranged between the edges of the upper pressure plate (12) and the lower pressure plate (13) and the inner wall of the cylinder body (6).

3. An anti-lock drive unit according to claim 1, wherein: the two ends of the spring (14) are welded with the bottom of the upper pressure plate (12) and the top of the lower pressure plate (13).

4. An anti-lock drive unit according to claim 1, wherein: and sealing rings are arranged at the joints of the first oil injection pipe (7), the second oil extraction pipe (15) and the cylinder body (6), and are rubber components.

5. An anti-lock drive unit according to claim 1, wherein: and sealing rings are arranged at the joints of the first oil pumping pipe (9), the second oil filling pipe (18) and the hydraulic oil tank (10).

6. An anti-lock drive unit according to claim 1, wherein: the brake block fixing frame (4) and the connecting rod (5) are connected in a welding mode.

7. An anti-lock drive unit according to claim 1, wherein: the air outlet hole (22) is communicated with the inside of the air duct (21).

8. An anti-lock drive unit according to claim 1, wherein: the blower (20) is fixedly installed inside the vehicle body through bolts.