Outer circulation cooling device for wet brake of motor vehicle

Abstract

The utility model discloses an external circulation cooling device for a wet brake of a motor vehicle, and belongs to the technical field of wet brakes. Comprising a brake oil tank, an oil pump installed on the outer side of the brake oil tank through a support and an oil inlet pipe connected between the output end of the oil pump and the brake oil tank in a communicating mode, a cooling tank is fixedly connected to the front face of the brake oil tank, and a heat dissipation window is formed in the surface, away from the brake oil tank, of the cooling tank. A dustproof net is installed on the inner side of the heat dissipation window, the draught fan works, air is supplied to the inner side of the connecting pipe through a corrugated hose, and finally dust attached to the dustproof net is blown through a blowing air nozzle, so that the ventilation effect of the dustproof net is guaranteed, and then it is guaranteed that the finned tube can cool oil liquid; and the problem of poor heat dissipation of the cooling fins caused by abrasion in the patent announcement number CN213064428U is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wet brake technical field more specifically, relate to the motor vehicle wet brake outer circulation cooling device. BACKGROUND

[0002] Wet brake is a common mechanical device, is used to provide reliable braking performance in the field of vehicle, mechanical equipment and industrial machinery. Compared with dry brake, wet brake uses lubricating oil or hydraulic oil to reduce friction and wear, so as to realize more efficient and stable braking operation, and the existing wet brake is mostly externally equipped with a cooling device to cool the brake oil.

[0003] Patent publication number CN213064428U discloses an outer cooling device for wet brake, comprising a brake oil tank, the brake oil tank is fixedly arranged with a mounting plate at the front bottom, a plurality of heat dissipation fins are uniformly arranged on the front of the mounting plate from left to right, and a dust removal assembly is arranged between any two adjacent heat dissipation fins; the dust removal assembly comprises a screw rod, a nut is threadedly connected to the outer side of the screw rod, and a driven concave wheel is fixedly arranged at the top end of the screw rod, rubber scrapers are fixedly arranged on both sides of the nut, and the end of the rubber scraper is attached to the side wall of the heat dissipation fin. In the process of cooling the brake oil, the situation that the heat dissipation fins cannot be effectively cooled due to dust adhesion can be effectively avoided, and the overall heat dissipation effect of the device is ensured.

[0004] However, in patent publication number CN213064428U, the driven concave wheel in the dust removal assembly is driven to rotate by the energy-saving driving assembly, and then the driven concave wheel drives the rubber scrapers on both sides of the nut to move up and down through the screw rod, completing the scraping of the side wall of the heat dissipation fin. Due to long-term friction, the rubber scrapers are severely worn, which makes them unable to completely attach to the heat dissipation fins, affecting the dust cleaning effect and the heat dissipation effect of the heat dissipation fins. There is still room for improvement, so we propose a motor vehicle wet brake outer circulation cooling device to solve the above problems. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a motor vehicle wet brake outer circulation cooling device. Through the work of the fan, the corrugated hose is used to send air to the inside of the connecting pipe, and finally the dust adhering to the dust screen is blown away through the blowing air nozzle, so as to ensure the ventilation effect of the dust screen, and then ensure that the finned tube can cool the oil. The problem of poor heat dissipation of the heat dissipation fins caused by wear in patent publication number CN213064428U is solved.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] The motor vehicle wet brake outer circulation cooling device, including the brake oil tank, the oil pump is installed on the outside of the brake oil tank through the support and the oil inlet pipe is connected between the output end of the oil pump and the brake oil tank, the front surface of the brake oil tank is fixedly connected with the cooling box, the surface of the cooling box away from the brake oil tank is provided with a heat dissipation window, and the inner side of the heat dissipation window is provided with a dust screen.

[0010] The inner side of the cooling box is provided with a finned tube in communication with the brake oil tank, and the finned tube is arranged in a continuous S-shaped structure.

[0011] The inner cavity bottom wall of the cooling box is provided with a servo motor, the power output end of the servo motor is drivingly connected with a lead screw rotatably connected with the inner wall of the cooling box, one side of the lead screw is provided with a guide column fixedly connected with the inner wall of the cooling box, the lead screw is screwed with a connecting seat, the guide column is slidably connected with a guide seat, a connecting pipe is mounted between the guide seat and the connecting seat, a blowing nozzle corresponding to the dust screen is mounted on the outer wall of the connecting pipe, a fan is mounted on one side of the servo motor, and a corrugated hose is in communication between the output end of the fan and the connecting pipe.

[0012] Further, a fan group is mounted on the inner cavity top wall of the cooling box, and the air outlet end of the fan group corresponds to the finned tube.

[0013] Further, the input end of the oil pump is connected with one end of the finned tube through a pipeline.

[0014] Further, both ends of the lead screw are arranged in a smooth surface structure.

[0015] The end of the lead screw away from the servo motor is connected with the inner wall of the cooling box through a bearing, and the other end of the lead screw is connected with the power output end of the servo motor through a shaft coupling.

[0016] Further, both ends of the connecting pipe are arranged in a closed structure.

[0017] Further, a plurality of blowing nozzles are equidistantly arranged at the axial position of the connecting pipe.

[0018] Further, a circulation pipe is in communication between the other end of the finned tube and the brake oil tank.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] (1) The scheme, the control device is used for setting a set of appropriate forward and reverse rotation program for the servo motor to drive the lead screw to make forward and reverse rotation, the guide post is matched with the guide seat to slide, and the connecting seat is matched with the lead screw to rotate in, so as to drive the connecting pipe to move up and down, and at the same time, the fan works, the corrugated hose is used for air supply to the inside of the connecting pipe, and finally the blowing nozzle is used for blowing the dust adhered to the dust screen, so as to ensure the ventilation effect of the dust screen, and further ensure that the finned tube can cool the oil, and the problem of poor heat dissipation of the heat dissipation fin caused by wear in the patent No. CN213064428U is solved.

[0022] (2) The scheme, through the work of the fan group, the air flow speed near the finned tube can be effectively accelerated, and the heat dissipation effect of the finned tube on the oil can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a cooling box external structure schematic view of the utility model;

[0025] Figure 3 It is a cooling box side view schematic view of the utility model;

[0026] Figure 4 It is a cooling box A-A part sectional view schematic view of the utility model.

[0027] Mark explanation in the drawing:

[0028] 1, brake oil tank;2, oil pump;3, oil inlet pipe;4, cooling box;5, dust screen;6, finned tube;7, servo motor;8, lead screw;9, guide post;10, connecting seat;11, guide seat;12, connecting pipe;13, blowing nozzle;14, fan;15, corrugated hose;16, fan group;17, circulating pipe. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Embodiment:

[0031] Please refer to Figures 1-4The external circulation cooling device of the motor vehicle wet brake comprises a brake oil tank 1, an oil pump 2 installed on the outer side of the brake oil tank 1 through a support, and an oil inlet pipe 3 connected between the output end of the oil pump 2 and the brake oil tank 1, a cooling tank 4 is fixedly connected to the front surface of the brake oil tank 1, and a dust screen 5 is installed on the inner side of the heat dissipation window of the cooling tank 4;

[0032] A finned pipe 6 in communication with the brake oil tank 1 is installed on the inner side of the cooling tank 4 and is arranged in a continuous S-shaped structure;

[0033] A servo motor 7 is installed on the bottom wall of the inner cavity of the cooling tank 4, a lead screw 8 in rotation connection with the inner wall of the cooling tank 4 is drivingly connected to the power output end of the servo motor 7, a guide column 9 fixedly connected to the inner wall of the cooling tank 4 is arranged on one side of the lead screw 8, a connecting seat 10 is screwed on the lead screw 8, a guide seat 11 is slidingly connected to the guide column 9, a connecting pipe 12 is installed between the connecting seat 10 and the guide seat 11, a blowing air nozzle 13 corresponding to the dust screen 5 is installed on the outer wall of the connecting pipe 12, a fan 14 is installed on one side of the servo motor 7, and a corrugated hose 15 is in communication between the output end of the fan 14 and the connecting pipe 12.

[0034] It should be noted that, in use, during the operation of the motor vehicle wet brake, the oil pump 2 works to pump the oil in the brake oil tank 1 into the finned pipe 6 on the inner side of the cooling tank 4, heat exchange is performed by the heat dissipation fins arranged on the outer wall of the finned pipe 6 to cool the oil, then the oil is sent into the brake oil tank 1 through the oil inlet pipe 3 and circulates in this way, the servo motor 7 is externally connected to a control device, and the control device sets a suitable forward and reverse rotation program for the servo motor 7 to drive the lead screw 8 to make forward and reverse rotation, the guide column 9 cooperates with the guide seat 11 to slide, and the connecting seat 10 cooperates with the lead screw 8 to rotate in, thereby driving the connecting pipe 12 to move up and down, at the same time, the fan 14 works to send air into the inner side of the connecting pipe 12 through the corrugated hose 15, and finally the dust adhering to the dust screen 5 is blown away through the blowing air nozzle 13 to ensure the ventilation effect of the dust screen 5, thereby ensuring that the finned pipe 6 can cool the oil, and solving the problem of poor heat dissipation of the heat dissipation fins due to wear in the patent with the publication number CN213064428U.

[0035] As shown in Figure 4 A fan group 16 is installed on the top wall of the inner cavity of the cooling tank 4, and the air outlet end of the fan group 16 corresponds to the finned pipe 6.

[0036] It should be noted that, through the work of the fan group 16, the air flow speed near the finned pipe 6 can be effectively accelerated, and the oil heat dissipation effect of the finned pipe 6 can be effectively improved.

[0037] AsFigure 1 、 Figure 4 As shown in the figure, the input end of the oil pump 2 is connected with one end of the finned tube 6 through a pipeline, and the other end of the finned tube 6 is connected with the brake oil tank 1 through a circulation pipe 17;

[0038] It should be noted that when the oil pump 2 works, the oil in the brake oil tank 1 is pumped into the finned tube 6 through the circulation pipe 17, and then is delivered into the brake oil tank 1 through the oil inlet pipe 3 after being cooled to circulate.

[0039] As shown in the figure, the two ends of the lead screw 8 are both provided in a smooth structure; Figure 4

[0040] The other end of the lead screw 8 is connected with the power output end of the servo motor 7 through a shaft coupling.

[0041] It should be noted that the resistance of the lead screw 8 in the rotating process is reduced, and at the same time, the power of the servo motor 7 can be delivered to the lead screw 8.

[0042] As shown in the figure, the two ends of the connecting pipe 12 are both provided in a closed structure, and a plurality of purge gas nozzles 13 are equidistantly arranged at the axial position of the connecting pipe 12; Figure 4

[0043] It should be noted that by installing a plurality of purge gas nozzles 13 on the connecting pipe 12, the cleaning effect on the dust screen 5 can be effectively improved.

[0044] In use: during the working process of the motor vehicle wet brake, the oil pump 2 works to pump the oil in the brake oil tank 1 into the finned tube 6 inside the cooling box 4, and the heat exchange is performed through the fins arranged on the outer wall of the finned tube 6 to cool the oil, and then the oil is delivered into the brake oil tank 1 through the oil inlet pipe 3 and circulates, the servo motor 7 is externally connected with a control device, and the control device sets a suitable forward and reverse rotation program for the servo motor 7 to drive the lead screw 8 to make forward and reverse rotation, the guide column 9 cooperates with the guide seat 11 to slide, and the connecting seat 10 cooperates with the lead screw 8 to rotate in, so as to drive the connecting pipe 12 to move up and down, and at the same time, the fan 14 works to send air to the inside of the connecting pipe 12 through the corrugated hose 15, and finally the dust adhered to the dust screen 5 is blown off through the purge gas nozzles 13.

[0045] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.​​

Claims

1. A wet brake external circulation cooling device for a motor vehicle, comprising a brake oil tank (1), an oil pump (2) mounted on the outside of the brake oil tank (1) through a support, and an oil inlet pipe (3) connected between the output end of the oil pump (2) and the brake oil tank (1), characterized in that: The front surface of the brake oil tank (1) is fixedly connected with a cooling box (4), the cooling box (4) is provided with a heat dissipation window away from the surface of the brake oil tank (1), and the inner side of the heat dissipation window is provided with a dust screen (5); The inner side of the cooling box (4) is provided with a finned tube (6) in conductive connection with the brake oil tank (1), and the finned tube (6) is arranged in a continuous S-shaped structure; The inner cavity bottom wall of the cooling box (4) is provided with a servo motor (7), the power output end of the servo motor (7) is transmissionally connected with a lead screw (8) rotationally connected with the inner wall of the cooling box (4), one side of the lead screw (8) is provided with a guide column (9) fixedly connected with the inner wall of the cooling box (4), the lead screw (8) is screwed with a connecting seat (10), the guide column (9) is slidably connected with a guide seat (11), a connecting pipe (12) is arranged between the guide seat (11) and the connecting seat (10), the outer wall of the connecting pipe (12) is provided with a blowing air nozzle (13) corresponding to the dust screen (5), one side of the servo motor (7) is provided with a fan (14), and a corrugated hose (15) is in conductive connection between the output end of the fan (14) and the connecting pipe (12).

2. The motor vehicle wet brake external cooling arrangement of claim 1, wherein: The inner cavity top wall of the cooling box (4) is provided with a fan group (16), and the air outlet end of the fan group (16) corresponds to the finned tube (6).

3. The motor vehicle wet brake external cooling arrangement of claim 1, wherein: The input end of the oil pump (2) is connected with one end of the finned tube (6) through a pipeline.

4. The motor vehicle wet brake external cooling arrangement of claim 1, wherein: Both ends of the lead screw (8) are arranged in a smooth surface structure; One end of the lead screw (8) away from the servo motor (7) is connected with the inner wall of the cooling box (4) through a bearing, and the other end of the lead screw (8) is connected with the power output end of the servo motor (7) through a shaft coupling.

5. The motor vehicle wet brake external cooling arrangement of claim 1, wherein: Both ends of the connecting pipe (12) are arranged in a closed structure.

6. The motor vehicle wet brake external cooling arrangement of claim 1, wherein: The blowing air nozzle (13) is provided with a plurality of air nozzles equidistantly arranged in the axial position of the connecting pipe (12).

7. The motor vehicle wet brake external cooling arrangement of claim 1, wherein: The other end of the finned tube (6) is in conductive connection with the brake oil tank (1) through a circulating pipe (17).

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