Hydraulic brake based on gas-pushing-oil driving mode

By combining air-driven hydraulic operation with a buffer structure, the problem of hydraulic oil lag caused by high resistance when the hydraulic brake is applied over long distances is solved, enabling rapid braking and release, and improving the performance and safety of the hydraulic brake.

CN223821656UActive Publication Date: 2026-01-23JIAOZUO TIANJIN BRAKE CO LTD
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Patent Information

Application Number
CN202520353848.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-23
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing hydraulic brakes experience high resistance when the hydraulic pump is pressed from a distance, making it difficult for hydraulic oil to enter the hydraulic cylinder in a timely manner, resulting in sluggish braking and affecting the braking effect.

Method used

It adopts a pneumatic-hydraulic drive method, which connects to an air compressor through a pneumatic-hydraulic assembly and a foot pedal valve. The pressurized gas drives the hydraulic oil to quickly enter the hydraulic cylinder, and the buffer structure reduces the impact force of stepping, so as to achieve rapid braking and release of the brake.

Benefits of technology

This technology enables rapid braking and quick release of the hydraulic brake during long-distance operation, improving the brake's performance and safety, and extending its service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223821656U_ABST
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Abstract

The utility model discloses a hydraulic brake based on a gas-pushing-oil driving mode, which comprises a hydraulic brake and an air compressor, and further comprises a gas-pushing-oil assembly, the gas-pushing-oil assembly is arranged on one side of the hydraulic brake and comprises a gas tank and an oil can, a supporting seat is arranged on the outer wall of the gas tank and is used for fixing the gas tank, and the oil can is arranged on the supporting seat. An air chamber is formed in the air box, an oil chamber is formed in the oil can, the oil chamber is communicated with the air chamber, the pedal air valve is arranged on one side of the air-pushing-oil assembly, a fixing seat is arranged on the outer wall of the pedal air valve, and the fixing seat is used for fixing the pedal air valve. The pedal air valve is connected with the air compressor and the air box through air pipes. According to the hydraulic brake based on the gas-pushing-oil driving mode, the defect that when the distance is long, hydraulic oil of the pedal hydraulic pump slowly enters the hydraulic cylinder of the brake is overcome, and the effect of rapid braking is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic brake technical field, concretely is a kind of hydraulic brake based on air push oil driving mode. BACKGROUND

[0002] The hydraulic brake of horizontal installation is a kind of brake device, its main feature is that brake is installed in machine or equipment with horizontal position, the working principle of hydraulic brake is to generate braking force by the pressure of liquid, to realize the deceleration, stop or keep the stationary state of moving part, in industrial machinery, such as machine tool, crane, conveying belt etc., hydraulic brake is used to ensure that machinery can stop quickly and accurately when stopping or needing emergency braking, to guarantee the safety of staff and the stable operation of equipment.

[0003] The existing patent with the announcement number CN205397976U discloses a foot pedal hydraulic brake, which comprises a brake wheel and a brake acting on the brake wheel, the brake comprises a support arranged on both sides of the brake wheel, an oil cylinder is arranged on each support, a piston rod of the oil cylinder is provided with a friction plate corresponding to the brake wheel, the oil cylinder is connected with a main oil pipe through a distributor, the main oil pipe is connected with an oil injection pump tank through an oil injection pump, and the oil injection pump tank is connected with a pedal button.

[0004] The above scheme can play the effect of braking, but when the foot pedal hydraulic pump is far away from the brake, the operator's foot pedal hydraulic pump will appear large resistance, and it cannot be stepped, the hydraulic oil cannot enter the hydraulic cylinder in time, and then the brake is slow, and the brake cannot be timely, so it does not meet the existing demand, for this, we propose a kind of hydraulic brake based on air push oil driving mode. SUMMARY

[0005] The utility model aims at providing a kind of hydraulic brake based on air push oil driving mode, to solve the problem that the hydraulic brake is far away from the pedal hydraulic pump in the above background technology, and the resistance is large, so that the hydraulic oil is difficult to enter the hydraulic cylinder in time, and then the hydraulic brake is slow, and the brake effect is influenced.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic brake based on air push oil driving mode, including hydraulic brake and air compressor;

[0007] It also includes air push oil assembly, which is arranged on one side of the hydraulic brake, the air push oil assembly includes gas tank and oil can, the outer wall of the gas tank is provided with support seat, and the support seat is used to fix the gas tank, the inside of the gas tank is provided with gas chamber, the inside of the oil can is provided with oil room, and the oil room is communicated with the gas chamber;

[0008] The gas valve is provided on one side of the gas push oil assembly, and the outer wall of the gas valve is provided with a fixing seat for fixing the gas valve.

[0009] Preferably, the gas chamber is internally provided with a moving plate in sliding fit with the gas chamber, and the oil chamber is internally provided with a piston in sliding fit.

[0010] Preferably, the gas tank is internally provided with an exhaust valve on one side of the upper end of the gas tank in communication with the gas chamber.

[0011] Preferably, the fixing seat is internally provided with a transmission cavity, and the transmission cavity is internally provided with a lifting plate, and the transmission cavity is provided with guide rods on the front and back sides in sliding fit with the lifting plate.

[0012] Preferably, the guide rods are externally provided with buffer springs on the lower sides in connection with the lifting plate and the transmission cavity.

[0013] Preferably, the lifting plate is provided with connecting blocks on the front and back sides of the upper end in connection with the transmission cavity, and the fixing seat is provided with a buffer plate on one side in connection with the connecting blocks externally of the transmission cavity.

[0014] Preferably, the oil pot and the hydraulic cylinder of the hydraulic brake are connected through a hydraulic pipe.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a gas push oil assembly is arranged on one side of the hydraulic brake, and one side of the gas push oil assembly is provided with a gas valve, and the pressure gas in the air compressor can be made into the gas push oil assembly by treading the gas valve, and the hydraulic oil in the gas push oil assembly can be made into the hydraulic pipe and the hydraulic cylinder of the hydraulic brake and brakes, and the force of the pressure gas is far greater than the treading force of the operator, so that the hydraulic oil can be made into the hydraulic cylinder of the hydraulic brake rapidly, thereby overcoming the slow shortcoming of the hydraulic oil of the hydraulic pump in the hydraulic cylinder of the hydraulic brake when the distance is far, and the effect of rapid braking is achieved.

[0017] The utility model discloses a transmission cavity is set up in the inside of fixed seat, when the pressure gas is passed into air push oil assembly when treading pedal valve, the pedal end of pedal valve will contact buffer board, and the buffer spring can be extruded through the connection of connecting block and makes the lift plate move down, thereby the impact force produced when treading can be absorbed and slowed down through the deformation of buffer spring, and the treading process is more stable, avoids the pedal end to cause damage to pedal valve due to excessive force, and the service life is improved.

[0018] The utility model discloses a gas tank is provided with exhaust valve, when needing to release brake, through operating exhaust valve, can release the gas in gas chamber, with the reduction of air pressure, make the hydraulic cylinder of hydraulic brake lose the support of gas pressure, thereby rapidly releasing brake, realized the quick release brake function of hydraulic brake after using, improved the use performance and safety performance of hydraulic brake. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure front view schematic drawing of the utility model;

[0020] Figure 2 It is the inside structure front view schematic drawing of the utility model's air push oil assembly;

[0021] Figure 3 It is the inside structure side view schematic drawing of the utility model's fixed seat;

[0022] Figure 4 It is the utility model's Figure 1 It is A area local amplification diagram of the utility model.

[0023] In the drawing: 1, hydraulic brake;2, air push oil assembly;3, pedal valve;4, air compressor;5, hydraulic pipe;6, gas pipe;7, gas tank;8, oil can;9, support seat;10, fixed seat;11, exhaust valve;12, gas chamber;13, oil chamber;14, moving plate;15, push rod;16, piston;17, transmission cavity;18, guide rod;19, buffer spring;20, lift plate;21, buffer board;22, connecting block. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, 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 the person skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-4The utility model provides a technical scheme: a hydraulic brake based on air push oil drive mode, including hydraulic brake 1 and air compressor 4,

[0026] Still include air push oil assembly 2, it sets up one side at hydraulic brake 1, air push oil assembly 2 includes gas tank 7 and oil can 8, the outer wall of gas tank 7 is provided with support seat 9, and support seat 9 is used for fixing gas tank 7, the inside of gas tank 7 is opened with air chamber 12, and the inside of oil can 8 is opened with oil chamber 13, and oil chamber 13 is linked with air chamber 12,

[0027] Still include foot tread air valve 3, it sets up one side at air push oil assembly 2, the outer wall of foot tread air valve 3 is provided with fixed seat 10, and fixed seat 10 is used for fixing foot tread air valve 3, and foot tread air valve 3 is connected with air compressor 4 and gas tank 7 through gas pipe 6.

[0028] When using, start air compressor 4, and the operator treads foot tread air valve 3, and pressure gas enters the air chamber 12 in gas tank 7 through gas pipe 6, and pushes the sliding plate 14 to slide in the air chamber 12, drives the piston 16 in the oil chamber 13 to move, makes the hydraulic oil flow into the hydraulic brake 1 and brakes rapidly, this mode overcomes the problem of slow hydraulic oil flow of long-distance operation, realizes quick braking.

[0029] Please refer to Figure 2 The inside of air chamber 12 is provided with sliding plate 14, and sliding plate 14 is slidably connected with air chamber 12, and the inside of oil chamber 13 is slidably provided with piston 16, and piston 16 is connected with sliding plate 14 through push rod 15, and sliding plate 14 is slid freely in the air chamber, can directly convert the air pressure in the air chamber 12 into the thrust of piston 16, so that the hydraulic oil can enter the hydraulic brake 1 rapidly and stably,

[0030] Please refer to Figure 1 And Figure 2 One side of the upper end of gas tank 7 is provided with exhaust valve 11, and exhaust valve 11 is communicated with air chamber 12, and exhaust valve 11 allows to release the gas in the air chamber 12 rapidly when needed, so as to rapidly reduce the braking force of hydraulic brake 1, and realize quick release of braking,

[0031] Please refer to Figure 3 And Figure 4 The inside of fixed seat 10 is provided with transmission cavity 17, the inside of transmission cavity 17 is provided with lifting plate 20, and the front and back sides of transmission cavity 17 are welded with guide rod 18, and guide rod 18 penetrates lifting plate 20, and guide rod 18 is slidably connected with lifting plate 20, and the setting of guide rod 18 ensures that lifting plate 20 stably lifts in transmission cavity 17, avoids deviation or inclination when being subjected to external force,

[0032] Please refer to Figure 3 And Figure 4The lower side of the guide rod 18 is sleeved with a buffer spring 19, one end of the buffer spring 19 is connected with the lifting plate 20, and the other end of the buffer spring 19 is connected with the transmission cavity 17. When the lifting plate 20 is impacted, the buffer spring 19 can absorb part of the impact force, so as to avoid damage to the lifting plate 20 and its connecting parts;

[0033] Please refer to Figure 3 and Figure 4 The front and rear sides of the upper end of the lifting plate 20 are fixedly connected with a connecting block 22, one end of the connecting block 22 penetrates and extends to the outside of the transmission cavity 17, and the other end of the connecting block 22 is in sliding fit with the transmission cavity 17. One side above the fixed seat 10 is provided with a buffer plate 21, and the buffer plate 21 is connected with the end of the connecting block 22 outside the transmission cavity 17. The connecting block 22 drives the lifting plate 20 to move in the transmission cavity 17, so as to trigger the buffering effect of the buffer spring 19, and protect the equipment from being damaged.

[0034] Please refer to Figure 1 and Figure 2 The oil pot 8 and the hydraulic cylinder of the hydraulic brake 1 are connected through the hydraulic pipe 5, and the hydraulic pipe 5 ensures that the hydraulic oil can stably flow from the oil pot to the hydraulic brake 1.

[0035] Working principle: when in use, the external air source, i.e. the air compressor 4, is started, and when the operator steps on the stepping end of the foot-operated air valve 3, the pressure gas can be introduced into the gas chamber 12 in the gas tank 7 under the connection of the air pipe 6, the pressure gas pushes the moving plate 14 to slide in the gas chamber 12, and the moving plate 14 drives the piston 16 in the oil chamber 13 to move synchronously through the connection of the push rod 15, so that the hydraulic oil in the oil chamber 13 can quickly enter the hydraulic pipe 5, and the hydraulic oil can enter the hydraulic cylinder of the hydraulic brake 1 through the connection of the hydraulic pipe 5 to brake. Because the force of the pressure gas is much greater than the stepping force of the operator, the hydraulic oil can be quickly introduced into the hydraulic cylinder of the hydraulic brake 1, so as to overcome the slow disadvantage of the hydraulic oil of the foot-operated hydraulic pump entering the hydraulic cylinder of the hydraulic brake 1 when the distance is far, and achieve the effect of rapid braking. The gas in the gas chamber 12 can be released through the operation of the exhaust valve 11, and as the gas pressure decreases, the hydraulic cylinder of the hydraulic brake 1 loses the support of the gas pressure, so as to quickly release the brake, realize the quick release function of the hydraulic brake 1 after use, and improve the use performance and safety performance of the hydraulic brake 1. When the operator steps on the foot-operated air valve 3, if the stepping force is too large, the stepping end of the foot-operated air valve 3 will move downward to contact the buffer plate 21, the buffer plate 21 will press down the lifting plate 20 through the connecting block 22, and the movement of the lifting plate 20 will extrude the buffer spring 19. The deformation of the buffer spring 19 can start good buffering, so as to avoid damage to the foot-operated air valve 3 caused by excessive force when the operator steps on it, and improve the service life.

[0036] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application 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. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. A hydraulic brake based on a pneumatic-hydraulic drive method, comprising a hydraulic brake (1) and an air compressor (4), characterized in that: It also includes a pneumatic hydraulic assembly (2), which is located on one side of the hydraulic brake (1). The pneumatic hydraulic assembly (2) includes an air box (7) and an oil reservoir (8). The outer wall of the air box (7) is provided with a support seat (9), and the support seat (9) is used to fix the air box (7). An air chamber (12) is opened inside the air box (7), and an oil chamber (13) is opened inside the oil reservoir (8). The oil chamber (13) is connected to the air chamber (12). It also includes a foot pedal valve (3), which is located on one side of the air-hydraulic assembly (2). The foot pedal valve (3) has a fixing seat (10) on its outer wall, and the fixing seat (10) is used to fix the foot pedal valve (3). The foot pedal valve (3) is connected to the air compressor (4) and the air box (7) through an air pipe (6).

2. A hydraulic brake based on a pneumatic-hydraulic drive method according to claim 1, characterized in that: The gas chamber (12) is provided with a movable plate (14) inside, and the movable plate (14) is slidably engaged with the gas chamber (12). The oil chamber (13) is slidably installed with a piston (16), and the piston (16) is connected to the movable plate (14) by a push rod (15).

3. A hydraulic brake based on a pneumatic-hydraulic drive method according to claim 1, characterized in that: An exhaust valve (11) is installed on one side of the upper end of the air box (7), and the exhaust valve (11) is connected to the air chamber (12).

4. A hydraulic brake based on a pneumatic-hydraulic drive method according to claim 1, characterized in that: The fixed base (10) has a transmission cavity (17) inside, and a lifting plate (20) is provided inside the transmission cavity (17). Guide rods (18) are welded to the front and rear sides inside the transmission cavity (17). The guide rods (18) all pass through the lifting plate (20), and the guide rods (18) all slide with the lifting plate (20).

5. A hydraulic brake based on a pneumatic-hydraulic drive method according to claim 4, characterized in that: Each guide rod (18) has a buffer spring (19) fitted on its lower side. One end of each buffer spring (19) is connected to the lifting plate (20), and the other end of each buffer spring (19) is connected to the transmission cavity (17).

6. A hydraulic brake based on a pneumatic-hydraulic drive method according to claim 4, characterized in that: Connecting blocks (22) are bonded and fixed to the front and rear sides of the upper end of the lifting plate (20). One end of each connecting block (22) extends through and to the outside of the transmission cavity (17), and one end of each connecting block (22) slides with the transmission cavity (17). A buffer plate (21) is provided on one side above the fixed seat (10), and the buffer plate (21) is connected to the end of the connecting block (22) located outside the transmission cavity (17).

7. A hydraulic brake based on a pneumatic-hydraulic drive method according to claim 1, characterized in that: The oil reservoir (8) is connected to the hydraulic cylinder of the hydraulic brake (1) via a hydraulic pipe (5).

Citation Information

Patent Citations

  • Pedal liquid braking device

    CN205397976U