TWM560419U - Anti-failure linkage braking system - Google Patents

Abstract

The present invention relates to a linked brake system with anti-failure function, which comprises a diverter valve, a front brake assembly and a rear brake assembly. The diverter valve comprises a casing, a piston and a reset member, and the piston system is axially movable. The utility model is disposed in the casing, and divides the piston chamber inside the casing into a first chamber and a second chamber, the front brake assembly is connected to the first chamber, and the rear brake assembly is connected to the second chamber, and the interlocking function is prevented. The brake system is used to set up on the locomotive, and enables the driver to brake the front brake assembly and the rear brake assembly while driving, so as to increase the stability of the locomotive when the vehicle is decelerating, and the piston energy in the diverter valve can be separated. The front brake assembly and the rear brake assembly can effectively prevent the front brake assembly and the rear brake assembly from failing at the same time, thereby improving safety.

Description

Linked brake system with anti-failure function

This creation is a linked brake system with anti-failure function, especially for the brake system installed on the locomotive.

In daily life, due to the good maneuverability and light weight of the locomotive, the locomotive has become the means of transportation for most people today. Among them, the brake system of today's locomotives is mostly independent of the front and rear wheels, and the driver can press The brake handle on the right side of the locomotive faucet is used for front wheel brakes; the rear brake is applied by pressing the brake handle on the left side of the locomotive faucet. However, when the driver is in an emergency, the driver will habitually press only the handlebar on the left side of the locomotive faucet. The independent braking system of the rear wheels will lock the rear wheel brakes, causing the locomotive to travel unsteadily and fall, which may cause traffic accidents and other problems.

In order to avoid the above problems, some locomotives will adopt a Combination Braking System (CBS), in which the linkage braking system mainly connects the brake oil passages of the front and rear wheels, and is equipped with a delay valve to drive When the person presses the handlebar on the left side of the locomotive faucet, the hydraulic pressure in the brake oil passage can be distributed by the delay valve to actuate the front wheel brake and the rear wheel brake.

The aforementioned linkage braking system can effectively improve the stability of the locomotive brake when decelerating, and at the same time shorten the braking distance. However, if the brake cylinder of any of the linkage braking systems is damaged and oil leakage occurs, the front wheel of the locomotive will be caused. The brakes and the brakes of the rear wheels are ineffective, so that the locomotives may have a safety hazard when they are exercising on the road.

The main purpose of this creation is to provide a linked brake system with anti-failure function, in order to improve the brakes of the front wheel and the brakes of the rear wheels at the same time when the brake circuit of the current brake system is broken.

In order to achieve the foregoing, the interlocking brake system with the fail-safe function of the present invention comprises: a diverter valve comprising a casing, a piston and a resetting member, the casing internally forming a piston chamber and including respectively connected to the a first pressurized flow passage, a second pressurized flow passage and a working flow passage, wherein the first pressurized flow passage is axially opposite to the second pressurized flow passage, and the piston is axially rotatable Disposed to the piston chamber of the housing and partitioning the piston chamber of the housing into a first chamber and a second chamber, the first pressurized flow channel and the active flow channel are respectively connected to the first chamber The second pressurized flow channel communicates with the second chamber, the resetting member is disposed in the housing and located in the first chamber, and the opposite ends of the resetting member respectively abut The inner side of the housing and the piston, the axial movement of the piston in the piston chamber can switch the state in which the first pressurized flow passage is in communication or not communicating with the first chamber; a front brake assembly including a front Brake handle, at least one front brake, one first front brake oil pipe, one second a brake oil pipe and a first fluid, the first front brake oil pipe is connected to the front brake handle and communicates with the first pressure flow passage of the flow dividing valve, the second front brake oil pipe is connected to the front brake, and communicates with the a flow passage of the diverter valve, the first flow system being filled in the first front brake oil pipe, the second front brake oil pipe, the first pressurized flow passage, the first chamber and the active flow passage; and one after a brake assembly including a rear brake handle, a rear brake, a rear brake oil passage, and a second fluid, the rear brake oil passage connecting the rear brake handle and the rear brake, and connecting the second addition of the diverter valve a second flow system is filled in the rear brake oil passage, the second pressurized flow passage, and the second chamber.

The interlocking braking system with the fail-safe function is provided in the locomotive, the front brake assembly is provided at the front wheel of the locomotive, and the rear brake assembly is disposed at the rear wheel of the locomotive. At the same time, the driver can brake the handlebar after pressing the rear brake assembly, so that the front brake and the rear brake can be simultaneously operated to improve the stability of the locomotive brake and reduce the braking distance.

In addition, since the piston in the diverter valve can separate the first fluid and the second fluid, and the front brake assembly and the rear brake assembly are independent, respectively, when the anti-failure function is connected to the brake system When a pipeline ruptures causes the internal first fluid or the second fluid to leak, the front brake assembly and the rear brake assembly do not simultaneously fail, so the driver can still operate the front brake assembly and the rear brake assembly. The unbroken components are braked, which can effectively avoid the failure of the brake system of the locomotive, thereby improving safety.

Please refer to FIG. 1 , which illustrates a first preferred embodiment of a linked brake system with a fail-safe function, including a diverter valve 10 , a front brake assembly 20 and a rear brake assembly 30 .

As shown in FIG. 1 and FIG. 2, the diverter valve 10 includes a housing 11, a piston 12 and a resetting member 13. The housing 11 defines a piston chamber 14 therein and includes a first one of the piston chambers 14 a pressurized flow passage 15, a second pressurized flow passage 16 and a working flow passage 17, the first pressurized flow passage 15 and the second pressurized flow passage 16 are axially opposed to each other, and the piston 12 is The piston chamber 14 of the housing 11 is axially movably disposed and the piston chamber 14 of the housing 11 is partitioned into a first chamber 141 and a second chamber 142. The first pressurized flow passage 15 is The flow channel 17 is connected to the first chamber 141, and the second pressure channel 16 is connected to the second chamber 142. The reset member 13 is disposed in the housing 11 and located at the first In the chamber 141, the opposite ends of the restoring member 13 respectively abut against the inner side surface of the housing 11 and the piston 12, and the axial movement of the piston 12 in the piston chamber 14 can switch the first pressurized flow. A state in which the passage 15 is in communication or not with the first chamber 141, wherein the reset member 13 is a spring.

As shown in FIG. 1 and FIG. 2, the front brake assembly 20 includes a front brake handle 21, at least one front brake 22, a first front brake oil pipe 23, a second front brake oil pipe 24, and a first fluid. A front brake oil pipe 23 is connected to the front brake handle 21 and communicates with the first pressure flow passage 15 of the diverter valve 10, and the second front brake oil pipe 24 is connected to the front brake 22 and communicates with the diverter valve 10 a flow channel 17 that is filled in the first front brake oil pipe 23, the second front brake oil pipe 24, the first pressure flow passage 15, the first chamber 141, and the active flow passage 17, Wherein, the first fluid is brake oil.

As shown in FIG. 1 and FIG. 2, the rear brake assembly 30 includes a rear brake handle 31, a rear brake 32, a rear brake oil passage 33, and a second fluid. The rear brake oil passage 33 is coupled to the rear brake handle. 31 and the rear brake 32, and connected to the second pressurized flow passage 16 of the diverter valve 10, the second flow system is filled in the rear brake oil passage 33, the second pressurized flow passage 16 and the second chamber 142, wherein the second fluid is brake oil.

The interlocking braking system with the fail-safe function is provided in the locomotive. The front brake assembly 20 has a front brake 22 disposed at the front wheel of the locomotive, and the rear brake assembly 30 is followed by a brake 32. Said at the rear of the locomotive.

When the interlocking brake system with the fail-safe function is disposed on the locomotive having the two front wheels, the front brake assembly 20 of the interlocking brake system 20 having the fail-safe function may include two front brakes 22, and the front brake assembly 20 The second front brake oil pipe 24 is connected in parallel to the two front brakes 22.

As shown in FIG. 2 and FIG. 3, in the second preferred embodiment of the present invention, the rear brake assembly 30 can further include a foot brake pump 34. The rear brake oil passage 33 includes a first rear a brake oil pipe 331 and a second rear brake oil pipe 332, the rear brake oil pipe 331 is connected to the rear brake handle 31 and the foot brake pump 34, the second rear brake oil pipe 332 is connected to the foot brake pump 34 and the a rear brake 32 and a second pressurizing flow path 16 of the diverter valve 10; further, the foot brake pump 34 has a pressurized space (not shown) and a pedal pressurizing mechanism 341, the first The rear brake oil pipe 331 and the second rear brake oil pipe 332 are connected to the pressurizing space, and the pedal pressurizing mechanism 341 can selectively compress the pressurizing space.

As shown in FIG. 2, the first pressurized flow passage 15 of the diverter valve 10 and the first chamber 141 are in a normal state, as shown in FIG. 2 and FIG. 4, when the driver presses the front brake. In the case of the handle 21, the front brake handle 21 pressurizes the first fluid of the front brake assembly 20, and after the first fluid passes through the first chamber 141 of the diverter valve 10, the front brake 22 is actuated.

As shown in FIG. 2 and FIG. 5, when the driver presses the rear brake handle 31 or steps on the foot brake pump 34, the rear brake handle 31 or the foot brake pump 34 will fix the rear brake assembly. The second fluid of 30 is pressurized, and after the second fluid is pressurized by the rear brake handle 31 or the foot brake pump 34, the rear brake 32 is actuated while shunting into the interior of the diverter valve 10. The second chamber 142 pushes the piston 12 in the diverter valve 10, thereby causing the piston 12 to push the first fluid in the first chamber 141 to drive the front brake 22 to actuate, thereby reaching the front brake 22 And the effect of the rear brake 32 operating.

Wherein, as shown in FIG. 2 and FIG. 5, when the piston 12 of the diverter valve 10 moves, the piston 12 cuts off the communication state between the first pressurizing flow passage 15 and the first chamber 141. In order to prevent the first fluid from being pushed back by the piston 12, when the driver releases the rear brake handle 31 or the foot brake pump 34, the reset member 13 will rotate the piston 12. The resetting and returning of the first pressurized flow path 15 and the first chamber 141 are in a communication state.

Wherein, since the piston 12 in the diverter valve 10 can separate the first fluid and the second fluid, and the front brake assembly 20 and the rear brake assembly 30 are independent, respectively, as shown in FIG. When the rear brake assembly 30 has a broken pipeline to cause leakage of the second fluid, the front brake assembly 20 can still be independently operated without being affected by the second fluid leakage of the rear brake assembly 30; similarly, As shown in FIG. 7, when the front brake assembly 20 has a broken pipeline to cause leakage of the first fluid, the rear brake assembly 30 can also be independently operated without being subjected to the first fluid of the front brake assembly 20. The effect of leakage can effectively avoid the failure of the brake system of the locomotive, thereby improving safety.

In summary, the interlocking braking system with the anti-failure function can provide the driver with the braking action of the front brake 22 and the rear brake 32 at the same time, so as to increase the stability of the locomotive braking when decelerating, and The piston 12 in the diverter valve 10 can separate the first fluid from the second fluid and separate the front brake assembly 20 from the rear brake assembly 30, thereby effectively avoiding the front brake assembly 20 and the rear The brake assembly 30 is simultaneously disabled, thereby improving safety.

10‧‧‧Diverter valve
11‧‧‧Shell
12‧‧‧Piston
13‧‧‧Reset parts
14‧‧‧Piston room
141‧‧‧First room
142‧‧‧Second room
15‧‧‧First pressurized runner
16‧‧‧Second pressurized runner
17‧‧‧Action channel
20‧‧‧ Front brake assembly
21‧‧‧ Front brake handle
22‧‧‧ Front brake
23‧‧‧First front brake hose
24‧‧‧Second front brake pipe
30‧‧‧ Rear brake assembly
31‧‧‧ Rear brake handle
32‧‧‧ Rear brake
33‧‧‧After brake oil circuit
34‧‧‧foot brake pump
341‧‧‧ pedal pressurizing mechanism
331‧‧‧First rear brake hose
332‧‧‧Second rear brake hose

FIG. 1 is a schematic view showing a first preferred embodiment of a linked brake system with a fail-safe function. Figure 2: Schematic diagram of the diverter valve of the linked brake system with anti-failure function. FIG. 3 is a schematic view showing a second preferred embodiment of the linked brake system with the fail-safe function. FIG. 4 is a schematic view showing the operation of the brake assembly before the second preferred embodiment of the linked brake system with the fail-safe function. FIG. 5 is a schematic view showing the operation of the brake assembly after the second preferred embodiment of the linked brake system with the fail-safe function. Figure 6: Schematic diagram of the failure of the brake assembly before the interlocking brake system with the anti-failure function. Figure 7: Schematic diagram of the failure of the brake assembly after the interlocking brake system with the anti-failure function.

Claims (5)

A interlocking brake system with a fail-safe function, comprising: a diverter valve comprising a casing, a piston and a resetting member, the casing internally forming a piston chamber and including a first one of the piston chambers respectively a pressurized flow channel, a second pressurized flow channel, and a working flow channel, the first pressurized flow channel is axially opposite to the second pressurized flow channel, and the piston system is axially movable a piston chamber of the housing and partitioning the piston chamber of the housing into a first chamber and a second chamber, wherein the first pressurized flow channel and the active flow channel are respectively connected to the first chamber, the second The pressure flow channel is connected to the second chamber, the resetting member is disposed in the housing and located in the first chamber, and the opposite ends of the resetting member respectively abut the inner side of the housing and the a piston, the axial movement of the piston in the piston chamber can switch the state in which the first pressurized flow passage is in communication or not communicating with the first chamber; a front brake assembly including a front brake handle, at least one front a brake, a first front brake oil pipe, a second front brake oil pipe, and a a fluid, the first front brake oil pipe is connected to the front brake handle and communicates with the first pressure flow passage of the flow dividing valve, the second front brake oil pipe is connected to the front brake and communicates with the flow of the flow regulating valve a first flow system filled in the first front brake oil pipe, the second front brake oil pipe, the first pressure flow passage, the first chamber, and the active flow passage; and a rear brake assembly including a rear brake handle, a rear brake, a rear brake oil passage, and a second fluid, the rear brake oil passage connecting the rear brake handle and the rear brake, and connecting the second pressurized flow passage of the diverter valve, The second flow system is filled in the rear brake oil passage, the second pressurized flow passage, and the second chamber. The interlocking brake system with the fail-safe function according to claim 1, wherein the rear brake assembly includes a foot brake pump, the rear brake oil passage includes a first rear brake oil pipe and a second rear brake oil pipe, the first A rear brake oil pipe is connected to the rear brake handle and the foot brake pump, and the second rear brake oil pipe is connected to the foot brake pump and the rear brake and communicates with the second pressure flow passage of the flow dividing valve. The interlocking brake system with the fail-safe function according to claim 2, wherein the foot brake pump has a pressurized space and a pedal pressurizing mechanism, the first rear brake oil pipe and the second rear brake oil pipe Connected to the pressurized space, the pedal pressurizing mechanism can selectively compress the pressurized space. A linked brake system with a fail-safe function according to any one of claims 1 to 3, wherein the first fluid and the second fluid are brake oil. A linked brake system having an anti-failure function according to any one of claims 1 to 3, wherein the reset member is a spring.