An integrated cable control box with three input ports and two output ports

Abstract

The utility model discloses an integrated cable control box with three input ports and two output ports, comprising three parking relief control cables and two parking relief execution cables, a pulley transmission mechanism is arranged between the parking relief control cables and the parking relief execution cables to realize linkage of the two; when operating any one or more than one parking relief control cable, the pulley transmission mechanism can simultaneously transfer force and displacement to the other two parking relief execution cables; a hand cable structure is arranged on both sides of the vehicle body outside the vehicle, and a manipulator is arranged in the carriage, so that the parking relief control cable can be independently operated outside or inside the carriage, and the "three-to-two" linkage design of the pulley transmission mechanism is matched, one cable can control two parking relief execution cables, and operation efficiency is significantly improved.

Description

Technical Field

[0001] This utility model relates to the field of cable control technology, specifically to an integrated cable control box with three input ports and two output ports. Background Technology

[0002] Modern rail transit vehicles mostly employ air braking systems and are equipped with parking brake units, whose main function is to apply braking when the vehicle is stationary to prevent it from moving. There are generally two ways to release the parking brake: one is by using a network-controlled solenoid valve to inject air at a pressure generally greater than 500 kPa into the release chamber of the parking cylinder; in this process, the air pressure and control system play a crucial role. The second method is through a mechanical release device in the parking unit, commonly a parking release cable fixed to the bogie.

[0003] However, when the air supply system malfunctions, the parking brake will automatically apply, rendering the vehicle immobile. If the vehicle is on the line and needs rescue, the release cable is installed under the vehicle, and according to line safety requirements, personnel are prohibited from getting out of the vehicle to operate it. Therefore, the parking brake cannot be released, and the vehicle being rescued is towed away while the parking brake is applied, which can easily lead to a wheel-grip accident.

[0004] The existing parking relief cables are all installed on the bogies under the car. Although the installation positions are different, they generally have the problems of being inconvenient to operate and heavy.

[0005] When a rail vehicle malfunctions, causing the parking brake to be applied unexpectedly or unable to be released normally, if remote release is not possible, professional personnel must be dispatched to the vehicle's location to manually operate it. This is not only time-consuming, but also requires closing adjacent sections and taking safety measures when the vehicle is forced to stop in the section, which will seriously affect the operation of the entire line.

[0006] Most cable control structures only support single-sided or in-car operation, or bilateral operation is independent of in-car operation, failing to achieve rapid braking according to actual scenario requirements and slowing down fault response. Furthermore, design flaws in the cable system result in low force transmission efficiency, hindering precise force transmission and distribution. This makes it difficult for components such as brake calipers to respond to operating commands promptly and accurately, affecting the timeliness and accuracy of braking and increasing the difficulty of fault handling. Utility Model Content

[0007] The purpose of this utility model is to solve the above-mentioned problems by providing an integrated cable control box with three input ports and two output ports, in order to overcome the defects of the prior art, as detailed below.

[0008] To achieve the above objectives, the present invention provides the following technical solution:

[0009] This utility model provides an integrated cable control box with three input ports and two output ports, including three parking release control cables and two parking release execution cables, and a pulley transmission mechanism for realizing the linkage between the parking release control cables and the parking release execution cables is provided.

[0010] When operating any one or more of the parking and easing control cables, the pulley transmission mechanism can simultaneously transmit force and displacement to the other two parking and easing execution cables.

[0011] Two of the parking relief control cables are equipped with hand-operated relief cables located on both sides of the vehicle body, while the other parking relief control cable is equipped with an operating device located inside the passenger compartment.

[0012] Preferably, the pulley transmission mechanism includes three sets of first pulley assemblies and two sets of second pulley assemblies. The three sets of first pulley assemblies are respectively connected to three parking release control cables, and the two sets of second pulley assemblies are respectively connected to two parking release actuation cables. A continuous S-shaped hanging rope is wound between the first pulley assemblies and the second pulley assemblies. The two ends of the hanging rope are fixedly connected to the pulley box body through a fixing seat.

[0013] Preferably, the first pulley assembly includes a U-shaped fork, in which a first pulley is rotatably disposed, and one end of an input shaft is connected to the U-shaped fork, the other end of which is connected to a corresponding parking release control cable.

[0014] Preferably, the second pulley assembly includes a rectangular wheel frame, in which a second pulley is rotatably disposed. One end of an output shaft is connected to one side of the wheel frame, and the other end of the output shaft is connected to a corresponding parking release actuator cable. One end of a guide rod is connected to the other side of the wheel frame, and the other end of the guide rod is slidably connected to a guide hole on a fixed base. A compression spring is nested on the outside of the guide rod located between the fixed base and the wheel frame.

[0015] Preferably, both the first pulley and the second pulley have annular grooves along their circumference on their outer sides for winding the hanging rope.

[0016] Preferably, the hand-relaxation cable structure includes a hand-relaxation support fixedly mounted on the vehicle body, and the hand-relaxation support is provided with a relief handle for pulling the parking relief control cable.

[0017] Preferably, the hand rest is detachably provided with a safety pin for securing the relief handle, one end of the safety pin is provided with an end block, and the hand rest and the end block are connected to each other by a steel wire rope.

[0018] Preferably, the end block is provided with a locking spring for preventing the safety pin from falling off, and the outer contour of the locking spring is arc-shaped.

[0019] The beneficial effects are:

[0020] 1. By installing hand-operated release cable structures on both sides of the vehicle body and manipulators inside the vehicle compartment, the parking release control cables can be operated independently from outside or inside the vehicle compartment. Combined with the "three-to-two" linkage design of the pulley transmission mechanism, pulling one cable can control two parking release execution cables, significantly improving operational efficiency.

[0021] 2. The pulley transmission mechanism achieves efficient force transmission and distribution through the cooperation of two sets of pulley assemblies and continuous S-shaped hanging ropes. It accurately transmits the force applied by the operator to the parking release control cable to the parking release execution cable, thereby controlling the brake caliper and improving the accuracy and consistency of braking response. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a utility model Figure 1 A magnified view of a portion of point A;

[0025] Figure 3 This is the front view of this utility model;

[0026] Figure 4 This is a utility model Figure 3 A magnified view of section B.

[0027] The reference numerals in the attached drawings are explained as follows: 1. Pulley box; 101. Pulley box cover; 102. Fixed seat; 2. Stop and release control cable; 3. Stop and release execution cable; 4. Hand release cable structure; 401. Hand release support; 402. Release handle; 403. End block; 404. Safety pin; 405. Locking spring; 406. Steel wire rope; 5. Pulley transmission mechanism; 501. First pulley; 502. U-shaped fork; 503. Input shaft; 504. Second pulley; 505. Wheel frame; 506. Output shaft; 507. Guide rod; 508. Compression spring; 509. Hanging rope; 510. T-shaped pull rod; 6. Operator. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] See Figures 1-4 As shown, this utility model provides an integrated cable control box with three input ports and two output ports, including three parking relief control cables 2 and two parking relief execution cables 3. A pulley transmission mechanism 5 is provided between the parking relief control cables 2 and the parking relief execution cables 3 to realize the linkage between the two. When any one or more of the parking relief control cables 2 are operated, the pulley transmission mechanism 5 can simultaneously transmit force and displacement to the other two parking relief execution cables 3. Each of the two parking relief control cables 2 is provided with a hand-relaxing cable structure 4 distributed on both sides of the vehicle body. The other parking relief control cable 2 is provided with a manipulator 6 located in the passenger compartment. The manipulator 6 adopts the prior art and is well known to those skilled in the art.

[0030] In practical applications, through the coordinated operation of components such as the parking and releasing control cable 2, pulley transmission mechanism 5, parking and releasing execution cable 3, and hand release cable structure 4, operators can operate the corresponding parking and releasing control cable 2 from the cab and both sides of the vehicle body via the hand release cable structure 4 or the control device 6. The force is then transmitted to the parking and releasing execution cable 3 through the pulley transmission mechanism 5, thereby controlling the relevant braking components to achieve the purpose of parking or releasing the braking of the rail vehicle, ensuring the effective operation and safe control of the rail vehicle braking system.

[0031] See instruction manual attached Figure 3 and Figure 4As shown, the pulley transmission mechanism 5 includes three sets of first pulley assemblies and two sets of second pulley assemblies. The three sets of first pulley assemblies are connected one-to-one with three parking and releasing control cables 2, and the two sets of second pulley assemblies are connected one-to-one with two parking and releasing execution cables 3. A continuous S-shaped hanging rope 509 is wound between the first and second pulley assemblies, and both ends of the hanging rope 509 are fixedly connected to the pulley housing 1 via fixing seats 102. In practical applications, the force generated by the pulling of the parking and releasing control cables 2 in the first pulley assembly is transmitted to the second pulley assembly through the winding of the hanging rope 509, realizing the transfer of force from the parking and releasing control cables 2 to the parking and releasing execution cables 3. Through the coordinated work of the two sets of first pulley assemblies, the two sets of second pulley assemblies, the hanging rope 509, the fixing seats 102, and the pulley housing 1, the pulley transmission mechanism 5 realizes the transmission and conversion of force between the parking and releasing control cables 2 and the parking and releasing execution cables 3. When the operator pulls the parking release control cable 2, the first pulley assembly moves the second pulley assembly via rope 509, completing the force transmission process for braking control. Its ingenious structural design ensures that operating one parking release control cable 2 simultaneously transmits force to both parking release execution cables 3, guaranteeing synchronized operation of the braking components on both sides of the rail vehicle and improving the consistency and reliability of the braking system control.

[0032] This embodiment proposes a specific first pulley assembly, which includes a U-shaped fork 502. A first pulley 501 is rotatably disposed in the U-shaped groove of the U-shaped fork 502. One end of an input shaft 503 is connected to the U-shaped fork 502, and the other end of the input shaft 503 is connected to the corresponding parking release control cable 2.

[0033] This embodiment proposes a specific second pulley assembly, which includes a rectangular wheel frame 505. A second pulley 504 is rotatably disposed within the wheel frame 505. One end of an output shaft 506 is connected to one side of the wheel frame 505, and the other end of the output shaft 506 is connected to a corresponding parking release actuator cable 3. One end of a guide rod 507 is connected to the other side of the wheel frame 505. The other end of the guide rod 507 is slidably connected to a guide hole on a fixed base 102. A compression spring 508 is nested on the outside of the guide rod 507 located between the fixed base 102 and the wheel frame 505. Both the first pulley 501 and the second pulley 504 have annular grooves along their circumference for winding a hanging rope 509.

[0034] The hand-relaxation cable structure 4 includes a hand-relaxation support 401 fixedly mounted on the vehicle body, which determines the installation position of the entire hand-relaxation cable structure 4 on the vehicle body. This ensures the accurate relative position of the hand-relaxation cable structure 4 with other components in the rail vehicle braking system, such as the parking release control cable 2, enabling the components to work together. The hand-relaxation support 401 is equipped with a release handle 402 for pulling the parking release control cable 2. A safety pin 404 is detachably mounted on the hand-relaxation support 401 to secure the release handle 402, preventing accidental movement of the release handle 402 due to external forces or vibrations. This ensures the braking system remains stable in its current state, avoiding safety hazards such as brake failure or accidental braking. One end of the safety pin 404 is equipped with an end block 403. A locking spring 405, with an arc-shaped outline, is mounted on the end block 403 to prevent the safety pin 404 from falling off. A steel wire rope 406 connects the hand-relaxation support 401 and the end block 403. The wire rope 406 can prevent the safety pin 404 from being accidentally lost after disassembly; on the other hand, it enhances the connection stability between the end block 403 and the hand rest support 401 to a certain extent, and at the same time, it plays a certain guiding and restraining role in the movement of the safety pin during the insertion and removal process.

[0035] In practical applications, operators can easily pull the release control cable 2 using the release handle 402 to manually control the rail vehicle's braking system. The locking mechanism, consisting of the safety pin 404, end block 403, and locking spring 405, ensures the handle is stably fixed after operation, guaranteeing the braking system is in the required working state. The wire rope 406 provides protection and auxiliary fixation for the safety pin, preventing it from being lost or accidentally detached. Overall, the manual release cable structure 4 achieves both convenience and safety for manual operation of the rail vehicle's braking system.

[0036] Working principle:

[0037] The two hand-operated release control cables 2 are used to pull the vehicle from both sides by manipulating the hand-operated release cable structure 4 on two of the parking release control cables 2, while the other is used to pull the vehicle from the cab by manipulating the actuator 6 on the other parking release control cable 2. Specifically, the two hand-operated release cable structures 4 are respectively located on the left and right sides of the vehicle body, allowing for simultaneous operation from either side. The two parking release control cables 3 are respectively connected to the brake calipers of the two vehicle bodies. When the two hand-operated release cable structures 4 and the actuator 6 are operated independently or simultaneously, the brake calipers of the two vehicle bodies can be operated simultaneously. The safety pin 404 can secure the handle to prevent accidental operation, the locking spring 405 prevents the safety pin 404 from falling off, and the steel wire rope 406 serves as a suspension function after the safety pin 404 is pulled out.

[0038] In operation, the parking release control cable 2 is pulled, causing the first pulley 501 in the first pulley assembly connected to it to move within the pulley housing 1. Since a continuous S-shaped hanging rope 509 is wound between the first and second pulley assemblies, the movement of the first pulley 501 drives the second pulley 504 to move via the hanging rope 509, which in turn drives the wheel frame 505 to move. The output shaft 506 connected to the wheel frame 505 moves accordingly, thus transmitting force and displacement to the parking release execution cable 3. During this process, the guide rod 507 slides within the guide hole of the fixed base 102, and the compression spring 508 resets the parking release execution cable 3 after the release cable 2 is relaxed.

[0039] The parking and releasing actuator cable 3 is subjected to force transmission, which enables control of components such as the brake caliper, and completes braking-related operations such as parking and releasing.

[0040] Because rail transit vehicles are subject to legal and regulatory constraints, and there are no conditions for off-board operation on the main line or on some sections, once a rail vehicle is stopped and braked unexpectedly, the control device arranged in the car can be operated to remotely control the parking unit, ensuring that the rail vehicle can be moved or rescued.

[0041] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An integrated cable control box with three input ports and two output ports, characterized in that: It includes three parking relief control cables (2) and two parking relief execution cables (3), and a pulley transmission mechanism (5) is provided between the parking relief control cables (2) and the parking relief execution cables (3) to realize the linkage between the two. When operating any one or more of the parking relief control cables (2), the force and displacement can be transmitted to the other two parking relief execution cables (3) simultaneously through the pulley transmission mechanism (5); Two of the parking relief control cables (2) are equipped with hand-relaxation cable structures (4) distributed on both sides of the vehicle body, and the other parking relief control cable (2) is equipped with an operating device (6) located inside the car.

2. The integrated cable control box with three input ports and two output ports according to claim 1, characterized in that: The pulley transmission mechanism (5) includes three sets of first pulley assemblies and two sets of second pulley assemblies. The three sets of first pulley assemblies are respectively connected to three parking release control cables (2) one by one. The two sets of second pulley assemblies are respectively connected to two parking release execution cables (3) one by one. A continuous S-shaped hanging rope (509) is wound between the first pulley assemblies and the second pulley assemblies. The two ends of the hanging rope (509) are fixedly connected to the pulley box (1) through the fixing seat (102).

3. The integrated cable control box with three input ports and two output ports according to claim 2, characterized in that: The first pulley assembly includes a U-shaped fork (502), in which a first pulley (501) is rotatably disposed. One end of an input shaft (503) is connected to the U-shaped fork (502), and the other end of the input shaft (503) is connected to the corresponding parking release control cable (2).

4. The integrated cable control box with three input ports and two output ports according to claim 3, characterized in that: The second pulley assembly includes a rectangular wheel frame (505) with a second pulley (504) rotatably mounted inside the wheel frame (505). One end of an output shaft (506) is connected to one side of the wheel frame (505), and the other end of the output shaft (506) is connected to a corresponding parking release cable (3). One end of a guide rod (507) is connected to the other side of the wheel frame (505), and the other end of the guide rod (507) is slidably connected to a guide hole on a fixed seat (102). A compression spring (508) is nested on the outside of the guide rod (507) located between the fixed seat (102) and the wheel frame (505).

5. The integrated cable control box with three input ports and two output ports according to claim 4, characterized in that: Both the first pulley (501) and the second pulley (504) have annular grooves along their circumference on their outer sides for winding the hanging rope (509).

6. The integrated cable control box with three input ports and two output ports according to claim 1, characterized in that: The hand-relaxation cable structure (4) includes a hand-relaxation support (401) fixedly mounted on the vehicle body, and a relief handle (402) is provided on the hand-relaxation support (401) for pulling the parking relief control cable (2).

7. The integrated cable control box with three input ports and two output ports according to claim 6, characterized in that: The hand rest (401) is detachably provided with a safety pin (404) for fixing the relief handle (402) with a pin. One end of the safety pin (404) is provided with an end block (403). The hand rest (401) and the end block (403) are connected to each other by a wire rope (406).

8. The integrated cable control box with three input ports and two output ports according to claim 7, characterized in that: The end block (403) is provided with a locking spring (405) for preventing the safety pin (404) from falling off and locking it. The outer contour of the locking spring (405) is arc-shaped.

Images