Sealing and connecting device for flood control track inspection tester

Abstract

The utility model provides a sealing and connecting device for a flood control track inspection tester, which comprises two opening and closing connectors which are arranged on the flood control track inspection tester and can be respectively in corresponding contact with two steel rails of a track; the opening and closing connector comprises a mounting frame, a rotating frame, a driving handle and a conductive wheel, the mounting frame is used for being connected with the flood control track inspection tester, the driving handle and the rotating frame are rotationally connected to the mounting frame, the rotating axes of the driving handle and the rotating frame are parallel to each other, and a linkage piece is connected between the driving handle and the rotating frame; the rotating frame can be driven to rotate by rotating the driving handle; the conductive wheels are rotationally connected to the rotating frame, the rotating axes of the conductive wheels are parallel to the rotating axis of the rotating frame, and a wire is connected between the conductive wheels of the two opening and closing connectors. The device is connected with the two steel rails through the opening and closing connector to form a conduction loop, a red light band signal is generated, and a train is prevented from entering an operation section by mistake.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway maintenance technical field, concretely is a kind of sealing device for flood prevention track inspection instrument. BACKGROUND

[0002] During flood season, railway line is easily affected by rainstorm, flood, slope slip and other natural disasters, and line safety risk increases significantly. To ensure driving safety, railway maintenance section needs to increase inspection frequency, and timely find and eliminate various water damage hazards. To improve inspection efficiency and safety, a flood prevention track inspection instrument with automatic walking ability and waterproof performance is developed for efficient inspection in railway flood prevention emergency scene.

[0003] When using flood prevention track inspection instrument, the operating section needs to be sealed to prevent train from entering. The traditional sealing measure mostly relies on manual setting of short-circuit cable at both ends of steel rail to generate red light band signal, but this method cannot meet the demand of rapid online and immediate locking under sudden weather, and seriously restricts the response speed of flood prevention inspection. In addition, some other simple sealing measures introduce external power supply or unstable electrical connection, which easily interferes with the normal detection function of track circuit, even causes track circuit error code or section display abnormality, affects the stable operation of driving control system, and exists secondary safety hazard. UTILITY MODEL CONTENT

[0004] To solve the technical problems in the above background art, the utility model provides a sealing device for flood prevention track inspection instrument.

[0005] The utility model technical scheme is as follows:

[0006] A sealing device for flood prevention track inspection instrument, comprising two open-close connectors, installed on flood prevention track inspection instrument, for corresponding contact with two steel rails of track respectively;

[0007] The open-close connector comprises a mounting bracket, a rotating bracket, a driving handle and a conductive wheel, the mounting bracket is used for connecting with flood prevention track inspection instrument, the driving handle and the rotating bracket are rotationally connected on the mounting bracket, and the rotation axes of the two are parallel to each other, a linkage member is connected between the driving handle and the rotating bracket, and the driving handle is arranged to be able to drive the rotating bracket to rotate;

[0008] The conductive wheel is rotationally connected on the rotating bracket, and its rotation axis is parallel to the rotation axis of the rotating bracket, and the conductive wheels of the two open-close connectors are connected by a wire.

[0009] The sealing device drives the rotating frame to rotate by rotating the driving handle, so that the conductive wheel connected to the rotating frame abuts against the steel rail, connects the two steel rails, forms a low-resistance loop, uses the natural voltage difference between the steel rails, does not need an external power supply or interferes with the track circuit working state, and can make the track circuit identify the section as "occupied", thereby synchronously generating a red light band signal in the dispatching background to prompt the track occupation and prevent the train from invading.

[0010] In the above scheme, the rotating axis of the rotating frame is a horizontal line, and the rotating shaft position of the driving handle is higher than the rotating shaft position of the rotating frame.

[0011] In the above scheme, the rotating frame includes an extension arm, one end of the extension arm is connected to the mounting frame, and the other end is connected to the conductive wheel.

[0012] In order to ensure the stability of the rotating frame during rotation and the balance of the force borne by the rotating frame when the conductive wheel abuts against the steel rail, the extension arm includes two, which are horizontally symmetrical and arranged in parallel with each other, the same end of the two extension arms is rotatably connected to the mounting frame, and the other end is connected by a wheel rod, and the conductive wheel is rotatably connected to the wheel rod.

[0013] Preferably, the extension arm is bent in a trapezoidal shape, and the two ends extend downward, so as to improve the bending resistance of the extension arm and optimize its mechanical properties.

[0014] In the above scheme, a connecting rod is connected between the middle portions of the two extension arms, and the linkage member is connected to the connecting rod, which not only enhances the stability of the connecting structure between the two extension arms, but also serves as a force applying component of the driving handle.

[0015] Further, the driving handle includes a horizontal rod and a handle and a linkage arm extending from the ends of the horizontal rod towards the vertical direction of the horizontal rod axis, the horizontal rod is rotatably connected to the mounting frame, and the linkage member is connected to the extension end of the linkage arm. By separately arranging the linkage arm and the handle, the stress points of the driving handle can be distributed on both sides of the mounting frame, rather than on the same side, thereby avoiding causing poor rotation.

[0016] Preferably, the handle and the linkage arm both extend upward, the extension directions of the handle and the linkage arm are different, and the included angle between the extension directions is not greater than 90 degrees, and the extension direction of the linkage arm and the extension direction of the extension arm are located on the same side of the horizontal rod, so as to make it more convenient to operate the handle and pull the rotating frame more easily.

[0017] Preferably, the rotating frame extends forward, and the handle is arranged such that when the rotating frame is lifted, the handle is located on the rear side of the horizontal rod, and when the conductive wheel contacts the steel rail, the handle is located on the front side of the horizontal rod, so as to effectively utilize the weight of the handle to improve the stability of the position of the rotating frame when the conductive wheel abuts against the steel rail and is lifted.

[0018] In the above scheme, the linkage member is a tension spring.

[0019] The utility model provides a kind of for flood prevention track inspection appearance's seal connection device, with following beneficial effects:

[0020] 1. Realize operation section visualization lockout, significantly improve operation safety

[0021] By rotating drive handle, rotating frame is rotated, the electrically conductive wheel connected on rotating frame is abutted with steel rail, two steel rails are connected, stable conduction loop is formed, track circuit determines that the section is "occupied", red light band signal is generated in dispatching background synchronously, effectively prompt ongoing operation activity, avoid train misentry operation section, reduce collision risk, ensure man-machine operation safety.

[0022] 2. No additional power supply, no interference to track circuit normal work

[0023] Device makes full use of natural voltage difference between steel rails to establish closed current loop, does not need external power supply or injects additional signal to track, does not cause electrical interference or system misjudgment to track circuit, is safe and compatible with existing signal system.

[0024] 3. Simple structure, small volume, easy to integrate with inspection equipment

[0025] The device is compact in overall design, easy to install on existing flood prevention track inspection appearance, does not affect original function of equipment, strong adaptability, can be widely applied to various types of portable, automatic track inspection equipment.

[0026] 4. Support manual control, response flexible and fast

[0027] Device can be started and stopped by manual control mode according to on-site seal connection demand, meet the multi-scene use demand of emergency lockout or routine inspection, significantly improve operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0028] In the drawings:

[0029] Figure 1 It is the schematic view of open-close connector.

[0030] The components represented by each reference numeral in the drawing are:

[0031] 1, mounting frame;2, rotating frame;21, extension arm;22, wheel rod;23, shaft;24, connecting rod;3, drive handle;31, horizontal rod;32, handle;33, linkage arm;4, electrically conductive wheel;5, linkage. DETAILED DESCRIPTION

[0032] The utility model discloses an enclosed device for flood prevention track inspection instrument, including two open and close connectors, install on flood prevention track inspection instrument, be used for respectively with two steel rails of track corresponding contact, through the wire connection between two open and close connectors, when open and close connector and two steel rails abut, connect two steel rails, form low resistance loop, utilize the natural voltage difference between steel rail, make track circuit identify this section as " occupied ", thereby synchronous generation red light band signal in dispatching background, prompt track occupation.

[0033] As Figure 1 Shown, open and close connector includes mounting bracket 1, rotating frame 2, drive handle 3 and conducting wheel 4, mounting bracket 1 is used for with flood prevention track inspection instrument connection, drive handle 3 and rotating frame 2 are rotationally connected on mounting bracket 1, and the rotation axis of two is parallel with each other, drive handle 3 and rotating frame 2 are connected with linkage 5, and are set as rotating drive handle 3 can drive rotating frame 2 rotation;

[0034] Conducting wheel 4 is rotationally connected on rotating frame 2, and the rotation axis thereof is parallel with the rotation axis of rotating frame 2, and the conducting wheel 4 between two open and close connectors is connected with wire (not shown in the drawing).

[0035] Conducting wheel 4 is made of metal conductive material, and an anticorrosion coating or an electroplating layer can be provided on the surface of the conducting wheel 4 to enhance the conductivity and environmental adaptability.

[0036] The rotation axis of the rotating frame 2 is a horizontal line, and the rotation shaft position of the drive handle 3 is higher than the rotation shaft position of the rotating frame 2. During detection, the open and close connector is located above the steel rail, and the rotating frame 2 is rotated to enable the wheel surface of the conducting wheel 4 to contact the top surface of the steel rail.

[0037] The rotating frame 2 includes an extension arm 21, one end of the extension arm 21 is rotationally connected with the mounting bracket 1, and the other end of the extension arm 21 is connected with the conducting wheel 4.

[0038] The extension arm 21 preferably includes two extension arms 21, which are horizontally symmetrical and parallel to each other. The same end of the two extension arms 21 is rotationally connected with the mounting bracket 1, and the other end of the two extension arms 21 is connected with a wheel rod 22. The conducting wheel 4 is rotationally connected with the wheel rod 22.

[0039] The two extension arms 21 are connected with the mounting bracket 1 at one end, and a shaft rod 23 is connected between the two extension arms 21 and the mounting bracket 1, and the shaft rod 23 is rotationally connected with the mounting bracket 1. The shaft rod 23 serves as a rotation shaft.

[0040] The rotating frame 2 is composed of the two extension arms 21, the wheel rod 22 and the shaft rod 23 to form a rectangular frame structure, so that the structure stability of the rotating frame 2 is higher, and the stability of the rotating frame 2 during rotation and the balance of the force received by the rotating frame 2 when the conducting wheel 4 abuts against the steel rail are ensured.

[0041] In addition, a connecting rod 24 is connected between the middle portions of the two extension arms 21, and the linkage 5 is connected with the connecting rod 24. The connecting rod 24 not only enhances the stability of the connecting structure between the two extension arms 21, but also serves as a force applying component of the driving handle 3, and simultaneously applies force to the two extension arms 21.

[0042] Preferably, the extension arms 21 are bent in a trapezoidal shape, and the two ends extend downward, so as to improve the bending resistance of the extension arms 21, and optimize the mechanical properties of force receiving and force applying.

[0043] In the embodiment, the extension arms 21 extend forward, i.e. in the direction of movement during detection of the flood prevention rail inspection instrument, and are always located at the front side of the rotation shaft during up-and-down swinging. When the conductive wheel 4 contacts the steel rail, the angle between the plane where the axis of the conductive wheel 4 and the axis of the rotating frame 2 are located and the horizontal plane is preferably greater than 45 degrees. Thus, during detection, the friction force applied by the steel rail to the conductive wheel 4 is backward, which causes the rotating frame 2 to have a tendency to rotate backward, and in turn enables the conductive wheel 4 to be pressed on the steel rail, so as to ensure sufficient contact between the conductive wheel 4 and the steel rail.

[0044] The driving handle 3 comprises a horizontal rod 31, and a handle 32 and a linkage arm 33 extending from the two ends of the horizontal rod 31 to the axial direction of the horizontal rod 31. The horizontal rod 31 is rotationally connected to the mounting frame 1, and serves as the rotation shaft of the driving handle 3. The linkage 5 is connected to the extending end of the linkage arm 33. By separately arranging the linkage arm 33 and the handle 32, the force receiving points of the driving handle 3 are distributed on the two sides of the mounting frame 1, rather than on the same side, so as to avoid causing poor rotation.

[0045] The handle 32 and the linkage arm 33 both extend upward, and the extending directions of the handle 32 and the linkage arm 33 are different, and the angle between the extending directions is not greater than 90 degrees.

[0046] Specifically, the extending direction of the linkage arm 33 and the extending direction of the extension arm 21 are located on the same side of the horizontal rod 31, i.e. the linkage arm 33 also extends forward, and is always located at the front side of the horizontal rod 31 when the rotating frame 2 is swung, so as to more easily lift and press down the rotating frame 2.

[0047] The extending direction of the handle 32 is preferably arranged such that when the rotating frame 2 is lifted, the handle 32 is located at the rear side of the horizontal rod 31, and when the conductive wheel 4 contacts the steel rail, the handle 32 is located at the front side of the horizontal rod 31, so as to effectively utilize the weight of the handle 32 to increase the pressing force of the conductive wheel 4 against the steel rail, and to offset the gravity of the rotating frame 2 when the rotating frame 2 is lifted, and in turn to improve the stability of the contact between the conductive wheel 4 and the steel rail, and the stability of the position of the rotating frame 2 when the rotating frame 2 is lifted.

[0048] In this embodiment, the linkage 5 is a tension spring, the two ends of which are connected to the linkage arm 33 and the connecting rod 24 respectively. When the electrically conductive wheel 4 is in contact with the rail, the tension spring is arranged to be in a compressed state, and through the elastic force of the spring, a downward pressing force is applied to the rotating frame 2, ensuring that the electrically conductive wheel 4 is in full contact with the rail.

[0049] In this embodiment, the rotation between the horizontal rod 31 and the mounting frame 1 is arranged to be non-free rotation, that is, the rotation between the two has frictional damping, and the handle 32 can be swung to any position to fix the position of the driving handle 3. Specifically, a nut (not shown in the figure) is threadedly connected to the horizontal rod 31, and an elastic washer or rubber ring (not shown in the figure) is arranged between the nut and the mounting frame 1. The elastic washer or rubber ring is pressed against the mounting frame 1 by the nut to generate frictional damping. When the nut is installed, raw material belts can be used to reinforce the connection between the nut and the horizontal rod 31, so that the nut does not loosen due to frictional damping when the driving handle 3 rotates.

[0050] In this embodiment, the mounting frame 1 is in the shape of a Chinese character "N" and is integrally bent from a plate material. The two extension arms 21 are located at the lower ends of the two sides of the mounting frame 1, and the handle 32 and the linkage arm 33 are located at the upper ends of the two sides of the mounting frame 1. The distance between the two extension arms 21 is greater than the distance between the handle 32 and the linkage arm 33.

[0051] The top of the mounting frame 1 is connected to an L-shaped rod, the vertical segment of the L-shaped rod is connected to the top of the mounting frame 1, and the horizontal segment is connected to a metal plate, which is provided with mounting holes for mounting the opening and closing connectors on the two side bodies of the flood control track inspection instrument.

[0052] Of course, in some other embodiments, according to actual needs and space requirements, the mounting frame 1 can be directly installed on the flood control track inspection instrument.

[0053] The sealing device of this embodiment includes the following steps when in use:

[0054] 1. Installation

[0055] Two opening and closing connectors are fixed to the structures on the two sides of the flood control track inspection instrument by installation bolts to ensure firm connection with the main equipment. The electrically conductive wheels 4 are arranged symmetrically left and right and maintain an aligned relationship with the two rails, and are connected to the wires. During installation, it is necessary to confirm that the components such as the driving handle 3, the rotating frame 2, and the electrically conductive wheel 4 are flexible in action, the pre-tightening force of the tension spring is appropriate, and the device is in an operable state.

[0056] 2. Going on the track

[0057] The operating personnel carry the flood control track inspection instrument to the operating section and stably place the whole vehicle above the rails through the walking mechanism provided with the equipment. At this time, the opening and closing connectors are in a raised state, the electrically conductive wheels 4 are not in contact with the rails, and the track circuit remains in an idle state.

[0058] 3. Sealing

[0059] After arriving at the sealing site, the operator pushes the handle 32 of the two open-close connectors forward respectively, drives the rotating frame 2 to rotate downward through the tension spring, and then makes the conductive wheels 4 connected on the rotating frame 2 press downward, and the two conductive wheels 4 press tightly on the tread of the left and right rails respectively. The conductive wheels 4 form a stable electrical connection, the track circuit detects the loop closure, the background dispatching system automatically determines that the section is “occupied”, displays a red light signal, and completes the sealing operation.

[0060] 4. Unsealing

[0061] After the operation task is completed, the operator pushes the handle 32 of the two open-close connectors backward respectively, the tension spring is stretched, the connecting frame is lifted with the handle 32, and the conductive wheels 4 move upward and are separated from the surface of the rail. The conduction path is cut off, the track circuit returns to the unoccupied state, the dispatching background displays that the occupation is removed, and the unsealing operation is completed.

[0062] 5. Next track

[0063] After confirming that the sealing state of the equipment has been removed, the operator lifts the flood prevention track inspection instrument away from the track or drives away from the operation section, and completes the whole operation process. The sealing device is withdrawn together with the equipment and does not need to be disassembled.

Claims

1. A closure device for a flood inspection track, characterized in that Two open-close connectors are installed on a flood control track inspection instrument and are used for contacting two steel rails of the track respectively; The open-close connector comprises a mounting frame (1), a rotating frame (2), a driving handle (3) and a conductive wheel (4), the mounting frame (1) is used for connecting with the flood control track inspection instrument, the driving handle (3) and the rotating frame (2) are rotationally connected on the mounting frame (1), and the rotation axes of the two are parallel to each other, a linkage (5) is connected between the driving handle (3) and the rotating frame (2), and the driving handle (3) is arranged to be able to drive the rotating frame (2) to rotate. The conductive wheel (4) is rotationally connected on the rotating frame (2), and the rotation axis thereof is parallel to the rotation axis of the rotating frame (2), and wires are connected between the conductive wheels (4) of the two open-close connectors.

2. A coupling device for a flood inspection rail as claimed in claim 1, wherein, The rotation axis of the rotating frame (2) is a horizontal line, and the rotation axis position of the driving handle (3) is higher than that of the rotating frame (2).

3. The sealing device for a flood control track inspection instrument as described in claim 2, characterized in that, The rotating frame (2) comprises an extension arm (21), one end of the extension arm (21) is connected with the mounting frame (1), and the other end is connected with the conductive wheel (4).

4. A coupling device for a flood inspection rail as claimed in claim 3, wherein, The extension arm (21) comprises two parts, which are horizontally symmetrical and parallel to each other, and the same end of the two extension arms (21) is rotationally connected with the mounting frame (1), and the other end is connected with a wheel rod (22), and the conductive wheel (4) is rotationally connected on the wheel rod (22).

5. A coupling device for a flood inspection rail as claimed in claim 4, wherein, The extension arm (21) is in a trapezoidal shape and extends downward at both ends.

6. A coupling device for a flood inspection rail as claimed in claim 5, wherein, The middle part of the two extension arms (21) is connected with a connecting rod (24), and the linkage (5) is connected with the connecting rod (24).

7. A coupling device for a flood inspection rail as claimed in claim 6, wherein, The driving handle (3) comprises a horizontal rod (31), a handle (32) and a linkage arm (33) extending from both ends of the horizontal rod (31) to the direction perpendicular to the axis direction of the horizontal rod (31), the horizontal rod (31) is rotationally connected on the mounting frame (1), and the linkage (5) is connected with the extension end of the linkage arm (33).

8. A coupling device for a flood inspection rail as claimed in claim 7, wherein, The handle (32) and the linkage arm (33) both extend upward, the extending directions of the two are different, and the included angle between the extending directions is not greater than 90 degrees, and the extending direction of the linkage arm (33) and the extending direction of the extension arm (21) are located on the same side of the horizontal rod (31).

9. The attachment for a flood rail inspection vehicle of claim 7, wherein, The rotating frame (2) extends forward, the handle (32) is arranged to be located on the rear side of the horizontal rod (31) when the rotating frame (2) is lifted, and the handle (32) is located on the front side of the horizontal rod (31) when the conductive wheel (4) contacts the steel rail.

10. A closure device for a flood inspection track according to any one of claims 1 to 9, characterized in that The linkage (5) is a tension spring.

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