A quick tightening device for gangway

Abstract

The present invention belongs to the technical field of rail transit equipment, and relates to a rapid tightening device for a gangway, wherein the main structure comprises a tightener, a left rope, a right rope, a clasp, a damper and a limit rope, wherein the tightener is respectively connected to one end of the left rope and the right rope, and the other ends of the left rope and the right rope are respectively connected to the clasp, and the clasp is connected to the damper and the limit rope, and is located inside the gangway at the connection of two carriages, and based on its own flexible characteristics, it can adapt to the position change caused by the relative movement between vehicles when the train is coupled, and can realize rapid and reliable retraction of the gangway when unmarshaling, thereby greatly shortening the operation time, reducing the labor intensity of the operator, and improving the operation efficiency; the device has a simple structure and is easy to operate, and the tightening and releasing operations of the gangway are performed by driving the pull rope through the tightener, thereby meeting the requirements for rapid tightening and releasing of the gangway, and at the same time has the function of stabilizing the gangway when unlocking, thereby providing technical support for realizing intelligent train marshaling.

Description

Technical field:

[0001] The present invention belongs to the technical field of rail transit equipment, and in particular relates to a rapid tightening device for a gangway, which can realize rapid and reliable retraction of the gangway during unmarshalling, shorten operation time, reduce labor intensity, and improve operation efficiency. Background technology:

[0002] The gangway is an internal passage through which passengers can walk freely from one carriage to another in a vehicle and feel safe and comfortable. The tightening device is one of the important components of the gangway, which is used to fold, fix and release the gangway.

[0003] In existing rail vehicles, the tightening and fixing of the gangway are achieved by manually pushing and pulling it into place and then tightening the rope. The operation is cumbersome and requires the assistance of two or more personnel, which is time-consuming and labor-intensive. For example, the gangway tightening rod assembly in the automobile transportation process disclosed in Chinese Patent 201310364052.2 includes a positioning ring, a positioning seat, two fixing clips and a tightening rod. The positioning ring is fixed on the screw frame of the vehicle gangway, and the positioning seat is fixed on the connecting frame of the vehicle gangway; the tightening rod consists of a turning handle and two pulling rods, both ends of the turning handle are provided with internal threads, one end of the two pulling rods is provided with a hook, and the other end is provided with an external thread, the turning handle is connected to the two pulling rods by threads, and the distance between the two pulling rods is increased or reduced by the cooperation of the internal and external threads; the two fixing clips are fixed in the middle position of the screw frame of the vehicle gangway, the two fixing clips are arranged up and down, and the distance between the two is greater than or equal to the overall length of the turning handle. Chinese patent 201720967710.0 discloses a quick tensioner for a tunnel, including a knob, two concave arc-shaped connecting plates, two adjusting rods, two screws and two hooks, the knob is provided with a knob hole, one end of the two concave arc-shaped connecting plates are respectively hinged to the knob, and the two hinge points are on the same straight line with the knob hole, the concave arc-shaped connecting plates are inwardly concave arc-shaped, one end of the two adjusting rods are respectively hinged to the other end of the corresponding connecting plates, the two screws are respectively connected to the other end of the corresponding adjusting rods, and the two hooks are respectively connected to the corresponding screws. It has seriously affected the policy of healthy and sustainable development in the field of tunnels. Therefore, it is urgently needed to develop a new mechanism that can save time and effort, be healthy and environmentally friendly, and meet the requirements of various vehicle working conditions to reduce or replace manual labor. Summary of the invention:

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a quick tightening device for a gangway that can be operated by one person and reduces maintenance costs.

[0005] In order to achieve the above-mentioned purpose, the main structure of the quick tightening device for a through passage involved in the present invention includes a tightener, a left rope, a right rope, a clasp, a damper and a limiting rope; the tightener is connected to one end of the left rope and the right rope respectively, the other ends of the left rope and the right rope are respectively connected to the clasp, and the clasp is connected to the damper and the limiting rope.

[0006] The tightener of the present invention is provided with two mutually parallel coaxial grooved wheels, and the tightener is also provided with a mounting hole and a torque input interface.

[0007] The left rope and the right rope involved in the present invention have the same main structure, both including a pull rope, a protective sleeve and an installation shaft; a protective sleeve is provided on the outer side of the middle part of the pull rope, and an installation shaft is provided on the end of the protective sleeve; the pull rope can slide freely in the protective sleeve and the installation shaft; the interior of the installation shaft is a hollow structure, and a thread is provided on the outside.

[0008] The front end of the pull rope of the left rope involved in the present invention is connected to the upper part of the left grooved wheel of the tensioner; the front end of the pull rope of the right rope is connected to the lower part of the right grooved wheel of the tensioner; the rear ends of the pull ropes of the left rope and the right rope pass through the protective sleeve, the installation shaft and are hingedly connected to the damper and one end of the limit rope through the clamp ring in sequence; the other ends of the damper and the limit rope are hingedly connected to the movable side frame; the installation shaft is connected to the fixed side frame; the rear end installation shaft is fixed on the fixed side frame at the most favorable force point for the pull rope to slide.

[0009] The torque input interface of the tightener involved in the present invention can be rotated manually or driven by a portable electric drill; the clamping ring can quickly realize the connection and separation of the pull rope and the movable side frame to meet other operations of the flexible body; the damper can keep the pull rope in a tensioned state at all times to move with the through channel to avoid scratching other components; the limit rope can prevent the through channel from being over-stretched when being unwound and damaging the flexible body.

[0010] The invention meets the needs of changes in the shape and deadweight of the gangway by adjusting the specifications of the left rope and the right rope.

[0011] Compared with the prior art, the present invention is located inside the gangway at the connection between two carriages. Based on its own flexible characteristics, it can adapt to the position change caused by the relative movement between vehicles when the train is coupled, and can quickly and reliably retract the gangway when unmarshaling, greatly shortening the operation time, reducing the labor intensity of the operator, and improving the operating efficiency; it has a simple structure and is easy to operate. The gangway is tightened and released by the tensioner driving the pull rope, meeting the requirements of rapid tightening and releasing of the gangway, and at the same time has the function of stabilizing the gangway when unlocking, providing technical support for realizing intelligent train marshaling. Description of the drawings:

[0012] Figure 1It is a schematic diagram of the main structural principle of the present invention.

[0013] Figure 2 It is a schematic diagram of the local structural principle of the present invention.

[0014] Figure 3 It is a schematic diagram of the local structural connection of the present invention.

[0015] Figure 4 The figure is a schematic diagram of the main structural principle of the tightener involved in the present invention.

[0016] Figure 5 It is a schematic diagram of the use state of the present invention. Specific implementation method:

[0017] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0018] Embodiment 1:

[0019] The main structure of the quick tightening device for the through-channel involved in this embodiment includes a tightener 1, a left rope 2, a right rope 3, a clasp 4, a damper 5 and a limit rope 6; the tightener 1 is connected to one end of the left rope 2 and the right rope 3 respectively, and the other ends of the left rope 2 and the right rope 3 are connected to the clasp 4 respectively, and the clasp 4 is connected to the damper 5 and the limit rope 6; the tightener 1 is connected to the fixed side frame 100; two grooved wheels 11 with coaxial structures parallel to each other are arranged in the tightener 1, and the tightener 1 is also provided with a mounting hole 12 and a torque input interface 13; the main structures of the left rope 2 and the right rope 3 are the same, both including a pull rope 21, a protective cover 22 and a mounting shaft 23; the protective cover 22 is arranged on the outer side of the middle part of the pull rope 21, and the end of the protective cover 22 is provided with a mounting shaft 23.

[0020] When the through-channel with a novel quick tightening mechanism involved in this embodiment is used, the tensioner 1 is connected to the fixed side frame 100 of the through-channel, the front ends of the pull ropes 21 of the left rope 2 and the right rope 3 are respectively wound around the upper and lower parts of two coaxial grooved wheels 11 separated from each other of the tensioner 1, the rear ends of the pull ropes 21 of the left rope 2 and the right rope 3 are respectively hingedly connected to the damper 5 and one end of the limit rope 6 through the clamp 4, and the other ends of the damper 5 and the limit rope 6 are hingedly connected to the movable side frame 200; when the grooved wheel 11 of the tensioner 1 rotates, the pull ropes 21 of the left rope 2 and the right rope 3 move to the same length, ensuring that the flexible body 300 of the through-channel can be stretched and retracted smoothly, avoiding accidental damage to the flexible body 300 due to uneven force.

Claims

1. A quick tightening device for a gangway, characterized in that: The main structure includes a tensioner, a left rope, a right rope, a clasp, a damper and a limit rope; the tensioner is connected to one end of the left rope and the right rope respectively, the other ends of the left rope and the right rope are connected to the clasp respectively, the clasp is connected to the damper and the limit rope, two mutually parallel coaxial grooved wheels are arranged in the tensioner, and the tensioner is also provided with a mounting hole and a torque input interface, the main structure of the left rope and the right rope is the same, both including a pull rope, a protective sleeve and a mounting shaft; a protective sleeve is arranged on the outer side of the middle part of the pull rope, and a mounting shaft is arranged at the end of the protective sleeve; the pull rope can slide freely in the protective sleeve and the mounting shaft; the interior of the mounting shaft is a hollow structure, and a thread is arranged on the outside.

2. The quick tightening device for a through passage according to claim 1, characterized in that: The front end of the pull rope of the left rope is connected to the upper part of the left grooved wheel of the tensioner; the front end of the pull rope of the right rope is connected to the lower part of the right grooved wheel of the tensioner; the rear ends of the pull ropes of the left rope and the right rope pass through the protective cover and the installation shaft in turn, and are hingedly connected to the damper and one end of the limit rope through the clamp; the other ends of the damper and the limit rope are hingedly connected to the movable side frame; the installation shaft is connected to the fixed side frame; the rear end installation shaft is fixed on the fixed side frame at the force point that is most conducive to the sliding of the pull rope.

3. The quick tightening device for a through passage according to claim 1, characterized in that: The torque input interface of the tensioner can be rotated manually or driven by a portable electric drill; the clamping ring can quickly connect and separate the pull rope and the movable side frame; the damper can keep the pull rope in a tensioned state at all times; the limit rope can prevent the through-channel from being over-stretched and damaging the flexible body when it is unbraided.

4. The quick tightening device for a through passage according to claim 1, characterized in that: The specifications of the left and right ropes can be adjusted to meet the requirements of the gangway shape and deadweight.

5. The quick tightening device for a gangway according to any one of claims 1 to 3, characterized in that: When in use, the tensioner is connected to the fixed side frame of the through-channel, the front ends of the pull ropes of the left rope and the right rope are respectively wound around the upper and lower parts of two coaxial grooved wheels separated from each other of the tensioner, the rear ends of the pull ropes of the left rope and the right rope are respectively hingedly connected to one end of the damper and the limit rope through a clamp, and the other ends of the damper and the limit rope are hingedly connected to the movable side frame; when the grooved wheel of the tensioner rotates, the pull ropes of the left rope and the right rope move to the same length, ensuring that the flexible body of the through-channel can expand and contract smoothly, avoiding accidental damage to the flexible body due to uneven force.

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