A gangway with a new type of quick tightening mechanism

Abstract

The present invention belongs to the technical field of rail transit equipment, and specifically relates to a gangway with a novel quick tightening mechanism, wherein a flexible body is arranged between a fixed side frame and a movable side frame, a closed end of the tightening mechanism of an inverted U-shaped structure is connected to the fixed side frame, and an open end of the tightening mechanism is connected to the movable side frame. Considering the operational requirements of frequent coupling and uncoupling of vehicles, the gangway can be quickly and reliably retracted by a single person, thereby reducing the tightening time of the gangway during uncoupling, reducing labor intensity, improving operating efficiency, and reducing maintenance costs. The gangway can adapt to position changes caused by relative movement between vehicles when trains are coupled. The gangway has a simple structure, is easy to operate, has reliable performance, is easy to maintain, meets the requirements of the continuous development of rail transit vehicles, has huge market potential, can realize quick coupling and unlocking of the gangway, improves the application scope of the gangway, and has considerable economic benefits.

Description

Technical field:

[0001] The present invention belongs to the technical field of rail transit equipment, and in particular relates to a gangway with a novel quick tightening mechanism, which can quickly and reliably realize the folding of the gangway, shorten the operation time, reduce the labor intensity, and improve the 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 through-passage, comprising a knob, two concave arc-shaped connecting plates, two adjusting rods, two screws and two hooks, wherein 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 through-passages. Therefore, it is urgently needed to develop a through-passage with a new tightening mechanism that can save time and effort, be healthy and environmentally friendly, and meet the requirements of various vehicle working conditions. Summary of the invention:

[0004] The purpose of the invention is to overcome the shortcomings of the prior art and provide a through-passage with a novel quick tightening mechanism to achieve single-person operation, reduce maintenance costs and improve operating efficiency.

[0005] In order to achieve the above-mentioned purpose, the main structure of the through-passage with a novel quick tightening mechanism involved in the present invention includes a fixed side frame, a movable side frame, a flexible body and a tightening mechanism; a flexible body is arranged between the fixed side frame and the movable side frame, the closed end of the tightening mechanism of the inverted U-shaped structure is connected to the fixed side frame, and the open end of the tightening mechanism is connected to the movable side frame.

[0006] The main structure of the tightening mechanism involved in the present invention comprises 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 connected to the clasp respectively, and the clasp is connected to the damper and one end of the limiting rope.

[0007] The tensioner involved in the present invention is connected to the fixed side frame through a fastener, and a baffle is arranged between the fastener and the tensioner; the left rope passes through the No. 1 mounting seat, the fixing frame and the No. 2 mounting seat arranged on the fixed side frame in sequence and is connected to the clamp ring, the right rope passes through the No. 3 mounting seat, the fixing frame and the No. 2 mounting seat arranged on the fixed side frame in sequence and is connected to the clamp ring, the other ends of the damper and the limiting rope are both connected to the No. 4 fixing seat arranged on the movable side frame; the damper and the limiting rope are both connected to the No. 4 fixing seat through fasteners and lifting rings.

[0008] 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, a front mounting shaft and a rear mounting shaft; a protective sleeve is provided on the outer sleeve of the middle part of the pull rope, a front mounting shaft is provided between the pull rope and the front end of the protective sleeve, and a rear mounting shaft is provided between the pull rope and the rear end of the protective sleeve; the pull rope can slide freely in the protective sleeve, the front mounting shaft and the rear mounting shaft; the protective sleeve is connected to the fixed side frame through a fixing frame; the interior of the front mounting shaft and the rear mounting shaft are both hollow structures, and threads are provided on the outside.

[0009] The baffle plate involved in the present invention is provided with a guide hole; two mutually parallel coaxial grooved wheels are provided in the tightener, and a torque input interface is also provided on the tightener; a No. 1 mounting seat, a No. 2 mounting seat and a No. 3 mounting seat are all provided with mounting shaft fixing grooves; and mounting holes are provided on the baffle plate, the No. 1 mounting seat, the No. 3 mounting seat, the No. 4 fixing seat and the tightener.

[0010] The main structures of the No. 1 mounting seat and the No. 3 mounting seat involved in the present invention are the same, but the sizes are different; the front end of the pull rope of the left rope is connected to the upper part of the left groove wheel of the tensioner through the guide hole of the baffle; the front end of the pull rope of the right rope is connected to the lower part of the right groove 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 front mounting shaft and the rear mounting shaft in sequence, and are hingedly connected to the damper and one end of the limit rope through the clamping ring, and the other end of the damper and the limit rope is hingedly connected to the No. 4 mounting seat through a fastener and a lifting ring; the front mounting shaft of the left rope is fixed in the mounting shaft fixing groove of the No. 1 mounting seat, the front mounting shaft of the right rope is fixed in the mounting shaft fixing groove of the No. 3 mounting seat, and the rear mounting shafts are all fixed in the mounting shaft fixing groove of the No. 2 mounting seat at the most favorable force point for the pull rope to slide.

[0011] When the gangway with a novel rapid tightening mechanism involved in the present invention is used, the tensioner drives the pull rope to tighten and release the gangway, which meets 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.

[0012] Compared with the prior art, the present invention takes into account the operational requirements of frequent coupling and decoupling of vehicles, can be quickly and reliably folded up by a single person, reduces the tightening time of the gangway during decoupling, reduces labor intensity, improves operational efficiency, reduces maintenance costs, and can adapt to position changes caused by relative movement between vehicles when trains are coupled; it has a simple structure, is easy to operate, has reliable performance, is easy to maintain, meets the requirements of the continuous development of rail transit vehicles, has huge market potential, can realize rapid coupling and unlocking of the gangway, improves the application scope of the gangway, and has considerable economic benefits. For gangways with complex shapes, limited operations, and heavy weight, it has the characteristics of rapid tightening, fixing, and releasing, has a wide range of applications, and is particularly suitable for occasions where space is narrow and rapid locking and unlocking functions need to be set. Description of the drawings:

[0013] Figure 1 It is a schematic diagram of the main structural principle of the present invention.

[0014] Figure 2 It is a cross-sectional view of the main structure of the present invention taken along the AA direction.

[0015] Figure 3 It is a cross-sectional view of the main structure of the present invention taken along the BB direction.

[0016] Figure 4 It is an enlarged view of location I of the main structure of the present invention.

[0017] Figure 5 It is an enlarged view of position II of the main structure of the present invention.

[0018] Figure 6It is an enlarged view of position III of the main structure of the present invention.

[0019] Figure 7 It is an enlarged view of IV of the main structure of the present invention.

[0020] Figure 8 The figure is a schematic diagram of the main structural principle of the baffle involved in the present invention.

[0021] Fig. 9 This is a schematic diagram of the main structural principle of the No. 2 mounting seat involved in the present invention.

[0022] Fig.10 This is a schematic diagram of the main structural principle of the No. 3 mounting seat involved in the present invention.

[0023] Fig.11 This is a schematic diagram of the main structural principle of the No. 4 mounting seat involved in the present invention.

[0024] Fig.12 The figure is a schematic diagram of the main structural principle of the tightener involved in the present invention. Specific implementation method:

[0025] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0026] Embodiment 1:

[0027] The main structure of the through-passage with a novel quick tightening mechanism involved in this embodiment includes a fixed side frame 1, a movable side frame 2, a flexible body 3 and a tightening mechanism 4; a flexible body 3 is arranged between the fixed side frame 1 and the movable side frame 2, the closed end of the tightening mechanism 4 of the inverted U-shaped structure is connected to the fixed side frame 1, and the open end of the tightening mechanism 4 is connected to the movable side frame 2; the main structure of the tightening mechanism 4 includes a tightener 41, a left rope 42, a right rope 43, a clamp 44, a damper 45 and a limit rope 46; the tightener 41 is connected to one end of the left rope 42 and the right rope 43 respectively, and the other ends of the left rope 42 and the right rope 43 are connected to the clamp ring 44 respectively, and the clamp ring 44 is connected to the damper 45 and the limit rope 46; the tightener 41 is connected to the fixed side frame 1 through the fastener 5, and a baffle 6 is arranged between the fastener 5 and the tightener 41; the main structure of the left rope 42 and the right rope 43 is the same, both of which include a pull rope 421, a protective cover 422, a front mounting shaft 423 and a rear mounting shaft 424; the middle outer sleeve of the pull rope 421 is provided with A front mounting shaft 423 is provided between the front end of the protective cover 422, the pull rope 421 and the protective cover 422, and a rear mounting shaft 424 is provided between the pull rope 421 and the rear end of the protective cover 422; the left rope 42 passes through the No. 1 mounting seat 7, the fixing frame 8 and the No. 2 mounting seat 9 provided on the fixed side frame 1 in sequence and is connected to the clamp ring 44, the right rope 43 passes through the No. 3 mounting seat 10, the fixing frame 8 and the No. 2 mounting seat 9 provided on the fixed side frame 1 in sequence and is connected to the clamp ring 44, and the damper 45 and the limit rope 46 are both connected through The fastener 5 and the lifting ring 12 are connected to the No. 4 fixing seat 11 set on the movable side frame 2; a guide hole 13 is set on the baffle 6; two mutually parallel coaxial grooved wheels 411 are set in the tightener 41, and a torque input interface 412 is also set on the tightener 41; the No. 1 mounting seat 7, the No. 2 mounting seat 9 and the No. 3 mounting seat 10 are all provided with mounting shaft fixing grooves 100; the baffle 6, the No. 1 mounting seat 7, the No. 3 mounting seat 10, the No. 4 fixing seat 11 and the tightener 41 are all provided with mounting holes 200.

[0028] The torque input interface 412 of the tightener 41 involved in this embodiment can be rotated manually or driven by a portable electric drill; the front ends of the pull ropes 421 of the left rope 42 and the right rope 43 are respectively wound around the upper and lower parts of the two coaxial grooved wheels 411 separated from each other of the tightener 41; the rear ends of the pull ropes 421 of the left rope 42 and the right rope 43 are respectively hingedly connected to one end of the damper 45 and the limit rope 46 through the clamp ring 44, and the other ends of the damper 45 and the limit rope 46 are hingedly connected to the No. 4 fixing seat 11 through the fastener 5 and the lifting ring 12, and the tightening When the grooved wheel 411 of the device 41 rotates, the lengths of the pull rope 421 of the left rope 42 and the right rope 43 are consistent, ensuring that the flexible body 3 can be stretched and retracted smoothly to avoid accidental damage to the flexible body 3 due to uneven force; the clamping ring 44 can quickly connect and separate the pull rope 421 from the movable side frame 2 to meet other operations of the flexible body 3; the damper 45 can keep the pull rope 421 in a tensioned state at all times to move with the through channel to avoid scratching other components; the limiting rope 46 can prevent the through channel from being over-stretched when it is unwound and damaging the flexible body 3.

[0029] In this embodiment, the specifications of the left rope 42 and the right rope 43 are adjusted to meet the needs of changes in the shape and deadweight of the throughway.

Claims

1. A gangway with a novel quick tightening mechanism, characterized in that: The main structure includes a fixed side frame, a movable side frame, a flexible body and a tightening mechanism; a flexible body is arranged between the fixed side frame and the movable side frame, the closed end of the tightening mechanism of the inverted U-shaped structure is connected to the fixed side frame, and the open end of the tightening mechanism is connected to the movable side frame; the main structure of the tightening mechanism includes a tightener, a left rope, a right rope, a clasp, a damper and a limit rope; the tightener is respectively connected to one end of the left rope and the right rope, the other end of the left rope and the right rope is respectively connected to the clasp, the clasp is connected to the damper and the limit rope One end of the tensioner is connected, the tensioner is connected to the fixed side frame through a fastener, and a baffle is arranged between the fastener and the tensioner; the left rope passes through the No. 1 mounting seat, the fixing frame and the No. 2 mounting seat arranged on the fixed side frame in sequence and is connected to the clamp ring, the right rope passes through the No. 3 mounting seat, the fixing frame and the No. 2 mounting seat arranged on the fixed side frame in sequence and is connected to the clamp ring, the other ends of the damper and the limit rope are connected to the No. 4 fixing seat arranged on the movable side frame; the damper and the limit rope are connected to the No. 4 fixing seat through fasteners and lifting rings.

2. The through-passage with a novel quick tightening mechanism according to claim 1, characterized in that: The main structures of the left rope and the right rope are the same, both including a pull rope, a protective cover, a front mounting shaft and a rear mounting shaft; a protective cover is provided on the outer sleeve of the middle part of the pull rope, a front mounting shaft is provided between the front end of the pull rope and the protective cover, and a rear mounting shaft is provided between the rear end of the pull rope and the protective cover; the pull rope can slide freely in the protective cover, the front mounting shaft and the rear mounting shaft; the protective cover is connected to the fixed side frame through a fixing frame; the interior of the front mounting shaft and the rear mounting shaft are both hollow structures, and threads are provided on the outside.

3. The through-passage with a novel quick tightening mechanism according to claim 1, characterized in that: A guide hole is arranged on the baffle; two coaxial grooved wheels parallel to each other are arranged in the tightener, and a torque input interface is also arranged on the tightener; mounting shaft fixing grooves are arranged on the No. 1 mounting seat, the No. 2 mounting seat and the No. 3 mounting seat; mounting holes are arranged on the baffle, the No. 1 mounting seat, the No. 3 mounting seat, the No. 4 fixing seat and the tightener.

4. The through-passage with a novel quick tightening mechanism according to claim 2, characterized in that: The main structure of the No. 1 mounting seat is the same as that of the No. 3 mounting seat, but the sizes are different; the front end of the pull rope of the left rope is connected to the upper part of the left groove wheel of the tensioner through the guide hole of the baffle; the front end of the pull rope of the right rope is connected to the lower part of the right groove wheel of the tensioner; the rear ends of the pull ropes of the left rope and the right rope pass through the protective cover, the front mounting shaft and the rear mounting shaft in turn, and are hingedly connected to the damper and one end of the limit rope through the clamping ring, and the other end of the damper and the limit rope is hingedly connected to the No. 4 mounting seat through fasteners and lifting rings; the front mounting shaft of the left rope is fixed in the mounting shaft fixing groove of the No. 1 mounting seat, the front mounting shaft of the right rope is fixed in the mounting shaft fixing groove of the No. 3 mounting seat, and the rear mounting shafts are fixed in the mounting shaft fixing groove of the No. 2 mounting seat at the most favorable force point for the sliding of the pull rope.

5. The through-passage with a novel quick tightening mechanism according to claim 2 or 4, characterized in that: The torque input interface of the tensioner can be rotated manually or driven by a portable electric drill; the front ends of the pull ropes of the left rope and the right rope are respectively wrapped around the upper and lower parts of the 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 the damper and one end of the limit rope through a clamp, and the other ends of the damper and the limit rope are hingedly connected to the No. 4 fixing seat through a fastener and a lifting ring. 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 can be stretched and retracted smoothly and avoiding accidental damage to the flexible body due to uneven force; the clamp can quickly connect and separate the pull rope from 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; the limit rope can prevent the through-channel from being over-stretched and damaging the flexible body when it is unwoven.

6. The through-passage with a novel quick tightening mechanism according to claim 1, characterized in that: The specifications of the left and right ropes are adjusted to meet the requirements of the gangway shape and deadweight.

7. The through-passage with a novel quick tightening mechanism according to any one of claims 2 to 4, characterized in that: When in use, the tensioner drives the pull rope to tighten and release the gangway, which meets the requirements of rapid tightening and releasing of the gangway, and at the same time has the function of stabilizing the gangway when unlocking.

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