Railway vehicle coupler anti-disengaging hanging bracket and stopping device

Abstract

The utility model discloses a railway vehicle coupler anti-dropping hanging bracket and stop device, which belongs to the technical field of vehicle couplers, and comprises a coupler yoke, a bolt connected to the bottom of the coupler yoke, a coupler yoke pin positioned between the coupler yoke and the bolt, and a first roller sleeved on the bolt, and the coupler yoke is attached to the first roller; the stop device further comprises a first protection plate and a second protection plate which are symmetrically designed and fixed to the bottom of the coupler yoke, and the first protection plate and the second protection plate are attached to the outer side walls of the corresponding fixing lugs respectively. The bolt, the double-end threaded rod and the protruding plate on the coupler yoke are matched with one another, a mutual restriction whole is formed by means of the mechanical structure interlocking principle, it is guaranteed that no matter which double-end threaded rod or bolt is broken, the coupler yoke hook flat pin does not fall off, and the train separation accident is avoided, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vehicle coupler, and relates to a railway vehicle coupler anti-dropping hanger and stop device. BACKGROUND

[0002] A coupler refers to a hook at the two ends of a train car or a locomotive, which has the functions of connection, traction and buffering.

[0003] However, in the structure of the coupler of the railway vehicle, the hook tail pin and the bolt transversely arranged on the hook tail frame have relative displacement, and when the coupler is continuously stretched and compressed during the operation of the vehicle, the hook tail pin and the bolt transversely arranged on the hook tail frame are continuously rubbed, the bolt transversely arranged on the hook tail frame is abraded, and the contact part of the hook tail pin and the bolt is also abraded. SUMMARY

[0004] The utility model discloses at least one of the technical problems in the prior art.

[0005] The utility model discloses a railway vehicle coupler stop device.

[0006] Specifically, according to the railway vehicle coupler anti-dropping hanger of the first aspect of the utility model, the railway vehicle coupler anti-dropping hanger comprises a hook tail frame, a bolt connected to the bottom of the hook tail frame and a hook tail pin located between the hook tail frame and the bolt, and further comprises a first roller sleeved on the bolt, and the hook tail frame is attached to the first roller.

[0007] According to the railway vehicle coupler anti-dropping hanger of the utility model, at least the following

[0008] Beneficial effects:

[0009] The railway vehicle coupler anti-dropping hanger changes the sliding friction between the hook tail pin and the bolt into rotating friction through the rotating first roller, greatly reduces the friction coefficient, and improves the safety.

[0010] In order to facilitate fixation, preferably, the utility model also comprises fixing ears symmetrically arranged and fixed on the bottom of the hook tail frame, the bolt penetrates through the fixing ears and is fixed at one end through a first nut, and the first roller and the hook tail pin are located between the two fixing ears.

[0011] The railway vehicle coupler stop device according to the second aspect of the utility model, still include the first protection board and the second protection board of symmetrical design and all fixed in the bottom of the coupler tail frame, the first protection board and the second protection board respectively with corresponding the fixed lug outer lateral wall is pasted, the first protection board and the second protection board between the connection have double -end threaded rod, the double -end threaded rod both ends screw thread connection have the second nut, the double -end threaded rod is two for the symmetrical setting, two double -end threaded rod respectively with fixed lug both sides is pasted.

[0012] The railway vehicle coupler stop device according to the utility model embodiment, at least has following

[0013] Beneficial effects:

[0014] The railway vehicle coupler stop device, bolt and double-end threaded rod and protruding plate on the coupler tail frame are matched with each other, a mutual restraint whole is formed by using mechanical structure interlocking principle, ensure that no matter which double-end threaded rod or bolt appears fracture, train separation accident caused by coupler tail frame hook flat pin shedding will not appear, and safety is improved.

[0015] In order to improve safety, preferably, the double-end threaded rod is sleeved with a second roller, the second roller is located between the first protection plate and the second protection plate, and the second roller is attached to the coupler tail pin.

[0016] In order to prevent displacement, preferably, the fixed lug outer lateral wall on the side of the first protection plate is fixedly connected with a clamping block, and the side wall of the first protection plate is provided with a corresponding clamping hole.

[0017] Preferably, the outer lateral wall of the second protection plate is provided with a protruding plate, the double-end threaded rod penetrates the protruding plate, the second nut abuts against the protruding plate, and the first nut is located in the protruding plate.

[0018] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the utility model will become apparent and more readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0020] Figure 1 It is a kind of railway vehicle coupler anti-drop hanger structure schematic diagram;

[0021] Figure 2 It is a kind of railway vehicle coupler stop device structure schematic Figure 1 ;

[0022] Figure 3Structure diagram of a railway vehicle coupler stop device Figure 2 ;

[0023] Figure 4 Structure diagram of a railway vehicle coupler stop device.

[0024] Fig. 1 is a hook tail frame; 101 is a hook tail pin; 2 is a fixed lug; 201 is a bolt; 202 is a first roller; 203 is a first nut; 204 is a first non-slip pad; 3 is a first protective plate; 301 is a second protective plate; 4 is a clamping block; 5 is a protruding plate; 6 is a double-headed threaded rod; 601 is a second nut; 602 is a second roller; 603 is a second non-slip pad. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0026] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0027] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0028] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0029] Example 1

[0030] Reference Figures 1-4The invention discloses a railway vehicle coupler anti-dropping hanger, which comprises a coupler yoke (1), a bolt (201) connected to the bottom of the coupler yoke (1), a coupler yoke pin (101) between the coupler yoke (1) and the bolt (201), a first roller (202) sleeved on the bolt (201), and the coupler yoke (1) is attached to the first roller (202).

[0031] The invention further comprises fixed ears (2) symmetrically designed and fixed to the bottom of the coupler yoke (1), the bolt (201) penetrates through the fixed ears (2) and is fixed at one end by a first nut (203), the first roller (202) and the coupler yoke pin (101) are both located between the two fixed ears (2).

[0032] The first roller (202) has a 6mm gap between the two ends and the fixed ears (2), which ensures that the steel sleeve can rotate freely.

[0033] During operation, when the coupler yoke pin (101) moves horizontally, it comes into contact with the first roller (202), driving the first roller (202) to rotate on the bolt (201), and changing the sliding friction between the coupler yoke pin (101) and the bolt (201) into rotational friction, reducing the friction coefficient and preventing the coupler yoke pin (101) and the bolt (201) from breaking due to long-term friction, thereby improving safety.

[0034] Embodiment 2:

[0035] Reference Figures 1-4 Based on embodiment 1, further,

[0036] The invention further discloses a railway vehicle coupler stop device, which comprises first and second protective plates (3, 301) symmetrically designed and fixed to the bottom of the coupler yoke (1), the first and second protective plates (3, 301) are attached to the outer sidewalls of the corresponding fixed ears (2), a double-headed threaded rod (6) is connected between the first and second protective plates (3, 301), second nuts (601) are threadedly connected to the two ends of the double-headed threaded rod (6), the double-headed threaded rod (6) is symmetrically designed, and the two double-headed threaded rods (6) are attached to the two sides of the fixed ears (2).

[0037] The first and second protective plates (3, 301) at the bottom of the coupler yoke (1) and the two double-headed threaded rods (6) connecting the first and second protective plates (3, 301) ensure that even if one of the double-headed threaded rods (6) or the bolt (201) breaks, the coupler yoke pin will not fall off, preventing train separation accidents and improving safety.

[0038] Second anti-slip pads (603) are sleeved on the two ends of the double-headed threaded rod (6), and the second anti-slip pads (603) are attached to the second nuts (601).

[0039] Embodiment 3:

[0040] Reference Figures 1-4On the basis of embodiment 2, further is

[0041] The double-threaded rod 6 is sleeved with a second roller 602, which is located between the first protective plate 3 and the second protective plate 301, and the second roller 602 is in close contact with the trunnion 101.

[0042] The second roller 602 rotates freely on the double-threaded rod 6, and there is a gap of 6-12 mm between the two ends of the second roller 602 and the first protective plate 3 or the second protective plate 301.

[0043] By the close contact between the second roller 602 and the trunnion 101, a supporting force is provided to reduce the acting force between the first roller 202 and the trunnion 101, so that the acting force is shared and the wear is reduced.

[0044] The fixed lug 2 located on one side of the first protective plate 3 is fixedly connected with a clamping block 4 on the outer side wall, and the side wall of the first protective plate 3 is provided with a corresponding clamping hole.

[0045] Through the clamping block 4 and the clamping hole, the displacement of the entire device can be effectively prevented.

[0046] The outer side wall of the second protective plate 301 is provided with a raised plate 5, the double-threaded rod 6 penetrates through the raised plate 5, the second nut 601 abuts against the raised plate 5, and the first nut 203 is located in the raised plate 5.

[0047] The raised plate 5 is raised in the middle, the first nut 203 is located in the raised portion, the first nut 203 abuts against the inner wall at the raised portion, the rotation of the first nut 203 is limited, the purpose of preventing falling is achieved, and the safety is further ensured.

[0048] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A railway vehicle coupler anti-drop hanger, comprising a coupler frame (1), a bolt (201) connected to the bottom of the coupler frame (1), and a coupler pin (101) located between the coupler frame (1) and the bolt (201), characterized in that: It also includes a first roller (202) sleeved on the bolt (201), and the hook tail frame (1) is in contact with the first roller (202).

2. The anti-fall-off hanger according to claim 1, characterized in that: It also includes fixing ears (2) which are symmetrically arranged and fixed to the bottom of the hook tail frame (1).

3. The anti-fall-off hanger according to claim 2, characterized in that: The bolt (201) passes through the fixing ears (2) and one end thereof is fixed by a first nut (203); the first roller (202) and the hook tail pin (101) are both located between the two fixing ears (2).

4. A railway vehicle coupler stop device, comprising the anti-drop hanger according to claim 3, characterized in that: It also includes a first protective plate (3) and a second protective plate (301) of symmetrical design and both fixed to the bottom of the hook tail frame (1).

5. The stopping device according to claim 4, characterized in that: The first protective plate (3) and the second protective plate (301) are respectively attached to the outer side walls of the corresponding fixing ears (2).

6. The stopper device according to claim 5, characterized in that: A double-headed threaded rod (6) is connected between the first protective plate (3) and the second protective plate (301), and second nuts (601) are threadedly connected at both ends of the double-headed threaded rod (6).

7. The stopper device according to claim 6, characterized in that: There are two double-ended threaded rods (6), which are symmetrically arranged. The two double-ended threaded rods (6) are respectively attached to both sides of the fixing ear (2).

8. The stopping device according to claim 6, characterized in that: A second roller (602) is sleeved on the double-headed threaded rod (6), the second roller (602) is located between the first protective plate (3) and the second protective plate (301), and the second roller (602) is in contact with the hook tail pin (101).

9. The stopping device according to claim 4, characterized in that: A clamping block (4) is fixedly connected to the outer side wall of the fixing ear (2) located on one side of the first protective plate (3), and a corresponding clamping hole is provided on the side wall of the first protective plate (3).

10. The stopping device according to claim 6, characterized in that: A raised plate (5) is provided on the outer side wall of the second protective plate (301), the double-headed threaded rod (6) passes through the raised plate (5), the second nut (601) abuts against the raised plate (5), and a first nut (203) is provided inside the raised plate (5).

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