Car coupler supporting device and car coupler

Abstract

The utility model relates to a car coupler supporting device and a car coupler, which comprise a first supporting piece, a second supporting piece and a third supporting piece, the second supporting piece is inserted into the anti-rotation groove and connected with the first supporting piece, and a connecting hole is formed in one end; the third supporting piece is connected with the second supporting piece through a height adjusting assembly, the height adjusting assembly comprises a connecting piece and a limiting piece, and the connecting piece penetrates through the third connecting piece and is inserted into the connecting hole to be connected with the second supporting piece; the limiting pieces are connected to the connecting piece and arranged on the two sides of the third supporting piece, and the elastic supporting piece is connected with the third supporting piece and the hook body and provides supporting force for the hook body. The first supporting piece, the second supporting piece and the third supporting piece are all connected in a split mode, the connecting mode is simple, assembling is easy, good maintainability is achieved, meanwhile, the supporting height of the elastic supporting piece in the vertical direction can be adjusted by adjusting the relative position of the limiting piece so as to be suitable for different coupler models, and good universality is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of train couplers, and in particular relates to a coupler supporting device and a coupler. Background Art

[0002] The coupler buffer is a safety-critical component that connects the train cars, transmitting longitudinal forces and allowing relative movement. To maintain a level coupler, an automatic coupler buffer typically incorporates a vertical support mechanism at the bottom of the coupler. This mechanism, comprised of vertical supports, transverse supports, and rubber supports, provides vertical support for the coupler.

[0003] Existing vertical support devices are usually of one-piece design. This one-piece structure has poor casting processability and low yield rate. In addition, when the longitudinal force of the train exceeds the overload force value, the flange of the coupler body collides with the vertical support member, breaking the vertical support member and continuing to push it backward, thereby achieving plastic deformation and energy absorption of the expansion tube. In this process, since the vertical support device is cast as one piece, the breaking mode is difficult to control, which affects the overload stroke of the coupler buffer and has an adverse effect on the longitudinal compression force during overload.

[0004] There are some designs for split vertical support devices in the prior art, but the existing split vertical support devices usually use welding to connect the vertical support members and the lateral support members. After welding, the spacing between the vertical support members and the height of the rubber support in the vertical support device are fixed, which is only applicable to fixed coupler models, has poor versatility, and is also difficult to maintain after the vertical support members are broken. Utility Model Content

[0005] The purpose of the present utility model is to solve one of the above-mentioned technical problems and to provide a coupler support device and a coupler, which connects the first support member and the second support member through a height adjustment component. The structure is simple and easy to install, and can meet the requirements of different vehicles for the coupler space structure.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A coupler supporting device, characterized by comprising:

[0008] A first support member, one end of which is rotatably connected to the hook body of the coupler and the other end of which is provided with an anti-rotation groove;

[0009] The second support member is vertically arranged, inserted into the anti-rotation groove and connected to the first support member, and has a connecting hole on the end surface of one end;

[0010] a third support member, disposed on one end of the second support member having the connecting hole;

[0011] A height adjustment assembly includes a connecting member and a limiting member, wherein the connecting member passes through the third connecting member and is inserted into the connecting hole to be movably connected to the second support member, and the limiting member is connected to the connecting member and includes at least two connecting members, which are distributed on both sides of the third support member to limit the position of the third support member in the axial direction of the connecting member;

[0012] The elastic support member is connected to the third support member and the hook body respectively, and is used to provide supporting force for the hook body.

[0013] In some embodiments of the present invention, a rotary assembly is further included, which includes a rotary connector and a rotating shaft; the rotating shaft is connected to the hook body, and the rotary connector is rotatably connected to the rotating shaft and is connected to the first connector.

[0014] In some embodiments of the present invention, a centering component is further included, which includes a centering action portion and a centering matching portion. The centering matching portion is installed on the hook body or hook tail of the coupler, and the centering action portion is in contact with the centering matching portion and is connected to the first support member.

[0015] In some embodiments of the present invention, a groove is formed on the centering fitting portion, and the centering action portion is connected to the groove of the centering fitting portion through a roller assembly.

[0016] In some embodiments of the present invention, the centering assembly is located above the first support member, or below the first support member.

[0017] In some embodiments of the present invention, the second support members include two, the two second support members are vertically arranged on both sides of the hook body, and are respectively connected to the third support member through two sets of height adjustment components.

[0018] In some embodiments of the present invention, the elastic support member includes a second elastic support portion and a first elastic support portion; the first elastic support portion is connected to the third support member, and the second elastic support portion is respectively connected to the first elastic support portion, the coupler body, and the second connecting member.

[0019] In some embodiments of the present invention, the end surface of the second elastic support portion close to the hook body is formed into an arc-shaped surface, and the shape of the arc-shaped surface matches the shape of the side wall of the hook body.

[0020] In some embodiments of the present invention, a reinforcement portion is further included, and the reinforcement portion is provided at the connection between the first support member and the second support member.

[0021] Some embodiments of the present invention further provide a coupler, comprising the above-mentioned coupler supporting device.

[0022] The beneficial effects of the present invention are:

[0023] 1. In the coupler support device provided by the present invention, a split structure is adopted between the first support member and the second support member. Under overload conditions, the second support member can be easily separated from the first support member by collision, without affecting the plastic deformation force of the expansion tube when the hook retreats, ensuring that the entire coupler energy absorption process meets the design requirements.

[0024] 2. When the second support member of the coupler support device provided by the present invention is broken or the internal thread at the bottom of the second support member is damaged, it can be repaired simply by replacing the second support member, which greatly improves the maintainability of the coupler support device.

[0025] 3. The second support member and the third support member of the utility model are connected by a height adjustment assembly. The support height of the elastic support member in the vertical direction can be adjusted by adjusting the relative positions between the limit members in the height adjustment assembly. It can be applied to different coupler models and has good versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 It is a structural schematic diagram of a coupler support device;

[0028] Figure 2 This is a schematic diagram of the structure when the centering assembly is arranged below the first support member;

[0029] Figure 3 A schematic diagram of the structure of the connection between the first support member, the second support member and the centering assembly;

[0030] Figure 4 It is a structural diagram of the cooperation between the coupler support device and the coupler;

[0031] Reference numerals:

[0032] 1. First support member; 11. Anti-rotation groove; 12. Reinforcement rib;

[0033] 2. Second support member; 21. Connecting section; 22. Connecting hole;

[0034] 3. The third support member;

[0035] 4. Height adjustment assembly; 41. Connecting piece; 42. Limiting piece;

[0036] 5. Elastic support member; 51. First elastic support portion; 52. Second elastic support portion;

[0037] 6. Rotary assembly; 61. Rotating shaft; 62. Rotary connecting piece;

[0038] 7. Centering assembly; 71. Centering action part; 72. Centering mating part;

[0039] 8. Hook body; 81. Hook body flange;

[0040] 9. Expansion tube. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is described and illustrated below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely used to explain this application and are not intended to limit this application. Based on the embodiments provided in this application, all other embodiments obtained by those of ordinary skill in the art without making any creative efforts are within the scope of protection of this application.

[0042] Obviously, the drawings described below are only some examples or embodiments of the present application. For ordinary technicians in this field, they can also apply the present application to other similar scenarios based on these drawings without any creative work.

[0043] The terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0044] Unless otherwise defined, technical or scientific terms used in this application shall have the ordinary meanings understood by persons of ordinary skill in the technical field to which this application belongs. The terms "a," "an," "an," and similar expressions used in this application do not indicate limitations on quantity and may refer to the singular or plural. The terms "include," "comprising," "having," and any variations thereof used in this application are intended to cover non-exclusive inclusions.

[0045] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0046] The technical solution of the present invention is described in detail below in conjunction with specific embodiments and the accompanying drawings.

[0047] As attached Figure 1 -Attached Figure 4 As shown, in an illustrative embodiment of a coupler support device of the present invention, the coupler support device includes a first support member 1, a second support member 2, a third support member 3, a height adjustment assembly 4 and a rubber support member.

[0048] Among them, the first support member 1 is arranged horizontally, and one end of the first support member 1 can be rotatably connected to the hook body 8 of the coupler and can rotate and swing together with the hook body 8. An anti-rotation groove 11 is opened on the top end surface of the other end.

[0049] The second support member 2 is vertically arranged. A connecting section 21 matching the shape and size of the anti-rotation groove 11 of the first support member 1 is provided at the bottom of the first support member 1. This connecting section 21 is inserted from top to bottom into the anti-rotation groove 11 and connected to the first support member 1. A connecting hole 22 is formed on the bottom end surface of the connecting section 21. This connecting hole 22 is a threaded hole, and a through hole is formed at the bottom of the anti-rotation groove 11 at a position corresponding to the connecting hole 22, communicating with the connecting hole 22. It should be noted that the cross-sectional shape of the anti-rotation groove 11 can be rectangular, diamond-shaped, elliptical, or any other irregular shape that effectively prevents the connecting section 21 from rotating within the anti-rotation groove 11, thereby effectively preventing relative rotation between the two support members after insertion. In practical applications, the structure in which the connecting section 21 is inserted from top to bottom into the anti-rotation groove 11 ensures that the first and second support members 1 and 2 remain connected even when the limit member 42 is released, due to the coupler's own gravity.

[0050] The third support member 3 is spaced apart from the second support member 2 at the bottom of the second support member 2, and is gradually connected to the second support member 2 through an adjustable bolt, for fixing the elastic support member 5 and providing an upward supporting force for the elastic support member 5, thereby enabling the elastic support member 5 to provide an upward supporting force for the hook body 8 of the coupler.

[0051] The elastic support member 5 is arranged below the third connecting member and the hook body 8, is fixedly connected to the third support member 3, and is in contact with the side wall of the hook body 8 to provide vertical support force for the hook body 8.

[0052] The height adjustment assembly 4 includes a connector 41 and a limiter 42. Specifically, the connector 41 is an adjustment bolt, and the limiter 42 is an adjustment nut. The connector 41 sequentially passes through the third connector, through the through hole at the bottom of the anti-rotation groove 11, and is inserted into the connection hole 22 of the second support member 2, where it is slidably connected to the second support member 2. The limiters 42 are connected to the connector 41 and include three. Two limiters 42 are provided on either side of the third support member 3 and are in contact with the third connector to limit the position of the third connector in the axial direction of the connector 41. One limiter 42 is provided at the bottom of the second support member 2. By adjusting the distance between the limiter 42 at the bottom of the second support member 2 and the limiters 42 on both sides of the third support member 3, the distance between the second support member 2 and the third support member 3 can be adjusted, that is, the vertical height of the third connector can be adjusted, thereby adjusting the vertical support height of the elastic support member 5 connected to the third support member 3. This makes the coupler support device provided by the present invention applicable to different coupler models and has good versatility.

[0053] In the coupler support device provided by the present invention, a split structure is adopted between the first support member 1 and the second support member 2, which can easily realize the collision separation of the second support member 2 and the first support member 1 under overload conditions, without affecting the plastic deformation force of the expansion tube 9 when the hook body 8 retreats, ensuring that the entire coupler energy absorption process meets the design requirements, and when the second support member 2 is broken or the internal thread at the bottom of the second support member 2 is damaged, it can be repaired by simply replacing the first support member 1, which greatly improves the maintainability of the coupler support device.

[0054] At the same time, since the second support member 2 and the third support member 3 are connected by the height adjustment component 4, when it is necessary to adapt to the hook body 8 of different diameters or there is a demand for space under the vehicle, the size of the second support member 2 can be changed to meet or the height of the third support member 3 can be adjusted to meet the design requirements of different couplers without the need to redesign and manufacture the coupler support device, which greatly reduces the processing volume and improves the design modularity level. After the first support member 1 and the second support member 2 adopt a split design, the weight of the entire coupler support structure can be reduced, and the weight of the entire hook is significantly reduced compared to the one-piece casting structure, thereby achieving a lightweight design.

[0055] In order to enable the first connecting member to be rotatably connected to the hook body 8 of the coupler, some embodiments of the present invention further include a rotating assembly 6, which includes a rotating shaft 61 and a circular rotating connecting member 62; wherein the rotating shaft 61 is fixedly connected to the bottom of the hook body 8, and the circular rotating connecting member 62 is sleeved on the outside of the rotating shaft 61 and can rotate around the rotating shaft 61. The end of the first connecting member away from the second connecting member is fixedly connected to the rotating connecting member 62, so that the first connecting member can rotate around the rotating shaft 61.

[0056] Some embodiments of the present invention further include a centering assembly 7, which includes a centering portion 71 and a centering mating portion 72. The centering mating portion 72 is mounted on the coupler shank 8 or the hook tail of the coupler. The centering portion 71 abuts against the centering mating portion 72 and is connected to the first support member 1. Specifically, in this embodiment, the centering mating portion 72 is a cam plate, which is directly or indirectly mounted and fixed to the hook tail. The centering portion 71 is a centering piston, which includes at least one piston cylinder.

[0057] In order to achieve the connection between the centering action part 71 and the centering matching part 72, in some embodiments of the present invention, the centering matching part 72 is provided with a groove, and a roller assembly is arranged between the centering action part 71 and the centering matching part 72. An elastic component or high-pressure gas is arranged inside the centering piston. The roller is continuously pushed by the elastic component or high-pressure gas, and cooperates with the groove of the cam plate to achieve the matching connection between the centering action part 71 and the centering matching part 72, and can provide a centering force for the hook body 8 during the swinging of the coupler support device with the hook body 8.

[0058] In some embodiments of the present invention, as shown in the attached Figure 1 -Attached Figure 2 As shown, the centering assembly 7 can be arranged above or below the first support member 1. When the centering assembly 7 is arranged above the first support member 1, casting is relatively simple. When the centering assembly 7 is arranged below the first support member 1, the length of the second support member 2 can be shortened, the weight of the coupler support device can be reduced, the installation height of the rubber support can be increased, and the structure of the entire coupler support device can be made more compact.

[0059] In order to further improve the stability of the coupler support, in some embodiments of the present invention, the second support members 2 include two, the two second support members 2 are relatively arranged on both sides of the hook body 8, and are respectively connected to the two ends of the length direction of the third support member 3 through two sets of height adjustment components 4, and the rubber support member is located between the two second support members 2.

[0060] Furthermore, in order to correspond to the two second support members 2 , the first support members 1 also include two. One end of the two first support members 1 is respectively connected to the two second support members 2 , and the other end is connected to the rotary connection member 62 .

[0061] To further enhance the stability of the coupler support, in some embodiments of the present invention, the elastic support member 5 includes a second elastic support portion 52 and a first elastic support portion 51. The first elastic support portion 51 is made of rubber, and its transverse interface is cylindrical. The bottom end face is fixedly connected to the third support member 3, and the top end face is connected to the second elastic support portion 52. The top of the second elastic support portion 52 is in contact with the hook body 8 of the coupler to directly provide support for the hook body 8. The two sides of the bottom length direction of the second elastic support portion 5 extend toward the two second support members 2, and the ends form U-shaped grooves that engage with the second support members 2 to enhance the stability of the connection of the elastic support member 5.

[0062] Furthermore, in order to better match the hook body 8 , the end surface of the second elastic support portion 52 close to the hook body 8 , ie, the top end surface, is formed into an arc-shaped surface, the shape of which matches the shape of the side wall of the hook body 8 .

[0063] In order to enhance the overall strength of the coupler support device, some embodiments of the present invention further include a reinforcement portion, which is provided at the connection between the first support member 1 and the second support member 2 .

[0064] The assembly process of the utility model is:

[0065] A groove with an anti-rotation structure is machined into the end of the first support member 1. During assembly, the second support member 2 is inserted into this groove and secured. Connecting member 41 passes from bottom to top through the third support member 3 and the first support member 1, and is screwed into the internally threaded hole at the bottom of the second support member 2 to secure it. After adjusting the position of stopper 42 and the height of elastic support member 5, tighten the assembly and apply torque to complete the process.

[0066] The action process of this utility model is:

[0067] When the coupler needs vertical support, the hook body 8 compresses the elastic support member 5 downward, and the elastic support member 5 transfers the vertical force to the connecting member 41. The thread of the connecting member 41 passes through the first support member 1 and is screwed into the internal thread of the second support member 2, transferring the vertical force to the second support member 2, and the second support member 2 transfers the vertical force to the first support member 1, thereby realizing vertical support.

[0068] When the coupler is subjected to a large force, the hook body 8 retreats and presses into the expansion tube 9, which plastically deforms to absorb energy to protect the vehicle body. When the flange of the hook body 8 contacts the second support member 2, since the second support member 2 and the first support member 1 are split structures, they can be separated by impact, thereby not affecting the plastic deformation force of the expansion tube 9, ensuring that the entire coupler energy absorption process meets the design requirements.

[0069] Some embodiments of the present invention further provide a coupler, comprising the above-mentioned coupler supporting device.

[0070] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0071] The above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention. They should all be included in the scope of the technical solution for which protection is requested in the present invention.

Claims

1. A coupler support device, characterized in that: include: A first support member, one end of which is rotatably connected to the hook body of the coupler and the other end of which is provided with an anti-rotation groove; A second support member is vertically arranged, inserted into the anti-rotation groove and connected to the first support member, and has a connecting hole on the end surface of one end; a third supporting member, provided at one end of the second supporting member having the connecting hole; A height adjustment assembly, comprising a connecting member and a limiting member, wherein the connecting member passes through the third support member and is inserted into the connecting hole to connect with the second support member, and the limiting member is connected to the connecting member and comprises at least two connecting members, which are distributed on both sides of the third support member to limit the position of the third support member in the axial direction of the connecting member; An elastic support member is connected to the third support member and the hook body respectively, and is used to provide supporting force for the hook body.

2. The coupler support device according to claim 1, characterized in that: It further includes a rotary assembly, which includes a rotary connector and a rotating shaft; the rotating shaft is connected to the hook body, and the rotary connector is rotatably connected to the rotating shaft and is connected to the first support member.

3. The coupler support device according to claim 1, characterized in that: It further includes a centering component, which includes a centering action part and a centering matching part. The centering matching part is installed on the hook body or hook tail of the coupler. The centering action part offsets the centering matching part and is connected to the first support member.

4. The coupler support device according to claim 3, characterized in that: The centering fitting portion is provided with a groove, and the centering action portion is connected to the groove of the centering fitting portion through a roller assembly.

5. The coupler support device according to claim 3 or 4, characterized in that: The centering assembly is located above the first support member, or below the first support member.

6. The coupler support device according to claim 1, characterized in that: The second support members include two, and the two second support members are vertically arranged on both sides of the hook body and are respectively connected to the third support member through two sets of height adjustment components.

7. The coupler support device according to claim 1, characterized in that: The elastic support member includes a first elastic support portion and a second elastic support portion; the first elastic support portion is connected to the third support member, and the second elastic support portion is respectively connected to the first elastic support portion, the coupler body, and the second support member.

8. The coupler support device according to claim 7, characterized in that: The end surface of the second elastic support portion close to the hook body is formed into an arc-shaped curved surface, and the shape of the arc-shaped curved surface matches the shape of the side wall of the hook body.

9. The coupler support device according to claim 1, characterized in that: It further includes a reinforcement portion, which is arranged at the connection between the first support member and the second support member.

10. A coupler, characterized in that: The coupler support device comprises the coupler support device according to any one of claims 1 to 9.

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