FHBE car coupler

By introducing elasticity and buffering mechanisms into the FHBE coupler, the problem of coupler head wear was solved, achieving the effects of reducing frictional noise and improving operational stability.

CN223672522UActive Publication Date: 2025-12-16SHAANXI HAIDUO RAILWAY TECH DEV CO LTD
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Patent Information

Application Number
CN202520149513.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-16
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing FHBE couplers are prone to wear on the coupler head during use, which affects their service life.

Method used

An FHBE coupler was designed, comprising a hook body, hook tongue, pin, elastic mechanism, and buffer mechanism. The elastic mechanism reduces the lateral clearance and sway of the hook tongue, the buffer mechanism reduces metal friction and noise, and the hook tail pin hole is changed to a circular structure to reduce longitudinal impact.

Benefits of technology

It effectively reduces friction and noise between the hook tongue and the hook body, improves the smoothness and safety of vehicle operation, and extends the service life of the coupler.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an FHBE car coupler, which relates to the technical field of railway vehicles, and comprises an elastic mechanism arranged on a pin shaft and connected with a coupler knuckle; the buffering mechanism is arranged on one side of the edge of the end, away from the coupler tail, of the coupler head, and the buffering mechanism is used for abutting against the coupler head of an opposite vehicle. According to the utility model, the elastic mechanism is arranged on the pin shaft and is respectively propped against the coupler head and the coupler knuckle, so that the transverse gap and the shaking quantity of the coupler knuckle are reduced, and the tight contact between the coupler knuckles and the tight contact between the coupler knuckles and the coupling contour of the coupler knuckle and the coupler body in the operation process are ensured; wherein after two vehicles are coupled, the arranged buffer mechanism is in contact with the metal impact table of the object coupler to bear part of impact and friction between coupler surfaces, so that friction between metal and metal can be effectively reduced, and noise is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the rail vehicle technical field, concretely relates to a kind of FHBE car coupler. BACKGROUND

[0002] FHBE car coupler is a kind of car coupler, it is mainly composed of hook body mechanism, connection and locking mechanism, wherein car coupler is installed at the both ends of vehicle and is used to realize the connection between locomotive and vehicle or adjacent two vehicles, to transmit traction and impact force.China patent (announcement number CN 11289622B) discloses car coupler and car coupler die, car coupler includes hook body, hook tongue and pin shaft, hook body includes hook head, hook body and hook tail, hook tongue is rotatably connected on hook head by pin shaft, before the connection between car coupler and opposite car coupler, make hook tongue rotate outward around pin shaft to open car coupler, after the butt joint between car coupler and opposite car coupler, make hook tongue rotate inward around pin shaft to lock car coupler, to realize the connection between locomotive and vehicle or vehicle and vehicle, but, in the use process, it is easy to cause the abrasion of hook head, so that influence its use.Therefore, the utility model provides a kind of FHBE car coupler to improve the above problems. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect that the hook head is easily abraded in the use process of the FHBE car coupler in the prior art, so as to provide a kind of FHBE car coupler.

[0004] In order to solve the above problems, the utility model provides a kind of FHBE car coupler, which comprises:

[0005] hook body, hook tongue and pin shaft, the hook body includes hook head, hook body and hook tail, the both ends of the hook body are sequentially connected with the hook head and the hook tail, the hook tongue is rotatably connected on the hook head by the pin shaft, and further comprises:

[0006] elastic mechanism, the elastic mechanism is arranged on the pin shaft and connected with the hook tongue;

[0007] buffer mechanism, which is arranged on one side of the edge of the hook head away from the hook tail, the buffer mechanism is used for abutting against the hook head of the opposite vehicle.

[0008] Preferably, the elastic mechanism comprises a torsional spring, one end of the torsional spring abuts against the hook head, the hook tongue is provided with a mounting hole close to the torsional spring, and the other end of the torsional spring is detachably connected with the mounting hole.

[0009] Preferably, the hook head is provided with a positioning groove and a positioning block at the edge of the one end away from the hook tail, respectively, the hook heads of two adjacent car couplings are detachably connected through the positioning groove and the positioning block, the hook head at the two sides of the positioning block is provided with an assembly hole, the two end faces of the hook head are provided with a positioning groove close to the assembly hole, the assembly hole and the positioning groove are communicated, and a cover plate is arranged on the positioning groove.

[0010] A communication hole is further arranged at one side opposite to the positioning groove and the assembly hole, and the communication hole, the positioning groove and the assembly hole are communicated.

[0011] Preferably, the buffer mechanism comprises a bolt, a wear plate and a nut, the bolt and the nut are screwed, the bolt passes through the assembly hole, the positioning groove and the communication hole in sequence, a pair of spring pads and a first spring are arranged in the positioning groove, the first spring is arranged between the spring pads, the spring pads abut against the two inner side walls of the positioning groove, respectively, the wear plate is arranged on the bolt, the wear plate is arranged outside the positioning groove and the wear plate is clamped with the assembly hole.

[0012] A second spring, a bolt pad and a split pin are further arranged on the bolt, the bolt pad and the second spring are arranged between the nut and the communication hole, respectively, and the two ends of the second spring abut against the bolt pad and the hook head at the edge of the communication hole, respectively, and the split pin is arranged at the one end of the nut away from the bolt pad.

[0013] Preferably, the hook tail is provided with a hook tail hole, the shape of the hook tail hole is circular, and sharp surfaces are arranged at the edges of the two ends of the hook tail hole.

[0014] The FHBE car coupling provided by the utility model has the following beneficial effects:

[0015] 1. The elastic mechanism is arranged on the pin shaft, and abuts against the hook head and the knuckle, so that the transverse gap and the shaking amount of the knuckle are reduced, and the close contact between the knuckle and the knuckle and between the knuckle and the hook body in the running process is ensured; wherein, the buffer mechanism is arranged to contact the metal impact platform of the object car coupling after the two vehicles are coupled, bears part of the impact and the friction between the car coupling surfaces, can effectively reduce the friction between the metals and reduce the noise.

[0016] 2. The utility model discloses still through torsion spring one end abuts and hooks the head, and the other end and the mounting hole of hook tongue are connected, make the lateral gap and the shaking amount of hook tongue reduce, ensure the operation process hook tongue and hook tongue, hook tongue and hook body linkage profile close contact, further reduce the link gap between two car couplings, can ensure the flexible impact in the process of car coupling linkage, reduce the impact, can make the hook tongue keep open state after the car coupling, and the car coupling is more easily linked when marshalling or shunting;

[0017] 3. The utility model discloses still through in order to reduce longitudinal impact and operating noise, change the hook tail pin hole into circular structure, and increase the draft slope at both ends, reduce the impact gap on the basis of guaranteeing the vertical swing angle of car coupling, improve the stability of vehicle operation, reduce the impact, improve the safety and service life of vehicle operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the assembly three-dimensional structure schematic diagram of the utility model;

[0019] Fig. 2 It is the assembly hole structure installation schematic drawing of the utility model;

[0020] Fig. 3 It is the bolt structure installation schematic drawing of the utility model.

[0021] The figure mark shows as follows:

[0022] 1, hook tongue;2, pin shaft;3, hook head;4, hook body;5, hook tail;6, torsion spring;8, alignment groove;9, alignment block;10, assembly hole;11, positioning groove;12, cover plate;13, communication hole;14, bolt;15, wear plate;16, nut;17, spring pad;18, first spring;19, second spring;20, bolt pad;21, cotter pin;22, hook tail hole. DETAILED DESCRIPTION

[0023] As Figs. 1-3 The utility model provides a kind of FHBE car coupling, it includes: hook body, hook tongue 1 and pin shaft 2, the hook body includes: hook head 3, hook body 4, hook tail 5, the both ends of the hook body 4 are sequentially connected the hook head 3 and the hook tail 5, the hook tongue 1 is rotationally connected on the hook head 3 by the pin shaft 2, further include: elastic mechanism, the elastic mechanism is set on the pin shaft 2 and is connected the hook tongue 1;Buffer mechanism is set to one side for the edge of the hook head 3 away from the hook tail 5, and the buffer mechanism is used to abut the hook head 3 of opposite vehicle. As Figs. 1-3As shown, a kind of FHBE car coupler, when two opposite vehicles approach, the connection of two opposite vehicles is carried out using two coupler knuckles 1, pin shaft 2 holes are provided on the coupler knuckle 1, two opposite coupler knuckle 1 ears are provided on the hook head 3, opposite connecting holes are provided on the two coupler knuckle 1 ears, one end of the pin shaft 2 hole of the coupler knuckle 1 is inserted between the two coupler knuckle 1 ears, and the pin shaft 2 hole is aligned with the connecting hole on the coupler knuckle 1 ear, the pin shaft 2 is arranged in the connecting hole and the pin shaft 2 hole, so that the coupler knuckle 1 is rotatably connected with the hook head 3, and the coupler knuckle 1 rotates around the pin shaft 2 relative to the hook head 3 to lock or release the car coupler with the opposite car coupler;Wherein, the elastic mechanism is arranged on the pin shaft 2, and the elastic mechanism abuts against the hook head 3 and the coupler knuckle 1 respectively, so that the lateral gap and the shaking amount of the coupler knuckle 1 are reduced, and it is ensured that the coupler knuckle 1 and the coupler knuckle 1 are in close contact during operation, and the coupler knuckle 1 and the coupler knuckle 1 are in close contact during operation. The profile of the coupler body is in close contact;Wherein, the buffer mechanism is arranged to contact the metal impact platform of the object car coupler after the two vehicles are coupled, bear part of the impact and the friction between the car coupler surfaces, can effectively reduce the friction between the metal and the metal, and reduce the noise.

[0024] In some embodiments, the elastic mechanism includes: a torsional spring 6, one end of the torsional spring 6 abuts against the hook head 3, the coupler knuckle 1 is provided with a mounting hole close to the torsional spring 6, and the other end of the torsional spring 6 is detachably connected with the mounting hole. Figs. 1-3 As shown, the torsional spring 6 is commercially available, one end of the torsional spring 6 abuts against the hook head 3, and the other end is clamped with the mounting hole of the coupler knuckle 1, so that the lateral gap and the shaking amount of the coupler knuckle 1 are reduced, and it is ensured that the coupler knuckle 1 and the coupler knuckle 1 are in close contact during operation, and the coupler knuckle 1 and the coupler knuckle 1 are in close contact during operation. The profile of the coupler body is in close contact;Further reduce the coupling gap between the two car couplers, so as to ensure that the car coupler is flexible during coupling, reduce the impact, and at the same time, the coupler knuckle 1 can remain in the open state after uncoupling, so that the car coupler is more easily coupled during marshalling or shunting, wherein one end of the torsional spring 6 is connected with the hook head 3 and fixed on the car coupler, the other end of the torsional spring 6 is inserted into the coupler knuckle 1, when the coupler knuckle 1 is in the locked position, the torsional spring 6 can provide a larger reset torque, so that the coupler knuckle 1 always has a tendency to rotate outward, reducing the gap between the two car couplers after coupling;When the coupler knuckle 1 is in the unlocked position, under the action of the reset torque, the coupler knuckle 1 can be easily rotated to the fully open position, improving the uncoupling efficiency.

[0025] In some embodiments, the hook head 3 is provided with a positioning groove 8 and a positioning block 9 at the edge of one end of the hook tail 5, respectively, and the hook head 3 of two adjacent couplers can be detachably connected through the positioning groove 8 and the positioning block 9. The hook head 3 at both sides of the positioning block 9 is provided with an assembly hole 10, and the two end faces of the hook head 3 are provided with a positioning groove 11 near the assembly hole 10. The assembly hole 10 and the positioning groove 11 are communicated, and the positioning groove 11 is provided with a cover plate 12. As shown in Figs. 1-3 the figure, when the two couplers are connected, the opposite positioning block 9 abuts the positioning groove 8, and the positioning block 9 abuts the opposite positioning groove 8, so that the connection between the couplers 1 and the couplers 1 can be smoothly carried out. The assembly hole 10, the positioning groove 11 and the communication hole 13 are communicated, so that the buffer mechanism can pass through, facilitating the installation of the buffer mechanism. The cover plate 12 provided on the positioning groove 11 is used for protecting the inside of the positioning groove 11, and the connection can be bonding, bolt 14 connection or clamping.

[0026] In some embodiments, the buffer mechanism comprises a bolt 14, a wear plate 15 and a nut 16. The bolt 14 and the nut 16 are screwed, the bolt 14 passes through the assembly hole 10, the positioning groove 11 and then passes out of the communication hole 13 in sequence, and the bolt 14 is provided with a pair of spring pad plates 17 and a first spring 18 in the positioning groove 11. The first spring 18 is arranged between the spring pad plates 17, and the spring pad plates 17 abut the two inner side walls of the positioning groove 11, respectively. The wear plate 15 is arranged on the bolt 14, and the wear plate 15 is located outside the positioning groove 11 and is clamped with the assembly hole 10. The bolt 14 is also provided with a second spring 19, a bolt pad plate 20 and a split pin 21. The bolt pad plate 20 and the second spring 19 are located between the nut 16 and the communication hole 13, respectively, and the two ends of the second spring 19 abut the bolt pad plate 20 and the hook head 3 at the edge of the communication hole 13, respectively. The split pin 21 is located at one end of the nut 16 away from the bolt pad plate 20. As shown in Figs. 1-3As shown in the figure, the material of the wear plate 15 is nylon, the nut 16 and the bolt 14 connect a pair of spring pads 17, the first spring 18, the second spring 19 and the bolt pad 20 together, the end is connected by the cotter pin 21, the cotter pin 21 is used for threaded connection anti-loose, after the nut 16 is tightened, the cotter pin 21 is inserted into the slot of the nut 16 and the hole of the bolt 14 tail, and the tail of the cotter pin 21 is pulled open to prevent the relative rotation of the nut 16 and the bolt 14, wherein the two ends of the first spring 18 abut against a pair of spring pads 17, and the two ends of the spring pad 17 abut against the two inner side walls of the positioning groove 11 close to the communication hole 13 and the assembly hole 10 respectively, wherein the wear plate 15 and the assembly hole 10 are clamped, and one end of the wear plate 15 abuts against the spring pad 17 close to the assembly hole 10 after passing through the assembly hole 10, when the wear plate 15 and the bolt 14 are subjected to opposite impact force, the wear plate 15 moves into the assembly hole 10 until the wear plate 15 abuts against the edge of the assembly hole 10 to form clamping, when the wear plate 15 drives the spring pad 17 to move, the spring pad 17 and the first spring buffer it; wherein the second spring 19 of the bolt 14 and the bolt pad 20 buffer the bolt 14 when it is not stressed, after the two couplers are connected, it contacts the metal impact platform of the object coupler, bears part of the impact and the friction between the coupler surface, can effectively reduce the friction between the metal and the metal, reduce the noise, wherein the first spring 18 and the second spring 19 are commercially available, which bear part of the longitudinal impact force after the coupler is connected, reduce the impact vibration after the coupler collision.

[0027] In some embodiments, the hook tail 5 is provided with a hook tail hole 22, the shape of the hook tail hole 22 is circular, and the edges of the two ends of the hook tail hole 22 are provided with sharpened surfaces. Figs. 1-3 As shown in the figure, the hook tail hole 22 of the standard F hook is an elliptical structure, after the hook tail 5 pin is installed, the longitudinal gap is 19.8mm, in order to reduce the longitudinal impact and running noise, the pin hole of the hook tail 5 is changed to a circular structure, and draft angles are added at both ends, on the basis of ensuring the vertical swing angle of the coupler, the impact gap is reduced to 2mm, which greatly improves the stability of vehicle operation, reduces the impact, improves the safety and service life of vehicle operation.

[0028] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above only describes the preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principle of the present application, a number of improvements and modifications can be made, which should be regarded as the protection scope of the present application.

Claims

1. An FHBE coupler comprising a coupler body, a knuckle, and a pin, the coupler body comprising: The hook head, the hook body, the hook tail, the two ends of the hook body are connected in turn with the hook head and the hook tail, the shank is rotatably connected with the hook tongue, characterized by further comprising: The elastic mechanism is arranged on the pin shaft and connected with the hook tongue; The buffer mechanism is arranged on one side of the edge of the hook head away from the hook tail, and the buffer mechanism is used for abutting against the hook head of the opposite vehicle.

2. The FHBE coupler according to claim 1, characterized in that: The elastic mechanism comprises a torsion spring, one end of the torsion spring abuts against the hook head, the hook tongue is provided with a mounting hole close to the torsion spring, and the other end of the torsion spring is detachably connected with the mounting hole.

3. The FHBE coupler according to claim 1, characterized in that: The edge of the hook head away from the hook tail is respectively provided with a positioning groove and a positioning block, the hook heads of two adjacent couplers are detachably connected through the positioning groove and the positioning block, the hook head at the two sides of the positioning block is provided with an assembly hole, the two end faces of the hook head are provided with a positioning groove close to the assembly hole, the assembly hole and the positioning groove are communicated, and a cover plate is arranged on the positioning groove. A communication hole is further arranged on the side opposite to the positioning groove and the assembly hole, and the communication hole, the positioning groove and the assembly hole are communicated.

4. The FHBE coupler according to claim 3, characterized in that: The buffer mechanism comprises a bolt, a wear plate and a nut, the bolt and the nut are screwed, the bolt passes through the assembly hole, the positioning groove and then passes out of the communication hole in turn, the bolt is provided with a pair of spring pads and a first spring in the positioning groove, the first spring is arranged between the spring pads, the spring pads abut against the two inner side walls of the positioning groove respectively, the wear plate is arranged on the bolt, the wear plate is located outside the positioning groove and is clamped with the assembly hole; The bolt is further provided with a second spring, a bolt pad and a split pin, the bolt pad and the second spring are located between the nut and the communication hole respectively, the two ends of the second spring abut against the bolt pad and the hook head at the edge of the communication hole respectively, and the split pin is located at the end of the nut away from the bolt pad.

5. The FHBE coupler according to claim 1, characterized in that: The hook tail is provided with a hook tail hole, the shape of the hook tail hole is circular, and sharp surfaces are arranged at the two end edges of the hook tail hole.