CN214450975U - Side buffer and rail train - Google Patents

Side buffer and rail train Download PDF

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Publication number
CN214450975U
CN214450975U CN202120553064.XU CN202120553064U CN214450975U CN 214450975 U CN214450975 U CN 214450975U CN 202120553064 U CN202120553064 U CN 202120553064U CN 214450975 U CN214450975 U CN 214450975U
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China
Prior art keywords
cylinder
barrel
hole
pull rod
side buffer
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CN202120553064.XU
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Chinese (zh)
Inventor
于海龙
王晓龙
陈龙
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CRRC Qiqihar Rolling Stock Co Ltd
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CRRC Qiqihar Rolling Stock Co Ltd
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Priority to CN202120553064.XU priority Critical patent/CN214450975U/en
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Abstract

The utility model provides a side buffer and rail train, through including first barrel, second barrel and locating part, a telescopic cover of second barrel is established outside the first end of first barrel, and the second barrel is stretched out to the second end of first barrel, and when the terminal surface that the second end of first barrel was kept away from to the second barrel received the impact force of another automobile body, the second barrel was compressed outside first barrel to cushion external impact force. The limiting piece is located between the outer side wall of the first barrel and the inner side wall of the second barrel and used for preventing the second barrel from rotating outside the first barrel. The abrasion of the first cylinder and the second cylinder due to the rotation friction acceleration can be avoided, and the buffering stability of the side buffer is ensured. Therefore, the utility model provides a side buffer and rail train, when having solved second barrel and first barrel relative axial concertina movement, take place to rotate between second barrel and the first barrel, has reduced the technical problem of side buffer's buffering stability.

Description

Side buffer and rail train
Technical Field
The embodiment of the utility model provides a relate to rail train technical field, especially relate to a side buffer and rail train.
Background
The rail train has great advantages in the aspect of cargo circulation as a clean and efficient transportation organization mode. The domestic demand for railway freight is increasing and consequently the demand for rail trains is also increasing. Among them, the side buffers are components on the rail train, and are often provided at both lateral sides of the end of the vehicle for transmitting and buffering the impact force between the vehicles.
Currently, a side buffer includes an end cap cylinder and a base cylinder, where the end cap cylinder is telescopically inserted into the base cylinder along an axial direction of the base cylinder.
However, when the end cover cylinder extends and retracts in the base cylinder, the end cover cylinder rotates in the base cylinder, and the buffering stability of the side buffer is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a side buffer and rail train to when solving the end cover barrel and stretch out and draw back the motion in the base barrel, the end cover barrel has reduced the technical problem of side buffer's buffering stability in the base barrel internal rotation.
An embodiment of the utility model provides a side buffer, include: the first barrel, the second barrel and the limiting part, wherein one end of the second barrel is sleeved outside the first end of the first barrel in a telescopic mode, the second end of the first barrel extends out of the second barrel, the limiting part is located between the outer side wall of the first barrel and the inner side wall of the second barrel, and the limiting part is used for preventing the second barrel from rotating outside the first barrel.
So set up, through set up the locating part between the lateral wall at first barrel and second barrel, prevent to rotate between first barrel and the second barrel to guarantee the buffering stability of side buffer.
In some embodiments which may include the above embodiments, the outer side wall of the first cylinder has a groove, the inner side wall of the second cylinder has a chute, the groove is disposed opposite to a part of the chute, one side of the limiting member is located in the groove, the other side of the limiting member extends into the chute, and one end of the chute facing the second end of the first cylinder is open, and the opening is used for allowing the limiting member to slide into the chute.
In some embodiments, which may include the above embodiments, further comprising: the pull rod, the terminal surface of the first end of first barrel is equipped with the opening, is equipped with first through-hole on the terminal surface of the second end of first barrel, and the second barrel deviates from and is equipped with the second through-hole on the terminal surface of the second end of first barrel, and the pull rod is worn to locate in first through-hole, opening and the second through-hole.
In some embodiments that may include the above embodiments, a surface of the second through hole that faces away from the second end of the first cylinder is provided with an accommodating groove, the accommodating groove is communicated with the second through hole, and the accommodating groove is used for accommodating the head of the pull rod.
In some embodiments, which may include the above embodiments, the container further includes an end cap, and the end cap is disposed in the receiving groove.
In some embodiments which may include the above embodiments, an outer wall of the second end of the first cylinder protrudes toward the second cylinder to form an accommodating space, the first through hole is located on an end surface of the accommodating space, and an end of the pull rod, which is away from the head of the pull rod, extends into the accommodating space from the first through hole.
In some embodiments, which may include the above embodiments, the pull rod further includes a rod body, a diameter of the rod body is smaller than a diameter of the head of the pull rod, one end of the rod body is connected to the head of the pull rod, the other end of the rod body passes through the first through hole, the opening and the second through hole, and an external thread is arranged at an end of the rod body, which is far away from the head of the pull rod.
In some embodiments, which may include the above embodiments, the second end of the first barrel is encircled by a first flange;
and/or a second flange is annularly arranged at one end of the second cylinder body, which is far away from the second end of the first cylinder body.
In some embodiments, which may include the above embodiments, the apparatus further includes an elastic element, one end of the elastic element abuts against an inner wall of the first cylinder near the second end, and the other end of the elastic element abuts against an inner wall of the second cylinder opposite to the first end of the first cylinder.
Additionally, the embodiment of the utility model provides a still provide a rail train, include at least: a plurality of vehicle bodies and a plurality of side buffers in the above embodiments, and a side buffer is provided between two adjacent vehicle bodies.
The embodiment of the utility model provides a side buffer and rail train, through including first barrel, second barrel and locating part, a telescopic cover of second barrel is established outside the first end of first barrel, and the second barrel is stretched out to the second end of first barrel, and when the terminal surface that the second end of first barrel was kept away from to the second barrel received the impact force of another automobile body, the second barrel was compressed outside first barrel to cushion external impact force. The limiting piece is located between the outer side wall of the first barrel and the inner side wall of the second barrel and used for preventing the second barrel from rotating outside the first barrel. The abrasion of the first cylinder and the second cylinder due to the rotation friction and acceleration is avoided, and the buffering stability of the side buffer is guaranteed. Therefore, the side buffer and the rail train provided by the embodiment solve the technical problem that when the second cylinder and the first cylinder perform relative axial telescopic motion, the second cylinder and the first cylinder rotate to reduce the buffer stability of the side buffer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is easy to see that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of a side bumper according to an embodiment of the present invention;
fig. 2 is a structural diagram of a first cylinder in the side buffer provided in the embodiment of the present invention;
fig. 3 is a structural diagram of a middle second cylinder of the side buffer according to the embodiment of the present invention;
fig. 4 is a cross-sectional view of a first cylinder of a side bumper provided in an embodiment of the present invention;
fig. 5 is a cross-sectional view of a middle second cylinder of the side bumper provided in the embodiment of the present invention;
fig. 6 is a structural diagram of a middle position limiting element of a side buffer according to an embodiment of the present invention.
Description of reference numerals:
10: a first cylinder;
20: a second cylinder;
30: a limiting member;
40: a pull rod;
50: an end cap;
60: an elastic element;
101: a groove;
102: an opening;
103: a first through hole;
104: an accommodating space;
105: a first flange;
201: a chute;
202: opening the mouth;
203: a second through hole;
204: a containing groove;
205: a second flange.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The rail train has great advantages in the aspect of cargo circulation as a clean and efficient transportation organization mode. The domestic demand for railway freight is increasing and consequently the demand for rail trains is also increasing. Among them, the side buffers are important parts of the rail train, and are often disposed on both sides of the end faces of the cross members at the ends of the vehicles to transmit and cushion the impact force between the vehicles.
In the related art, the side buffer includes an end cover cylinder and a base cylinder, one end of each of the end cover cylinder and the base cylinder is open, and the open end of the end cover cylinder is telescopically inserted into the base cylinder. The end cover cylinder and the base cylinder are surrounded to form an accommodating cavity, and an elastic element is arranged in the accommodating cavity. Impact force among the vehicle bodies is transmitted to the end cover cylinder, the elastic element, the base cylinder and the vehicle body end beam in sequence, and the impact force is relieved through compression of the elastic element. The end beam between two adjacent vehicle bodies can be provided with side buffers, two side buffers are arranged on two sides of the end surface of one vehicle body end beam, the other two side buffers are arranged on two sides of the end surface of the other vehicle body end beam, and the side buffer of one vehicle body is arranged opposite to the side buffer of the other vehicle body to form two pairs of side buffers.
However, when the end cover cylinder extends and retracts in the base cylinder, because no part for limiting the rotation of the end cover cylinder is arranged between the end cover cylinder and the base cylinder, the end cover cylinder rotates in the base cylinder, the abrasion between the cylinders is accelerated by the rotation friction, and the buffering stability of the side buffer is reduced.
This embodiment provides a side buffer and rail train, through set up the locating part between the lateral wall at end cover barrel and base barrel, prevents the rotation between end cover barrel and the base barrel to guarantee the buffering stability of side buffer.
As shown in fig. 1, the present embodiment provides a side bumper, which includes a first cylinder 10 and a second cylinder 20, wherein the first cylinder 10 is connected to a vehicle body end beam as a base, and the first cylinder 10 supports the second cylinder 20. The end face of the second tubular body 20 remote from the end beam serves as a force-receiving face to receive an impact force from another vehicle body.
One end of the second cylinder 20 is telescopically sleeved outside the first end of the first cylinder 10, that is, the first end of the first cylinder 10 is inserted into the second cylinder 20. The second end of the first cylinder 10 extends out of the second cylinder 20, and the second cylinder 20 is telescopically movable with respect to the first cylinder 10. The first cylinder 10 and the second cylinder 20 together play a guiding role in the telescopic movement, so that the buffer can move in an axial telescopic manner. When the end surface of the second cylinder 20, which is far away from the second end of the first cylinder 10, is subjected to the impact force of another vehicle body, the second cylinder 20 is compressed outside the first cylinder 10 to mitigate the external impact force.
Or, one end of the second cylinder 20 is telescopically inserted into the first cylinder 10, and the other end of the second cylinder 20 extends out of the first cylinder 10. When the end surface of the second cylinder 20, which is far away from the second end of the first cylinder 10, is subjected to the impact force of another vehicle body, the second cylinder 20 is compressed in the first cylinder 10 to mitigate the external impact force.
It should be noted that, the second cylinder 20 is sleeved outside the first cylinder 10 or the second cylinder 20 is inserted into the first cylinder 10, the working principle is similar, and the second cylinder 20 is sleeved outside the first cylinder 10 in this embodiment.
A limiting member 30 is disposed between the first cylinder 10 and the second cylinder 20, the limiting member 30 is located between an outer sidewall of the first cylinder 10 and an inner sidewall of the second cylinder 20, and the limiting member 30 is used to prevent the second cylinder 20 from rotating outside the first cylinder 10, so as to avoid wear of the first cylinder 10 and the second cylinder 20 due to rotation friction and acceleration, and ensure the buffering stability of the side buffer.
The side bumper provided by the embodiment comprises the first cylinder 10, the second cylinder 20 and the limiting member 30, wherein one end of the second cylinder 20 is telescopically sleeved outside the first end of the first cylinder 10, the second end of the first cylinder 10 extends out of the second cylinder 20, and when the end surface of the second cylinder 20, which is far away from the second end of the first cylinder 10, is subjected to the impact force of another vehicle body, the second cylinder 20 is compressed outside the first cylinder 10 to mitigate the external impact force. The limiting member 30 is located between the outer sidewall of the first cylinder 10 and the inner sidewall of the second cylinder 20, and the limiting member 30 is used to prevent the second cylinder 20 from rotating outside the first cylinder 10. The abrasion of the first cylinder 10 and the second cylinder 20 due to the acceleration of the rotation friction therebetween can be avoided, and the buffering stability of the side buffer can be ensured. Therefore, the side bumper provided by the embodiment solves the technical problem that the buffering stability of the side bumper is reduced due to the rotation between the second cylinder 20 and the first cylinder 10 when the second cylinder 20 and the first cylinder 10 perform relative axial telescopic movement.
Referring to fig. 2 and fig. 3, the outer sidewall of the first cylinder 10 has a groove 101, the inner sidewall of the second cylinder 20 has a sliding groove 201, the groove 101 is disposed opposite to a portion of the sliding groove 201, one side of the limiting member 30 is located in the groove 101, and the other side of the limiting member 30 extends into the sliding groove 201. That is, the height of the limiting member 30 is greater than the depth of the groove 101, and the limiting member 30 can protrude from the groove 101 into the sliding groove 201. The groove 101 limits the position of the limiting member 30 to the outer side wall of the first cylinder 10, and the sliding groove 201 enables the first cylinder 10 to move along with the limiting member 30 in the extending direction of the sliding groove 201 inside the second cylinder 20. The inner walls of the groove 101 and the sliding groove 201 may prevent the stopper 30 from moving in the circumferential direction of the first cylinder 10 and the second cylinder 20 to prevent rotation between the first cylinder 10 and the second cylinder 20.
Wherein, one end of the sliding groove 201 facing the second end of the first cylinder 10 is an opening 202, and the opening 202 is used for allowing the limiting member 30 to slide into the sliding groove 201. When the side buffer is installed, the limiting member 30 is first placed in the groove 101, and at this time, the groove 101 needs to be aligned with the sliding groove 201, so that the limiting member 30 enters the sliding groove 201 from the opening 202 and slides along the sliding groove 201, and the first end of the first cylinder 10 is inserted into the second cylinder 20.
Alternatively, the groove 101 may be disposed on the inner side wall of the second cylinder 20, the sliding groove 201 may be disposed on the outer side wall of the first cylinder 10, and an end of the sliding groove 201 facing the first end of the first cylinder 10 is opened to slide the limiting member 30 into the sliding groove 201, that is, positions of the groove 101 and the sliding groove 201 may be interchanged. The working principle is similar, and the detailed description is omitted here.
With continuing reference to fig. 4 and fig. 5, in the present embodiment, the method further includes: and the pull rod 40 penetrates through two ends of the side buffer, and the pull rod 40 is used for limiting the axial total length of the side buffer. The end face of the first end of the first cylinder 10 is provided with an opening 102, the end face of the second end of the first cylinder 10 is provided with a first through hole 103, the end face of the second end of the second cylinder 20, which deviates from the first cylinder 10, is provided with a second through hole 203, and the pull rod 40 penetrates through the first through hole 103, the opening 102 and the second through hole 203. When the first cylinder 10 and the second cylinder 20 are assembled, the draw bar 40 is sequentially passed through the second through hole 203, the opening 102, and the first through hole 103.
In this embodiment, the pull rod 40 includes a head and a rod, one end of the rod is connected to the head of the pull rod 40, and the other end of the rod passes through the second through hole 203, the opening 102 and the first through hole 103. The diameter of the rod body is smaller than that of the head of the pull rod 40, the rod body can pass through the second through hole 203, and the head of the rod body cannot pass through the second through hole 203.
Wherein, the one end that the body of rod deviates from the head of pull rod 40 is equipped with the external screw thread, and here external screw thread can with the internal thread connection of cooperation nut, fixes the one end that the body of rod deviates from the head of pull rod 40 in the first through-hole 103 outside. The head of the tie rod 40 and the end of the tie rod 40 facing away from the head are limited outside the second through hole 203 and the first through hole 103, respectively, so that the area between the two ends of the tie rod 40 can limit the total axial length of the side bumper.
In this embodiment, a receiving groove 204 is disposed on a surface of the second through hole 203 away from the second end of the first cylinder 10, the receiving groove 204 is communicated with the second through hole 203, and the receiving groove 204 is used for receiving the head portion of the pull rod 40. The head of the tie rod 40 is positioned in the accommodating groove 204, so that the head of the tie rod 40 is prevented from protruding out of the end surface of the second cylinder 20, and the head of the tie rod 40 is prevented from contacting with the side buffer of another vehicle body during the operation of the side buffer to damage the side buffer of the other vehicle body.
In this embodiment, the cover further includes an end cap 50, and the end cap 50 is disposed in the receiving groove 204. When the end cap 50 is closed, the end cap 50 may be flush with the end surface of the second cylinder 20 where the end cap 50 is located. At this time, the end cap 50 and the second cylinder 20 may be coupled together by welding. In this way, the end cap 50 is secured to the end surface of the second cylinder 20 in an integrated structure. The end cover 50 and the end surface of the second cylinder 20 where the end cover is located are flat end surfaces, and the flat end surfaces are stressed uniformly. And facilitates the side bumper to work with the side bumper on the other vehicle body.
The end cover 50 can fix the head of the pull rod 40 in the accommodating groove 204, and meanwhile, the end cover 50 is not fixedly connected with the pull rod 40, so that the convenience of replacing the pull rod 40 is not influenced.
Alternatively, the end cap 50 may not be provided, and in this case, the head portion of the tie bar 40 may be directly welded in the accommodation groove 204 in order to fix the head portion of the tie bar 40 in the accommodation groove 204.
In this embodiment, the outer wall of the second end of the first cylinder 10 protrudes toward the second cylinder 20 to form an accommodating space 104, the first through hole 103 is located on an end surface of the accommodating space 104, and an end of the pull rod 40 away from the head of the pull rod 40 extends into the accommodating space 104 from the first through hole 103. With this arrangement, when the side buffer is compressed, the end of the pull rod 40 away from the head of the pull rod 40 moves in the accommodating space 104 toward the second end of the first cylinder 10 without protruding out of the second end of the first cylinder 10. Holes do not need to be drilled in the end beam of the vehicle body to prevent the end beam from being damaged by the end beam extending out of the second end of the first cylinder 10 when the end of the tie rod 40 facing away from the head of the tie rod 40 moves. And the telescopic motion space required after the pull rod 40 extends out of the second end of the first cylinder 10 is not required to be arranged on one side of the end beam, which is far away from the side buffer connected with the end beam, so that the change of the vehicle body structure is avoided.
In this embodiment, as shown in fig. 6, both ends of the position-limiting member 30 may be oval or semicircular, or have other shapes that do not affect the sliding between the first cylinder 10 and the second cylinder 20. Because the limiting member 30 is a single detachable structure, it can be replaced after being worn, and is convenient to install and maintain.
In this embodiment, the second end of the first cylinder 10 is surrounded by the first flange 105, and the first flange 105 and the second end surface of the first cylinder 10 may form a flat end surface. The first flange 105 increases the force-bearing area of the second end surface of the first cylinder 10, and reduces the impact strength of the second end surface of the first cylinder 10.
Wherein, the first flange 105 and the first cylinder 10 can be connected by welding, screwing or integrally formed.
Further, a plurality of through holes may be provided in the first flange 105, and the first flange 105 may be connected to an end beam of the vehicle body by bolts. Compared with the mode that the pull rod 40 penetrates through the end beam to fix the side buffer on the end beam, the first flange 105 is connected with the end beam of the vehicle body through the bolt, relative movement among the first flange 105, the end beam of the vehicle body and the bolt does not exist, the connection with the end beam of the vehicle body is firmer, the bolts can share the received external impact force, and the service life of the side buffer can be prolonged. Meanwhile, as the time for disassembling the plurality of bolts on the first flange 105 is longer than the time for disassembling one bolt on the pull rod 40 alone, and one end of the pull rod 40 far away from the head of the pull rod 40 is positioned in the accommodating space 104, a special tool is needed to disassemble the nut of the pull rod 40 positioned in the accommodating space 104, so that the side buffer has certain anti-theft performance.
In this embodiment, a second flange 205 is annularly arranged at an end of the second cylinder 20 facing away from the second end of the first cylinder 10. The second flange 205 and the end surface of the second cylinder 20 provided with the second flange 205 may together constitute a flat end surface. The second flange 205 increases the force-bearing area of the end surface of the second cylinder 20 provided with the second flange 205, and reduces the impact strength of the end surface of the second cylinder 20 provided with the second flange 205.
The second flange 205 and the second cylinder 20 may be connected by welding, screwing or integrally molding.
In this embodiment, the side bumper further includes an elastic member 60, and the side bumper alleviates an external impact force by the elastic member 60. When the side bumper receives an external impact force, the impact force is transmitted to the second cylinder 20, the elastic member 60, the first cylinder 10, and the vehicle body end beam in sequence. The impact force of the external vehicle body is transmitted to the elastic element 60 between the first cylinder 10 and the second cylinder 20 by the plane formed by the second flange 205 and the end face of the second cylinder 20, and the elastic element 60 is compressed, so that the external impact force is relieved, then transmitted to the plane formed by the first cylinder 10 and the first flange 105, and finally transmitted to the vehicle body end beam.
One end of the elastic element 60 abuts against the inner wall of the first cylinder 10 close to the second end, and the other end of the elastic element 60 abuts against the inner wall of the second cylinder 20 opposite to the first end of the first cylinder 10. The elastic member 60 has a through hole in the middle thereof through which the tension rod 40 passes. Here, the specific kind of the elastic member 60 is not limited, and those skilled in the art can set the elastic member as needed according to actual situations. For example, the elastic element 60 may be a rubber spring or other elastic body.
In the side bumper provided in the present embodiment, when the side bumper receives an external impact force, the impact force of the external vehicle body is transmitted to the elastic element 60 between the first cylinder 10 and the second cylinder 20 through the plane formed by the second flange 205 and the end face of the second cylinder 20, and the elastic element 60 is compressed, so that the external impact force is relaxed, and then transmitted to the plane formed by the first cylinder 10 and the first flange 105, and finally transmitted to the vehicle body end beam. The external impact force applied to the side bumper is relaxed by the elastic member 60.
In addition, this embodiment still provides a rail train, includes at least: a plurality of vehicle bodies and a plurality of side buffers in the above embodiments, and a side buffer is provided between two adjacent vehicle bodies.
The number of the car bodies may be two, three or more, and is not limited herein.
For example, two adjacent vehicle bodies may be connected in the front-rear direction, and two side bumpers may be provided on both sides of the end surface of the rear end beam of the front vehicle body, and two side bumpers may be provided on both sides of the end surface of the front end beam of the rear vehicle body, the side bumpers of the front vehicle body being provided opposite to the side bumpers of the rear vehicle body. That is, in actual operation, the side buffers are mounted on the end beams of the vehicle body. For two adjacent vehicle bodies, two pairs of side buffers which are oppositely arranged are used as an integral buffer measuring system. At this time, the second cylinder 20 can move in a direction approaching or separating from the first cylinder 10 by the longitudinal force of the train, and the elastic member 60 is disposed between the first cylinder 10 and the second cylinder 20 for relaxing the impact force between the adjacent train bodies.
In this embodiment, since the rail train has the side buffer in the above embodiments, the rail train also has the technical effects of the side buffer, and therefore, the details are not described herein.
In the rail train provided in the embodiment, when one of two adjacent train bodies is impacted by the other train body, flat end surfaces formed by the second cylinder 20 and the second flange 205 which are oppositely arranged between the two adjacent side buffers are abutted and mutually extruded; inside the side buffer, the second cylinder 20 presses the elastic member 60 between the first cylinder 10 and the second cylinder 20, and the second cylinder 20 moves toward the first cylinder 10. The impact force of the adjacent vehicle bodies is transmitted to the two adjacent pairs of side buffers, so that the longitudinal impact force applied to the two vehicle bodies is alleviated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A side buffer, comprising: the telescopic type barrel comprises a first barrel body, a second barrel body and a limiting part, wherein a telescopic sleeve of the second barrel body is arranged outside a first end of the first barrel body, a second end of the first barrel body extends out of the second barrel body, the limiting part is located between the outer side wall of the first barrel body and the inner side wall of the second barrel body, and the limiting part is used for preventing the second barrel body from rotating outside the first barrel body.
2. The side buffer of claim 1, wherein the outer sidewall of the first cylinder has a groove, the inner sidewall of the second cylinder has a sliding slot, the groove is disposed opposite to a portion of the sliding slot, one side of the position-limiting member is disposed in the groove, the other side of the position-limiting member extends into the sliding slot, an end of the sliding slot facing the second end of the first cylinder is open, and the open is used for allowing the position-limiting member to slide into the sliding slot.
3. The side buffer of claim 1, further comprising: the pull rod, the first barrel the terminal surface of first end is equipped with the opening, the first barrel be equipped with first through-hole on the terminal surface of second end, the second barrel deviates from the first barrel be equipped with the second through-hole on the terminal surface of second end, the pull rod is worn to locate first through-hole the opening with in the second through-hole.
4. The side bumper of claim 3, wherein a receiving groove is disposed on a surface of the second through hole facing away from the second end of the first cylinder, the receiving groove is communicated with the second through hole, and the receiving groove is configured to receive a head portion of the pull rod.
5. The side bumper of claim 4, further comprising an end cap disposed within the receiving channel.
6. The side bumper of any one of claims 4 to 5, wherein an outer wall of the second end of the first cylinder protrudes toward the second cylinder to form an accommodating space, the first through hole is located on an end surface of the accommodating space, and an end of the pull rod facing away from the head of the pull rod extends into the accommodating space from the first through hole.
7. The side bumper of any one of claims 4-5, wherein the pull rod further comprises a rod body, a diameter of the rod body is smaller than a diameter of the head of the pull rod, one end of the rod body is connected with the head of the pull rod, the other end of the rod body penetrates through the first through hole, the opening and the second through hole, and an external thread is arranged at one end of the rod body, which is far away from the head of the pull rod.
8. The side bumper of any one of claims 1-5, wherein the second end of the first cylinder is encircled by a first flange;
and/or a second flange is annularly arranged at one end of the second cylinder body, which is far away from the second end of the first cylinder body.
9. The side bumper of any one of claims 1-5, further comprising an elastic member, one end of the elastic member abutting an inner wall of the first cylinder near the second end, the other end of the elastic member abutting an inner wall of the second cylinder opposite the first end of the first cylinder.
10. A rail train, characterized by comprising at least: a plurality of vehicle bodies and a plurality of side bumpers according to any of claims 1 to 9 provided between adjacent ones of said vehicle bodies.
CN202120553064.XU 2021-03-17 2021-03-17 Side buffer and rail train Active CN214450975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120553064.XU CN214450975U (en) 2021-03-17 2021-03-17 Side buffer and rail train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120553064.XU CN214450975U (en) 2021-03-17 2021-03-17 Side buffer and rail train

Publications (1)

Publication Number Publication Date
CN214450975U true CN214450975U (en) 2021-10-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120553064.XU Active CN214450975U (en) 2021-03-17 2021-03-17 Side buffer and rail train

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Country Link
CN (1) CN214450975U (en)

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