CN215720459U - Novel high-speed rail shock absorber - Google Patents

Abstract

The utility model discloses a novel high-speed rail shock absorber, which comprises a shell, wherein a first expansion plate and a second expansion plate are respectively arranged at two ends of the shell in a penetrating way, the end part of the second expansion plate is arranged inside the first expansion plate in a penetrating way, and the inside of the first expansion plate is provided with a cavity groove, the novel high-speed rail shock absorber effectively combines two connecting modes of spring connection and hydraulic oil connection together on the basis of ensuring the shock absorption of the original high-speed rail shock absorber at the connecting part of a carriage, when the front vehicle accelerates, the end parts of the two expansion plates slide outwards, and the other ends of the two expansion plates are close to each other to extrude the hydraulic oil between the two expansion plates, meanwhile, the reverse movement of the two expansion plates synchronously drives the sliding block to vertically slide downwards, a certain resistance effect is achieved on the movement between the two expansion plates by utilizing the gradually reduced hydraulic oil space, and the huge inertia of the rear vehicle can be gradually reduced and absorbed under the action of the oil pressure.

Description

Novel high-speed rail shock absorber

Technical Field

The utility model belongs to the technical field of high-speed rail shock absorbers, and particularly relates to a novel high-speed rail shock absorber.

Background

Along with the rapid development of science and technology, the research and development and the operation of high-speed rails enable the human traffic industry to stride over a great step, the high-speed rails are always popular with people, and have the advantages of high speed, stable operation, high safety and the like.

It should be noted that there are two setting modes for the internal structure of the existing shock absorber for high-speed rail, one is to connect the carriages in a buffering mode through a plurality of groups of springs, and the other is to connect in an oil pressure mode, the stability of the buffering connection of the former is not high, and the inertia removal effect of the latter soft connection on the rear carriage is not ideal, so that it is urgent to convert the two connection modes into the same shock absorber for high-speed rail in the present society to develop new technology.

In addition, the conventional high-speed rail damper can only play a role in damping the front and rear carriages, but cannot effectively reduce the huge inertia force of the rear carriage, so that certain inertia collision can occur between the carriages in the process of speed change in the operation of the high-speed rail.

The foregoing is in the scope of the inventor's knowledge and does not necessarily constitute prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a novel high-speed rail shock absorber.

In order to achieve the purpose, the utility model provides a novel high-speed rail shock absorber, which comprises a shell, wherein a first expansion plate and a second expansion plate are respectively installed at two ends of the shell in a penetrating manner, the end part of the second expansion plate is installed in the first expansion plate in a penetrating manner, a cavity groove is formed in the first expansion plate, one end of a spring is welded on the inner wall of one end of the first expansion plate, the other end of the spring is fixed on the inner wall of one end of the second expansion plate, first rubber sealing rings are arranged at the joints of the first expansion plate and the second expansion plate and the inner wall of the shell, a second rubber sealing ring is arranged at the joint of the first expansion plate and the second expansion plate, the outer walls of the first expansion plate and the second expansion plate are fixedly connected with the lower end of a connecting rod, an adjusting mechanism is installed at the upper end of the connecting rod, an oil bin is arranged on the upper surface of the shell, and a fixing plate is fixed on the upper surface of the oil bin, and the internally mounted of oil bin has the slider, the junction of slider and oil bin inner wall is provided with third rubber seal, and the inner circle of third rubber seal glues glutinous in the outer lane of slider, the upper surface of slider is connected with the lower extreme of slide bar, and runs through the upper end of slide bar and install in the outside of oil bin, be provided with fourth rubber seal between the inner wall of second expansion plate and the first expansion plate, and the outer lane of fourth rubber seal glues glutinous in the inner wall of second expansion plate.

In one example, the first expansion plate and the second expansion plate are both of a T-shaped structure, and a clamping sliding type sealing structure is formed between the first expansion plate and the second expansion plate through a second rubber sealing ring and a fourth rubber sealing ring, so that the first expansion plate and the second expansion plate can mutually penetrate and slide and are positioned on the same central horizontal line.

In an example, adjustment mechanism includes round pin axle, first commentaries on classics board, second commentaries on classics board and kelly, and the upper end of connecting rod is run through and is installed the round pin axle to the outer wall of round pin axle is connected with the lower extreme of first commentaries on classics board and second commentaries on classics board respectively, the junction of first commentaries on classics board and second commentaries on classics board upper end runs through the one end of installing the kelly, and the other end block of kelly in the inside of fixed plate, and this adjustment mechanism's setting, the ingenious reverse motion power that has utilized between two cars promotes first commentaries on classics board and second commentaries on classics board synchronous movement rotatory, has reached the effect that reduces the height of first commentaries on classics board and second commentaries on classics board upper end.

In one example, first commentaries on classics board and second commentaries on classics board are around the central axis symmetry setting of kelly, and first commentaries on classics board and second commentaries on classics board and kelly are the rotation connection, have guaranteed to use the kelly to do the rotary motion that is close to each other or keeps away from as the axis in step between first commentaries on classics board and the second commentaries on classics board under the exogenic action.

In one example, the tip of kelly is "T" style of calligraphy structure, and kelly and fixed plate be the sliding connection of snap-on to the kelly is connected for rotating with the slide bar for the kelly can run through the inside slip of fixed plate, and can receive fixed plate inner wall limiting displacement when the kelly slides, prevents to deviate.

In one example, the slider passes through the third rubber seal circle and constitutes the block-type sliding structure who has the leakproofness with the oil bin, and the lower extreme of slider and slide bar is fixed connection to the slide bar is sliding connection with the oil bin, makes the slider can be in the inside vertical downward slip of oil bin, and has better leakproofness, can reach the effect that pushes the inside hydraulic oil of oil bin to the casing is inside.

The novel high-speed rail shock absorber provided by the utility model can bring the following beneficial effects:

firstly, on the basis of ensuring the shock absorption of the original high-speed rail shock absorber to the connection part of a carriage, two groups of connection modes of spring connection and hydraulic oil connection are effectively combined together, when a front vehicle accelerates, the end parts of two expansion plates slide outwards, the other ends of the two expansion plates are close to each other to extrude the hydraulic oil between the two expansion plates, meanwhile, the reverse motion of the two expansion plates synchronously drives a sliding block to vertically slide downwards, a certain resisting effect is achieved on the motion between the two expansion plates by utilizing the gradually reduced hydraulic oil space, and the huge inertia of the rear vehicle can be gradually reduced and absorbed under the action of the oil pressure;

the connecting mode between the original shock absorbers is changed, and the shock absorbers between the front carriage and the rear carriage have the stability of the springs and simultaneously have the ideal buffering effect of oil pressure through the mutual matching effect among the parts such as the second expansion plate, the cavity groove and the springs, so that the front and the rear carriages can be effectively prevented from being rubbed and bumped due to inertia generated by different speeds.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the mounting structure of the fixing plate of the present invention;

FIG. 3 is a schematic view of the mounting structure of the adjustment mechanism of FIG. 1 according to the present invention;

FIG. 4 is a side view of the second expansion plate of the present invention.

In the figure: 1. a housing; 2. a first expansion plate; 3. a second expansion plate; 4. a cavity groove; 5. a spring; 6. a first rubber seal ring; 7. a second rubber seal ring; 8. a connecting rod; 9. an adjustment mechanism; 901. a pin shaft; 902. a first rotating plate; 903. a second rotating plate; 904. a clamping rod; 10. an oil bin; 11. a fixing plate; 12. a slider; 13. a third rubber seal ring; 14. a slide bar; 15. and a fourth rubber sealing ring.

Detailed Description

In order to more clearly explain the overall concept of the utility model, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 4, the embodiment of the utility model provides a novel high-speed rail shock absorber, which comprises a housing 1, wherein a first expansion plate 2 and a second expansion plate 3 are respectively installed at two ends of the housing 1 in a penetrating manner, the end part of the second expansion plate 3 is installed in the first expansion plate 2 in a penetrating manner, a cavity groove 4 is formed in the first expansion plate 2, one end of a spring 5 is welded on the inner wall of one end of the first expansion plate 2, the other end of the spring 5 is fixed on the inner wall of one end of the second expansion plate 3, first rubber sealing rings 6 are respectively arranged at the joints of the first expansion plate 2 and the second expansion plate 3 and the inner wall of the housing 1, a second rubber sealing ring 7 is arranged at the joint of the first expansion plate 2 and the second expansion plate 3, the lower ends of connecting rods 8 are fixedly connected to the outer walls of the first expansion plate 2 and the second expansion plate 3, and an adjusting mechanism 9 is installed at the upper ends of the connecting rods 8, the upper surface of casing 1 is provided with oil bin 10, and the last fixed surface of oil bin 10 has fixed plate 11, and the internally mounted of oil bin 10 has slider 12, the junction of slider 12 and oil bin 10 inner wall is provided with third rubber seal 13, and the inner circle of third rubber seal 13 glues glutinous in the outer lane of slider 12, the last surface connection of slider 12 has the lower extreme of slide bar 14, and the upper end of slide bar 14 runs through the outside of installing in oil bin 10, be provided with fourth rubber seal 15 between the inner wall of second expansion plate 3 and first expansion plate 2, and the outer lane of fourth rubber seal 15 glues glutinous in the inner wall of second expansion plate 3.

Specifically, first expansion plate 2 and second expansion plate 3 are "T" style of calligraphy structure, and constitute the slidingtype seal structure of block through second rubber seal 7 and fourth rubber seal 15 between first expansion plate 2 and the second expansion plate 3, have guaranteed to run through the slip each other between first expansion plate 2 and the second expansion plate 3 to be in on the same central water flat line.

Specifically, adjustment mechanism 9 includes round pin axle 901, first commentaries on classics board 902, second commentaries on classics board 903 and kelly 904, and the upper end of connecting rod 8 runs through and installs round pin axle 901, and the outer wall of round pin axle 901 is connected with the lower extreme of first commentaries on classics board 902 and second commentaries on classics board 903 respectively, the junction of first commentaries on classics board 902 and second commentaries on classics board 903 upper end runs through the one end of installing kelly 904, and the other end block of kelly 904 in the inside of fixed plate 11, this adjustment mechanism 9's setting, ingenious reverse motion power that has utilized between two cars promotes first commentaries on classics board 902 and second commentaries on classics board 903 synchronous movement rotatory, reached the effect that reduces the height of first commentaries on classics board 902 and second commentaries on classics board 903 upper end.

Specifically, first commentaries on classics board 902 and second commentaries on classics board 903 are set up about the central axis symmetry of kelly 904, and first commentaries on classics board 902 and second commentaries on classics board 903 and kelly 904 are the rotation connection, have guaranteed that can be synchronous under the exogenic action between first commentaries on classics board 902 and the second commentaries on classics board 903 and use kelly 904 as the axis and do the rotary motion that is close to each other or keeps away from.

Specifically, the end of the clamping rod 904 is of a T-shaped structure, the clamping rod 904 is connected with the fixed plate 11 in a snap-on sliding manner, and the clamping rod 904 is connected with the sliding rod 14 in a rotating manner, so that the clamping rod 904 can penetrate through the inside of the fixed plate 11 to slide, and the clamping rod 904 is limited by the inner wall of the fixed plate 11 when sliding, and is prevented from deviating.

Specifically, the slider 12 and the oil bin 10 form a sealed snap-on sliding structure through the third rubber sealing ring 13, the slider 12 and the lower end of the sliding rod 14 are fixedly connected, and the sliding rod 14 and the oil bin 10 are in sliding connection, so that the slider 12 can vertically slide downwards in the oil bin 10, and has better sealing performance, and an effect of pushing hydraulic oil in the oil bin 10 to the inside of the housing 1 can be achieved.

The working principle is as follows: when the novel high-speed rail shock absorber is used, firstly, assuming that the high-speed rail needs to be accelerated when in operation, as shown in fig. 1, at this time, a front vehicle accelerates, drives a first expansion plate 2 and a shell 1 to horizontally accelerate rightwards through a second expansion plate 3, and the first expansion plate 2 is subjected to huge pulling force of a rear carriage, so that an effect of synchronously moving in opposite directions is achieved between the first expansion plate 2 and the second expansion plate 3, and at this time, the shell 1 keeps a relatively static state, along with the continuous movement of the first expansion plate 2 and the second expansion plate 3, the inner ends of the first expansion plate 2 and the second expansion plate 3 gradually approach and synchronously compress a spring 5, and supplementary explanation shows that hydraulic oil is arranged between the first expansion plate 2, the second expansion plate 3 and a sliding block 12, and because the first expansion plate 2 and the second expansion plate 3 have good sealing performance, the hydraulic oil is compressed along with the gradual approach of the inner ends of the first expansion plate 2 and the second expansion plate 3, meanwhile, the outer ends of the first expansion plate 2 and the second expansion plate 3 synchronously drive the two connecting rods 8 to penetrate through the upper surface of the shell 1 to move away from each other, taking the connecting rod 8 on the left side as an example for movement explanation, at this time, the connecting rod 8 on the left side drives the lower end of the first rotating plate 902 to horizontally move leftwards through the pin shaft 901, so that the upper end of the first rotating plate 902 achieves the effect of clockwise rotation by taking the clamping rod 904 as an axis, and has a certain downward pulling force on the clamping rod 904, and similarly, the second rotating plate 903 on the right side synchronously moves reversely, so that the clamping rod 904 vertically slides downwards along the fixed plate 11, and synchronously pushes the sliding rod 14 to penetrate through the upper end of the oil bin 10 to vertically slide downwards, then pushes the sliding block 12 to drive the third rubber sealing ring 13 to extrude hydraulic oil inside the shell 1, at this time, the hydraulic oil inside the shell 1 synchronously reacts on the first expansion plate 2 and the second expansion plate 3, thereby reached and weakened and absorbed the effect of impact force between the first expansion plate 2 of part and the second expansion plate 3 to can effectually alleviate the carriage that the huge inertia of back carriage brought and wipe and bump through the effort that resets of spring 5, make the device not only can the shock attenuation, can effectually weaken and absorb the inertia between the carriage after the shock attenuation moreover.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. A novel high-speed rail shock absorber is characterized by comprising a shell, wherein a first expansion plate and a second expansion plate are respectively installed at two ends of the shell in a penetrating manner, the end part of the second expansion plate is installed in the first expansion plate in a penetrating manner, a cavity groove is formed in the first expansion plate, one end of a spring is welded on the inner wall of one end of the first expansion plate, the other end of the spring is fixed on the inner wall of one end of the second expansion plate, first rubber sealing rings are arranged at the joints of the first expansion plate and the second expansion plate and the inner wall of the shell, a second rubber sealing ring is arranged at the joint of the first expansion plate and the second expansion plate, the lower ends of connecting rods are fixedly connected to the outer walls of the first expansion plate and the second expansion plate, an adjusting mechanism is installed at the upper ends of the connecting rods, an oil bin is arranged on the upper surface of the shell, and a fixing plate is fixed on the upper surface of the oil bin, and the internally mounted of oil bin has the slider, the junction of slider and oil bin inner wall is provided with third rubber seal, and the inner circle of third rubber seal glues glutinous in the outer lane of slider, the upper surface of slider is connected with the lower extreme of slide bar, and runs through the upper end of slide bar and install in the outside of oil bin, be provided with fourth rubber seal between the inner wall of second expansion plate and the first expansion plate, and the outer lane of fourth rubber seal glues glutinous in the inner wall of second expansion plate.

2. The novel high-speed rail shock absorber according to claim 1, wherein the first expansion plate and the second expansion plate are both of a T-shaped structure, and a clamping sliding type sealing structure is formed between the first expansion plate and the second expansion plate through a second rubber sealing ring and a fourth rubber sealing ring.

3. The novel high-speed rail shock absorber according to claim 1, wherein the adjusting mechanism comprises a pin shaft, a first rotating plate, a second rotating plate and a clamping rod, the pin shaft is installed at the upper end of the connecting rod in a penetrating mode, the outer wall of the pin shaft is connected with the lower ends of the first rotating plate and the second rotating plate respectively, one end of the clamping rod is installed at the connecting position of the upper ends of the first rotating plate and the second rotating plate in a penetrating mode, and the other end of the clamping rod is clamped inside the fixing plate.

4. The novel high-speed rail shock absorber according to claim 3, wherein the first rotating plate and the second rotating plate are symmetrically arranged about the central axis of the clamping rod, and the first rotating plate and the second rotating plate are rotatably connected with the clamping rod.

5. The novel high-speed rail shock absorber according to claim 3, wherein the end of the clamping rod is of a T-shaped structure, the clamping rod is connected with the fixed plate in a clamping and sliding manner, and the clamping rod is connected with the sliding rod in a rotating manner.

6. The novel high-speed rail shock absorber according to claim 1, wherein the sliding block and the oil bin form a snap-on sliding structure with sealing performance through a third rubber sealing ring, the sliding block and the lower end of the sliding rod are fixedly connected, and the sliding rod and the oil bin are in sliding connection.

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