CN219327691U

CN219327691U - Intelligent retarder

Info

Publication number: CN219327691U
Application number: CN202121877564.5U
Authority: CN
Inventors: 黄志东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2023-07-11
Anticipated expiration: 2031-08-11

Abstract

The intelligent retarder comprises a cylinder body, wherein the cylinder body is provided with a sliding hole, one end of the cylinder body stretches into the sliding hole, the other end of the cylinder body is positioned outside the sliding hole, and a plurality of self-lubricating wear-resisting rings are arranged between one end of the cylinder body stretching into the sliding hole and the wall of the sliding hole, so that the cylinder body can be attached to the self-lubricating wear-resisting rings and reciprocate along the axis of the sliding hole. The self-lubricating wear-resistant ring is used for lubricating the upper cylinder body part of the sliding cylinder assembly when the upper cylinder body part reciprocates up and down in the shell assembly, and can effectively lubricate the cylinder body part, so that manual inspection required by grease lubrication is avoided, the maintenance cost of the intelligent retarder in use is reduced, the lubrication effect is ensured, and the service life of the intelligent retarder is prolonged.

Description

Intelligent retarder

Technical Field

The utility model belongs to the technical field related to train marshalling carriage deceleration, and particularly relates to an intelligent retarder.

Background

The speed reducing jack is a hydraulic speed regulating device for shunting railway marshalling station, and specifically, the sliding oil cylinder assembly on the speed reducing jack is pressed down by train wheels to generate resistance to the train wheels, so that the speed reducing effect on train marshalling carriages is achieved.

At present, the prior mechanical movement between the upper shell of the retarder and the sliding oil cylinder assembly generally adopts a mode of adding butter (lithium grease) between the cylinder body part of the sliding oil cylinder assembly and the inner wall of the shell to ensure lubrication. Therefore, when the existing retarder is applied to shunting of a railway marshalling station and used, workers need to patrol every day to judge whether the sliding oil cylinder assembly on the retarder can work normally in the shell or not, and butter needs to be added into the retarder periodically, so that the labor intensity of the workers is increased, the maintenance cost required by the retarder in later use is high, and the accurate judgment of whether the retarder lacks butter lubrication or not cannot be achieved by adopting a manual patrol mode, so that the service life of the retarder is shortened.

Disclosure of Invention

Based on this, it is necessary to provide an intelligent retarder for solving the technical problems existing in the prior art.

The intelligent retarder comprises a shell assembly and a sliding oil cylinder assembly, wherein the sliding oil cylinder assembly is connected to the shell assembly in a sliding manner;

the sliding oil cylinder assembly is characterized by comprising a cylinder body part, wherein the shell component is provided with a sliding hole, one end of the cylinder body part extends into the sliding hole, the other end of the cylinder body part is positioned outside the sliding hole, and a plurality of self-lubricating wear-resistant rings are arranged between one end of the cylinder body part extending into the sliding hole and the hole wall of the sliding hole, so that the cylinder body part can be attached to the self-lubricating wear-resistant rings and reciprocate along the axis of the sliding hole.

In this application, realize lubricated the reciprocating motion of cylinder body portion in the sliding hole on the casing subassembly on the sliding cylinder assembly with self-lubricating antifriction circle, can play effectual lubrication to cylinder body portion to this avoids adopting the required manual work to patrol when butter is lubricated and examines, and then has reduced the maintenance cost when this intelligent retarder uses, has also ensured lubricated effect simultaneously, has the effect of extension this intelligent retarder life.

In one embodiment, the number of the self-lubricating wear-resistant rings is two, and the two self-lubricating wear-resistant rings are arranged on two sides of the part, extending into the sliding hole, of the cylinder body.

It can be understood that through the above-mentioned structure setting, concretely realize the cooperation between this self-lubricating antifriction circle and the upper cylinder body portion of slip hydro-cylinder assembly, have the effect of simplifying the structure, improve the stability of the assembly of the cylinder body portion of slip hydro-cylinder assembly on the casing subassembly.

In one embodiment, the self-lubricating wear-resistant ring comprises a metal outer ring and a graphite inner ring arranged in the metal outer ring, and the graphite inner ring is fixed on the inner peripheral wall of the metal outer ring in a tight fit mode.

According to the utility model, through the structural arrangement, the structural composition of the self-lubricating wear-resistant ring is specifically realized, so that the self-lubricating wear-resistant ring is convenient to produce and prepare, and the effect of reducing the production cost is achieved.

In one embodiment, a dust ring is arranged between the cylinder body part and the shell component, and the dust ring is pressed and limited at the orifice position of the sliding hole on the shell component through a dust ring pressing plate.

According to the utility model, through the structural arrangement of the dust ring, dust seal between the shell assembly and the upper cylinder body part of the sliding cylinder assembly can be realized, so that the lubricating effect of the self-lubricating wear-resistant ring on the sliding cylinder assembly on the shell assembly is ensured, and the intelligent retarder has the effect of further prolonging the service life of the intelligent retarder.

In one embodiment, the shell assembly comprises a lining positioning steel sleeve and a plastic shell wrapping the lining positioning steel sleeve, and the self-lubricating wear-resistant ring is embedded on the inner peripheral wall of the lining positioning steel sleeve.

In the utility model, the shell component is designed into the structure, so that the shell component is convenient to produce and prepare, compared with the existing cast iron structure, the intelligent retarder has the advantages of improving the production efficiency, reducing the product quality of the intelligent retarder, and improving the precision of the integral structure of the shell component on the intelligent retarder, so that the shell component can be molded at one time, and the effect of reducing the production cost is realized.

In one embodiment, the plastic housing is embedded with a metal panel.

According to the utility model, the metal panel is embedded in the plastic shell, so that the strength of the integral structure of the plastic shell can be improved, and the use requirement of the intelligent retarder can be further met.

In one embodiment, the metal panel is secured to the outer peripheral wall of the liner positioning steel sleeve by welding.

In the utility model, the metal panel is welded on the lining positioning steel sleeve so as to be convenient for determining the assembly position of the metal panel in the plastic shell, thereby being convenient for the injection molding of the plastic shell on the lining positioning steel sleeve, improving the connection strength between the plastic shell and the lining positioning steel sleeve and ensuring the structural integrity of the shell assembly.

In one embodiment, the sliding oil cylinder assembly further comprises a telescopic rod portion, a supporting seat is sleeved on the telescopic rod portion, and the supporting seat is attached to the bottom of the lining positioning steel sleeve at one side end face away from the telescopic rod portion.

According to the utility model, through the structural arrangement of the supporting seat, the stability of the matching between the telescopic rod part on the sliding oil cylinder assembly and the lining positioning steel sleeve can be improved.

In one embodiment, the intelligent retarder further comprises a thrust pin, and the thrust pin sequentially penetrates through the plastic shell and the lining positioning steel sleeve and stretches into the sliding hole so as to limit the movement of the cylinder body part in the lining positioning steel sleeve.

According to the intelligent deceleration top, through the reasonable structural arrangement, the assembly connection of the thrust pin in the intelligent deceleration top is facilitated, and meanwhile, the thrust pin is ensured to have a limiting effect on the movement of the upper cylinder body part of the sliding cylinder assembly.

In one embodiment, the intelligent retarder further comprises a plastic base, wherein the plastic base is mounted on the bottom of the plastic shell through a limit screw; the pressure sensor is embedded in the plastic base, and an induction contact of the pressure sensor penetrates through the plastic shell and the lining positioning steel sleeve and is in butt fit with the telescopic rod part.

According to the intelligent retarder, through the structural arrangement of the plastic base, the plastic shell is buffered, meanwhile, an assembly space is provided for the application of the pressure sensor in the intelligent retarder, and the pressure applied to the intelligent retarder during working can be monitored in real time.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent retarder according to the present application.

Fig. 2 is a cross-sectional view of the intelligent retarder of the present application.

10, a shell assembly; 100. a sliding hole; 11. lining a positioning steel sleeve; 12. a plastic housing; 20. a sliding oil cylinder assembly; 21. a cylinder portion; 22. a telescopic rod part; 30. a dust ring; 31. a dust ring pressing plate; 40. a support base; 50. a thrust pin; 60. a plastic base; 61. a limit screw; 70. a pressure sensor; 71. a sensing contact; 101. self-lubricating wear-resisting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 and 2, an intelligent retarder according to an embodiment of the present utility model includes a housing assembly 10 and a sliding cylinder assembly 20, wherein the sliding cylinder assembly 20 is slidably connected to the housing assembly 10.

The sliding cylinder assembly 20 includes a cylinder portion 21, the housing assembly 10 is provided with a sliding hole 100, one end of the cylinder portion 21 extends into the sliding hole 100, the other end is located outside the sliding hole 100, and a plurality of self-lubricating wear rings 101 are disposed at positions between the end of the cylinder portion 21 extending into the sliding hole 100 and the wall of the sliding hole 100, so that the cylinder portion 21 can be attached to the self-lubricating wear rings 101 and reciprocate along the axis of the housing assembly 10. That is, the lubrication between the sliding cylinder assembly 20 and the housing assembly 10 of the present embodiment is achieved by the self-lubricating wear ring 101, so that the movement of the cylinder portion 21 of the sliding cylinder assembly 20 on the housing assembly 10 is effectively lubricated.

It can be appreciated that the intelligent retarder of the embodiment utilizes the self-lubricating wear-resistant ring to lubricate, utilizes the structural characteristic of the self-lubricating wear-resistant ring, avoids manual inspection and periodical butter addition required during butter lubrication, further reduces the maintenance cost during the use of the intelligent retarder, ensures the lubrication effect, fundamentally avoids that people cannot accurately judge whether the intelligent retarder contains enough butter, and has the effect of prolonging the service life of the intelligent retarder.

The number of the self-lubricating wear rings 101 of the present embodiment is two, and the two self-lubricating wear rings 101 are provided on both sides of the portion of the cylinder portion 21 extending into the sliding hole 100. The self-lubricating wear-resistant ring 101 is matched with the cylinder body part 21 on the sliding oil cylinder assembly 20, so that the structure is simplified, and the assembly stability of the cylinder body part 21 of the sliding oil cylinder assembly 20 on the shell assembly 10 is improved. It should be noted that the number of the self-lubricating wear rings 101 is not limited to two as shown in the drawings, and it is possible for those skilled in the art to set the number of the self-lubricating wear rings 101 to three, four, or even more, and the manner of the self-lubricating wear rings 101 being separated on the cylinder portion 21 may be specifically set according to the use requirement, and will not be described herein.

Specifically, the self-lubricating wear ring 101 of the present embodiment includes a metal outer ring (not shown), and a graphite inner ring (not shown) provided in the metal outer ring, the graphite inner ring being fixed to an outer peripheral wall of the metal outer ring in a tight-fitting manner. So as to facilitate the production and preparation of the self-lubricating wear-resistant ring 101 and play a role in reducing the production cost.

Moreover, a dust ring 30 is arranged between the cylinder part 21 on the intelligent retarder and the housing assembly 10, and the dust ring 30 is pressed and limited at the orifice position of the sliding hole 100 on the housing assembly 10 through a dust ring pressing plate 31, so that the intelligent retarder can be used for dust-proof sealing between the housing assembly 10 and the cylinder part 21 on the sliding cylinder assembly 20 through the dust ring 30, thereby ensuring the lubrication effect of the self-lubricating wear-resistant ring 101 on the sliding cylinder assembly 20 on the housing assembly 10, and further prolonging the service life of the intelligent retarder.

In this embodiment, the housing assembly 10 of this embodiment includes a lining positioning steel sleeve 11, and a plastic housing 12 that wraps the lining positioning steel sleeve 11, and a self-lubricating wear ring 101 is fitted on the inner peripheral wall of the lining positioning steel sleeve 11. The graphite inner ring of the self-lubricating wear-resistant ring 101 protrudes inward relative to the inner peripheral wall of the lining positioning steel sleeve 11, so that the cylinder body 21 of the sliding cylinder assembly 20 is in contact with the graphite inner ring of the self-lubricating wear-resistant ring 101, and the lining positioning steel sleeve 11 is prevented from directly contacting the cylinder body 21 and generating friction resistance.

It can be appreciated that the above structure is provided with the housing assembly 10 in this embodiment, so that the production and preparation of the housing assembly 10 are facilitated, and compared with the existing cast iron structure, the production efficiency is improved, the product quality of the intelligent retarder is reduced, and meanwhile, the precision of the overall structure of the housing assembly 10 on the intelligent retarder is improved, so that the housing assembly can be molded once, and the production cost is reduced.

Further, the plastic housing 12 of the present embodiment is embedded with a metal panel (not shown), so as to improve the strength of the overall structure of the plastic housing 12, and further meet the use requirement of the intelligent retarder.

The metal panel of the embodiment is fixed on the outer peripheral wall of the lining positioning steel sleeve 11 in a welding manner, so that the positioning device of the metal panel in the plastic shell 12 is determined, the plastic shell 12 is formed on the lining positioning steel sleeve 11 in an injection mode, the connection strength between the plastic shell 12 and the lining positioning steel sleeve 11 is improved, and the structural integrity of the shell assembly 10 is ensured.

The sliding oil cylinder assembly 20 of this embodiment further includes a telescopic rod portion 22, a supporting seat 40 is sleeved on the telescopic rod portion 22, and a section of one side of the supporting seat 40 far away from the telescopic rod portion 22 is attached to the bottom of the lining positioning steel sleeve 11, so that stability of the matching between the telescopic rod portion 22 and the lining positioning steel sleeve 11 on the sliding oil cylinder assembly 20 is improved.

In one embodiment, the intelligent retarder according to the present utility model further comprises a stopper pin 50, wherein the stopper pin 50 sequentially passes through the plastic housing 12 and the lining positioning steel sheath 11 and extends into the sliding hole 100 to limit the movement of the cylinder portion 21 of the lining positioning steel sheath 11. It should be noted that the thrust pin 50 may be specifically limited to the plastic housing 12 by a screw.

It will be appreciated that the thrust pin 50 for limiting the maximum movement stroke of the cylinder portion 21 on the sliding cylinder assembly 20 is configured as described above, so that the thrust pin 50 is assembled and connected in the intelligent retarder, and the portion of the thrust pin 50 extending into the position below the cylinder portion 21 has a sufficient thickness, so as to prevent the thrust pin 50 from being broken due to the impact of the cylinder portion 21, thereby ensuring that the thrust pin 50 can limit the movement of the cylinder portion 21 on the sliding cylinder assembly 20.

The intelligent retarder of the present embodiment further comprises a plastic base 60, wherein the plastic base 60 is fixed on the bottom of the plastic housing 12 through a limit screw 61; the plastic base 60 is embedded with a pressure sensor 70, and an induction contact 71 of the pressure sensor 70 passes through the plastic shell 12 and the lining positioning steel sleeve 11 and is in abutting fit with the telescopic rod part 22. So that the intelligent retarder can buffer the plastic housing 12 by the plastic base 60, and simultaneously provide an assembly space for the application of the pressure sensor 70 in the intelligent retarder, and can monitor the pressure received by the intelligent retarder during operation in real time.

In addition, it should be noted that the intelligent retarder according to the present utility model may be configured as a clamping type structure, or a screw connection type structure, specifically, a clamping type structure, or a screw connection type structure, which is fixed on the rail, and will not be described herein.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An intelligent retarder comprising a housing assembly (10) and a sliding cylinder assembly (20), the sliding cylinder assembly (20) being slidingly connected to the housing assembly (10);

the sliding oil cylinder assembly (20) comprises a cylinder body (21), the shell assembly (10) is provided with a sliding hole (100), one end of the cylinder body (21) stretches into the sliding hole (100), the other end of the cylinder body is located outside the sliding hole (100), and a plurality of self-lubricating wear-resistant rings (101) are arranged between one end of the cylinder body (21) stretching into the sliding hole (100) and the wall of the sliding hole (100), so that the cylinder body (21) can be attached to the self-lubricating wear-resistant rings (101) and reciprocate along the axis of the sliding hole (100).

2. The intelligent retarder according to claim 1, wherein the number of the self-lubricating wear rings (101) is two, and the two self-lubricating wear rings (101) are provided on both sides of the portion of the cylinder portion (21) extending into the sliding hole (100).

3. The intelligent retarder according to claim 1 or 2, wherein the self-lubricating wear-resistant ring (101) comprises a metal outer ring and a graphite inner ring arranged in the metal outer ring, and the graphite inner ring is fixed on the inner peripheral wall of the metal outer ring in a tight fit manner.

4. The intelligent retarder according to claim 1, wherein a dust ring (30) is arranged between the cylinder part (21) and the housing assembly (10), and the dust ring (30) is pressed and limited at the orifice position of the sliding hole (100) on the housing assembly (10) through a dust ring pressing plate (31).

5. The intelligent retarder according to claim 1, wherein the housing assembly (10) comprises a lining positioning steel sleeve (11) and a plastic housing (12) wrapping the lining positioning steel sleeve (11), and the self-lubricating wear-resistant ring (101) is embedded on the inner peripheral wall of the lining positioning steel sleeve (11).

6. Intelligent retarder according to claim 5, wherein the plastic housing (12) is embedded with a metal panel.

7. Intelligent retarder according to claim 6, wherein the metal panels are fixed by welding to the peripheral wall of the lining-positioning steel sleeve (11).

8. The intelligent retarder according to claim 5, wherein the sliding cylinder assembly (20) further comprises a telescopic rod portion (22), a supporting seat (40) is sleeved on the telescopic rod portion (22), and the supporting seat (40) is abutted against the bottom of the lining positioning steel sleeve (11) on one side end face away from the telescopic rod portion (22).

9. The intelligent retarder according to claim 5, further comprising a stop pin (50), wherein the stop pin (50) sequentially penetrates through the plastic housing (12) and the lining positioning steel sleeve (11) and extends into the sliding hole (100) to limit the movement of the cylinder part (21) on the lining positioning steel sleeve (11).

10. The intelligent retarder according to claim 8, further comprising a plastic base (60), the plastic base (60) being mounted on the bottom of the plastic housing (12) by means of a limit screw (61);

the pressure sensor (70) is embedded in the plastic base (60), and an induction contact (71) of the pressure sensor (70) penetrates through the plastic shell (12) and the lining positioning steel sleeve (11) and is in abutting fit with the telescopic rod part (22).