CN218198281U

CN218198281U - Railway pull rod spring seat assembly

Info

Publication number: CN218198281U
Application number: CN202222787319.6U
Authority: CN
Inventors: 熊毅; 沈霞; 谭建平
Original assignee: Hubei Sanmin Equipment Technology Co ltd
Current assignee: Hubei Sanmin Equipment Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-03
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a railway pull rod spring holder assembly, including pull rod spring base, two recesses have been seted up to pull rod spring base's upper surface symmetry, the inside wall bottom fixedly connected with sleeve of recess, pull rod spring base's lower surface is run through to telescopic bottom, telescopic last fixed surface is connected with the spacing ring, telescopic internally mounted has the spring, two mounting grooves have been seted up to pull rod spring base's bilateral symmetry, fixing bolt fixedly connected with connecting block is passed through to the inside of mounting groove. The utility model discloses a sleeve plays the guard action to the spring, prevents that the spring from exposing in external environment, can reach waterproof dirt-proof effect at the in-process that the spring used, slows down ageing and the corrosion process of spring, prolongs the life of spring, when the installation pull rod, makes things convenient for operating personnel to find the mounted position of pull rod fast through the constant head tank, reduces the required time of location, improves the packaging efficiency of pull rod spring holder assembly.

Description

Railway pull rod spring seat assembly

Technical Field

The utility model relates to a pull rod spring holder assembly specifically is a railway pull rod spring holder assembly, belongs to railway locomotive accessory and makes technical field.

Background

The railway pull rod spring seat assembly is one of important fittings of a railway locomotive and generally comprises a pull rod spring seat and a pull rod spring arranged on the pull rod spring seat, wherein the railway pull rod spring seat assembly is connected with a frame to play roles of bearing the weight of a vehicle and transferring various functions, and ensure good lubricating performance so that a hot axle phenomenon cannot occur when an axle runs at a high speed.

The utility model discloses the china discloses authorize utility model: CN202935362U discloses a locomotive bogie and its axle box body. The axle box body is provided with a bearing matching hole, at least two spring seats and at least two pull rod seats correspondingly arranged with the two spring seats, wherein the two spring seats are arranged in bilateral symmetry relative to the axis of the bearing matching hole. The two spring seats and the two pull rod seats of the device are arranged symmetrically left and right relative to the axis of the bearing matching hole, so that the whole shaft box body is an axisymmetric part, the casting and processing technology of the shaft box body is simplified, and the production cost of the shaft box body is reduced.

However, when the device is used for installing the pull rod and the spring, a part of the spring is exposed in an external environment, the pull rod spring seat cannot play a good protection effect on the spring, the spring can be gradually aged or corroded in the long-time use process, the service life of the spring is shortened, meanwhile, in the installation process of the pull rod, an operator is required to manually find the installation position, the operation is inconvenient, and therefore, the railway pull rod spring seat assembly is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a railway pull rod spring holder assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a railway pull rod spring holder assembly, includes pull rod spring base, two recesses have been seted up to pull rod spring base's upper surface symmetry, the inside wall bottom fixedly connected with sleeve of recess, telescopic bottom runs through pull rod spring base's lower surface, telescopic last fixed surface is connected with the spacing ring, telescopic internally mounted has the spring, two mounting grooves have been seted up to pull rod spring base's bilateral symmetry, fixing bolt fixedly connected with connecting block is passed through to the inside of mounting groove, the mounting hole has been seted up to one side of connecting block, fixing bolt threaded connection is in the inside of mounting hole, the lateral wall of connecting block rotates and is connected with the pull rod body, and pull rod spring base passes through welded mode and frame fixed connection, and the sleeve slightly protrudes in pull rod spring base's bottom, and the mounting groove inside wall has certain inclination, also corresponding setting certain inclination on the lateral wall of connecting block.

Further preferred is: the front surface of the pull rod spring base is provided with a bearing matching hole.

Further preferred is: telescopic inside wall sliding connection has the stopper, the last fixed surface of stopper is connected with the slide bar, and the spacing ring plays limiting displacement to the stopper, prevents that the spring from breaking away from the sleeve.

Further preferred is: the slide bar sliding connection is in the inside wall of spacing ring, the top of spring with the lower fixed surface of stopper is connected, when the spring is in free state, promotes the stopper upward movement, receives pressure when the spring after, takes place elastic deformation and compressed, can cushion the pressure shock that the pull rod spring holder assembly received through the spring.

Further preferred is: the cavity is formed in the sliding rod, the weight of the sliding rod can be reduced through the cavity, and therefore the pressure of the sliding rod on the spring is reduced.

Further preferably: the upper surface of the slide bar is fixedly connected with a connecting plate, and the connecting plate is welded at the top of the slide bar.

Further preferred is: threaded holes are symmetrically formed in four corners of the connecting plate.

Further preferred is: two ends of the pull rod body are symmetrically in threaded connection with two rubber sleeves, and the rubber sleeves are fixedly connected to the outer side wall of the pull rod body in a vulcanization mode.

Has the advantages that:

the utility model discloses a sleeve plays the guard action to the spring, prevents that the spring from exposing in external environment, can reach waterproof dirt-proof effect at the in-process that the spring used, slows down ageing and the corrosion processes of spring, prolongs the life of spring, and the sleeve also conveniently fixes a position and installs the spring simultaneously, when the installation pull rod, makes things convenient for operating personnel to find the mounted position of pull rod fast through the constant head tank, reduces the required time of location, improves the packaging efficiency of pull rod spring holder assembly.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is another schematic view of the structure of the present invention;

fig. 3 is a schematic cross-sectional structural view of the sleeve of the present invention;

fig. 4 is an enlarged schematic view of the pull rod of the present invention.

In the figure: 11. a pull rod spring base; 12. a bearing mating hole; 13. a groove; 14. a sleeve; 15. a limiting ring; 16. a spring; 17. a slide bar; 18. a cavity; 19. a limiting block; 20. a connecting plate; 21. mounting grooves; 22. connecting blocks; 23. mounting holes; 24. fixing the bolt; 25. a pull rod body; 26. a rubber sleeve; 27. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a railway pull rod spring holder assembly, including pull rod spring base 11, two recesses 13 have been seted up to pull rod spring base 11's upper surface symmetry, recess 13's inside wall bottom fixedly connected with sleeve 14, the lower surface of pull rod spring base 11 is run through to sleeve 14's bottom, sleeve 14's last fixed surface is connected with spacing ring 15, sleeve 14's internally mounted has spring 16, two mounting grooves 21 have been seted up to pull rod spring base 11's bilateral symmetry, fixing bolt 24 fixedly connected with connecting block 22 is passed through to mounting groove 21's inside, mounting hole 23 has been seted up to one side of connecting block 22, fixing bolt 24 threaded connection is in the inside of mounting hole 23, connecting block 22's lateral wall rotates and is connected with the pull rod body 25, pull rod spring base 11 is through welded mode and frame fixed connection, improve pull rod spring base 11's stability, sleeve 14 slightly protrudes in pull rod spring base 11's bottom, provide more work space for spring 16, mounting groove 21 inside wall has certain inclination, also corresponding certain inclination that sets up on the lateral wall of connecting block 22, convenient location when equipment mounting groove 21 and connecting block 22, save time, and improve the packaging efficiency.

In this embodiment, specifically: the front surface of the pull rod spring base 11 is provided with a bearing matching hole 12.

In this embodiment, specifically: the inside wall sliding connection of sleeve 14 has stopper 19, and stopper 19's last fixed surface is connected with slide bar 17, and stop collar 15 plays limiting displacement to stopper 19, prevents that spring 16 from breaking away from sleeve 14, and stop collar 15 is fixed in on sleeve 14 through the bolt, puts into spring 16 earlier when installing spring 16, then installs slide bar 17 and stop collar 15.

In this embodiment, specifically: the slide bar 17 is connected with the inner side wall of the limiting ring 15 in a sliding mode, the top end of the spring 16 is fixedly connected with the lower surface of the limiting block 19, when the spring 16 is in a free state, the limiting block 19 is pushed to move upwards, after the spring 16 is under pressure, elastic deformation occurs and the spring is compressed, and pressure impact on the pull rod spring seat assembly can be buffered through the spring 16.

In this embodiment, specifically: the inside of the sliding rod 17 is provided with a cavity 18, and the cavity 18 can reduce the weight of the sliding rod 17, thereby reducing the pressure of the sliding rod 17 on the spring 16 and reducing the working load of the spring 16.

In this embodiment, specifically: the upper surface of the slide bar 17 is fixedly connected with a connecting plate 20, and after the limiting ring 15 is sleeved on the outer side wall of the slide bar 17, the connecting plate 20 is welded at the top end of the slide bar 17.

In this embodiment, specifically: threaded holes 27 are symmetrically formed in four corners of the connecting plate 20, and the threaded holes 27 are used for connecting the frame and the pull rod spring seat assembly.

In this embodiment, specifically: two ends of the pull rod body 25 are symmetrically and threadedly connected with two rubber sleeves 26, and the rubber sleeves 26 are fixed on the outer side wall of the pull rod body 25 in a vulcanization mode.

Working principle or structural principle, in use, place spring 16 in the inside of sleeve 14, locate slide bar 17's lateral wall with spacing ring 15 cover, weld connecting plate 20 in slide bar 17's top and form a whole, put slide bar 17 whole into sleeve 14 again, pass through bolt fastening on sleeve 14 with spacing ring 15, play the guard action to spring 16 through sleeve 14, prevent that spring 16 from exposing in the external environment, can reach waterproof dirt-proof effect in the in-process that spring 16 used, slow down the ageing and the corruption process of spring 16, the life of extension spring 16, sleeve 14 slightly protrudes in the bottom of pull rod spring base 11, provide more working space for spring 16, when the installation pull rod, the mounting groove 21 inside wall has certain inclination, also corresponding setting certain inclination on the lateral wall of connecting block 22, convenient location when equipment mounting groove 21 and connecting block 22, operating personnel can find the mounted position of pull rod fast, reduce the required time of location, improve the packaging efficiency of spring holder assembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a railway pull rod spring holder assembly, includes pull rod spring base (11), its characterized in that: two recesses (13) have been seted up to the upper surface symmetry of pull rod spring base (11), inside wall bottom fixedly connected with sleeve (14) of recess (13), the lower surface of pull rod spring base (11) is run through to the bottom of sleeve (14), the last fixed surface of sleeve (14) is connected with spacing ring (15), the internally mounted of sleeve (14) has spring (16), two mounting grooves (21) have been seted up to the bilateral symmetry of pull rod spring base (11), fixing bolt (24) fixedly connected with connecting block (22) are passed through to the inside of mounting groove (21), mounting hole (23) have been seted up to one side of connecting block (22), fixing bolt (24) threaded connection is in the inside of mounting hole (23), the lateral wall of connecting block (22) rotates and is connected with pull rod body (25).

2. The railway drawbar spring seat assembly according to claim 1, wherein: the front surface of the pull rod spring base (11) is provided with a bearing matching hole (12).

3. The railway drawbar spring seat assembly according to claim 1, wherein: the inside wall sliding connection of sleeve (14) has stopper (19), the last fixed surface of stopper (19) is connected with slide bar (17).

4. A railway drawbar spring seat assembly according to claim 3, wherein: the slide bar (17) is connected to the inner side wall of the limiting ring (15) in a sliding mode, and the top end of the spring (16) is fixedly connected with the lower surface of the limiting block (19).

5. The railway tie rod spring seat assembly of claim 4, wherein: a cavity (18) is arranged inside the sliding rod (17).

6. The railway drawbar spring seat assembly according to claim 5, wherein: the upper surface of the sliding rod (17) is fixedly connected with a connecting plate (20).

7. The railway drawbar spring seat assembly according to claim 6, wherein: threaded holes (27) are symmetrically formed in four corners of the connecting plate (20).

8. The railway drawbar spring seat assembly according to claim 1, wherein: two ends of the pull rod body (25) are symmetrically connected with two rubber sleeves (26) through threads.