CN214028626U

CN214028626U - Guide sleeve structure inside and outside rail car landing leg

Info

Publication number: CN214028626U
Application number: CN202023114972.3U
Authority: CN
Inventors: 谢金伦
Original assignee: Hubei Tejia Precision Technology Co ltd
Current assignee: Hubei Tejia Precision Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-24
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses an inside and outside guide pin bushing structure of railcar landing leg relates to guiding mechanism technical field, the on-line screen storage device comprises a base, the central fixedly connected with installation piece of base upper surface, the last surface mosaic of installation piece has the nut, the surface threaded connection of installation piece has the sleeve pipe, sheathed tube last surface sliding connection has the guide pillar, the shifting chute has been seted up to the bottom surface of guide pillar, the spout has been seted up to the inside of shifting chute, the inside sliding connection of spout has the slide, the bottom surface fixedly connected with connecting rod of slide, and connecting rod sliding connection in the inside of shifting chute, the bottom threaded connection of connecting rod is in the inside of nut, the surface cover of connecting rod is equipped with the spring. The utility model relates to a rational in infrastructure, it can set up through the cooperation between installation piece, sleeve pipe, nut and the connecting rod, has reached the purpose of the split type equipment of guide pin bushing structure, can change the part of damage alone, the effectual cost of maintenance that has reduced.

Description

Guide sleeve structure inside and outside rail car landing leg

Technical Field

The utility model relates to a guiding mechanism technical field specifically is an inside and outside guide pin bushing structure of railcar landing leg.

Background

The rail car is a main transport tool for executing tasks by construction departments such as railway equipment maintenance, overhaul, capital construction and the like, the rail car is divided into a heavy type and a light type, a line can be withdrawn by passengers at any time, the rail car is called a light rail car, the line cannot be withdrawn by the passengers at any time, the rail car is called a heavy rail car, the guide sleeve is a die accessory which is matched with the guide pillar to play a role in guiding, the matching gap between the guide sleeve and the guide pillar is very small and is within 0.05mm, and the accuracy of the movement of the support leg is ensured by using the guide sleeve structure on the support leg of the rail car.

At present, apply to the guide pin bushing structure on the railcar landing leg when using, the guide pillar bumps in the guide pin bushing easily when the gliding, causes guide pin bushing or guide pillar to damage, needs often to maintain or change the guide pin bushing, and the most formula structure as an organic whole of traditional guide pin bushing structure, need carry out the whole change after guide pin bushing or guide pillar damage, and cost of maintenance is higher. Therefore, the guide sleeve structure inside and outside the support leg of the rail car solves the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing an interior outer guide pin bushing structure of railcar landing leg in order to compensate prior art not enough.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inside and outside guide pin bushing structure of railcar landing leg, includes the base, the central fixedly connected with installation piece of base upper surface, the last surface mosaic of installation piece has the nut, the surface threaded connection of installation piece has the sleeve pipe, sheathed tube upper surface sliding connection has the guide pillar, the shifting chute has been seted up to the bottom surface of guide pillar, the spout has been seted up to the inside of shifting chute, the inside sliding connection of spout has the slide, the bottom surface fixedly connected with connecting rod of slide, and connecting rod sliding connection in the inside of shifting chute, the bottom threaded connection of connecting rod is in the inside of nut, the surface cover of connecting rod is equipped with the spring, and the spring is arranged in the crack between spout and the installation piece.

Furthermore, an oil cavity is formed in the sleeve, an oil filling pipe is fixedly communicated with the top of the outer surface of the sleeve, and the oil filling pipe is fixedly communicated with the oil cavity.

Furthermore, the inner wall of the sleeve is fixedly communicated with guide pipes which are arranged at equal intervals, and one end of each guide pipe, which is far away from the guide post, extends into the oil cavity.

Furthermore, the outer surface of the guide post is provided with a guide groove, and one end of the guide tube, which is far away from the sleeve, is slidably connected inside the guide groove.

Furthermore, a side face, far away from the sleeve, of each guide pipe is rotatably connected with a ball, and the outer surface of each ball is in contact with the inner wall of each guide pipe.

Furthermore, the inner threads of the base are connected with fixing bolts in a circumferential array, and the fixing bolts are located outside the sleeve.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the guide pin bushing structure in this railcar landing leg possesses following beneficial effect:

the utility model discloses a cooperation setting between installation piece, sleeve pipe, nut and the connecting rod, through the inside of connecting rod spiral insert nut, realized the purpose that the guide pillar is connected with the installation piece, through the sleeve pipe spiral cover at the surface of installation piece, realized sleeve pipe and the fixed purpose mutually of installation piece, to sum up, reached the purpose to the split type equipment of guide pin bushing structure, can change the part of damage alone, the effectual cost of maintenance that has reduced.

Two, the utility model discloses a cooperation setting between shifting chute, spout, slide, connecting rod and the spring makes the guide pillar pass through the shifting chute and slides on the connecting rod to under the effect of spout and slide, lead to the guide pillar and spacing, through the effect of spring self elasticity, realized the purpose that supports the guide pillar buffering, produce the collision with the installation piece when having avoided guide pillar elevating movement, prolonged the life of guide pillar.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a structure a in fig. 2 according to the present invention.

In the figure: 1. a base; 2. fixing the bolt; 3. mounting blocks; 4. a nut; 5. a sleeve; 6. an oil chamber; 7. an oil filling pipe; 8. a spring; 9. a guide tube; 10. a ball bearing; 11. a guide post; 12. a guide groove; 13. a moving groove; 14. a chute; 15. a slide plate; 16. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides an inside and outside guide pin bushing structure of railcar landing leg, the on-line screen storage device comprises a base 1, the central fixedly connected with installation piece 3 of 1 upper surface of base, the last surface mosaic of installation piece 3 has nut 4, the surface threaded connection of installation piece 3 has sleeve pipe 5, sleeve pipe 5's last sliding connection has guide pillar 11, shifting chute 13 has been seted up to guide pillar 11's bottom surface, spout 14 has been seted up to shifting chute 13's inside, spout 14's inside sliding connection has slide 15, slide 15's bottom surface fixedly connected with connecting rod 16, and connecting rod 16 sliding connection is in the inside of shifting chute 13, the bottom threaded connection of connecting rod 16 is in the inside of nut 4, connecting rod 16's surface cover is equipped with spring 8, and spring 8 is located the crack between spout 14 and the installation piece 3.

Further, an oil cavity 6 is formed in the sleeve 5, an oil filling pipe 7 is fixedly communicated with the top of the outer surface of the sleeve 5, and the oil filling pipe 7 is fixedly communicated with the oil cavity 6. By arranging the oil filling pipe 7, lubricating oil is filled into the oil cavity 6 through the oil filling pipe 7, and the purpose of storing the lubricating oil is achieved.

Furthermore, the inner wall of the sleeve 5 is fixedly communicated with guide pipes 9 which are arranged at equal intervals, and one end of each guide pipe 9, which is far away from the guide post 11, extends to the inside of the oil chamber 6. By providing the guide pipe 9, the lubricating oil in the oil chamber 6 is collected inside the guide pipe 9.

Furthermore, the outer surface of the guide post 11 is provided with a guide groove 12, and one end of the guide tube 9 far away from the sleeve 5 is slidably connected inside the guide groove 12. Through setting up guide way 12, make guide pillar 11 pass through guide way 12 and slide on stand pipe 9, realized guide and spacing purpose to guide pillar 11.

Further, a side surface of each guide tube 9 far from the sleeve 5 is rotatably connected with a ball 10, and the outer surface of the ball 10 is in contact with the inner wall of the guide tube 9. By providing the balls 10, the balls 10 are rotated inside the guide grooves 12, and friction between the guide tube 9 and the guide grooves 12 is reduced.

Further, the inner part of the base 1 is connected with a circumferential array of fixing bolts 2 by screw threads, and the fixing bolts 2 are positioned outside the sleeve 5. Through setting up fixing bolt 2, be convenient for load and unload base 1.

The working principle is as follows: when the guide sleeve structure is required to be assembled and used, firstly, the base 1 is fixedly installed to a proper position through the fixing bolt 2, then the spring 8 is sleeved on the outer surface of the connecting rod 16, the bottom end of the connecting rod 16 is inserted into the nut 4 in a spiral mode, then the sleeve 5 is inserted into the guide groove 12 through the guide pipe 9, the sleeve 5 is sleeved on the outer surface of the guide post 11, the sleeve 5 is installed on the outer surface of the installing block 3 in a spiral mode, finally, lubricating oil is injected into the oil cavity 6 through the oil injection pipe 7 and is conveyed into the guide pipe 9 through the oil cavity 6, friction between the ball 10 and the guide pipe 9 is reduced, the aim of split type assembly of the guide sleeve structure is achieved, damaged parts can be replaced independently, maintenance cost is reduced, when the guide sleeve structure is used, the guide post 11 slides on the connecting rod 16 through the moving groove 13, and under the action of the sliding groove 14 and the sliding plate 15, guide and spacing guide pillar 11, through the effect of 8 self elastic forces of spring, realized the purpose to guide pillar 11 buffering support, produced the collision with installation piece 3 when having avoided guide pillar 11 elevating movement, prolonged guide pillar 11's life.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 an interior outer guide pin bushing structure of railcar landing leg, includes base (1), its characterized in that: the center of the upper surface of the base (1) is fixedly connected with an installation block (3), the upper surface of the installation block (3) is embedded with a nut (4), the outer surface of the mounting block (3) is in threaded connection with a sleeve (5), the upper surface of the sleeve (5) is in sliding connection with a guide post (11), the bottom surface of the guide post (11) is provided with a moving groove (13), the inside of the moving groove (13) is provided with a sliding groove (14), a sliding plate (15) is connected inside the sliding groove (14) in a sliding way, the bottom surface of the sliding plate (15) is fixedly connected with a connecting rod (16), the connecting rod (16) is connected inside the moving groove (13) in a sliding manner, the bottom end of the connecting rod (16) is connected inside the nut (4) in a threaded manner, the outer surface of the connecting rod (16) is sleeved with a spring (8), and the spring (8) is positioned in a crack between the sliding groove (14) and the mounting block (3).

2. The inside and outside guide sleeve structure of the rail car support leg according to claim 1, characterized in that: an oil cavity (6) is formed in the sleeve (5), an oil filling pipe (7) is fixedly communicated with the top of the outer surface of the sleeve (5), and the oil filling pipe (7) is fixedly communicated with the oil cavity (6).

3. The inside and outside guide sleeve structure of the rail car support leg according to claim 2, characterized in that: the inner wall of the sleeve (5) is fixedly communicated with guide pipes (9) which are arranged at equal intervals, and one end, far away from the guide post (11), of each guide pipe (9) extends into the oil cavity (6).

4. The inside and outside guide sleeve structure of the rail car support leg according to claim 3, characterized in that: the outer surface of the guide post (11) is provided with a guide groove (12), and one end of the guide tube (9) far away from the sleeve (5) is connected inside the guide groove (12) in a sliding manner.

5. The inside and outside guide sleeve structure of the rail car support leg according to claim 4, characterized in that: each guide tube (9) is far away from one side surface of the sleeve (5) and is rotatably connected with a ball (10), and the outer surface of the ball (10) is in contact with the inner wall of the guide tube (9).

6. The inside and outside guide sleeve structure of the rail car support leg according to claim 1, characterized in that: the inner thread of the base (1) is connected with fixing bolts (2) in a circumferential array, and the fixing bolts (2) are located outside the sleeve (5).