CN211312024U

CN211312024U - Guide device for correcting running direction of steel rail

Info

Publication number: CN211312024U
Application number: CN201921620892.XU
Authority: CN
Inventors: 朱林荣; 李季阳; 王忠权; 高健
Original assignee: Shanghai Public Works Overhaul Section of China Railway Shanghai Group Co Ltd
Current assignee: Shanghai Public Works Overhaul Section of China Railway Shanghai Group Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-21
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a correct rail and walk guider of line direction, including backup pad, setting at the supporting baseplate at backup pad both sides top and set up the central supporting in backup pad middle part top, install through fixing bolt and fixation nut between two supporting baseplate and the backup pad, through fixing bolt and fixation nut installation between central supporting and the backup pad, the both ends of axle wear out after the central supporting and with the opposite face installation of two supporting baseplate. The utility model discloses can correct the rail and walk line direction, when rail tip and guider bump, reduce the impact to making the cone-shaped roller produce the pivoted within range. When the roller linear velocity is accelerated to the steel rail traveling velocity within 0.1 second according to calculation, the impact force is about 100N, the deformation and impact damage of the rail bottom corner at the end part of the steel rail can be completely prevented, and the roller type steel rail speed changer is suitable for steel rails with different weight grades, and has the advantages of convenience in replacement, noise reduction, long service life and the like.

Description

Guide device for correcting running direction of steel rail

Technical Field

The utility model relates to a rail production facility technical field specifically is a correct rail and walk guider of line direction.

Background

The high reliability, high stability and high smoothness of the high-speed railway require high-quality seamless lines. The welding quality of the steel rail directly influences the safety and smoothness of the seamless track of the high-speed railway and the comfort of a passenger train, so that the welding quality of the steel rail and the steel rail is required to have high reliability and high smoothness.

The ultra-long steel rail used for the seamless track of the high-speed railway is formed by welding construction in a steel mill, a welding rail base and a track site. A steel mill transports the produced 100m steel rails to a rail welding base, the rail welding base welds and processes 5 100m steel rails into 500m long steel rails, the steel rails are transported to a construction site through a special train, and after 500m long steel rails are scattered according to the route mileage by constructors, the 500m long steel rails are connected into the ultra-long steel rails in a welding mode.

In the production process of the welding rail base, a single steel rail of 100m or 500m is laid on a plurality of rollers, the rollers are driven by a motor to rotate, and the steel rail is driven to move forwards or backwards by using friction force. The simple rollers and devices are arranged and combined to form the steel rail running roller path line. And conveying the steel rail or the steel rail welding seam to each operation station.

Due to the influences of the foundation settlement of a steel rail running roller line and the integral installation precision of a roller and a guiding device, the direction of the front end of a steel rail running on the roller line can be changed, so that the steel rail collides with a device on the roller line violently, the end part of the steel rail generates deformation and bruise, and the subsequent welding centering is influenced; finally, the appearance of the steel rail welding joint exceeds the standard, and the welding internal quality is possibly seriously influenced.

The existing steel rail guiding is divided into vertical wheel guiding, splayed guiding and the like, and aims to correct the running direction of a steel rail, but when the end part of the steel rail enters a guiding device, the end part of the steel rail possibly collides with the guiding device, and the impact force during collision cannot be limited, so that the end part of the steel rail generates deformation and bruise. Affecting the quality of subsequent welds.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the aforesaid not enough, design a stop device that the direction was walked to the restriction rail, the restriction rail walk the direction, easily maintain and change and can finely tune interval and installation error.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a correct guider that rail walked direction, which comprises a supporting plate, the supporting baseplate of setting at backup pad both sides top and the central supporting of setting in backup pad middle part top, install through fixing bolt and fixation nut between two supporting baseboards and the backup pad, install through fixing bolt and fixation nut between central supporting and the backup pad, the both ends of axle wear out the central supporting back and with the opposite face installation of two supporting baseboards, and prevent the axle rotation in service through the locking gasket of gasket bolt fastening in the both ends outside of axle, the roller passes through the bearing and installs epaxially, and the outside that is close to the bearing on the roller is installed end cover and sealing washer through the end cover bolt.

Preferably, the roller is designed to be conical, and the conical bevel edge plays a role in correcting the running direction of the steel rail and reducing impact force.

Preferably, the number of the rollers is two, and the two rollers are symmetrically arranged by taking the central support as a vertical central line.

Preferably, both ends of the shaft are lubricated by injecting a third lithium grease into the inner bearing through a nozzle tip.

Preferably, the two support base plates achieve the purpose of adjusting the spacing distance between the two support base plates by changing the installation positions of the fixing bolts and the fixing nuts on the support plates.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses can correct the rail and walk line direction, when rail tip and this guider bump, reduce the impact to making the cone-shaped roller produce the pivoted within range. When the roller linear velocity is accelerated to the steel rail traveling velocity within 0.1 second according to calculation, the impact force is about 100N, the deformation and impact damage of the rail bottom corner at the end part of the steel rail can be completely prevented, and the roller type steel rail speed changer is suitable for steel rails with different weight grades, and has the advantages of convenience in replacement, noise reduction, long service life and the like.

Drawings

Fig. 1 is a schematic structural diagram of a front view of the present invention;

fig. 2 is a schematic structural view of a partial sectional view of a front view of the present invention.

In the figure: 1-fixing nut, 2-stop washer, 3-supporting base plate, 4-end cover bolt, 5-roller, 6-end cover, 7-central support, 8-shaft, 9-bearing, 10-sealing ring, 11-fixing bolt, 12-washer bolt, 13-oil nozzle and 14-supporting plate.

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.

Referring to fig. 1 to 2, the present invention provides a technical solution: a guide device for correcting the running direction of a steel rail comprises a supporting plate 14, supporting bottom plates 3 arranged at the tops of two sides of the supporting plate 14 and a central support 7 arranged above the middle part of the supporting plate 14, wherein the two supporting bottom plates 3 and the supporting plate 14 are installed through fixing bolts 11 and fixing nuts 1, the two supporting bottom plates 3 realize the purpose of adjusting the spacing distance between the two supporting bottom plates 3 by changing the installation positions of the fixing bolts 11 and the fixing nuts 1 on the supporting plate 14, the central support 7 and the supporting plate 14 are installed through the fixing bolts 11 and the fixing nuts 1, two ends of a shaft 8 penetrate through the central support 7 and are installed with opposite surfaces of the two supporting bottom plates 3, and a stop gasket 2 fixed at the outer sides of two ends of the shaft 8 through a gasket bolt 12 prevents the shaft 8 from rotating in the running process, rollers 5 are installed on the shaft 8 through a bearing 9, and the number of, two rollers 5 are symmetrically arranged by taking a central support 7 as a vertical central line, each roller can be independently and easily installed, detached, debugged and adjusted, two ends of a shaft 8 are filled with three lithium-based greases into an inner bearing 9 through oil nozzles 13 to keep lubrication, the rollers 5 are designed to be conical, the conical bevel edge plays a role in correcting the steel rail traveling direction and reducing impact force, once abnormal steel rail traveling occurs, automatic correction can be performed, the impact force release performance of a steel rail end part when a rail base angle is collided is greatly improved, and an end cover 6, a sealing ring 10, water proofing and dust prevention are installed on the outer side of the rollers 5 close to the bearing 9 through end cover bolts 4.

The working principle is as follows: when the guide device for correcting the running direction of the steel rail is used, the tapered bevel edge of the roller 5 can correct the running direction of the steel rail when the roller rolls, and when the end part of the steel rail collides with the guide device, the collision force is reduced to a range that the tapered roller 5 rotates. When the linear velocity of the 5 rollers is accelerated to the running speed of the steel rail within 0.1 second according to calculation, the impact force is about 100N, the deformation and impact damage of the rail bottom angle at the end part of the steel rail can be completely prevented, and the steel rail rolling wheel is suitable for steel rails with different weight grades, and has the advantages of convenience in replacement, noise reduction, long service life and the like.

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 correct rail and walk guider of direction, includes backup pad (14), sets up supporting baseplate (3) and central support (7) of setting in backup pad (14) middle part top at backup pad (14) both sides top, its characterized in that: the two supporting base plates (3) and the supporting plate (14) are installed through fixing bolts (11) and fixing nuts (1), the central support (7) and the supporting plate (14) are installed through the fixing bolts (11) and the fixing nuts (1), two ends of the shaft (8) penetrate through the central support (7) and are installed on opposite surfaces of the two supporting base plates (3), the shaft (8) is prevented from rotating in the running process through the stop gaskets (2) fixed on the outer sides of the two ends of the shaft (8) through the gasket bolts (12), the roller (5) is installed on the shaft (8) through the bearing (9), and the outer side, close to the bearing (9), of the roller (5) is provided with the end cover (6) and the sealing ring (10) through the end cover bolt (4).

2. The apparatus of claim 1, wherein the guide means for correcting the direction of travel of the rail comprises: the roller (5) is designed to be conical, and the conical bevel edge plays a role in correcting the running direction of the steel rail and reducing impact force.

3. The apparatus of claim 1, wherein the guide means for correcting the direction of travel of the rail comprises: the number of the rollers (5) is two, and the two rollers (5) are symmetrically arranged by taking the central support (7) as a vertical central line.

4. The apparatus of claim 1, wherein the guide means for correcting the direction of travel of the rail comprises: and two ends of the shaft (8) are injected with third lithium grease into the internal bearing (9) through the oil nozzle (13) to keep lubrication.

5. The apparatus of claim 1, wherein the guide means for correcting the direction of travel of the rail comprises: the purpose of adjusting the limiting distance between the two supporting bottom plates (3) is achieved by changing the mounting positions of the fixing bolts (11) and the fixing nuts (1) on the supporting plates (14).