CN113043141A

CN113043141A - Short-length steel rail grinding device

Info

Publication number: CN113043141A
Application number: CN202110307737.8A
Authority: CN
Inventors: 彭宏亮; 庞兴利; 贾子松; 李大东
Original assignee: Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Current assignee: Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-06-29
Anticipated expiration: 2041-03-23
Also published as: CN113043141B

Abstract

The invention discloses a short steel rail grinding device which comprises a driving assembly and a grinding head assembly arranged on one side of the driving assembly, wherein the driving assembly comprises a slidable sliding seat and a driving piece I connected with and driving the sliding seat to slide, the grinding head assembly comprises a rotatable grinding wheel and a driving piece II connected with and driving the grinding wheel to rotate, and the sliding seat is used for fixing and driving a steel rail to move so as to realize that the grinding wheel grinds the rail waist position of the steel rail. Above-mentioned short chi rail grinding device realizes the initiative rust cleaning of emery wheel to the web of rail through driving the rail motion.

Description

Short-length steel rail grinding device

Technical Field

The invention relates to the technical field of automatic rust removal of rail webs of steel rails, in particular to a short steel rail grinding device.

Background

At present, most of steel rails are welded, the welding performance of the steel rails must be checked before delivery, and the surface smoothness of the steel rails directly determines the current density and the success of welding.

Rust removal is needed before welding of a sample rail to be inspected, the conventional steel rail surface treatment method comprises a handheld grinder, laser, sand blasting and the like, and the manual handheld grinder is used for grinding, so that time and labor are wasted, and noise and dust pollution are serious; the laser rust removal cost is high, and the rust removal time is long; the sand blasting method cannot remove the surface scale. At present, all short steel rail welding samples are forced to adopt a manual polishing mode, and automatic polishing equipment for removing rust on the rail web of the short steel rail is not available in the market.

Therefore, how to provide a short steel rail grinding device suitable for rust removal of the rail web of the short steel rail is a technical problem which needs to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a short steel rail grinding device, which can realize active rust removal of a grinding wheel to a rail web by driving a steel rail to move.

In order to achieve the purpose, the invention provides a short steel rail grinding device which comprises a driving assembly and a grinding head assembly arranged on one side of the driving assembly, wherein the driving assembly comprises a slidable sliding seat and a driving piece I connected with and driving the sliding seat to slide, the grinding head assembly comprises a rotatable grinding wheel and a driving piece II connected with and driving the grinding wheel to rotate, and the sliding seat is used for fixing and driving a steel rail to move so as to realize that the grinding wheel grinds the rail waist position of the steel rail.

Preferably, the grinding head assembly comprises a vertical column, a moving rod and a moving plate for mounting the grinding wheel and the driving piece II, the moving plate is hinged with one end of the moving rod, and the other end of the moving rod is hinged with the vertical column.

Preferably, the grinding head assembly further comprises a driving piece III, one end of the driving piece III is hinged to the moving plate, and the other end of the driving piece III is hinged to the upright post through a loose joint.

Preferably, the upright comprises a sleeve and a height-adjustable stem mounted in the sleeve.

Preferably, driving piece I is the pneumatic cylinder, driving piece II is the hydraulic motor, driving piece III is pneumatic tendon.

Preferably, the grinding head grinding device comprises a frame, the driving assembly and the grinding head assembly are arranged in the frame, a panel is arranged on the periphery of the frame, and a top plate is arranged on the top side of the frame.

Preferably, the grinding wheel is a millstone.

Preferably, the driving assembly comprises guide wheels arranged at two sides of the sliding seat in the sliding direction.

Preferably, two ends of the sliding seat are provided with a positioning plate for fixing the steel rail and a T-shaped groove bolt for locking the positioning plate.

Preferably, the grinding head assemblies are arranged in two groups at the rail web positions on two sides of the steel rail, and the number of the grinding head assemblies in each group is multiple.

Compared with the prior art, the short steel rail grinding device provided by the invention comprises a driving assembly and a grinding head assembly, wherein the grinding head assembly is arranged on one side of the driving assembly, the driving assembly comprises a sliding seat and a driving piece I, the driving piece I is connected with and drives the sliding seat to slide, the grinding head assembly comprises a grinding wheel and a driving piece II, the driving piece II is connected with and drives the grinding wheel to rotate, a steel rail is fixed on the sliding seat, and the grinding wheel is used for grinding and derusting the rail web of the steel rail through the relative movement of the steel rail to; the short steel rail polishing device realizes the sliding of the sliding seat through the driving piece I so as to drive the steel rail fixed on the sliding seat to move, and realizes the rotation of the grinding wheel through the driving piece II so as to polish the rail web of the steel rail; this short chi rail grinding device utilizes the sliding seat to drive the relative emery wheel motion of rail, makes the emery wheel polish comprehensively to the web of rail position of rail, compares in the mode of artifical polishing, and the automatic rust cleaning of polishing has shorter polishing time, higher efficiency of polishing and the more excellent effect of polishing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a short steel rail grinding device according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a short rail grinding apparatus according to a second embodiment of the present invention;

fig. 3 is a schematic view of a short steel rail grinding device according to a third embodiment of the present invention.

Wherein:

the device comprises a steel rail 1, a positioning plate 2, a T-shaped groove bolt 3, a sliding seat 4, a motion rod 5, a vertical column 6, a loose joint 7, pneumatic tendons 8, guide wheels 9, a grinding wheel 10, a motion plate 11, a hydraulic cylinder 12, a hydraulic motor 13, a frame 14, a panel 15 and a top plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic view of a short steel rail grinding device according to a first embodiment of the present invention, fig. 2 is a schematic view of a short steel rail grinding device according to a second embodiment of the present invention, and fig. 3 is a schematic view of a short steel rail grinding device according to a third embodiment of the present invention.

In a first specific embodiment, the short steel rail grinding device provided by the invention comprises a driving assembly and a grinding head assembly, wherein the grinding head assembly is arranged on one side of the driving assembly; wherein, drive assembly includes slidable sliding seat 4 and the driving piece I of connecting sliding seat 4, and the bistrique subassembly includes rotatable emery wheel and the driving piece II of connecting the emery wheel, and after rail 1 installation was fixed in sliding seat 4, the wheel rim of emery wheel was located the rail web position of rail 1.

When the steel rail driving device is used, the steel rail 1 is fixed on the sliding seat 4, then the driving piece I and the driving piece II are started, the driving piece I is used for driving the sliding seat 4 to move, the movement of the sliding seat 4 is linear sliding, and the steel rail 1 is further driven to move; driving a grinding wheel to move by using a driving piece II, wherein the grinding wheel rotates circularly, and then the rail web of the steel rail 1 is ground; the rail 1 moves relative to the grinding wheel under the driving of the sliding seat 4, that is, the rail web at the grinding position of the grinding wheel changes all the time, and then the rail web of the rail 1 is ground comprehensively by the grinding wheel.

This short chi rail grinding device utilizes sliding seat 4 to drive the relative emery wheel motion of rail 1, makes the emery wheel polish comprehensively to rail web position of rail 1, compares in the mode of artifical polishing, and the automatic rust cleaning of polishing has shorter polishing time, higher efficiency of polishing and the more excellent effect of polishing.

The short rail grinding device is particularly suitable for automatic grinding of short rails, i.e. the rail 1 described above and below is preferably a short rail.

In a specific embodiment, the rim position of the grinding wheel, namely the grinding position of the steel rail 1, can be changed, so that the grinding requirements of the steel rails 1 with different specifications can be met.

In this embodiment, the grinding head assembly includes a column 6, a motion bar 5 and a motion plate 11, a driving member II and a grinding wheel are coaxially mounted on the motion plate 11, the driving member II is located on the upper side of the motion plate 11, the grinding wheel is located on the lower side of the motion plate 11, the motion plate 11 is hinged to one end of the motion bar 5, and the other end of the motion bar 5 is hinged to the column 6.

More specifically, for a set of grinding head assemblies, the grinding head assemblies are arranged on one side of the sliding seat 4, so that one side web position of the steel rail 1 is ground in a single operation; at this time, the number of the upright posts 6 is two, the two upright posts 6 are located at the head end and the tail end of the side of the sliding seat 4, the two upright posts 6 are respectively connected with the respective moving rods 5, the two moving rods 5 are respectively connected and supported at the bottom sides of the two ends of the moving plate 11, and the moving plate 11 is located above the sliding seat 4 and is deviated from the position of the side of the sliding seat 4.

When in use, the upright post 6 lifts the grinding head component to a certain height, so that the grinding wheel is positioned at the height position of the rail web of the steel rail 1; the moving plate 11 can move horizontally under the action of the moving rod 5, so that the grinding wheel is positioned at the horizontal position of the rail web of the steel rail 1.

It should be noted that, the adjustment of the horizontal position of the grinding wheel relative to the web of the rail 1 by the motion bar 5 may be manual or automatic, and after the manual adjustment, the adjusted position may be locked by locking the hinge point.

In another adjustment mode, the grinding head assembly is automatically adjusted by a driving piece III, one end of the driving piece III is hinged with the moving plate 11, and the other end of the driving piece III is hinged with the upright post 6 through a loose joint 7.

In the embodiment, the driving piece III is used for realizing the position adjustment of the grinding wheel of the grinding head assembly and the compaction and loosening after the grinding wheel is adjusted in place.

In the above driving elements, the driving element I and the driving element III are driving units for outputting linear driving force, and include, but are not limited to, a telescopic cylinder, a linear motor, and the like; the driving member II is a driving unit that outputs a rotational driving force, and includes, but is not limited to, a rotary motor and the like.

Illustratively, the driving member I is a hydraulic cylinder 12, the driving member II is a hydraulic motor 13, and the driving member III is a pneumatic tendon 8.

In this embodiment, the cylinder body of the hydraulic cylinder 12 is fixed on a reference surface such as a table top, a workbench, etc., the sliding seat 4 slides on the reference surface, and the rod body of the hydraulic cylinder 12 is fixed at one end of the sliding seat 4; the hydraulic motor 13 and the grinding wheel are coaxially arranged on the moving plate 11, the shell of the hydraulic motor 13 is fixed on the moving plate 11, and the output shaft of the hydraulic motor 13 is connected with the central shaft of the grinding wheel; one end of the pneumatic tendon 8 is connected with the middle position of the motion plate 11, and the other end of the pneumatic tendon 8 is connected with the loose joint 7 connected with the upright post 6. Wherein, adopt hydraulic motor 13 as bistrique power supply, compact structure, torque force is big, and hydraulic motor 13 connects in series and uses, is supplied oil by a small-size hydraulic pressure station.

It should be noted that there are various sliding forms of the sliding seat 4, including but not limited to a structural form in which a sliding groove or a sliding rail is provided on the bottom side; exemplarily, the sliding seat 4 adopts a sliding form with two side limits outside, at this time, the sliding seat 4 is flatly placed on the reference surface, the driving assembly includes guide wheels 9 arranged on two sides of the sliding direction of the sliding seat 4, at this time, the guide wheels 9 are two rows on two sides, the number of each row is multiple, the guide wheels 9 are attached to the periphery of the sliding seat 4, and the sliding limit of the sliding seat 4 is realized under the limit of the two rows of guide wheels 9.

For better technical effect, the upright 6 adopts a structural form with adjustable vertical height, which is similar to that of a telescopic rod, so that the height position of the grinding wheel relative to the rail web of the steel rail 1 is adjustable.

Illustratively, the upright 6 comprises a sleeve and a rod slidably fitted in the sleeve, wherein the rod is height-adjustable in the sleeve and can be locked by a screw or the like after adjustment.

In one particular embodiment, the short rail grinding apparatus may be enclosed in a box in order to reduce the noise impact and dust problems of the short rail grinding apparatus.

It should be noted that the box body can adopt a transparent cover, which not only plays the roles of preventing dust from flying and isolating noise, but also is convenient for observing the grinding condition of the steel rail 1 in real time.

Illustratively, in the closed embodiment, the grinding wheel comprises a frame 14, and a driving assembly and a grinding head assembly are arranged in the frame 14, wherein the driving assembly and the grinding head assembly are arranged on a working panel as a reference surface, the working panel is fixed on the inner bottom surface of the frame 14, the periphery of the frame 14 is provided with a panel 15, and the top side of the frame 14 is provided with a top plate 16.

In the embodiment, the frame 14, the panel 15 and the top plate 16 are assembled into a closed box body, so that noise and dust generated by grinding are blocked in the box body, and the noise influence and dust problem are effectively reduced; in addition, the panel 15 and the top plate 16 can be detached or rotated to open and close, when parts are replaced, such as the maintenance and the replacement of a grinding wheel, only the corresponding plate body structure needs to be opened, the whole device does not need to be taken out of the frame 14, and the maintenance is convenient.

The motion rod 5 is connected with the motion plate 11 by a hinge, the pneumatic tendon 8 is connected with the motion plate 11 by a hinge, and the loose joint 7 is connected with the pneumatic tendon 8 by a pin; the pneumatic tendon 8 is shortened when the air vent body is opened, so that the motion rod 5 is driven to move, and the grinding wheel tightly presses the rail web of the steel rail 1; when the steel rail 1 is put in or taken out or the grinding wheel is replaced, after the pneumatic tendon 8 is exhausted, one end of the pneumatic tendon is manually lifted from the loose joint 7 and taken out, then the moving rod 5 is swung to the edge, and the panel 15 is opened to replace the pneumatic tendon, so that the moving rod 5 is automatically opened or clamped without an air cylinder, and the phenomenon that the hand is pinched by the misoperation of the air cylinder is avoided.

Further, the form of the grinding wheel includes, but is not limited to, a carborundum wheel, a clover wheel 10 and the like, and in consideration of the loud noise of the carborundum wheel and the high-frequency squealing, the grinding wheel is preferably the clover wheel 10; compared with a hard grinding wheel, the thousand-leaf grinding wheel 10 has a contact self-adaptive characteristic, so that the grinding is more thorough; the flap grinding wheel 10 is a paper grinding wheel, and compared with a carborundum grinding wheel, the grinding noise is greatly reduced.

Besides, there are various ways for installing and fixing the steel rail 1 on the sliding seat 4, including but not limited to binding, groove spacing, etc.

Illustratively, the two ends of the sliding seat 4 are provided with a positioning plate 2 for fixing the steel rail 1 and a T-shaped groove bolt 3 for locking the positioning plate 2, and the diameter of the T-shaped groove bolt 3 does not exceed the section of the rail web.

In this embodiment, utilize locating plate 2 and T-slot bolt 3 at the fixed rail 1 of the both ends of sliding seat 4, need not to bind and press from both sides in other positions of rail 1 and get, avoided binding and press from both sides the dead zone of polishing that causes of getting.

In a specific embodiment, the grinding head assemblies are arranged in two groups at two side web positions of the steel rail 1, and the number of the grinding head assemblies in each group is multiple.

In this embodiment, two sets of grinding head assemblies are equivalent to double stations at the web positions on two sides of the steel rail 1, and a double-station multi-grinding-set design is adopted, so that the grinding efficiency is high, and when the number of the grinding head assemblies is eight in total, the grinding efficiency is eight times or more than the previous grinding efficiency.

In the specific process, the steel rail 1 is installed in an upper installation mode, namely, the top middle top plate 16 is firstly opened, and then the steel rail 1 is installed on the sliding seat 4; the two side panels 15 can be opened so as to replace the grinding head and overhaul, the plate body can be made of organic glass, and the running condition of equipment in the machine can be observed during working.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The short steel rail grinding device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a short ruler rail grinding device, its characterized in that includes drive assembly and locates the bistrique subassembly of drive assembly one side, drive assembly includes slidable sliding seat (4) and connects and drive gliding driving piece I of sliding seat (4), bistrique subassembly includes rotatable emery wheel and connects and drives emery wheel pivoted driving piece II, sliding seat (4) are used for fixing and drive rail (1) motion in order to realize the emery wheel is polished the web position of rail (1).

2. The short length rail grinding device according to claim 1, wherein the grinding head assembly comprises a column (6), a moving rod (5) and a moving plate (11) for mounting the grinding wheel and the driving member II, the moving plate (11) is hinged with one end of the moving rod (5), and the other end of the moving rod (5) is hinged with the column (6).

3. The short length rail grinding device according to claim 2, wherein the grinding head assembly further comprises a driving member III, one end of the driving member III is hinged with the moving plate (11), and the other end of the driving member III is hinged with the upright (6) through a loose joint (7).

4. A short length rail grinding device according to claim 2, wherein the upright (6) comprises a sleeve and a height adjustable stem mounted in the sleeve.

5. A short length rail grinding apparatus according to claim 3 wherein the drive member I is a hydraulic cylinder (12), the drive member II is a hydraulic motor (13) and the drive member III is a pneumatic tendon (8).

6. A short length of rail grinding apparatus according to any one of claims 1 to 5, comprising a frame (14), wherein the drive unit and the grinding head unit are mounted in the frame (14), a panel (15) is provided on the periphery side of the frame (14), and a top plate (16) is provided on the top side of the frame (14).

7. A short length rail grinding apparatus according to any one of claims 1 to 5 wherein the grinding wheel is a millstone (10).

8. A short length rail grinding device according to any one of claims 1 to 5, wherein the drive assembly comprises guide wheels (9) provided on both sides of the sliding seat (4) in the sliding direction.

9. A short length rail grinding device according to any one of claims 1 to 5, wherein the slide shoe (4) is provided at both ends with a retaining plate (2) for fixing the rail (1) and a T-slot bolt (3) for locking the retaining plate (2).

10. A short length of rail grinding apparatus according to any one of claims 1 to 5 wherein the grinding head assemblies are arranged in two groups at the web positions on both sides of the rail (1), the number of the grinding head assemblies in each group being plural.