Steel rail polishing device

Abstract

The utility model relates to the technical field of railway steel rail polishing, in particular to a steel rail polishing device which comprises a frame, walking wheels are arranged on the frame, and a positioning wheel rolling on the side face of a steel rail is arranged on one side of the frame. An upwards-arched guide rail is arranged on the frame and is in an arc shape, the circle center of the guide rail is located below the walking wheels, a mounting base is slidably arranged on the guide rail in the arc length direction of the guide rail, a sliding cylinder is slidably arranged on the mounting base, one end of the sliding cylinder faces the circle center of the guide rail, and a mounting plate is arranged at the other end of the sliding cylinder and provided with a grinding motor. An output shaft of the grinding motor sequentially penetrates through the mounting plate and the inner ring of the sliding cylinder and then is provided with a grinding head. A lead screw is in threaded connection with the mounting base, the length direction of the lead screw is consistent with that of the sliding cylinder, a feeding motor is arranged on the mounting plate, and an output shaft of the feeding motor is coaxially connected with one end of the lead screw. The railway steel rail polishing device is light in structure and capable of reducing the labor intensity of operators for polishing railway steel rails.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway rail polishing technical field, concretely relates to rail polishing device. BACKGROUND

[0002] Railway is an important public transport facility, and its safety and stability are crucial for train operation. Under the influence of long-term rolling and vibration of trains, rail inevitably appears wear and tear and cracks, and if not handled in time, these hidden dangers will possibly evolve into serious accidents. Polishing rail is an effective means to eliminate these safety hazards and ensure safe operation of railway.

[0003] The main purpose of railway rail polishing is to prolong the service life of rail, ensure the safety and stability of train operation, reduce maintenance cost and improve the overall performance of railway system. Specifically, the purpose of rail polishing is to eliminate cracks, wear and tear and pollutants on the surface of rail, restore its original geometric size and surface quality, so as to ensure the safe operation of train and the comfort of passengers.

[0004] At present, there are two ways of rail polishing, one is to use special large-scale polishing train, and the other is to use small manual equipment. Special large-scale polishing train is suitable for polishing large-scale and long-section rail, and small manual polishing equipment is generally used for polishing small-scale and local rail. Manual polishing equipment depends on the technical level, work experience and professional quality of the operator, which leads to the unguaranteed quality of manual polishing, and usually needs long-time holding of the polishing equipment, which leads to large labor intensity of the operator.

[0005] Therefore, there is an urgent need for a rail polishing device which is light in structure and can reduce the polishing intensity of the operator. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a rail polishing device, which aims at improving the problem that the polishing equipment in the prior art cannot simultaneously meet the requirements of light structure, adjustable polishing position and labor-saving operation of the operator.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A kind of rail grinding device, including frame, the frame is provided with walking wheel, the frame side is provided with the positioning wheel rolling on the side surface of rail;The frame is provided with the guide rail that is arched upwards, the guide rail is circular arc, the center of the guide rail is below walking wheel, mounting seat is slidably arranged on the guide rail along the length direction of the arc length of guide rail, sliding cylinder is slidably arranged on the mounting seat, one end of the sliding cylinder is towards the center of guide rail, the other end is provided with mounting plate, grinding motor is arranged on the mounting plate, the output shaft of grinding motor is provided with polishing head after passing through mounting plate and the inner ring of sliding cylinder in sequence;Screw rod is threadedly connected on the mounting seat, the length direction of screw rod is consistent with sliding cylinder, feed motor is arranged on the mounting plate, the output shaft of feed motor is coaxially connected with one end of screw rod.

[0009] Further, the frame is provided with a fixed plate, the guide rail is arranged on the one side of the fixed plate, and an arc-shaped rack is further arranged on the fixed plate, the rack is arranged with the same center as the guide rail, a rotating motor is arranged on the mounting seat, the output shaft of the rotating motor is coaxially connected with a gear after passing through the mounting seat, and the gear is engaged with the rack.

[0010] Further, the upper wall and the lower wall of the guide rail are both provided with a sliding groove along the length direction of the guide rail, an installation block is arranged on the mounting seat, two sliding blocks are arranged on the installation block, the two sliding blocks are one-to-one corresponding to the two sliding grooves, and the two sliding blocks are both located in the corresponding sliding grooves and are in sliding cooperation with the corresponding sliding grooves.

[0011] Further, a fixing block is arranged on the mounting seat, a through mounting hole is formed in the fixing block, and the sliding cylinder is slidably connected with the mounting hole of the fixing block through a linear bearing.

[0012] Further, a nut sleeve is arranged on the fixing block, and the screw rod is threadedly connected with the nut sleeve after passing through the threaded hole of the nut sleeve.

[0013] Further, a guide rod is arranged on the mounting plate, the length direction of the guide rod is consistent with the sliding cylinder, a guide plate is arranged on the fixing block, a guide hole is formed in the guide plate, and one end of the guide rod is slidably connected with the guide plate after passing through the guide hole of the guide plate.

[0014] Compared with the prior art, the rail grinding device has the following beneficial effects:

[0015] In this invention, when using a rail grinding device to grind the upper profile of a railway rail, the device is first placed on two rails, with two traveling wheels on each rail. Then, a positioning wheel abuts against the side wall of the corresponding rail. As the traveling wheels move the entire device, they travel on the rails, while the positioning wheel rolls along the side wall of the corresponding rail. The positioning wheel is used to fix the relative position between the rail grinding device and the corresponding rail. The sliding mounting seat can adjust the angle of the grinding head, and the feed motor can control the feed amount of the grinding head, facilitating grinding of different parts of the upper profile of the corresponding rail. This invention has a lightweight structure, is easy to use flexibly, and the grinding position is easy to adjust. Furthermore, the grinding process is mainly controlled by the grinding motor and the feed motor, which helps reduce the labor intensity of operators when grinding rails. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model placed on a railway rail from one perspective;

[0018] Figure 2 For the present utility model Figure 1 A schematic diagram of the structure of a rail grinding device from a certain perspective;

[0019] Figure 3 For the present utility model Figure 2 Enlarged view of section A in the middle;

[0020] Figure 4 This is a schematic diagram of the structure of the present invention placed on a railway rail from another perspective;

[0021] Figure 5 For the present utility model Figure 4 A schematic diagram of the structure of a rail grinding device from a certain perspective;

[0022] Figure 6 For the present utility model Figure 5 Enlarged view of section B in the middle.

[0023] The attached diagram shows the markings and corresponding component names:

[0024] 1 frame; 2 walking wheel; 3 positioning wheel; 4 guide rail; 5 mounting seat; 6 sliding cylinder; 7 mounting plate; 8 polishing motor; 9 polishing head; 10 screw rod; 11 feed motor; 12 fixed block; 13 nut sleeve; 14 fixed plate; 15 rack; 16 rotary motor; 17 gear; 18 sliding groove; 19 mounting block; 20 sliding block; 21 mounting hole; 22 guide rod; 23 guide plate; 24 steel rail. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Embodiment 1

[0027] A steel rail polishing device, referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 , comprising a frame 1, the frame 1 is provided with a walking wheel 2, and the frame 1 is provided with a positioning wheel 3 rolling on the side surface of the steel rail 24; the frame 1 is provided with an upwardly arched guide rail 4, the guide rail 4 is arc-shaped, the center of the guide rail 4 is located below the walking wheel 2, the mounting seat 5 is slidably arranged on the guide rail 4 along the arc length direction of the guide rail 4, the sliding cylinder 6 is slidably arranged on the mounting seat 5, one end of the sliding cylinder 6 is towards the center of the guide rail 4, and the other end of the sliding cylinder 6 is provided with a mounting plate 7, the mounting plate 7 is provided with a polishing motor 8, and the output shaft of the polishing motor 8 is provided with a polishing head 9 after passing through the inner ring of the mounting plate 7 and the sliding cylinder 6 in sequence; the mounting seat 5 is threadedly connected with a screw rod 10, the length direction of the screw rod 10 is consistent with that of the sliding cylinder 6, the mounting plate 7 is provided with a feed motor 11, and the output shaft of the feed motor 11 is coaxially connected with one end of the screw rod 10.

[0028] Among them, the circumferential surface of the positioning wheel 3 is at least partially located below the side of the walking wheel 2, and the rotation shaft of the positioning wheel 3 is vertically arranged. The mounting seat 5 is provided with a fixed block 12, the fixed block 12 is provided with a nut sleeve 13, and the screw rod 10 is threadedly connected with the nut sleeve 13 after passing through the threaded hole of the nut sleeve 13. The feed motor 11 drives the screw rod 10 to rotate, since the screw rod 10 is threadedly connected between the fixed block 12 on the mounting seat 5, the screw rod 10 will drive the mounting plate 7 to move when the screw rod 10 moves relative to the fixed block 12, and then drive the polishing motor 8, the polishing head 9 and the sliding cylinder 6 to move correspondingly.

[0029] In the scheme, when the rail 24 polishing device is used to polish the upper profile surface of the railway rail 24, the rail 24 polishing device is first placed on two rails 24, so that there are two walking wheels 2 on each rail 24, and then the positioning wheel 3 is abutted with the side wall of the corresponding side rail 24, so that when the walking wheel 2 drives the whole device to travel, the walking wheel 2 travels on the rail 24, and the positioning wheel 3 rolls along the side wall of the corresponding rail 24. The positioning wheel 3 can be used to fix the relative position between the rail 24 polishing device and the corresponding side rail 24, the sliding mounting seat 5 can adjust the orientation of the sliding cylinder 6, and then the orientation angle of the polishing head 9 can be adjusted. The feeding motor 11 can control the feeding amount of the polishing head 9, so that the different parts of the upper profile of the corresponding side rail 24 can be polished conveniently. The structure of the utility model is relatively light and convenient to use flexibly. The polishing process is mainly controlled by the polishing motor 8 and the feeding motor 11 to polish the polishing head 9, so that the polishing position can be controlled and adjusted conveniently, and the labor intensity of the operator when polishing the rail 24 is reduced.

[0030] Embodiment 2

[0031] In this embodiment, on the basis of embodiment 1, referring to Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 , the fixed plate 14 is arranged on the frame 1, the guide rail 4 is arranged on one side surface of the fixed plate 14, the arc-shaped rack 15 is further arranged on the fixed plate 14, the length direction of the rack 15 is parallel to the length direction of the guide rail 4 (that is, the rack 15 is arranged with the guide rail as the same center), the rotating motor 16 is arranged on the mounting seat 5, the output shaft of the rotating motor 16 penetrates through the mounting seat 5 and is coaxially connected with the gear 17, and the gear 17 is engaged with the rack 15.

[0032] In the scheme, when the orientation angle of the polishing head 9 needs to be adjusted, the rotating motor 16 is started, the rotating motor 16 drives the gear 17 to rotate, since the rack 15 is fixed on the fixed plate 14 and the gear 17 is engaged with the rack 15, the rotating motor 16 will drive itself to move along the length direction of the rack 15, thereby adjusting the position of the mounting seat 5 on the guide rail 4, and the effect of conveniently adjusting the orientation angle of the polishing head 9 is realized, and the manual operation of fixing the mounting seat 5 can be omitted.

[0033] Embodiment 3

[0034] In this embodiment, on the basis of embodiment 1, referring to Figure 2 、 Figure 3The upper wall and the lower wall of the guide rail 4 are provided with sliding grooves 18 along the length direction of the guide rail 4, the mounting base 5 is provided with a mounting block 19, the mounting block 19 is provided with two sliding blocks 20, the two sliding blocks 20 correspond to the two sliding grooves 18 respectively, and the two sliding blocks 20 are located in the corresponding sliding grooves 18 and slide with the corresponding sliding grooves 18.

[0035] In the scheme, the upper wall and the lower wall of the guide rail 4 are provided with sliding grooves 18, and the two sliding blocks 20 on the mounting block 19 are located in the corresponding sliding grooves 18 respectively, so that the mounting block 19 is limited on the guide rail 4, which can prevent the mounting block 19 and the mounting base 5 from falling off the guide rail 4 to a certain extent, and is beneficial to the stability of the whole device.

[0036] Embodiment 4

[0037] In this embodiment, on the basis of the embodiment 1, referring to Figure 1 、 Figure 2 The mounting hole 21 is formed through the fixing block 12, and the sliding cylinder 6 is connected with the mounting hole 21 of the fixing block 12 through the linear bearing.

[0038] Firstly, the linear bearing can provide stable support for the linear motion of the sliding cylinder 6, secondly, the linear bearing can more accurately limit the motion track of the sliding cylinder 6, and thirdly, the linear bearing can reduce the friction resistance between the sliding cylinder 6 and the fixing block 12.

[0039] Embodiment 5

[0040] In this embodiment, on the basis of the embodiment 1, referring to Figure 1 、 Figure 3 The mounting plate 7 is provided with a guide rod 22, the length direction of the guide rod 22 is consistent with that of the sliding cylinder 6, the fixing block 12 is provided with a guide plate 23, the guide plate 23 is provided with a guide hole, and one end of the guide rod 22 is connected with the guide plate 23 through the guide hole in a sliding mode.

[0041] In the scheme, by arranging the guide rod 22, when the feeding motor 11 drives the mounting plate 7 to move, the guide rod 22 slides in the guide hole of the guide plate 23, and the guide rod 22 can provide further stable support for the movement of the mounting plate 7.

[0042] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rail grinding device, characterised in that: The utility model provides a kind of rail grinding vehicle, including frame (1), walking wheel (2) is provided on the frame (1), and the frame (1) side is provided with the positioning wheel (3) rolling on the side of steel rail (24);Upwardly arched guide rail (4) is provided on the frame (1), the guide rail (4) is circular arc, the center of the guide rail (4) is below walking wheel (2), mounting seat (5) is slidably arranged along the circular arc length direction of guide rail (4) on the guide rail (4), sliding cylinder (6) is slidably arranged on the mounting seat (5), one end of the sliding cylinder (6) is towards the center of guide rail (4), the other end is provided with mounting plate (7), polishing motor (8) is provided on the mounting plate (7), the output shaft of polishing motor (8) is sequentially provided with polishing head (9) after passing through the inner ring of mounting plate (7) and sliding cylinder (6), screw rod (10) is threadedly connected on the mounting seat (5), the length direction of screw rod (10) is consistent with sliding cylinder (6), and feed motor (11) is provided on the mounting plate (7), the output shaft of feed motor (11) is coaxially connected with one end of screw rod (10).

2. The rail grinding device of claim 1, wherein: Fixed plate (14) is provided on the frame (1), and the guide rail (4) is arranged on one side of the fixed plate (14), wherein the fixed plate (14) is further provided with an arc-shaped rack (15), and the rack (15) is coaxially arranged with the guide rail (4); a rotary motor (16) is arranged on the mounting seat (5), and the output shaft of the rotary motor (16) is coaxially connected with a gear (17) after passing through the mounting seat (5), and the gear (17) is engaged with the rack (15).

3. The rail grinding device of claim 1, wherein: The upper wall and the lower wall of the guide rail (4) are both provided with a sliding groove (18) along the length direction of the guide rail (4), the mounting seat (5) is provided with a mounting block (19), the mounting block (19) is provided with two sliding blocks (20), the two sliding blocks (20) correspond to the two sliding grooves (18) one by one, and the two sliding blocks (20) are both located in the corresponding sliding grooves (18) and slide with the corresponding sliding grooves (18).

4. The rail grinding device of claim 1, wherein: The mounting seat (5) is provided with a fixed block (12), the fixed block (12) is provided with a through mounting hole (21), and the sliding cylinder (6) is slidably connected with the mounting hole (21) of the fixed block (12) through a linear bearing.

5. The rail grinding device of claim 4, wherein: The fixed block (12) is provided with a nut sleeve (13), and the screw rod (10) is threadedly connected with the nut sleeve (13) after passing through the threaded hole of the nut sleeve (13).

6. The rail grinding device of claim 4, wherein: The mounting plate (7) is provided with a guide rod (22), the guide rod (22) is consistent with the length direction of the sliding cylinder (6), the fixed block (12) is provided with a guide plate (23), the guide plate (23) is provided with a guide hole, and one end of the guide rod (22) is slidably connected with the guide plate (23) after passing through the guide hole of the guide plate (23).

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