Positioning device for steel rail on-line sand blasting box

Abstract

The utility model provides a steel rail on-line sand blasting box positioning device which comprises a sand box, two sides of the sand box are fixedly connected with supporting plates, and the top ends of the supporting plates are fixedly connected with adjusting air cylinders. Compared with the prior art, the sand box positioning device has the following beneficial effects that the sand box can be preliminarily limited through the two top rollers and the side wheels in the positioning seat in the positioning assembly, and the positioning seat is driven to move up and down through the adjusting cylinder, so that the distance between the sand box and a steel rail can be adjusted; the lifting air cylinder and the second connecting plate drive the two positioning blocks to face the steel rail until the steel rail is pressed, the friction force between the positioning blocks and the steel rail can be increased through cooperation of the protection plate and the sliding groove, then it is ensured that the relative position of a spray gun connected with the sand box and the steel rail cannot be changed, and the positioning blocks can be protected through the protection plate; therefore, abrasion caused by frequent friction between the positioning block and the steel rail is avoided, and the protection plate and the sliding block are fixed through the bolt, so that the protection plate can be replaced.

Description

Technical Field

[0001] The utility model relates to a rail online sandblasting box positioning device, belonging to the field of rail sandblasting. Background Art

[0002] Sandblasting can transform all the tensile stress on the surface of the rail into residual compressive stress, which can offset the external pressure exerted by the wheel on the rail, improve the rail's ability to withstand the normal pressure and impact of the wheel, reduce the risk of cracks, and thus increase the service life of the product.

[0003] Before sandblasting the rail, the sand box needs to be positioned to ensure that the relative position of the spray gun and the rail remains unchanged during operation. In the prior art, the sand box is usually positioned by clamping a positioning block fixed to the sand box on the rail. Since the positioning block and the rail frequently rub against each other, the positioning block will wear out over time, resulting in poor positioning of the sand box. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a rail online sandblasting box positioning device to solve the problem in the above background technology that the positioning block will wear out as the usage time increases due to frequent friction between the positioning block and the rail, thereby resulting in poor positioning effect of the sandblasting box.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a steel rail online sandblasting box positioning device, including a sand box, support plates are fixedly connected on both sides of the sand box, an adjusting cylinder is fixedly connected to the top of the support plate, a positioning component is fixedly connected to the telescopic end of the adjusting cylinder, a protective component is arranged in the positioning component, and a steel rail is arranged below the bottom end of the sand box.

[0006] Furthermore, the positioning assembly includes a positioning seat fixedly connected to the telescopic end of the adjusting cylinder, a top roller is rotatably connected inside the positioning seat, the bottom end of the positioning seat is located on one side of the top roller and is rotatably connected to a side wheel, a first connecting plate is fixedly connected to the top of the positioning seat, a lifting cylinder is fixedly connected to the top of the first connecting plate, a second connecting plate is fixedly connected to the bottom of the lifting cylinder, and two positioning blocks are fixedly connected to the bottom of the second connecting plate.

[0007] Furthermore, a positioning groove is provided in the positioning block, and the positioning groove is in a "U" shape.

[0008] Furthermore, the bottom end of the positioning seat is inclined on one side of the top roller, and the side wheels are conical.

[0009] Furthermore, a first guide groove is provided at the top of the support plate, a first guide rod is slidably connected in the first guide groove, the first guide rod and the positioning seat are fixedly connected, a second guide groove is provided at the top of the first connecting plate, a second guide rod is slidably connected in the second guide groove, and the second guide rod and the second connecting plate are fixedly connected.

[0010] Furthermore, the protection component includes a slide groove opened on the inner wall of the positioning block, a slider is slidably connected in the slide groove, a protection plate is movably connected in the slider, and the protection plate and the slider are fixed by bolts.

[0011] Furthermore, the protective plate is in an "L" shape, and the length of the protective plate is consistent with the length of the positioning block.

[0012] Furthermore, the width of the slider is greater than the width of the slide groove, and the length of the slider is consistent with the length of the slide groove.

[0013] The beneficial effects of the utility model are as follows: the sand box is placed on the top of the rail, and the sand box can be initially limited by the two top rollers and side wheels in the positioning seat in the positioning assembly. The positioning seat can be driven up and down by adjusting the cylinder to adjust the spacing between the sand box and the rail. The two positioning blocks are driven toward the rail until the rail is pressed by the lifting cylinder and the second connecting plate. The friction between the positioning block and the rail can be increased by cooperating with the protective plate and the slide groove, thereby ensuring that the relative position of the spray gun connected to the sand box and the rail will not change.

[0014] The protective plate can provide protection for the positioning block, thereby preventing the positioning block from being worn due to frequent friction with the rail. Since the protective plate and the slider are fixed by bolts, the protective plate can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of a rail online sandblasting box positioning device of the utility model;

[0017] Figure 2 It is a schematic diagram of the front view structure of a rail online sandblasting box positioning device of the utility model;

[0018] Figure 3 It is a schematic diagram of a positioning component structure of a rail online sandblasting box positioning device of the utility model;

[0019] Figure 4It is a schematic diagram of the protective component structure of a rail online sandblasting box positioning device of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged structure of the top roller of the rail online sandblasting box positioning device of the utility model.

[0021] In the figure: 1. sand box; 2. support plate; 3. adjusting cylinder; 4. positioning assembly; 41. positioning seat; 42. top roller; 43. side wheel; 44. first connecting plate; 45. lifting cylinder; 46. second connecting plate; 47. positioning block; 5. protection assembly; 51. slide groove; 52. slider; 53. protection plate; 6. first guide groove; 7. first guide rod; 8. second guide groove; 9. second guide rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a rail online sandblasting box positioning device, comprising a sand box 1, support plates 2 are fixedly connected on both sides of the sand box 1, an adjusting cylinder 3 is fixedly connected to the top of the support plate 2, a positioning component 4 is fixedly connected to the telescopic end of the adjusting cylinder 3, a protective component 5 is arranged in the positioning component 4, and a rail is arranged below the bottom end of the sand box 1.

[0024] The sand box 1 is placed on the top of the rail. The two top rollers 42 and the side wheels 43 in the positioning seat 41 in the positioning assembly 4 can be used to initially limit the position of the sand box 1. The positioning seat 41 can be driven up and down by adjusting the cylinder 3 to adjust the distance between the sand box 1 and the rail. The two positioning blocks 47 can be driven toward the rail by the lifting cylinder 45 and the second connecting plate 46 until the rail is pressed. The friction between the positioning block 47 and the rail can be increased in conjunction with the protective plate 53 and the slide groove 51 to ensure that the relative position of the spray gun connected to the sand box 1 and the rail will not change.

[0025] The protective plate 53 can provide protection for the positioning block 47, thereby preventing the positioning block 47 from being worn due to frequent friction with the rail. Since the protective plate 53 and the slider 52 are fixed by bolts, the protective plate 53 can be replaced.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The positioning assembly 4 includes a positioning seat 41 fixedly connected to the telescopic end of the adjusting cylinder 3, a top roller 42 is rotatably connected inside the positioning seat 41, the bottom end of the positioning seat 41 is located on one side of the top roller 42 and is rotatably connected to a side wheel 43, a first connecting plate 44 is fixedly connected to the top of the positioning seat 41, a lifting cylinder 45 is fixedly connected to the top of the first connecting plate 44, a second connecting plate 46 is fixedly connected to the bottom of the lifting cylinder 45, and two positioning blocks 47 are fixedly connected to the bottom of the second connecting plate 46. The sand box 1 is placed on the top of the rail. During this process, the two top rollers 42 connected to the positioning seat 41 will move toward the top of the rail until the bottom surface thereof is pressed against the top surface of the rail. The side wheels 43 located on one side of the top rollers 42 will move along the side surface of the rail when pressed downward, so that the sand box 1 can be initially limited. The adjusting cylinder 3 connected to the top of the support plate 2 will drive the positioning seat 41 to move up and down, so that the distance between the sand box 1 and the rail can be adjusted. When the rail needs to be sandblasted, the lifting cylinder 45 will be started and drive the two positioning blocks 47 connected to the second connecting plate 46 toward the rail until the rail is pressed. At this time, the protective plate 53 will contact the rail. As the two positioning blocks 47 continue to move downward, the protective plate 53 will slide upward along the slide groove 51, thereby increasing the friction between the positioning blocks 47 and the rail, so that the sand box 1 can be fixed on the top of the rail to prevent the sand box 1 from being displaced when the rail is sandblasted, and ensure that the relative position of the spray gun connected to the sand box 1 and the rail will not change.

[0027] The bottom end of the positioning seat 41 is located at one side of the top roller 42 and is inclined, and the side wheel 43 is conical. The bottom end of the positioning seat 41 is located at one side of the top roller 42 and is inclined, and the side wheel 43 is conical to ensure that the side wheel 43 can move along the side of the rail when the sand box 1 is pressed down toward the rail, thereby limiting the side of the rail.

[0028] A first guide groove 6 is provided at the top of the support plate 2, a first guide rod 7 is slidably connected in the first guide groove 6, the first guide rod 7 is fixedly connected to the positioning seat 41, a second guide groove 8 is provided at the top of the first connecting plate 44, a second guide rod 9 is slidably connected in the second guide groove 8, and the second guide rod 9 is fixedly connected to the second connecting plate 46. When the positioning seat 41 is lifted or lowered, the first guide rod 7 will slide along the first guide groove 6, thereby preventing the positioning seat 41 from being displaced during the lifting or lowering, which is beneficial to ensuring the quality of sandblasting, and when the second connecting plate 46 is lifted or lowered, the second guide rod 9 will slide along the second guide groove 8, thereby preventing the positioning block 47 connected to the second connecting plate 46 from being displaced during the lifting or lowering, which is beneficial to ensuring the quality of sandblasting.

[0029] The protection assembly 5 includes a slide groove 51 provided on the inner wall of the positioning block 47, a slider 52 is slidably connected in the slide groove 51, a protection plate 53 is movably connected in the slider 52, and the protection plate 53 is fixed to the slider 52 by bolts. The protection plate 53 can provide protection for the positioning block 47, thereby preventing the positioning block 47 from being worn due to frequent friction with the rail. When the protection plate 53 needs to be replaced, the bolts are loosened and the protection plate 53 is pulled away from the slider 52 to completely separate from the slider 52, and then a new protection plate 53 is placed in the slider 52, and finally the bolts are tightened to complete the replacement of the protection plate 53.

[0030] The protective plate 53 is in an "L" shape, and the length of the protective plate 53 is consistent with the length of the positioning block 47. The "L" shape of the protective plate 53 ensures that the rail will push the protective plate 53 to slide along the slide groove 51 when it contacts the protective plate 53, and the length of the protective plate 53 is consistent with the length of the positioning block 47 to ensure that the protective plate 53 can fully contact the rail.

[0031] The width of the slider 52 is greater than the width of the slide slot 51 , and the length of the slider 52 is consistent with the length of the slide slot 51 . The width of the slider 52 is greater than the width of the slide slot 51 , which facilitates the installation of the protective plate 53 on the slider 52 .

[0032] Specific implementation method: Put the sand box 1 to the top of the rail. During this process, the two top rollers 42 connected to the positioning seat 41 will move toward the top of the rail until the bottom surface is pressed against the top surface of the rail. The side wheels 43 on one side of the top rollers 42 will move along the side of the rail when pressed down, so that the sand box 1 can be initially limited. The adjusting cylinder 3 connected to the top of the support plate 2 will drive the positioning seat 41 to move up and down, so as to adjust the distance between the sand box 1 and the rail. When the rail needs to be sandblasted, the lifting cylinder 45 will start and drive the two positioning blocks 47 connected to the second connecting plate 46 toward the rail until the rail is pressed. At this time, the protective plate 53 will contact the rail. As the two positioning blocks 47 continue to move downward, the protective plate 53 will slide upward along the slide groove 51, thereby increasing the friction between the positioning blocks 47 and the rail, so that the sand box 1 can be fixed on the top of the rail to prevent the sand box 1 from being displaced when the rail is sandblasted, and ensure that the relative position of the spray gun connected to the sand box 1 and the rail will not change.

[0033] The protective plate 53 can provide protection for the positioning block 47, thereby preventing the positioning block 47 from being worn due to frequent friction with the rail. When the protective plate 53 needs to be replaced, loosen the bolts and pull the protective plate 53 away from the slider 52 to completely detach it from the slider 52. Then, place a new protective plate 53 into the slider 52, and finally tighten the bolts to complete the replacement of the protective plate 53.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A rail online sandblasting box positioning device, comprising a sandblasting box (1), characterized in that: Support plates (2) are fixedly connected to both sides of the sand box (1), an adjusting cylinder (3) is fixedly connected to the top of the supporting plate (2), a positioning assembly (4) is fixedly connected to the telescopic end of the adjusting cylinder (3), a protective assembly (5) is arranged inside the positioning assembly (4), and a steel rail is arranged below the bottom end of the sand box (1).

2. A rail online sandblasting box positioning device according to claim 1, characterized in that: The positioning assembly (4) comprises a positioning seat (41) fixedly connected to the telescopic end of the regulating cylinder (3), a top roller (42) being rotatably connected inside the positioning seat (41), a side wheel (43) being rotatably connected to the bottom end of the positioning seat (41) located on one side of the top roller (42), a first connecting plate (44) being fixedly connected to the top end of the positioning seat (41), a lifting cylinder (45) being fixedly connected to the top end of the first connecting plate (44), a second connecting plate (46) being fixedly connected to the bottom end of the lifting cylinder (45), and two positioning blocks (47) being fixedly connected to the bottom end of the second connecting plate (46).

3. A rail online sandblasting box positioning device according to claim 2, characterized in that: A positioning groove is provided in the positioning block (47), and the positioning groove is in a U-shape.

4. A rail online sandblasting box positioning device according to claim 2, characterized in that: The bottom end of the positioning seat (41) is located on one side of the top roller (42) and is inclined, and the side wheel (43) is conical.

5. The rail online sandblasting box positioning device according to claim 2, characterized in that: A first guide groove (6) is formed at the top end of the support plate (2), a first guide rod (7) is slidably connected in the first guide groove (6), the first guide rod (7) and the positioning seat (41) are fixedly connected, a second guide groove (8) is formed at the top end of the first connecting plate (44), a second guide rod (9) is slidably connected in the second guide groove (8), and the second guide rod (9) and the second connecting plate (46) are fixedly connected.

6. The rail online sandblasting box positioning device according to claim 2, characterized in that: The protection component (5) comprises a slide groove (51) formed on the inner wall of the positioning block (47), a slider (52) being slidably connected in the slide groove (51), a protection plate (53) being movably connected in the slider (52), and the protection plate (53) and the slider (52) being fixed by bolts.

7. A rail online sandblasting box positioning device according to claim 6, characterized in that: The protective plate (53) is in an "L" shape, and the length of the protective plate (53) is consistent with the length of the positioning block (47).

8. The rail online sandblasting box positioning device according to claim 6, characterized in that: The width of the sliding block (52) is greater than the width of the sliding groove (51), and the length of the sliding block (52) is consistent with the length of the sliding groove (51).

Images