Steel rail milling, positioning and clamping device

Abstract

The utility model discloses a steel rail milling positioning and clamping device, which comprises a base, a fixing mechanism and a positioning mechanism, the fixing mechanism comprises a positioning column, a pressing plate and a fixing nut, the positioning column is detachably arranged on the upper surface of the base, the pressing plate is sleeved on the outer circular surface of the positioning column, the positioning column penetrates through the pressing plate, and the pressing plate is fixed on the base through the fixing nut. The pressing plate is used for fixing the position of a steel rail, the fixing nut is in threaded connection with one end of the positioning column, and the fixing nut is used for fixing the pressing plate. According to the steel rail milling, positioning and clamping device, the base, the supporting plate, the threaded rod and the push plate are arranged in a matched mode, after a steel rail is placed on the base, the threaded rod can drive the push plate to position and clamp the steel rail, and the machining precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rail processing equipment, in particular to a rail milling positioning clamping device. Background Art

[0002] Rails are an important part of the railway transportation system. Rails can evenly distribute the weight of the train, greatly improving the train's load-bearing capacity. The quality and geometry of rails have an important impact on the safety and comfort of railway transportation. In the production and maintenance of rails, milling is often required to ensure that the geometry and surface quality of the rails meet the requirements.

[0003] In the existing rail milling process, the rail is hoisted on an operating table for processing. In order to ensure the processing accuracy and prevent the rail from displacement and shaking during the processing, a fixture is needed to position the rail to be processed. Utility Model Content

[0004] The utility model provides a rail milling positioning clamping device, which prevents the rail from displacement and shaking during the processing and ensures the precision of the rail milling processing.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a rail milling positioning clamping device, including a base, a fixing mechanism and a positioning mechanism;

[0006] The fixing mechanism comprises a positioning column, a pressure plate and a fixing nut, wherein the positioning column is detachably arranged on the upper surface of the base, the pressure plate is sleeved on the outer circumferential surface of the positioning column, and the positioning column penetrates the pressure plate, the pressure plate is used to fix the position of the rail, and the fixing nut is threadedly connected to one end of the positioning column, and the fixing nut is used to fix the pressure plate;

[0007] The positioning mechanism includes a support plate, a threaded rod and a push plate. The support plate is arranged on one side of the base surface. The threaded rod penetrates the support plate and is threadedly connected to the support plate. A push plate is arranged at one end of the threaded rod, and the push plate is used to push the rail.

[0008] Optionally, a support seat is detachably connected to the surface of the base, and a placement area is provided on the surface of the support seat, and the placement area is used to support the rail.

[0009] Optionally, a slide groove is provided on the upper surface of the base, a slide rail is provided on the lower surface of the support seat, and an outer surface of the slide rail is slidably connected to an inner wall of the slide groove.

[0010] Optionally, fixing rings are provided on both sides of the base and the support seat, and fixing pins are inserted into the inner walls of the fixing rings, and the fixing pins are used to limit the movement of the support seat.

[0011] Optionally, a plurality of threaded holes are provided on the upper surface of the base, one end of the positioning column is threadedly connected to the threaded hole, and a limiting ring is further provided on the outer circumferential surface of the positioning column.

[0012] Optionally, mounting seats are provided on both sides of the base, and a connecting plate is detachably connected to the surface of the mounting seat, and the connecting plate is used for connecting multiple bases.

[0013] The utility model provides a rail milling positioning clamping device, which has the following beneficial effects:

[0014] The rail milling positioning and clamping device of the utility model is arranged by the cooperation of the base, the support plate, the threaded rod and the push plate. After the rail is placed on the base, the push plate can be driven by the threaded rod to position and clamp the rail, thereby improving the processing accuracy, and the rail can be initially positioned to reduce the deviation during the subsequent fixing. The positioning column, the pressure plate and the fixing nut are arranged by the cooperation. After the positioning mechanism has positioned the rail, the pressure plate fixes the rail to prevent the rail from shaking during the processing, making the processing process more stable and ensuring the processing accuracy. The utility model has a simple structure, is easy to use, has a reasonable design, and is easy to process and manufacture. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the exploded structure of the rail milling positioning clamping device of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the rail milling positioning clamping device of the utility model when in use;

[0017] Figure 3 It is a schematic structural diagram of a front cross-section of a rail milling positioning clamping device of the utility model.

[0018] In the figure: 1. base; 2. positioning column; 3. pressure plate; 4. fixing nut; 5. support plate; 6. threaded rod; 7. push plate; 8. support seat; 9. placement area; 10. slide groove; 11. slide rail; 12. fixing ring; 13. fixing pin; 14. threaded hole; 15. mounting seat; 16. connecting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1 and 2A rail milling positioning clamping device shown in the figure comprises a base 1, a fixing mechanism and a positioning mechanism, the fixing mechanism comprises a positioning column 2, a pressing plate 3 and a fixing nut 4, the positioning column 2 is detachably arranged on the upper surface of the base 1, the pressing plate 3 is sleeved on the outer cylindrical surface of the positioning column 2, and the positioning column 2 penetrates the pressing plate 3, the pressing plate 3 is used to fix the position of the rail, and the fixing nut 4 is threadedly connected to one end of the positioning column 2, and the fixing nut 4 is used to fix the pressing plate 3;

[0021] The positioning mechanism includes a support plate 5, a threaded rod 6 and a push plate 7. The support plate 5 is arranged on one side of the surface of the base 1. The threaded rod 6 penetrates the support plate 5 and is threadedly connected to the support plate 5. A push plate 7 is arranged at one end of the threaded rod 6, and the push plate 7 is used to push the rail.

[0022] The positioning column 2 can be installed on the base 1 or removed, and the installation position and installation quantity of the positioning column 2 can be adjusted as needed. The pressing plate 3 is sleeved on the positioning column 2, and one side of the pressing plate 3 is provided with a certain curvature, so that the pressing plate 3 can better fit the rail, so that it is more stable and not easy to shake when fixed. A gasket is provided at the bottom of the fixing nut 4, so that the fixing nut 4 can fit firmly with the pressing plate 3. When the threaded rod 6 is rotated, the threaded rod 6 can drive the push plate 7 at one end to move. After the rail is hoisted on the base 1, the threaded rod 6 is rotated to drive the push plate 7 to clamp the rail, which can reduce the shaking during the process of using the pressing plate 3 to fix the rail, and the fixation is more precise.

[0023] In this embodiment, Figure 3 As shown, the surface of the base 1 is detachably connected to a support seat 8, the surface of the support seat 8 is provided with a placement area 9, the placement area 9 is used to support the rail, the upper surface of the base 1 is provided with a slide groove 10, the lower surface of the support seat 8 is provided with a slide rail 11, the outer surface of the slide rail 11 is slidably connected to the inner wall of the slide groove 10, both sides of the base 1 and the support seat 8 are provided with a fixing ring 12, the inner wall of the fixing ring 12 is inserted with a fixing pin 13, and the fixing pin 13 is used to limit the movement of the support seat 8.

[0024] The support seat 8 is detachably connected to the base 1 and can be removed or installed through the side slide groove 10 and the slide rail 11. After the support seat 8 is installed in place, the support seat 8 is aligned with the fixing ring 12 on the base 1. At this time, after the fixing pin 13 is inserted into the fixing ring 12, the position of the support seat 8 can be fixed to prevent the support seat 8 from accidentally sliding during the processing. The placement area 9 is a flatter plane, so that the placement area 9 can better fit with the bottom of the rail, improve the processing stability, and at the same time, when adjusting the position of the rail, it can reduce scratches on the rail.

[0025] In this embodiment, a plurality of threaded holes 14 are provided on the upper surface of the base 1, one end of the positioning column 2 is threadedly connected to the threaded hole 14, a limiting ring is also provided on the outer cylindrical surface of the positioning column 2, mounting seats 15 are provided on both sides of the base 1, and a connecting plate 16 is detachably connected to the surface of the mounting seat 15, and the connecting plate 16 is used for connecting between multiple bases 1.

[0026] The top and bottom of the positioning column 2 are both provided with threads. The threads at the bottom of the positioning column 2 are used to connect with the threaded holes 14, so that the positioning column 2 can be firmly fixed on the base 1. The threads at the top of the positioning column 2 are used to engage with the fixing nut 4, so that the fixing nut 4 fixes the pressure plate 3. The limiting ring can facilitate the rotation of the positioning column 2 and shorten the installation time. The bottom of the connecting plate 16 is provided with a groove that matches the mounting seat 15. The two ends of the connecting plate 16 can be connected to the two mounting seats 15 respectively, thereby increasing the fixed position of the rail and improving the stability of the fixation of longer rails. The two are fixed with bolts, and the bolts can fix the position of the base 1 at the same time.

[0027] The use steps and principles of the rail milling positioning clamping device of the utility model are as follows:

[0028] 1. When in use, first install the support seat 8 on the base 1, and insert the fixing pin 13 into the fixing ring 12 to fix the position of the support seat 8, and use bolts to pass through the mounting seat 15 to fix the position of the base 1;

[0029] 2. When multiple bases 1 need to be fixed at the same time, use the connecting plate 16 to buckle on the mounting seat 15, and use bolts to penetrate the connecting plate 16 and the mounting seat 15, so that the connecting plate 16 is fixed to the base 1 and the connecting plate 16 at the same time;

[0030] 3. After the base 1 is fixed, hoist the rail onto the support seat 8, adjust the threaded rods 6 on both sides, and position and clamp the rail;

[0031] 4. After the adjustment is completed, use the pressure plate 3 to fix the rail, and use the fixing nut 4 to fix the position of the pressure plate 3. After the fixation is completed, the processing is carried out.

[0032] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0033] The specific implementation methods provided by the utility model are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. At the same time, for general technicians in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A rail milling positioning clamping device, characterized in that: It comprises a base (1), a fixing mechanism and a positioning mechanism; The fixing mechanism comprises a positioning column (2), a pressure plate (3) and a fixing nut (4); the positioning column (2) is detachably arranged on the upper surface of the base (1); the pressure plate (3) is sleeved on the outer circumferential surface of the positioning column (2), and the positioning column (2) passes through the pressure plate (3); the pressure plate (3) is used to fix the position of the rail; the fixing nut (4) is threadedly connected to one end of the positioning column (2); and the fixing nut (4) is used to fix the pressure plate (3); The positioning mechanism comprises a support plate (5), a threaded rod (6) and a push plate (7); the support plate (5) is arranged on one side of the surface of the base (1); the threaded rod (6) penetrates the support plate (5) and is threadedly connected to the support plate (5); a push plate (7) is arranged at one end of the threaded rod (6); and the push plate (7) is used to push the rail.

2. The rail milling positioning and clamping device according to claim 1, characterized in that: A support seat (8) is detachably connected to the surface of the base (1), and a placement area (9) is provided on the surface of the support seat (8), wherein the placement area (9) is used to support the rail.

3. The rail milling positioning and clamping device according to claim 2, characterized in that: The upper surface of the base (1) is provided with a slide groove (10), the lower surface of the support seat (8) is provided with a slide rail (11), and the outer surface of the slide rail (11) is slidably connected to the inner wall of the slide groove (10).

4. The rail milling positioning and clamping device according to claim 3, characterized in that: A fixing ring (12) is provided on both sides of the base (1) and the support seat (8), and a fixing pin (13) is inserted into the inner wall of the fixing ring (12), and the fixing pin (13) is used to limit the movement of the support seat (8).

5. The rail milling positioning and clamping device according to claim 1, characterized in that: The upper surface of the base (1) is provided with a plurality of threaded holes (14), one end of the positioning column (2) is threadedly connected to the threaded hole (14), and the outer circumferential surface of the positioning column (2) is also provided with a limiting ring.

6. The rail milling positioning and clamping device according to claim 5, characterized in that: Mounting seats (15) are provided on both sides of the base (1), and a connecting plate (16) is detachably connected to the surface of the mounting seat (15), and the connecting plate (16) is used for connecting multiple bases (1).

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