Track fastener with adjustable height

Abstract

The utility model provides a rail fastener capable of adjusting height, which comprises a sleeper and a rail, a first fastener frame and a second fastener frame are symmetrically arranged on the surface of the top of the sleeper about the center line of the sleeper, the surfaces of the first fastener frame and the second fastener frame are respectively provided with a fixing groove, the rail is fixed between the two fixing grooves, and the first fastener frame and the second fastener frame are fixed on the rail. A base plate is placed in the fixing groove, threaded holes are formed in the top surfaces of the first fastener frame and the second fastener frame, threaded columns are spirally connected into the threaded holes, and extrusion plates are movably installed at the positions, located in the fixing groove, of the bottom ends of the threaded columns. According to the rail fixing device, the first fastener frame, the second fastener frame, the extrusion plate, the threaded column, the rotating rod and the base plate are matched for use, so that the mounting height of the rail in the fixing groove can be adjusted according to the site condition of construction while the rail is fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of track fasteners, in particular to a height-adjustable track fastener. Background Art

[0002] Railway tracks are referred to as rails, iron tracks, and tracks. They are mainly used on railways and work with switches to allow trains to run without turning. They are usually composed of two parallel steel rails fixed on sleepers with ballast under the sleepers. They are fastened by rail supports, fasteners, rail clamps, splints, spring bars, rail spikes and other railway accessories.

[0003] After massive search, it is found that in the prior art, such as publication number CN217579541U, a railway track adjustable height fastener device solves the technical problem that the current railway track fasteners generally do not have a height adjustment function; it includes a bottom plate, a gusset plate and two rectangular blocks, the top of the bottom plate is provided with a gusset plate, both sides of the top of the bottom plate and both sides of the bottom of the gusset plate are provided with horizontal grooves, the middle of the four horizontal grooves are provided with vertical grooves, the four vertical grooves are respectively connected with the top and bottom of the two rectangular blocks, and the bottom of the gusset plate is bonded with a first rubber pad; the utility model is to connect the two rectangular blocks by water Placed flat in the horizontal groove, the bottom plate can support the gusset plate through two rectangular blocks. By burying the embedded sleeve into the sleeper, the sleeper can limit the bottom plate. By turning the hexagonal column with a socket wrench, the screw can be driven to rotate, and the screw can be screwed into the embedded sleeve. The hexagonal column can apply pressure to the gusset plate through the spring, so that the limit bar of the gusset plate can be fastened to the bottom of the rail. According to the technical problems in the above-mentioned cited documents, the current fasteners for railway tracks generally do not have a height adjustment function, which makes it inconvenient to adjust the height of the fasteners, has poor flexibility, and it is difficult to ensure the fit between the fasteners and the bottom of rails at different heights.

[0004] Therefore, it is necessary to provide a height-adjustable track fastener to solve the above technical problems. Utility Model Content

[0005] The utility model provides a height-adjustable track fastener, which solves the problems in the background technology.

[0006] In order to solve the above technical problems, the utility model provides an adjustable height track fastener, including a sleeper rail and a rail, wherein the top surface of the sleeper rail is symmetrically installed with a first fastener frame and a second fastener frame about its center line, the surfaces of the first fastener frame and the second fastener frame are both provided with a fixing groove, the rail is fixed between the two fixing grooves, a pad is placed inside the fixing groove, a threaded hole is provided on the top surface of the first fastener frame and the second fastener frame, a threaded column is spirally connected inside the threaded hole, the bottom end of the threaded column is located in the fixing groove and an extrusion plate is movably installed, and the first fastener frame, the second fastener frame, the extrusion plate, the threaded column, the rotating rod, and the pad are used in coordination, so that when the rail is fixed, At the same time, the height of the rail installed in the fixed groove can be adjusted according to the construction site conditions, so that during operation, the staff first places a specified number of pads into the fixed groove, and then the staff clamps the two ends of the rail into the fixed groove, and then places a certain number of pads on the surface of the rail. When the distance between the uppermost pad and the top of the fixed groove is less than the thickness of a pad, the staff manually rotates the handwheel, and then the handwheel drives the extrusion plate to move downward through the screw, so that the extrusion plate can squeeze the pad below, thereby completing the fixation of the rail. This method is simple to operate, easy to adjust the height of the rail according to the construction conditions, and improves the flexibility of equipment use.

[0007] Preferably, the first fastener frame, the second fastener frame and the surface of the sleeper rail are all provided with fixing holes, and the first fastener frame and the second fastener frame are fixedly connected to the sleeper rail by fasteners penetrating the fixing holes. By providing the fixing holes, it is convenient to fix the first fastener frame and the second fastener frame to the sleeper rail, so that when fixing, the staff can align the fixing holes of the first fastener frame and the second fastener frame with the fixing holes on the surface of the sleeper rail, and then fix them by fasteners.

[0008] Preferably, a hand wheel is installed at the top of the threaded column. By providing the hand wheel, the threaded column can be rotated conveniently, so that the extrusion plate can be driven by the threaded rod to support the pad and the rail inside the fixed groove.

[0009] Preferably, the width of the pad is equal to the inner width of the fixing groove. By setting the width of the pad to be equal to the inner width of the fixing groove, it is easy to make the pad fit into the fixing groove, thereby facilitating the support of the rail.

[0010] Preferably, the distance between the inner walls of the two fixing grooves is equal to the cross-sectional width of the rail. By setting the distance between the inner walls of the two fixing grooves to be equal to the cross-sectional width of the rail, the stability of the rail between the first fastener frame and the second fastener frame can be improved.

[0011] Preferably, the pad is made by cutting a steel plate. By arranging the pad to be made by cutting a steel plate, it is convenient to utilize the compressive properties of the steel plate, thereby improving the supporting performance of the rail.

[0012] Compared with the related art, the height-adjustable track fastener provided by the utility model has the following beneficial effects:

[0013] 1. Compared with the prior art, this type of adjustable height rail fastener, by setting the first fastener frame, the second fastener frame, the extrusion plate, the threaded column, the rotating rod, and the pad for coordinated use, can fix the rail and adjust the height of the rail installed inside the fixing groove according to the construction site conditions. During operation, the staff first places a specified number of pads into the fixing groove, and then the staff clamps the two ends of the rail into the fixing groove, and then places a certain number of pads on the surface of the rail. When the distance between the uppermost pad and the top of the fixing groove is less than the thickness of a pad, the staff manually rotates the hand wheel, and then the hand wheel drives the extrusion plate to move downward through the screw, so that the extrusion plate can squeeze the pad below, thereby completing the fixation of the rail. This method is simple to operate, is convenient for adjusting the height of the rail according to the construction conditions, and improves the flexibility of equipment use.

[0014] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a height-adjustable track fastener provided by the utility model;

[0016] Figure 2 A front view of a height-adjustable track fastener provided by the utility model;

[0017] Figure 3 A schematic diagram of a first fastener frame structure of a height-adjustable track fastener provided by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of a pad structure of a height-adjustable track fastener.

[0019] Numbers in the figure:

[0020] 1. Sleeper rail; 2. First fastener frame; 3. Fastener; 4. Rail; 5. Second fastener frame; 6. Threaded column; 7. Fixing hole; 8. Hand wheel; 9. Threaded hole; 10. Extrusion plate; 11. Fixing groove; 12. Pad. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] First embodiment

[0023] Please refer to Figure 1-4A height-adjustable track fastener comprises a sleeper rail 1 and a rail 4, wherein the top surface of the sleeper rail 1 is symmetrically provided with a first fastener frame 2 and a second fastener frame 5 about its center line, the surfaces of the first fastener frame 2 and the second fastener frame 5 are provided with a fixing groove 11, the rail 4 is fixed between the two fixing grooves 11, a pad 12 is placed inside the fixing groove 11, the top surfaces of the first fastener frame 2 and the second fastener frame 5 are provided with a threaded hole 9, a threaded column 6 is spirally connected inside the threaded hole 9, the bottom end of the threaded column 6 is located inside the fixing groove 11 and an extrusion plate 10 is movably installed, by arranging the first fastener frame 2, the second fastener frame 5, the extrusion plate 10, the threaded column 6, the rotating rod, and the pad 12, so that while the rail 4 is fixed, the height-adjustable track fastener comprises a sleeper rail 1 and a second fastener frame 5, wherein the sleeper rail 1 is symmetrically provided with a first fastener frame 2 and a second fastener frame 5, and the first fastener frame 2 and the second fastener frame 5 are provided with a fixing groove 11, wherein the first fastener frame 2, the second fastener frame 5, the extrusion plate 10, the threaded column 6, the rotating rod, and the pad 12 are used in coordination, so that the height-adjustable track fastener comprises a sleeper rail 1 and a second fastener frame 5 ... The height of the rail 4 installed inside the fixing groove 11 can be adjusted according to the construction site conditions, so that during operation, the staff first places a specified number of pads 12 into the fixing groove 11, and then the staff clamps the two ends of the rail 4 into the fixing groove 11, and then places a certain number of pads 12 on the surface of the rail 4. When the distance between the uppermost pad 12 and the top of the fixing groove 11 is less than the thickness of one pad 12, the staff manually rotates the handwheel 8, and then the handwheel 8 drives the extrusion plate 10 to move downward through the screw, so that the extrusion plate 10 can squeeze the pad 12 below, thereby completing the fixation of the rail 4. This method is simple to operate, convenient for adjusting the height of the rail 4 according to the construction conditions, and improves the flexibility of equipment use.

[0024] The working principle of the height-adjustable track fastener provided by the utility model is as follows:

[0025] When operating this type of height-adjustable rail fastener, the staff first places a specified number of pads 12 into the fixing groove 11, and then the staff clamps the two ends of the rail 4 into the fixing groove 11, and then places a certain number of pads 12 on the surface of the rail 4. When the distance between the uppermost pad 12 and the top of the fixing groove 11 is less than the thickness of one pad 12, the staff manually rotates the handwheel 8, and then the handwheel 8 drives the extrusion plate 10 to move downward through the screw, so that the extrusion plate 10 can squeeze the pad 12 below, thereby completing the fixation of the rail 4. This method is simple to operate, and is convenient for adjusting the height of the rail 4 according to the construction situation, thereby improving the flexibility of equipment use.

[0026] Compared with the related art, the height-adjustable track fastener provided by the utility model has the following beneficial effects:

[0027] By setting the first fastener frame 2, the second fastener frame 5, the extrusion plate 10, the threaded column 6, the rotating rod, and the pad 12 for coordinated use, the height of the rail 4 installed in the fixing groove 11 can be adjusted according to the construction site conditions while the rail 4 is fixed. During operation, the staff first places a specified number of pads 12 into the fixing groove 11, and then the staff clamps the two ends of the rail 4 into the fixing groove 11, and then places a certain number of pads 12 on the surface of the rail 4. When the distance between the uppermost pad 12 and the top of the fixing groove 11 is less than the thickness of one pad 12, the staff manually rotates the handwheel 8, and then the handwheel 8 drives the extrusion plate 10 to move downward through the screw, so that the extrusion plate 10 can squeeze the pad 12 below, thereby completing the fixation of the rail 4. This method is simple to operate, is convenient for adjusting the height of the rail 4 according to the construction conditions, and improves the flexibility of equipment use.

[0028] Second embodiment

[0029] Please refer to Figure 1-4 Based on the adjustable height rail fastener provided in the first embodiment of the present application, the second embodiment of the present application provides another adjustable height rail fastener. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0030] Specifically, the difference of the adjustable height rail fastener provided in the second embodiment of the present application is that the first fastener frame 2, the second fastener frame 5 and the surface of the sleeper rail 1 are all provided with fixing holes 7, and the first fastener frame 2 and the second fastener frame 5 are fixedly connected to the sleeper rail 1 through the fastener 3 penetrating the fixing holes 7. By setting the fixing holes 7, it is convenient to fix the first fastener frame 2 and the second fastener frame 5 to the sleeper rail 1, so that when fixing, the staff aligns the fixing holes 7 of the first fastener frame 2 and the second fastener frame 5 with the fixing holes 7 on the surface of the sleeper rail 1, and then the staff can fix it through the fastener 3.

[0031] With this technical solution, a handwheel 8 is installed at the top of the threaded column 6. The handwheel 8 facilitates the rotation of the threaded column 6 and facilitates the extrusion plate 10 to support the pad 12 and the rail 4 inside the fixed groove 11 through the threaded rod.

[0032] With this technical solution, the width of the pad 12 is equal to the inner width of the fixing groove 11. By setting the width of the pad 12 equal to the inner width of the fixing groove 11, it is easy to make the pad 12 fit with the fixing groove 11, thereby facilitating the support of the rail 4.

[0033] By adopting this technical solution, the distance between the inner walls of the two fixing grooves 11 is equal to the cross-sectional width of the rail 4. By setting the distance between the inner walls of the two fixing grooves 11 to be equal to the cross-sectional width of the rail 4, the stability of the rail 4 between the first fastener frame 2 and the second fastener frame 5 can be improved.

[0034] With this technical solution, the pad 12 is made by cutting a steel plate. By setting the pad 12 to be made by cutting a steel plate, the compressive properties of the steel plate can be utilized, thereby improving the supporting performance of the rail 4.

[0035] With this technical solution, the control circuit can be set up through a control panel and can be realized through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.

[0036] It should be noted that all kinds of components used in this application document are standard parts and can be purchased on the market. The specific connection methods of each part adopt conventional means such as mature bolts, rivets and welding in the existing technology. Machinery, parts and electrical equipment all adopt conventional models in the existing technology. Circuit connections adopt conventional connection methods in the existing technology. Electrical equipment are connected to an external safe power supply, and no specific description is given here.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A height-adjustable rail fastener, comprising a sleeper rail (1) and a rail (4), characterized in that: The top surface of the sleeper rail (1) is symmetrically provided with a first fastener frame (2) and a second fastener frame (5) about its center line, and the surfaces of the first fastener frame (2) and the second fastener frame (5) are both provided with a fixing groove (11), the rail (4) is fixed between the two fixing grooves (11), a pad (12) is placed inside the fixing groove (11), and the top surfaces of the first fastener frame (2) and the second fastener frame (5) are provided with a threaded hole (9), a threaded column (6) is spirally connected inside the threaded hole (9), and an extrusion plate (10) is movably installed at the bottom end of the threaded column (6) inside the fixing groove (11).

2. The height-adjustable rail fastener according to claim 1, characterized in that: The surfaces of the first fastener frame (2), the second fastener frame (5) and the sleeper rail (1) are all provided with fixing holes (7), and the first fastener frame (2) and the second fastener frame (5) are fixedly connected to the sleeper rail (1) via fasteners (3) penetrating the fixing holes (7).

3. The height-adjustable rail fastener according to claim 1, characterized in that: A hand wheel (8) is installed on the top of the threaded column (6).

4. The height-adjustable rail fastener according to claim 1, characterized in that: The width of the pad (12) is equal to the inner width of the fixing groove (11).

5. The height-adjustable rail fastener according to claim 1, characterized in that: The distance between the inner walls of the two fixing grooves (11) is equal to the cross-sectional width of the rail (4).

6. The height-adjustable rail fastener according to claim 1, characterized in that: The backing plate (12) is made by cutting a steel plate.

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