Railway channel steel sleeper
By designing railway trough steel sleepers, using thick steel plates and special fasteners, and combining with the rail bottom slope design, the problem of rust of steel sleepers and other components in existing railway lines is solved, driving safety and service life are improved, and cost is reduced.
Patent Information
- Application Number
- CN202421661278.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The rail sleepers, rails and bolts in existing railway lines are severely corroded in high temperature, closed and humid environments, affecting driving safety.
A railway groove steel pillow is designed, which is integrally rolled with thick steel plates, connected to the track through special fasteners, and a rail bottom slope is designed to improve the fit between the rail and the wheel.
It extends the service life of the rails, improves railway driving safety, and reduces labor costs and material spare parts costs.
Smart Images

Figure CN222908433U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of railway steel sleepers, in particular to a railway channel steel sleeper. Background Art
[0002] There are 18 thawing warehouse lines within the jurisdiction of the construction plant in Anshan Steel Plant, with a railway line length of about 4 km. The original railway line in the warehouse was a fixed ballast bed or steel rail sleeper line. Due to the high temperature, airtightness and humidity in the warehouse, the steel rail sleepers, steel rails, bolts, etc. on the original line were severely corroded, which was not conducive to train operation safety. Therefore, a railway channel steel sleeper is provided now. Content of the Utility Model
[0003] Aiming at the deficiencies of the prior art, the utility model provides a railway channel steel sleeper. The designed channel steel sleeper is integrally rolled from thick steel plates, with light weight, and is connected to the track through special fasteners, which is convenient for construction. And because a rail cant is adopted in the design, it can make a better match between the steel rail and the wheel, extend the service life of the steel rail, improve the safety of railway operation, reduce the labor cost and the cost of spare parts, and overcome the deficiencies of the prior art.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A railway channel steel sleeper includes a U-shaped base. The outer wall of the U-shaped base is welded with U-shaped steel sleeper bars. Connecting rods are arranged on both outer walls of the U-shaped steel sleeper bars. Support rods are welded on one side of each of the two connecting rods. Elastic support components are connected to the two support rods at equal intervals. A limiting structure is connected between the elastic support components and the U-shaped base;
[0006] The elastic support component includes a support bottom plate and notches respectively opened on the two support rods. Support columns are movably inserted into the two notches. A stop block is connected to the top end of the support column. The bottom ends of the two support columns are respectively screwed to both ends of the support bottom plate. Elastic sheets are sleeved on the parts of the two support columns located between the support bottom plate and the support rods. Limiting pins are welded at the four corners of the lower end face of the support bottom plate.
[0007] Preferably, at least four elastic sheets are provided, and adjacent elastic sheets are connected by welding. The stop block is located in the notch.
[0008] Preferably, the top end of the elastic sheet abuts against the bottom end of the support rod, and both bottom ends of the elastic sheet abut against the top end of the support bottom plate.
[0009] Preferably, the limiting structure includes a U-shaped plate welded on the upper end face of the support bottom plate. A through hole is opened on the horizontal section of the U-shaped plate. A positioning pin is welded at the bottom end of the U-shaped base. The bottom of the positioning pin is slidably inserted into the through hole.
[0010] Preferably, three through holes are provided, and three positioning pins are welded. The three through holes are equidistantly distributed on the horizontal section of the U-shaped plate, and the three positioning pins are respectively in plug-in fit with the three through holes.
[0011] Preferably, there is a gap between the bottom ends of both sides of the U-shaped base and the support bottom plate, and the upper end surface of the U-shaped steel sleeper strip is set as an inclined surface.
[0012] Preferably, the U-shaped base and the U-shaped steel sleeper strip are provided with communicating fixing holes, and reinforcing ribs are welded equidistantly on the inner side of the U-shaped base.
[0013] The beneficial effects of the present utility model are as follows:
[0014] The designed channel steel sleeper is integrally rolled from thick steel plates, with light weight, and is connected to the track through special fasteners, which is convenient for construction; and because the rail bottom slope is adopted in the design, it can make a better fit between the rail and the wheel, extend the service life of the rail, improve the safety of railway operation, and reduce the labor cost and the cost of material spare parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 FIG. 1 is a schematic perspective view of a first perspective of a railway channel steel sleeper proposed by the present utility model.
[0016] Figure 2 FIG. 2 is a schematic perspective view of a second perspective of a railway channel steel sleeper proposed by the present utility model.
[0017] Figure 3 FIG. 3 is a schematic perspective view of a third perspective of a railway channel steel sleeper proposed by the present utility model.
[0018] Figure 4 FIG. 4 is a Figure 3 magnified schematic view of part A in a railway channel steel sleeper proposed by the present utility model.
[0019] In the figure: 1, U-shaped base; 2, U-shaped steel sleeper strip; 3, fixing hole; 4, U-shaped plate; 5, support rod; 6, support bottom plate; 7, elastic sheet; 8, support column; 9, stop block; 10, notch; 11, connecting rod; 12, limit pin; 13, reinforcing rib; 14, through hole; 15, positioning pin. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0021] Example 1, refer to Figures 1-4, a railway trough-shaped sleeper, comprising a U-shaped base 1. The outer wall of the U-shaped base 1 is welded with a U-shaped sleeper bar 2. Connecting rods 11 are arranged on the outer walls on both sides of the U-shaped sleeper bar 2. Support rods 5 are welded on one side of each of the two connecting rods 11. Elastic support components are connected to the two support rods 5 at equal intervals. A limiting structure is connected between the elastic support components and the U-shaped base 1;
[0022] The elastic support components include a support bottom plate 6 and notches 10 respectively formed on the two support rods 5. Support columns 8 are movably inserted into the two notches 10. A stopper 9 is connected to the top end of the support column 8. The bottom ends of the two support columns 8 are respectively screwed to both ends of the support bottom plate 6. Elastic sheets 7 are sleeved on the parts of the two support columns 8 located between the support bottom plate 6 and the support rods 5. Limiting pins 12 are welded at the four corners of the lower end face of the support bottom plate 6;
[0023] At least four elastic sheets 7 are provided, and adjacent two elastic sheets 7 are connected by welding. The stopper 9 is located in the notch 10;
[0024] The top end of the elastic sheet 7 abuts against the bottom end of the support rod 5, and both bottom ends of the elastic sheet 7 abut against the top end of the support bottom plate 6;
[0025] The limiting structure includes a U-shaped plate 4 welded on the upper end face of the support bottom plate 6. A through hole 14 is formed in the horizontal section of the U-shaped plate 4. A positioning pin 15 is welded at the bottom end of the U-shaped base 1. The bottom of the positioning pin 15 is slidably inserted at the through hole 14;
[0026] Three through holes 14 are formed. Three positioning pins 15 are welded. The three through holes 14 are equidistantly distributed in the horizontal section of the U-shaped plate 4. The three positioning pins 15 respectively form a plug-in fit with the three through holes 14;
[0027] A gap is reserved between the bottom ends on both sides of the U-shaped base 1 and the support bottom plate 6. The upper end face of the U-shaped sleeper bar 2 is set as an inclined plane;
[0028] Fixing holes 3 which are communicated with each other are formed in the U-shaped base 1 and the U-shaped sleeper bar 2. Reinforcing ribs 13 are welded at equal intervals on the inner side of the U-shaped base 1.
[0029] Working principle: The track is connected with the U-shaped sleeper bar 2 by using special fasteners in the fixing holes 3. The limiting pins 12 are inserted into the railway base layer, which can reduce the possibility of displacement of the U-shaped base 1. The elastic sheets 7 play an elastic supporting role on the support rods 5, which can reduce the impact force generated on the U-shaped sleeper bar 2 when the train passes by, reduce the probability of deformation of the U-shaped sleeper bar 2, and extend the service life of the U-shaped sleeper bar 2. Moreover, the upper end face of the U-shaped sleeper bar 2 is set as an inclined plane, that is, the rail bottom slope design is adopted, which can make the cooperation between the rail and the wheel better, improve the railway operation safety, and reduce the labor cost and the cost of material spare parts.
[0030] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent replacements or changes, shall be covered by the protection scope of the present utility model.
Claims
1. A railway trough steel sleeper, comprising a U-shaped base (1), characterized in that: The outer wall of the U-shaped base (1) is welded with a U-shaped steel pillow bar (2), the outer walls on both sides of the U-shaped steel pillow bar (2) are provided with connecting rods (11), one side of the two connecting rods (11) is welded with support rods (5), and elastic support components are connected to the two support rods (5) at equal distances, and a limited position structure is connected between the elastic support component and the U-shaped base (1); The elastic support assembly comprises a support base plate (6) and notches (10) respectively provided on the two support rods (5), support columns (8) are movably inserted at the two notches (10), the top ends of the support columns (8) are connected to stoppers (9), the bottom ends of the two support columns (8) are respectively screwed to the two ends of the support base plate (6), the parts of the two support columns (8) located between the support base plate (6) and the support rods (5) are sleeved with spring sheets (7), and limit pins (12) are welded at the four corners of the lower end surface of the support base plate (6).
2. A railway trough steel sleeper according to claim 1, characterized in that: At least four spring sheets (7) are provided, and two adjacent spring sheets (7) are connected by welding, and the stopper (9) is located in the notch (10).
3. A railway trough steel sleeper according to claim 1, characterized in that: The top end of the spring sheet (7) abuts against the bottom end of the support rod (5), and the bottom ends on both sides of the spring sheet (7) abut against the top end of the support bottom plate (6).
4. A railway trough steel sleeper according to claim 1, characterized in that: The limiting structure comprises a U-shaped plate (4) welded to the upper end surface of the supporting base plate (6), a through hole (14) is provided in the horizontal section of the U-shaped plate (4), a positioning pin (15) is welded to the bottom end of the U-shaped base (1), and the bottom of the positioning pin (15) is slidably inserted in the through hole (14).
5. A railway trough steel sleeper according to claim 4, characterized in that: The through holes (14) are provided with three holes, and the positioning pins (15) are welded with three holes. The three through holes (14) are distributed at equal distances in the horizontal section of the U-shaped plate (4), and the three positioning pins (15) are respectively plugged into the three through holes (14).
6. A railway trough steel sleeper according to claim 1, characterized in that: A gap is reserved between the bottom ends of both sides of the U-shaped base (1) and the supporting bottom plate (6), and the upper end surface of the U-shaped steel pillow bar (2) is arranged as an inclined surface.
7. The railway trough steel sleeper according to claim 1, characterized in that: The U-shaped base (1) and the U-shaped steel pillow bar (2) are provided with interconnected fixing holes (3), and reinforcing ribs (13) are welded at equal distances on the inner side of the U-shaped base (1).