CN221218328U - Track bed resistance reinforcing and positioning device for toothed rail ballasted railway concrete sleeper - Google Patents
Track bed resistance reinforcing and positioning device for toothed rail ballasted railway concrete sleeper Download PDFInfo
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- CN221218328U CN221218328U CN202323163490.0U CN202323163490U CN221218328U CN 221218328 U CN221218328 U CN 221218328U CN 202323163490 U CN202323163490 U CN 202323163490U CN 221218328 U CN221218328 U CN 221218328U
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- 241001669679 Eleotris Species 0.000 title claims abstract description 97
- 239000004567 concrete Substances 0.000 title claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 title claims description 6
- 230000002708 enhancing effect Effects 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 21
- 239000003814 drug Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000011374 ultra-high-performance concrete Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of rack railways, in particular to a track bed resistance enhancing and positioning device for a concrete sleeper of a rack ballasted railway. The sleeper comprises a beam body arranged at two ends of the sleeper, wherein one end of the beam body is fixedly connected with the end part of the sleeper, and the other end of the beam body is provided with an anchor nail and is fixed with the ground; the beam body is equipped with the bar recess along length direction's both sides, and the opening of bar recess points to the width direction of sleeper. According to the utility model, the beam body is fixedly arranged at two ends of the sleeper, and the strip-shaped grooves are arranged at two sides of the beam body, so that when the sleeper receives a large longitudinal force, the strip-shaped grooves play a longitudinal limiting role on the gripping force generated by railway ballast, the railway bed resistance of the sleeper can be effectively enhanced, and the position stability of the sleeper is maintained; the anchor is arranged at one end of the beam body, which is far away from the end part of the sleeper, and is fixed with the ground, so that the fixing effect of the beam body in the vertical direction and the transverse direction is improved, the longitudinal and transverse sliding and the vertical tilting of the sleeper are prevented, and the positioning effect on the sleeper is enhanced.
Description
Technical Field
The utility model relates to the technical field of rack railways, in particular to a track bed resistance enhancing and positioning device for a concrete sleeper of a rack ballasted railway.
Background
The rack is additionally arranged between the common railway tracks of the toothed rail railway, the insufficient wheel rail adhesive force when the vehicle goes uphill is supplemented or the wheel rail adhesive force is replaced by gear meshing force through a gear device arranged on a bogie of the vehicle, so that higher requirements are put on the longitudinal mechanical properties of a lower sleeper supporting structure system, and the longitudinal resistance of a track bed becomes a key index for guaranteeing the longitudinal stability of the toothed rail ballasted railway track.
The rack rail is used for mountain areas with complex service environment and difficult maintenance, the ultra-high performance concrete with high structural strength, convenient construction and easy maintenance has good applicability, but the stability of the track panel structure is not easy to maintain because the track bed resistance is usually small, so that the sleeper is easy to longitudinally slide, and the track is damaged.
Disclosure of utility model
The utility model aims at: aiming at the problem that the toothed rail sleeper is easy to longitudinally slide in the prior art, the device for enhancing and positioning the track bed resistance of the toothed rail ballasted railway concrete sleeper is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the track bed resistance enhancing and positioning device for the toothed rail ballasted railway concrete sleeper comprises beam bodies arranged at two ends of the sleeper, wherein one end of each beam body is fixedly connected with the end part of the sleeper, and the other end of each beam body is provided with an anchor and is fixed with the ground; the beam body is provided with strip-shaped grooves along two sides of the length direction, and the openings of the strip-shaped grooves point to the width direction of the sleeper.
According to the tooth rail ballasted railway concrete sleeper track bed resistance enhancing and positioning device, the beam bodies are fixedly arranged at the two ends of the sleeper, the strip-shaped grooves are arranged at the two sides of the beam bodies, when the sleeper receives large longitudinal force, the strip-shaped grooves play a longitudinal limiting role on the gripping force generated by railway ballasts, so that the sleeper track bed resistance can be effectively enhanced, and the position stability of the sleeper is maintained;
Meanwhile, the anchor nails are arranged at one end, far away from the end part of the sleeper, of the beam body to be fixed with the ground, so that the fixing effect of the beam body in the vertical direction and the transverse direction is improved, the longitudinal sliding, the transverse sliding and the vertical tilting of the sleeper are prevented, and the positioning effect on the sleeper is enhanced.
As a preferable scheme of the utility model, the beam body comprises an upper flange plate, a lower flange plate and a web plate, and the strip-shaped grooves are symmetrically arranged on two sides of the web plate; the beam body is convenient to manufacture and the strip-shaped groove is convenient to open.
As a preferable scheme of the utility model, the beam body is I-steel; is a common component, and has convenient purchase and low cost.
As a preferable scheme of the utility model, the web plate is fixedly connected with the end part of the sleeper through the L-shaped plates, the two L-shaped plates are symmetrically distributed on two sides of the web plate, one side of each L-shaped plate is fixedly connected with the web plate, and the other side of each L-shaped plate is fixedly connected with the end part of the sleeper; the area of the connecting surface of the beam body and the end part of the sleeper can be increased, so that the connecting strength is enhanced.
As a preferable scheme of the utility model, the L-shaped plate is connected with the sleeper end part through a chemical anchor bolt; the screw rod can be fixedly connected in the drill hole through the pretightening force generated by the medicament, so that the connection strength of the L-shaped plate and the end part of the sleeper is improved.
As a preferable scheme of the utility model, the L-shaped plate is connected with the web plate through a high-strength bolt; the installation is connected conveniently, and can reduce vertical bending stress.
As a preferable scheme of the utility model, a stiffening rib is welded and fixed between two plate surfaces of the L-shaped plate; the stiffening ribs are arranged, so that the connection strength can be improved.
As a preferable scheme of the utility model, tooth-shaped grooves are formed on two sides of the beam body, and the width of each tooth-shaped groove is adaptive to the particle size of railway ballast; the tooth-shaped grooves are formed in the two sides of the beam body, so that the clamping effect of the beam body is improved, and the positioning effect of the sleeper is improved; the width of the tooth-shaped groove is adapted to the grain size of the railway ballast, so that the limit effect is prevented from being weakened due to the overlarge width, or the railway ballast with the overlarge width cannot be blocked into the tooth-shaped groove.
As a preferable scheme of the utility model, the anchor is driven into the road base layer through the railway ballast layer; the fixing effect of the anchor is improved.
As a preferable scheme of the utility model, the length of the beam body is 0.3-0.5 m; preventing the length of the beam body from being too short to provide sufficient grip strength; too long a length makes itself difficult to fasten, impairing the positioning effect.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. According to the tooth rail ballasted railway concrete sleeper track bed resistance enhancing and positioning device, the beam bodies are fixedly arranged at the two ends of the sleeper, the strip-shaped grooves are arranged at the two sides of the beam bodies, when the sleeper receives large longitudinal force, the strip-shaped grooves play a longitudinal limiting role on the gripping force generated by railway ballasts, so that the sleeper track bed resistance can be effectively enhanced, and the position stability of the sleeper is maintained; the anchor is arranged at one end of the beam body, which is far away from the end part of the sleeper, and is fixed with the ground, so that the fixing effect of the beam body in the vertical direction and the transverse direction is improved, the longitudinal and transverse sliding and the vertical tilting of the sleeper are prevented, and the positioning effect on the sleeper is enhanced.
2. In the preferred scheme, the tooth-shaped grooves are formed in the two sides of the beam body, so that the clamping effect of the beam body is improved, and the positioning effect of the sleeper is improved; the width of the tooth-shaped groove is adapted to the grain size of the railway ballast, so that the limit effect is prevented from being weakened due to the overlarge width, or the railway ballast with the overlarge width cannot be blocked into the tooth-shaped groove.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
The marks in the figure: the novel sleeper comprises a sleeper body, sleeper ends, a beam body, an upper flange plate 4, a lower flange plate 5, a web plate 6, a strip-shaped groove 7, a tooth-shaped groove 8, an L-shaped plate 9, a chemical anchor bolt 10, a high-strength bolt 11 and an anchor bolt 12.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1-3, the track bed resistance enhancing and positioning device for the toothed rail ballasted railway concrete sleeper comprises a beam body 3 arranged at two ends of a sleeper 1, wherein one end of the beam body 3 is fixedly connected with the end part 2 of the sleeper, and the other end is provided with an anchor nail 12 and is fixed with the ground; as will be understood by those skilled in the art, ballast refers to coarse gravel and crushed stone laid over a ballast bed for reducing vibrations and noise caused by the passage of a train; the sleeper 1 is a railway accessory, and is used for supporting and fixing steel rails and transmitting upper pressure to a railway bed, the sleeper 1 is generally a strip-shaped structural member and can be divided into a longer length direction with larger size and a shorter width direction, and two ends of the sleeper 1 are two ends of the sleeper 1 in the length direction.
The beam body 3 is a strip-shaped component with a certain height, the beam body 3 is divided into a length direction and a width direction, the beam body 3 can be placed on a ballast bed, one end of the length direction of the beam body is fixedly connected with the end part 2 of the sleeper, the other end of the beam body is fixedly connected with the ground through the anchor nail 12, and the beam body 3 can be used for carrying out traction fixation on the sleeper 1 to achieve a positioning effect.
Specifically, the length direction of the beam body 3 may be parallel to the length direction of the sleeper 1, so that the beam body 3 can limit the slippage of the sleeper 1 in the front-rear two directions.
The two sides of the beam body 3 are provided with strip-shaped grooves 7 extending along the length direction, and those skilled in the art can understand that the strip-shaped grooves 7 refer to grooves with certain length, and the cross section of the grooves is of a concave structure and can be rectangular, arc-shaped or other shapes; the strip-shaped groove 7 is located on the side edge of the beam body 3 and comprises an upper groove edge and a lower groove edge, the opening of the strip-shaped groove 7 points to the width direction of the sleeper 1, when the sleeper 1 slides longitudinally, the strip-shaped groove 7 can wrap railway ballasts, the resistance between the beam body 3 and a railway ballast can be increased, and further the sleeper 1 is prevented from sliding.
Specifically, the lower groove edge of the strip-shaped groove 7 is parallel to the ballast bed or obliquely extends downwards, so that the entry of railway ballast is facilitated.
The longitudinal direction of the present application refers to the extending direction of the rail, that is, the width direction of the sleeper 1; the transverse direction referred to in the present text means a direction perpendicular to the longitudinal direction, i.e. the length direction of the sleeper 1.
Therefore, according to the ballast railway concrete sleeper bed resistance enhancing and positioning device for the toothed rail, the beam body 3 is fixedly arranged at two ends of the sleeper 1, the strip-shaped grooves 7 are arranged at two sides of the beam body 3, when the sleeper 1 receives a large longitudinal force, the strip-shaped grooves 7 play a longitudinal limiting role on the holding force generated by the ballast, so that the sleeper 1 bed resistance can be effectively enhanced, and the position stability of the sleeper 1 is maintained; through setting up anchor 12 and ground fixed at the one end that sleeper tip 2 was kept away from to roof beam body 3, improved the roof beam body 3 and in vertical and horizontal fixed effect, be favorable to preventing sleeper 1 from indulging, horizontal slip and vertical perk, strengthened the location effect to sleeper 1.
In a preferred scheme, the beam body 3 comprises an upper flange plate 4, a lower flange plate 5 and a web plate 6, and strip-shaped grooves 7 are symmetrically arranged on two sides of the web plate 6; it will be appreciated by those skilled in the art that the beam 3 may be formed by splicing the upper and lower flanges 4, 5 and the web 6 therebetween, and the web 6 may be located at a middle position of the upper and lower flanges 4, 5 such that symmetrical strip-shaped grooves 7 are formed on both sides of the web 6.
In particular, the number of webs 6 may be one or more; the web 6, the upper flange plate 4 and the lower flange plate 5 can be fixed by welding or integrally formed.
Furthermore, the beam body 3 is I-steel, is a common component, and is convenient to purchase and low in cost.
In the preferred scheme, web 6 and sleeper tip 2 pass through L shaped plate 9 fixed connection, can adopt two L shaped plate 9 symmetry to set up in the both sides of web 6, and one side and web 6 fixed connection of L shaped plate 9, another side and sleeper tip 2 fixed connection can increase the junction surface area of the roof beam body 3 and sleeper tip 2, guarantees the firm of connection.
Further, the L-shaped plate 9 is connected with the sleeper end 2 through the chemical anchor bolts 10, four installation hole sites distributed in an array can be formed in the sleeper end 2, chemical agent medicine tubes are placed in the hole sites, then the screws of the chemical anchor bolts 10 are screwed into the hole sites, the screws are fixedly arranged in the drilled holes through pretightening force generated by the medicine, and therefore one side of the L-shaped plate 9 is fastened to the sleeper end 2.
Further, the L-shaped plate 9 and the web plate 6 are connected through the high-strength bolts 11, the high-strength bolts 11 refer to bolts capable of bearing larger loads, bolt hole sites can be preset on the L-shaped plate 9 and the web plate 6 during installation, the screw rods of the high-strength bolts 11 sequentially penetrate through the L-shaped plate 9, the web plate 6 and the L-shaped plate 9 on the other side, and then nuts are used for fastening, so that the web plate 6 and the L-shaped plates 9 on the two sides are fixed.
Specifically, the holes of the high-strength bolts 11 can be formed in four arrays, and can be positioned at the same height as the holes of the chemical anchor bolts 10.
Adopt high strength bolt 11 to fasten, compare in the welding, can not produce temperature stress between L shaped plate 9 and web 6, and when the vertical rotation of roof beam body 3, the bending stress of junction can reduce greatly, is favorable to reinforcing the intensity of junction.
Further, stiffening ribs are welded and fixed between the two plate surfaces of the L-shaped plate 9, the L-shaped plate 9 can be welded and formed in advance, and damage to the chemical anchor bolt 10 caused by field welding is avoided; the stiffening ribs can be symmetrically arranged on two sides of the web plate 6 and are arranged at intervals along the height of the web plate 6 so as to ensure the structural stability and the connection strength of the connection part.
In the preferred scheme, tooth-shaped grooves 8 are formed in two sides of the beam body 3, the width of each tooth-shaped groove 8 is matched with the particle size of the railway ballast, and as can be understood by a person skilled in the art, each tooth-shaped groove 8 refers to a structure in which protruding parts and groove parts are alternately arranged, and the tooth-shaped grooves can be formed in the length direction on two sides of the upper flange plate 4 and the lower flange plate 5, which are positioned on the web 6, so that the clamping effect of the beam body 3 on the railway ballast is improved; the width of the tooth-shaped groove 8 refers to the dimension of the groove part in the length direction of the beam body 3, and the width can be equal to or slightly larger than the average grain diameter of the railway ballast at the position, or the width can be the corresponding grain diameter of the railway ballast grain with the largest occupied ratio so as to obtain the optimal clamping effect.
In a preferred scheme, the anchor bolts 12 penetrate through the railway ballast layer and are driven into the road base layer; anchor 12 hole sites can be symmetrically reserved on the lower flanges at two sides of the web 6, the number of the anchor 12 can be 3 at each side, the anchor 12 is fixed on the lower flange of the beam body 3 through anchor bolts and gaskets, the anchor 12 penetrates through a ballast layer to be driven into a road base layer, three-way force generated by the anchor 12 can increase the resistance of a ballast bed, and the positioning effect on the sleeper 1 is enhanced.
In the preferred scheme, the length of the beam body 3 is 0.3-0.5 m, so that the beam body 3 can generate enough holding force for railway ballast, and the rigidity is not reduced due to overlong, thereby influencing the positioning effect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The track bed resistance enhancing and positioning device for the toothed rail ballasted railway concrete sleeper is characterized by comprising beam bodies (3) arranged at two ends of a sleeper (1), wherein one end of each beam body (3) is fixedly connected with one end (2) of the sleeper, and the other end of each beam body is provided with an anchor nail (12) and is fixed with the ground; the sleeper is characterized in that strip-shaped grooves (7) are formed in two sides of the beam body (3) along the length direction, and openings of the strip-shaped grooves (7) point to the width direction of the sleeper (1).
2. The ballast railway concrete sleeper track bed resistance reinforcing and positioning device according to claim 1, wherein the beam body (3) comprises an upper flange plate (4), a lower flange plate (5) and a web plate (6), and the strip-shaped grooves (7) are symmetrically arranged on two sides of the web plate (6).
3. The ballast railway concrete sleeper bed resistance enhancing and positioning device for the toothed rail according to claim 2, wherein the beam body (3) is I-shaped steel.
4. The ballast railway concrete sleeper ballast resistance enhancing and positioning device according to claim 2, wherein the web plate (6) and the sleeper end (2) are fixedly connected through L-shaped plates (9), the two L-shaped plates (9) are symmetrically distributed on two sides of the web plate (6), one side of each L-shaped plate (9) is fixedly connected with the web plate (6), and the other side of each L-shaped plate is fixedly connected with the sleeper end (2).
5. The ballast railway concrete sleeper bed resistance enhancing and positioning device for the toothed rail according to claim 4, wherein the L-shaped plate (9) is connected with the sleeper end (2) through a chemical anchor bolt (10).
6. The ballast railway concrete sleeper bed resistance enhancing and positioning device for the toothed rail according to claim 4, wherein the L-shaped plate (9) is connected with the web plate (6) through high-strength bolts (11).
7. The ballast railway concrete sleeper bed resistance enhancing and positioning device for the toothed rail according to claim 4 is characterized in that stiffening ribs are welded and fixed between two plate surfaces of the L-shaped plate (9).
8. The ballast railway concrete sleeper track bed resistance reinforcing and positioning device for the toothed rail ballasted railway according to any one of claims 1 to 7, wherein toothed grooves (8) are formed in two sides of the beam body (3), and the width of each toothed groove (8) is adaptive to the particle size of a ballast.
9. A ballast railway concrete sleeper track bed resistance enhancing and positioning device according to any of claims 1-7, wherein said anchors (12) penetrate through the ballast layer and are driven into the road base layer.
10. The ballast railway concrete sleeper rail bed resistance reinforcing and positioning device according to any one of claims 1 to 7, wherein the length of the beam body (3) is 0.3 to 0.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323163490.0U CN221218328U (en) | 2023-11-20 | 2023-11-20 | Track bed resistance reinforcing and positioning device for toothed rail ballasted railway concrete sleeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323163490.0U CN221218328U (en) | 2023-11-20 | 2023-11-20 | Track bed resistance reinforcing and positioning device for toothed rail ballasted railway concrete sleeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221218328U true CN221218328U (en) | 2024-06-25 |
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ID=91545797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323163490.0U Active CN221218328U (en) | 2023-11-20 | 2023-11-20 | Track bed resistance reinforcing and positioning device for toothed rail ballasted railway concrete sleeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221218328U (en) |
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2023
- 2023-11-20 CN CN202323163490.0U patent/CN221218328U/en active Active
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