CN216514886U - Line reinforcing device for existing railway - Google Patents
Line reinforcing device for existing railway Download PDFInfo
- Publication number
- CN216514886U CN216514886U CN202123160228.1U CN202123160228U CN216514886U CN 216514886 U CN216514886 U CN 216514886U CN 202123160228 U CN202123160228 U CN 202123160228U CN 216514886 U CN216514886 U CN 216514886U
- Authority
- CN
- China
- Prior art keywords
- existing
- line
- cross beam
- railway
- longitudinal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model relates to a line reinforcing device for an existing railway, which comprises existing sleepers and running rails arranged on the existing sleepers, wherein a cross beam is arranged between the two existing sleepers, longitudinal beams are respectively arranged at two ends of the existing sleepers, two ends of the cross beam are fixedly connected with the longitudinal beams, a corner brace device is arranged between the inner side wall of each longitudinal beam and the bottom surface of each cross beam, and the running rails are connected with the cross beams; the utility model can meet the high requirement of the railway on the smoothness of the line, and has the advantages of relatively simple structure, safety and stability, better reinforcing effect, smaller line interval and larger span of sections of the double-line railway, and the like.
Description
Technical Field
The utility model belongs to the technical field of traffic facility construction, and particularly relates to a line reinforcing device for an existing railway.
Background
With the continuous development of economic construction in China, the construction of railways and urban subways is continuously increased, tunnel or shield underpass of existing railway lines, jacking construction of existing bridges and culverts and the like sometimes occurs, and in order to achieve the construction purpose and ensure safe and smooth transportation of the existing railways, a reliable reinforcing mode for the existing railway lines is a necessary problem.
At present, the reinforcement method of the existing operation railway mainly comprises a rail buckling beam method, a longitudinal lifting and transverse lifting method, a D-shaped temporary beam reinforcement method, a continuous construction temporary beam method and the like. The rail beam buckling method is simple and easy to operate, but has poor reinforcing effect; the longitudinal-cantilever and transverse-lifting reinforcing method adopts a supporting pile to support an I-shaped steel or rail beam longitudinal beam, and then the longitudinal beam and the I-shaped steel transverse-lifting beam at the bottom are connected and fixed through a U-shaped bolt to form a transverse-lifting longitudinal-cantilever reinforcing line, so that the structure is complex and unstable, the safety risk is high, and the method is not suggested to be used at present; the D-shaped temporary beam reinforcing method is a line reinforcing method for supporting a longitudinal beam member of a steel temporary beam on a supporting pile or pier, transversely lifting a track by a beam member, and splicing and connecting longitudinal beams and transverse beams into an integral overhead line, and has the advantages of simple structure, safety and stability, fixed temporary beam width and incapability of being used under the condition of small line spacing of double-line railway sections and small curve radius; the continuous construction beam-erecting method is characterized in that large I-shaped steel beams with fixed modulus are connected by adopting an equal strength connection method to form a long and long-span continuous beam, one or more supporting points are arranged in the middle of the beam to form a hyperstatic structure, and the large I-shaped steel beams used in the method have insufficient transverse rigidity and poor stability and are unfavorable for driving safety.
For example, patent application with publication number CN210684351U discloses a railway line reinforcing device for construction of passing through an existing railway, which comprises long sleepers arranged on existing line sleepers and existing line rails, hanging rails, i-steel cross beams, i-steel longitudinal beams and sleeper piles, wherein the long sleepers are inserted between the existing line sleepers, the hanging rails are arranged above the existing line sleepers and above two ends of the long sleepers, and the i-steel cross beams pass through the existing line rails and are perpendicular to the existing line rails.
As disclosed in patent application with publication number CN208235233U, a railway reinforcing device is disclosed, which comprises a fastening rail fixed on the existing sleeper through a fixing device; the buckling rails comprise side-span buckling rails arranged on two sides of the steel rail and a mid-span buckling rail arranged between the two steel rails; the fixing device comprises a U-shaped bolt and a buckle plate with a through hole, the U-shaped bolt is sleeved on the sleeper, the buckle plate is buckled on the buckle rail, and two ends of the U-shaped bolt are fixed with the through hole of the buckle plate.
The technical solutions of the above two patents have the above disadvantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a line reinforcing device for an existing railway, which can meet the high requirement of the railway on the smoothness of the line and has the effects of relatively simple structure, safety, stability and better reinforcing effect.
The technical scheme adopted by the utility model is as follows: the utility model provides a circuit reinforcing apparatus for existing railway, its includes existing sleeper and sets up the driving rail on existing sleeper, is equipped with the crossbeam between two existing sleepers, is equipped with the longeron respectively at the both ends of existing sleeper, the both ends and the longeron fixed connection of crossbeam, are equipped with the corner brace device between the inside wall of longeron and crossbeam bottom surface, the driving rail is connected with the crossbeam.
Furthermore, the angle brace device comprises a connecting plate fixedly arranged on the inner side wall of the longitudinal beam and angle steel boxes respectively connected with the connecting plate and the cross beam.
Furthermore, the angle steel box is of a hollow structure, and a plurality of bolt holes are formed in the steel plates on two sides of the angle steel box.
Furthermore, two ends of the cross beam are connected with the longitudinal beam through U-shaped bolts respectively.
Furthermore, an insulating rubber pad and a base plate are arranged on the contact surface of the top surface of the longitudinal beam and the bottom surface of the cross beam.
Furthermore, the crossbeams are arranged below the travelling rails at equal intervals, are perpendicular to the travelling rails and are connected with the travelling rails through steel rail fasteners.
Furthermore, the top surface of the existing sleeper is as high as the top surface of the cross beam.
Furthermore, the longitudinal beam is arranged on the supporting piles at two sides of the line.
The utility model has the positive effects that: the technical scheme of the utility model integrates the advantages of a plurality of reinforcing methods such as a rail buckling beam method, a longitudinal and transverse lifting method, a D-shaped temporary beam reinforcing method, a continuous construction temporary beam method and the like, can meet the high requirement of railways on the smoothness of lines, has the advantages of relatively simple structure, safety and stability, better reinforcing effect, smaller line spacing and larger span of sections of adaptive double-line railways and the like, and provides the line reinforcing device of the existing railway, which can not influence the construction below the line. Rely on the angle-steel box to be used for connecting simultaneously for train operating stability promotes to some extent
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of an angle iron box according to the present invention;
FIG. 4 is a schematic view of the U-shaped bolt structure of the present invention.
In the attached drawings, 1-the existing sleeper, 2-the cross beam, 3-the longitudinal beam, 4-the U-shaped bolt, 5-the running rail, 6-the connecting plate, 7-the angle steel box.
Detailed Description
Example 1
As shown in fig. 1-4, the present embodiment provides a line reinforcing apparatus for an existing railway, which includes an existing sleeper 1 and a running rail 5 disposed on the existing sleeper 1, wherein longitudinal beams 3 are disposed at two ends of the existing sleeper 1, a cross beam 2 perpendicular to the longitudinal beams 3 is disposed between the two longitudinal beams 3, two ends of the cross beam 2 are fixedly connected to the longitudinal beams 3, a top surface of the cross beam 2 is connected to the running rail 5, and a corner support device is disposed between an inner side wall of the longitudinal beam 3 and a bottom surface of the cross beam 2.
In this embodiment, the angle brace device comprises a connecting plate 6 arranged on the inner side wall of the longitudinal beam 3 and an angle steel box 7 arranged on the connecting plate 6, wherein the angle steel box 7 is also fixed with the transverse beam 2, and the transverse beam 2 is connected with the longitudinal beam 3 by a bolting method.
The angle steel box 7 is of a hollow structure, the thickness of steel plates on two sides is consistent with that of common angle steel, and a plurality of bolt holes are formed in the steel plates.
Preferably, the end part of the cross beam 2 is connected with the top part of the longitudinal beam 3 by a U-shaped bolt 4.
Meanwhile, the angle steel box and the u-shaped bolt enable the long-range overhead line to have higher stability, the requirement of a railway on the smoothness of the line is met, and the reinforcing effect and the driving safety of the line can be well guaranteed. The plurality of cross beams can also adapt to the condition that the line spacing of the single-track railway section is small.
Example 2
The embodiment is further limited on the basis of the embodiment 1, in the embodiment, the cross beams 2 are arranged at equal intervals on the lower side of the travelling rail 5, the top surface of the existing sleeper 1 is as high as the top surface of the cross beam 2, and the existing sleeper 1 is connected with the travelling rail 5 through a steel rail fastener.
Example 3
The present embodiment is further limited based on embodiment 1 or 2, and in the present embodiment, an insulating rubber pad and a backing plate are provided at the connection position of the longitudinal beam 3 and the transverse beam 2 to reinforce the rail surface and reduce the interference to the electrical signal.
And the U-shaped bolt 4 is made of phi 22 round steel, and the two ends of the U-shaped bolt are provided with M22 threads.
The installation process of the utility model is as follows:
should carry out the tamping to the foundation bed before the installation to guarantee that the ballast bed is stable, and need carry out stress diffusion and welding to the jointless quality route, and monitor rail temperature change.
(1) And arranging a supporting pile.
The support piles are arranged on two sides of the existing line by utilizing the train blocking time, construction is strictly carried out according to the design size and requirements, and the support piles can be used after the strength is reached. The supporting piles not only meet the bearing requirements of the temporary beams, but also play a role in reinforcing the railway roadbed.
(2) And a beam is penetrated downwards.
The cross beam 2 is penetrated under the condition that the existing sleeper 1 is not disturbed as much as possible, and the ballast below the cross beam 2 is vibrated in advance.
(3) And (5) paving the longitudinal beams.
And (3) placing the longitudinal beam 3 on the prepared support pile, and connecting the top of the longitudinal beam 3 with the cross beam 2 through a U-shaped bolt 4. Meanwhile, the longitudinal beam 3 and the transverse beam 2 are connected by bolts through the angle steel box 7 and the connecting plate 6.
After the reinforcing method is used for reinforcing, the construction under the line can be carried out under the conditions of not influencing the driving safety and not interrupting the driving, such as shield tunneling, bridge and culvert jacking and the like, and the construction period is saved.
At present, the technical scheme of the utility model has been subjected to a pilot plant test, namely a small-scale test of the product before large-scale mass production; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of products for formal production for industrialization (including intellectual property risk early warning research) has been started.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a circuit reinforcing apparatus for existing railway, its includes existing sleeper (1) and driving rail (5) of setting on existing sleeper (1), its characterized in that is equipped with crossbeam (2) between two existing sleepers (1), is equipped with longeron (3) respectively at the both ends of existing sleeper (1), and the both ends and longeron (3) fixed connection of crossbeam (2) are equipped with the corner brace device between the inside wall of longeron (3) and crossbeam (2) bottom surface, driving rail (5) are connected with crossbeam (2).
2. A line reinforcing arrangement for existing railways according to claim 1, characterized in that the angle brace arrangement comprises a web (6) fixedly arranged on the inner side wall of the longitudinal beam (3) and angle boxes (7) connected to the web (6) and the cross beam (2), respectively.
3. A line strengthening device for existing railways according to claim 2, characterised in that the angle box (7) is of hollow construction with several bolt holes in the steel plates on both sides.
4. A line strengthening device for existing railways according to claim 1, characterized in that the cross beam (2) is connected at both ends to the longitudinal beam (3) by means of U-bolts (4), respectively.
5. A line strengthening device for existing railways according to claim 1 or 4, characterized in that there are insulating rubber pads and tie plates on the contact surface of the top surface of the longitudinal beams (3) and the bottom surface of the cross beam (2).
6. A line reinforcing arrangement for an existing railway according to claim 1, characterized in that the cross beams (2) are arranged at equal intervals below the running rails (5), arranged perpendicular to the running rails (5) and connected to the running rails (5) by means of rail fasteners.
7. A line reinforcing device for existing railways according to claim 1, characterized in that the top surface of the existing sleeper (1) is level with the top surface of the cross beam (2).
8. A line reinforcing arrangement for an existing railway according to claim 1, characterized in that the longitudinal beams (3) are arranged on support piles at both sides of the line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123160228.1U CN216514886U (en) | 2021-12-15 | 2021-12-15 | Line reinforcing device for existing railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123160228.1U CN216514886U (en) | 2021-12-15 | 2021-12-15 | Line reinforcing device for existing railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216514886U true CN216514886U (en) | 2022-05-13 |
Family
ID=81498052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123160228.1U Active CN216514886U (en) | 2021-12-15 | 2021-12-15 | Line reinforcing device for existing railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216514886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434191A (en) * | 2022-10-17 | 2022-12-06 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Deep deformation treatment method for ballast track subgrade of operation railway |
-
2021
- 2021-12-15 CN CN202123160228.1U patent/CN216514886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434191A (en) * | 2022-10-17 | 2022-12-06 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Deep deformation treatment method for ballast track subgrade of operation railway |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102926299B (en) | Railway elevating and fixing device and railway bridge and culvert construction method adopting railway elevating and fixing device | |
| Hu et al. | Recent development of design and construction of medium and long span high-speed railway bridges in China | |
| CN102979041B (en) | Soft overhead reinforcing jacking method for construction of span box bridge of jacking block of underpass turnout group of railway | |
| CN206538637U (en) | A kind of track strengthening device for existing railway | |
| CN106192620B (en) | A kind of railway ballastless track supporting layer and substructure change method | |
| KR100891961B1 (en) | The construction infrastructure the use road the martial art as a matter of bridge of the bridge which is old in the railroad or the railroad respects the induction event a method of construction which shifts the bridge and the system | |
| CN103437254A (en) | Reinforcing device for railway turnout area circuit during jacking for frame bridge | |
| CN102758387A (en) | Reinforcing construction method for H-shaped steel line | |
| CN216514886U (en) | Line reinforcing device for existing railway | |
| KR101399839B1 (en) | Transition track structure of railway bridge deck end and Construction method | |
| CN106592449A (en) | D-shaped beam reinforced existing double-railway line structure and construction method thereof | |
| CN111705682B (en) | Construction method and equipment for dismantling and reconstructing upper structure of widening bridge across electrified railway | |
| CN204343153U (en) | Multiplex sequential production just girder construction | |
| CN210174677U (en) | Hard crossing for changing electrified railway into moving | |
| CN108342980B (en) | Railway suspension bridge upper bearing type steel truss bridge deck structure | |
| CN216839075U (en) | Pass railway box culvert reinforced structure under bevel | |
| CN107642032B (en) | A kind of just beam limiting device and its construction method | |
| CN217324965U (en) | Face track laying base bridge that combines forever | |
| CN114318967B (en) | Tooth rail connecting system for ballastless track of heavy-gradient simply-supported bridge | |
| CN110219250A (en) | The continuous combined overhead beam of multilayer | |
| RU2352705C1 (en) | Method for installation of permanent way | |
| CN215104790U (en) | Reinforced structure for existing railway underpass frame bridge construction | |
| CN209759904U (en) | integral broken line overhead device for small radius curve railway | |
| CN203440720U (en) | Line reinforcing device of railway turnout area in frame bridge jacking | |
| CN113293657A (en) | Tram steel longeron track structure that municipal administration pipeline exempted from to tear open and changes into easy maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |