CN214401470U - Railway bridge and culvert construction convenient beam - Google Patents
Railway bridge and culvert construction convenient beam Download PDFInfo
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- CN214401470U CN214401470U CN202120446596.3U CN202120446596U CN214401470U CN 214401470 U CN214401470 U CN 214401470U CN 202120446596 U CN202120446596 U CN 202120446596U CN 214401470 U CN214401470 U CN 214401470U
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Abstract
The utility model discloses a railway bridge and culvert construction temporary beam, which comprises a plurality of cross beams and two longitudinal beams, wherein the cross beam space is uniformly arranged below a steel rail and is fixedly connected with the steel rail through a II-type fastener, a nylon insulating pad is arranged between the II-type fastener and the steel rail, a rubber inclined base plate is arranged between the steel rail and the cross beam, two ends of the cross beam are respectively fixedly connected with the two longitudinal beams through a connecting plate and a bracket, two inclined rods are connected between two adjacent cross beams, the two inclined rods and the cross beam are in 45-degree reverse connection, and the inclined rods between the seven adjacent cross beams form a cross structure from the outermost side; the longitudinal beam is vertically fixed on the ground through the support, and the connecting modes of the cross beam and the longitudinal beam as well as the inclined rod and the cross beam are all fixedly connected through bolts. The utility model discloses all connecting elements do not have welded structure through refined bolted connection, are convenient for transport and dismouting, have saved the cost of transportation greatly, and easy dismounting is swift, has saved construction cost.
Description
Technical Field
The utility model belongs to the technical field of the railway engineering construction, concretely relates to railway bridge and culvert construction is roof beam just.
Background
At present, railway lines run busily, the infrastructure of China is dense, in the bridge and culvert construction under railway lines, construction workers adopt various construction methods for not influencing the line running, but the normal running of the lines is ensured, so that great influence is brought to the construction difficulty and the construction progress, for railway bridges and culverts with short construction periods, erection of construction temporary beams becomes the choice of a plurality of construction units, but the existing construction temporary beams are not beneficial to transportation and disassembly, the construction cost is high, the difficulty is high, and the construction periods are relatively short.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a dismouting of being convenient for, with low costs, construction period is short to carry out the just roof beam of construction of railway bridge and culvert construction under the condition of uninterrupted driving.
In order to solve the above problems, the utility model adopts the following technical proposal:
a railway bridge and culvert construction temporary beam comprises a plurality of cross beams and two longitudinal beams, wherein the cross beams are uniformly arranged below a steel rail at intervals and are fixedly connected with the steel rail through II-shaped fasteners, nylon insulation pads are arranged between the II-shaped fasteners and the steel rail, rubber inclined base plates are arranged between the steel rail and the cross beams, two ends of each cross beam are fixedly connected with the two longitudinal beams through connecting plates and brackets respectively, two inclined rods are connected between every two adjacent cross beams, the two inclined rods are reversely connected with the cross beams at an angle of 45 degrees, and the inclined rods between every two adjacent cross beams form a cross structure; the longitudinal beam is vertically fixed on the ground through the support, and the connecting modes of the cross beam and the longitudinal beam as well as the inclined rod and the cross beam are all fixedly connected through bolts.
Preferably, the upper end face of the joint of the cross beam and the longitudinal beam is connected with the longitudinal beam through a bracket, the side face of the joint of the cross beam and the longitudinal beam is connected with the longitudinal beam through a connecting plate, and the connecting mode is bolt connection. The lower end face of the joint of the cross beam and the longitudinal beam is connected with the longitudinal beam through a bracket.
Furthermore, a rubber pad is arranged between the longitudinal beam and the support.
Furthermore, the bottom surfaces of the outer sides of the two steel rails on the cross beam are symmetrically provided with slag blocking plates.
Furthermore, the diagonal rods are connected with the cross beam through gusset plates.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model discloses an even setting and being fixed in the crossbeam of rail below and the longeron of fixed connection crossbeam form firm bearing structure, make things convenient for the construction in railway below bridge or tunnel, the utility model discloses all connecting elements do not have welded structure through refined bolted connection, are convenient for transport and dismouting, have saved the cost of transportation greatly, and easy dismounting is swift, has saved construction cost.
Drawings
Fig. 1 is a schematic plan view of embodiment 1 of the present invention;
FIG. 2 is a schematic sectional view of embodiment 1 of the present invention;
fig. 3 is a schematic plan view of embodiment 2 of the present invention;
fig. 4 is a schematic sectional structure diagram of embodiment 2 of the present invention;
fig. 5 is a schematic plan view of embodiment 3 of the present invention;
fig. 6 is a schematic sectional structure diagram of embodiment 3 of the present invention;
fig. 7 is a schematic plan view of embodiment 4 of the present invention;
fig. 8 is a schematic sectional structure diagram of embodiment 4 of the present invention;
fig. 9 is an enlarged schematic view of the connection structure of the steel rail and the beam of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings:
the utility model relates to a railway bridge and culvert construction temporary beam, as shown in figure 1, figure 2 and figure 9, the utility model discloses a temporary beam includes many crossbeams 1 and two longerons 2, wherein the crossbeam interval evenly sets up in rail 8 below, and through II type fastener 10 and rail fixed connection, be equipped with nylon insulation pad 9 between II type fastener and the rail, be equipped with rubber tie plate 11 between rail and the crossbeam, the crossbeam both ends are respectively through connecting plate 5 and bracket 4 and two longeron fixed connection, connect two down tubes 3 between two adjacent crossbeams, two down tubes and crossbeam are 45 degrees angle reverse connection, the down tubes between seven adjacent crossbeams form cross structure from the outermost side, form firm triangle-shaped structure between crossbeam and the down tube, overall structure is stable; the longitudinal beam is vertically fixed on the ground through a support 6, and the connecting modes of the cross beam and the longitudinal beam as well as the inclined rod and the cross beam are all fixedly connected through bolts.
For guaranteeing that overall structure is more stable, the crossbeam passes through the bracket with the longeron junction up end and is connected, the crossbeam passes through the connecting plate with the longeron junction side and is connected with the longeron, the crossbeam passes through the bracket with the longeron junction lower extreme face and is connected with the longeron, and the connected mode is bolted connection, and the bolt adopts accurate bolt.
In order to prevent the influence of construction on the railway operation, the bottom surfaces of the outer sides of the two steel rails on the cross beam are symmetrically provided with slag baffles 7.
Above is the utility model discloses an embodiment 1 is applicable to standard span 12.06 meters, single line, double-line (the line spacing is greater than 4.27 meters), straight line, curve (curve radius less than or equal to 400 meters) circuit, and the line rail is not lighter than 43 kilograms/meter, and the construction highway section speed limit is no longer than 60 kilometers/hour. The construction beam consists of 2 longitudinal beams, 19 cross beams, brackets, connecting plates, slag blocking plates, II-type fasteners, inclined rods, nylon insulating pads, rubber inclined base plates and other members.
The utility model discloses an embodiment 2 (see fig. 3 and 4) is the same basically with embodiment 1, is applicable to standard span 16.08 meters, single line, double-line (the line interval is greater than 4.21 meters), straight line, curve (curve radius less than or equal to 400 meters) circuit, and the line rail is not lighter than 43 kilograms/meter, and the construction section speed limit is no longer than 60 kilometers per hour. The construction beam consists of 2 longitudinal beams, 25 cross beams, brackets, connecting plates, slag blocking plates, II-type fasteners, inclined rods, nylon insulating pads, rubber inclined base plates and other members.
The embodiment 3 of the utility model (see fig. 5 and 6) compares base connection structure with the embodiment and changes, and crossbeam and down tube connection change, specifically are: in order to ensure that the whole structure has better buffer property when a train passes through, a rubber pad 12 is arranged between the longitudinal beam and the support, and the longitudinal beam is connected with the side surface of the support through a baffle angle 13 without instability. For a more stable connection, the diagonal rods are connected to the cross beams by gusset plates 14.
The method is suitable for the lines with the standard span of 20.1 meters, single-line, double-line (the line spacing is more than 4.21 meters), straight line and curve (the curve radius is less than or equal to 400 meters), the steel rail of the line is not lighter than 43 kilograms per meter, and the speed limit of a construction road section is not more than 60 kilometers per hour. The construction beam consists of 2 longitudinal beams, 31 cross beams, brackets, connecting plates, slag blocking plates, II-type fasteners, inclined rods, node plates, nylon insulating pads, rubber inclined base plates, rubber pads, supports, blocking corners and other components, wherein the rubber base plates are made of chloroprene rubber.
The utility model discloses an embodiment 4 (see fig. 7 and 8) and embodiment 3 are the same basically, are applicable to standard span 24.12 meters, single line, double-line (the line interval is greater than 4.51 meters), straight line, curve (curve radius less than or equal to 400 meters) circuit, and the line rail is not lighter than 43 kilograms/meter, and the construction section speed limit is no longer than 60 kilometers per hour. The construction beam consists of 2 longitudinal beams, 37 cross beams, brackets, connecting plates, slag blocking plates, II-type fasteners, inclined rods, node plates, nylon insulating pads, rubber inclined base plates, rubber pads, supports, blocking corners and other components, wherein the rubber pads are made of plate-type chloroprene rubber.
Claims (6)
1. The utility model provides a railway bridge and culvert construction is roof beam just, its characterized in that: the steel rail comprises a plurality of cross beams (1) and two longitudinal beams (2), wherein the cross beams are uniformly arranged below a steel rail (8) at intervals and fixedly connected with the steel rail through II-shaped fasteners (10), nylon insulating pads (9) are arranged between the II-shaped fasteners and the steel rail, rubber inclined base plates (11) are arranged between the steel rail and the cross beams, two ends of each cross beam are fixedly connected with the two longitudinal beams through connecting plates (5) and brackets (4), two inclined rods (3) are connected between every two adjacent cross beams, the two inclined rods are reversely connected with the cross beams at an angle of 45 degrees, and the inclined rods between every two adjacent cross beams form a cross structure from the outermost side; the longitudinal beam is vertically fixed on the ground through a support (6), and the cross beam and the longitudinal beam are fixedly connected with each other through bolts and the inclined rod and the cross beam are fixedly connected with each other through bolts.
2. The railway bridge and culvert construction temporary beam of claim 1, wherein: the upper end face of the joint of the cross beam and the longitudinal beam is connected with the longitudinal beam through a bracket, the side face of the joint of the cross beam and the longitudinal beam is connected with the longitudinal beam through a connecting plate, and the connecting mode is bolt connection.
3. The railway bridge and culvert construction temporary beam of claim 2, wherein: the lower end face of the joint of the cross beam and the longitudinal beam is connected with the longitudinal beam through a bracket.
4. The railway bridge and culvert construction temporary beam as claimed in any one of claims 1-3, wherein: and a rubber pad (12) is arranged between the longitudinal beam and the support.
5. The railway bridge and culvert construction temporary beam as claimed in any one of claims 1-3, wherein: and the bottom surfaces of the outer sides of the two steel rails on the cross beam are symmetrically provided with slag blocking plates (7).
6. The railway bridge and culvert construction temporary beam as claimed in any one of claims 1-3, wherein: the diagonal rods are connected with the cross beam through gusset plates (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446596.3U CN214401470U (en) | 2021-03-02 | 2021-03-02 | Railway bridge and culvert construction convenient beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120446596.3U CN214401470U (en) | 2021-03-02 | 2021-03-02 | Railway bridge and culvert construction convenient beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214401470U true CN214401470U (en) | 2021-10-15 |
Family
ID=78026827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120446596.3U Active CN214401470U (en) | 2021-03-02 | 2021-03-02 | Railway bridge and culvert construction convenient beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214401470U (en) |
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2021
- 2021-03-02 CN CN202120446596.3U patent/CN214401470U/en active Active
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