Integral temporary steel bridge

Abstract

The utility model relates to the technical field of fabricated buildings, in particular to an integral temporary steel bridge which comprises a base assembly arranged at the bottom of a riverbed, a supporting assembly connected with the two sides of the riverbed is arranged on the base assembly, and a bridge deck assembly is arranged on the supporting assembly. According to the integral temporary steel bridge, the clamping design of an original assembly type temporary steel bridge is changed, the bridge body is welded and connected in advance after the structure of the bridge body is simplified, the integrity of the temporary steel bridge is enhanced, and the requirement for large actual use load when the assembly type bridge is built on a temporary passing river channel is met; drainage holes are formed in the bridge floor in advance, the drainage effect of the bridge is improved, and the surface of the bridge body is prevented from being submerged by riverway water level rising; workers can arrange the guardrails on the bridge body according to actual needs, the bridge floor fixing steel is arranged, reinforced connection of the bridge floor is facilitated, the mounting vacancies are reserved in the bridge floor fixing steel to facilitate mounting of the guardrails in the later period, and the situation that the guardrails are welded in advance, and consequently the integral temporary steel bridge is inconvenient to transport is avoided.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated building technology, and in particular to an integral steel temporary bridge. Background Technology

[0002] A steel temporary bridge is a temporary bridge made of steel with a main load-bearing structure that is not disassembled as a whole. It sacrifices quick assembly, disassembly, reuse, and transportation convenience in exchange for higher overall rigidity, stability, and load-bearing capacity. It is suitable for temporary engineering projects with high requirements for bridge performance, relatively long service life, and low turnover needs.

[0003] Currently, the most common type of temporary steel bridge is the prefabricated Bailey bridge. However, when it comes to waterways that require temporary passage for extended periods, prefabricated bridges may not be able to meet the actual load requirements. Therefore, in order to meet transportation needs, integral steel temporary bridges have become a specific structural form of temporary steel bridges. Utility Model Content

[0004] This invention addresses the technical problem in the background art that the construction of prefabricated bridges on rivers requiring temporary passage over a long period of time may not meet the actual load requirements, and proposes an integral steel temporary bridge.

[0005] The technical solution of this utility model is as follows: An integral steel temporary bridge includes a base assembly set at the bottom of a riverbed, a support assembly connected to both sides of the riverbed on the base assembly, and a bridge deck assembly on the support assembly; the base assembly, the support assembly, and the bridge deck assembly are all made of steel structure; the support assembly consists of two sets of steel plates with an isosceles trapezoidal cross-section, the shorter top side of the isosceles trapezoidal steel plate is connected to the bridge deck assembly, and the longer base side of the isosceles trapezoidal steel plate is connected to the base assembly; the bridge deck assembly includes bridge deck fixing steel members set on the support assembly, and the bridge deck is set on the bridge deck fixing steel members.

[0006] As a preferred embodiment of the integral steel temporary bridge of this utility model, the base assembly includes a base set at the bottom of the riverbed; and steel plate support columns are provided on the base.

[0007] As a preferred embodiment of the integral steel temporary bridge of this utility model, a water collection trough is provided inside the base.

[0008] As a preferred embodiment of the integral steel temporary bridge of this utility model, the steel plate support column is provided with a positioning groove corresponding to the support component; the steel plate support column is welded to the support component.

[0009] As a preferred embodiment of the integral steel temporary bridge of this utility model, the bridge deck fixing steel is provided with a fixing groove corresponding to the bridge deck, and the bridge deck fixing steel is welded to the bridge deck.

[0010] As a preferred embodiment of the integral steel temporary bridge of this utility model, the bridge deck is provided with drainage holes, and drainage pipes are connected to the drainage holes.

[0011] As a preferred embodiment of the integral steel temporary bridge of this utility model, the bridge deck assembly is provided with an arched guardrail assembly, the arched guardrail assembly includes an arched base set on the fixed steel of the bridge deck and parallel to the traffic direction of the bridge deck, a protective pile is set on the arched base, and a reinforcing rod is set on the protective pile.

[0012] As a preferred embodiment of the integral steel temporary bridge of this utility model, a simple guardrail assembly is provided on the bridge deck component. The simple guardrail assembly includes a simple guardrail set on the fixed steel of the bridge deck and a handrail set on the simple guardrail.

[0013] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: This integral steel temporary bridge changes the snap-fit ​​design of the original prefabricated steel temporary bridge. After simplifying the structure of the bridge body, it is pre-welded and connected, which strengthens the integrity of the steel temporary bridge and meets the large actual load requirements of building prefabricated bridges on rivers for temporary passage; drainage holes are pre-opened on the bridge deck to improve the drainage effect of the bridge and prevent the bridge surface from being submerged when the river level rises; workers can install guardrails on the bridge body according to actual needs. The setting of fixed steel on the bridge deck not only facilitates the reinforcement connection of the bridge deck, but also leaves installation space on the fixed steel on the bridge deck to facilitate the later installation of guardrails, avoiding the inconvenience of transporting the integral steel temporary bridge due to pre-welding of guardrails. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of an embodiment of an integral steel temporary bridge according to the present invention.

[0015] Figure 2 This is an exploded view of one embodiment of an integral steel temporary bridge according to the present invention.

[0016] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0017] Figure 4 This is a schematic diagram of the structure of a second embodiment of an integral steel temporary bridge according to the present invention.

[0018] Figure 5 This is a structural schematic diagram of a third embodiment of an integral steel temporary bridge according to the present invention.

[0019] Reference numerals: 1. Base assembly; 11. Base; 111. Water collection trough; 12. Steel plate support column; 121. Positioning groove; 2. Support assembly; 211. Fixing groove; 3. Bridge deck assembly; 31. Bridge deck fixing steel; 32. Bridge deck; 322. Drainage hole; 33. Drainage pipe; 4. Arched guardrail assembly; 41. Arched base; 42. Protective pile; 43. Reinforcing bar; 5. Simple guardrail assembly; 51. Simple guardrail; 52. Handrail. Detailed Implementation

[0020] Example 1: As Figures 1-3 As shown in the figure, this embodiment proposes an integral steel temporary bridge, comprising a base assembly 1 set at the bottom of the riverbed, support assemblies 2 connected to both sides of the riverbed on the base assembly 1, and a bridge deck assembly 3 on the support assemblies 2; the base assembly 1, support assemblies 2, and bridge deck assembly 3 are all made of steel. This integral steel temporary bridge simplifies the pre-assembled bridge structure into three parts, and these parts are welded together according to user needs before leaving the factory, facilitating the direct installation of the bridge on the riverbed.

[0021] The support component 2 is configured as two sets of steel plates with an isosceles trapezoidal cross-section. The shorter top edge of the isosceles trapezoidal steel plate is connected to the bridge deck component 3, and the longer bottom edge of the isosceles trapezoidal steel plate is connected to the base component 1. The bridge deck component 3 includes a bridge deck fixing steel 31 set on the support component 2, and a bridge deck 32 is set on the bridge deck fixing steel 31.

[0022] Furthermore, the base assembly 1 includes a base 11 disposed at the bottom of the riverbed; a steel plate support column 12 is disposed on the base 11. A water collection trough 111 is disposed inside the base 11. The water collection trough 111 reduces the material used in the base 11, reduces the transportation difficulty of the integral steel temporary bridge, and uses riverbed silt to reinforce the base 11.

[0023] Furthermore, the steel plate support column 12 is provided with a positioning groove 121 corresponding to the support component 2; the steel plate support column 12 is welded to the support component 2. The bridge deck fixing steel 31 is provided with a fixing groove 211 corresponding to the bridge deck 32, and the bridge deck fixing steel 31 is welded to the bridge deck 32.

[0024] Furthermore, drainage holes 322 are provided on the bridge deck 32, and drainage pipes 33 are connected to the drainage holes 322 to prevent the bridge surface from being submerged when the river level rises.

[0025] In this embodiment, the integral steel temporary bridge changes the snap-fit ​​design of the original prefabricated steel temporary bridge. After simplifying the structure of the bridge body, it is pre-welded to strengthen the integrity of the steel temporary bridge. Drainage holes 322 are pre-drilled on the bridge deck to improve the drainage effect of the bridge and prevent the bridge surface from being submerged when the river level rises.

[0026] Example 2: Figures 1-4 As shown in the figure, the present embodiment proposes an integral steel temporary bridge, which includes a base assembly 1 set at the bottom of the riverbed, a support assembly 2 connected to both sides of the riverbed on the base assembly 1, and a bridge deck assembly 3 on the support assembly 2; the base assembly 1, the support assembly 2 and the bridge deck assembly 3 are all made of steel structure; the support assembly 2 is set as two sets of steel plates with an isosceles trapezoidal cross-section, the shorter top side of the isosceles trapezoidal steel plate is connected to the bridge deck assembly 3, and the longer bottom side of the isosceles trapezoidal steel plate is connected to the base assembly 1; the bridge deck assembly 3 includes a bridge deck fixing steel 31 set on the support assembly 2, and a bridge deck 32 is set on the bridge deck fixing steel 31.

[0027] Furthermore, an arched guardrail assembly 4 is provided on the bridge deck assembly 3. The arched guardrail assembly 4 includes an arched base 41 that is set on the fixed steel 31 of the bridge deck and is parallel to the traffic direction of the bridge deck. A protective pile 42 is provided on the arched base 41, and a reinforcing rod 43 is provided on the protective pile 42.

[0028] In this embodiment, workers can install arched guardrail components 4 on the bridge body according to actual needs. The setting of bridge deck fixing steel 31 not only facilitates the reinforcement connection of bridge deck 32, but also leaves installation space on the bridge deck fixing steel 31 to facilitate the later installation of guardrails, avoiding the inconvenience of transporting the integral steel temporary bridge due to pre-welding of guardrails.

[0029] Example 3: Figures 1-5 As shown in the figure, the present embodiment proposes an integral steel temporary bridge, which includes a base assembly 1 set at the bottom of the riverbed, a support assembly 2 connected to both sides of the riverbed on the base assembly 1, and a bridge deck assembly 3 on the support assembly 2; the base assembly 1, the support assembly 2 and the bridge deck assembly 3 are all made of steel structure; the support assembly 2 is set as two sets of steel plates with an isosceles trapezoidal cross-section, the shorter top side of the isosceles trapezoidal steel plate is connected to the bridge deck assembly 3, and the longer bottom side of the isosceles trapezoidal steel plate is connected to the base assembly 1; the bridge deck assembly 3 includes a bridge deck fixing steel 31 set on the support assembly 2, and a bridge deck 32 is set on the bridge deck fixing steel 31.

[0030] Furthermore, a simple guardrail assembly 5 is provided on the bridge deck component 3. The simple guardrail assembly 5 includes a simple guardrail 51 installed on the fixed steel material 31 of the bridge deck, and a handrail 52 installed on the simple guardrail 51.

[0031] In this embodiment, by setting up a simple guardrail assembly 5 on the bridge deck assembly 3, it is convenient for staff to improve the safety of the temporary steel bridge during daily passage. The simple guardrail assembly 5 and the bridge deck fixing steel 31 can be connected by snap-fit ​​and welded after installation, or they can be detached by bolt connection. While ensuring the integrity of the bridge body, guardrails can be installed according to actual use needs to facilitate the use of pedestrians.

[0032] It should be understood that the above-described specific embodiments of this utility model are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within the protection scope of this utility model. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A monolithic steel temporary bridge, characterized in that, The application relates to a bridge structure, which comprises a base assembly (1) arranged at the bottom of a riverbed, a support assembly (2) arranged on the base assembly (1) and connected with both sides of the riverbed, and a bridge deck assembly (3) arranged on the support assembly (2); the base assembly (1), the support assembly (2) and the bridge deck assembly (3) are all made of steel structures. The support assembly (2) is arranged in the form of two groups of isosceles trapezoidal steel plates, the shorter top edges of the isosceles trapezoidal steel plates are connected with the bridge deck assembly (3), and the longer bottom edges of the isosceles trapezoidal steel plates are connected with the base assembly (1). The bridge deck assembly (3) comprises bridge deck fixing steel materials (31) arranged on the support assembly (2), and a bridge deck (32) arranged on the bridge deck fixing steel materials (31).

2. The integral steel temporary bridge according to claim 1, characterized in that, The base assembly (1) comprises a base (11) arranged at the bottom of the riverbed, and a steel plate support column (12) arranged on the base (11).

3. A monolithic steel temporary bridge according to claim 2, characterized in that The base (11) is internally provided with a water collecting groove (111).

4. A monolithic steel temporary bridge according to claim 2 or 3, characterized in that The steel plate support column (12) is provided with positioning grooves (121) corresponding to the support assembly (2), and the steel plate support column (12) is welded with the support assembly (2).

5. A monolithic steel temporary bridge according to claim 4, characterized in that The bridge deck fixing steel materials (31) are provided with fixing grooves (211) corresponding to the bridge deck (32), and the bridge deck fixing steel materials (31) are welded with the bridge deck (32).

6. A monolithic steel temporary bridge according to claim 5, wherein The bridge deck (32) is provided with drainage holes (322), and drainage pipes (33) are connected with the drainage holes (322).

7. A monolithic steel temporary bridge according to claim 6, characterized in that The bridge deck assembly (3) is provided with an arched guardrail assembly (4), the arched guardrail assembly (4) comprises arched bases (41) arranged on the bridge deck fixing steel materials (31) and parallel to the bridge passing direction, the arched bases (41) are provided with guard piles (42), and the guard piles (42) are provided with reinforcing rods (43).

8. The integral steel bridge according to claim 6, wherein The bridge deck assembly (3) is provided with a simple guardrail assembly (5), the simple guardrail assembly (5) comprises simple guardrails (51) arranged on the bridge deck fixing steel materials (31), and handrails (52) arranged on the simple guardrails (51).

Images