Steel structure trestle with rapid drainage structure

Abstract

The utility model discloses a steel structure trestle with a quick drainage structure, which comprises support legs and a frame, the support legs are supported on two sides of a canal surface, the top ends of the support legs are fixedly connected with the frame, a bridge floor is transversely fixed at the bottom end of the frame, two sides of the bottom end of the bridge floor are fixedly connected with fixing seats, one side of each fixing seat is provided with a hinge seat, and the hinge seats are fixedly connected with the bridge floor. An anti-falling plate is hinged to the hinge seat, a movable hole is formed in the anti-falling plate, a shaft groove is welded to the middle of the bottom end of the bridge floor, and a rotating shaft is movably assembled in the shaft groove. According to the steel structure trestle with the rapid drainage structure, the fixing base is arranged, and the two sets of anti-falling plates capable of being oppositely opened are arranged at the bottom end of the trestle surface, so that when rainwater accumulates or the water level in a river channel rises, the anti-falling plates can be opened, it is guaranteed that no rainwater accumulates on the trestle surface, the rapid drainage function is provided, and passing safety and reliability are guaranteed; the problem of water accumulation of the trestle in severe weather is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure trestle technical field, concretely is a kind of steel structure trestle with quick drainage structure. BACKGROUND

[0002] Steel structure trestle is a kind of common building structure for bridge or viaduct, usually has higher bearing capacity and longer service life, however, in flood season or rainy season, it is easy to form waterlogging on bridge deck. This waterlogging phenomenon not only affects the traffic safety of bridge deck, but also can cause corrosion and damage of bridge deck steel structure, thereby shortening the service life of trestle. The common steel structure trestle on the market usually lacks effective drainage structure, which makes the trestle face serious waterlogging problem when it rains heavily or the water level of river rises, and long-term waterlogging can also cause the bridge deck to skid, increasing the risk of traffic.

[0003] Therefore, a steel structure trestle with quick drainage structure is needed to solve the above technical defects. SUMMARY

[0004] The utility model aims at providing a kind of steel structure trestle with quick drainage structure to solve the problem of waterlogging on bridge deck in flood season or rainy season as proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of steel structure trestle with quick drainage structure, including support and frame, the support is supported on the two sides of channel surface, the top end of the support is fixedly connected with frame, the bottom end of the frame is transversely fixed with bridge deck, the bottom end of the bridge deck is fixedly connected with fixed seat on both sides, the fixed seat is installed with hinged seat on one side, the hinged seat is hinged with anti-falling plate, the anti-falling plate is provided with movable hole, the bottom end of the bridge deck is welded with shaft groove in middle position, the shaft groove is movably assembled with rotating shaft, the rotating shaft is fixedly sleeved with shaft sleeve on both ends, the shaft sleeve end is provided with a slot hole, the rotating shaft and anti-falling plate are respectively hung with steel cable.

[0006] Preferably, the anti-falling plate is provided with two groups, and the steel cable is wound in opposite directions at the two groups of shaft sleeves of the anti-falling plate.

[0007] Preferably, the bottom end of the bridge deck is provided with a bottom groove near the shaft groove, the bottom groove is provided with a fixed hole, the anti-falling plate is provided with a movable hole, and the movable hole and the fixed hole are inserted with a lock pin.

[0008] Preferably, the length of the lock pin is greater than one-half the width of the anti-falling plate, and the lock pin is "L" shaped.

[0009] Preferably, the bridge deck is provided with a mesh plate, and the anti-falling plate is located below the mesh plate.

[0010] Preferably, multiple vertical frames are supported inside the frame. Reinforcing ribs are fixedly connected between the vertical frames, and the reinforcing ribs are in a "rice" character structure.

[0011] Preferably, protective doors are respectively installed on the leftmost and rightmost sides of the vertical frame.

[0012] Preferably, a warning reflective sign is arranged above the protective door, and the warning reflective sign is fixed on the top of the frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The steel structure trestle with a rapid drainage structure not only realizes the rapid drainage function, increases the bottom support force for the trestle, but also ensures the safety of passage.

[0014] By providing a fixed seat, a hinge seat, a falling prevention plate, a bottom groove, a steel cable, a rotating shaft, a single-slot pin hole, a movable hole, a shaft groove, a fixed hole, a bridge deck, a shaft sleeve, and a locking pin, two groups of falling prevention plates that can be opened oppositely are arranged at the bottom end of the bridge deck of the trestle. When the falling prevention plates are horizontally fixed at the bottom end of the bridge deck, four locking pins are inserted into the fixed holes from the movable holes to fix the falling prevention plates at the bottom end of the bridge deck. After removing the locking pins, tools such as a single-slot pin are inserted into the single-slot pin hole of the rotating shaft and continuously rotated, thereby continuously unwinding two steel cables to unfold the suspended falling prevention plates. When rainwater accumulates or the water level in the river channel rises, the falling prevention plates can be opened to ensure that there is no rainwater accumulation on the bridge deck, providing a rapid drainage function, solving the problem of water accumulation on the trestle in bad weather, and ensuring the safety and reliability of passage.

[0015] By providing vertical frames, reinforcing ribs, and falling prevention plates, the trestle is made of steel structure. A "rice" character structure of reinforcing rib grooves is used between multiple vertical frames to increase the structural stability. During the non-flood season, two groups of falling prevention plates support at the bottom end of the bridge deck, increasing the bottom support force for the trestle, further enhancing the bearing capacity of the trestle, and at the same time improving the wind resistance and seismic performance.

[0016] By providing protective doors and warning reflective signs, protective doors are arranged on both the left and right sides of the trestle, which can not only effectively restrict unauthorized personnel from entering the trestle area but also be quickly opened when necessary to facilitate the orderly passage of pedestrians. Warning messages can be posted at the warning reflective signs to facilitate reminding pedestrians to pay attention to safety at night or in low visibility conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a front sectional structure schematic diagram of the present utility model; <关于本实用新型的防坠板仰视结构示意图;

[0018] Figure 2 is a bottom view structure schematic diagram of the falling prevention plate of the present utility model;

[0019] Figure 3The utility model discloses a falling prevention plate front view structure schematic diagram.

[0020] Figure 4 The utility model discloses a protective door side view structure schematic diagram.

[0021] In the drawing: 1, foot; 2, frame; 3, reinforcing rib; 4, vertical frame; 5, fixed seat; 6, hinged seat; 7, falling prevention plate; 8, bottom groove; 9, steel cable; 10, rotating shaft; 11, one character pin hole; 12, movable hole; 13, shaft groove; 14, fixed hole; 15, bridge deck; 16, shaft sleeve; 17, lock pin; 18, net plate; 19, warning reflective sign; 20, protective door. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Embodiment 1: please refer to Figures 1-4 A steel structure trestle with quick drainage structure, including foot 1 and frame 2, foot 1 is supported to the two sides of the channel, and the top end of foot 1 is fixedly connected with frame 2, and the bottom end of frame 2 is fixedly connected with bridge deck 15, and the bottom end of bridge deck 15 is fixedly connected with fixed seat 5 on both sides, and the one side of fixed seat 5 is installed with hinged seat 6, and the hinged seat 6 is hinged with falling prevention plate 7, and the inside of falling prevention plate 7 is provided with movable hole 12, and the bottom end of bridge deck 15 is welded with shaft groove 13 in the middle position, and rotating shaft 10 is movably assembled in shaft groove 13, and the front and rear ends of rotating shaft 10 are fixedly sleeved with shaft sleeve 16, and one character pin hole 11 is formed in the end of shaft sleeve 16, and steel cable 9 is hung between rotating shaft 10 and falling prevention plate 7, and falling prevention plate 7 is provided with two groups, and the winding directions of steel cable 9 at the two groups of shaft sleeves 16 of falling prevention plate 7 are opposite, and bottom groove 8 is arranged at the position close to shaft groove 13 at the bottom end of bridge deck 15, and fixed hole 14 is formed in bottom groove 8, and movable hole 12 is formed in falling prevention plate 7, and lock pin 17 can be inserted in movable hole 12 and fixed hole 14, and the length of lock pin 17 is greater than one half width of falling prevention plate 7, and lock pin 17 is "L" type, and net plate 18 is arranged in bridge deck 15.

[0024] Specifically, as Figure 1 , Figure 2 and Figure 3As shown, the trestle bridge has two sets of anti-fall plates 7 that can be opened in opposite directions at the bottom of the bridge deck 15. When the anti-fall plate 7 is horizontally fixed at the bottom of the bridge deck 15, four sets of locking pins 17 are inserted into the fixing holes 14 through the movable holes 12 to fix the anti-fall plate 7 at the bottom of the bridge deck 15. After removing the locking pins 17, tools such as flat pins are inserted into the flat pin holes 11 of the rotating shaft 10 and rotated continuously, thereby driving the two sets of steel cables 9 to be unwound continuously, unfolding the suspended anti-fall plate 7. When rainwater accumulates or the water level in the river rises, the anti-fall plate 7 can be opened to ensure that there is no rainwater accumulation on the bridge deck 15 and to provide a rapid drainage function.

[0025] Example 2: The fall arrestor 7 is located below the mesh plate 18. The frame 2 has multiple sets of vertical supports 4 inside, and the vertical supports 4 are fixedly connected with reinforcing ribs 3. The reinforcing ribs 3 have a "rice" structure.

[0026] Specifically, such as Figure 1 and Figure 2 As shown, the trestle bridge is made of steel, and multiple sets of vertical frames 4 use a "rice" shaped structure with reinforcing ribs 3 to increase structural stability. During the non-flood season, two sets of anti-fall plates 7 are supported at the bottom of the bridge deck 15 to increase the bottom support of the trestle bridge.

[0027] Example 3: Protective doors 20 are installed on the leftmost and rightmost sides of the vertical frame 4, and a warning reflective sign 19 is set above the protective door 20. The warning reflective sign 19 is fixed to the top of the frame 2.

[0028] Specifically, such as Figure 1 and Figure 4 As shown, protective gates 20 are installed on both sides of the pier, which can not only effectively restrict unauthorized personnel from entering the pier area, but also can be opened quickly when necessary to facilitate orderly passage of pedestrians. Warning signs can be posted at the warning reflective signs 19 to remind pedestrians to pay attention to safety at night or in low visibility conditions.

[0029] Working principle: the trestle is provided with two groups of opposite openable anti-falling plates 7 at the bottom end of the bridge deck 15, when the anti-falling plates 7 are horizontally fixed at the bottom end of the bridge deck 15, four groups of locking pins 17 are inserted into the fixing holes 14 from the movable holes 12, so that the anti-falling plates 7 are fixed at the bottom end of the bridge deck 15, after the locking pins 17 are removed, a tool such as a flat pin is inserted into the flat pin hole 11 of the rotating shaft 10, and is continuously rotated, so as to continuously release the two groups of steel ropes 9, and unfold the suspended anti-falling plates 7, when rainwater accumulates or the water level in the river rises, the anti-falling plates 7 can be opened, so as to ensure that the bridge deck 15 will not have rainwater accumulation, and provide the function of rapid drainage, solve the problem of water accumulation of the trestle in bad weather, the trestle is provided with protective doors 20 on the left and right sides, which not only can effectively limit unauthorized personnel from entering the trestle area, but also can be quickly opened when necessary, and facilitate the orderly passage of pedestrians, warning words can be pasted at the warning reflector 19, so as to remind pedestrians to pay attention to safety in the case of night or low visibility, the trestle adopts steel structure, and the "meter" structure of the reinforcing rib 3 type slot is used between the groups of vertical frames 4, so as to increase the structural stability, in the non-flood season, the two groups of anti-falling plates 7 are supported at the bottom end of the bridge deck 15, so as to increase the bottom supporting force of the trestle.

[0030] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A steel structure trestle bridge with a rapid drainage structure, comprising legs (1) and a frame (2), characterized in that: The supporting feet (1) are supported on both sides of the canal surface. The top end of the supporting feet (1) is fixedly connected with a frame (2). The bottom end of the frame (2) is horizontally fixed with a bridge deck (15). Both sides of the bottom end of the bridge deck (15) are fixedly connected with fixed seats (5). A hinge seat (6) is installed on one side of each fixed seat (5). A fall-prevention plate (7) is hinged at the hinge seat (6). An activity hole (12) is formed in the fall-prevention plate (7). A shaft groove (13) is welded at the middle position of the bottom end of the bridge deck (15). A rotating shaft (10) is movably assembled in the shaft groove (13). Shaft sleeves (16) are fixedly sleeved at both the front and rear ends of the rotating shaft (10). A split pin hole (11) is formed at the end of the shaft sleeve (16). Steel cables (9) are respectively hung between the rotating shaft (10) and the fall-prevention plate (7).

2. A steel structure trestle bridge with a rapid drainage structure according to claim 1, characterized in that: There are two groups of the fall-prevention plates (7), and the winding directions of the steel cables (9) at the two groups of shaft sleeves (16) of the fall-prevention plates (7) are opposite.

3. A steel structure trestle bridge with a rapid drainage structure according to claim 1, characterized in that: A bottom groove (8) is arranged at a position close to the shaft groove (13) at the bottom end of the bridge deck (15). A fixing hole (14) is formed in the bottom groove (8). An activity hole (12) is formed in the fall-prevention plate (7). A locking pin (17) can be inserted into the activity hole (12) and the fixing hole (14).

4. A steel structure trestle bridge with a rapid drainage structure according to claim 3, characterized in that: The length of the locking pin (17) is greater than half of the width of the fall-prevention plate (7), and the locking pin (17) is in an "L" shape.

5. A steel structure trestle bridge with a rapid drainage structure according to claim 1, characterized in that: A mesh plate (18) is arranged in the bridge deck (15), and the fall-prevention plate (7) is located below the mesh plate (18).

6. A steel structure trestle bridge with a rapid drainage structure according to claim 1, characterized in that: Multiple vertical frames (4) are vertically supported inside the frame (2). A reinforcing rib (3) is fixedly connected between the vertical frames (4), and the reinforcing rib (3) is in a "rice" character structure.

7. A steel structure trestle bridge with a rapid drainage structure according to claim 6, characterized in that: A protective door (20) is respectively installed at the leftmost side and the rightmost side of the vertical frame (4).

8. A steel structure trestle bridge with a rapid drainage structure according to claim 7, characterized in that: A warning reflective sign (19) is arranged above the protective door (20), and the warning reflective sign (19) is fixed on the top of the frame (2).

Images