CN214783247U

CN214783247U - Drainage structures for public road bridge roof beam

Info

Publication number: CN214783247U
Application number: CN202022793941.9U
Authority: CN
Inventors: 孙荣河
Original assignee: Xinjiang Sanli Construction Co ltd
Current assignee: Xinjiang Sanli Construction Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-11-19
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a drainage structures for public road bridge roof beam relates to building drainage technical field. This drainage structures for public road bridge roof beam includes the drain pipe, the drain pipe top is provided with tee bend atmospheric pressure storehouse, tee bend atmospheric pressure storehouse inner wall and first piston, second piston and third piston connection, first piston top fixedly connected with reset spring, reset spring top and tee bend atmospheric pressure storehouse inner wall fixed connection, the welding of second piston right side has the push rod, push rod right-hand member fixed mounting has the transfer line. This drainage structures for public road bridge roof beam, after the inside jam of drain pipe, the inside water pressure increase of drain pipe, first piston moves up under the water pressure effect, and under the effect in tee bend atmospheric pressure storehouse, the second piston drives the movable sleeve and moves to the right, and the third piston drives the pivot and rotates, and movable sleeve and pivot are dredged the inside of drain pipe through first toper ejector pad and second toper ejector pad respectively to reach the automatic function of preventing blockking up.

Description

Drainage structures for public road bridge roof beam

Technical Field

The utility model relates to a building drainage technical field specifically is a drainage structures for public road bridge roof beam.

Background

Along with the development of the times, the living standard of people is continuously improved, the waterproof function of the bridge deck is not considered yet at the initial stage of large-scale development of urban roads and bridges, practices prove that the influence of bridge deck seepage water on the safety and durability of reinforced concrete bridges is great, particularly, the seepage of salt water thawed in winter can form great threat to steel wire bundles with negative bending moment structures and prestress, at present, the bridge deck waterproof is greatly developed, more accumulation is technically achieved, and the bridge deck is mature day by day, but new problems are continuously generated in engineering, accidents such as the bulging and the breakage of the waterproof layer continuously occur, besides the waterproof layer is arranged on the bridge deck, the mutual cooperation of bridge deck drainage is required, the water accumulation of the bridge deck is avoided, and the drainage of the common bridge deck is realized by arranging a drainage structure and discharging water out of the bridge deck through a drainage outlet of the drainage structure, so that the bridge deck is kept dry.

However, in the existing road bridge drainage process, part of impurities doped in water can be accumulated inside the drainage pipeline, and the inside of the drainage pipeline can be blocked after long-term use, so that the drainage process can be greatly influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a drainage structures for public road bridge roof beam has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a drainage structure for highway bridges comprises a drainage pipe, wherein a three-way air pressure bin is arranged at the top of the drainage pipe, the inner wall of the three-way air pressure bin is connected with a first piston, a second piston and a third piston, a reset spring is fixedly connected to the top of the first piston, the top end of the reset spring is fixedly connected with the inner wall of the three-way air pressure bin, a push rod is welded on the right side of the second piston, a transmission rod is fixedly mounted at the right end of the push rod, the bottom end of the transmission rod penetrates through a movable groove formed in the surface of the drainage pipe and is fixedly connected with the outer wall of a movable sleeve, the outer wall of the movable sleeve is tightly attached to the inner wall of the drainage pipe, a plurality of first conical push blocks are fixedly connected to the inner wall of the movable sleeve, a rack rod is fixedly mounted at the bottom of the third piston, the bottom end of the rack rod is meshed with a gear, the center of the gear is penetrated through a rotating shaft and is fixedly connected with the rotating shaft, the left end of the rotating shaft is rotatably mounted inside the drainage pipe, the right end of the rotating shaft is arranged inside the movable sleeve, and a plurality of second conical push blocks are fixedly connected to the bottom of the rotating shaft.

Preferably, the inner wall of the return spring is sleeved with a positioning column, and the bottom of the positioning column is fixedly installed at the top of the first piston.

Preferably, three-way atmospheric pressure storehouse inner wall fixed mounting has first stopper, the quantity of first stopper is two, and two first stoppers symmetry set up at push rod top and bottom.

Preferably, tee bend atmospheric pressure storehouse inner wall fixed mounting has the second stopper, the quantity of second stopper is two, and two second stoppers symmetry set up on rack bar left side and right side.

Preferably, an air vent is formed in the left side of the three-way air pressure bin, and the air vent is located at the bottom of the second limiting block.

Preferably, the distance between every two adjacent first tapered push blocks is greater than the distance from the right side of the second piston to the left side of the first limiting block, and the distance between every two adjacent second tapered push blocks is equal to the distance between every two adjacent first tapered push blocks.

(III) advantageous effects

The utility model provides a drainage structures for public road bridge roof beam. The method has the following beneficial effects:

(1) this drainage structures for public road bridge roof beam, after the inside jam of drain pipe, the inside water pressure increase of drain pipe, first piston moves up under the water pressure effect, and under the effect in tee bend atmospheric pressure storehouse, the second piston drives the movable sleeve and moves to the right, and the third piston drives the pivot and rotates, and movable sleeve and pivot are dredged the inside of drain pipe through first toper ejector pad and second toper ejector pad respectively to reach the automatic function of preventing blockking up.

(2) This drainage structures for public road bridge roof beam, reference column can restrict the displacement of first piston, prevent that first piston displacement is too big and lead to first piston to break away from tee bend atmospheric pressure storehouse inner wall, have improved the overall stability of this structure.

Drawings

FIG. 1 is a schematic view of the internal structure of the main body of the present invention;

FIG. 2 is an external view of the main body of the present invention;

fig. 3 is a top view of the main body of the present invention.

In the figure: the device comprises a water drainage pipe 1, a three-way air pressure bin 2, a first piston 21, a second piston 22, a third piston 23, a return spring 24, a 241 positioning column, a first limiting block 25, a second limiting block 26, an air vent 27, a push rod 3, a transmission rod 4, a movable sleeve 5, a first conical push block 51, a rack rod 6, a gear 7, a rotating shaft 8 and a second conical push block 81.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drainage structure for a highway bridge comprises a drainage pipe 1, wherein a three-way air pressure bin 2 is arranged at the top of the drainage pipe 1, the inner wall of the three-way air pressure bin 2 is connected with a first piston 21, a second piston 22 and a third piston 23 in a piston mode, a reset spring 24 is fixedly connected to the top of the first piston 21, the top end of the reset spring 24 is fixedly connected with the inner wall of the three-way air pressure bin 2, a push rod 3 is welded to the right side of the second piston 22, a transmission rod 4 is fixedly installed at the right end of the push rod 3, the bottom end of the transmission rod 4 penetrates through a movable groove 11 formed in the surface of the drainage pipe 1 and is fixedly connected with the outer wall of a movable sleeve 5, the outer wall of the movable sleeve 5 is tightly attached to the inner wall of the drainage pipe 1, a plurality of first conical push blocks 51 are fixedly connected to the inner wall of the movable sleeve 5, a rack rod 6 is fixedly installed at the bottom of the third piston 23, the bottom end of the rack rod 6 is engaged with a gear 7, the center of the gear 7 is penetrated by a rotating shaft 8 and is fixedly connected with the rotating

shaft

8, 8 left ends of pivot are rotated and are installed inside

drain pipe

1, 8 right-hand members in pivot set 5 insidely, 8 bottom fixedly connected with a plurality of second toper ejector pad 81 in pivot, after 1 inside jam of drain pipe, the increase of the inside water pressure of drain pipe 1, first piston 21 moves up under the water pressure effect, under the effect in tee bend atmospheric pressure storehouse 2, second piston 22 drives 5 right sides of movable sleeve and moves, third piston 23 drives pivot 8 and rotates, movable sleeve 5 and pivot 8 dredge 1 inside drain pipe through first toper ejector pad 51 and second toper ejector pad 81 respectively, in order to reach the automatic function of preventing blockking up.

Preferably, in this embodiment, the inner wall of the return spring 24 is sleeved with the positioning column 241, the bottom of the positioning column 241 is fixedly installed at the top of the first piston 21, and the positioning column 241 can limit the moving distance of the first piston 21, so as to prevent the first piston 21 from separating from the inner wall of the three-way air pressure chamber 2 due to the overlarge moving distance of the first piston 21, thereby improving the overall stability of the structure.

Preferably, in this embodiment, 2 inner walls fixed mounting in tee bend atmospheric pressure storehouse have first stopper 25, and the quantity of first stopper 25 is two, and two first stoppers 25 symmetry sets up at push rod 3 top and bottom.

Preferably, in this embodiment, 2 inner walls fixed mounting in tee bend atmospheric pressure storehouse have second stopper 26, and the quantity of second stopper 26 is two, and two second stoppers 25 symmetry set up on rack bar 6 left side and right side.

Preferably, in this embodiment, the vent hole 27 is opened on the left side of the three-way air pressure chamber 2, and the vent hole 27 is located at the bottom of the second limiting block 26.

Preferably, in this embodiment, the distance between every two adjacent first tapered pushing blocks 51 is greater than the distance from the right side of the second piston 22 to the left side of the first limiting block 25, and the distance between every two adjacent second tapered pushing blocks 81 and every two adjacent first tapered pushing blocks 51 is equal.

When the movable sleeve 5 in the drainage pipe 1 is blocked during working (or in use), the water level of a kilometer or a bridge road surface connected with the drainage pipe 1 rises, the water pressure in the drainage pipe 1 increases, the first piston 21 moves upwards and compresses the return spring 24 under the action of the water pressure, in the process that the first piston 21 moves upwards, due to certain friction force between the movable sleeve 5 and the inner wall of the drainage pipe 1, the third piston 23 descends first, the third piston 23 pushes the rack rod 6 to descend, the gear 7 meshed with the rack rod 6 rotates under the action of the rack rod 6, the gear 7 drives the rotating shaft 8 to rotate, the second conical push block 81 on the rotating shaft 8 rotates to dredge the movable sleeve 5 for the first time, if the first dredging fails, and the third piston 23 contacts with the second limit block 26 again, the second piston 22 moves rightwards, the second piston 22 enables the movable sleeve 5 to move rightwards through the push rod 3 and the transmission rod 4, under the simultaneous action of the first conical pushing block 51 and the second conical pushing block 81, impurities accumulated in the movable sleeve 5 are dredged for the second time, and because the first conical pushing block 51 and the second conical pushing block 81 move relatively in the second dredging process, the impurities in the movable sleeve 5 can be dredged, so that the automatic anti-blocking function is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drainage structures for public road bridge roof beam, includes drain pipe (1), its characterized in that: the water discharging pipe is characterized in that a three-way air pressure bin (2) is arranged at the top of the water discharging pipe (1), the inner wall of the three-way air pressure bin (2) is connected with a first piston (21), a second piston (22) and a third piston (23) through pistons, a reset spring (24) is fixedly connected to the top of the first piston (21), the top end of the reset spring (24) is fixedly connected with the inner wall of the three-way air pressure bin (2), a push rod (3) is welded on the right side of the second piston (22), a transmission rod (4) is fixedly arranged at the right end of the push rod (3), the bottom end of the transmission rod (4) penetrates through a movable groove (11) formed in the surface of the water discharging pipe (1) and is fixedly connected with the outer wall of a movable sleeve (5), the outer wall of the movable sleeve (5) is tightly attached to the inner wall of the water discharging pipe (1), a plurality of first conical push blocks (51) are fixedly connected to the inner wall of the movable sleeve (5), a rack rod (6) is fixedly arranged at the bottom of the third piston (23), rack bar (6) bottom and gear (7) meshing, gear (7) center department run through by pivot (8) and with pivot (8) fixed connection, pivot (8) left end is rotated and is installed inside drain pipe (1), pivot (8) right-hand member sets up inside movable sleeve (5), pivot (8) bottom fixedly connected with a plurality of second toper ejector pad (81).

2. The drainage structure for road bridges of claim 1, wherein: the inner wall of the return spring (24) is sleeved with a positioning column (241), and the bottom of the positioning column (241) is fixedly installed at the top of the first piston (21).

3. The drainage structure for road bridges of claim 1, wherein: three-way atmospheric pressure storehouse (2) inner wall fixed mounting has first stopper (25), the quantity of first stopper (25) is two, and two first stoppers (25) symmetry set up in push rod (3) top and bottom.

4. The drainage structure for road bridges of claim 1, wherein: three-way atmospheric pressure storehouse (2) inner wall fixed mounting has second stopper (26), the quantity of second stopper (26) is two, and two second stoppers (26) symmetry set up on rack bar (6) left side and right side.

5. The drainage structure for road bridges of claim 1, wherein: an air vent (27) is formed in the left side of the three-way air pressure bin (2), and the air vent (27) is located at the bottom of the second limiting block (26).

6. The drainage structure for road bridges of claim 1, wherein: the distance between every two adjacent first conical push blocks (51) is greater than the distance from the right side of the second piston (22) to the left side of the first limiting block (25), and the distance between every two adjacent second conical push blocks (81) and every two adjacent first conical push blocks (51) is equal.