CN215857192U

CN215857192U - Replaceable bridge expansion device capable of being pulled out and inserted

Info

Publication number: CN215857192U
Application number: CN202120909808.7U
Authority: CN
Inventors: 刘洋; 吴霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-02-18
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a replaceable bridge expansion device capable of being pulled out and inserted, which comprises a pier stud and a capping beam, wherein the top of the pier stud is fixedly connected with the capping beam, the top of the capping beam is fixedly connected with a stop block, the top of the stop block is fixedly connected with a pier, the interior of a reverse slot is fixedly connected with an expansion block, and the outer surface of the reverse slot is provided with a buffer layer. This can take out and insert change formula bridge telescoping device, setting through the fixture block, can realize the chucking to the connecting reinforcement, and then realize the fixed to the flexible piece through the flexible piece of connecting reinforcement one end, the installation is made things convenient for, need not to pour the concrete, the portability of installation has been realized, setting through the strengthening rib, can fasten and strengthen the inside of two flexible pieces, prevent that flexible piece from taking place because of the condition of long-term use damage in the pontic, setting through erecting the round pin, can carry out interim fixed to the flexible piece, play certain auxiliary action when flexible piece is installed, and then the precision when having strengthened the installation.

Description

Replaceable bridge expansion device capable of being pulled out and inserted

Technical Field

The utility model relates to the technical field of bridge expansion devices, in particular to a replaceable bridge expansion device capable of being pulled out and inserted.

Background

The bridge expansion device is to meet the requirement of bridge deck deformation, and the expansion device is usually arranged between two beam ends, between the beam end and a bridge abutment or at the hinged position of a bridge. The telescopic device is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and is firm and reliable, and when a vehicle runs, the vehicle is smooth without sudden jump and noise; the rainwater and garbage soil can be prevented from being infiltrated and blocked; installation, inspection, maintenance, elimination filth all will be simple and easy convenient, and setting up expansion joint department, railing and bridge deck pavement all will break off.

The problem can appear after the installation in current bridge telescoping device, is not convenient for dismantle and change, just in case with the steel reinforcement welding in the road surface on the reinforcing bar on the telescoping device, just can't dismantle, need pour the concrete in the anti-fluting in addition again, this has just increaseed the dismantlement degree of difficulty greatly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a replaceable bridge expansion device capable of being drawn and inserted, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a can take out and insert change formula bridge telescoping device, includes pier stud and bent cap, the top fixedly connected with bent cap of pier stud, the top fixedly connected with dog of bent cap, the top fixedly connected with pier of dog, the top of pier is provided with the road surface, reverse fluting has been seted up to the inside on road surface, the flexible piece of reverse slotted inside fixedly connected with, reverse slotted surface is provided with the buffer layer.

Optionally, the number of the telescopic blocks is two, two connecting steel bars are fixedly connected to one side of each telescopic block, and the number of the connecting steel bars is two.

Optionally, the inside of flexible piece is provided with the sleeve, telescopic quantity is two, two telescopic inside swing joint has the vertical pin, the glue injection groove has been seted up at the top of vertical pin.

Optionally, one side of the sleeve is located inside the telescopic block and fixedly connected with reinforcing ribs, the number of the reinforcing ribs is two, and one side of the telescopic block is provided with foamed plastic.

Optionally, the bottom of the connecting steel bar is located inside the U-shaped plate fixedly connected with the reverse slot, two spring holes are formed in two sides of the outer surface of the U-shaped plate, and the two spring holes are movably connected with rigid springs inside.

Optionally, the number of the rigid springs is two, two one side fixedly connected with connecting block of rigid spring, one side fixedly connected with movable rod of connecting block, one side fixedly connected with limiting plate of movable rod, the opposite side fixedly connected with cardboard of connecting block, the outer fixed surface of cardboard is connected with the fixture block.

(III) advantageous effects

The utility model provides a replaceable bridge expansion device capable of being plugged, which has the following beneficial effects:

1. this can take out and insert change formula bridge telescoping device, setting through the fixture block, can realize the chucking to the connecting reinforcement, and then realize the fixed to the flexible piece through the flexible piece of connecting reinforcement one end, the installation is made things convenient for, need not to pour the concrete, the portability of installation has been realized, setting through the strengthening rib, can fasten and strengthen the inside of two flexible pieces, prevent that flexible piece from taking place because of the condition of long-term use damage in the pontic, setting through erecting the round pin, can carry out interim fixed to the flexible piece, play certain auxiliary action when flexible piece is installed, and then the precision when having strengthened the installation.

2. This can take out and insert change formula bridge telescoping device through the setting of glue injection groove, can fill out and seal telescopic top, makes telescopic top have more the leakproofness, through the setting of buffer layer, can cushion the flexible piece of anti-inside fluting effectively, and then makes flexible piece can realize flexible buffering after the installation, and then has created certain condition for the flexible of flexible piece.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic perspective view of a U-shaped plate according to the present invention;

FIG. 3 is a schematic view of a front partial cross-sectional structure of a U-shaped plate according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. pier studs; 2. a capping beam; 3. a stopper; 4. a bridge pier; 5. a pavement; 6. reversely slotting; 7. a telescopic block; 8. a buffer layer; 9. connecting reinforcing steel bars; 10. a sleeve; 11. a vertical pin; 12. injecting glue groove; 13. reinforcing ribs; 14. a foamed plastic; 15. a U-shaped plate; 16. a spring hole; 17. a rigid spring; 18. connecting blocks; 19. a movable rod; 20. a limiting plate; 21. clamping a plate; 22. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a bridge expansion device capable of being replaced by pulling and inserting comprises a pier stud 1 and a bent cap 2, wherein the top of the pier stud 1 is fixedly connected with the bent cap 2, the top of the bent cap 2 is fixedly connected with a stop block 3, the top of the stop block 3 is fixedly connected with a pier 4, the top of the pier 4 is provided with a road surface 5, the interior of the road surface 5 is provided with an inverted groove 6, the interior of the inverted groove 6 is fixedly connected with two expansion blocks 7, one side of the two expansion blocks 7 is fixedly connected with a connecting steel bar 9, the bottom of the connecting steel bar 9 is positioned in the inverted groove 6 and is fixedly connected with a U-shaped plate 15, two sides of the outer surface of the U-shaped plate 15 are provided with spring holes 16, the number of the spring holes 16 is two, the interior of the two spring holes 16 is movably connected with two rigid springs 17, the number of the rigid springs 17 is two, one side of the two rigid springs 17 is fixedly connected with a connecting block 18, and one side of the connecting block 18 is fixedly connected with a movable rod 19, one side of the movable rod 19 is fixedly connected with a limiting plate 20, the other side of the connecting block 18 is fixedly connected with a clamping plate 21, the outer surface of the clamping plate 21 is fixedly connected with a clamping block 22, the clamping of the connecting steel bars 9 can be realized through the arrangement of the clamping block 22, further, the fixing of the telescopic block 7 is realized through the telescopic block 7 at one end of the connecting steel bars 9, the installation is convenient, the concrete does not need to be poured, the installation portability is realized, the number of the connecting steel bars 9 is two, a sleeve 10 is arranged inside the telescopic block 7, one side of the sleeve 10 is fixedly connected with a reinforcing rib 13 inside the telescopic block 7, the inner parts of the two telescopic blocks 7 can be fastened and reinforced through the arrangement of the reinforcing rib 13, the occurrence of the damage of the telescopic blocks 7 in the bridge body due to long-time use is prevented, the number of the reinforcing ribs 13 is two, one side of the telescopic block 7 is provided with foam plastic 14, and the number of the sleeve 10 is two, two sleeve 10's inside swing joint has perpendicular round pin 11, setting through perpendicular round pin 11, can carry out interim fixed to flexible piece 7, play certain complementary action when flexible piece 7 is installed, and then the precision when having strengthened the installation, glue injection groove 12 has been seted up at the top of perpendicular round pin 11, setting through glue injection groove 12, can fill up the top of sleeve 10, make sleeve 10's top have more the leakproofness, the surface of anti-fluting 6 is provided with buffer layer 8, setting through buffer layer 8, can cushion the flexible piece 7 of anti-fluting 6 inside effectively, and then make flexible piece 7 can realize flexible buffering after the installation, and then created certain condition for flexible piece 7's flexible.

In conclusion, the telescopic device of the bridge capable of being replaced by pulling and inserting can clamp the connecting steel bars 9 through the arrangement of the fixture blocks 22 when in use, further realize the fixation of the telescopic blocks 7 through the telescopic blocks 7 at one ends of the connecting steel bars 9, facilitate the installation, avoid the need of concrete pouring, realize the portability of the installation, fasten and strengthen the interiors of the two telescopic blocks 7 through the arrangement of the reinforcing ribs 13, prevent the telescopic blocks 7 from being damaged in the bridge body due to long-term use, temporarily fix the telescopic blocks 7 through the arrangement of the vertical pins 11, play a certain auxiliary role when the telescopic blocks 7 are installed, further strengthen the precision during the installation, fill and seal the top of the sleeve 10 through the arrangement of the glue injection groove 12, enable the top of the sleeve 10 to have better sealing performance, effectively buffer the telescopic blocks 7 in the reverse groove 6 through the arrangement of the buffer layer 8, therefore, the telescopic block 7 can be buffered after being installed, and certain conditions are created for the telescopic block 7 to be telescopic.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a can take out and insert change formula bridge telescoping device, includes pier stud (1) and bent cap (2), its characterized in that: the top fixedly connected with bent cap (2) of pier stud (1), the top fixedly connected with dog (3) of bent cap (2), the top fixedly connected with pier (4) of dog (3), the top of pier (4) is provided with road surface (5), reverse fluting (6) have been seted up to the inside on road surface (5), the flexible piece of inside fixedly connected with (7) of reverse fluting (6), the surface of reverse fluting (6) is provided with buffer layer (8).

2. The retractable bridge expansion device of claim 1, wherein: the number of flexible piece (7) is two, two one side fixedly connected with connecting reinforcement (9) of flexible piece (7), the number of connecting reinforcement (9) is two.

3. The retractable bridge expansion device of claim 1, wherein: the rubber injection molding device is characterized in that sleeves (10) are arranged inside the telescopic blocks (7), the number of the sleeves (10) is two, two vertical pins (11) are movably connected inside the sleeves (10), and rubber injection grooves (12) are formed in the tops of the vertical pins (11).

4. The retractable and replaceable bridge expansion device of claim 3, wherein: one side of sleeve (10) is located the inside fixedly connected with strengthening rib (13) of flexible piece (7), the quantity of strengthening rib (13) is two, one side of flexible piece (7) is provided with foamed plastic (14).

5. The retractable and replaceable bridge expansion device of claim 2, wherein: the bottom of connecting reinforcement (9) is located inside fixedly connected with U template (15) of anti-fluting (6), spring hole (16) have been seted up to the both sides of U template (15) surface, the quantity of spring hole (16) is two, two the inside swing joint of spring hole (16) has rigid spring (17).

6. The retractable and replaceable bridge expansion device of claim 5, wherein: the quantity of stiff spring (17) is two, two one side fixedly connected with connecting block (18) of stiff spring (17), one side fixedly connected with movable rod (19) of connecting block (18), one side fixedly connected with limiting plate (20) of movable rod (19), opposite side fixedly connected with cardboard (21) of connecting block (18), the external fixed surface of cardboard (21) is connected with fixture block (22).