CN219410502U - Stop block limiting device applicable to various earthquake conditions - Google Patents

Abstract

The utility model relates to the technical field of bridge engineering and discloses a stop block limiting device applicable to various earthquake conditions, which comprises a cover beam, wherein the upper surface of the cover beam is provided with a box beam, the upper surface of the cover beam is symmetrically provided with transverse grooves, the front and rear surfaces of the interiors of the transverse grooves are respectively provided with a sliding groove, the interiors of the two sliding grooves are connected with mounting seats in a sliding manner, the upper surface of each mounting seat is provided with a mounting groove, a baffle is inserted into each mounting groove, the tops of the two baffle are positioned above the cover beam, and a supporting plate is fixed.

Description

Stop block limiting device applicable to various earthquake conditions

Technical Field

The utility model relates to the technical field of bridge engineering, in particular to a stop block limiting device applicable to various earthquake conditions.

Background

The bridge shock-proof stop blocks are arranged on the bridge pier and the bridge abutment and are arranged on the shock-proof structures at two sides of the beam end, so that the phenomenon that the girder falls down in the transverse direction is prevented during the purpose, plate-type rubber supports are mostly adopted for small-medium-span continuous bridge bridges in China, the supports can displace greatly under the action of an earthquake, and the shock-proof stop blocks are arranged at two ends of the bridge abutment and the bent cap through grooves for preventing the transverse falling down.

The existing anti-seismic stop block is difficult to replace due to the fact that the traditional anti-seismic stop block is welded or poured in most of installed connection modes, the anti-seismic effect and stability of the bridge are affected by long-time use, and the stop block limiting device applicable to various earthquake conditions is lacking.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a stop block limiting device applicable to various earthquake conditions, and solves the problems in the background.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dog stop device suitable for multiple seismic conditions, includes the bent cap, the bent cap upper surface is equipped with the case roof beam, the transverse groove has been seted up to bent cap upper surface symmetry, the spout has all been seted up to the transverse groove inside front and back surface, two the inside joint sliding connection of spout has the mount pad, the mount pad upper surface has been seted up the mounting groove, inside grafting of mounting groove has the baffle, two the baffle top is located the bent cap top all is fixed with the layer board.

Preferably, the inside two cavitys that are located of mount pad mounting groove below have been seted up, draw-in groove one has all been seted up to the surface around the baffle, the inside sliding connection of cavity has the lifter, two the lifter top all runs through to the mount pad top, the chute has all been seted up to the lifter inside left and right sides, two the inside sliding connection of chute has the slide bar jointly, slide bar surface mounting has the inserted block, the inserted block is close to the one end of baffle runs through to draw-in groove one inside, the inside rotation of cavity is connected with a tooth section of thick bamboo, tooth section of thick bamboo top is equipped with the pinion rack, one side sliding connection that the cavity is inside to keep away from the lifter has the bullet pole, two the bullet pole top all runs through to inside the mounting groove, the bullet pole is close to one side of tooth section of thick bamboo has seted up draw-in groove two, the pinion rack is close to the one end of bullet pole with the grafting of draw-in groove two.

Preferably, a plurality of gear teeth are fixed on the lower surface of the toothed plate and one side, close to the spring rod, of the lifting piece, and the toothed plate and the lifting piece are in meshed connection with the toothed cylinder through the gear teeth.

Preferably, a plastic plate is fixed on the lower surface of the inner part of the transverse groove.

Preferably, the top ends of the two spring rods are attached to the lower surface of the baffle plate.

Preferably, the lifting piece is of a U-shaped structure.

Preferably, the spring II is fixed at the bottom of the spring rod, the bottom of the spring II is fixedly connected with the inner lower surface of the cavity, the first spring is fixed at one end of the toothed plate, which is far away from the spring rod, and the first spring is fixedly connected with the inner surface of the cavity at one end of the toothed plate, which is far away from the toothed plate.

(III) beneficial effects

The utility model provides a stop block limiting device applicable to various earthquake conditions, which has the following beneficial effects:

in the use process, the external bridge stop block is welded with the upper surface of the supporting plate, the stop block is attached to the box girder, when the box girder shakes due to an earthquake and the like, the stop block and the mounting seat are pushed to move outwards, when the shaking strength is greater than the strength of the plastic plate, the plastic plate is broken, the mounting seat moves outwards until the movement stops under the limit of the inner wall of the transverse groove, the two-section limit fixing effect is achieved, and the earthquake protection device is suitable for earthquake conditions with different strengths; when the baffle needs to be replaced, the two lifting pieces are pressed to enable the lifting pieces to descend, the sliding rod is extruded through the inner wall of the chute to enable the inserting block to slide inwards to be separated from the clamping groove I, meanwhile, the toothed drum drives the toothed plate to transversely move to be separated from the clamping groove II, the spring II pushes the elastic rod to move upwards, the two ascending elastic rods push the baffle to ascend, a person can withdraw the baffle, the support plate and the baffle at the moment, a new baffle is inserted into the mounting seat, the bottom of the baffle extrudes the elastic rod to enable the baffle to descend, when the clamping groove II is aligned with the toothed plate, the spring I pushes the toothed plate to be clamped into the clamping groove II, the lifting pieces are ascended through the toothed drum, at the moment, the inserting block is clamped into the clamping groove I again, the baffle is fixed, and after the installation, the welding of the new baffle and the support plate can be completed.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model

Fig. 2 is a schematic side sectional view of the mounting base of the present utility model.

In the figure: 1. a capping beam; 2. a transverse groove; 3. a chute; 4. a mounting base; 5. a baffle; 6. a supporting plate; 7. a plastic plate; 8. a clamping groove I; 9. a cavity; 10. a lifting member; 11. a chute; 12. a slide bar; 13. inserting blocks; 14. a tooth cylinder; 15. a toothed plate; 16. a first spring; 17. a spring rod; 18. a second spring; 19. a clamping groove II; 20. a mounting groove; 21. and a box girder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-2, the present utility model provides a technical solution: stop limit device applicable to multiple seismic conditions, including bent cap 1, its characterized in that: the upper surface of the bent cap 1 is provided with a box girder 21, the upper surface of the bent cap 1 is symmetrically provided with transverse grooves 2, the front surface and the rear surface of the interior of the transverse grooves 2 are respectively provided with a sliding groove 3, the interior of each sliding groove 3 is connected with an installation seat 4 in a sliding manner, the upper surface of each installation seat 4 is provided with an installation groove 20, each installation groove 20 is internally inserted with a baffle 5, the tops of the two baffles 5 are positioned above the bent cap 1 and are respectively fixedly provided with a supporting plate 6, an external bridge stop block is welded with the upper surface of each supporting plate 6, and the stop blocks are attached to the box girder 21.

Further, two cavities 9 are formed in the mounting seat 4 and located below the mounting groove 20, clamping grooves I8 are formed in the front surface and the rear surface of the baffle 5, lifting pieces 10 are connected to the cavities 9 in a sliding mode, grooves 11 are formed in the left side and the right side of the inner portion of the lifting pieces 10 in a penetrating mode, sliding rods 12 are connected to the inner portions of the two grooves 11 in a sliding mode, inserting blocks 13 are fixed to the outer surfaces of the sliding rods 12, one ends of the inserting blocks 13 close to the baffle 5 penetrate into the clamping grooves I8, tooth cylinders 14 are connected to the inner portions of the cavities 9 in a rotating mode, toothed plates 15 are arranged above the tooth cylinders 14, elastic rods 17 are connected to one side, away from the lifting pieces 10, of the inner portions of the cavities 9 in a sliding mode, the top ends of the two elastic rods 17 penetrate into the mounting grooves 20, clamping grooves II 19 are formed in the side, close to the elastic rods 17, one ends of the toothed plates 15 are connected to the clamping grooves II 19 in a plugging mode, one ends, close to the elastic rods 17, are connected to the clamping grooves II 19 in a plugging mode, the end, and the baffle 5 can be inserted into the mounting groove 20 in a clamping mode, and the automatic clamping mode only needs to press the two lifting pieces 10 when the lifting pieces are detached.

Further, a plurality of gear teeth are fixed on the lower surface of the toothed plate 15 and one side of the lifting member 10, which is close to the spring rod 17, and the toothed plate 15 and the lifting member 10 are in meshed connection with the gear cylinder 14 through the gear teeth, so that the toothed plate 15, the lifting member 10 and the gear cylinder 14 form a linkage relationship.

Further, the plastic plate 7 is fixed on the lower surface inside the transverse groove 2, and the plastic plate 7 is made of plastic and has certain strength, but can be broken after being extruded and impacted with the strength exceeding a certain strength.

Further, the top ends of the two spring rods 17 are attached to the lower surface of the baffle plate 5, and the baffle plate 5 presses the two spring rods 17.

Further, the lifting member 10 has a U-shaped structure, so that the first spring 16 can be located inside the lifting member 10, and the toothed plate 15 is not blocked when moving.

Further, a second spring 18 is fixed at the bottom of the spring rod 17, the bottom of the second spring 18 is fixedly connected with the inner lower surface of the cavity 9, a first spring 16 is fixed at one end, far away from the spring rod 17, of the toothed plate 15, and one end, far away from the toothed plate 15, of the first spring 16 is fixedly connected with the inner surface of the cavity 9, and the second spring 18 is used for connecting the inner surface of the cavity 9.

To sum up, the workflow of the utility model: when the box girder 21 shakes due to an earthquake and the like, the stop block and the mounting seat 4 are pushed to move outwards, when the shaking strength is larger than that of the plastic plate 7, the plastic plate 7 breaks, the mounting seat 4 moves outwards until the stop of the movement is stopped under the limit of the inner wall of the transverse groove 2, the effect of limiting two sections is achieved, when the stop block, the baffle 5 and the support plate 6 are required to be detached, the lifting piece 10 is pushed down, the sliding rod 12 is extruded through the inner wall of the chute 11 to enable the inserting block 13 to slide inwards, the first clamping groove 8 is separated, meanwhile, the toothed plate 15 is driven to move transversely through the toothed cylinder 14, the second clamping groove 19 is separated, the spring 18 moves the pushing elastic rod 17 upwards, the two rising elastic rods 17 push the baffle 5 to rise, the baffle 5 and the stop block can be pulled out by a person, the baffle 5 and the stop block, the new baffle 5 is inserted into the mounting seat 4, the bottom of the baffle 5 is extruded by the elastic rod 17, the two sections are lowered, when the clamping groove two clamping grooves 19 are aligned with the toothed plate 15, the first clamping groove 16 pushes the toothed plate 15 into the toothed groove 15, the second clamping groove 15 is pushed by the spring 16 to be clamped into the toothed cylinder 13 again, and the first clamping groove is welded with the support plate 6, and the first clamping groove is welded into the second clamping groove 6, and the second clamping groove is welded into the new clamping groove 13.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (7)

1. Stop limit device applicable to multiple seismic conditions, including bent cap (1), its characterized in that: the utility model discloses a bent cap, including bent cap (1), fixed plate, baffle (5), mounting seat (4), mounting seat (20) have been seted up to bent cap (1) upper surface, transverse groove (2) have been seted up to bent cap (1) upper surface symmetry, spout (3) have all been seted up to transverse groove (2) inside front and back surface, two inside sliding connection of spout (3) has mount pad (4), mounting groove (20) have been seted up to mount pad (4) upper surface, inside grafting of mounting groove (20) has baffle (5), two baffle (5) top is located bent cap (1) top all is fixed with layer board (6).

2. A stop limit device adaptable to a plurality of seismic conditions as defined in claim 1, wherein: the utility model discloses a tooth cartridge (14) is equipped with in mounting groove (20), mounting seat (4) are inside to be located mounting groove (20) below has been seted up two cavitys (9), draw-in groove one (8) have all been seted up to baffle (5) front and back surface, inside sliding connection of cavity (9) has lifting part (10), two lifting part (10) top all runs through to mounting seat (4) top, chute (11) have all been seted up on lifting part (10) inside left and right sides, two chute (11) inside sliding connection has slide bar (12), slide bar (12) external surface fixed has inserted block (13), inserted block (13) are close to one end of baffle (5) runs through to inside draw-in groove one (8), inside rotation of cavity (9) is connected with tooth cartridge (14), tooth cartridge (14) top is equipped with pinion (15), inside being kept away from of lifting part (10) one side sliding connection has spring rod (17), two spring rod (17) top all runs through to inside groove (20), be close to two tooth cartridge (17) one side (19) are close to tooth cartridge (19).

3. A stop limit device adaptable to a plurality of seismic conditions as defined in claim 2, wherein: the lower surface of the toothed plate (15) and one side of the lifting piece (10) close to the spring rod (17) are respectively fixed with a plurality of gear teeth, and the toothed plate (15) and the lifting piece (10) are respectively connected with the gear cylinder (14) in a meshed manner through the gear teeth.

4. A stop limit device adaptable to a plurality of seismic conditions as defined in claim 1, wherein: a plastic plate (7) is fixed on the lower surface of the inner part of the transverse groove (2).

5. A stop limit device adaptable to a plurality of seismic conditions as defined in claim 3, wherein: the top ends of the two spring rods (17) are attached to the lower surface of the baffle plate (5).

6. A stop limit device adaptable to a plurality of seismic conditions as defined in claim 2, wherein: the lifting piece (10) is of a U-shaped structure.

7. A stop limit device adaptable to a plurality of seismic conditions as defined in claim 2, wherein: the spring rod is characterized in that a second spring (18) is fixed at the bottom of the spring rod (17), the bottom of the second spring (18) is fixedly connected with the inner lower surface of the cavity (9), a first spring (16) is fixed at one end, far away from the spring rod (17), of the toothed plate (15), and one end, far away from the toothed plate (15), of the first spring (16) is fixedly connected with the inner surface of the cavity (9).