CN212561149U

CN212561149U - Bridge expansion joint cover plate

Info

Publication number: CN212561149U
Application number: CN202021231433.5U
Authority: CN
Inventors: 庄庆扬; 赵红权
Original assignee: Zhejiang Zhengfang Traffic Construction Co ltd
Current assignee: Zhejiang Zhengfang Traffic Construction Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-19
Anticipated expiration: 2030-06-30

Abstract

The utility model belongs to the technical field of bridge construction, especially, a bridge expansion joint cover plate, including the bridge body, the inside of bridge body is seted up the spout, the inside sliding connection of spout has the slider, the one end of slider passes bridge body fixedly connected with fly leaf, the inside fixedly connected with round pin axle of fly leaf, the fly leaf has the cover plate body through round pin axle swing joint, the lower fixed surface of cover plate body is connected with the telescopic link; the utility model discloses, through setting up first spring, second spring and third spring, can cushion the shock attenuation to apron body and the three junction of bridge body to improve the buffering effect of this device, have good practicality than the prior art shock attenuation, through setting up the spout, the maximum distance that steerable apron body can slide to ensure the safe in utilization of this device, avoid the fly leaf perk to cause the traffic accident under the effect of slider simultaneously.

Description

Bridge expansion joint cover plate

Technical Field

The utility model belongs to the technical field of the bridge construction, concretely relates to bridge expansion joint cover plate.

Background

The bridge, generally mean erect in river, lake and sea, make the structure that vehicles and pedestrians can pass smoothly, in order to adapt to the modern high-speed traffic industry that develops, the bridge also draws the application as spanning mountain stream, unfavorable geology or meet other traffic needs and erect and make the building that pass more convenient, the bridge generally is made up of superstructure, substructure, support and affiliated structure, the superstructure is also called the bridge and strides the structure, it is the main structure to stride the obstacle, the substructure includes abutment, pier and foundation; the support is a force transmission device arranged at the supporting positions of a bridge span structure and a pier or an abutment, the auxiliary structure is a bridge head butt strap, a conical protection slope, a revetment, a diversion project and the like, the bridge expansion joint is used for meeting the requirement of bridge deck deformation, the expansion joint is usually arranged between two beam ends, between the beam end and the abutment or at the hinged position of a bridge, the expansion joint is generally required to be capable of freely extending and contracting in two directions parallel to and perpendicular to a bridge shaft, the existing expansion joint cover plate is generally arranged above the gap, but when a vehicle drives through the cover plate, the cover plate can be impacted and pressed down, and the damping effect is poor.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a bridge expansion joint cover plate has characteristics such as the shock attenuation is effectual.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge expansion joint cover plate comprises a bridge body, wherein a sliding groove is formed in the bridge body, a sliding block is connected in the sliding groove in a sliding manner, one end of the sliding block penetrates through the bridge body and is fixedly connected with a movable plate, a pin shaft is fixedly connected in the movable plate, the movable plate is movably connected with the cover plate body through the pin shaft, a telescopic rod is fixedly connected to the lower surface of the cover plate body, one end of the telescopic rod is fixedly connected to the upper surface of the bridge body, a first spring is sleeved on the surface of the telescopic rod, a transfer block is fixedly connected to the lower surface of the cover plate body, an extension plate is fixedly connected to the lower surface of the transfer block, a fixed shaft is fixedly connected in the extension plate, a buffer rod is sleeved on the surface of the fixed shaft, a sliding rod is sleeved in the inner part, the supporting block is fixedly connected to the surface of the bridge body, the second spring is sleeved on the surface of the sliding rod, one end of the second spring is fixedly connected to the upper surface of the supporting block, the other end of the second spring is fixedly connected to the lower surface of the buffer rod, and the surface of the sliding block is fixedly connected with the third spring.

Preferably, one end of the first spring is fixedly connected to the upper surface of the bridge body, and the other end of the first spring is fixedly connected to the lower surface of the cover plate body.

Preferably, the third spring is arranged inside the sliding groove, and one end of the third spring is fixedly connected inside the bridge body.

Preferably, the number of the buffer rods is two and arranged in a V shape, and the telescopic rods and the first springs are components of the damper.

Preferably, the number of the movable plates is two and the movable plates are respectively arranged on the left side and the right side of the cover plate body.

Preferably, the width of the adapter block is larger than the width of a gap between the bridge bodies, and the adapter plate is arranged right above the gap between the bridge bodies.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up first spring, second spring and third spring, in the application of reality, cooperation between the aforesaid can be to lapping the three junction of body and bridge and cushion the shock attenuation to improve the buffering effect of this device, have good practicality than the prior art shock attenuation, through setting up the spout, in the application of reality, the maximum distance that steerable apron body can slide, thereby ensure the safe in utilization of this device, avoid the fly leaf perk to cause the traffic accident simultaneously under the effect of slider.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is an enlarged schematic structural view of the position A of the present invention;

FIG. 3 is an enlarged schematic structural view of the position B of the present invention;

in the figure: 1. a bridge body; 2. a chute; 3. a movable plate; 4. a pin shaft; 5. a cover plate body; 6. a transfer block; 7. an extension plate; 8. a fixed shaft; 9. a telescopic rod; 10. a first spring; 11. a support block; 12. a second spring; 13. a buffer rod; 14. a slide bar; 15. a slider; 16. and a third spring.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a bridge expansion joint cover plate comprises a bridge body 1, wherein a sliding groove 2 is formed in the bridge body 1, a sliding block 15 is connected in the sliding groove 2 in a sliding manner, the sliding groove 2 is arranged, in practical application, the maximum distance that a cover plate body 5 can slide can be controlled, so that the use safety of the device is ensured, meanwhile, traffic accidents caused by the fact that a movable plate 3 tilts up are avoided under the action of the sliding block 15, one end of the sliding block 15 penetrates through the bridge body 1 and is fixedly connected with the movable plate 3, a pin shaft 4 is fixedly connected in the movable plate 3, the cover plate body 5 is movably connected with the movable plate 3 through the pin shaft 4, a telescopic rod 9 is fixedly connected to the lower surface of the cover plate body 5, one end of the telescopic rod 9 is fixedly connected to the upper surface of the bridge body 1, a first spring 10 is sleeved on the surface of the telescopic rod 9, and a switching, the lower surface of the transfer block 6 is fixedly connected with an extension plate 7, the interior of the extension plate 7 is fixedly connected with a fixed shaft 8, the surface of the fixed shaft 8 is sleeved with a buffer rod 13, the interior of one end of the buffer rod 13 is sleeved with a slide rod 14, two ends of the slide rod 14 are fixedly connected with supporting blocks 11, the supporting blocks 11 are fixedly connected with the surface of the bridge body 1, the surface of the slide rod 14 is sleeved with a second spring 12, one end of the second spring 12 is fixedly connected with the upper surface of the supporting block 11, the other end of the second spring 12 is fixedly connected with the lower surface of the buffer rod 13, the surface of the slide block 15 is fixedly connected with a third spring 16, and through the arrangement of the first spring 10, the second spring 12 and the third spring 16, in practical application, through the cooperation among the above, the three joints of the cover plate body 5 and the bridge body 1 can be buffered and, thereby improve the buffering effect of this device, have good practicality compared the prior art shock attenuation.

Specifically, one end of the first spring 10 is fixedly connected to the upper surface of the bridge body 1, and the other end of the first spring 10 is fixedly connected to the lower surface of the cover plate body 5.

Specifically, the third spring 16 is disposed inside the sliding chute 2, and one end of the third spring 16 is fixedly connected inside the bridge body 1.

Specifically, the number of the buffer rods 13 is two and arranged in a V-shape, and the telescopic rod 9 and the first spring 10 are components of the damper.

Specifically, the number of the movable plates 3 is two and the movable plates are respectively arranged on the left side and the right side of the cover plate body 5.

Specifically, the width of the transfer block 6 is greater than the width of the gap between the bridge bodies 1, the transfer plate is arranged right above the gap between the bridge bodies 1, the width of the transfer block 6 is greater than the width of the gap between the bridge bodies 1, and in actual application, the cover plate body 5 is prevented from being in direct contact with the bridge bodies 1, the telescopic rod 9 is prevented from being damaged, and the service life of the telescopic rod 9 and the first spring 10 is guaranteed.

The utility model discloses a theory of operation and use flow: when the utility model is used, the vehicle passes through the movable plate 3 and the cover plate body 5, the cover plate body 5 and the movable plate 3 can vibrate along with the external impact force, the cover plate body 5 can transmit the downward force to the telescopic rod 9 and the switching block 6, the telescopic rod 9 and the first spring 10 can perform telescopic work, so as to weaken the vibration force for one time, then the switching plate pushes the buffer rod 13 to slide on the surface of the slide rod 14 under the action of the fixed shaft 8, so that the switching plate is matched with the second spring 12, the vibration force is weakened for the second time, meanwhile, in the process of back and forth vibration reduction of the cover plate body 5, under the action of the pin shaft 4, the movable plate 3 vibrates back and forth along with the cover plate body 5 to drive the slide block 15 to slide in the chute 2, so that the movable plate is matched with the third spring 16, the vibration force of the cover plate body 5 is further reduced, the vibration force is weakened for three times, the device weake, not only greatly reduced vibrations long, guaranteed the practicality of this device moreover, improved the shock attenuation effect of this device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bridge expansion joint cover, includes bridge body (1), its characterized in that: the bridge is characterized in that a sliding groove (2) is formed in the bridge body (1), a sliding block (15) is connected to the sliding groove (2) in a sliding mode, one end of the sliding block (15) penetrates through the bridge body (1) and is fixedly connected with a movable plate (3), a pin shaft (4) is fixedly connected to the inner portion of the movable plate (3), the movable plate (3) is movably connected with a cover plate body (5) through the pin shaft (4), a telescopic rod (9) is fixedly connected to the lower surface of the cover plate body (5), one end of the telescopic rod (9) is fixedly connected to the upper surface of the bridge body (1), a first spring (10) is sleeved on the surface of the telescopic rod (9), a transfer block (6) is fixedly connected to the lower surface of the cover plate body (5), an extension plate (7) is fixedly connected to the lower surface of the transfer block (6), and a fixing, the surface of fixed axle (8) has cup jointed buffer beam (13), slide bar (14) have been cup jointed to the inside of buffer beam (13) one end, the both ends fixedly connected with supporting shoe (11) of slide bar (14), supporting shoe (11) fixed connection is on the surface of bridge body (1), second spring (12) have been cup jointed on the surface of slide bar (14), the one end fixed connection of second spring (12) is at the upper surface of supporting shoe (11), the other end fixed connection of second spring (12) is at the lower surface of buffer beam (13), the fixed surface of slider (15) is connected with third spring (16).

2. The bridge expansion joint cover according to claim 1, wherein: one end of the first spring (10) is fixedly connected to the upper surface of the bridge body (1), and the other end of the first spring (10) is fixedly connected to the lower surface of the cover plate body (5).

3. The bridge expansion joint cover according to claim 1, wherein: the third spring (16) is arranged inside the sliding groove (2), and one end of the third spring (16) is fixedly connected inside the bridge body (1).

4. The bridge expansion joint cover according to claim 1, wherein: the number of buffer rods (13) is set to two groups and arranged in a V shape, and the telescopic rods (9) and the first springs (10) are components of the damper.

5. The bridge expansion joint cover according to claim 1, wherein: the number of the movable plates (3) is two and the movable plates are respectively arranged on the left side and the right side of the cover plate body (5).

6. The bridge expansion joint cover according to claim 1, wherein: the width of the adapter block (6) is larger than the width of a gap between the bridge bodies (1), and the adapter plate is arranged right above the gap between the bridge bodies (1).