CN213064460U

CN213064460U - Bridge external prestress damper mounting and fixing device

Info

Publication number: CN213064460U
Application number: CN202021523568.9U
Authority: CN
Inventors: 杨彪; 张林龙; 邢谦; 陈莹; 张磊刚
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-27
Anticipated expiration: 2030-07-29

Abstract

The utility model provides an external prestressing force bumper shock absorber installation fixing device of bridge, including bumper shock absorber, linking bridge, pre-buried steel sheet and embedded bar, the bumper shock absorber includes the cable clamp of two symmetries, and the cable clamp both ends are through reinforcement screw fixed connection, are equipped with the shock attenuation pipe in the space that forms between the cable clamp, are equipped with the snubber block between shock attenuation pipe and the cable clamp, be equipped with two otic placodes on the pre-buried steel sheet, be equipped with the mounting hole on the otic placode, linking bridge is the L template, including long limit and minor face, long limit one end is vertical to be connected with reinforcement screw, and the other end is structure as an organic whole with the minor face is perpendicular, and the minor face passes the mounting hole and is connected with the otic placode, wear to be equipped with fixation nut on. The utility model discloses run through on pre-buried steel sheet and be equipped with two vertical otic placodes, realize the fixed connection of linking bridge and pre-buried steel sheet, avoid the welding seam because of fatigue cracking, effectively increase the antifatigue effect of bumper shock absorber, improve the life of prestressing force cable.

Description

Bridge external prestress damper mounting and fixing device

Technical Field

The utility model belongs to the technical field of external prestressing force bumper shock absorber, concretely relates to external prestressing force bumper shock absorber installation fixing device of bridge.

Background

In order to reduce vibration of the bridge caused by strong wind or in the driving process of a vehicle and prolong the service life of the bridge, a shock absorber is required to be installed at the beam end and the tower end of each stay cable, the shock absorber is fixed with an embedded steel plate in a welding mode through a support frame, but in the process of vehicle passing, external beam prestress has certain amplitude, and under the long-term fatigue effect, a welding seam between a shock absorber support and the embedded steel plate is easy to be detached, so that the shock absorber is unstable, and the shock absorption function cannot be effectively realized.

Disclosure of Invention

The utility model provides an external prestressing force bumper shock absorber installation fixing device of bridge effectively increases the antifatigue effect of bumper shock absorber.

The technical scheme of the utility model is that: a device for installing and fixing a prestressed shock absorber outside a bridge body comprises a shock absorber, a connecting bracket, an embedded steel plate and embedded steel bars, the shock absorber comprises two symmetrical cable clamps, the two ends of the cable clamps are fixedly connected through a reinforcing screw rod, a damping tube is arranged in a space formed between the cable clamps, a damping block is arranged between the damping tube and the cable clamps, one end of the connecting bracket is fixed with the reinforcing screw rod, the other end of the connecting bracket is welded on the embedded steel plate, two lug plates are arranged on the embedded steel plate, the ear plate is provided with a mounting hole, the connecting bracket is an L-shaped plate and comprises a long edge and a short edge, one end of the long edge is vertically connected with the reinforcing screw rod, the other end of the long edge is vertically integrated with the short edge, the minor face passes the mounting hole and is connected with the otic placode, wear to be equipped with fixation nut on the minor face and be used for fastening minor face and otic placode, embedded reinforcement fixes in embedded steel bottom.

The scheme is further that two through mounting grooves are formed in the embedded steel plate, and the lug plates are fixedly mounted in the mounting grooves.

The scheme is further that threads matched with each other are arranged on the short edge of the connecting support and in the mounting hole.

The scheme is further that the ear plate is a T-shaped structure consisting of the clamping portion and the connecting portion.

The scheme is further, the width of mounting groove is the same with the joint portion and the connecting portion width of otic placode, the length of joint portion, mounting groove, connecting portion increases in proper order.

The scheme is further that the novel solar cell panel further comprises a ribbed plate, and the ribbed plate is fixedly arranged on the opposite surface where the connecting bracket and the ear plate are connected.

The utility model has the advantages that: the utility model discloses run through at pre-buried steel sheet and be equipped with two vertical otic placodes, adopt nut fixed connection between linking bridge and otic placode, further improve the installation stability of bumper shock absorber, effectively increased the antifatigue effect of bumper shock absorber, improve the life of prestressing force cable.

Drawings

Fig. 1 is a schematic structural view of a mounting and fixing device for a bridge external prestressed shock absorber of the present invention;

FIG. 2 is a schematic structural view of a pre-buried steel plate of the installation and fixation device for the external prestressed shock absorber of the bridge of the present invention;

FIG. 3 is a schematic view of the ear plate structure of the installation and fixation device for the external prestressed shock absorber of the bridge of the present invention;

wherein: 1. the cable clip comprises a cable clip body, 2, a damping block, 3, a damping pipe, 4, a reinforcing screw rod, 5, a connecting support, 6, an ear plate, 7, a fixing nut, 8, a pre-embedded steel plate, 9, pre-embedded steel bars, 10, a mounting hole, 11 and a mounting groove.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.

The utility model discloses a concrete implementation mode is: as shown in fig. 1-3, a device for mounting and fixing a pre-stressed shock absorber outside a bridge body comprises a shock absorber, a connecting bracket 5, a pre-buried steel plate 8 and pre-buried steel bars 9, wherein the shock absorber comprises two symmetrical cable clamps 1, two ends of each cable clamp 1 are fixedly connected through a reinforcing screw rod 4, a plurality of shock absorbing pipes 3 are arranged in a space formed between the cable clamps 1, a shock absorbing block 2 is arranged between each shock absorbing pipe 3 and each cable clamp 1, the shock absorbing performance is further improved, one end of each connecting bracket 5 is fixedly welded with the reinforcing screw rod 4, the other end of each connecting bracket is welded on the corresponding pre-buried steel plate 8, two lug plates 6 are vertically arranged on the corresponding pre-buried steel plate 8, mounting holes 10 are formed in the lug plates 6, each connecting bracket 5 is an L-shaped plate and comprises a long edge and a short edge, one end of each long edge is vertically connected with the corresponding reinforcing screw rod 4, the other end, and a fixing nut 7 is arranged on the short edge in a penetrating manner and used for fastening the short edge and the ear plate 6, and the embedded steel bars 9 are fixed at the bottom of the embedded steel plate 8.

The utility model discloses further, be equipped with two mounting grooves 11 that link up on the pre-buried steel sheet 9, 6 fixed mounting of otic placode are in mounting groove 11.

The utility model discloses further, the short edge of linking bridge 5 and mounting hole 10 all are equipped with the screw thread of mutually supporting.

The utility model discloses further, otic placode 6 is the T type structure that joint portion and connecting portion are constituteed.

The utility model discloses further, the width of mounting groove 11 is the same with the joint portion and the connecting portion width of otic placode 6, the length of joint portion, mounting groove 11, connecting portion increases in proper order.

The utility model discloses further, still include the floor, the floor is fixed to be set up on the opposite face that linking bridge 5 and otic placode 6 are connected.

While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.

Claims

1. The utility model provides an external prestressing force bumper shock absorber installation fixing device of bridge, includes bumper shock absorber, linking bridge, pre-buried steel sheet and embedded steel bar, the bumper shock absorber includes the cable clamp of two symmetries, the cable clamp both ends are through strengthening screw rod fixed connection, be equipped with the shock attenuation pipe in the space that forms between the cable clamp, be equipped with the snubber block between shock attenuation pipe and the cable clamp, its characterized in that, be equipped with two otic placodes on the pre-buried steel sheet, be equipped with the mounting hole on the otic placode, linking bridge is the L template, including long limit and minor face, the vertical and the strengthening screw rod of long limit one end is connected, and the other end is as an organic whole structure with the minor face is perpendicular, the minor face passes the mounting hole and is connected with the otic placode, wear to be equipped with fixation nut on the minor face.

2. The device for installing and fixing the external prestressed shock absorber of the bridge as claimed in claim 1, wherein the embedded steel plate is provided with two through installation grooves, and the ear plate is fixedly installed in the installation grooves.

3. The device for installing and fixing the external prestressed shock absorber of the bridge as claimed in claim 2, wherein the short sides of the connecting brackets and the installation holes are provided with mutually matched threads.

4. The device for installing and fixing the external prestressed shock absorber of the bridge as claimed in claim 3, wherein the ear plate is a T-shaped structure consisting of a clamping portion and a connecting portion.

5. The device for installing and fixing the external prestressed shock absorber of the bridge as claimed in claim 4, wherein the width of the installation groove is the same as the width of the clamping portion and the connecting portion of the ear plate, and the lengths of the clamping portion, the installation groove and the connecting portion are sequentially increased.

6. The device for installing and fixing the external prestressed shock absorber of the bridge as claimed in claim 1, further comprising a ribbed plate, wherein the ribbed plate is fixedly arranged on the opposite surface of the connecting bracket connected with the ear plate.