Anchoring device of bridge support

By adopting a combined structure of upper lining plate, lower lining plate, buffer pad and locking element in the bridge bearing, the problem of poor seismic performance of traditional bridge bearing anchorage devices is solved, and the stable connection and seismic performance of the bridge structure are improved.

CN223853161UActive Publication Date: 2026-01-30CHINA RAILWAY 17 BUREAU GRP NO 6 ENG +2
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Patent Information

Application Number
CN202520442529.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-30
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Traditional bridge bearing anchorage devices have poor seismic performance.

Method used

The bridge adopts a combination structure of upper lining plate, lower lining plate, buffer pad, connecting plate and locking component. The upper lining plate and lower lining plate are fixed by concrete pouring, and the locking component's locking rod, outer shell, clip, spring and damping pad are used to achieve tight contact of the bridge structure and improve seismic performance.

Benefits of technology

It improves the seismic performance of bridge bearings, adapts to the slight deformation of bridge structures caused by temperature and load changes, maintains close contact between the bearings and the piers or abutments, and enhances the stability and seismic resistance of the connection.

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Abstract

The anchoring device of the bridge support comprises an upper lining plate, a lower lining plate, a buffering cushion, a connecting plate and a locking piece, the upper lining plate and the lower lining plate are oppositely arranged up and down, and the buffering cushion is installed between the upper lining plate and the lower lining plate; the upper lining plate is fixed to the bottom of a bridge floor in a concrete pouring mode, the lower lining plate is fixed to the supporting seat body, the buffering pad between the upper lining plate and the lower lining plate is used for dispersing and buffering the pressure of the bridge floor, and the situation that when the bridge floor applies force to the supporting seat, the supporting seat bears pressure loads is avoided; one end of the bottom of the lock rod is inserted into the two connecting blocks, under the cooperation of the annular groove and the protruding part, the screw rod is difficult to pull out from the outer shell, and under the cooperation of the spring and the damping gasket in the outer shell, tiny deformation of a bridge structure caused by temperature changes, load changes and the like can be adapted; and the close contact between the support and the bridge pier or the bridge abutment is kept.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge support anchoring field especially relates to a kind of anchoring device of bridge support. BACKGROUND

[0002] Traditional bridge support anchoring device is mostly connected by bolt, anchor rod etc., and the anchoring device of bridge support and bridge support of announcement No.CN114197300A are disclosed, the device is connected by passing through support fastener and hole anchoring device in hole in support hole position in the process of using, the anchoring of bridge support is realized, and the device has the problem of poor anti-seismic performance. SUMMARY

[0003] (One) technical problem to be solved

[0004] In order to solve the above problems of prior art, the utility model provides a kind of anchoring device of bridge support.

[0005] (Two) technical scheme

[0006] In order to achieve the above purpose, the main technical scheme adopted by the utility model includes:

[0007] A kind of anchoring device of bridge support, including upper lining plate, lower lining plate, buffer pad, connecting plate and locking piece;

[0008] The upper lining plate and lower lining plate are arranged oppositely;

[0009] The buffer pad is installed between the upper lining plate and lower lining plate;

[0010] The upper lining plate and lower lining plate are provided with the connecting plate on both sides;

[0011] The locking piece is used to connect the connecting plate on the same side, and the locking piece includes lock rod, outer shell, clamping block, spring and damping washer;

[0012] The top end of the lock rod is fixedly connected with the bottom of the connecting plate on the side of the upper lining plate, and the surface of the bottom end of the rod body is recessed with annular groove;

[0013] The outer shell is fixedly installed on the connecting plate on the side of the upper lining plate;

[0014] The clamping block includes two connecting blocks, and the two connecting blocks are oppositely arranged on both sides of the bottom of screw rod and installed in the outer shell, and the inner wall of the connecting block is provided with protruding portion corresponding to the annular groove;

[0015] The damping washer is arranged on both sides of the inner wall of the outer shell;

[0016] The spring is provided with two groups, which are oppositely arranged in the outer shell body, one end of the spring is connected with the damping washer, and the other end of the spring is connected with the connecting block.

[0017] The top opening of the outer shell body is provided with a closing plate, and a movable hole is formed in the closing plate.

[0018] Preferably, the upper lining plate and the lower lining plate are both in the shape of an inverted I-beam in cross section, and a plurality of steel bars are arranged on the upper surface of the upper lining plate and the bottom surface of the lower lining plate.

[0019] Preferably, the connecting plate comprises an L-shaped connecting plate and a buckle part, the buckle part is fixed on the top of the vertical part of the L-shaped connecting plate, the buckle part is used for connecting the protrusion on the side of the upper lining plate or the lower lining plate, and the locking member is arranged on the horizontal part of the L-shaped connecting plate.

[0020] Preferably, the buckle part is provided with a plurality of protruding blocks on the bottom, and the upper lining plate or the lower lining plate is provided with a limiting groove corresponding to the protruding blocks.

[0021] Preferably, the buckle part is fixed on the upper lining plate or the lower lining plate through bolts.

[0022] Preferably, the front and rear side walls in the outer shell body are oppositely provided with limiting clamping blocks, and the connecting blocks are oppositely arranged on the two sides of the limiting clamping blocks.

[0023] (Three) beneficial effects

[0024] The utility model discloses beneficial effects are in that: adopt above -mentioned technical scheme, through the mode of concrete pouring, fix the upper lining plate at the bottom of bridge floor, fix the lower lining plate on the support seat body, and the buffer pad between the upper lining plate and the lower lining plate is used for dispersing and buffering the pressure of bridge floor, avoid the pressure load that the support seat bears when bridge floor exerts force to the support seat, when the locking member connects the lining plate and the lower lining plate, inserts the bottom one end of lock bar into two connecting blocks, under the cooperation of annular recess and protruding portion, make that the screw rod is difficult to pull out from the outer shell body, and under the cooperation of the spring and the damping washer in the outer shell body, can adapt to the slight deformation of bridge structure caused by temperature change, load change and the like, keep the close contact between support and pier or abutment. ACCURACY OF DRAWINGS

[0025] Figure 1 It is a kind of bridge support's anchoring device's structural schematic view;

[0026] Figure 2 It is a kind of bridge support's anchoring device's main view structural schematic view;

[0027] Figure 3 It is the structural schematic of locking member Figure 1 ;

[0028] Figure 4 Structure diagram of locking member Figure 2 .

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, upper lining plate;

[0031] 2, lower lining plate;

[0032] 3, cushion pad;

[0033] 4, steel bar;

[0034] 5, connecting plate; 51, L-shaped connecting plate; 52, buckle part;

[0035] 6, locking member;

[0036] 61, locking rod; 62, closing plate; 63, spring; 64, clamping block; 65, outer shell; 66, damping washer; 67, limiting clamping block. DETAILED DESCRIPTION

[0037] In order to better explain the utility model, so as to facilitate understanding, the following will be combined with the drawings, through specific embodiments, the utility model is described in detail.

[0038] Please refer to Figures 1 to 4 The utility model provides a kind of anchoring device of bridge support, including upper lining plate 1, lower lining plate 2, cushion pad 3, connecting plate 5 and locking member 6;

[0039] Upper lining plate 1 and lower lining plate 2 are arranged oppositely up and down;

[0040] Cushion pad 3 is installed between upper lining plate 1 and lower lining plate 2;

[0041] Upper lining plate 1 and lower lining plate 2 are provided with connecting plate 5 on both sides;

[0042] Locking member 6 is used to connect the connecting plate 5 of same side, and locking member 6 includes locking rod 61, outer shell 65, clamping block 64, spring 63 and damping washer 66;

[0043] The top end of locking rod 61 is fixedly connected with the bottom of connecting plate 5 on the side of upper lining plate 1, and annular groove is recessed on the surface of the end of the rod body close to the bottom;

[0044] Outer shell 65 is fixedly installed on the connecting plate 5 on the side of upper lining plate 1;

[0045] Clamping block 64 includes two connecting blocks, and the two connecting blocks are oppositely arranged on the two sides of the bottom of screw rod and are installed in outer shell 65, and the inner wall of connecting block is provided with protruding part corresponding to annular groove;

[0046] The damping pad 66 is arranged on both sides of the inner wall of the outer shell 65;

[0047] The spring 63 is arranged in two groups and is oppositely arranged in the outer shell 65, one end of the spring 63 is connected with the damping pad 66, and the other end of the spring 63 is connected with the connecting block;

[0048] The outer shell 65 is provided with a closing plate 62 at the top opening, and the closing plate 62 is provided with a movable hole;

[0049] In use, the upper lining plate 1 is fixed on the bottom of the bridge deck by means of concrete pouring, the lower lining plate 2 is fixed on the support seat body, the buffer pad 3 between the upper lining plate 1 and the lower lining plate 2 is used for dispersing and buffering the pressure of the bridge deck, the pressure load borne by the support seat when the bridge deck exerts force on the support seat is avoided, when the locking piece 6 connects the lining plate and the lower lining plate 2, the bottom end of the locking rod 61 is inserted into the two connecting blocks, under the cooperation of the annular groove and the protruding portion, the screw rod is difficult to be pulled out of the outer shell 65, and under the cooperation of the spring 63 and the damping pad 66 in the outer shell 65, the small deformation of the bridge structure caused by temperature change, load change and the like can be adapted, and the close contact between the support and the pier or the abutment is maintained.

[0050] In the embodiment, the cross sections of the upper lining plate 1 and the lower lining plate 2 are both horizontally arranged I-shaped, the upper surface of the upper lining plate 1 and the bottom surface of the lower lining plate 2 are both provided with a plurality of steel bars 4, and the steel bars 4 are arranged to be connected with the bridge deck or the support seat body by means of concrete pouring.

[0051] In the embodiment, the connecting plate 5 comprises an L-shaped connecting plate 51 and a buckle portion 52, the buckle portion 52 is fixed at the top of the vertical portion of the L-shaped connecting plate 51, the buckle portion 52 is used for connecting the protrusions on the side of the upper lining plate 1 or the lower lining plate 2, the locking piece 6 is installed on the horizontal portion of the L-shaped connecting plate 51, the bottom of the buckle portion 52 is provided with a plurality of protruding blocks, and the upper lining plate 1 or the lower lining plate 2 is provided with a limiting groove corresponding to the protruding blocks, so that the connecting plate 5 can be stably fixed on the upper lining plate 1 or the lower lining plate 2.

[0052] In the embodiment, the buckle portion 52 is fixed on the upper lining plate 1 or the lower lining plate 2 by means of bolts.

[0053] In the embodiment, the front and rear two side walls in the outer shell 65 are oppositely provided with limiting clamping blocks 67, and the connecting blocks are oppositely arranged on the two sides of the limiting clamping blocks 67, under the limitation of the limiting clamping blocks 67, a certain gap is left between the two limiting clamping blocks 67, so that the locking rod 61 can be more conveniently inserted, and the limiting clamping blocks 67 can cooperate with the spring 63 to fix the connecting blocks.

[0054] The working principle of the utility model is as follows:

[0055] The upper lining plate 1 is fixed on the bottom of the bridge deck by pouring concrete, the lower lining plate 2 is fixed on the support seat body, the buffer pad 3 between the upper lining plate 1 and the lower lining plate 2 is used for dispersing and buffering the pressure of the bridge deck, the pressure load borne by the support seat when the bridge deck exerts force on the support seat is avoided, the locking piece 6 is connected with the lining plate and the lower lining plate 2, one end of the bottom of the locking rod 61 is inserted into the two connecting blocks, the screw rod is difficult to be pulled out from the outer shell body 65 under the cooperation of the annular groove and the protruding part, and the spring 63 and the damping washer 66 in the outer shell body 65 can adapt to the slight deformation of the bridge structure caused by temperature change, load change and the like, and the close contact between the support seat and the pier or the abutment is maintained.

[0056] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0057] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field by using the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

[0058] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. An anchoring device for a bridge bearing, characterized in that, The utility model provides a cushioning pad, it includes upper lining, lower lining, buffer pad, connecting plate and locking piece. The upper lining and the lower lining are oppositely arranged. The buffer pad is installed between the upper lining and the lower lining. The upper lining and the lower lining are provided with the connecting plate on both sides. The locking piece is used for connecting the connecting plate on the same side. The locking piece includes a lock rod, an outer shell, a clamping block, a spring and a damping washer. The lock rod is fixedly connected to the bottom of the connecting plate on the side of the upper lining. The outer shell is fixedly installed on the connecting plate on the side of the upper lining. The clamping block includes two connecting blocks oppositely arranged on the bottom of the screw rod on both sides and installed in the outer shell. The damping washer is arranged on the inner wall of the outer shell on both sides. The spring is arranged in two groups oppositely in the outer shell.

2. An anchoring device for a bridge bearing according to claim 1, characterized in that One end of the spring is connected to the damping washer, and the other end of the spring is connected to the connecting block.

3. An anchoring device for a bridge bearing according to claim 2, characterized in that The top of the outer shell is provided with a closing plate.

4. An anchoring device for a bridge bearing according to claim 3, characterized in that The upper lining and the lower lining are both horizontally arranged I-shaped cross sections.

5. An anchoring device for a bridge bearing according to claim 3, characterized in that The upper surface of the upper lining and the bottom surface of the lower lining are both provided with a plurality of steel bars.

6. An anchoring device for a bridge bearing according to claim 1, characterized in that The connecting plate includes an L-shaped connecting plate and a buckle part. The buckle part is fixed to the top of the vertical part of the L-shaped connecting plate. The buckle part is used for connecting the protrusion on the side of the upper lining or the lower lining. The locking piece is installed on the horizontal part of the L-shaped connecting plate. The buckle part is provided with a plurality of protruding blocks. The upper lining or the lower lining is provided with a limiting groove corresponding to the protruding blocks. The buckle part is fixed to the upper lining or the lower lining by bolts. The front and rear walls of the outer shell are oppositely provided with limiting clamping blocks. The connecting block is oppositely arranged on both sides of the limiting clamping block.

Citation Information

Patent Citations

  • Anchoring device of bridge support, bridge support and installation method of bridge support

    CN114197300A