CN213296043U

CN213296043U - Bridge expansion joint buffer

Info

Publication number: CN213296043U
Application number: CN202021478267.9U
Authority: CN
Inventors: 樊永强
Original assignee: Individual
Current assignee: CCCC Second Highway Engineering Co Ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-05-28
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a bridge expansion joint buffer, includes expansion joint main part and telescopic machanism, the muscle of laying on the fixed being provided with of upside of expansion joint main part, the fixed side embedded bar that is provided with in one side of expansion joint main part, the bottom of expansion joint main part is fixed on the surface and is provided with down embedded bar, the fixed protruding piece spare in being provided with in the inside surface intermediate position of expansion joint main part, the inside of expansion joint main part is provided with the frame, the inside of frame slides and is provided with telescopic machanism, telescopic machanism's the fixed rotation piece that is provided with down on the inside surface. The utility model discloses an interior protruding piece has been installed additional in the inside of expansion joint main part to spring part has been connected between the inside of telescopic machanism and interior protruding piece, has let interior protruding piece and telescopic machanism between rotate and has set up flexible member, let the buffering effect between it more effective, solved the buffering effect that plays that can not be fine, the structure is complicated, problem that economic practicality is not high.

Description

Bridge expansion joint buffer

Technical Field

The utility model relates to a bridge expansion joint technical field especially relates to a bridge expansion joint buffer.

Background

Bridge expansion joints: it is referred to that in order to meet the requirement of deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected. The function of bridge expansion joint: consists in adjusting the displacements and couplings between the superstructure caused by the vehicle loads and the bridge construction materials. Once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.

The traditional bridge expansion joint buffer device has certain defects when in use, cannot well play a buffering effect, and has a complex structure and low economic practicality.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a bridge expansion joint buffer has solved the buffering effect that plays that can not be fine, and the structure is complicated, problem that economic practicality is not high.

(II) technical scheme

The utility model provides a bridge expansion joint buffer device, which comprises an expansion joint main body and a telescopic mechanism, wherein the upper side of the expansion joint main body is fixedly provided with an upper laying rib, one side of the expansion joint main body is fixedly provided with a side embedded bar, the bottom surface of the expansion joint main body is fixedly provided with a lower embedded bar, the middle position of the inner surface of the expansion joint main body is fixedly provided with an inner convex block piece, the inner part of the expansion joint main body is provided with an outer frame, the inner part of the outer frame is provided with the telescopic mechanism in a sliding way, the inner surface of the telescopic mechanism is fixedly provided with a lower rotating block, the surface of the inner convex block piece is fixedly provided with an upper rotating block, a telescopic rod piece is rotatably arranged between the upper rotating block and the lower rotating block, a spring piece is connected between one end of the inner convex block piece and the inner surface of the telescopic mechanism, the upper surface, and a transverse rib is arranged between the outer anchor rib and the upper laying rib.

Preferably, an adhesive tape is arranged inside the upper end of the telescopic mechanism.

Preferably, the inner size of the outer frame is matched with the bottom of the telescopic mechanism.

Preferably, the length value of the inner convex block piece is smaller than that of the expansion joint main body.

Preferably, the height value of the expansion joint main body is larger than the height value of the bottom of the expansion mechanism.

Preferably, the thickness value of the inner convex block piece is smaller than the depth value inside the telescopic mechanism.

Preferably, it is provided with a plurality ofly on the surface of expansion joint main part to go up to lay muscle, side embedded steel bar and lower embedded steel bar to the interval value equals between.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: interior protruding piece has been installed additional through the inside at the expansion joint main part to spring part has been connected between inside and interior protruding piece of telescopic machanism, let rotate between interior protruding piece and the telescopic machanism and set up flexible member, let the buffering effect between it more effective.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of a bridge expansion joint buffer device.

Fig. 2 is the utility model provides a structural schematic diagram on bridge expansion joint buffer right side.

Fig. 3 is a front view of the structure of the buffer device for bridge expansion joint.

Reference numerals: 1. an expansion joint main body; 2. an inner boss member; 3. embedding reinforcing steel bars laterally; 4. embedding steel bars downwards; 5. a telescopic rod member; 6. a lower rotation block; 7. an outer frame; 8. an adhesive tape; 9. a telescoping mechanism; 10. outer anchor bars; 11. a transverse rib; 12. paving ribs on the steel plate; 13. an upper rotating block; 14. a spring member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figures 1-3, the utility model provides a bridge expansion joint buffer device, which comprises an expansion joint main body 1 and a telescopic mechanism 9, wherein an upper laying rib 12 is fixedly arranged on the upper side of the expansion joint main body 1, a side embedded steel bar 3 is fixedly arranged on one side of the expansion joint main body 1, a lower embedded steel bar 4 is fixedly arranged on the bottom surface of the expansion joint main body 1, an inner convex block 2 is fixedly arranged on the middle position of the inner surface of the expansion joint main body 1, an outer frame 7 is arranged inside the expansion joint main body 1, a telescopic mechanism 9 is slidably arranged inside the outer frame 7, a lower rotating block 6 is fixedly arranged on the inner surface of the telescopic mechanism 9, an upper rotating block 13 is fixedly arranged on the surface of the inner convex block 2, a telescopic rod 5 is rotatably arranged between the upper rotating block 13 and the lower rotating block 6, and a spring part 14 is connected between one end of the inner convex block 2, fixed outer anchor 10 that is provided with on telescopic machanism 9's the upper end surface, be provided with horizontal muscle 11 between outer anchor 10 and the last muscle 12 of laying, the inside adhesive tape 8 that is provided with in upper end of telescopic machanism 9, cooperate between the inside size of frame 7 and telescopic machanism 9's the bottom, the length value of interior boss spare 2 is less than the length value of expansion joint main part 1, the height value of expansion joint main part 1 is greater than the volume height value of telescopic machanism 9's bottom, the thickness value of interior boss spare 2 is less than the inside degree of depth value of telescopic machanism 9, lay muscle 12 on, side embedded steel bar 3 and lower embedded steel bar 4 are provided with a plurality ofly on expansion joint main part 1's the surface, and interval value.

The utility model discloses in, through at expansion joint main part 1's inside installed interior convex block spare 2 additional to spring part 14 has been connected between the inside of telescopic machanism 9 and interior convex block spare 2, let rotate between interior convex block spare 2 and the telescopic machanism 9 and set up flexible member 5, let the buffering effect between it more effective.

During the use, bury expansion joint main part 1 and telescopic machanism 9 respectively in the soil layer of bridge, lay muscle 12, side embedded steel bar 3 and lower embedded steel bar 4 all and have consolidated stability on expansion joint main part 1, moved on frame 7 afterwards and set up telescopic machanism 9, rely on spring part 14 to cushion between telescopic machanism 9 and the interior convex block piece 2 to telescopic rod spare 5 provides the buffering guarantee for the displacement between expansion joint main part 1 and the telescopic machanism 9.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A bridge expansion joint buffer device comprises an expansion joint main body (1) and a telescopic mechanism (9), and is characterized in that an upper laying rib (12) is fixedly arranged on the upper side of the expansion joint main body (1), a side embedded steel bar (3) is fixedly arranged on one side of the expansion joint main body (1), a lower embedded steel bar (4) is fixedly arranged on the surface of the bottom of the expansion joint main body (1), an inner convex block piece (2) is fixedly arranged on the middle position of the inner surface of the expansion joint main body (1), an outer frame (7) is arranged inside the expansion joint main body (1), the telescopic mechanism (9) is slidably arranged inside the outer frame (7), a lower rotating block (6) is fixedly arranged on the inner surface of the telescopic mechanism (9), an upper rotating block (13) is fixedly arranged on the surface of the inner convex block piece (2), and a telescopic rod piece (5) is rotatably arranged between the upper rotating block (13) and the lower rotating block (6), a spring piece (14) is connected between one end of the inner convex block piece (2) and the inner surface of the telescopic mechanism (9), an outer anchor bar (10) is fixedly arranged on the upper end surface of the telescopic mechanism (9), and a transverse bar (11) is arranged between the outer anchor bar (10) and the upper laying bar (12).

2. The buffer device for bridge expansion joints according to claim 1, wherein the upper end of the telescopic mechanism (9) is internally provided with an adhesive tape (8).

3. The buffer device for bridge expansion joints according to claim 1, wherein the inner size of the outer frame (7) is matched with the bottom of the telescoping mechanism (9).

4. The buffer device for bridge expansion joint according to claim 1, wherein the length of the inner convex block member (2) is smaller than the length of the expansion joint body (1).

5. The buffer device for bridge expansion joint according to claim 1, wherein the height of the expansion joint body (1) is greater than the height of the bottom of the expansion mechanism (9).

6. A buffer device for bridge expansion joints according to claim 1 wherein the thickness of the inner cam member (2) is less than the depth of the interior of the telescoping mechanism (9).

7. The buffer device for the bridge expansion joint as claimed in claim 1, wherein the upper laying bars (12), the side embedded bars (3) and the lower embedded bars (4) are provided in plurality on the surface of the expansion joint main body (1), and the spacing values between the upper laying bars, the side embedded bars and the lower embedded bars are equal.