Expansion joint anchoring device
By combining structural elements such as central beam steel, damping plates, and shifting boxes, the pressure exerted on the bridge surface by the concrete structure is alleviated, solving the problem of easy damage to existing devices and achieving higher protection and bridge stability.
Patent Information
- Application Number
- CN202520104847.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-16
AI Technical Summary
The cement structure of existing expansion joint anchoring devices is prone to damage under long-term compression and device action, leading to external leakage.
The system employs a combination structure of central beam steel, damping plate, damping mounting plate, side beam steel, shift box, support beam, damping support spring, and fixing nail. Through the design of rubber strips, slots, sliding connections, and springs, it alleviates the pressure on the bridge surface from the concrete structure, increasing the robustness and protection of the device.
It effectively reduced the damage rate of cement structures, improved the protective effect of the device, prevented leakage, and enhanced the durability and stability of the bridge.
Smart Images
Figure CN223921981U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bridge instrument technical field, more specifically, especially relate to a expansion joint anchoring device. BACKGROUND
[0002] Expansion joint is the accessory of bridge structure that bears the maximum dynamic load, must bear various complex dynamic load or impact, also need to withstand fatigue, wear and tear and chemical and physical erosion, with the development of bridge engineering, expansion joint anchoring device is constantly upgraded and perfected.
[0003] Based on the above, the existing expansion joint anchoring device is buried in the gap in the middle of the bridge, so that the two sides will have the cement structure different from the bridge deck, the cement structure will be damaged under the action of long-term extrusion and device, resulting in the phenomenon of device leakage. UTILITY MODEL CONTENTS
[0004] In order to solve the above technical problems, the utility model provides an expansion joint anchoring device to solve the problem that the existing expansion joint anchoring device will be damaged on both sides of the auxiliary buried cement, resulting in device leakage.
[0005] The utility model discloses an expansion joint anchoring device, which is achieved by the following specific technical means:
[0006] An expansion joint anchoring device, including middle beam section steel, shock absorbing plate, shock absorbing mounting plate, side beam section steel, shift box, support beam, shock absorbing support spring and fixed nail, the both sides of the middle beam section steel are equipped with rubber strips, and the other side of the rubber strip is clamped in the clamping groove on one side of the side beam section steel, so that the middle beam section steel and the side beam section steel are movably connected together, the recess on the top of the outer side of the side beam section steel is clamped and connected with the square protrusion on one side of the bottom of the shock absorbing plate, and the circular hollow column on the bottom of the shock absorbing plate is slidably connected with the circular hollow column on the top surface of the shock absorbing mounting plate, the T-shaped groove in the middle side of the bottom of the shift box is clamped and connected with the support beam, the central groove at both ends of the support beam is movably connected with the shift spring in the circular groove on one side of the shift box, the top of both sides of the support beam is fixedly connected with the compression support, and the compression support is supported on the top surface in the shift box, the fixed nail is screwed in the circular hole in the bottom of the shift box, and the anchor plate is welded on one side of the side beam section steel, and the anchor bar is welded on the surface on one side of the anchor plate.
[0007] Further, the middle beam section steel is provided with a group of rubber strips and side beam section steels on the left and right sides, and a group of clamping grooves are arranged on the two sides of the middle beam section steel and one side of the two groups of side beam section steels, and the two groups of rubber strips are movably connected.
[0008] Further, a group of shift boxes are slidably connected on both sides of the support beam, and a group of T-shaped sliding blocks are arranged on the bottom of the support beam, and the two groups of shift boxes are slidably connected through the T-shaped sliding blocks on the bottom of the support beam.
[0009] Further, the bottom of the shock-absorbing plate and the top of the shock-absorbing mounting plate are provided with circular connecting columns with different diameters, and the circular connecting column of the shock-absorbing plate is telescopically connected in the center hole of the circular connecting column of the top of the shock-absorbing mounting plate.
[0010] Further, the bottom of the shock-absorbing plate and the top of the shock-absorbing mounting plate are provided with circular connecting columns with different diameters, and the circular connecting column of the shock-absorbing plate is telescopically connected in the center hole of the circular connecting column of the top of the shock-absorbing mounting plate.
[0011] Further, the top of the support beam is fixedly connected with the bottom of the middle beam profile steel; and the top of the shift box is fixedly connected with the bottom of the side beam profile steel to support the side beam profile steel.
[0012] Compared with the prior art, the utility model has the advantages of the following:
[0013] 1、 the utility model discloses a shock-absorbing plate is installed to the both sides of the expansion joint anchoring device with the shock-absorbing mounting plate, and the shock-absorbing plate plays a shock-absorbing role on the both sides of the bridge deck, so that the cement on the both sides of the gap is less likely to be damaged.
[0014] 2、 the utility model discloses a support beam, which is more firmly connected with the shift box and will not be deformed due to the damage of the compression support.
[0015] 3、 the utility model discloses a shift spring, which always keeps the support beam in a central position and plays an auxiliary protection role. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is the oblique view structural schematic diagram of the main body of the utility model.
[0017] Figure 2 is the structural schematic diagram of the main device of the utility model.
[0018] Figure 3 is the structural schematic diagram of the inside of the shift box of the utility model.
[0019] Figure 4 is the sectional view structural schematic diagram of the main structure of the utility model.
[0020] Figure 5 is the structural schematic diagram of the shock-absorbing device of the utility model.
[0021] Figure 6 is the sectional view structural schematic diagram of the shock-absorbing device of the utility model.
[0022] Figure 7 is the sectional view structural schematic diagram of the main body of the utility model.
[0023] In the figure, the correspondence between the component names and the figure numbers is:
[0024] 1, middle beam steel; 2, shock absorbing plate; 3, shock absorbing mounting plate; 4, side beam steel; 5, displacement box; 6, support beam; 201, shock absorbing support spring; 401, rubber strip; 402, anchor plate; 403, anchor bar; 501, fixing nail; 601, displacement spring; 602, compression support. DETAILED DESCRIPTION
[0025] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0026] Embodiment:
[0027] As shown in the accompanying Figure 1 to the accompanying Figure 7 :
[0028] The utility model provides a expansion joint anchoring device, including middle beam steel 1, shock absorbing plate 2, shock absorbing mounting plate 3, side beam steel 4, displacement box 5, support beam 6, shock absorbing support spring 201 and fixing nail 501, the both sides of middle beam steel 1 are connected with rubber strip 401, and rubber strip 401 other side is clamped in the clamping groove of one side of side beam steel 4 and is connected together with middle beam steel 1 and side beam steel 4, the recess of the top of side beam steel 4 outside and the square convex strip of one side of the bottom of shock absorbing plate 2 clamping connection, and the circular hollow column of the bottom of shock absorbing plate 2 and the circular hollow column of the top surface of shock absorbing mounting plate 3 sliding connection, the T-shaped groove of the middle side of the bottom of displacement box 5 clamping connection has support beam 6, and the center groove of both ends of support beam 6 and the circular groove of one side of displacement box 5 are movably connected with displacement spring 601, the top of both sides of support beam 6 is fixedly connected with compression support 602, and compression support 602 is supported on the top surface inside displacement box 5, and fixing nail 501 is screwed in the circular hole of the bottom of displacement box 5, one side of side beam steel 4 is welded with anchor plate 402, and anchor bar 403 is welded on the surface of one side of anchor plate 402.
[0029] Among them, middle beam steel 1 left and right sides each has a group of rubber strip 401 and side beam steel 4, and the both sides of middle beam steel 1 and the side of two groups of side beam steel 4 are each provided with a group of clamping recesses, and are movably connected through two groups of rubber strip 401, play waterproof and dirtproof.
[0030] Among them, the both sides of support beam 6 each are slidably connected with a group of displacement box 5, and the bottom of support beam 6 is provided with a group of T-shaped sliding blocks, and two groups of displacement box 5 are slidably connected through the T-shaped sliding block of the bottom of support beam 6, and connect two end bridge beams.
[0031] The bottom of the shock-absorbing plate 2 and the top of the shock-absorbing mounting plate 3 are provided with circular connecting columns with different diameters, and the circular connecting column of the shock-absorbing plate 2 is telescopically connected in the center hole of the circular connecting column of the top of the shock-absorbing mounting plate 3, thereby reducing the stress on the two end faces of the bridge.
[0032] The center hole of the circular connecting column of the bottom of the shock-absorbing plate 2 is movably connected with a shock-absorbing supporting spring 201, and the shock-absorbing supporting spring 201 is movably connected in the center hole of the circular connecting column of the shock-absorbing mounting plate 3, thereby supporting.
[0033] The top middle top surface of the supporting beam 6 is fixedly connected with the bottom of the middle beam steel 1, and the top surface of the displacement box 5 is fixedly connected with the bottom of the side beam steel 4, thereby supporting the side beam steel 4 and mainly controlling the device.
[0034] The specific use mode and effect of the embodiment are as follows:
[0035] In the utility model, the device is buried after the square groove is opened in the middle of the bridge and on both sides, and the anchor plate 402 and the anchor bar 403 on both sides play an important fixing role, and the horizontal reinforcing steel bars are connected in series to increase the firmness, and then the fixing nails 501 at the bottom are fixed into the bridge surface, the shock-absorbing mounting plate 3 on both sides is installed on the bottom surface of the device on both sides, and then the shock-absorbing plate 2 and the shock-absorbing supporting spring 201 are installed, the force is transmitted to the shock-absorbing plate 2 when the vehicle passes, a part of the force is dispersed, the cement structure on both sides of the device is prevented from being damaged due to too much stress, the displacement box 5 is installed on the bridge on both sides, and the bridge moves on the track at the bottom of the supporting beam 6, the rubber strip 401 is connected between the middle beam steel 1 and the side beam steel 4, and plays a waterproof and antifouling role.
[0036] The parts not described in the utility model are the known technology of the person skilled in the art.
Claims
1. An expansion joint anchoring device, characterized by: The utility model provides a kind of shock-absorbing box, including middle beam profile steel (1), shock-absorbing plate (2), shock-absorbing mounting plate (3), side beam profile steel (4), shift box (5), support beam (6), shock-absorbing support spring (201) and fixed nail (501); The middle beam profile steel (1) is movably connected with the side beam profile steel (4) by the rubber strips (401) on both sides of the middle beam profile steel (1) and the side beam profile steel (4). The side beam profile steel (4) is movably connected with the shock-absorbing plate (2) by the groove on the top of the side beam profile steel (4) and the square protrusion on the bottom of the shock-absorbing plate (2). The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6). The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6).
2. A joint anchoring device as defined in claim 1, wherein: The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6).
3. A joint anchoring device as defined in claim 1, wherein: The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6).
4. A joint anchoring device as defined in claim 1, wherein: The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6).
5. A joint anchoring device as defined in claim 1, wherein: The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6).
6. A joint anchoring device as defined in claim 1, wherein: The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6). The support beam (6) is movably connected with the shift box (5) by the T-shaped slot on the bottom of the shift box (5) and the center slot on both ends of the support beam (6).