Damping tensile bridge support

The bridge bearing design with a double spring structure solves the problem of insufficient load-bearing capacity of traditional bearings, achieves more stable support and shock absorption, reduces vibration and noise of the bridge system, and extends service life.

CN223660630UActive Publication Date: 2025-12-12HUAZHONG UNIV OF SCI & TECH
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Patent Information

Application Number
CN202423110282.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-12
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Traditional vibration-damping and tensile bridge bearings have limited load-bearing capacity, which cannot meet the needs of large or heavy-load bridges. Furthermore, they cannot provide stable support when the load changes, which can easily lead to resonance and vibration.

Method used

It adopts a double spring structure, including a support plate, support base, shock absorber rod and arc-shaped shock absorber rod. The first and second springs absorb energy by deforming under external force, providing stable support and shock absorption effect. It is fixed by fixing cylinder and bolt connection.

Benefits of technology

It effectively absorbs external impacts, reduces vibration and noise, extends service life, enhances system stability and safety, and reduces spring fatigue and wear.

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Abstract

The utility model relates to the technical field of bridge supports, and discloses a damping tensile bridge support which comprises a supporting plate, a supporting seat, a damping rod and an arc-shaped damping rod, a fixing cylinder is fixed in the supporting seat, a fixing rod is connected to the fixing cylinder in a penetrating mode, the damping rod is installed in the fixing cylinder in a sliding mode, and a first spring is connected to the damping rod in a sleeved mode. The upper end of the damping rod is in threaded connection with a supporting plate in cooperation with a first bolt, two arc-shaped damping rods are installed on the two sides of the upper end of a supporting base, and when the external force disappears, the damping rod is fixed to the supporting base. The upper end of the arc-shaped damping rod is matched with a second bolt to be in threaded connection with the supporting plate, and the two ends of the supporting seat are provided with installation holes with symmetrical original points to be matched with bolts to fix the supporting seat at the position needing to be set.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge bearing technical field, concretely is a shock absorption tensile bridge bearing. BACKGROUND

[0002] Bridge bearing is the main part for supporting bridge, ensures that bridge keeps stable when being stressed, it connects the superstructure and substructure of bridge structure and provides support and stability between both, disperses and transmits vertical load and horizontal force, bridge bearing usually will select different types according to the design, structure and use of bridge.

[0003] Traditional shock absorption tensile bridge bearing has limited carrying capacity, for large bridge or heavy load bridge, traditional bearing can not satisfy the carrying demand of it, the utility model adopts double spring, can more effectively absorb vibration from different sources, provides more extensive shock absorption effect, can provide more stable support when load changes, can reduce the resonance frequency of system, reduces intense vibration and noise, enhances the comfort and safety of system, disperses load, reduces the fatigue and wear of single spring, thereby prolongs the service life of shock absorption system, for this, we propose a shock absorption tensile bridge bearing. SUMMARY

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a shock absorption tensile bridge bearing, which solves the above problems.

[0006] (II) technical scheme

[0007] To achieve the above purposes, the utility model provides the following technical scheme: a shock absorption tensile bridge bearing, including support plate, support seat, shock absorption rod and arc shock absorption rod, the inside of support seat is fixed with fixed cylinder, the fixed cylinder is connected with fixed rod penetrating, the inside of fixed cylinder is slidably installed with shock absorption rod, the first spring is sleeved on the shock absorption rod, and the fixed rod is installed in the inside of fixed cylinder penetrating the shock absorption rod, the upper end of shock absorption rod is connected with support plate by first bolt threadedly, two arc shock absorption rods are installed on the upper end of support seat, the upper end of arc shock absorption rod is connected with support plate by second bolt threadedly, and a plurality of installation holes symmetrical with each other are formed in the both ends of support seat.

[0008] Preferably, the inside of support seat is provided with a rectangular connecting groove, the connecting groove is fixedly installed with a cylindrical fixed cylinder which is origin-symmetric, the fixed cylinder is provided with a penetrating fixed hole, and the lower end of fixed cylinder penetrates the bottom of support seat.

[0009] Preferably, a rectangular sliding hole is formed in the cylindrical surface of the lower end of the damping rod, a first spring is sleeved on the outer cylindrical surface of the lower end of the damping rod, the lower end of the damping rod is installed in the fixed cylinder, and the fixed rod is slidably connected in sequence corresponding to the fixed hole and the rectangular sliding hole, so that the force generated by external force is absorbed, part of energy is absorbed, and impact force is reduced.

[0010] Preferably, a connecting disc in the shape of a disc is fixed to the upper end of the damping rod, a plurality of threaded holes are formed in the connecting disc, a plurality of threaded holes symmetric to the origin are formed in the top end face of the inner bottom end of the supporting plate, and the threaded holes in the connecting disc are threadedly connected with the threaded holes in the top end of the supporting plate by means of first bolts.

[0011] Preferably, damping holes in the shape of a rectangle symmetric to the origin are formed in the upper ends of the two sides of the supporting base, second springs are installed in the damping holes, damping pad rings in the shape of a ring are fixed to the lower ends of the arc-shaped damping rods, the damping pad rings are installed in the damping holes, and the bottom ends of the damping pad rings are attached to the upper ends of the second springs.

[0012] Preferably, the arc-shaped damping rods are symmetric to each other in the shape of an arc, connecting discs in the shape of a ring are fixed to the upper end faces of the two sides of the arc-shaped damping rods, a plurality of threaded holes are formed in the connecting discs, a plurality of threaded holes symmetric to the origin are formed in the lower end of the supporting plate, and the threaded holes in the connecting discs are threadedly connected with the threaded holes in the lower end of the supporting plate by means of second bolts.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the damping and tensile bridge support provided by the utility model has the following beneficial effects:

[0015] 1. The damping and tensile bridge support is fixed at a required position by cooperation of the mounting holes in the two sides of the supporting base and bolts, a damping rod is installed in the fixed cylinder on the supporting base, a first spring is sleeved on the damping rod, a fixed rod is slidably connected in sequence corresponding to the fixed hole in the fixed cylinder and the rectangular sliding hole on the cylindrical surface below the damping rod, and the upper end of the damping rod is threadedly connected with the inner bottom end of the supporting plate by means of first bolts.

[0016] 2. When the upper end of the supporting plate supports a heavy object, the first spring is elastically deformed when subjected to external force, part of energy is absorbed, the vibration of the object is slowed down, impact force is reduced, the spring returns to the original shape and position after the external force disappears, the absorbed energy is released, and the continuous vibration is reduced.

[0017] 3、The shock-absorbing and tensile bridge support, the inner part of the shock-absorbing hole on the upper end of the support seat is respectively provided with a second spring and an arc-shaped shock-absorbing rod, the support plate is threadedly connected to the upper end of the connecting disc on the two sides of the arc-shaped shock-absorbing rod through the second bolt, and the lower end of the arc-shaped shock-absorbing rod is arranged in the shock-absorbing hole, so that the double springs can provide more stable support when the load changes, when the object is impacted, the outer spring can be responsible for preliminary shock absorption, and the inner spring can provide more detailed adjustment and support. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model;

[0020] Figure 3 It is a structural sectional view of the utility model;

[0021] Figure 4 It is a structural sectional view of the utility model;

[0022] Figure 5 It is a structural schematic view of the support seat of the utility model;

[0023] Figure 6 It is a structural schematic view of the shock-absorbing rod and the first spring of the utility model;

[0024] Figure 7 It is a structural schematic view of the arc-shaped shock-absorbing rod of the utility model.

[0025] In the figure: 1, support plate; 2, support seat; 3, fixed cylinder; 4, first spring; 5, shock-absorbing rod; 6, fixed rod; 7, arc-shaped shock-absorbing rod; 8, first bolt; 9, second bolt; 10, second spring; 11, connecting groove; 12, fixed hole; 13, shock-absorbing hole; 14, mounting hole; 15, rectangular sliding hole; 16, connecting disc; 17, shock-absorbing grommet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-7The utility model provides a kind of shock-absorbing tensile bridge support, including support plate 1, support seat 2, shock-absorbing rod 5 and arc shock-absorbing rod 7, fixed cylinder 3 is fixed in the inside of support seat 2, fixed rod 6 is connected with penetration on fixed cylinder 3, shock-absorbing rod 5 is slidably installed in the inside of fixed cylinder 3, first spring 4 is sleeved on shock-absorbing rod 5, and fixed rod 6 is installed in the inside of fixed cylinder 3 with penetration shock-absorbing rod 5, the upper end of shock-absorbing rod 5 is connected with first bolt 8 with the cooperation of support plate 1 threadedly, two arc shock-absorbing rods 7 are installed on the upper end of support seat 2 both sides, the upper end of arc shock-absorbing rod 7 is connected with support plate 1 threadedly with the cooperation of second bolt 9, and multiple groups of installation holes 14 that are mutually symmetrical are set up in the both ends of support seat 2.

[0028] Further, the inside of support seat 2 is provided with a rectangular connecting groove 11, the fixed cylinder 3 in the form of origin symmetry is fixedly installed on the connecting groove 11, the fixed hole 12 is formed on the fixed cylinder 3, and the lower end of the fixed cylinder 3 penetrates the bottom of the support seat 2.

[0029] Further, the cylindrical surface on the lower end of the shock-absorbing rod 5 is provided with a rectangular sliding hole 15, the first spring 4 is sleeved on the outer cylindrical surface of the lower end of the shock-absorbing rod 5, the lower end of the shock-absorbing rod 5 is installed in the inside of the fixed cylinder 3, and the fixed rod 6 is slidably connected with the fixed hole 12 and the rectangular sliding hole 15 in sequence, so as to absorb the force generated by external force, absorb part of energy, and reduce impact force.

[0030] Further, the upper end of the shock-absorbing rod 5 is fixedly provided with a connecting disc in the form of a disc, a plurality of threaded holes are formed on the connecting disc, a plurality of threaded holes in the form of origin symmetry are formed on the top end face in the inside of the lower end of the support plate 1, and the threaded holes on the connecting disc are threadedly connected with the threaded holes on the top end of the support plate 1 with the cooperation of the first bolt 8.

[0031] Further, the upper end of the support seat 2 is provided with the shock-absorbing hole 13 in the form of origin symmetry and rectangle, the second spring 10 is installed in the inside of the shock-absorbing hole 13, the shock-absorbing pad ring 17 in the form of a ring is fixedly arranged on the lower end of the arc shock-absorbing rod 7, the shock-absorbing pad ring 17 is installed in the inside of the shock-absorbing hole 13, and the bottom end of the shock-absorbing pad ring 17 is attached to the upper end of the second spring 10.

[0032] Further, the arc shock-absorbing rod 7 is symmetrically arc-shaped on both sides, the connecting disc 16 in the form of a ring is fixedly arranged on the upper end face on both sides of the arc shock-absorbing rod 7, a plurality of threaded holes are formed on the connecting disc 16, the threaded holes in the form of origin symmetry are formed on both sides of the lower end of the support plate 1, and the threaded holes on the connecting disc 16 are threadedly connected with the threaded holes on the lower end of the support plate 1 with the cooperation of the second bolt 9.

[0033] Working principle: cooperate with the mounting hole 14 of support seat 2 both sides cooperate bolt fixedly fixed in the position to be set, the fixed cylinder 3 on the support seat 2 is internally mounted with shock absorber 5, the shock absorber 5 is sleeved with first spring 4, fixed rod 6 is successively corresponded with fixed hole 12 on fixed cylinder 3 and the rectangular sliding hole 15 on the cylindrical surface below shock absorber 5 sliding connection, the upper end of shock absorber 5 cooperates with first bolt 8 and support plate 1 lower end internal thread connection, when the support plate 1 upper end supports a heavy object, the elasticity of first spring 4 is deformed when subjected to external force, absorbs part of the energy to slow down the vibration of the object, reduces the impact force, when the external force disappears, the spring will restore to the original shape and position, release the absorbed energy, help to reduce the sustained vibration, the inner portion of shock absorbing hole 13 on the upper end of support seat 2 is respectively installed with second spring 10 and arc shock absorber 7, the upper end of connecting disc 16 on both sides of arc shock absorber 7 is cooperated with second bolt 9 and is installed with support plate 1, and the lower end 17 of arc shock absorber 7 is installed in the interior of shock absorbing hole 13, the double spring can provide more stable support when the load changes, when the object is impacted, the outer spring may be responsible for the preliminary shock absorption, and the inner spring provides more detailed adjustment and support.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vibration-damping and tensile-resistant bridge bearing, comprising a support plate (1), a support base (2), a damping rod (5), and an arc-shaped damping rod (7), characterized in that: The support base (2) has a fixed cylinder (3) inside, and a fixed rod (6) is connected through the fixed cylinder (3). A shock absorber (5) is slidably installed inside the fixed cylinder (3). A first spring (4) is sleeved on the shock absorber (5), and the fixed rod (6) passes through the shock absorber (5) and is installed inside the fixed cylinder (3). The upper end of the shock absorber (5) is threadedly connected to the support plate (1) with a first bolt (8). Two arc-shaped shock absorbers (7) are installed on both sides of the upper end of the support base (2). The upper end of the arc-shaped shock absorber (7) is threadedly connected to the support plate (1) with a second bolt (9). Multiple sets of mounting holes (14) are opened at both ends of the support base (2).

2. The vibration-damping and tensile-resistant bridge bearing according to claim 1, characterized in that: The support base (2) has a rectangular connecting groove (11) inside. A cylindrical fixing cylinder (3) symmetrical about the origin is fixedly installed on the connecting groove (11). A through fixing hole (12) is opened on the fixing cylinder (3), and the lower end of the fixing cylinder (3) penetrates the bottom of the support base (2).

3. A vibration-damping and tensile-resistant bridge bearing according to claim 2, characterized in that: The lower end of the shock absorber (5) has a rectangular sliding hole (15) through it on the cylindrical surface. A first spring (4) is sleeved on the outer cylindrical part of the lower end of the shock absorber (5). The lower end of the shock absorber (5) is installed inside the fixed cylinder (3). The fixed rod (6) is slidably connected to the fixed hole (12) and the rectangular sliding hole (15) in sequence.

4. A vibration-damping and tensile-resistant bridge bearing according to claim 3, characterized in that: The upper end of the shock absorber (5) is fixed with a disc-shaped connecting plate. The connecting plate has multiple threaded holes. The inner top surface of the lower end of the support plate (1) has multiple threaded holes symmetrically arranged at the origin. The threaded holes on the connecting plate correspond to the threaded holes at the top of the support plate (1) and are threadedly connected to the first bolt (8).

5. A vibration-damping and tensile-resistant bridge bearing according to claim 1, characterized in that: The upper ends of both sides of the support base (2) are provided with rectangular shock-absorbing holes (13) that are symmetrical about the origin. A second spring (10) is installed inside the shock-absorbing hole (13). A circular shock-absorbing pad (17) is fixed at the lower end of the arc-shaped shock-absorbing rod (7). The shock-absorbing pad (17) is installed inside the shock-absorbing hole (13), and the bottom end of the shock-absorbing pad (17) is in contact with the upper end of the second spring (10).

6. A vibration-damping and tensile-resistant bridge bearing according to claim 5, characterized in that: The arc-shaped shock absorber (7) is symmetrical on both sides and has an arc shape. A ring-shaped connecting plate (16) is fixed on the upper end face of both sides of the arc-shaped shock absorber (7). Multiple threaded holes are opened on the connecting plate (16). Threaded holes with symmetrical origins are opened on both sides of the lower end of the support plate (1). The threaded holes on the connecting plate (16) are threaded to the lower end of the support plate (1) and are connected by the second bolt (9).