Shock absorption support for roads and bridges

Abstract

The utility model relates to the technical field of bridge damping supports, in particular to a road bridge damping support which comprises a padstone, a rubber pad is arranged on the upper side of the padstone, installation blocks are fixedly installed on the front side and the rear side of the padstone, two sets of installation blocks are arranged on the same side, and four sets of supporting blocks are movably installed between the two sets of installation blocks. A shielding plate is arranged on the outer side of the rubber pad; the supporting mechanism is arranged on the supporting block, and the supporting mechanism is used for sharing the pressure of the rubber pad; and the damping mechanism is arranged on the supporting block, and the damping mechanism is used for reducing the influence of the vibration of the bridge on the rubber pad. By means of the supporting and damping mechanism capable of carrying out additional supporting and damping on the bridge, the pressure of the rubber pad is reduced, the service life of the rubber pad is prolonged, the supporting and damping modes are enriched, the stability of equipment in use is improved, and in addition, a shielding plate used for shielding is further arranged.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge shock-absorbing supports, in particular to a road bridge shock-absorbing support. Background Art

[0002] In the design and construction of road bridges and building engineering structures, the impact of earthquakes, vibrations, etc. on engineering structures must be taken into account. Bearings are a structural element that is widely used in engineering construction, especially road bridge projects. They not only need to transfer the gravity of the middle structure of bridges and other building structures to the lower structures such as piers and columns, but also require shock absorption and earthquake resistance capabilities. Existing bearings mostly achieve shock absorption through rubber pads, but this shock absorption method is single, and the shock absorption effect is affected by the material and degree of wear of the pads, and is not stable enough. In addition, the existing rubber pads will be affected by wind erosion and water erosion during long-term use, which will affect their actual functions and shorten the service life of the rubber pads. For this reason, we propose a road bridge shock-absorbing bearing to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a road bridge shock-absorbing support to solve the problems of the existing rubber pad shock-absorbing method proposed in the above background technology being relatively simple and being subject to more wind and water erosion.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a road bridge shock-absorbing support, including a cushion stone,

[0005] A rubber pad is provided on the upper side of the cushion stone, and mounting blocks are fixedly installed on the front and rear sides of the cushion stone. There are two groups of mounting blocks on the same side, and four groups of supporting blocks are movably installed between the two groups of mounting blocks. A shielding plate is provided on the outer side of the rubber pad;

[0006] A supporting mechanism, wherein the supporting mechanism is arranged on the supporting block and is used to share the pressure of the rubber pad;

[0007] A shock absorbing mechanism is arranged on the supporting block, and is used to reduce the influence of the vibration of the bridge on the rubber pad.

[0008] Preferably, the shock absorbing mechanism includes a spring telescopic rod, two groups of the spring telescopic rods are fixedly installed in opposite directions in a mounting block, a fixed block is movably installed in the mounting block, the end of the spring telescopic rod is fixedly installed on the fixed block, two groups of support blocks are hinged on the upper side of the fixed block, and the two groups of support blocks on the upper side and the two groups of support blocks on the lower side are hinged through the fixed block.

[0009] Preferably, the supporting mechanism comprises a screw sleeve, the screw sleeve is arranged in the fixing block, and the screw sleeve is connected to the bidirectional screw rod through a threaded sleeve.

[0010] Preferably, a movable rod is movably inserted in the support block, a progress spring is provided in the support block, the progress spring is against the movable rod, a limit block is fixedly installed on the left and right sides of one end of the movable rod, two groups of limit grooves are opened on the inner side of the support block, and the limit block slides in the limit groove.

[0011] Preferably, a flow groove is arranged in an array on one side of the mounting block, and the cross-section of the flow groove is T-shaped.

[0012] Preferably, a shielding sheet is provided at the center of the mounting block, and a flow groove is provided at the center of the shielding sheet.

[0013] Preferably, the two groups of the bidirectional screw rods are fixedly mounted with mounting round blocks, the mounting round blocks are provided with insertion grooves, and the insertion grooves are inserted with rubber rods.

[0014] Preferably, the rubber rod is provided with marking circles in an array, and the intervals between the marking circles are all three centimeters.

[0015] Preferably, a plug hole is provided on the shielding plate, a fixing mechanism is provided at the end of the identification ring, a pressing plate is provided at the end of the shielding plate, a sealing rubber pad is provided on the pressing plate, and the shielding plate is fixed to the rubber rod through the fixing mechanism and the pressing plates are combined.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the utility model reduces the pressure on the rubber pad, increases the service life of the rubber pad, enriches the support and shock absorption methods, and increases the stability of the equipment during use through the support and shock absorption mechanism that can provide additional support and shock absorption to the bridge. In addition, a shielding plate is provided to reduce the degree of erosion of the rubber pad by wind and rain, further increasing the stability of the equipment during use; a rubber rod is also provided, which can not only limit the bidirectional screw, but also can observe whether the supporting effect of the equipment is weakened after a period of use, thereby increasing the convenience of equipment maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

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

[0020] Figure 3 For this utility model Figure 2 A is a partial enlarged schematic diagram;

[0021] Figure 4 It is a structural schematic diagram of the threaded rod of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the waist-round hole of the utility model;

[0023] Figure 6 It is a structural schematic diagram of the plug of the utility model.

[0024] In the figure: 1. cushion stone; 2. rubber pad; 3. mounting block; 4. support block; 5. rubber rod; 6. spring telescopic rod; 7. fixing block; 8. screw sleeve; 9. bidirectional screw; 10. movable rod; 11. process spring; 12. limit block; 13. limit groove; 14. flow groove; 15. shielding piece; 16. mounting round block; 17. insertion groove; 18. identification ring; 19. shielding plate; 20. pressing plate; 21. sealing rubber pad; 22. socket; 23. fixing mechanism; 2301. threaded rod; 2302. waist round hole; 2303. limit disc; 2304. plug. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 The utility model provides an embodiment: a road bridge shock-absorbing support, including a cushion stone 1,

[0027] A rubber pad 2 is arranged on the upper side of the pad 1, and mounting blocks 3 are fixedly installed on the front and rear sides of the pad 1. There are two groups of mounting blocks 3 on the same side, and four groups of supporting blocks 4 are movably installed between the two groups of mounting blocks 3. A shielding plate 19 is arranged on the outer side of the rubber pad 2;

[0028] A supporting mechanism, which is arranged on the supporting block 4 and is used to share the pressure of the rubber pad 2;

[0029] Shock-absorbing mechanism, which is arranged on the support block 4, and is used to reduce the influence of the vibration of the bridge on the rubber pad 2. The device reduces the pressure of the rubber pad 2 through the support and shock-absorbing mechanism, thereby increasing the service life of the rubber pad 2, enriching the support and shock-absorbing methods, and increasing the stability of the device when in use. In addition, a shielding plate 19 is provided for shielding, so that the degree of erosion of the rubber pad 2 by wind and rain is reduced, further increasing the stability of the device when in use;

[0030] Further, the shock absorbing mechanism includes a spring telescopic rod 6, two groups of spring telescopic rods 6 are fixedly installed in opposite directions in the mounting block 3, a fixed block 7 is movably installed in the mounting block 3, the end of the spring telescopic rod 6 is fixedly installed on the fixed block 7, and two groups of support blocks 4 are hinged on the upper side of the fixed block 7, and the two groups of support blocks 4 on the upper side are hinged to the two groups of support blocks 4 on the lower side through the fixed block 7, such as Figure 2 As shown, this structure allows the support block 4 to move left and right to compress the spring telescopic rod 6, thereby reducing shock through the deformation of the spring telescopic rod 6, thereby increasing the functionality of the device when in use.

[0031] Furthermore, the supporting mechanism includes a screw sleeve 8, which is arranged in the fixing block 7 and is connected to the bidirectional screw rod 9 by a threaded sleeve. Figure 2 As shown, this structure allows the angle of the support block 4 to be fixed, thereby increasing the stability of the equipment when in use and providing additional support for the bridge.

[0032] Further, a movable rod 10 is movably inserted in the support block 4, a process spring 11 is arranged in the support block 4, the process spring 11 is against the movable rod 10, and a limit block 12 is fixedly installed on the left and right sides of one end of the movable rod 10, and two sets of limit grooves 13 are opened on the inner side of the support block 4, and the limit block 12 slides in the limit groove 13, such as Figure 3 As shown, this structure allows the support block 4 to be retractable, so that the support block 4 can be deformed under the vibration of the bridge to reduce the damage to the support block 4 caused by the vibration.

[0033] Furthermore, a flow groove 14 is provided on one side of the mounting block 3, and the cross section of the flow groove 14 is T-shaped, such as Figure 3 As shown, this structure makes the mounting block 3 more stable when it is fixed by cement grouting.

[0034] Furthermore, a shielding sheet 15 is provided at the center of the mounting block 3, and a flow slot is provided at the center of the shielding sheet 15. Figure 2 As shown, this structure enables the periphery of the shielding sheet 15 to be stably fixed by internal grouting.

[0035] Furthermore, the two groups of bidirectional screws 9 are fixedly mounted with mounting round blocks 16, and the mounting round blocks 16 are provided with insertion grooves 17, and the insertion grooves 17 are inserted with rubber rods 5, such as Figure 2 As shown, this structure allows the rotation of the bidirectional screw 9 to be fixed, so that the support block 4 will not easily change its angle under vibration, thereby increasing the stability of the device when in use.

[0036] Furthermore, the rubber rod 5 is provided with marking circles 18 in array, and the intervals between the marking circles 18 are all three centimeters. Figure 2 As shown, this structure allows the user to determine whether the bidirectional screw 9 is rotated due to vibration by the distance between the limit blocks 12 after the device has been used for a period of time, so that the bidirectional screw 9 can be rotated again.

[0037] Furthermore, the shielding plate 19 is provided with a plug hole 22, the end of the identification ring 18 is provided with a fixing mechanism 23, the end of the shielding plate 19 is provided with a pressing plate 20, the pressing plate 20 is provided with a sealing rubber pad 21, the shielding plate 19 is fixed to the rubber rod 5 through the fixing mechanism 23 and the pressing plate 20 is combined, as shown in FIG. Figure 1 As shown, this structure enables the shielding plate 19 to be assembled on the rubber rod 5 and shield the rubber pad 2 so that the rubber pad 2 can be well protected.

[0038] Embodiment 1:

[0039] A threaded rod 2301 is fixedly installed at the end of the rubber rod 5, and the threaded rod 2301 is inserted into the insertion hole 22. A screw sleeve 8 is sleeved on the threaded rod 2301. Figure 4 As shown, this structure enables the shielding plate 19 to be stably loaded on the rubber rod 5;

[0040] Embodiment 2:

[0041] A limiting disc 2303 is provided at the end of the rubber rod 5, and two groups of waist-shaped holes 2302 are opened on the shielding plate 19, and the limiting disc 2303 is inserted into the waist-shaped holes 2302. Figure 5 As shown, the oval hole 2302 is in a shape of being larger at the top and smaller at the bottom, and this structure enables the shielding plate 19 to be conveniently loaded on the rubber rod 5;

[0042] Embodiment three:

[0043] The end of the rubber rod 5 is provided with an insertion groove 17, the end of the rubber rod 5 is inserted into the insertion hole 22, and a plug 2304 is inserted into the insertion groove 17. Figure 6 As shown, this structure enables the rubber rod 5 to be conveniently loaded on the rubber rod 5 .

[0044] Working principle: When in use, after installing the rubber pad 2, place the lower mounting block 3 on the pedestal 1, and make the upper mounting block 3 against the bridge, and then rotate the bidirectional screw 9. At this time, the bidirectional screw 9 makes the fixing block 7 relatively close through the threaded action between the screw sleeve 8, thereby realizing the support of the mounting block 3 by the support block 4, and then realizing the support of the bridge by the support block 4. After assembling the equipment, grouting is performed on the shielding sheet 15 to fix the mounting block 3 on the pedestal 1 and the bridge, and then the rubber rod 5 is inserted between the insertion groove 17, and then the shielding plate 19 is fixed to the rubber rod 5 through the fixing mechanism 23 to shield the rubber pad 2. The above is the entire working principle of the utility model.

[0045] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A road bridge shock-absorbing support, comprising a cushion stone (1), Features: A rubber pad (2) is arranged on the upper side of the cushion stone (1); mounting blocks (3) are fixedly installed on the front and rear sides of the cushion stone (1); there are two groups of mounting blocks (3) on the same side; four groups of support blocks (4) are movably installed between the two groups of mounting blocks (3); and a shielding plate (19) is arranged on the outer side of the rubber pad (2); A supporting mechanism, the supporting mechanism being arranged on the supporting block (4), and the supporting mechanism being used to share the pressure of the rubber pad (2); A shock absorbing mechanism is provided on a support block (4), and is used to reduce the influence of vibration of the bridge on the rubber pad (2).

2. A road bridge shock-absorbing bearing according to claim 1, characterized in that: The shock absorbing mechanism comprises a spring telescopic rod (6), two groups of the spring telescopic rods (6) are fixedly mounted oppositely in a mounting block (3), a fixing block (7) is movably mounted in the mounting block (3), the ends of the spring telescopic rods (6) are fixedly mounted on the fixing block (7), two groups of support blocks (4) are hingedly connected on the upper side of the fixing block (7), and the two groups of support blocks (4) on the upper side are hingedly connected to the two groups of support blocks (4) on the lower side through the fixing block (7).

3. The road bridge shock-absorbing bearing according to claim 1, characterized in that: The supporting mechanism comprises a screw sleeve (8), wherein the screw sleeve (8) is arranged in a fixing block (7), and the screw sleeve (8) is connected to a bidirectional screw rod (9) through a thread sleeve.

4. A road bridge shock-absorbing bearing according to claim 1, characterized in that: A movable rod (10) is movably inserted in each of the support blocks (4), a progress spring (11) is arranged in the support block (4), the progress spring (11) abuts against the movable rod (10), a limit block (12) is fixedly installed on the left and right sides of one end of the movable rod (10), two groups of limit grooves (13) are opened on the inner side of the support block (4), and the limit block (12) slides in the limit groove (13).

5. The road bridge shock-absorbing bearing according to claim 1, characterized in that: A flow groove (14) is arranged in an array on one side of the mounting block (3), and the cross section of the flow groove (14) is T-shaped.

6. A road bridge shock-absorbing bearing according to claim 1, characterized in that: A shielding sheet (15) is arranged at the center of the mounting block (3), and a flow groove is arranged at the center of the shielding sheet (15).

7. The road bridge shock-absorbing bearing according to claim 3 is characterized by: The two groups of the bidirectional screw rods (9) are fixedly mounted with mounting round blocks (16), an inserting groove (17) is provided in the mounting round block (16), and a rubber rod (5) is inserted in the inserting groove (17).

8. A road bridge shock-absorbing bearing according to claim 7, characterized in that: The rubber rod (5) is provided with marking circles (18) in an array, and the intervals between the marking circles (18) are all three centimeters.

9. A road bridge shock-absorbing bearing according to claim 8, characterized in that: The shielding plate (19) is provided with an insertion hole (22), the end of the identification ring (18) is provided with a fixing mechanism (23), the end of the shielding plate (19) is provided with a pressing plate (20), the pressing plate (20) is provided with a sealing rubber pad (21), and the shielding plate (19) is fixed to the rubber rod (5) through the fixing mechanism (23) and the pressing plates (20) are combined.

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