Damping support for bridge

Abstract

The utility model discloses a shock-absorbing support for a bridge, belongs to the technical field of bridge construction, and aims to solve the problems that the positions of mounting holes in the shock-absorbing support are fixed, errors are easily generated in preformed holes of a bridge pier and a bridge abutment, and the mounting quality is influenced, the shock-absorbing support comprises an upper plate, a lower plate is arranged at the bottom end of the upper plate, and a rubber column is fixedly mounted between the upper plate and the lower plate; communicating grooves are formed in the two sides of the top end of the upper plate and the two sides of the top end of the lower plate, two-way screws are rotationally installed in the communicating grooves, two connecting grooves are formed in the positions, located at the side ends of the communicating grooves, of the upper plate and the lower plate, the connecting grooves communicate with the communicating grooves, and movable blocks are installed on the outer surfaces of the two ends of the two-way screws in a threaded mode and slidably installed in the connecting grooves; through the arrangement of the communicating groove, the two-way screw rod, the connecting groove, the movable block, the mounting plate, the adjusting mechanism and the like, the position of the mounting plate can be adjusted conveniently, the mounting hole can be aligned with the preformed hole of the bridge pier and the preformed hole of the bridge abutment conveniently, and the mounting accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge construction technical field, concretely relates to a shock absorption support for bridge. BACKGROUND

[0002] In the field of road construction, bridge is the most important, bridge support is the important connecting part of bridge superstructure and substructure, it is mainly used for supporting bridge span structure, and its load is given to the component of pier and abutment, is an important component of bridge structure, and the bridge support needs damping device to reduce the shock to ensure the safe use of bridge support.

[0003] The existing shock absorption support is installed between the pier and the abutut through multiple bolts, but the mounting hole position on the shock absorption support is fixed, and the reserved hole on the pier and the abutment is prone to error, affecting the installation quality.

[0004] Therefore, a shock absorption support for bridge is needed to solve the problem of the mounting hole position on the shock absorption support being fixed, the reserved hole on the pier and the abutment being prone to error and affecting the installation quality in the prior art. SUMMARY

[0005] The utility model discloses a shock absorption support for bridge to solve the problem in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a shock absorption support for bridge, including the upper plate the bottom of the upper plate is provided with the lower plate, the rubber column is fixedly installed between the upper plate and the lower plate, the top of the upper plate and the lower plate is provided with the communicating groove on both sides, the bidirectional screw rod is rotatably installed in the communicating groove, the upper plate and the lower plate are provided with two connecting grooves on the side end of the communicating groove, the connecting groove is communicated with the communicating groove, the outer surface of both ends of the bidirectional screw rod is all screw mounted with the movable block, the movable block is slidably installed in the connecting groove, the side end of the movable block is provided with the mounting plate, the top of the mounting plate is provided with the mounting hole, the inside of the movable block is provided with the adjusting mechanism.

[0007] It is worth mentioning in the scheme that the adjusting mechanism includes the recess and the threaded rod, the recess is set up in the top of the movable block, the threaded rod is rotatably installed in the recess, one side of the mounting plate is fixedly installed with the sliding block, the sliding block is screw connected with the threaded rod, and the sliding block is slidably connected with the recess.

[0008] It is further worth mentioning that the threaded rod and one end of the bidirectional screw rod are detachably installed with the hand wheel, and the outer surface of the hand wheel is sleeved with the rubber pad.

[0009] Further need explanation is, the threaded rod and the one end of the bidirectional screw rod are fixedly installed with the plug block, the hand wheel one side is provided with the slot, the plug block with the slot activity inserts.

[0010] As a preferred implementation, the plug block and the slot cross section are both square.

[0011] As a preferred implementation, the rubber column is provided with two semicircular bellows on both sides, and the two semicircular bellows are consistent in size.

[0012] As a preferred implementation, the semicircular bellows is fixedly installed with a mounting ring at the top end and the bottom end, and the two mounting rings are respectively abutted with the upper plate and the lower plate.

[0013] As a preferred implementation, the mounting ring is provided with a plurality of first threaded holes at the top end, the upper plate and the lower plate are provided with second threaded holes on the opposite sides, and the first threaded holes correspond to the second threaded holes.

[0014] Compared with the prior art, the bridge shock-absorbing support provided by the utility model has at least the following beneficial effects:

[0015] (1) By means of the communication groove, the bidirectional screw rod, the connecting groove, the movable block, the mounting plate and the adjusting mechanism, the position of the mounting plate can be adjusted, the mounting hole can be aligned with the reserved hole of the pier and the abutment, and the installation accuracy is improved.

[0016] (2) By means of the plug block and the slot, the hand wheel can be installed and dismounted conveniently; by means of the semicircular bellows, the rubber column is protected, the service life of the shock-absorbing support is improved; by means of the mounting ring, the first threaded hole and the second threaded hole, the semicircular bellows can be dismounted and replaced conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is another visual angle structure schematic view of the utility model;

[0019] Figure 3 It is Figure 1 The enlarged structure schematic view of the A area.

[0020] In the figure: 1, the upper plate; 2, the lower plate; 3, the communication groove; 4, the bidirectional screw rod; 5, the connecting groove; 6, the movable block; 7, the mounting plate; 8, the adjusting mechanism; 801, the recess; 802, the threaded rod; 9, the hand wheel; 10, the slot; 11, the plug block; 12, the rubber column; 13, the semicircular bellows; 14, the mounting ring; 15, the first threaded hole; 16, the second threaded hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0022] The implementation of the utility model will be described in detail in combination with specific examples.

[0023] In the drawings of the embodiments, the same or similar reference numerals correspond to the same or similar components; in the description of the utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the patent, for ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0024] Referring to the drawings, a preferred embodiment of the utility model is provided.

[0025] The utility model aims at providing a kind of bridge shock-absorbing support that can be conveniently adjusted and installed according to pier and abutment reserved hole. In order to better understand the utility model, the following will be described in detail in combination with drawings and examples.

[0026] Example 1: basic structure of shock-absorbing support

[0027] As shown in Figures 1 to 3 The utility model provides a kind of bridge shock-absorbing support. Including upper plate 1, the bottom of upper plate 1 is provided with lower plate 2, upper plate 1 and lower plate 2 are fixedly installed with rubber column 12 between, the top of upper plate 1 and lower plate 2 both sides are provided with communicating groove 3, two-way screw rod 4 is rotatably installed in the inside of communicating groove 3, upper plate 1 and lower plate 2 are provided with two connecting grooves 5 in the side end of communicating groove 3, connecting groove 5 is communicated with communicating groove 3, the outer surface of both ends of two-way screw rod 4 is all screw-mounted with movable block 6, movable block 6 is slidably installed in connecting groove 5, movable block 6 is provided with mounting plate 7 in side end, by rotating two-way screw rod 4, movable block 6 moves, it is convenient to adjust the position of mounting plate 7, mounting plate 7 is provided with mounting hole in top, the inside of movable block 6 is provided with adjusting mechanism 8.

[0028] The adjusting mechanism 8 is one of important innovation points of the utility model, it mainly includes the recess 801 and the threaded rod 802, the recess 801 is set up in the top of the movable block 6, the threaded rod 802 is rotatably installed in the recess 801, one side of the mounting plate 7 is fixedly installed with the sliding block, the sliding block is threadedly connected with the threaded rod 802, the sliding block is slidably connected with the recess 801, when the shock support is installed in bridge construction, the shock support is placed between the pier and the abutment, according to the reserved hole on the pier and the abutment, the two movable blocks 6 are moved by rotating the bidirectional screw rod 4, the mounting plate 7 is moved by rotating the threaded rod 802, the mounting hole on the mounting plate 7 is aligned with the reserved hole, high-strength bolts are used for installation, the upper plate 1 and the lower plate 2 are fixed with the pier and the abutment respectively, and the applicability is improved.

[0029] Embodiment 2: design of hand wheel 9

[0030] One end of the threaded rod 802 and the bidirectional screw rod 4 is detachably installed with the hand wheel 9, the outer surface of the hand wheel 9 is sleeved with a rubber pad, by using the hand wheel 9, the threaded rod 802 and the bidirectional screw rod 4 are conveniently rotated, and the use convenience is improved.

[0031] One end of the threaded rod 802 and the bidirectional screw rod 4 is fixedly installed with the plug block 11, one side of the hand wheel 9 is provided with the insertion slot 10, the plug block 11 is movably inserted with the insertion slot 10, the plug block 11 and the insertion slot 10 are both square in cross section, by the setting of the plug block 11 and the insertion slot 10, the hand wheel 9 is conveniently installed and detached, and space is saved.

[0032] Embodiment 3: structure and function of semicircular corrugated pipe 13

[0033] Both sides of the rubber column 12 are provided with the semicircular corrugated pipe 13, the two semicircular corrugated pipes 13 are identical in size, after the shock support is installed, the two semicircular corrugated pipes 13 are spliced and sleeved on the outer surface of the rubber column 12, the rubber column 12 is protected, and the service life of the shock support is improved.

[0034] The top end and the bottom end of the semicircular corrugated pipe 13 are fixedly installed with the mounting ring 14, the two mounting rings 14 abut with the upper plate 1 and the lower plate 2 respectively, the top end of the mounting ring 14 is provided with a plurality of first threaded holes 15, the opposite side of the upper plate 1 and the lower plate 2 is provided with the second threaded hole 16, the first threaded hole 15 corresponds with the second threaded hole 16, by using the bolt to pass through the first threaded hole 15 and the second threaded hole 16, the mounting ring 14 is fixed with the upper plate 1 and the lower plate 2 respectively.

[0035] Embodiment 4: working principle of shock support

[0036] When the user installs the bridge shock-absorbing support, the shock-absorbing support is placed between the pier and the abutment, the two movable blocks 6 are moved by rotating the two-way screw rod 4 according to the reserved holes on the pier and the abutment, the mounting plate 7 is moved by rotating the threaded rod 802, the mounting holes on the mounting plate 7 are aligned with the reserved holes, high-strength bolts are used for installation, and the upper plate 1 and the lower plate 2 are fixed to the pier and the abutment, respectively, thereby improving the applicability.

[0037] Technical effects

[0038] Through the detailed description of the above embodiment, first, the setting of the communication groove 3, the two-way screw rod 4, the connecting groove 5, the movable block 6, the mounting plate 7 and the adjusting mechanism 8 facilitates the adjustment of the position of the mounting plate 7, facilitates the alignment of the mounting holes with the reserved holes of the pier and the abutment, and improves the installation accuracy.

[0039] Secondly, the setting of the plug-in block 11 and the plug-in groove 10 facilitates the installation and disassembly of the hand wheel 9, the setting of the semi-circular corrugated pipe 13 protects the rubber column 12, improves the service life of the shock-absorbing support, and the setting of the mounting ring 14, the first threaded hole 15 and the second threaded hole 16 facilitates the disassembly and replacement of the semi-circular corrugated pipe 13.

[0040] To sum up, the bridge shock-absorbing support provided by the utility model has the advantages of reasonable structure, perfect function, strong applicability, adjustable installation according to the position of the reserved hole, improved service life and wide application prospect.

[0041] In the following, a plurality of embodiments of the utility model will be disclosed by means of drawings. For the purpose of clear illustration, many details of the physical objects will be described in the following description. However, it should be understood that these physical details should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the drawings, some commonly used structures and components will be shown in a simple schematic manner in the drawings.

[0042] In addition, in the utility model, the description of "first", "second" and the like is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the utility model. It is only used to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art. When the combination of technical solutions appears to be contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.

[0043] The above has described certain exemplary embodiments of the present application by way of illustration only, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and description are illustrative in nature, and should not be construed as limiting the scope of protection of the present application.

Claims

1. A shock-absorbing support for bridges, comprising an upper slab (1), characterized in that, The bottom end of the upper plate (1) is provided with a lower plate (2), a rubber column (12) is fixedly installed between the upper plate (1) and the lower plate (2), the top ends of the upper plate (1) and the lower plate (2) are both provided with a communication groove (3), a bidirectional screw rod (4) is rotatably installed in the communication groove (3), two connecting grooves (5) are formed in the side ends of the upper plate (1) and the lower plate (2), the connecting grooves (5) are communicated with the communication groove (3), movable blocks (6) are threadedly installed on the outer surfaces of the two ends of the bidirectional screw rod (4), the movable blocks (6) are slidably installed in the connecting grooves (5), mounting plates (7) are arranged at the side ends of the movable blocks (6), mounting holes are formed in the top ends of the mounting plates (7), and adjusting mechanisms (8) are arranged in the movable blocks (6). ​ 2. A seismic bearing for a bridge according to claim 1, characterized in that The adjusting mechanism (8) comprises a groove (801) and a threaded rod (802), the groove (801) is formed in the top end of the movable block (6), the threaded rod (802) is rotatably installed in the groove (801), a sliding block is fixedly installed on one side of the mounting plate (7), the sliding block is threadedly connected with the threaded rod (802), and the sliding block is slidably connected with the groove (801).

3. A seismic bearing for a bridge according to claim 2, characterized in that The threaded rod (802) and one end of the bidirectional screw rod (4) are detachably provided with a hand wheel (9), and the outer surface of the hand wheel (9) is sleeved with a rubber pad.

4. A seismic bearing for a bridge according to claim 3, characterized in that The threaded rod (802) and one end of the bidirectional screw rod (4) are fixedly provided with an insertion block (11), one side of the hand wheel (9) is provided with an insertion groove (10), and the insertion block (11) is movably inserted into the insertion groove (10).

5. A seismic bearing for a bridge according to claim 4, characterized in that The insertion block (11) and the insertion groove (10) are both square in cross section.

6. The seismic support of claim 1, wherein: Both sides of the rubber column (12) are provided with semicircular bellows (13), and the two semicircular bellows (13) are identical in size. ​ 7. A seismic bearing for a bridge according to claim 6, characterized in that: The top end and the bottom end of the semicircular bellows (13) are fixedly provided with mounting rings (14), and the two mounting rings (14) are respectively abutted with the upper plate (1) and the lower plate (2).

8. A seismic bearing for a bridge according to claim 7, characterized in that: A plurality of first threaded holes (15) are formed in the top end of the mounting ring (14), second threaded holes (16) are formed in the opposite sides of the upper plate (1) and the lower plate (2), and the first threaded holes (15) correspond to the second threaded holes (16).

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