Anti-seismic device for municipal bridge

Abstract

The utility model relates to the technical field of bridge anti-seismic devices, and discloses an anti-seismic device for a municipal bridge, which comprises a support base, a chute is arranged in the support base, an extension component is connected in the chute, and a buffer component is connected to the top of the support base; the extending assembly comprises two sets of extending plates which are slidably connected into the sliding grooves. Compared with the prior art, the anti-seismic device for the municipal bridge has the advantages that in the anti-seismic device for the municipal bridge, the extension assembly is used for conveniently adjusting and increasing the contact area with the ground, so that the stability of the anti-seismic device under different conditions can be improved; the buffer assembly is used for conveniently buffering vibration borne by the bridge, and it is avoided that damage is too large, and use is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge anti -seismic device technical field especially relates to a municipal bridge is with anti -seismic device. BACKGROUND

[0002] Bridge, generally refers to erects on river lake sea, makes the vehicle pedestrian etc. can smoothly pass through the construction, for adapting modern high -speed development's traffic industry, bridge also extends to cross the mountain, bad geology or satisfies other traffic needs and erects the building that makes the pass more convenient, bridge generally is composed of upper structure, lower structure, support and accessory structure. Bridge when using because will receive the action of shock, needs to carry out the anti -seismic treatment.

[0003] The existing municipal bridge is with anti -seismic device when using inconveniently adjusts to increase the grounding area, makes the stability of anti -seismic device to be low down, and the anti -seismic effect of bridge is poor, and vertical action on the base is carried out Shock attenuation easily causes shock attenuation device damage, so that the device has certain deficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a municipal bridge is with anti -seismic device.

[0005] In order to realize the above -mentioned purpose, the utility model discloses a municipal bridge is with anti -seismic device, including support base, the support base is opened in the sliding slot, the sliding slot is connected with the extension assembly, the support base top is connected with the buffer assembly that sets up,

[0006] The extension assembly includes the extension plate, the extension plate sliding connection is in the sliding slot, the extension plate is equipped with two groups symmetry, the sliding slot bottom rotatable connection has the support column, the support column top fixed connection has the rotary table, the rotary table is away from the position of the center of rotation and is connected with the drive plate, the drive plate is equipped with two groups symmetry, and the both ends of two groups drive plate are fixedly connected with the fixed column, the extension plate is opened in the air slot, the fixed column rotatable connection is in the air slot top, and the support column outer wall is connected with the drive assembly.

[0007] Further describe the above technical scheme as follows:

[0008] The buffer assembly comprises a first fixed block, a second fixed block, a third fixed block and a fourth fixed block, the first fixed block and the second fixed block are fixedly connected at the top of the support base, a first fixed rod is fixedly connected between the first fixed block and the second fixed block, a first moving block is slidably connected outside the first fixed rod, a first spring is fixedly connected between the first moving block and the first fixed block, a second fixed rod is fixedly connected between the third fixed block and the fourth fixed block, a second moving block is slidably connected outside the second fixed rod, a second spring is fixedly connected between the second moving block and the third fixed block, the second moving block and the first moving block are each provided with two groups, a first rotating plate is rotatably connected between one group of the second moving block and one group of the first moving block, a second rotating plate is rotatably connected between the other group of the second moving block and the other group of the first moving block, and the second rotating plate and the first rotating plate are rotatably connected.

[0009] As a further description of the above technical solution:

[0010] The third fixed block and the fourth fixed block are fixedly connected with a top plate at the top, a spring damper is fixedly connected between the top plate and the support base, and the spring damper is provided with multiple groups.

[0011] As a further description of the above technical solution:

[0012] The driving assembly comprises a worm wheel, the worm wheel is fixedly connected outside the support column, a connecting block is fixedly connected at the bottom of the rotating disc, a worm is rotatably connected in the connecting block, and the worm is engaged with the worm wheel.

[0013] As a further description of the above technical solution:

[0014] One end of the worm is fixedly connected with a handle.

[0015] As a further description of the above technical solution:

[0016] The top plate is fixedly connected with anti-skid particles at the top, and the anti-skid particles are provided with multiple groups.

[0017] As a further description of the above technical solution:

[0018] The first spring is sleeved outside the first fixed rod, and the second spring is sleeved outside the second fixed rod.

[0019] The utility model has the advantages of:

[0020] In the anti-seismic device for municipal bridges, the extension assembly is used to conveniently adjust the contact area with the ground, so that the stability of the anti-seismic device under different conditions can be improved.

[0021] The utility model discloses a kind of municipal bridge anti-shock devices, using buffer assembly is convenient to buffer the vibration received by bridge, avoid damage too big influence use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model provides a kind of municipal bridge anti-shock device's overall structure schematic view;

[0023] Figure 2 The utility model provides a kind of municipal bridge anti-shock device's partial structure schematic Figure One ;

[0024] Figure 3 The utility model provides a kind of municipal bridge anti-shock device's partial structure schematic Figure Two ;

[0025] Figure 4 The utility model provides a kind of municipal bridge anti-shock device's partial structure schematic Figure Three .

[0026] LEGEND:

[0027] 1, support base;2, first fixed block;3, second fixed block;4, first moving block;5, first fixed rod;6, first spring;7, first rotating plate;8, third fixed block;9, fourth fixed block;10, second fixed rod;11, second moving block;12, second spring;13, second rotating plate;14, spring damper;15, top plate;16, sliding slot;17, extension plate;18, air slot;19, rotating disc;20, driving plate;21, fixed column;22, connecting block;23, worm;24, worm wheel;25, support column;26, handle;27, antiskid grain. DETAILED DESCRIPTION

[0028] 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 scope of protection of the utility model.

[0029] WITH REFERENCE Figures 1-4 to the drawings, the utility model provides an embodiment: a kind of municipal bridge anti-shock device, including support base 1, support base 1 is in and is set with sliding slot 16, sliding slot 16 is connected and is equipped with extension assembly, support base 1 top is connected and is equipped with buffer assembly;

[0030] The extension assembly comprises extension plates 17 symmetrically provided with two groups and slidingly connected in the sliding groove 16, a support column 25 rotatably connected at the bottom of the sliding groove 16, a rotating disc 19 fixedly connected at the top of the support column 25, drive plates 20 rotatably connected away from the center of the rotating disc 19 and symmetrically provided with two groups, fixed columns 21 fixedly connected at one end of the two groups of drive plates 20, an empty slot 18 provided in the extension plate 17, and the fixed columns 21 rotatably connected at the top of the empty slot 18. The support column 25 is provided with a driving assembly on the outer wall, so as to facilitate the rotation of the support column 25.

[0031] The buffer assembly comprises first fixing blocks 2, second fixing blocks 3, third fixing blocks 8 and fourth fixing blocks 9, the first fixing blocks 2 and the second fixing blocks 3 are fixedly connected at the top of the support base 1, the first fixing blocks 2 and the second fixing blocks 3 are fixedly connected with first fixed rods 5, the first fixed rods 5 are slidingly connected with first moving blocks 4 on the outer side, the first moving blocks 4 and the first fixing blocks 2 are fixedly connected with first springs 6, the third fixing blocks 8 and the fourth fixing blocks 9 are fixedly connected with second fixed rods 10, the second fixed rods 10 are slidingly connected with second moving blocks 11 on the outer side, the second moving blocks 11 and the third fixing blocks 8 are fixedly connected with second springs 12, the second moving blocks 11 and the first moving blocks 4 are provided with two groups, the first rotating plates 7 are rotatably connected between one group of second moving blocks 11 and one group of first moving blocks 4, the second rotating plates 13 are rotatably connected between the other group of second moving blocks 11 and the other group of first moving blocks 4, and the second rotating plates 13 are rotatably connected with the first rotating plates 7; the third fixing blocks 8 and the fourth fixing blocks 9 are fixedly connected with a top plate 15 at the top, the top plate 15 and the support base 1 are fixedly connected with spring dampers 14, and the spring dampers 14 are provided with multiple groups; the driving assembly comprises a worm wheel 24 fixedly connected on the outer side of the support column 25, a connecting block 22 fixedly connected at the bottom of the rotating disc 19, a worm 23 rotatably connected in the connecting block 22, and the worm 23 engaged with the worm wheel 24; one end of the worm 23 is fixedly connected with a handle 26; the top plate 15 is fixedly connected with anti-skid particles 27 at the top, and the anti-skid particles 27 are provided with multiple groups; the first springs 6 are sleeved on the outer side of the first fixed rods 5, and the second springs 12 are sleeved on the outer side of the second fixed rods 10, so that the buffer performance is more stable.

[0032] Working principle: in the municipal bridge anti-seismic device, rotating handle 26 drives worm 23 to rotate, worm 23 drives worm wheel 24 to rotate, worm wheel 24 drives rotating disc 19 to rotate through support column 25, rotating disc 19 drives the drive plate 20 on both sides to rotate, thereby driving the extension plate 17 on both sides to slide out from the chute 16, it is convenient for adjusting increase and ground contact area, thereby can improve the stability of anti-seismic device under different conditions;The vibration of bridge acts on the top plate 15, makes the second rotating plate 13 and the first rotating plate 7 rotate, thereby makes the first moving block 4 slide on the first fixed rod 5, extrudes the first spring 6, the second moving block 11 slides on the outside of the second fixed rod 10 while extruding the second spring 12, buffers the vibration received, avoids damaging too large influence use.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have been described, and are not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. in the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An anti-seismic device for municipal bridges, comprising a support base (1), characterized in that: The support base (1) is provided with a sliding groove (16), and the sliding groove (16) is connected with an extension assembly; the top of the support base (1) is connected with a buffer assembly; The extension assembly comprises an extension plate (17) which is slidably connected in the sliding groove (16), and the extension plate (17) is provided with two groups of extension plates (17); the bottom of the sliding groove (16) is rotatably connected with a support column (25), the top of the support column (25) is fixedly connected with a rotating disc (19), the rotating disc (19) is rotatably connected with a driving plate (20) away from the center position, the driving plate (20) is provided with two groups of driving plates (20), and one end of the two groups of driving plates (20) is fixedly connected with a fixed column (21); the extension plate (17) is provided with an empty slot (18), the fixed column (21) is rotatably connected to the top of the empty slot (18), and the support column (25) is connected with a driving assembly.

2. The anti-seismic device for municipal bridges according to claim 1, characterized in that: The buffer assembly comprises a first fixed block (2), a second fixed block (3), a third fixed block (8) and a fourth fixed block (9), the first fixed block (2) and the second fixed block (3) are fixedly connected to the top of the support base (1), the first fixed block (2) and the second fixed block (3) are fixedly connected with a first fixed rod (5), the first fixed rod (5) is slidably connected with a first moving block (4), the first moving block (4) and the first fixed block (2) are fixedly connected with a first spring (6), the third fixed block (8) and the fourth fixed block (9) are fixedly connected with a second fixed rod (10), the second fixed rod (10) is slidably connected with a second moving block (11), the second moving block (11) and the third fixed block (8) are fixedly connected with a second spring (12), the second moving block (11) and the first moving block (4) are provided with two groups, the second moving block (11) and the first moving block (4) are rotatably connected with a first rotating plate (7), the second moving block (11) and the first moving block (4) are rotatably connected with a second rotating plate (13), and the second rotating plate (13) and the first rotating plate (7) are rotatably connected.

3. The anti-seismic device for municipal bridges according to claim 2, characterized in that: The third fixed block (8) and the fourth fixed block (9) are fixedly connected with a top plate (15), the top plate (15) and the support base (1) are fixedly connected with a spring damper (14), and the spring damper (14) is provided with multiple groups.

4. The anti-seismic device for municipal bridges according to claim 1, characterized in that: The driving assembly comprises a worm wheel (24) which is fixedly connected to the outer side of the support column (25), the bottom of the rotating disc (19) is fixedly connected with a connecting block (22), the connecting block (22) is rotatably connected with a worm (23), and the worm (23) is engaged with the worm wheel (24).

5. The anti-seismic device for municipal bridges according to claim 4, characterized in that: One end of the worm (23) is fixedly connected with a handle (26).

6. The anti-seismic device for municipal bridges according to claim 3, characterized in that: The top plate (15) is fixedly connected with anti-skid particles (27), and the anti-skid particles (27) are provided with multiple groups.

7. The anti-seismic device for municipal bridges according to claim 2, characterized in that: The first spring (6) is sleeved on the outer side of the first fixed rod (5), and the second spring (12) is sleeved on the outer side of the second fixed rod (10).

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