Road and bridge connecting section transition buffering device

Abstract

The utility model discloses a road bridge connecting section transition buffer device which has the buffer performance that when a vehicle runs on a buffer plate, impact force is transmitted to a top plate, the top plate drives a pressure plate to extrude a spring through a second bolt, the spring elastically deforms to absorb part of energy, a damper consumes vibration energy, and the dual functions of vibration reduction and buffer are achieved. Damage of impact force to road and bridge structures can be reduced, and the service life is prolonged. In the aspect of applicability, adjusting grooves are formed in the periphery of the buffer plate, the top plate is connected with the buffer plate through second bolts, and the distance between the buffer plate and the transition base can be changed and the initial compression amount of the springs can be adjusted by adjusting the positions of the bolts in the grooves so as to adapt to different road conditions and vehicle loads. In terms of safety and structural strength, the reinforcing strips at the bottom of the buffer plate enhance the structural strength of the buffer plate, and normal use and stable buffer effect are ensured; and the friction force between the tire and the buffer plate is increased by the anti-skid lines at the top, so that the vehicle can be prevented from slipping in severe weather, and accidents are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to road and bridge engineering technical field, specifically, relate to a road and bridge connecting section transition buffer device. BACKGROUND

[0002] In road and bridge construction, the connecting section of road and bridge is a key part. Due to the different structures of road and bridge, in the process of vehicle driving, the connecting section is prone to unevenness, which causes the vehicle to bump, and affects the comfort and safety of driving. At the same time, the impact force generated by vehicle driving will directly act on the connecting section, which will damage the structure of the connecting section and shorten the service life of road and bridge.

[0003] The existing device has the following disadvantages: the existing device has single buffering performance, and the buffering mode is single, which relies on single components such as simple rubber pad, the energy absorption is limited, and the damping capacity is weak, the structure is easily damaged by vibration, and the driving is affected. In terms of applicability and flexibility, the device is a fixed structure, which cannot adjust the buffering performance according to the road conditions and load, and cannot meet the diversified needs. In terms of structural strength and safety, the buffer plate has no reinforcing strip and is easily deformed and damaged, which increases the maintenance cost; the surface has no anti-skid pattern, the friction is small in bad weather such as rainy day, the vehicle is easy to slip, which leads to the increase of traffic accident risk and cannot guarantee the safety of driving. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a road and bridge connecting section transition buffer device to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a road and bridge connecting section transition buffer device, which comprises a transition base, one end of the transition base is connected with a road main body, the other end of the transition base is connected with a bridge main body, a buffer mechanism is installed on the transition base, a buffer plate is installed on the buffer mechanism, the buffer mechanism comprises adjusting grooves opened around the buffer plate, a top plate is fixedly installed at the four corners of the bottom of the buffer plate, a threaded hole is opened in the middle of the top plate, a second bolt is connected with the threaded hole, and the top of the top plate penetrates into the adjusting groove, first U-shaped plates are fixedly installed on the two sides of the top plate, a pressure plate is rotatably installed at the bottom of the second bolt, a second U-shaped plate is sleeved with the outside of the first U-shaped plate, a supporting plate is fixedly installed at the bottom of the second U-shaped plate and fixed on the transition base, a spring is fixedly installed between the pressure plate and the supporting plate, and a damper is wrapped in the spring.

[0006] As a preferred technical scheme of the utility model, recesses are arranged at the bottoms of the two sides of the transition base, connecting plates are fixedly installed at the bottoms of the recesses, the road main body and the bridge main body, and through holes are opened in the middle of the connecting plates and inserted with connecting rods.

[0007] As the preferred technical scheme of the utility model, the connecting rod one end is provided with a limiting block, the other end of the connecting rod is provided with a threaded hole and is connected with a first bolt.

[0008] As the preferred technical scheme of the utility model, the bottom of the buffer plate is further provided with a plurality of reinforcing strips, and the top of the buffer plate is provided with anti-skid lines.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] (1) The impact force generated when the vehicle runs on the buffer plate is transmitted to the top plate, the top plate drives the pressure plate to extrude the spring through the second bolt, the spring is elastically deformed to absorb part of the energy; at the same time, the damper can consume the vibration energy generated in the impact process, and has the double effects of damping and buffering, effectively reducing the damage of the impact force to the road and bridge structure, and prolonging the service life.

[0011] (2) The buffer plate is provided with adjusting grooves around, the top plate is connected with the adjusting grooves through the second bolt, and the distance between the buffer plate and the transition base can be adjusted by adjusting the position of the second bolt in the adjusting groove, so that the initial compression amount of the spring is changed, so as to adapt to different road conditions and vehicle load requirements, and the applicability and flexibility of the buffer device are improved.

[0012] (3) The buffer plate is provided with a plurality of reinforcing strips at the bottom, which can enhance the structural strength of the buffer plate itself, so that it is not easy to deform or damage when bearing the vehicle load, and the normal use of the buffer plate and the stability of the buffering effect are ensured. The top of the buffer plate is provided with anti-skid lines, the friction between the vehicle tire and the buffer plate is increased, the safety of the vehicle running on the connecting section is improved, especially in rainy or bad weather conditions, the vehicle skidding can be effectively prevented, and the occurrence of traffic accidents is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0014] Figure 1 It is a whole structure schematic view of the transition buffer device of the road bridge connecting section according to the utility model embodiment;

[0015] Figure 2 It is a structure schematic view of the buffer mechanism of the transition base of the transition buffer device of the road bridge connecting section according to the utility model embodiment;

[0016] Figure 3is according to the utility model Figure 2 Structure schematic view of A in the middle.

[0017] Reference signs:

[0018] 1, transition base; 2, road main body; 3, bridge main body; 4, buffer mechanism; 5, buffer plate; 6, groove; 7, connecting plate; 8, connecting rod; 9, limiting block; 10, first bolt; 11, adjusting groove; 12, top plate; 13, second bolt; 14, first U-shaped plate; 15, pressure plate; 16, second U-shaped plate; 17, support plate; 18, spring; 19, damper; 20, reinforcing strip; 21, anti-skid pattern. DETAILED DESCRIPTION

[0019] Next, the utility model is further described in combination with the drawings and specific embodiments:

[0020] Please refer to Figures 1-3 According to the utility model embodiment, a road and bridge connecting section transition buffer device, including transition base 1, transition base 1 one end is connected with road main body 2, and transition base 1 other end is connected with bridge main body 3, and transition base 1 is installed with buffer mechanism 4, and buffer mechanism 4 is installed with buffer plate 5.

[0021] Among them, transition base 1 connects road main body 2 and bridge main body 3, provides installation base for buffer mechanism 4. Buffer mechanism 4 plays a buffering role, reduces the damage of vehicle driving impact force to road and bridge structure. Buffer plate 5 is used for vehicle driving, disperses vehicle load, and cooperates with buffer mechanism 4 to buffer impact.

[0022] In the embodiment, the bottom of the transition base 1 is provided with a groove 6, and the groove 6 is fixedly installed with a connecting plate 7 at the bottom of the road main body 2 and the bridge main body 3. The connecting plate 7 is provided with a through hole in the middle and is inserted with a connecting rod 8.

[0023] Among them, groove 6 is used to install connecting plate 7, and transition base 1 is connected with road main body 2 and bridge main body 3. Connecting plate 7 is inserted with connecting rod 8 through the through hole, and the connection of transition base and road, bridge is strengthened.

[0024] In the embodiment, the connecting rod 8 is provided with a limiting block 9 at one end, and the other end of the connecting rod 8 is provided with a threaded hole and is screwed with a first bolt 10.

[0025] Among them, limiting block 9 prevents connecting rod 8 from being pulled out of connecting plate 7. First bolt 10 further fixes connecting rod 8, and ensures stable connection.

[0026] In this embodiment, the buffer mechanism 4 includes an adjusting groove 11 opened around the buffer plate 5, and a top plate 12 fixedly installed at the bottom of the buffer plate 5, wherein a threaded hole is opened in the middle of the top plate 12, a second bolt 13 is connected to the threaded hole, and the top plate 12 penetrates into the adjusting groove 11, and first U-shaped plates 14 are fixedly installed on both sides of the top plate 12.

[0027] The adjusting groove 11 is used for rotating the second bolt 13, and the top plate 12 transmits the impact force received by the buffer plate 5. The second bolt 13 is rotatably installed with a pressure plate 15 at the bottom, which is used for adjusting the buffer distance and transmitting the pressure.

[0028] In this embodiment, the second bolt 13 is rotatably installed with the pressure plate 15 at the bottom, the first U-shaped plates 14 are sleeved with second U-shaped plates 16 at the outside, the second U-shaped plates 16 are fixedly installed with support plates 17 at the bottom and fixed on the transition base 1, springs 18 are fixedly installed between the pressure plate 15 and the support plate 17, and dampers 19 are wrapped in the springs 18.

[0029] The pressure plate 15 extrudes the spring 18 to achieve the buffering function. The second U-shaped plates 16 are fixedly installed with the support plates 17 at the bottom, which cooperate with the first U-shaped plates 14 to ensure the stability of the buffer mechanism. The support plates 17 support the springs 18 and the dampers 19 to provide the buffer support force. The springs 18 absorb part of the impact force generated by the vehicle driving through the elastic deformation. The dampers 19 consume the vibration energy in the impact process to play a damping role.

[0030] In this embodiment, a plurality of reinforcing strips 20 are also installed at the bottom of the buffer plate 5, and anti-skid lines 21 are arranged on the top of the buffer plate 5.

[0031] The reinforcing strips 20 enhance the structural strength of the buffer plate 5 to prevent it from being deformed and damaged. The anti-skid lines 21 increase the friction force between the vehicle tires and the buffer plate 5 to improve the driving safety.

[0032] In specific application, first, the transition base 1 is placed at a predetermined position between the road body 2 and the bridge body 3, one end of the transition base 1 is tightly aligned with the road body 2, the other end is tightly aligned with the bridge body 3, the connecting rod 8 is penetrated through the through hole in the middle of the connecting plate 7, the first bolt 10 is screwed into the threaded hole at one end of the connecting rod 8, the connecting rod 8 is fixed by tightening the first bolt 10, the connection between the transition base 1 and the road body 2 and the bridge body 3 is ensured to be stable, the position of the second bolt 13 in the adjusting groove 11 is rotated to preliminarily adjust the distance between the buffer plate 5 and the transition base 1, the position of the second bolt 13 in the adjusting groove 11 is adjusted again according to the actual road conditions and vehicle load requirements, the distance between the buffer plate 5 and the transition base 1 is further accurately adjusted to change the initial compression amount of the spring 18, so that the buffer device achieves the best buffering effect, the entire transition buffer device is comprehensively checked to check whether the connection of each component is tight and firm, and whether there is looseness or damage.

[0033] In the description of the utility model, it needs to explain, the term "top", "bottom", "one side", "the other side", "front", "back", "intermediate position", "inside", "top end", "bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise expressly provided and limited, the term "installation", "connection", "connect" should be broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0034] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not 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 embodiments, or equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A roadway bridge joint segment transition cushioning device, characterized by, The utility model relates to a transition base (1) one end is connected with road main body (2), transition base (1) other end is connected with bridge main body (3), install buffer mechanism (4) on transition base (1), install buffer plate (5) on buffer mechanism (4), buffer mechanism (4) including the adjusting groove (11) of being set in buffer plate (5) four -around, the bottom four corners of buffer plate (5) fixedly installed top plate (12), the middle part of top plate (12) is connected with second bolt (13) and is set in adjusting groove (11) with its top and penetrates, the both sides of top plate (12) fixedly installed first U type board (14), the bottom rotating installation of second bolt (13) has pressure plate (15), the outside of first U type board (14) is sleeved with second U type board (16), the bottom fixed mounting of second U type board (16) support plate (17) is fixed on transition base (1), the fixed mounting of pressure plate (15) and support plate (17) between has spring (18), spring (18) is wrapped with damper (19).

2. A road bridge joint transition buffer device according to claim 1, wherein, The bottom of the transition base (1) is provided with a groove (6), the groove (6) and the bottom of the road main body (2) and the bridge main body (3) are fixedly installed with a connecting plate (7), the connecting plate (7) is provided with a through hole in the middle and is inserted with a connecting rod (8).

3. A road bridge joint transition buffer device according to claim 2, wherein, One end of the connecting rod (8) is provided with a limiting block (9), and the other end of the connecting rod (8) is provided with a threaded hole and is screwed with a first bolt (10).

4. The roadway bridge joint transition cushion of claim 1, wherein, A plurality of reinforcing strips (20) are installed on the bottom of the buffer plate (5), and the top of the buffer plate (5) is provided with anti-skid lines (21).

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