CN217536654U

CN217536654U - Piston type bridge expansion joint connecting structure

Info

Publication number: CN217536654U
Application number: CN202221546498.8U
Authority: CN
Inventors: 李�根
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-04
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a connecting structure of a piston-type bridge expansion joint, which comprises a No. 1 support body and a No. 2 support body. The No. 1 support body is provided with several rod-shaped protrusions, and the No. 2 support body is provided with several sliding grooves. ; No. 1 bridge deck and No. 2 bridge deck, the top of the first end of the No. 1 bridge deck touches the first end bridge body, the first end top of the No. 2 bridge deck touches the second end bridge body, and the second end of the No. 2 bridge deck The top of the end abuts the bottom of the second end of the bridge deck No. 1. The piston-type bridge expansion joint connection structure provided by the utility model utilizes the first bridge deck and the second bridge deck. When the bridge body is heated and expands in volume, the two are driven relatively close and form a certain angle, preventing the two It forms a staggered platform with the bridge body to improve the driving comfort. The rod-shaped convex part and the sliding groove are used. The rod-shaped convex part is located in the sliding groove to perform piston movement to form a pressure chamber for buffering and reduce the impact on the bridge body. , improve the service life of bridges.

Description

Piston type bridge expansion joint connecting structure

Technical Field

The utility model relates to a bridge expansion joint technical field relates to a piston bridge expansion joint connection structure particularly.

Background

The bridge expands with heat and contracts with cold due to the influence of the outside air temperature, so that an expansion joint can be reserved between two adjacent bridge panels to prevent the bridge from being damaged due to the expansion with heat and the contraction with cold, and a series of connecting mechanisms are often arranged in the expansion joint to improve the driving comfort.

According to patent No. 201821849575.0, publication (publication) day: 2019.10.11, a bridge expansion joint that discloses, including the pontic that the symmetry set up and the telescoping device that is located the pontic top, the telescoping device can dismantle in the pontic, the telescoping device sets up the connection structure of steel sheet one and steel sheet two, a plurality of steel connecting plate one and steel sheet two on the pontic of both sides and fills in the elastic filling layer between steel sheet one and steel sheet two including the symmetry, connection structure evenly distributed and steel sheet one and steel sheet two between, connection structure is including puncturing in the loop bar of rigid plate one and puncturing in the slide bar of steel sheet two, and this bridge expansion joint is rational in infrastructure, is convenient for install fast and dismantle in the construction, and the structure levels, is difficult for producing deformation.

In the prior art who contains above-mentioned patent, when the bridge thermal expansion, utilize the elasticity filling layer between steel sheet one and the steel sheet two to deform in order to adapt to the bloated displacement of pontic horizontal direction, nevertheless because the pontic still can produce the ascending displacement of bloating of vertical side at the in-process of thermal expansion, when the bridge body bloated big nonconformity of both sides, the great one side bridge of bloating range can order about steel sheet one of installing above-mentioned arch upwards, and steel sheet one and steel sheet two pass through connection structure and connect into a whole, the one end of steel sheet of expansion joint can upwards perk and form the wrong platform with the pontic, increase the degree of jolting when driving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a piston bridge expansion joint connection structure for solve above-mentioned problem.

In order to achieve the above object, the present invention provides the following technical solutions: a piston bridge expansion joint connection, comprising:

the first support body is fixedly connected to the first end bridge body, the second support body is fixedly connected to the second end bridge body, a plurality of rod-shaped protruding portions are arranged on the first support body, and a plurality of sliding grooves are formed in the second support body;

bridge panel and No. two, its two is located a supporter top and No. two supporter tops respectively, the first end bridge body of conflict is driven at the first end top of a bridge panel, the first end top of No. two bridge panels is driven conflict second end bridge body, the second end top of No. two bridge panels is driven conflict second end bottom of a bridge panel.

Preferably, the first sealing element is arranged at the bottom of the second end of the first bridge deck, and the second sealing element is arranged at the top of the second end of the second bridge deck.

Preferably, a flexible shielding belt is arranged in a groove on a bridge driving surface formed at the tops of the first bridge deck and the second bridge deck.

Preferably, the bridge deck further comprises a spring set, the spring set is composed of a plurality of springs distributed in a linear array, wherein the first end of one part of the springs is fixedly connected to the top of the first supporting body, the second end of the other part of the springs is fixedly connected to the bottom of the first bridge deck, and the first end of the other part of the springs is fixedly connected to the top of the second supporting body, and the second end of the other part of the springs is fixedly connected to the bottom of the second bridge deck.

Preferably, an elastic supporting block is arranged between the first supporting body and the second supporting body and between the first bridge deck and the second bridge deck.

In the technical scheme, the utility model provides a pair of piston bridge expansion joint connection structure possesses following beneficial effect: utilize first decking and second decking, when the pontic is heated and expand along horizontal direction and vertical direction, first decking and second decking are driven and are close to relatively and form certain angle, prevent that its two and pontic from forming the wrong platform, the degree of jolting when reducing the driving, improve driving comfort, utilize shaft-like bellying and sliding tray, shaft-like bellying is located the sliding tray and is done the piston motion in order to form the pressure chamber that is used for the buffering, in order to reduce the impact that the pontic receives, the life of bridge has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of the sealing member and the flexible shielding tape according to an embodiment of the present invention.

Description of reference numerals:

1. a first support body; 11. a rod-shaped protrusion; 2. a second support body; 21. a sliding groove; 3. a first deck plate; 31. a first sealing element; 4. a second deck plate; 41. a second seal member; 5. a spring set; 6. an elastic supporting block; 7. a flexible masking strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

As shown in fig. 1-2, a piston type bridge expansion joint connection structure includes: the first support body 1 is fixedly connected to a first end bridge body, the second support body 2 is fixedly connected to a second end bridge body, a plurality of rod-shaped protruding portions 11 are arranged on the first support body 1, and a plurality of sliding grooves 21 are arranged on the second support body 2; bridge deck 3 and No. two bridge deck 4, its two are located a supporter 1 top and No. 2 tops of supporters respectively, and the first end top of a bridge deck 3 is driven and is contradicted the first end pontic, and the first end top of No. two bridge deck 4 is driven and is contradicted the second and hold the pontic, and the second of No. two bridge deck 4 is driven and is contradicted the second of a bridge deck 3 and hold the bottom.

Specifically, as shown in fig. 1, the left L-shaped bridge is a first end bridge, and the right L-shaped bridge is a second end bridge; the left end of the first bridge deck 3 is a first end, the right end is a second end, the right end of the second bridge deck 4 is a first end, the left end is a second end, when the first end bridge body and the second end bridge body are heated and expanded, the first support body 1 and the second support body 2 are driven to be relatively close to each other, the rod-shaped bulge part 11 is positioned in the sliding groove 21 to be close to piston movement, so that a pressure cavity is formed in the sliding groove 21, the impact on the bridge body is reduced, the service life of the bridge is prolonged, and because the bridge body is vertically and horizontally expanded when being heated and expanded, when the expansion amplitude of the first end bridge body is smaller than that of the second end bridge body, the first end bridge body and the second end bridge body are close to each other in the horizontal direction, and the second end bridge body is higher than the first end bridge body in the vertical direction, therefore, the second bridge deck 4 and the first bridge deck 3 are close to each other in the horizontal direction, the first end of the second bridge deck 4 is propped against by the second end bridge body, the first end of the first bridge deck 3 is propped against by the first end bridge body, and the top of the second end of the second bridge deck 4 is propped against by the bottom of the second end of the first bridge deck 3, namely, the first end of the second bridge deck 4 is higher than the second end thereof in the vertical direction, the first end of the second bridge deck 4 is higher than the second end of the first bridge deck 3, the second end of the first bridge deck 3 is higher than the first end thereof, and the first bridge deck 3 and the second bridge deck 4 are at a certain angle, the angle range is 178-180 degrees, so as to prevent a bridge abutment from being formed between the first bridge deck 3 and the first end bridge body or between the second bridge deck 4 and the second end bridge body.

Among the above-mentioned technical scheme, utilize decking 3 and decking 4 No. two, when the pontic is heated and along the horizontal direction and vertical direction bloated, decking 3 board and decking 4 No. one are driven relatively and are close to and form certain angle, prevent that its two and pontic from forming the wrong platform, jolting degree when reducing the driving, improve driving comfort, utilize shaft-like bellying 11 and sliding tray 21, shaft-like bellying 11 is located the sliding tray 21 and does the piston motion in order to form the pressure chamber that is used for the buffering, in order to reduce the impact that the pontic receives, the life of bridge has been improved.

As the embodiment that this practicality further provided, the second end bottom of a deck plate 3 is provided with sealing member 31 No. one, and the second end top of No. two deck plates 4 is provided with sealing member 41 No. two, and sealing member 31 of its and sealing member 41 contact with inside and by the corrosion in order to prevent rainwater infiltration device, increase the device life-span, improve stability.

As the embodiment that this practicality further provided, the ditch inslot on the bridge driving surface that decking 3 and No. two decking 4 tops formed is provided with flexible sheltering belt 7, and when decking 3 and No. two decking 4 were driven relative motion, flexible sheltering belt 7 was driven and is changed the slot of shape in order to cover the bridge driving surface, prevents debris such as dust or leaf entering device, influences device life.

As the embodiment that the utility model further provides, still include spring assembly 5, spring assembly 5 comprises the spring that a plurality of linear array distributes, wherein the first end fixed connection of part spring in the top of supporter 1, second end fixed connection in the bottom of deck plate 3, the first end fixed connection of spring of another part in the top of supporter 2 No. two, second end fixed connection in the bottom of deck plate 4 No. two, spring assembly 5 orders about deck plate 3's first end top simultaneously and drives the first end pontic of contradicting, deck plate 4's first end top is contradicted the second and is held the pontic, deck plate 4's second end top is contradicted the second of deck plate 3 No. two and is held the bottom, the spring can be used in abominable operational environment, and long service life increases the life and the stability of device.

As the embodiment that this utility model further provided, be provided with elastic support block 6 between a supporter 1 and No. 2 and a decking 3 and No. 4, when the vehicle passed through, elastic support block 6 provided the holding power for a decking 3 and No. 4, and can also certain produce certain deformation in order to reduce the impact force to the pontic when the vehicle passed through, increase pontic life.

The working principle is as follows: when the first end bridge body and the second end bridge body are heated and expanded, the first support body 1 and the second support body 2 are driven to be relatively close to each other, the rod-shaped convex part 11 is positioned in the sliding groove 21 to be close to each other in a piston movement manner, so that a pressure cavity is formed in the sliding groove 21 to reduce the impact on the bridge body, meanwhile, the second bridge deck 4 and the first bridge deck 3 are close to each other in the horizontal direction, and when the volume expansion amplitude of the first end bridge body is smaller than that of the second end bridge body, the second end bridge body is higher than the first end bridge body in the vertical direction, the spring group 5 drives the top of the first end of the second bridge deck 4 to abut against the second end bridge body, the first end of the first bridge deck 3 abuts against the first end bridge body, and the top of the second end of the second bridge deck 4 abuts against the bottom of the second end of the first bridge deck 3, namely, the first end of the second bridge deck 4 is higher than the second end in the vertical direction, the first end of the second bridge deck 4 is higher than the second end of the first bridge deck 3, the second end of the first bridge deck 3 is higher than the first end of the first bridge deck, the second end of the second bridge deck is higher than the first end of the bridge body, the first bridge deck 3 and the second bridge deck 4 are driven by the spring group 5 to form a certain angle, the angle range is 178-180 degrees, so that a bridge gap between the first bridge deck 3 and the first end of the bridge body or between the second bridge deck 4 and the second end of the bridge body is prevented, the flexible blocking belt 7 is driven to change the shape so as to cover a groove on a bridge driving surface, dust or other impurities such as leaves are prevented from entering, when a vehicle passes through, the elastic supporting block 6 provides supporting force for the first bridge deck 3 and the second bridge deck 4, and can also generate certain deformation to reduce impact force on the bridge body when the vehicle passes through.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A piston bridge expansion joint connection structure, characterized in that includes:

the first support body (1) is fixedly connected to a first end bridge body, the second support body (2) is fixedly connected to a second end bridge body, a plurality of rod-shaped protruding portions (11) are arranged on the first support body (1), and a plurality of sliding grooves (21) are arranged on the second support body (2);

bridge face board (3) and No. two bridge face board (4), its two is located supporter (1) top and supporter (2) top respectively, the first end top of bridge face board (3) is driven and is contradicted first end pontic, the first end top of No. two bridge face board (4) is driven and is contradicted second end pontic, the second end top of No. two bridge face board (4) is driven and is contradicted the second end bottom of bridge face board (3).

2. A piston type bridge expansion joint connection structure as claimed in claim 1, wherein a first sealing member (31) is provided at the bottom of the second end of said first bridge deck (3), and a second sealing member (41) is provided at the top of the second end of said second bridge deck (4).

3. A piston type bridge expansion joint connection structure as claimed in claim 1, wherein a flexible shielding belt (7) is provided in a groove on a bridge driving surface formed at the top of said first bridge deck (3) and said second bridge deck (4).

4. A piston type bridge expansion joint connection structure as claimed in claim 1, further comprising a spring set (5), wherein said spring set (5) is composed of a plurality of springs distributed in a linear array, wherein the first end of a part of the springs is fixedly connected to the top of said first support body (1), the second end of the springs is fixedly connected to the bottom of said first bridge deck (3), and the first end of the other part of the springs is fixedly connected to the top of said second support body (2), and the second end of the springs is fixedly connected to the bottom of said second bridge deck (4).

5. A piston type bridge expansion joint connecting structure as claimed in claim 1, wherein an elastic supporting block (6) is provided between said first supporting body (1) and said second supporting body (2) and said first bridge deck plate (3) and said second bridge deck plate (4).