CN216999280U - Tooth-shaped expansion joint structure at overhead joint - Google Patents
Tooth-shaped expansion joint structure at overhead joint Download PDFInfo
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- CN216999280U CN216999280U CN202220615797.6U CN202220615797U CN216999280U CN 216999280 U CN216999280 U CN 216999280U CN 202220615797 U CN202220615797 U CN 202220615797U CN 216999280 U CN216999280 U CN 216999280U
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Abstract
The utility model discloses a tooth-shaped expansion joint structure at an overhead joint, which relates to the field of bridge connection and comprises two bridge floors, piers, double-sided tooth-shaped connecting plates, two single-sided tooth-shaped connecting plates, two sets of elastic expansion mechanisms and two sets of elastic connecting mechanisms, wherein the middle part of the upper end of each pier is fixedly connected with a strip-shaped fixed plate, the double-sided tooth-shaped connecting plates are fixedly arranged in the middle of the upper side of the strip-shaped fixed plate, the two bridge floors can be arranged above the piers in a sliding manner and are respectively positioned at the left side and the right side of the strip-shaped fixed plate, the two sets of elastic connecting mechanisms are respectively positioned at the left side and the right side of the strip-shaped fixed plate, and the strip-shaped fixed plate is connected with the two bridge floors through the two sets of elastic connecting mechanisms. The expansion joint can meet the requirement of expansion of the bridge deck, can shield the surface of the expansion joint, and avoids the influence on the expansion of the bridge deck caused by the fact that soil, stone, sand and gravel enter the expansion joint, and meanwhile, when the expansion joint is expanded, the upper part between the two bridge decks is still kept relatively flat, so that vehicles can pass through the expansion joint conveniently, and the expansion joint is convenient for people to use.
Description
Technical Field
The utility model belongs to the technical field of bridge connection, and particularly relates to a tooth-shaped expansion joint structure at an overhead connection part.
Background
Elevated road, i.e. elevated bridge, also called overpass, is a bridge, which refers to a bridge with high-support towers or pillars, laid on a series of narrow reinforced concrete or masonry arches, crossing valleys, rivers, roads or other low obstacles.
At present, in the bridge construction process, for avoiding the bridge floor to take place the extrusion damage phenomenon because of expend with heat and contract with cold, can be provided with more expansion joint on the bridge floor, and among the prior art, when setting up the expansion joint, generally only set up the gap on two adjacent bridge floors, then set up connection structure in the gap, be connected bridge floor and pier, however, the expansion joint exposes for a long time, the earth and stone gravel all falls into the expansion joint easily, thereby it is flexible to influence the bridge floor tip to expand, and when the day gas is cold, the bridge floor tip shrink leads to the distance of expansion joint both sides great easily, influence the past vehicle and travel, be not convenient for people to use.
SUMMERY OF THE UTILITY MODEL
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the tooth-shaped expansion joint structure at the overhead joint, which effectively solves the problems that when the expansion joint is arranged at present, gaps are generally arranged on two adjacent bridge floors, then the connecting structure is arranged in the gaps to connect the bridge floors with piers, but the expansion joint is exposed for a long time, earth and stone gravels easily fall into the expansion joint, so that the expansion and the contraction of the end part of the bridge floor are influenced, and when the weather is cold, the contraction of the end part of the bridge floor easily causes the distance between two sides of the expansion joint to be larger, so that the running of vehicles is influenced, and the use of people is inconvenient.
In order to achieve the purpose, the utility model provides the following technical scheme: an elevated junction tooth-shaped expansion joint structure comprises two bridge floors, piers, double-sided tooth-shaped connecting plates, two single-sided tooth-shaped connecting plates, two groups of elastic expansion mechanisms and two groups of elastic connecting mechanisms, wherein the middle part of the upper end of each pier is fixedly connected with a strip-shaped fixed plate, the double-sided tooth-shaped connecting plates are fixedly arranged in the middle of the upper side of the strip-shaped fixed plate, the two bridge floors can be slidably arranged above the piers and are respectively positioned at the left side and the right side of the strip-shaped fixed plate, the two groups of elastic connecting mechanisms are respectively positioned at the left side and the right side of the strip-shaped fixed plate, the strip-shaped fixed plate is connected with the two bridge floors through the two groups of elastic connecting mechanisms, strip-shaped containing plates are fixedly connected above the two opposite sides of the two bridge floors, the two opposite sides of the two strip-shaped containing plates are respectively provided with containing grooves, the two single-sided tooth-shaped connecting plates are respectively slidably arranged in the two containing grooves, the two groups of elastic telescopic mechanisms are respectively arranged in the two containing grooves, and the strip-shaped containing plates are connected with the single-face tooth-shaped connecting plate through the one-way telescopic mechanisms.
Preferably, each group of elastic telescopic mechanisms comprises a plurality of first springs, the first springs are arranged in the accommodating grooves, and two ends of each first spring are fixedly connected with the groove bottoms of the accommodating grooves and the single-face tooth-shaped connecting plate respectively.
Preferably, a set of telescopic grooves are formed in the two opposite sides of the two single-side tooth-shaped connecting plates, a set of guide rods are arranged in the telescopic grooves in a sliding mode, the two opposite ends of the guide rods are fixedly connected with the groove bottoms of the two accommodating grooves respectively, and the two sets of guide rods are movably sleeved with the two sets of first springs respectively.
Preferably, every group elastic connection mechanism includes a plurality of second springs, a plurality of first U-shaped pole and a plurality of second U-shaped pole, and is a plurality of the second spring all is located between bridge floor and the bar fixed plate, and the second spring about both ends respectively with bridge floor and bar fixed plate fixed connection, it is a plurality of first U-shaped pole and a plurality of the second U-shaped pole all is located between bridge floor and the bar fixed plate, it is a plurality of first U-shaped pole all with bridge floor fixed connection, it is a plurality of the second U-shaped pole all with bar fixed plate fixed connection, it is a plurality of first U-shaped pole is established with a plurality of second U-shaped pole movable sleeve respectively.
Preferably, every all be provided with between bridge floor and the bar fixed plate and prevent native pad, the left and right sides that prevents native pad respectively with bridge floor and bar fixed plate fixed connection, and prevent that the side of native pad is the corrugate setting.
Preferably, a plurality of limiting rods which are vertically arranged are fixedly connected to two sides of the upper end of the pier, a plurality of kidney-shaped grooves are formed in two opposite ends of the lower side of the bridge floor, and the two limiting rods can be respectively inserted into the two kidney-shaped grooves in a sliding mode.
The utility model has the technical effects and advantages that:
1. through the mutual matching of two bridge decks, piers, double-sided tooth-shaped connecting plates, two single-sided tooth-shaped connecting plates, two groups of elastic telescopic mechanisms and two groups of elastic connecting mechanisms, when the outside temperature is higher, the end part of the bridge deck expands and moves towards the direction of the strip-shaped fixed plate, the end part of the bridge deck can drive the strip-shaped containing plate to move towards the double-sided tooth-shaped connecting plate, so that the single-sided tooth-shaped connecting plate can move towards the containing groove, and the single-sided tooth-shaped connecting plate can keep a tight and propping state with the double-sided tooth-shaped connecting plate under the action of a plurality of first springs, thereby being capable of meeting the requirement of the expansion of the bridge deck, and can shield the surface of the expansion joint, avoid the expansion of the bridge deck influenced by the soil, stone, sand and gravel entering the expansion joint, meanwhile, when the expansion joint is expanded, the upper part between the two bridge decks still keeps relatively flat, so that the vehicles can pass through conveniently, and the expansion joint is convenient for people to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic sectional view of the front side of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic top cross-sectional view of the present invention;
figure 5 is a bottom view of the deck of the present invention.
In the figure: 1. a bridge deck; 2. a bridge pier; 3. a double-sided tooth-shaped connecting plate; 4. a single-sided tooth-shaped connecting plate; 5. a strip-shaped fixing plate; 6. a strip-shaped storage plate; 7. a first spring; 8. a guide rod; 9. a second spring; 10. a first U-shaped bar; 11. a second U-shaped bar; 12. a soil-proof cushion; 13. a limiting rod.
Detailed Description
The utility model provides an overhead joint tooth-shaped expansion joint structure as shown in figures 1-5, which comprises two bridge floors 1, piers 2, double-sided tooth-shaped connecting plates 3, two single-sided tooth-shaped connecting plates 4, two groups of elastic expansion mechanisms and two groups of elastic connecting mechanisms, wherein the middle part of the upper end of each pier 2 is fixedly connected with a strip-shaped fixing plate 5, the double-sided tooth-shaped connecting plates 3 are fixedly arranged in the middle of the upper side of the strip-shaped fixing plate 5, the two bridge floors 1 can be slidably arranged above the piers 2 and are respectively positioned at the left side and the right side of the strip-shaped fixing plate 5, the two groups of elastic connecting mechanisms are respectively positioned at the left side and the right side of the strip-shaped fixing plate 5, the strip-shaped fixing plate 5 is connected with the two bridge floors 1 through the two groups of elastic connecting mechanisms, strip-shaped containing plates 6 are fixedly connected above the two opposite sides of the two bridge floors 1, and containing grooves are respectively arranged at the two opposite sides of the two strip-shaped containing plates 6, the two single-sided tooth-shaped connecting plates 4 are respectively arranged in the two accommodating grooves in a sliding manner, the two groups of elastic telescopic mechanisms are respectively arranged in the two accommodating grooves, and the strip-shaped accommodating plate 6 is connected with the single-sided tooth-shaped connecting plates 4 through the one-way telescopic mechanisms.
As shown in fig. 1 to 4, each set of elastic expansion mechanism includes a plurality of first springs 7, the plurality of first springs 7 are disposed in the accommodating grooves, and two ends of the plurality of first springs 7 are respectively fixedly connected to the groove bottoms of the accommodating grooves and the single-sided tooth-shaped connecting plate 4.
When the external temperature is higher, the tip of bridge floor 1 expands and removes to bar fixed plate 5 direction, and the tip of bridge floor 1 can drive bar storage plate 6 and remove to two-sided profile of tooth connecting plate 3, can make single face profile of tooth connecting plate 4 remove in accomodating the groove, and single face profile of tooth connecting plate 4 can keep closely the counterbalance state with two-sided profile of tooth connecting plate 3 under the effect of a plurality of first springs 7, then can satisfy bridge floor 1 flexible, and can shelter from the surface at expansion joint, avoid soil stone sand gravel to get into in the expansion joint and influence bridge floor 1 flexible, and simultaneously, when the expansion joint enlarges, the top still keeps more level between two bridge floors 1, the vehicle of being convenient for passes, be convenient for people to use.
As shown in fig. 2 and 4, a set of telescopic grooves are formed in two opposite sides of each of the two single-sided tooth-shaped connecting plates 4, a set of guide rods 8 are slidably arranged in the two sets of telescopic grooves, two opposite ends of each of the two sets of guide rods 8 are fixedly connected with the bottoms of the two accommodating grooves respectively, and the two sets of guide rods 8 are movably sleeved with the two sets of first springs 7 respectively, so that the single-sided tooth-shaped connecting plates 4 can be guided when sliding in the telescopic grooves, and the single-sided tooth-shaped connecting plates 4 are more stable when moving.
As shown in fig. 2, each set of elastic connection mechanism includes a plurality of second springs 9, a plurality of first U-shaped rods 10 and a plurality of second U-shaped rods 11, the plurality of second springs 9 are located between the bridge deck 1 and the bar-shaped fixing plate 5, and both ends of the second springs 9 are respectively and fixedly connected with the bridge deck 1 and the bar-shaped fixing plate 5, the plurality of first U-shaped rods 10 and the plurality of second U-shaped rods 11 are located between the bridge deck 1 and the bar-shaped fixing plate 5, the plurality of first U-shaped rods 10 are respectively and fixedly connected with the bridge deck 1, the plurality of second U-shaped rods 11 are respectively and fixedly connected with the bar-shaped fixing plate 5, the plurality of first U-shaped rods 10 are respectively and movably sleeved with the plurality of second U-shaped rods 11, so as to connect the two bridge decks 1 with the bar-shaped fixing plate 5, and be capable of extending and retracting.
As shown in fig. 2, all be provided with between every bridge floor 1 and the bar fixed plate 5 and prevent that soil fills up 12, the left and right sides that prevents soil and fill up 12 respectively with bridge floor 1 and bar fixed plate 5 fixed connection, and prevent that the side of soil filling up 12 is the corrugate setting, can shelter from the gap between two bridge floors 1 and the bar fixed plate 5, avoid the earth and rock sand gravel to get into.
As shown in fig. 1 and 5, a plurality of vertically arranged limiting rods 13 are fixedly connected to two sides of the upper end of each pier 2, a plurality of kidney slots are formed in two opposite ends of the lower side of each bridge deck 1, and the two limiting rods 13 can be slidably inserted into the two kidney slots respectively to limit the connection between the bridge deck 1 and the piers 2.
The working principle of the utility model is as follows: when ambient temperature is higher, the tip of bridge floor 1 expands and removes to 5 directions of bar fixed plate, and the tip of bridge floor 1 can drive bar storage plate 6 and remove to two-sided profile of tooth connecting plate 3, can make single face profile of tooth connecting plate 4 remove in accomodating the groove, and single face profile of tooth connecting plate 4 can keep inseparable counterbalance state with two-sided profile of tooth connecting plate 3 under the effect of a plurality of first springs 7, then can satisfy bridge floor 1 flexible, and can shelter from the surface at the expansion joint, avoid among the soil stone sand gravel entering expansion joint and influence bridge floor 1 flexible, and simultaneously, when the expansion joint enlarges, the top still keeps more level and smooth between two bridge floors 1, the vehicle of being convenient for passes, be convenient for people to use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Overhead junction profile of tooth expansion joint structure includes two bridge decks (1), pier (2), two-sided profile of tooth connecting plate (3) and two single face profile of tooth connecting plates (4), its characterized in that: the bridge structure is characterized by further comprising two groups of elastic telescopic mechanisms and two groups of elastic connecting mechanisms, the middle part of the upper end of each pier (2) is fixedly connected with a bar-shaped fixed plate (5), the double-sided tooth-shaped connecting plates (3) are fixedly arranged in the middle of the upper side of the bar-shaped fixed plate (5), the two bridge floors (1) can be slidably arranged above the piers (2) and are respectively positioned on the left side and the right side of the bar-shaped fixed plate (5), the two groups of elastic connecting mechanisms are respectively positioned on the left side and the right side of the bar-shaped fixed plate (5), the bar-shaped fixed plate (5) is connected with the two bridge floors (1) through the two groups of elastic connecting mechanisms, bar-shaped containing plates (6) are fixedly connected above the two opposite sides of the two bridge floors (1), containing grooves are respectively formed in the two opposite sides of the two bar-shaped containing plates (6), and the two single-sided tooth-shaped connecting plates (4) are respectively slidably arranged in the two containing grooves, the two sets of elastic telescopic mechanisms are respectively arranged in the two accommodating grooves, and the strip-shaped accommodating plate (6) is connected with the single-face tooth-shaped connecting plate (4) through the one-way telescopic mechanism.
2. The tooth-shaped expansion joint structure at the overhead connection part according to claim 1, characterized in that: each group of elastic telescopic mechanism comprises a plurality of first springs (7), the first springs (7) are arranged in the accommodating grooves, and two ends of each first spring (7) are fixedly connected with the groove bottom of the accommodating groove and the single-face tooth-shaped connecting plate (4) respectively.
3. The overhead connection tooth form expansion joint structure of claim 2, wherein: a set of telescopic grooves are formed in the two opposite sides of the two single-face tooth-shaped connecting plates (4), a set of guide rods (8) are arranged in the telescopic grooves in a sliding mode, the two opposite ends of each guide rod (8) are fixedly connected with the bottoms of the two accommodating grooves respectively, and the two sets of guide rods (8) are movably sleeved with the two sets of first springs (7) respectively.
4. The overhead connection tooth form expansion joint structure of claim 3, wherein: every group elastic connection mechanism includes a plurality of second spring (9), a plurality of first U-shaped pole (10) and a plurality of second U-shaped pole (11), and is a plurality of second spring (9) all are located between bridge floor (1) and bar fixed plate (5), and both ends respectively with bridge floor (1) and bar fixed plate (5) fixed connection about second spring (9), and are a plurality of first U-shaped pole (10) and a plurality of second U-shaped pole (11) all are located between bridge floor (1) and bar fixed plate (5), and are a plurality of first U-shaped pole (10) all with bridge floor (1) fixed connection, a plurality of second U-shaped pole (11) all with bar fixed plate (5) fixed connection, a plurality of first U-shaped pole (10) establishes with a plurality of second U-shaped pole (11) movable sleeve respectively.
5. The overhead connection tooth form expansion joint structure of claim 4, wherein: every all be provided with between bridge floor (1) and bar fixed plate (5) and prevent native pad (12), the left and right sides that prevents native pad (12) is respectively with bridge floor (1) and bar fixed plate (5) fixed connection, and prevents that the side of native pad (12) is the corrugate setting.
6. The overhead connection tooth form expansion joint structure of claim 5, wherein: the bridge pier is characterized in that a plurality of limiting rods (13) which are vertically arranged are fixedly connected to two sides of the upper end of the bridge pier (2), a plurality of kidney-shaped grooves are formed in two opposite ends of the lower side of the bridge floor (1), and the limiting rods (13) can be inserted into the kidney-shaped grooves in a sliding mode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220615797.6U CN216999280U (en) | 2022-03-16 | 2022-03-16 | Tooth-shaped expansion joint structure at overhead joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220615797.6U CN216999280U (en) | 2022-03-16 | 2022-03-16 | Tooth-shaped expansion joint structure at overhead joint |
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| CN216999280U true CN216999280U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220615797.6U Active CN216999280U (en) | 2022-03-16 | 2022-03-16 | Tooth-shaped expansion joint structure at overhead joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856272A (en) * | 2023-08-31 | 2023-10-10 | 福建省高速公路科技创新研究院有限公司 | Cast-in-situ water stop device for bridge deformation and construction method thereof |
-
2022
- 2022-03-16 CN CN202220615797.6U patent/CN216999280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856272A (en) * | 2023-08-31 | 2023-10-10 | 福建省高速公路科技创新研究院有限公司 | Cast-in-situ water stop device for bridge deformation and construction method thereof |
| CN116856272B (en) * | 2023-08-31 | 2023-11-17 | 福建省高速公路科技创新研究院有限公司 | Cast-in-situ water stop device for bridge deformation and construction method thereof |
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