CN214939413U - Prestressed bridge structure amount of deflection control and reinforcing apparatus - Google Patents
Prestressed bridge structure amount of deflection control and reinforcing apparatus Download PDFInfo
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- CN214939413U CN214939413U CN202022778109.1U CN202022778109U CN214939413U CN 214939413 U CN214939413 U CN 214939413U CN 202022778109 U CN202022778109 U CN 202022778109U CN 214939413 U CN214939413 U CN 214939413U
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Abstract
The utility model discloses a prestressed bridge structure amount of deflection control and reinforcing apparatus, including fixing support, fixing fastener, connecting piece, small-size jack and bridge amount of deflection tester and siren. The deflection control and reinforcement device of the prestressed bridge structure fixes a prestressed pipeline on a prestressed bridge through a fixed support, effectively prevents the prestressed pipeline from swinging left and right, is installed on the fixed support through a connecting piece and supports a fixed fastener, controls the deflection of the prestressed pipeline by controlling the elongation of a telescopic rod of a small jack under the support of the fixed fastener, collects deflection change data through a beam deflection tester and an alarm, structurally improves the stress performance of the bridge, controls the generation of cracks of a bridge body, enables the line type of the bridge body to meet the design requirement, and ensures the safety of the prestressed bridge.
Description
Technical Field
The utility model relates to a prestressed bridge structure amount of deflection control and reinforcing apparatus belongs to bridge prestressing force technical field.
Background
With the progress of bridge engineering construction in China, a prestressed structure bridge becomes the mainstream of bridge engineering at present as a bridge construction mode for improving the stress of the bridge and reinforcing the bridge without influencing the normal use of the bridge through a structure, the prestressed technology is widely applied in various fields of engineering at present, and the prestressed structure bridge has the characteristics of active bearing, convenient construction, excellent effect and the like, and is very popular in the bridge field in recent years. In the middle of the prestressed technology, the prestressed structure reinforcing device plays an important role in the design and construction of the prestressed structure bridge, the performance of the reinforcing device directly influences the structural rigidity, the strength and the use function of the bridge reinforcing engineering, the continuous development of novel prestressed structure reinforcing members and installation technology is realized, and the application of the prestressed technology in the middle of bridge reinforcing is further realized. Therefore, it is necessary to develop a prestressed bridge structure deflection control and reinforcement device with convenient operation and high safety.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a prestressed bridge structure amount of deflection control and reinforcing apparatus from the atress performance of structural improvement bridge, guarantees prestressed bridge's security, and convenient operation, low cost.
The utility model discloses a prestressed bridge structure amount of deflection control and reinforcing apparatus, including following technical scheme:
a prestressed bridge structure deflection control and reinforcement device comprises a fixed support, a fixed fastener, a connecting piece, a small jack, a bridge deflection tester and an alarm;
the fixed support comprises a bottom plate and two side plates I, wherein the two side plates I are arranged in parallel at intervals, and the bottoms of the two side plates I are vertically fixed on the bottom plate; the bottom plate is used for being connected with the prestressed bridge; a first hole is formed in the first side plate, and the diameter of the first hole is matched with the outer diameter of the prestressed pipeline; the first side plate is also provided with a first connecting hole;
the fixed fastener comprises a connecting plate and two side plates II, wherein the side plates II are arranged in parallel at intervals, and one end of each side plate II is vertically fixed on the connecting plate; a second hole with a notch is formed in the second side plate, and a ring buckle is arranged at the notch;
the end part of a telescopic rod of the small jack is fixed with the connecting plate, an ear plate is arranged on the side part of the jack, and a connecting hole II is formed in the ear plate;
the connecting piece penetrates through the connecting hole I and the connecting hole II;
the bridge deflection tester and the alarm are arranged on the connecting plate.
Furthermore, the ring buckle comprises an annular cavity arranged on the second side plate and an annular lock rod matched with the annular cavity, and the annular lock rod can slide and lock in the annular cavity.
Furthermore, the connecting piece is a connecting steel pipe, and two ends of the connecting piece respectively penetrate through connecting holes on the prestressed bridge structure deflection control and reinforcing device side plates on two sides and are fixed together.
Further, the prestressed bridge structure is provided with embedded bolts, the bottom plate of the fixing support is provided with bolt holes, and the positions of the bolt holes are matched with the positions of the embedded bolts.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect: the deflection control and reinforcement device of the prestressed bridge structure fixes a prestressed pipeline on a prestressed bridge through a fixed support, effectively prevents the prestressed pipeline from swinging left and right, is installed on the fixed support through a connecting piece and supports a fixed fastener, controls the deflection of the prestressed pipeline by controlling the elongation of a telescopic rod of a small jack under the support of the fixed fastener, collects deflection change data through a beam deflection tester and an alarm, structurally improves the stress performance of the bridge, controls the generation of cracks of a bridge body, enables the line type of the bridge body to meet the design requirement, and ensures the safety of the prestressed bridge.
Drawings
Fig. 1 is a schematic structural view of a deflection control and reinforcement device for a prestressed bridge structure according to the present invention;
fig. 2 is a schematic structural view of the fixing support in the present invention;
fig. 3 is the schematic structural diagram of the fixing fastener, the small jack, the bridge deflection tester and the alarm of the present invention.
The numbers in the figures are as follows:
1-prestressed pipe;
10-fixing a support; 11-a base plate; 12-side plate one; 121-hole one; 122-connecting hole one;
20-a securing fastener; 21-a connecting plate; 22-side plate II; 221-hole two; 222-a buckle;
30-a connector; 40-a small jack; 41-ear plate; 411-connecting hole two; 50-bridge deflection tester and alarm.
Detailed Description
The invention provides a prestressed bridge structure deflection control and reinforcement device, which is described in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Referring to fig. 1 to 3, the deflection control and reinforcement apparatus for a prestressed bridge structure according to the present embodiment includes a fixed support 10, a fixed fastener 20, a connecting member 30, a small jack 40, and a bridge deflection tester and alarm 50.
Referring to fig. 1 and 2, the fixed support 10 includes a bottom plate 11 and two first side plates 12, wherein the two first side plates 12 are disposed in parallel and spaced apart from each other, and the bottom is vertically fixed on the bottom plate 11. The bottom plate 11 is used for being connected with the prestressed bridge, for example, the prestressed bridge sets up a plurality of rows of stand columns along length direction, and the bottom plate 11 sets up in corresponding stand column top, and further, is provided with buried bolt in advance on the stand column, set up the bolt hole on fixing support's the bottom plate, the position of bolt hole and buried bolt in advance's position phase-match set up buried bolt in advance and are convenient for fixing support's installation. The first side plate 12 is provided with a first hole 121, the diameter of the first hole 121 is matched with the outer diameter of the prestressed pipeline 1, a steel strand is arranged in the prestressed pipeline 1, and prestress is applied through the steel strand, so that the prestressed pipeline 1 has certain deformability. The first side plate 12 is further provided with a first connecting hole 122, and the first connecting hole 122 is used for fixing the connecting piece 30.
Referring to fig. 1 and 3, the fixing fastener 20 includes a connecting plate 21 and two second side plates 22, the second side plates 22 are disposed in parallel at intervals, and one end of each of the second side plates 22 is vertically fixed on the connecting plate 21. A second hole 221 with a notch is formed in the second side plate 22, the diameter of the first hole 121 is matched with the outer diameter of the prestressed pipe 1, and a buckle 222 is arranged at the notch. The notch is provided for facilitating the fastening of the second side plate 22 on the prestressed pipe 1, and the ring fastener 222 is provided for realizing the firm connection between the second side plate 22 and the prestressed pipe 1. By way of example, the ring buckle 222 is in the form of an annular cavity in the side plate 22, an annular locking bar is arranged in the annular cavity, the annular locking bar is rotated to close the gap, and then the annular locking bar is locked.
As shown in fig. 1 to 3, the end of the telescopic rod of the small jack 40 is fixed to the connecting plate 21, the jack side is provided with an ear plate 41, the ear plate 41 is provided with a second connecting hole 411, and the second connecting hole 411 is used for fixing the small jack 40 to the connecting member 30. The connecting piece can be a steel pipe, and two ends of the connecting piece are respectively fixed with the second connecting holes on the second side plates of the two prestressed bridge structure deflection control and reinforcement devices. There are at least two parallel connecting members 30 spaced below the fastening member 20. The bridge deflection tester and the alarm 50 are arranged on the connecting plate 21 and used for measuring the displacement of the prestressed pipeline so as to judge the deflection of the prestressed pipeline, and when the deflection of the prestressed pipeline meets the requirement, warning information is sent out to prompt an operator to stop the operation of the small jack.
The installation method comprises the steps that a plurality of fixed supports are sleeved on a prestressed pipeline, and then the fixed supports are sequentially fixed on corresponding vertical columns of the prestressed bridge; and then, the ear plates of the small jack are sleeved on the connecting piece through the connecting holes, are buckled on the prestressed pipeline through the side plates and are locked through the ring buckles, and then the two ends of the connecting piece penetrate through the connecting holes to fix the end parts. The use method comprises the steps of controlling the deflection of the prestressed pipeline by controlling the elongation of the telescopic rod of the small jack when the deflection of the prestressed pipeline needs to be adjusted, collecting deflection change data by a beam deflection tester and an alarm, structurally improving the stress performance of the bridge, controlling the generation of cracks of the bridge body, enabling the line type of the bridge body to meet design requirements, and ensuring the safety of the prestressed bridge.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. The device for controlling and reinforcing the deflection of the prestressed bridge structure is characterized by comprising a fixed support, a fixed fastener, a connecting piece, a small jack, a bridge deflection tester and an alarm;
the fixed support comprises a bottom plate and two side plates I, wherein the two side plates I are arranged in parallel at intervals, and the bottoms of the two side plates I are vertically fixed on the bottom plate; the bottom plate is used for being connected with the prestressed bridge; a first hole is formed in the first side plate, and the diameter of the first hole is matched with the outer diameter of the prestressed pipeline; the first side plate is also provided with a first connecting hole;
the fixed fastener comprises a connecting plate and two side plates II, wherein the side plates II are arranged in parallel at intervals, and one end of each side plate II is vertically fixed on the connecting plate; a second hole with a notch is formed in the second side plate, and a ring buckle is arranged at the notch;
the end part of a telescopic rod of the small jack is fixed with the connecting plate, an ear plate is arranged on the side part of the jack, and a connecting hole II is formed in the ear plate;
the connecting piece penetrates through the connecting hole I and the connecting hole II;
the bridge deflection tester and the alarm are arranged on the connecting plate.
2. The apparatus for controlling and reinforcing the deflection of a prestressed bridge structure according to claim 1, wherein said ring fastener comprises an annular cavity formed in said side plates, and an annular locking bar fitted into said annular cavity, said annular locking bar being capable of sliding and locking within said annular cavity.
3. The apparatus for controlling and reinforcing the deflection of a prestressed bridge structure according to claim 1, wherein said connecting members are connecting steel pipes, and both ends of the connecting steel pipes are respectively inserted through the connecting holes of the first side plate of the apparatus for controlling and reinforcing the deflection of the prestressed bridge structure.
4. The apparatus for controlling and reinforcing the deflection of a prestressed bridge structure as claimed in claim 1, wherein the prestressed bridge structure is provided with pre-embedded bolts, the bottom plate of said fixing support is provided with bolt holes, and the positions of the bolt holes are matched with the positions of the pre-embedded bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778109.1U CN214939413U (en) | 2020-11-26 | 2020-11-26 | Prestressed bridge structure amount of deflection control and reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778109.1U CN214939413U (en) | 2020-11-26 | 2020-11-26 | Prestressed bridge structure amount of deflection control and reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214939413U true CN214939413U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022778109.1U Active CN214939413U (en) | 2020-11-26 | 2020-11-26 | Prestressed bridge structure amount of deflection control and reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214939413U (en) |
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- 2020-11-26 CN CN202022778109.1U patent/CN214939413U/en active Active
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