CN107190656B - Transverse automatic deviation correcting device for bent bridge body and installation method thereof - Google Patents
Transverse automatic deviation correcting device for bent bridge body and installation method thereof Download PDFInfo
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- CN107190656B CN107190656B CN201710601606.4A CN201710601606A CN107190656B CN 107190656 B CN107190656 B CN 107190656B CN 201710601606 A CN201710601606 A CN 201710601606A CN 107190656 B CN107190656 B CN 107190656B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The invention relates to a transverse automatic deviation correcting device for a curved bridge body, which comprises a reaction frame, a reaction spring device and reaction caps, wherein the reaction caps are fixedly arranged on two sides of a pier column, the reaction frame corresponds to the reaction caps and is fixedly arranged at the bottom of the bridge body through anchor bolts, the reaction frame moves along with the movement of the bridge body, and the reaction spring device is arranged between the reaction frame and the reaction caps. The invention also discloses a construction method of the automatic deviation correcting device. The transverse automatic deviation correcting device for the bent bridge body can be used for correcting and resetting the existing transverse deviation-correcting bridge body, and meanwhile, the bridge body can be prevented from generating transverse deviation again, and repeated deviation correcting of the bridge body is avoided.
Description
Technical Field
The invention relates to a transverse automatic deviation correcting device of a bent bridge body and an installation method thereof, in particular to a transverse automatic deviation correcting device of the bent bridge body for correcting and preventing single-column pier bent bridge body transverse deviation diseases and an installation method thereof, and belongs to the technical field of transverse deviation correcting of bridge bodies.
Background
At present, single piers and single box girders on domestic highway and railway bridges are increasingly widely applied, and under the condition of smaller curve sections, particularly turning radii, the upper structure of the bridge is increasingly obviously affected by transverse horizontal impact force and temperature difference. When the force generated by the superposition of the horizontal thrust generated by the transverse horizontal impact force and the temperature difference change is larger than the friction force between the contact surface of the beam body and the support, the beam body generates transverse displacement, the transverse displacement of the beam body is gradually increased under the action of the long-term transverse horizontal impact force and the temperature difference, and the operation and the use of the bridge are brought with great potential safety hazards, and meanwhile, the support is biased due to the transverse displacement of the beam body, so that the damage of the support is accelerated.
When the bridge body of the bridge generates transverse displacement, the bridge body needs to be rectified, the traditional method is that the bridge body needs to be rectified when being deviated, but after a certain period of operation and service life, the bridge body often needs to be rectified for two times or even more times, so that great workload is brought to the operation and maintenance of the bridge, and huge unnecessary economic loss is caused. The invention changes the traditional manual active correction into automatic correction of the bridge body by the transverse automatic correction device of the bent bridge body, thereby avoiding repeated manual correction work.
Disclosure of Invention
The invention aims to solve the technical problem of providing a transverse automatic deviation correcting device for a bent bridge body and an installation method thereof, when the bridge body generates transverse displacement, the bridge body can be automatically corrected to a design position, and the problem of repeated deviation correction of the transverse displacement of the bridge body is solved.
In order to solve the problems, the invention adopts the following technical scheme:
a transverse automatic deviation correcting device for a curved bridge body is characterized in that: the reaction frame is fixedly arranged on two sides of the pier stud, the reaction frame corresponds to the reaction cap and is fixedly arranged at the bottom of the beam body through an anchor bolt, the reaction frame moves along with the beam body, and a reaction spring device is arranged between the reaction frame and the reaction cap.
As a further development of the invention, the reaction spring device comprises a reaction spring arranged between the reaction frame and the reaction cap and a protective sleeve arranged outside the reaction spring.
As a further improvement of the invention, one side of the counterforce cap, which is positioned on the pier stud, is a curved surface, the other side of the counterforce cap is a plane, a groove is arranged on the plane, one end of the counterforce spring is arranged on the counterforce frame, and the other end of the counterforce spring is arranged in the groove.
As a further improvement of the invention, the protective sleeve is made of stainless steel, and a gap is reserved between the protective sleeve and the counter-force cap and/or the counter-force frame.
As a further development of the invention, the reaction spring device further comprises a reaction column located between the reaction frame and the reaction cap, the reaction column being arranged in the reaction spring.
As a further development of the invention, a gap is left between the reaction column and the reaction cap and/or reaction frame.
As a further improvement of the invention, the reaction column is a rubber or stainless steel column.
As a further improvement of the invention, the automatic deviation correcting device further comprises a displacement graduated scale, and the displacement graduated scale is arranged between the fixed reaction frame and the pier stud.
As a further improvement of the invention, the automatic deviation correcting device further comprises a reaction frame base, wherein the reaction frame base is fixedly arranged at the bottom of the beam body through the anchoring bolt, and the reaction frame is arranged on the reaction frame base.
A method for installing a transverse automatic deviation correcting device of a curved bridge body comprises the following steps:
1) A proper position is selected to be perforated and planted with an anchor bolt, and a reaction frame base is installed;
2) Installing and debugging the reaction frame to a proper position on the reaction frame base and fixing the reaction frame;
3) Installing a counterforce cap on the pier stud;
4) Correcting the transverse deviation of the beam body to a designed position by adopting a jack;
5) Removing the jack, installing a reaction spring device between the reaction frame and the pressure cap, readjusting the position of the reaction frame and fixing the reaction frame;
6) And carrying out external packing protection on the automatic deviation correcting device.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the transverse automatic deviation correcting device for the bent bridge body is applied to bridge body deviation disease correction, and transmits transverse internal force generated by the transverse deviation of the bridge body to the pier column through the synergistic effect of the counter-force frame, the counter-force spring device and the counter-force cap, the position of the pier column is kept unchanged, and the bridge body is corrected to the designed state position from the transverse deviation state position under the action of the counter-force spring device, so that the effect of limiting and correcting the transverse displacement of the bridge body is achieved.
The device can well solve the problem of repeated correction of the transverse displacement of the bridge body, and can automatically correct the bridge body to the design position when the bridge body generates the transverse displacement. The invention can obtain larger economic benefit and social benefit with smaller economic cost. The transverse automatic deviation correcting device for the bent bridge body is of a split type structure and is convenient to detach and assemble.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a general layout of a bridge beam transverse automatic deviation correcting device in the invention.
Fig. 2 is a top partial cross-sectional view of the bridge beam body transverse automatic deviation correcting device in the invention.
Fig. 3 is a top partial cross-sectional view of another embodiment of the automatic deviation correcting device of the present invention.
Wherein: 1 beam body, 2 support, 3 pier stud, 4 reaction frame, 5 reaction frame base, 6 anchor bolts, 7 reaction spring device, 7-1 protective sleeve, 7-2 reaction spring, 7-3 reaction post, 8 reaction block, 9 displacement scale, 10 recess.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
The transverse automatic deviation correcting device for the curved bridge body comprises a reaction frame 4, a reaction frame base 5, an anchoring bolt 6, a reaction spring device 7 and reaction caps 8, wherein the reaction caps 8 are fixedly arranged on two sides of a pier column 3.
The reaction frame 4 corresponds reaction cap 8 sets up, and reaction frame base 5 passes through anchor bolt 6 fixed setting in roof beam body 1 bottom, adopts bolt swing joint between reaction frame and 4 and the reaction frame base 5, and this kind of design is convenient for adjust the interval between reaction frame 4 and the reaction cap 5, makes things convenient for the installation of reaction spring device 7. The reaction frame 4 moves along with the movement of the beam body 1, and a reaction spring device 7 is arranged between the reaction frame 4 and the reaction cap 8. The counter force block 8 is located pier stud 3 one side and is curved surface, the opposite side is the plane, be provided with recess 10 on the plane, counter force spring assembly 7 one end insert in the recess 10 of counter force block 8, easy to assemble adjustment. The counter-force cap 8 is arranged on one side of the pier stud 3 and is arranged to be a curved surface matched with the cylindrical surface of the pier stud 3, so that the counter-force cap is convenient to install and fix with the pier stud 3. As shown in fig. 1, a support 2 is arranged between the beam body 1 and the pier column 3.
The automatic deviation correcting device further comprises a displacement graduated scale 9, so that the beam body deviation condition can be checked at a later stage. The displacement scale 9 is arranged between the fixed reaction frame 4 and the pier column 3.
The reaction force spring device 7 comprises a reaction force spring 7-2 arranged between the reaction force frame 4 and the reaction force cap 8, a protection sleeve 7-1 arranged outside the reaction force spring 7-2, and a reaction force column 7-3 arranged between the reaction force frame 4 and the reaction force cap 8, wherein the reaction force column 7-3 is arranged in the reaction force spring 7-2. The protection sleeve 7-1 plays a role in protecting and limiting the counterforce spring 7-2, prevents the counterforce spring 7-2 from changing in position and ensures that the counterforce spring 7-2 cannot be distorted, one end of the counterforce spring 7-2 is arranged on the counterforce frame 4, and the other end of the counterforce spring is arranged in the groove 10. The protection sleeve 7-1 is made of rubber or stainless steel, the elastic deformation amplitude of the rubber is larger, the protection sleeve 7-1 made of rubber can be in direct contact with the counter-force frame 4 and the counter-force cap 8, and if the protection sleeve 7-1 is made of stainless steel, a gap is reserved between the protection sleeve 7-1 and the counter-force cap 8 and/or the counter-force frame 4. Similarly, the reaction column 7-3 is a rubber or stainless steel column, the elastic deformation amplitude of the rubber is larger, the reaction column 7-3 made of rubber can be in direct contact with the reaction frame 4 and the reaction cap 8, and if the stainless steel reaction column is adopted, a gap is reserved between the reaction column 7-3 and the reaction cap 8 and/or the reaction frame 4.
As shown in fig. 2, a groove 10 is formed in the reaction cap 8, one end of the reaction spring device 7 is mounted on the reaction frame 4, the other end of the reaction spring device is placed in the groove 10, and a certain gap is reserved between the steel protection sleeve 7-1 and the steel reaction column 7-3 and the bottom of the groove 10 in the reaction cap 8.
As shown in fig. 3, a groove 10 is provided in the reaction cap 8, a corresponding groove 10 is also provided in the reaction frame 4, a reaction spring device 7 is provided between the two grooves 10, and a certain gap is left between the two grooves 1-by the steel protective sleeve 7-1 and the steel reaction column 7-3.
When the beam body is about to generate transverse displacement, the transverse displacement of the bridge beam body is limited by the action of the counter-force spring 7-2 and the internal force of the pier column, and when the horizontal thrust force born by the beam body is larger and the transverse displacement of a larger amplitude occurs, the transverse displacement of the bridge beam body is limited by the action of the protection sleeve 7-1, the counter-force spring 7-2 and the counter-force column 7-3 together and the internal force of the pier column, so that the bridge beam body is always kept at the design position.
The installation method of the transverse automatic deviation correcting device for the curved bridge body comprises the following steps:
1) A proper position is selected to be perforated and planted with an anchor bolt 6 on the beam body 1, and a reaction frame base 5 is installed;
2) Installing a debugging reaction frame 4 to a proper position on the reaction frame base 5 and fixing the reaction frame 4;
3) Installing a counter-force cap 8 on the pier stud 3;
4) Correcting the transverse deviation of the beam body 1 to a designed position by adopting a jack;
5) Removing the jack, installing a counter-force spring device 7 between the counter-force frame 4 and the pressure cap 8, readjusting the position of the counter-force frame 4 and fixing;
6) And carrying out external packing protection on the automatic deviation correcting device.
The transverse automatic deviation correcting device for the bent bridge body is arranged on the bridge body and the bridge pier column. The basic principle is as follows: when the bridge beam body is required to generate transverse displacement, the counterforce device arranged on the beam body is contacted with the bridge pier, and the transverse displacement of the bridge beam body is limited by the internal force action of the counterforce device and the bridge pier, so that the bridge beam body is always kept at the design position.
The main mechanism of the transverse automatic deviation correcting device for the bent bridge body comprises a reaction frame, a reaction spring device and a reaction cap. Firstly, correcting the transverse deviation of the bridge body, and debugging a counter-force spring device after the bridge body is positioned at a design position. When the bridge body of the bridge generates transverse displacement again, the internal force generated by the transverse displacement of the bridge body is transmitted to the pier column through a stress structure system formed by the counter force spring device, the counter force frame and the counter force cap. Because the pier column position is unchanged, a force-bearing structure system consisting of a reaction spring device, a reaction frame and a reaction cap is used for applying thrust opposite to the transverse displacement direction of the force-bearing structure system to Liang Tishi, so that the effect of limiting and correcting the transverse displacement of the beam body is achieved.
The position of the reaction frame of the transverse automatic deviation correcting device for the bent bridge body can be adjusted transversely on the beam body. The design is convenient for adjust the interval between reaction frame and the reaction lid, makes things convenient for the installation of reaction spring device. The reaction frame and the beam body are movably connected through a reaction frame base, and the reaction frame base is fixedly arranged on the beam body through an anchor bolt.
After correcting the transverse deviation of the beam body, the transverse automatic deviation correcting device for the bent bridge body locks the positions of all mechanisms, installs a displacement graduated scale and zeroes the displacement graduated scale so as to facilitate the later-stage detection of the beam body deviation condition.
The transverse automatic deviation correcting device for the bent bridge body can be used for correcting and resetting the existing transverse deviation-correcting bridge body, and meanwhile, the bridge body can be prevented from generating transverse deviation again, and repeated deviation correcting of the bridge body is avoided. The device can adjust the size of the mechanism according to the beam body and pier column forms, and is convenient to process, manufacture, install and use.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A transverse automatic deviation correcting device of a curved bridge body is characterized in that: the device comprises a counterforce frame (4), counterforce spring devices (7) and counterforce caps (8), wherein the counterforce caps (8) are fixedly arranged on two sides of a pier column (3), the counterforce frame (4) corresponds to the counterforce caps (8) and is fixedly arranged at the bottom of a beam body (1) through anchor bolts (6), the counterforce frame (4) moves along with the movement of the beam body (1), and the counterforce spring devices (7) are arranged between the counterforce frame (4) and the counterforce caps (8);
the reaction spring device (7) comprises a reaction spring (7-2) arranged between the reaction frame (4) and the reaction cap (8) and a protection sleeve (7-1) arranged outside the reaction spring (7-2), the reaction spring device (7) further comprises a reaction column (7-3) arranged between the reaction frame (4) and the reaction cap (8), and the reaction column (7-3) is arranged in the reaction spring (7-2);
the reaction cap (8) is positioned on one side of the pier column (3) and is a curved surface, the other side of the pier column is a plane, a groove (10) is formed in the plane, one end of the reaction spring (7-2) is arranged on the reaction frame (4), and the other end of the reaction spring is arranged in the groove (10);
the protection sleeve (7-1) is made of stainless steel, and a gap is reserved between the protection sleeve (7-1) and the counter-force cap (8) and/or the counter-force frame (4).
2. The device for automatically correcting the transverse direction of a curved bridge according to claim 1, wherein: a gap is reserved between the counter force column (7-3) and the counter force cap (8) and/or the counter force frame (4).
3. The device for automatically correcting the transverse direction of a curved bridge according to claim 1, wherein: the counterforce column (7-3) is a rubber or stainless steel column.
4. The device for automatically correcting the transverse direction of a curved bridge according to claim 1, wherein: the automatic deviation correcting device further comprises a displacement graduated scale (9), and the displacement graduated scale (9) is arranged between the reaction frame (4) and the pier column (3).
5. The device for automatically correcting the transverse direction of a curved bridge according to claim 1, wherein: the automatic deviation correcting device further comprises a counterforce frame base (5), the counterforce frame base (5) is fixedly arranged at the bottom of the beam body (1) through the anchor bolts (6), and the counterforce frame (4) is arranged on the counterforce frame base (5).
6. A method of installing a curved bridge body automatic transverse deviation-correcting device, as claimed in any one of claims 1-5, comprising the steps of:
1) A proper position is selected to be perforated and planted with an anchor bolt (6) on the beam body (1), and a reaction frame base (5) is installed;
2) Installing a debugging reaction frame (4) on the reaction frame base (5) to a proper position and fixing the reaction frame (4);
3) Installing a counterforce cap (8) on the pier stud (3);
4) Correcting the transverse deviation of the beam body (1) to a designed position by adopting a jack;
5) Removing the jack, installing a counter-force spring device (7) between the counter-force frame (4) and the pressure cap (8), readjusting the position of the counter-force frame (4) and fixing;
6) And carrying out external packing protection on the automatic deviation correcting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601606.4A CN107190656B (en) | 2017-07-21 | 2017-07-21 | Transverse automatic deviation correcting device for bent bridge body and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601606.4A CN107190656B (en) | 2017-07-21 | 2017-07-21 | Transverse automatic deviation correcting device for bent bridge body and installation method thereof |
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| CN107190656A CN107190656A (en) | 2017-09-22 |
| CN107190656B true CN107190656B (en) | 2023-10-20 |
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| CN201710601606.4A Active CN107190656B (en) | 2017-07-21 | 2017-07-21 | Transverse automatic deviation correcting device for bent bridge body and installation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252198A (en) * | 2017-12-29 | 2018-07-06 | 中铁大桥局集团第八工程有限公司 | A kind of bridge structure for being equipped with horizontal wind-proof device |
| CN112252173B (en) * | 2020-11-05 | 2022-05-13 | 重庆交通大学 | Automatic deviation rectifying device for transverse creeping diseases of curved beam bridge body |
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| CN105158064A (en) * | 2015-09-30 | 2015-12-16 | 三峡大学 | Counterforce loading frame for multifunctional self-balancing type continuous beam test |
| CN106436590A (en) * | 2016-10-28 | 2017-02-22 | 柳州欧维姆工程有限公司 | Annular pre-stress anchoring counter-force rectification device for bridge horizontal rectification |
| CN106638273A (en) * | 2016-11-30 | 2017-05-10 | 长江师范学院 | Column pier type bridge anti-shifting device and column pier type bridge anti-shifting method |
| CN207159839U (en) * | 2017-07-21 | 2018-03-30 | 贝正河北工程技术有限公司 | Curved bridge transverse direction automatic deviation rectifying device |
-
2017
- 2017-07-21 CN CN201710601606.4A patent/CN107190656B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158064A (en) * | 2015-09-30 | 2015-12-16 | 三峡大学 | Counterforce loading frame for multifunctional self-balancing type continuous beam test |
| CN106436590A (en) * | 2016-10-28 | 2017-02-22 | 柳州欧维姆工程有限公司 | Annular pre-stress anchoring counter-force rectification device for bridge horizontal rectification |
| CN106638273A (en) * | 2016-11-30 | 2017-05-10 | 长江师范学院 | Column pier type bridge anti-shifting device and column pier type bridge anti-shifting method |
| CN207159839U (en) * | 2017-07-21 | 2018-03-30 | 贝正河北工程技术有限公司 | Curved bridge transverse direction automatic deviation rectifying device |
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