CN219490723U - Limiting device for bridge body and upper column pier during bridge jacking - Google Patents
Limiting device for bridge body and upper column pier during bridge jacking Download PDFInfo
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- CN219490723U CN219490723U CN202320301981.8U CN202320301981U CN219490723U CN 219490723 U CN219490723 U CN 219490723U CN 202320301981 U CN202320301981 U CN 202320301981U CN 219490723 U CN219490723 U CN 219490723U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a limiting device for a bridge body and an upper column pier during bridge jacking, which relates to the technical field of bridge jacking and comprises the following components: the first limiting piece is used for being detachably and fixedly connected with the side wall of the upper pier; the top of the first sliding piece is fixedly connected with the bridge body, and the first sliding piece is connected with the first limiting piece in a jogged manner and can slide relatively in the vertical direction; the limiting piece is used for being fixedly connected with the upper column pier, the second limiting piece is arranged on one side, far away from the first limiting piece, of the upper column pier, and the second limiting piece and the first limiting piece are symmetrically arranged on the section of the fixing shaft of the upper column pier; the top of the second sliding part is fixedly connected with the bridge body, and the second sliding part is in embedded connection with the second limiting part and can slide relatively in the vertical direction.
Description
Technical Field
The utility model relates to the technical field of bridge jacking, in particular to a limiting device for a bridge body and an upper column pier during bridge jacking.
Background
At present, with the development of society and technology, the increasing market of jacking technology in the field of engineering construction is required to be increased, especially, the scientific transformation is implemented on the traditional bridge in the road construction and inland navigation, the net height of the bridge is improved, the bridge transformation difficulty and the engineering cost are reduced, the bridge jacking is the best scheme for solving the problem, and the design requirement that the vertical supporting structure is firstly separated from the upper part and the lower part to be integrally increased in the prior large-size structure exists in the fields.
In order to keep the connection of the original column top and the bridge support to the maximum extent, the existing construction scheme is that the upper pier column is horizontally cut off from the middle of the pier column, the upper pier column is synchronously lifted and increased along with the bridge body, the scheme is designed to be that the jack is integrally lifted, the plane projection position and the vertical direction of the lifting structure body are unchanged only by stabilizing the jack by jacking equipment, or the upper part and the lower part of the pier are subjected to limit guiding by adopting fixed guiding arrangement, the vertical invariance of the upper part and the lower part of the pier is ensured in the lifting process, but due to flexible connection between the bridge body and the upper pier column and through bridge support connection, the problem that the foundation of the back of the lifting is possibly infirm due to the unavoidable manual operation, the equipment operation vibration and the like is solved, and the bridge support is damaged and deformed to influence the continuous use of the bridge support due to the deviation between the bridge body and the upper pier.
Disclosure of Invention
The utility model aims to provide a limiting device for a bridge body and an upper pier during bridge jacking, so as to solve the problems in the prior art, and the limiting device is simple in structure, can effectively limit the relative horizontal displacement of the bridge body and the upper pier, and can effectively protect the relative fixing of the bridge support position.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a limiting device for a bridge body and an upper pier during bridge jacking, which comprises: the device comprises a first limiting piece, a first sliding piece, a second limiting piece and a second sliding piece, wherein the first limiting piece is used for being detachably and fixedly connected with the side wall of an upper pier; the top of the first sliding piece is fixedly connected with the bridge body, and the first sliding piece is connected with the first limiting piece in a jogged manner and can slide relatively in the vertical direction; the limiting piece is used for being fixedly connected with the upper column pier, the second limiting piece is arranged on one side, far away from the first limiting piece, of the upper column pier, and the second limiting piece and the first limiting piece are symmetrically arranged on the section of the fixing shaft of the upper column pier; the top of the second sliding piece is used for being fixedly connected with the bridge body, and the second sliding piece is connected with the second limiting piece in a jogged mode and can slide relatively in the vertical direction.
Preferably, the first limiting part is a first channel steel, the first channel steel is fixedly connected with the upper column pier through a bolt and is vertically arranged, and the groove of the first channel steel faces to one side far away from the column pier.
Preferably, the first slider includes second channel-section steel and third channel-section steel, the second channel-section steel with the perpendicular fixed connection of third channel-section steel, the recess of second channel-section steel sets up down, the second channel-section steel pass through the bolt with the bridge body fixed connection, the third channel-section steel with the indent gomphosis of first channel-section steel is connected and can be in the indent internal vertical direction of first channel-section steel slides.
Preferably, the steel plate further comprises a first ribbed plate, and two ends of the first ribbed plate are fixedly connected with the second channel steel and the third channel steel.
Preferably, the second limiting part is a fourth channel steel, the fourth channel steel is fixedly connected with the upper column pier through a bolt and is vertically arranged, and a groove of the fourth channel steel faces to one side far away from the column pier.
Preferably, the second slider includes fifth channel-section steel and sixth channel-section steel, fifth channel-section steel with the perpendicular fixed connection of sixth channel-section steel, the recess of fifth channel-section steel sets up down, fifth channel-section steel pass through the bolt with the bridge fixed connection, sixth channel-section steel with the indent gomphosis of fourth channel-section steel is connected and can be in the indent internal vertical direction of fourth channel-section steel slides.
Preferably, the steel plate further comprises a second ribbed plate, and two ends of the second ribbed plate are fixedly connected with the fifth channel steel and the sixth channel steel.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a limiting device for a bridge body and an upper pier during bridge jacking, which comprises a first limiting piece, a first sliding piece, a second limiting piece and a second sliding piece, wherein the first limiting piece and the second limiting piece are respectively fixedly arranged at two sides of the upper pier, and are fixedly connected with the bridge body, so that the relative displacement in the horizontal direction between the bridge body and the upper pier can be limited, the damage and the deformation of a bridge support in the jacking process are avoided, the original bridge support can be protected, and the first limiting piece and the first sliding piece can relatively slide in the vertical direction, and the second limiting piece and the second sliding piece can relatively slide in the vertical direction, so that the vertical displacement generated by the inclination angle change of the bridge body in the jacking process can be adapted.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a limiting device for a bridge body and an upper pier in the use process of the utility model;
fig. 2 is a schematic structural view of a first limiting member and a first sliding member in the limiting device for the bridge body and the upper pier in the bridge lifting process;
FIG. 3 is a side view of FIG. 2;
in the figure: 1. a first limiting member; 2. a first slider; 3. a second limiting piece; 4. a second slider; 6. a second channel steel; 7. a third channel steel; 8. a first ribbed plate; 12. a second ribbed plate; 13. a bridge body; 14. an upper pier column; 15. bridge supports; 16. a bridge body connection hole; 17. and the upper column pier connecting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a limiting device for a bridge body and an upper pier during bridge jacking, so as to solve the problems in the prior art, and the limiting device is simple in structure, can effectively limit the relative horizontal displacement of the bridge body and the upper pier, and can effectively protect the relative fixing of the bridge support position.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a limiting device for a bridge body and an upper pier during bridge jacking, which is shown in figures 1-3 and comprises: the first limiting piece 1, the first sliding piece 2, the second limiting piece 3 and the second sliding piece 4, wherein the first limiting piece 1 is used for being detachably and fixedly connected with the side wall of the upper column pier 14; the top of the first sliding piece 2 is fixedly connected with the bridge body 13, and the first sliding piece 2 is connected with the first limiting piece 1 in a jogged manner and can slide relatively in the vertical direction; the limiting piece is fixedly connected with the upper column pier 14, the second limiting piece 3 is arranged on one side of the upper column pier 14, which is far away from the first limiting piece 1, and a plane where the second limiting piece 3 and the first limiting piece 1 are located passes through the center line of the upper column pier 14; the top of second slider 4 is used for with bridge 13 fixed connection, second slider 4 and second locating part 3 gomphosis are connected and can be in vertical direction relative slip, the both sides of upper portion pier 14 are fixed respectively and are set up first locating part 1 and second locating part 3, and with first slider 2 and second slider 4 and bridge 13 fixed connection, can restrict the relative displacement of taking place the horizontal direction between bridge and the upper portion pier 14, thereby avoid causing impaired and deformation to bridge support 15 at the in-process of jacking, can protect bridge support 15 of former, and because first locating part 1 and first slider 2 can take place relative slip in vertical direction, second locating part 3 and second slider 4 can take place relative slip in vertical direction, and be provided with the clearance between first locating part 1 and the first slider 2, be provided with the clearance between second locating part 3 and the second slider 4, can adapt to bridge 13 and take place the inclination change when producing at the jacking in-process, first slider and second slider are to the opposite direction, and simple structure is convenient to use.
In a preferred embodiment, the first limiting part 1 is a first channel steel, the first channel steel is fixedly connected with the upper column pier 14 through a bolt, the first channel steel is vertically arranged, a groove of the first channel steel faces to one side far away from the column pier, a plurality of upper column pier connecting holes 17 are formed in the first channel steel, the bolt penetrates through the upper column pier connecting holes 17 to be fixedly connected with the upper pier, the structure is simple, the groove of the channel steel is utilized as a chute, the relative displacement in the horizontal direction can be limited, the channel steel can move in the vertical direction, and channel steel materials are convenient to purchase.
In a preferred embodiment, the first slider 2 includes a second channel steel 6 and a third channel steel 7, the second channel steel 6 is fixedly connected with the third channel steel 7 vertically, the groove of the second channel steel 6 is downward, the second channel steel 6 is fixedly connected with the bridge 13 through a bolt, the third channel steel 7 is connected with the concave groove of the first channel steel in a jogged manner and can slide in the vertical direction in the concave groove of the first channel steel, a plurality of bridge connecting holes 16 are formed in the second channel steel 6, and the bolt runs through the bridge connecting holes 16 and is fixedly connected with the bridge 13, so that the structure is simple and the manufacturing is convenient.
In a preferred embodiment, the limiting device for the bridge body and the upper pier during bridge jacking further comprises a first ribbed plate 8, two ends of the first ribbed plate 8 are fixedly connected with the second channel steel 6 and the third channel steel 7, and the limiting device is simple in structure and further enhances the structural performance of the first sliding piece 2.
In a preferred embodiment, the second limiting part 3 is a fourth channel steel, the fourth channel steel is fixedly connected with the upper column pier 14 through a bolt, the fourth channel steel is vertically arranged, a groove of the fourth channel steel faces to one side far away from the column pier, a plurality of upper column pier connecting holes 17 are formed in the fourth channel steel, the bolt penetrates through the upper column pier connecting holes 17 and is fixedly connected with the upper pier, the structure is simple, the groove of the channel steel is used as a chute, the relative displacement in the horizontal direction can be limited, the channel steel can move in the vertical direction, and channel steel materials are convenient to purchase.
In a preferred embodiment, the second sliding member 4 includes a fifth channel steel and a sixth channel steel, the fifth channel steel is fixedly connected with the sixth channel steel vertically, the groove of the fifth channel steel is downward, the fifth channel steel is fixedly connected with the bridge 13 through a bolt, and the sixth channel steel is connected with the concave groove of the fourth channel steel in a jogged manner and can slide in the vertical direction in the concave groove of the fourth channel steel, so that the structure is simple and the manufacturing is convenient.
In a preferred embodiment, the limiting device for the bridge body and the upper pier during bridge lifting further comprises a second ribbed plate 12, two ends of the second ribbed plate 12 are fixedly connected with the fifth channel steel and the sixth channel steel, and the limiting device is simple in structure and further enhances the structural performance of the second sliding piece 4.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (7)
1. A stop device that is used for bridge body and upper portion pier when bridge jacking, its characterized in that: comprising the following steps:
the first limiting piece is used for being detachably and fixedly connected with the side wall of the upper column pier;
the top of the first sliding piece is fixedly connected with the bridge body, and the first sliding piece is connected with the first limiting piece in a jogged manner and can slide relatively in the vertical direction;
the second limiting piece is used for being fixedly connected with the upper column pier, the second limiting piece is arranged on one side, far away from the first limiting piece, of the upper column pier, and the second limiting piece and the first limiting piece are symmetrically arranged on the section of a fixing shaft of the upper column pier; and
the top of the second sliding piece is used for being fixedly connected with the bridge body, and the second sliding piece is connected with the second limiting piece in a jogged mode and can slide relatively in the vertical direction.
2. The limiting device for a bridge body and an upper pier during bridge jacking according to claim 1, wherein: the first locating part is first channel-section steel, first channel-section steel pass through the bolt with upper portion pier fixed connection just first channel-section steel is vertical to be set up, the recess orientation of first channel-section steel is kept away from one side of pier.
3. The limiting device for the bridge body and the upper pier during bridge jacking according to claim 2, wherein: the first slider includes second channel-section steel and third channel-section steel, the second channel-section steel with the perpendicular fixed connection of third channel-section steel, the recess of second channel-section steel sets up down, the second channel-section steel pass through the bolt with the bridge body fixed connection, the third channel-section steel with the indent gomphosis of first channel-section steel is connected and can be in the indent inslot of first channel-section steel slides in the vertical direction.
4. The limiting device for the bridge body and the upper pier during bridge jacking according to claim 3, wherein: the steel plate structure further comprises a first ribbed plate, and two ends of the first ribbed plate are fixedly connected with the second channel steel and the third channel steel respectively.
5. The limiting device for a bridge body and an upper pier during bridge jacking according to claim 1, wherein: the second limiting part is a fourth channel steel, the fourth channel steel is fixedly connected with the upper column pier through bolts and is vertically arranged, and the groove of the fourth channel steel faces away from one side of the column pier.
6. The limiting device for the bridge body and the upper pier during bridge jacking according to claim 5, wherein: the second slider includes fifth channel-section steel and sixth channel-section steel, the fifth channel-section steel with the perpendicular fixed connection of sixth channel-section steel, the recess of fifth channel-section steel sets up down, the fifth channel-section steel pass through the bolt with the bridge body fixed connection, the sixth channel-section steel with the indent gomphosis of fourth channel-section steel is connected and can be in the indent inslot of fourth channel-section steel slides in the vertical direction.
7. The limiting device for the bridge body and the upper pier during bridge jacking according to claim 6, wherein: the steel plate structure further comprises a second ribbed plate, and two ends of the second ribbed plate are fixedly connected with the fifth channel steel and the sixth channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320301981.8U CN219490723U (en) | 2023-02-23 | 2023-02-23 | Limiting device for bridge body and upper column pier during bridge jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320301981.8U CN219490723U (en) | 2023-02-23 | 2023-02-23 | Limiting device for bridge body and upper column pier during bridge jacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219490723U true CN219490723U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320301981.8U Active CN219490723U (en) | 2023-02-23 | 2023-02-23 | Limiting device for bridge body and upper column pier during bridge jacking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219490723U (en) |
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2023
- 2023-02-23 CN CN202320301981.8U patent/CN219490723U/en active Active
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