CN214423191U - Fish belly formula suspension cable sectional shelf-unit - Google Patents
Fish belly formula suspension cable sectional shelf-unit Download PDFInfo
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- CN214423191U CN214423191U CN202120162411.6U CN202120162411U CN214423191U CN 214423191 U CN214423191 U CN 214423191U CN 202120162411 U CN202120162411 U CN 202120162411U CN 214423191 U CN214423191 U CN 214423191U
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- connecting rod
- flat connecting
- fish belly
- cable
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Abstract
The utility model discloses a fish belly formula suspension cable sectional shelf-unit, fish belly formula suspension cable sectional shelf-unit set up in steel girder bottom, aim solid piece and cable including flat connecting rod, last stand, tip, flat connecting rod bottom is connected with a plurality of rows and sets up side by side go up the stand, the left and right sides of flat connecting rod all is equipped with the solid piece is aimed to the tip, the tip is aimed solid piece together the steel girder is connected, go up to pass through on the horizontal direction between the stand the cable is connected and the cable both ends respectively with the side is connected about the flat connecting rod, the last stand upper end is equipped with the jack. The utility model has the advantages that: the settlement problem of the support can be effectively solved, and for the long-span composite beam structure, the structure load can be borne after the complete combination of the structure load can be efficiently achieved, and the economical efficiency of the bridge structure is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge beam supports and specifically relates to a fish belly formula suspension cable sectional shelf-unit.
Background
At present, the known support system for bridge construction has various forms such as a Bailey piece support, a bowl buckle type support, a door type support and the like, the traditional support system has the problems of settlement deformation and the like, the traditional support system cannot be adopted when the structural span is large or the terrain and the structure are complex, and complicated and expensive construction measures such as foundation treatment, prepressing and the like are often adopted; when the structure height is very high or special terrains such as a protected area and a river canyon are spanned and a traditional support cannot be adopted or is very uneconomical, the bridge construction must adopt expensive large equipment such as a bridge girder erection machine, and when the structure span is large, the construction equipment cost for transporting and erecting the large bridge is very high.
Disclosure of Invention
The utility model aims at providing a fish belly formula suspension cable sectional shelf-unit according to above-mentioned prior art not enough, this support is aimed solid piece through the tip and is installed in steel girder bottom to through stretch-draw cable, form self-supporting structure, solved and subsided the problem of deformation.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a fish belly formula suspension cable sectional shelf-unit, sets up in steel girder bottom, its characterized in that: the steel main beam connecting device is characterized by comprising a flat connecting rod, an upper stand column, a tip aiming fixing block and a stay cable, wherein a plurality of rows of the upper stand columns are arranged side by side at the bottom of the flat connecting rod, the tip aiming fixing block is arranged on the left side and the right side of the flat connecting rod, the tip aiming fixing block is connected with a steel main beam, the upper stand column is connected with the stay cable in the transverse direction, the two ends of the stay cable are respectively connected with the left side and the right side of the flat connecting rod, and an upper jack is arranged at the upper end of the upper stand column.
The flat connecting rod comprises a cross rod and a longitudinal rod, the upper upright column is arranged along the length direction of the cross rod, and the length of the upper upright column is increased from the left side of the cross rod to the middle part of the cross rod in sequence, and is decreased from the middle part of the cross rod to the right side of the cross rod in sequence.
The upper upright posts are connected in the longitudinal direction through connecting rods, and the side parts of the upper upright posts are connected with the flat connecting rods through side rods.
The lower ends of the upper upright post and the end aiming block are both provided with lower upright posts, and lower jacks are arranged between the upper upright post and the lower upright post and between the end aiming block and the lower upright post.
The utility model has the advantages that: the settlement problem of the support can be effectively solved, and for the long-span composite beam structure, the structure load can be borne after the complete combination of the structure load can be efficiently achieved, and the economical efficiency of the bridge structure is greatly improved.
Drawings
Fig. 1 is an elevation view of a middle suspension type self-supporting fish belly suspension cable support of the present invention;
FIG. 2 is a cross-sectional view of the middle suspension type self-supporting fish belly suspension cable support of the present invention;
fig. 3 is an elevation view of the middle support type fish belly suspension cable support of the present invention;
fig. 4 is a cross-sectional view of the middle support type fish belly suspension cable support of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in figures 1-4, the marks 1-14 in the figures are respectively represented as a guy cable 1, an upper upright post 2, a flat connecting rod 3, an end anchoring block 4, an upper jack 5, a steel girder 6, a lower upright post 7, a lower jack 8, a pier 9, a support 10, a prefabricated bridge deck 11, a connecting rod 12, a side rod 13 and a bearing platform 14.
Example 1: as shown in fig. 1 and 2, the present embodiment relates to a fish belly type suspension cable combination support, in the present embodiment, the support is a hanging self-supporting fish belly type suspension cable support, the support is disposed at the bottom of a steel main beam 6, and mainly includes a flat connecting rod 3, an upper column 2, an end aiming block 4 and a guy cable 1, the bottom of the flat connecting rod 3 is connected with two rows of upper columns 2 disposed side by side, the left and right sides of the flat connecting rod 3 are respectively provided with 2 end aiming blocks 4, and the end aiming blocks 4 are connected with the steel main beam 6. The flat connecting rod 3 includes horizontal pole and vertical pole, goes up 2 length directions settings along the horizontal pole to the length of going up 2 stands increases in proper order from horizontal pole left side to horizontal pole middle part, reduces in proper order from horizontal pole middle part to horizontal pole right side, so that 2 counter-forces of every stand on the post of 1 stretch-draw of cable are more even, and the vertical axial force of stand 2 is adjusted to 2 length on the accessible adjustment during implementation. An upper jack 5 is arranged at the upper end of the upper upright post 2, and the upper jack 5 provides a certain jacking force for the steel main beam 6. In the construction of the steel-concrete composite beam, the internal force condition between the steel beam and the concrete bridge deck can be flexibly adjusted through the change of the length of the upper upright post 2 and the jacking force of the upper jack 5, so as to achieve the optimal state of structural stress.
As shown in fig. 1 and 2, in the transverse direction, the bottom ends of the upper upright posts 2 are connected through the guy cable 1, and two ends of the guy cable 1 are respectively connected with the left side and the right side of the flat connecting rod 3, and a self-supporting structure can be formed by stretching the guy cable 1; in the longitudinal direction, the bottom ends of the upper upright posts 2 are connected through the connecting rods 12, so that the stability of the hanging type self-supporting fish belly type suspension cable support is improved. In addition, the side of the upper column 2 is connected with the flat connecting rod 3 through a plurality of side rods 13 to form a triangular structure for reinforcing the connection between the upper column 2 and the flat connecting rod 3.
As shown in fig. 1 and 2, the present embodiment has the following construction method:
a. erecting the steel girder 6 on a pier 9, and arranging a support 10 between the top of the pier 9 and the end part of the steel girder 6;
b. manufacturing a proper hanging type self-supporting fish belly type suspension cable support according to actual conditions, anchoring the hanging type self-supporting fish belly type suspension cable support at the bottom of a steel main beam 6 through an end aiming block 4, and tensioning a stay cable 1 to form a self-supporting structure;
c. erecting a prefabricated bridge deck 11, adjusting the jacking force of an upper jack 5 at the upper end of an upper upright post 2 to a reasonable value, and then combining and pouring a steel main beam 6 and the prefabricated bridge deck 11;
d. and after the strength of the joint surface reaches the design requirement, releasing the jacking force of the upper jack 5, finally separating the end aiming block 4 from the steel main beam 6, and dismantling the hanging type self-supporting fish belly type suspension cable bracket to complete construction.
Example 2: as shown in fig. 3 and 4, in the present embodiment, the support is a supporting fish belly suspension cable support, and the support is disposed at the bottom of a steel main beam 6 and mainly includes a flat connecting rod 3, an upper column 2, an end aiming block 4, a guy cable 1 and a lower column 7, the bottom of the flat connecting rod 3 is connected with two rows of upper columns 2 disposed side by side, the left and right sides of the flat connecting rod 3 are respectively provided with 2 end aiming blocks 4, and the end aiming blocks 4 are connected with the steel main beam 6. The flat connecting rod 3 comprises a cross rod and a longitudinal rod, the upper upright post 2 is arranged along the length direction of the cross rod, and the length of the upper upright post 2 is sequentially increased from the left side of the cross rod to the middle part of the cross rod and is sequentially decreased from the middle part of the cross rod to the right side of the cross rod. An upper jack 5 is arranged at the upper end of the upper upright post 2, and the upper jack 5 provides a certain jacking force for the steel main beam 6. The lower ends of the upper upright post 2 and the end aiming fixing block 4 are respectively provided with a lower upright post 7, lower jacks 8 are respectively arranged between the upper upright post 2, the lower upright post 7 and the end aiming fixing block 4 and the lower upright post 7, the lower jacks 8 are used for jacking the upper upright post 2 and the end aiming fixing block 4, and then the position of the sectional steel main beam 6 is adjusted, so that the sectional steel main beam 6 is connected into a whole. Specifically, the lower upright 7 at the lower end of the end aiming block 4 can be arranged on the bearing platform 14, and the lower upright 7 at the lower end of the upper upright 2 can be arranged on the ground or other supporting structures. In addition, the lower upright posts 7 can be connected and reinforced in the longitudinal direction through connecting pieces.
As shown in fig. 3 and 4, in the transverse direction, the bottom ends of the upper upright posts 2 are connected through the guy cable 1, and the two ends of the guy cable 1 are respectively connected with the left side and the right side of the flat connecting rod 3, and a self-supporting structure can be formed by stretching the guy cable 1; in the longitudinal direction, the bottom ends of the upper upright posts 2 are connected through the connecting rods 12, so that the stability of the hanging type self-supporting fish belly type suspension cable support is improved. In addition, the side of the upper column 2 is connected with the flat connecting rod 3 through a plurality of side rods 13 to form a triangular structure for reinforcing the connection between the upper column 2 and the flat connecting rod 3.
As shown in fig. 3 and 4, the present embodiment has the following construction method:
a. manufacturing a proper support type fish belly type suspension cable support according to actual conditions, then installing a lower upright post 7, installing the support type fish belly type suspension cable support at the top end of the lower upright post 7, and installing a lower jack between the lower upright post 7 and the upper upright post 2, and between the lower upright post 7 and the end part anchoring block 4;
b. the steel girder 6 is hoisted and erected on the support type fish belly type suspension cable support in sections, two end parts of the steel girder 6 are arranged on the bridge pier 9, a support 10 is arranged between the top of the bridge pier 9 and the end part of the steel girder 6, and the support type fish belly type suspension cable support is anchored with the two end parts of the steel girder 6 through the end part aiming block 4;
c. adjusting the telescopic length of the lower jack 8 to connect the steel main beams 6 into a whole, tensioning the stay cable 1 to form a self-supporting structure, and then dismantling the lower upright post 7 and the lower jack 8 thereon;
d. erecting a concrete bridge deck 11, adjusting the jacking force of an upper jack 5 at the upper end of an upper upright post 2 to a reasonable value, and then combining and pouring a steel main beam 6 and the concrete bridge deck 11;
e. and after the strength of the joint surface reaches the design requirement, releasing the jacking force of the upper jack 5, finally separating the end aiming block 4 from the steel girder 6, and dismantling the support type fish belly suspension cable support to complete construction.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (4)
1. The utility model provides a fish belly formula suspension cable sectional shelf-unit, sets up in steel girder bottom, its characterized in that: the steel main beam connecting device is characterized by comprising a flat connecting rod, an upper stand column, a tip aiming fixing block and a stay cable, wherein a plurality of rows of the upper stand columns are arranged side by side at the bottom of the flat connecting rod, the tip aiming fixing block is arranged on the left side and the right side of the flat connecting rod, the tip aiming fixing block is connected with a steel main beam, the upper stand column is connected with the stay cable in the transverse direction, the two ends of the stay cable are respectively connected with the left side and the right side of the flat connecting rod, and an upper jack is arranged at the upper end of the upper stand column.
2. A fish belly sling combination according to claim 1, wherein: the flat connecting rod comprises a cross rod and a longitudinal rod, the upper upright column is arranged along the length direction of the cross rod, and the length of the upper upright column is increased from the left side of the cross rod to the middle part of the cross rod in sequence, and is decreased from the middle part of the cross rod to the right side of the cross rod in sequence.
3. A fish belly sling combination according to claim 1 or 2, wherein: the upper upright posts are connected in the longitudinal direction through connecting rods, and the side parts of the upper upright posts are connected with the flat connecting rods through side rods.
4. A fish belly sling combination according to claim 1, wherein: the lower ends of the upper upright post and the end aiming block are both provided with lower upright posts, and lower jacks are arranged between the upper upright post and the lower upright post and between the end aiming block and the lower upright post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120162411.6U CN214423191U (en) | 2021-01-21 | 2021-01-21 | Fish belly formula suspension cable sectional shelf-unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120162411.6U CN214423191U (en) | 2021-01-21 | 2021-01-21 | Fish belly formula suspension cable sectional shelf-unit |
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| CN214423191U true CN214423191U (en) | 2021-10-19 |
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| CN202120162411.6U Active CN214423191U (en) | 2021-01-21 | 2021-01-21 | Fish belly formula suspension cable sectional shelf-unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709155A (en) * | 2021-01-21 | 2021-04-27 | 上海城建市政工程（集团）有限公司 | Fish belly type suspension cable combined support and construction method thereof |
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2021
- 2021-01-21 CN CN202120162411.6U patent/CN214423191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709155A (en) * | 2021-01-21 | 2021-04-27 | 上海城建市政工程（集团）有限公司 | Fish belly type suspension cable combined support and construction method thereof |
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