CN211596427U - Pier top assembly type triangular bracket - Google Patents
Pier top assembly type triangular bracket Download PDFInfo
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- CN211596427U CN211596427U CN201922244076.XU CN201922244076U CN211596427U CN 211596427 U CN211596427 U CN 211596427U CN 201922244076 U CN201922244076 U CN 201922244076U CN 211596427 U CN211596427 U CN 211596427U
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- triangular bracket
- pull rod
- bridge
- rod
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Abstract
The utility model provides a mound top assembled triangular bracket, includes bridge pier stud, triangular bracket, pore-forming pipeline, goes up pull rod, lower pull rod, supports the bearing, pre-buried pore-forming pipeline and support the bearing before bridge pier stud concrete placement to connect horizontal pole, down tube, montant in advance and assemble formation triangular bracket. After concrete pouring and curing are completed, an upper pull rod and a lower pull rod penetrate into the pore-forming pipeline, the triangular bracket is hoisted to the upper part of the supporting bearing and is temporarily fixed, and the upper pull rod and the lower pull rod are tensioned to anchor the triangular bracket to the side wall of the bridge pier column, so that the pier top assembly type triangular bracket is formed. The symmetry and the stability of the triangular bracket stress of pier stud both sides can be ensured as the connecting piece through penetrating upper and lower pull rod in the bridge pier stud, and the support bearing of triangular bracket below can provide the vertical support of triangular bracket simultaneously, and both combine can effectively improve the bearing capacity and the stability of triangular bracket, and this structure is easy and simple to handle, and the member is recoverable recycles, and bearing capacity, stability are high, have wide application prospect.
Description
Technical Field
The utility model belongs to the civil engineering field relates to a bridge construction bracket, specifically is a mound top assembled triangular bracket.
Background
The bridge bracket is used for supporting the template when the bridge pours the 0# piece, bear the construction load, traditional bracket is pre-buried bold steel sheet in the pier, with the triangle bracket after the assembly welding is accomplished under the bridge monolithic hoist and mount take one's place with pre-buried steel sheet welding, but traditional bracket has high altitude vertical welding in the work progress, the welding seam quality is difficult to guarantee, there is the problem of potential safety hazard, and the welding seam is long, high altitude welding work load is big, the bracket installation cycle is long, consequently need study a safety and convenience, sustainable use and the bridge bracket that the installation effectiveness is high.
The existing bridge bracket is mainly connected with a pier through a connecting piece, for example, Chinese patent '201721822376.6' discloses a bridge bracket which comprises an installation steel sleeve provided with a clamping groove, a support plate, an insertion ring groove and a matching clamping ring, wherein the installation steel sleeve is fixed on two sides of the pier through the insertion ring groove and the matching clamping ring, the support plate is installed on the installation steel sleeve through the clamping groove, the installation process is simplified, the efficiency is improved, however, the symmetry of the bracket is difficult to ensure by respectively installing the two sides, and a raised ring part is required to be arranged at the pier and protrudes out of a pier body, so that the attractiveness is influenced; as the chinese patent '201822039683.8' discloses a bridge construction support bracket, which includes a first pull rod, a second pull rod, a third pull rod and two support units, the structure does not need to embed steel plates in the bridge pier, does not damage the quality of the bridge pier, has high bearing capacity, however, more components bring inconvenience to installation, and the support units arranged on the ground cannot be used under special conditions of muddy and water surface, and has limitation; and like chinese patent "201520263654.3" again, a bridge bracket structure is disclosed, including horizontal die-pin, diagonal draw bar, support sleeve, fixed orifices, this structure does not need the built-in fitting, only need tightly hoop the steel bushing on the pier in the upper end of pier, then weld the bracket on the support sleeve, has reduced bridge bracket's support intensity and load, however every pier need bore and establish a large amount of fixed orifices, and the high altitude construction is dangerous and the operation degree of difficulty is big, is difficult to promote on a large scale.
In summary, the existing bridge pier bracket structure has limited application scenes, or needs high-altitude operation, is dangerous and difficult, or wastes time and labor, so that a bridge bracket structure which is simple and convenient to install and operate, safe and efficient needs to be researched and developed.
Disclosure of Invention
The utility model aims at providing a pier top assembly type triangular bracket, which comprises a bridge pier stud, a triangular bracket, a pore-forming pipeline, an upper pull rod, a lower pull rod and a support bearing, wherein the pore-forming pipeline and the support bearing are pre-embedded before concrete pouring of the bridge pier stud, and a horizontal rod, an inclined rod and a vertical rod are connected and assembled in advance to form the triangular bracket; after concrete pouring and curing are completed, penetrating an upper pull rod and a lower pull rod into the pore-forming pipeline, hoisting the triangular bracket to the upper part of the supporting bearing and temporarily fixing the supporting bearing, and tensioning the upper pull rod and the lower pull rod to anchor the triangular bracket to the side wall of the bridge pier column to form a pier top assembly type triangular bracket; the symmetry and the stability of the triangular bracket stress of pier stud both sides can be ensured as the connecting piece through penetrating upper and lower pull rod in the bridge pier stud for the triangular bracket stress of both sides is balanced each other, and the support bearing of triangular bracket below can provide the vertical support of triangular bracket simultaneously, provides vertical shear force and supports, and both combinations can effectively improve the bearing capacity and the stability of triangular bracket, and this structure is easy and simple to handle, and the recoverable recycling of component, bearing capacity, stability are high, have wide application prospect.
The technical route of the utility model: before concrete of a bridge pier stud is poured, a pore-forming pipeline is horizontally and pre-buried along the bridge direction at corresponding positions of an upper pull rod and a lower pull rod which are horizontal along the bridge direction of the bridge pier stud, a plurality of pairs of supporting bearings are symmetrically pre-buried on two side walls of the bridge pier stud along the bridge direction, bridge pier stud concrete is poured and is cured to a specified strength according to specifications, a horizontal rod, an inclined rod and a vertical rod are respectively processed according to a preset size, the processed horizontal rod, inclined rod and vertical rod are assembled into a plurality of sets of triangular brackets in a factory or on site, the upper pull rod and the lower pull rod penetrate into the pore-forming pipeline of the bridge pier stud, the triangular brackets are hoisted to the upper parts of the supporting bearings, the lower parts of the vertical rods of the triangular brackets are supported on the upper parts of the supporting bearings, the vertical rods and the supporting bearings are connected and fixed through welding and anchor bolt connection, the upper pull rods are symmetrically stretched on two sides, the upper pull rods are connected, the lower pull rods are symmetrically stretched on two sides, the lower pull rods are connected with the triangular brackets on the two sides through anchor bolts after stretching is completed, and the triangular brackets on the two sides are symmetrically connected at the same time. And connecting and fixing a plurality of pairs of triangular brackets on the side wall of the bridge pier column according to the steps to form the pier top assembly type triangular bracket.
A pier top assembly type triangular bracket comprises bridge pier columns, triangular brackets, pore-forming pipelines, an upper pull rod, a lower pull rod and supporting bearings, wherein each set of triangular bracket is assembled into a right-angled triangular framework by a horizontal rod, an inclined rod and a vertical rod in a factory or on site, a plurality of pairs of supporting bearings are symmetrically pre-embedded on two side walls of each bridge pier column along the bridge direction, the bottom ends of the vertical rods of the integrally assembled triangular brackets are fixedly supported on the supporting bearings, the pore-forming pipelines are horizontally arranged in the bridge pier columns to form a plurality of horizontal pore channels, the axis of each pore-forming pipeline is along the bridge direction, the upper pull rod and the lower pull rod respectively penetrate through the horizontal pore channels in the pore-forming pipelines in the bridge pier columns and are symmetrically anchored on the middle upper parts and the middle lower parts of the vertical rods of the triangular brackets on two sides of each bridge pier column along the bridge direction, a certain pretension force is applied to rod pieces of the, the triangular bracket is connected and fixed with the upper pull rod, the lower pull rod and the supporting bearing to form the pier top assembly type triangular bracket.
The upper pull rod and the lower pull rod are made of one of steel bars, steel strands and FRP bars, the upper pull rod is located in the range of 1/3 on the upper portion of the vertical rod of the triangular bracket, the lower pull rod is located in the range of 1/3 on the lower portion of the vertical rod of the triangular bracket, and a plurality of middle pull rods are arranged between the upper pull rod and the lower pull rod.
The pore-forming pipeline is one of a steel pipe, a cast iron pipe, an FRP pipe, a plastic pipe and a PVC pipe, and the diameter of the pore-forming pipeline is at least 2mm larger than the diameter of the upper pull rod and the lower pull rod.
The support is made of a profile steel structure, a steel pipe filled concrete structure or a steel concrete laminated structure, the exposed length is not less than 50mm, and the embedded depth is not less than 100 mm.
The triangular brackets are transversely arranged at intervals along the bridge direction side wall of the bridge pier stud, the number of the triangular brackets is more than two pairs, transverse connecting pieces can be arranged between the adjacent triangular brackets, and a plurality of pairs of triangular brackets mutually form support together.
The triangular bracket is characterized in that the connecting modes of the horizontal rods, the inclined rods and the vertical rods in the triangular bracket are one or more of welding, riveting and bolt connection, and a plurality of web members are arranged among the horizontal rods, the inclined rods and the vertical rods and play a role in reinforcing the triangular bracket.
The triangular bracket is connected with the supporting support in an anchor bolt connection or welding connection mode.
Compared with other triangular brackets, the utility model discloses there is following advantage:
1) the triangular brackets are symmetrically arranged on two sides of the pier stud, the stress is symmetrical, the self balance of a two-side system can be realized, the stress is reasonable, the possibility of overturning is low, and the bearing capacity is higher.
2) The horizontal rods, the vertical rods and the inclined rods can be assembled in advance and transported to the site, construction efficiency is high, construction period is saved, and assembly degree is high.
3) The triangular bracket only needs to be connected with the pull rod and the supporting bearing, so that the high-altitude operation is relatively less, and the safety is higher.
4) The utility model provides a structure is cantilever structure, only relates to pier upper portion space, and ground supporting member such as no stand need not to consider pier stud lower part space and environmental condition, and application scope is wider.
5) After the triangular bracket is used, the triangular bracket can be detached only by releasing the connection between the triangular bracket and the bridge pier stud, the operation is convenient and fast, the detached triangular bracket can be used repeatedly, and the economy is good.
Drawings
FIG. 1: a pier top assembly type triangular bracket is shown in a schematic structural front view;
FIG. 2: a pier top assembly type triangular bracket is in a schematic structural side view;
FIG. 3: a pier top assembly type triangular bracket is characterized in that a structural front view is formed when web members are arranged among horizontal rods, vertical rods and inclined rods;
FIG. 4: a pier top assembly type triangular bracket is characterized in that a structural front view is formed when a plurality of middle pull rods are arranged between an upper pull rod and a lower pull rod;
FIG. 5: a pier top assembly type triangular bracket is characterized in that a structural front view schematic diagram is shown when a transverse connecting piece is arranged between adjacent triangular brackets;
FIG. 6: a pier top assembly type triangular bracket is characterized in that a side view schematic diagram of a structure is shown when a transverse connecting piece is arranged between adjacent triangular brackets;
in all the drawings, 1 is a bridge pier stud; 2 is a triangular bracket; 21 is a horizontal rod; 22 is a diagonal rod; 23 is a vertical rod; 24 is a transverse connecting piece; 25 is a web member; 3 is a pore-forming pipeline; 41 is an upper pull rod; 42 is a lower pull rod; 43 is a middle pull rod; and 5, a supporting support.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, detailed descriptions of specific embodiments of the present invention will be given with reference to the accompanying drawings.
Example 1
As shown in figures 1-2, a pier top assembly type triangular bracket comprises a bridge pier stud 1, a triangular bracket 2, pore-forming pipelines 3, an upper pull rod 41, a lower pull rod 42 and supporting bearings 5, wherein each set of triangular bracket 2 is assembled into a right-angled triangular framework in a factory or on site by a horizontal rod 21, an inclined rod 22 and a vertical rod 23, three pairs of supporting bearings 5 are symmetrically embedded in two side walls of the bridge pier stud 1 along the bridge direction, the bottom end of the vertical rod 23 of the integrally assembled triangular bracket 2 is fixedly supported on the supporting bearings 5, the upper pore-forming pipeline 3 and the lower pore-forming pipeline 3 are horizontally arranged in the bridge pier stud 1 to form an upper horizontal pore channel and a lower horizontal pore channel, the axis of the pore-forming pipeline 3 is along the bridge direction, the upper pull rod 41 and the lower pull rod 42 respectively penetrate through the horizontal pore channels in the pore-forming pipeline 3 in the bridge pier stud 1 and are respectively and symmetrically anchored on the middle upper portion and the middle lower portion of the vertical rod 23 of, a certain pretension is applied in the rod members of the upper pull rod 41 and the lower pull rod 42, the triangular bracket 2, the upper pull rod 41, the lower pull rod 42 and the supporting bearing 5 are fixedly connected to form a pair of pier top assembly type triangular brackets, and three pairs of pier top assembly type triangular brackets are equidistantly arranged along the bridge direction of each bridge pier 1.
Example 2
As shown in figure 3, a pier top assembly type triangular bracket comprises a bridge pier stud 1, a triangular bracket 2, pore-forming pipelines 3, an upper pull rod 41, a lower pull rod 42 and supporting bearings 5, wherein each set of triangular bracket 2 is assembled and assembled into a right-angled triangular framework in a factory or on site by a horizontal rod 21, an inclined rod 22, a vertical rod 23 and a web member 25, three pairs of supporting bearings 5 are symmetrically pre-embedded on two side walls of the bridge pier stud 1 along the bridge direction, the bottom end of the vertical rod 23 of the integrally assembled triangular bracket 2 is fixedly supported on the supporting bearings 5, the upper pore-forming pipeline 3 and the lower pore-forming pipeline 3 are horizontally arranged in the bridge pier stud 1 to form an upper horizontal pore channel and a lower horizontal pore channel, the axis of the pore-forming pipeline 3 is along the bridge direction, the upper pull rod 41 and the lower pull rod 42 respectively penetrate through the horizontal pore channels in the pore-forming pipeline 3 in the bridge pier stud 1 and are respectively and symmetrically anchored at the middle upper part and the middle lower part, a certain pretension is applied in the rod members of the upper pull rod 41 and the lower pull rod 42, the triangular bracket 2, the upper pull rod 41, the lower pull rod 42 and the supporting bearing 5 are fixedly connected to form a pair of pier top assembly type triangular brackets, and three pairs of pier top assembly type triangular brackets are equidistantly arranged along the bridge direction of each bridge pier 1.
Example 3
As shown in figure 4, a pier top assembly type triangular bracket comprises a bridge pier stud 1, triangular brackets 2, pore-forming pipelines 3, an upper pull rod 41, a lower pull rod 42 and support bearings 5, wherein each set of triangular brackets 2 is assembled into a right-angled triangular framework in a factory or on site by a horizontal rod 21, an inclined rod 22 and a vertical rod 23, three pairs of support bearings 5 are symmetrically embedded in two side walls of the bridge pier stud 1 along the bridge direction, the bottom end of the vertical rod 23 of the integrally assembled triangular bracket 2 is fixedly supported on the support bearings 5, the upper, middle and lower three pore-forming pipelines 3 are horizontally arranged in the bridge pier stud 1 to form an upper horizontal pore channel, a middle horizontal pore channel and a lower horizontal pore channel, the axis of each pore-forming pipeline 3 is along the bridge direction, the upper pull rod 41, the middle pull rod 43 and the lower pull rod 42 respectively penetrate through the horizontal pore channels in the pore-forming pipelines 3 in the bridge pier stud 1 and are respectively and symmetrically anchored along the horizontal pore channels of the vertical rod 23 of the bridge pier stud 2 on, In the middle and lower parts, a certain pretension force is applied in the rod pieces of the upper pull rod 41 and the lower pull rod 42, the triangular bracket 2, the upper pull rod 41, the lower pull rod 42 and the supporting bearing 5 are connected and fixed to form a pair of pier top assembly type triangular brackets, and three pairs of pier top assembly type triangular brackets are arranged in each bridge pier column 1 along the bridge direction at equal intervals.
Example 4
As shown in figures 5-6, a pier top assembly type triangular bracket comprises a bridge pier stud 1, a triangular bracket 2, pore-forming pipelines 3, an upper pull rod 41, a lower pull rod 42 and supporting bearings 5, wherein each set of triangular bracket 2 is assembled into a right-angled triangular framework in a factory or on site by a horizontal rod 21, an inclined rod 22 and a vertical rod 23, three pairs of supporting bearings 5 are symmetrically embedded in two side walls of the bridge pier stud 1 along the bridge direction, the bottom end of the vertical rod 23 of the integrally assembled triangular bracket 2 is fixedly supported on the supporting bearings 5, the upper pore-forming pipeline 3 and the lower pore-forming pipeline 3 are horizontally arranged in the bridge pier stud 1 to form an upper horizontal pore channel and a lower horizontal pore channel, the axis of the pore-forming pipeline 3 is along the bridge direction, the upper pull rod 41 and the lower pull rod 42 respectively penetrate through the horizontal pore channels in the pore-forming pipeline 3 in the bridge pier stud 1 and are respectively and symmetrically anchored on the middle upper portion and the middle lower portion of the vertical rod 23 of, a certain pretension is applied in the rod members of the upper pull rod 41 and the lower pull rod 42, the triangular bracket 2, the upper pull rod 41, the lower pull rod 42 and the supporting bearing 5 are fixedly connected to form a pair of pier top assembly type triangular brackets, three pairs of pier top assembly type triangular brackets are arranged on each bridge pier 1 along the bridge direction at equal intervals, and the transverse connecting members 24 are arranged between the three pairs of pier top assembly type triangular brackets on each side.
In the above embodiment:
the upper pull rod 41 and the lower pull rod 42 are made of one of steel bars, steel strands and FRP bars, the upper pull rod 41 is located in the range of 1/3 on the upper portion of the vertical rod 23 of the triangular bracket 2, the lower pull rod 42 is located in the range of 1/3 on the lower portion of the vertical rod 23 of the triangular bracket 2, and a plurality of middle pull rods 43 are arranged between the upper pull rod 41 and the lower pull rod 42.
The pore-forming pipeline 3 is one of a steel pipe, a cast iron pipe, an FRP pipe, a plastic pipe and a PVC pipe, and the diameter of the pore-forming pipeline is at least 2mm larger than the diameters of the upper pull rod 41 and the lower pull rod 42.
The supporting and bearing 5 is made of a section steel structure, a steel pipe filled concrete structure or a steel concrete laminated structure, the exposed length is not less than 50mm, and the embedded depth is not less than 100 mm.
The triangular brackets 2 are transversely arranged at intervals on the side wall of the bridge pier stud 1 along the bridge direction, the number of the triangular brackets is more than two pairs, and transverse connecting pieces 24 can be arranged between the adjacent triangular brackets 2.
The connecting mode of the horizontal rods 21, the inclined rods 22 and the vertical rods 23 in the triangular bracket 2 is one or more of welding, riveting and bolt connection, and a plurality of web members 25 are arranged among the horizontal rods 21, the inclined rods 22 and the vertical rods 23.
The triangular bracket 2 and the supporting support 5 are connected in an anchor bolt connection or welding connection mode.
Claims (7)
1. The utility model provides a mound top assembled triangular bracket, including bridge pier stud (1), triangular bracket (2), pore-forming pipeline (3), go up pull rod (41), lower link (42), support bearing (5), a serial communication port, each set of triangular bracket (2) is by horizontal rod (21), down tube (22), montant (23) are assembled at mill or scene and are become a right angled triangle framework, symmetry pre-buried many pairs of support bearing (5) on two lateral walls of bridge pier stud (1) in the same direction as the bridge, the bottom fixed stay in support bearing (5) of montant (23) of triangular bracket (2) after whole assembly, a plurality of pore-forming pipeline (3) horizontal arrangement form a plurality of horizontal pore canals in bridge pier stud (1), and the axis of pore-forming pipeline (3) is along the bridge in the same direction as the bridge, go up pull rod (41) and lower link (42) and pass the horizontal pore canals in pore-forming pipeline (3) in bridge pier stud (1) respectively and the symmetry anchor bridge in the same direction as the bridge respectively The middle upper part and the middle lower part of a vertical rod (23) of a triangular bracket (2) on two sides of a beam pier column (1) apply certain pretension in rod pieces of an upper pull rod (41) and a lower pull rod (42), and the triangular bracket (2), the upper pull rod (41), the lower pull rod (42) and a supporting bearing (5) are connected and fixed to form the pier top assembly type triangular bracket.
2. The pier-top assembled triangular bracket according to claim 1, characterized in that the upper tie rod (41) and the lower tie rod (42) are one of steel bars, steel strands and FRP bars, the upper tie rod (41) is located within the range of 1/3 on the upper part of the vertical rod (23) of the triangular bracket (2), the lower tie rod (42) is located within the range of 1/3 on the lower part of the vertical rod (23) of the triangular bracket (2), and a plurality of middle tie rods (43) are arranged between the upper tie rod (41) and the lower tie rod (42).
3. The pier-top assembled triangular bracket according to claim 1, wherein the hole-forming pipe (3) is one of a steel pipe, a cast iron pipe, an FRP pipe, a plastic pipe, and a PVC pipe, and has a diameter at least 2mm larger than the diameters of the upper and lower tie rods (41, 42).
4. The pier top assembly type triangular bracket as claimed in claim 1, wherein the supporting and supporting device (5) is made of a steel section structure, a steel tube filled concrete structure or a steel concrete laminated structure, the exposed length is not less than 50mm, and the embedded depth is not less than 100 mm.
5. A pier-top assembled triangular bracket according to claim 1, characterized in that the triangular brackets (2) are arranged at intervals transversely on the side wall of the bridge pier (1) along the bridge direction, the number of the brackets is more than two pairs, and transverse connecting pieces (24) can be arranged between the adjacent triangular brackets (2).
6. A pier-top assembled triangular bracket according to claim 1, characterized in that the horizontal rods (21), the diagonal rods (22) and the vertical rods (23) in the triangular bracket (2) are connected by one or more of welding, riveting and bolting, and a plurality of web members (25) are arranged among the horizontal rods (21), the diagonal rods (22) and the vertical rods (23).
7. A pier-mounted tripod according to claim 1 in which the connection between the tripod (2) and the supporting and supporting elements (5) is by anchor or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244076.XU CN211596427U (en) | 2019-12-13 | 2019-12-13 | Pier top assembly type triangular bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244076.XU CN211596427U (en) | 2019-12-13 | 2019-12-13 | Pier top assembly type triangular bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596427U true CN211596427U (en) | 2020-09-29 |
Family
ID=72592476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922244076.XU Expired - Fee Related CN211596427U (en) | 2019-12-13 | 2019-12-13 | Pier top assembly type triangular bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211596427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043693A (en) * | 2022-12-15 | 2023-05-02 | 保利长大工程有限公司 | Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket |
-
2019
- 2019-12-13 CN CN201922244076.XU patent/CN211596427U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043693A (en) * | 2022-12-15 | 2023-05-02 | 保利长大工程有限公司 | Construction bracket suitable for large cantilever bent cap of high pier column in water and mounting method of construction bracket |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |