CN221320697U - Bridge construction attached type adjustable bracket - Google Patents
Bridge construction attached type adjustable bracket Download PDFInfo
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- CN221320697U CN221320697U CN202322570103.9U CN202322570103U CN221320697U CN 221320697 U CN221320697 U CN 221320697U CN 202322570103 U CN202322570103 U CN 202322570103U CN 221320697 U CN221320697 U CN 221320697U
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- embedded
- rod
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- connecting seat
- inclined rod
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000004080 punching Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses an attached adjustable bracket for bridge construction, which is arranged on a bridge pier column formed by step-by-step pouring and consists of an embedded device, a shear key device, a horizontal rod and a telescopic diagonal rod; four sets of pre-burying devices are horizontally arranged in each two sets to form a group, two sets are arranged up and down along the pier column, and each two sets are fixedly connected to two opposite sides of the pier column through pre-burying pouring; each set of embedded device comprises embedded bars, embedded boxes and embedded box connecting plates; the shear key device comprises a support box, a connecting seat and a connecting end; the horizontal rod is arranged at the outer side of the embedded device arranged at the upper position of the pier stud; the two sets of telescopic inclined rods are regulated to stretch by the oil cylinder regulating device. The bracket provided by the utility model has the advantages that the applicability is strong, the portable adjusting device is convenient to install and detach, the bracket is provided with the leveling inspection device, the safety life line device is arranged, the inclined rod is embedded and connected by using the pin shaft, the pin shaft storage groove is arranged at the pin shaft hole, the risk of striking an object caused by falling of the pin shaft is avoided, and the stability and the safety are improved.
Description
Technical Field
The utility model belongs to the technical field of bridge construction equipment design, in particular to a bracket design technology in bridge cantilever beam construction, and particularly relates to an attached adjustable bracket for bridge construction.
Background
In road construction, bridge duty ratio also becomes the rising trend, and the construction of large-span bridge generally adopts the construction of bracket 0# piece to add and hangs basket suspension casting section, the bracket is the main atress component that supports template and construction load when pouring 0# piece, adopts triangle-shaped structural system atress more stable and for the assembly type, and it is convenient to install and tear open, easily turnover use, adopts pre-buried box and to drawing finish rolling screw steel, makes the shear force key hug closely the column shaft, has improved the stability of bracket, utilizes the flexible bracket diagonal bar that drives of hydraulic jack flexible, reaches the horizontally effect of adjustment dead lever.
At present, most brackets are required to be customized to manufacturers, so that the construction of the variable-section high pier 0# block is influenced to a certain extent, meanwhile, the sizes of the brackets required by the group column construction are different to a certain extent, and the conventional brackets are difficult to realize large-area use; when the custom-made bracket is adopted, once the upper and lower positions of the embedded part are in error during construction, the follow-up construction is affected.
Disclosure of Invention
The utility model discloses an attached adjustable bracket for bridge construction according to the defects of the prior art. The utility model aims to provide an attached adjustable bracket which is simple to install, adjustable in inclined rod, reusable and high in applicability.
Bridge construction attached adjustable bracket, attached adjustable bracket set up in the bridge pier column that forms through pouring step by step, its characterized in that: the device consists of an embedded device, a shear key device, a horizontal rod and a telescopic inclined rod;
Four sets of pre-burying devices are horizontally arranged in each two sets to form a group, two sets are arranged up and down along the pier column, and each two sets are fixedly connected to two opposite sides of the pier column through pre-burying pouring; each set of embedded device comprises embedded bars, embedded boxes and embedded box connecting plates, wherein the embedded boxes are fixedly connected with each other in parallel through the embedded box connecting plates, and each embedded box is provided with a through hole which is parallel to each other and used for the fine rolling deformed steel bar to pass through, and the embedded bars are welded and fixed on the outer sides;
The outer end of each set of embedded device is provided with a shear key device, and each set of the embedded device and the pair of finish rolling deformed steel bars passing through the embedded devices are fixed on the wall side of the pier column through nuts; each set of shear key device comprises a supporting box, a connecting seat and a connecting end; the supporting box is a box-shaped body structure formed by welding steel plates; one side of the supporting box is provided with two connecting ends of tubular structures which are arranged in parallel and can be embedded into parallel through holes of the embedded box, and a middle hole of the connecting ends of the tubular structures and a through hole arranged on the supporting box are used for the fine rolling deformed steel bars to pass through and be fastened by nuts; the upper surface of the supporting box is welded and fixed with a connecting seat;
Two sets of horizontal rods are arranged outside the embedded device arranged at the upper position of the pier column, one end part of each set of horizontal rods is hinged and fixed with a connecting seat of the shear key device supporting box, and the lower surface of the other end of each set of horizontal rods is provided with a horizontal rod connecting seat and is hinged and fixed with a telescopic diagonal rod support;
The telescopic diagonal rods are two sets, each set of telescopic diagonal rod is adjusted and stretched by the oil cylinder adjusting device, the upper end of each set of telescopic diagonal rod is fixedly hinged to the support of the horizontal rod connecting seat, and the lower end of each set of telescopic diagonal rod is fixedly hinged to the connecting seat of the shear key device supporting box outside the embedded device arranged below the pier column.
The four sets of pre-buried devices are horizontally arranged in each two sets to form a group, and are horizontally arranged along the axis of the through hole of the pre-buried box, and the two groups arranged up and down along the pier column are positioned on the same vertical plane.
Further, each side of the embedded bars is provided with a plurality of embedded bars, and each embedded bar adopts a multi-bending structure.
Further, the finish rolling deformed steel bars at the outer end of each set of shear key device are anchored by double nuts after being oppositely pulled by hydraulic punching jacks.
Further, the shear key device connecting seat is a double-lug connecting seat which is welded and fixed perpendicular to the upper surface of the supporting box, and one end of the horizontal rod is hinged and fixed with the double-lug connecting seat through a pin shaft.
Further, a bubble leveling inspection device is arranged on the rod surface of the horizontal rod, and a leveling inspection device is arranged on the lower surface of the horizontal rod.
The telescopic inclined rod is of a sleeve rod structure, the lower inclined rod slides in the upper inclined rod in a telescopic manner, and the lower inclined rod is provided with equidistant through holes and can be limited and fixed with the fixed through holes arranged on the upper inclined rod through bolts; the upper end of the upper inclined rod is fixedly hinged with a horizontal rod connecting seat, and the lower end of the lower inclined rod is fixedly hinged with a connecting seat of a shear key device supporting box outside the embedded device arranged below the pier column.
The lifting jack is characterized in that a jack driving plate is arranged on the end wall of the lower inclined rod, a jack placing table is arranged on the upper inclined rod and the side rod wall, a hydraulic jack is fixed on the jack placing table, and the hydraulic jack is in driving connection with the lower inclined rod jack driving plate through an adjusting screw.
Compared with the prior art, the attached adjustable bracket of the utility model has the following advantages
1. The bracket has strong applicability, can be used for construction of the 0# block of the upper structure of the variable-section slope-collecting bridge pier, can also be used for construction of the 0# block of the upper structure of the slope-collecting-free bridge pier, and can be used in large area in construction of the 0# block of the upper structure of the group column;
2. The bracket of the utility model adopts a portable adjusting device, consists of refined thread steel, a nut, a backing plate and a 10t hydraulic jack, and is convenient to install and detach;
3. The bracket is provided with the leveling inspection device, and in the installation process, whether the horizontal rod is horizontal is judged by observing whether the bubble of the level ruler on the horizontal rod is centered or not;
4. The bottom of the horizontal rod of the bracket is provided with the safety life line device, so that the safety is greatly improved in the later parallel welding and dismantling process.
5. The bracket diagonal rod is embedded and connected by the pin shaft, so that the stability of the diagonal rod is greatly improved, the pin shaft storage groove is arranged at the pin shaft hole, the risk of striking an object caused by falling of the pin shaft is avoided, and the safety is improved.
Drawings
FIG. 1 is a front view of a bracket of the present utility model;
FIG. 2 is a side view of the bracket of the present utility model;
FIG. 3 is a top view of the bracket of the present utility model;
FIG. 4 is a schematic diagram showing the construction of a bracket embedding device according to the present utility model;
FIG. 5 is a schematic top view of a bracket pre-embedding apparatus of the present utility model;
FIG. 6 is a schematic side view of a bracket pre-embedding apparatus of the present utility model;
FIG. 7 is a schematic view of the bracket shear key assembly of the present utility model;
FIG. 8 is a schematic top view of a bracket shear key assembly of the present utility model;
FIG. 9 is a schematic side view of a bracket shear key assembly of the present utility model;
FIG. 10 is a view showing the composition of the horizontal bars of the bracket according to the present utility model;
FIG. 11 is a view showing the composition of the bracket diagonal of the present utility model;
fig. 12 is a view showing the constitution of the bracket adjusting device of the present utility model.
Wherein A is an embedded device, B is a shear key device, C is a horizontal rod, D is a telescopic inclined rod, E is an adjusting device, F is a pier stud, and G is finish-rolled deformed steel bar; a-1 is embedded steel bars, A-2 is an embedded box, A-3 is an embedded box connecting plate, B-1 is a connecting seat, B-2 is a supporting box, B-3 and B-4 are stiffening plates in the box, B-5 is a connecting end, C-1 is a main body rod, C-2 is a leveling inspection device, C-3 is a safety belt hanging bracket, C-4 is a horizontal rod connecting seat, D-1 is an upper inclined rod, D-2 is a pin shaft storage device, D-3 is a jack placing table, D-4 is a jack driving plate, D-5 is a pin shaft hole, D-6 is a lower inclined rod, E-1 is an adjusting screw, E-2 is a nut, E-3 is a supporting pad steel plate and E-4 is a hydraulic jack.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
In combination with the accompanying drawings.
As shown in the figure, the attached adjustable bracket for bridge construction is composed of an embedded device A, a shear key device B, a horizontal rod C and a telescopic inclined rod D; the bridge pier with different slope collecting slopes is adapted to the bridge piers with different slope collecting slopes through the length of the telescopic inclined rod D.
And when the pier column F is used for construction of the capping section, the pre-buried device A is fixed in concrete and firmly welded with a main rib, a gap is sealed, after the strength meets the requirement, finish rolling threaded steel G is penetrated, a shear key device B is installed, meanwhile, a jack is used for oppositely pulling the finish rolling threaded steel G, an adjusting device E is installed on a site to a horizontal rod C and a telescopic inclined rod D, the angle between the horizontal rod C and the telescopic inclined rod D is adjusted by using the hoist, the horizontal rod C is firstly installed to the upper shear key device B, the telescopic inclined rod D is installed to the lower shear key device B, then the length of the telescopic inclined rod D is adjusted by using the adjusting device E, and an upper inclined rod D-1 and a lower inclined rod D-6 pin shaft are inserted, so that bracket installation is completed.
The attached adjustable bracket adopts the embedded box A-2 to be welded with the main rib, and the shear key device B is connected with the embedded box A-2 more firmly by passing through the finish rolling screw steel G for opposite pulling.
The horizontal rod C is provided with the leveling checking device C-2, so that the leveling efficiency of the bracket is greatly improved.
The horizontal rod C is provided with the safety belt hanging bracket C-3 of the life line device, so that the safety of workers is ensured when the bracket is detached.
The telescopic inclined rod D is embedded, the lower inclined rod D-6 moves up and down on the upper inclined rod D-1, the purposes of extending and shortening the length of the telescopic inclined rod D are achieved, and the stability of the bracket is greatly improved by adopting pin shaft connection.
The telescopic inclined rod D is welded with the installation structure of the adjusting device E, the inclined rod D-6 is driven to stretch and retract through the hydraulic jack E-4, the length of the telescopic inclined rod D is adjusted, and the telescopic inclined rod D is convenient and reliable to operate and high in applicability.
The use of the attached adjustable bracket of the present utility model is described in detail below with reference to the accompanying drawings:
As shown in the figure, the embedded device A is embedded before concrete structure pouring is carried out, the embedded steel bars A-1 of the device are welded with the main steel bars of the pier column F, phi 40 steel pipes are welded at the rear end of the embedded device A, pipelines are provided for the rear surface to penetrate through finish rolling screw thread steel G, the pier column F can be attached to the side of a template, the opening of the embedded box A-2 can be sealed by adopting steel plates to prevent cement paste from entering the plugging pipeline to influence the rear surface to penetrate through finish rolling screw thread steel G, the position of the embedded box A-2 is accurate, the positions of the upper embedded box A-2 and the lower embedded box A-2 are vertical, and the deviation is in an error range.
After the concrete pouring of the capping section is completed, installing a bracket operating platform after the creeping formwork is dismantled and the concrete strength meets the design requirement, emptying sundries in the embedded box A-2, and installing a shear key device B for penetrating the finish rolling screw steel G; the connecting end B-5 penetrates into the finish rolling screw steel G and is inserted into the embedded box A-2, then the finish rolling screw steel G is oppositely pulled by 100KN through 60t hydraulic punching, and then a double screw cap is adopted for anchoring.
The horizontal bar C and the telescopic diagonal bar D are assembled in a factory, and the adjusting device E is installed in the field in order to prevent the horizontal bar C and the telescopic diagonal bar D from being damaged by extrusion during transportation. The horizontal rod C and the telescopic inclined rod D are connected through a pin shaft, an adjusting screw E-1 is inserted into an adjusting device E, a jack placing table D-3 and a jack driving plate D-4 placing slot hole on site, a supporting base plate E-3 and a nut E-2 are installed inside and outside the jack driving plate D-4 placing slot, a hydraulic jack E-4 is installed into the jack placing table D-3 placing slot, the base plate E-3 and the nut E-2 are installed, a bracket is hung to a position 50cm away from the ground by utilizing a tower crane, the angle of the bracket is adjusted by utilizing a chain block, the bracket is hung to a shear key device B by utilizing a chain block, the horizontal rod C is firstly connected with an upper shear key device B by utilizing the pin shaft, then the telescopic inclined rod D is inserted into a lower shear key B by utilizing the adjusting chain block, finally the length of the telescopic inclined rod D is adjusted by the hydraulic jack E-4 in the adjusting device E, the length of the telescopic inclined rod D is reached by sliding the lower inclined rod D-6 up and down in the upper inclined rod D-1, the leveling checking device C-2 is observed, when the air bubble is centered, the upper inclined rod D-1 and the lower inclined rod D-6 is hung on the pin shaft hole is coincident with the pin shaft hole at the position of the upper inclined rod D-6, the safety pin shaft is inserted in the position of the safety pin shaft hole, and the safety device C is inserted in the safety device is inserted in the position of the safety pin hole. The bracket is installed.
After the device is installed, checking whether cotter pins at the pin shafts are missing or not, unloading the adjusting device E, and after the checking is finished, carrying out a pre-pressing test to carry out the next construction.
Claims (8)
1. Bridge construction attached adjustable bracket, attached adjustable bracket set up in the bridge pier column that forms through pouring step by step, its characterized in that: the device consists of an embedded device, a shear key device, a horizontal rod and a telescopic inclined rod;
Four sets of pre-burying devices are horizontally arranged in each two sets to form a group, two sets are arranged up and down along the pier column, and each two sets are fixedly connected to two opposite sides of the pier column through pre-burying pouring; each set of embedded device comprises embedded bars, embedded boxes and embedded box connecting plates, wherein the embedded boxes are fixedly connected with each other in parallel through the embedded box connecting plates, and each embedded box is provided with a through hole which is parallel to each other and used for the fine rolling deformed steel bar to pass through, and the embedded bars are welded and fixed on the outer sides;
The outer end of each set of embedded device is provided with a shear key device, and each set of the embedded device and the pair of finish rolling deformed steel bars passing through the embedded devices are fixed on the wall side of the pier column through nuts; each set of shear key device comprises a supporting box, a connecting seat and a connecting end; the supporting box is a box-shaped body structure formed by welding steel plates; one side of the supporting box is provided with two connecting ends of tubular structures which are arranged in parallel and can be embedded into parallel through holes of the embedded box, and a middle hole of the connecting ends of the tubular structures and a through hole arranged on the supporting box are used for the fine rolling deformed steel bars to pass through and be fastened by nuts; the upper surface of the supporting box is welded and fixed with a connecting seat;
Two sets of horizontal rods are arranged outside the embedded device arranged at the upper position of the pier column, one end part of each set of horizontal rods is hinged and fixed with a connecting seat of the shear key device supporting box, and the lower surface of the other end of each set of horizontal rods is provided with a horizontal rod connecting seat and is hinged and fixed with a telescopic diagonal rod support;
The telescopic diagonal rods are two sets, each set of telescopic diagonal rod is adjusted and stretched by the oil cylinder adjusting device, the upper end of each set of telescopic diagonal rod is fixedly hinged to the support of the horizontal rod connecting seat, and the lower end of each set of telescopic diagonal rod is fixedly hinged to the connecting seat of the shear key device supporting box outside the embedded device arranged below the pier column.
2. The bridge construction attachable adjustable bracket of claim 1, wherein: the four sets of pre-buried devices are horizontally arranged in a group, are horizontally arranged along the axis of the through hole of the pre-buried box, and are located on the same vertical plane along the two groups of vertical posts.
3. The bridge construction attachable adjustable bracket of claim 1, wherein: each side of the embedded bars is provided with a plurality of embedded bars, and each embedded bar adopts a multi-bending structure.
4. The bridge construction attachable adjustable bracket of claim 1, wherein: and the finish rolling deformed steel bars at the outer ends of the shear key devices are anchored by double nuts after being oppositely pulled by hydraulic punching jacks.
5. The bridge construction attachable adjustable bracket of claim 1, wherein: the shear key device connecting seat is a double-lug connecting seat which is welded and fixed perpendicular to the upper surface of the supporting box, and one end of the horizontal rod is hinged and fixed with the double-lug connecting seat through a pin shaft.
6. The bridge construction attachable adjustable bracket of claim 1, wherein: the horizontal rod face is provided with a bubble leveling inspection device, and the lower surface of the horizontal rod face is provided with a leveling inspection device.
7. The bridge construction attachable adjustable bracket of claim 1, wherein: the telescopic inclined rod is of a sleeve rod structure, the lower inclined rod slides in the upper inclined rod in a telescopic way, and the lower inclined rod is provided with equidistant through holes and can be limited and fixed with fixed through holes arranged on the upper inclined rod through bolts; the upper end of the upper inclined rod is fixedly hinged with a horizontal rod connecting seat, and the lower end of the lower inclined rod is fixedly hinged with a connecting seat of a shear key device supporting box outside the embedded device arranged below the pier column.
8. The bridge construction attachable adjustable bracket of claim 7, wherein: the lifting jack is characterized in that a jack driving plate is arranged on the end wall of the lower inclined rod, a jack placing table is arranged on the upper inclined rod and the side rod wall, a hydraulic jack is fixed on the jack placing table, and the hydraulic jack is in driving connection with the lower inclined rod jack driving plate through an adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322570103.9U CN221320697U (en) | 2023-09-21 | 2023-09-21 | Bridge construction attached type adjustable bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322570103.9U CN221320697U (en) | 2023-09-21 | 2023-09-21 | Bridge construction attached type adjustable bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221320697U true CN221320697U (en) | 2024-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322570103.9U Active CN221320697U (en) | 2023-09-21 | 2023-09-21 | Bridge construction attached type adjustable bracket |
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| Country | Link |
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| CN (1) | CN221320697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117127521A (en) * | 2023-09-21 | 2023-11-28 | 中国水利水电第七工程局有限公司 | A bridge construction attached adjustable bracket |
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2023
- 2023-09-21 CN CN202322570103.9U patent/CN221320697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117127521A (en) * | 2023-09-21 | 2023-11-28 | 中国水利水电第七工程局有限公司 | A bridge construction attached adjustable bracket |
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