CN213389752U - Bracket for pier top pouring construction - Google Patents
Bracket for pier top pouring construction Download PDFInfo
- Publication number
- CN213389752U CN213389752U CN202022075935.XU CN202022075935U CN213389752U CN 213389752 U CN213389752 U CN 213389752U CN 202022075935 U CN202022075935 U CN 202022075935U CN 213389752 U CN213389752 U CN 213389752U
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- pier
- bracket
- rod
- cross beam
- pier body
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000010485 coping Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The utility model discloses a pier mound top is watered and is built construction and is used bracket, mainly include the stock that A-frame, built-in fitting and connection A-frame and built-in fitting were used. One vertical end face of the embedded part is embedded in the pier body concrete in parallel with the side face of the pier body, the triangular support is tightly attached to the side face of the pier body through the anchor rod through the fastener and is connected with the embedded part, the assembly and disassembly are simple and rapid, and the triangular support can be repeatedly used; only one group of embedded parts is arranged along the height direction of the pier body, only one reserved hole is reserved on the surface of the pier body after the triangular supports are removed, the later-stage repairing workload is small, and the appearance quality of the pier body is good; the triangular support comprises a shear member, a vertical rod, a cross beam and an inclined rod, the cross beam is horizontally arranged, the shear member is hinged to the lower side of one end of the cross beam, the vertical rod is hinged to the lower end of the shear member, the inclined rod can be detachably connected between the vertical rod and the cross beam, the connecting positions of the two ends of the inclined rod on the vertical rod and the cross beam are adjustable, the triangular support is suitable for pier top section construction of different cantilever lengths, repositioning is not needed, and is few in adjusting point and simple to operate.
Description
Technical Field
The utility model relates to a bridge pier top construction equipment, concretely relates to pier top is watered and is built construction and use bracket.
Background
During the pouring construction of the pier top section of the high pier of the bridge, a bracket is usually adopted for bearing, and at present, the structure of the bracket is mainly that an upper embedded part and a lower embedded part are embedded in a pier body, and then an assembled support is welded and fixed with the upper embedded part and the lower embedded part. This type of tray structure suffers from the following disadvantages:
the bracket is complex to mount and dismount at high altitude, the dismounted bracket cannot be reused, the resource waste is serious, the bracket cannot be flexibly adjusted, and the bracket cannot be universally used for pier top sections with various cantilever lengths;
after the bracket is disassembled, two groups of preformed holes generated by the embedded parts are reserved on the pier body and below the pier body, the operation of repairing the pier body in the later period is difficult, the repairing amount is large, and the appearance quality is poor after repairing.
Chinese patent publication No. CN 207143755U discloses an adjustable bracket for pier No. 0 block, which is disclosed in the first paragraph of the technical solution of the patent: "pier in pre-buried have the outside bracket iron box of opening, the inserted bracket pole that is equipped with in the bracket iron box, the outside overhang of bracket pole sets up, the cover is equipped with the slip cap on the horizontal pole, the down tube includes bracing and rather than the sleeve pipe of suit, the down tube slides with the help of bracing and sheathed tube suit and forms scalable unit, slip cap and bracket pole are articulated with the both ends of down tube respectively and are connected, between pole setting and the bracket pole, all be provided with adjustment mechanism between horizontal pole and the slip cap and between bracing and the sleeve pipe, adjustment mechanism is including setting up adjustment hole and the locating hole on different parts respectively, the adjustment hole is a set of equipartition, the locating hole is one or a set of and quantity is less than the adjustment hole, be connected fixedly through round pin axle or bolt between adjustment hole and the locating hole. The bridge pier is also pre-embedded with a hollow pipe made of plastic, two ends of the hollow pipe penetrate through the bridge pier and are provided with connecting reinforcing steel bars, two ends of each connecting reinforcing steel bar extend out of the hollow pipe, a mounting plate with a through hole is fixed at the right angle of each triangular support, each threaded bar penetrates through the through hole and is locked on the outer side of the mounting plate through nuts, and the two triangular supports are fixedly connected with the mounting plate through the connecting reinforcing steel bars and the mounting plate through threads to form an integral structure. "it can be known that the technical solution disclosed in the patent solves some problems of the previous bracket structure in construction to some extent, but still has the following problems:
the upper end and the lower end of the triangular bracket of the bracket disclosed in the patent are respectively connected with a hollow pipe and a bracket iron box which are pre-embedded on a pier body, so that the assembly and disassembly of a group of brackets still need an upper working procedure and a lower working procedure;
according to the adjustable bracket, the cross rod, the vertical rod and the inclined strut are respectively provided with a plurality of adjusting holes and positioning holes for adjusting the size of the triangular bracket, so that the adjustable bracket is suitable for pier top sections with different cantilever lengths;
the cross rod and the vertical rod are fixedly connected together, and a large bending moment is formed at the connecting part of the cross rod and the vertical rod after the bracket bears the load, so that the stress concentration phenomenon is generated, and the reutilization of the bracket is not facilitated;
although the hollow tube and the bracket iron box which are used for connecting the triangular supports and are embedded in the pier body are different in structure, the bracket is embedded in the upper and lower parts of the pier body, and therefore the number of the preformed holes in the pier body after the bracket is removed is not reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjust easy operation, atress even, high altitude installation dismantlement swift and dismantle the back at pier top pouring construction with bracket that pier shaft surface preformed hole is few.
The utility model provides a this kind of pier mound top waters and builds bracket for construction mainly includes the stock that A-frame, built-in fitting and connection A-frame and built-in fitting used. One vertical end face of the embedded part is embedded in the pier body concrete in parallel with the side face of the pier body, the triangular support is tightly attached to the side face of the pier body through the anchor rod through the fastener and is connected with the embedded part, and only one group of embedded parts is arranged in the height direction of the pier body; the triangular support comprises a shear member, a vertical rod, a cross beam and an inclined rod, the cross beam is horizontally arranged, the shear member is hinged to the lower side of one end of the cross beam, the vertical rod is hinged to the lower end of the shear member, the inclined rod is detachably connected between the vertical rod and the cross beam, and the connecting positions of the two ends of the inclined rod on the vertical rod and the cross beam are adjustable.
In one embodiment of the above technical solution, the shear member and the embedded part are assembled by inserting, the shear member includes a columnar main body, and a vertical side plate of the columnar main body is tightly attached to the side surface of the pier body.
In an embodiment of the above technical scheme, the bottom outside of the vertical rod is connected with the hinged seat used for connecting the diagonal rod, and the vertical rod is vertically provided with a plurality of groups of connecting holes used for connecting the hinged seat.
In an embodiment of the above technical scheme, the bottom surface of the cross beam is connected with a hinged seat for connecting the diagonal rods, and the bottom surface is provided with a plurality of groups of connecting holes with the same number as the connecting holes on the vertical rods along the length direction.
In an embodiment of the above technical scheme, two ends of the diagonal rod are respectively provided with a hinge joint, and the two hinge joints are respectively hinged with the hinge seats through pin shafts.
In one embodiment of the above technical solution, a reinforcing rod is detachably connected between the diagonal rod and the cross beam.
In one embodiment of the technical scheme, the triangular supports on the same side of the pier body are connected into a whole through the longitudinal truss fixed on the outer side of the inclined rod of each triangular support.
In an embodiment of the above technical solution, the anchor rods are arranged side by side in pairs.
In one implementation mode of the technical scheme, the anchor rod and the embedded part are embedded in the pier body at the same time to form fixed connection; or the hollow pipe is connected to the embedded part, and the anchor rod is detachably connected with the embedded part in a mode of penetrating and sleeving in the hollow pipe.
Compared with the prior art, the utility model, have following advantage:
1. the utility model discloses a stock passes shear force component and built-in fitting, can install the A-frame on the mound body with the help of the fastener, dismantles the bracket and also only needs to loosen the fastener, takes out the A-frame from the stock and can accomplish and demolish the process, can not damage the overall structure of A-frame, lets the A-frame reuse, more importantly high altitude installation dismantlement convenient operation is swift;
2. the utility model can be suitable for the construction of pier top sections with different cantilever lengths by adjusting the positions of the hinge points of the diagonal rods and the cross beams and the vertical rods on the cross beams and the vertical rods, does not need to be repositioned, has few adjusting points and is simple in adjusting operation;
3. the shear member of the utility model is transversely hinged with the beam and vertically hinged with the vertical rod, after the bracket bears the load, the connection mode allows the vertical rod to rotate around the shear member within a certain range to compensate the vertical error of the pier body, thereby always fitting the side surface of the pier body, avoiding the stress concentration phenomenon caused by larger bending moment at the connection point, and ensuring that the whole triangular bracket is stressed uniformly;
4. the utility model discloses a single A-frame only needs an embedded part to correspond the installation, only leaves a preformed hole on pier shaft surface after removing A-frame promptly, and the later stage is restoreed work load little, and pier shaft appearance quality is good.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is an exploded view of the structure of the triangular support in fig. 1 (reinforcing rods not shown).
Fig. 3 is a schematic structural diagram of the assembled triangular support.
FIG. 4 is a schematic diagram illustrating anchoring of a set of embedment members and shear members of a triangular bracket according to an embodiment.
Fig. 5 is an enlarged schematic view of a second connection mode of the embedded part and the anchor rod in the first embodiment.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 7 is an enlarged schematic structural view of the integral embedding of the embedded part and the anchor rod in the second embodiment.
FIG. 8 is an enlarged schematic view of the shear member anchoring of the embedment and the triangular bracket in the second embodiment.
Detailed Description
The invention will be further explained by the embodiments with reference to the drawings.
The first embodiment is used for bilateral construction of pier top sections of piers, and the triangular supports with the same number are symmetrically arranged on the front side, the back side and the side of a pier body.
As shown in fig. 1 to 5, the bracket for pier coping casting construction disclosed in this example is mainly composed of a triangular bracket 1, an embedded part 2 and an anchor rod 3.
The embedded parts 2 are symmetrically arranged in pairs, are connected into a whole through the hollow pipes 4 and then are embedded in concrete at the front side and the rear side of the pier body along the bridge direction in advance, the anchor rod positioning holes 21 are formed in the embedded parts 2, and the embedded parts 2 are only arranged in a group along the height direction of the pier body 6.
The quantity of the triangular supports 1 is set according to the use and the size of the pier body and the required bearing quality, and the quantity of the embedded parts 2 corresponds to that of the triangular supports 1, namely the triangular supports 1 are symmetrically arranged at the positions of each group of the embedded parts 2.
Each triangular support 1 comprises a shear member 11, a cross beam 12, a vertical rod 13, an inclined rod 14 and a reinforcing rod 15.
The shear member 11 comprises a rectangular columnar main body 111, the top plate of the columnar main body 111 is connected with upward double-lug plates for connecting the cross beam 12, the bottom of the columnar main body 111 is provided with a vertical rod hinge hole, and the top of the columnar main body is provided with an anchor rod mounting hole.
The upper end of the vertical rod 13 is provided with a hinged joint, and the vertical rod is inserted into the bottom of the columnar main body of the shear member 11 through the hinged joint and then is hinged below the columnar main body 111 through a pin shaft.
The bottom outside of montant 13 is connected with articulated seat JJZ, and the bottom outside is provided with the connecting hole that the multiunit is used for connecting articulated seat along vertical.
The crossbeam 12 is arranged horizontally, one end of the crossbeam is hinged with the double lug plates at the top of the shear member 11 through a pin shaft and then supported through the inclined rod 14, the bottom of the crossbeam 12 is connected with an articulated seat JJZ for connecting the inclined rod 14, and the bottom of the crossbeam is provided with a plurality of groups of connecting holes with the same number as the vertical rods along the length square shape and used for fixing the articulated seat.
The two ends of the diagonal rod 14 are respectively provided with a double-lug plate, and the double-lug plates at the two ends are respectively hinged with the vertical rod 13 and the hinged seat JJZ on the cross beam 12 through pin shafts.
The arrangement of the multiple groups of connecting holes on the vertical rod 13 and the cross beam 12 enables the hinge seat JJZ to be fixed by the connecting holes at different positions so as to adapt to different installation angles of the diagonal rod 14, the different installation angles of the diagonal rod 14 can enable the bracket to be suitable for pier top sections with different cantilever lengths, the number of adjusting points is small, and the adjusting operation is simple.
When the triangular support 1 is assembled with the embedded part 2, the columnar main body 111 of the shear member 11 is connected with the embedded part 2 in an inserting mode, an inserting groove can be formed in the outer side of the embedded part 2, and the columnar main body 111 is tightly attached to the outer side of the vertical side plate of the side face of the pier body and is connected with an inserting plate.
The anchor rods 3 are arranged side by side in pairs, each pair of anchor rods 3 corresponds to one group of embedded parts 2, and the anchor rods 3 are detachably connected with one group of embedded parts 2 which are connected into a whole by hollow pipes 4.
After the triangular support 1 and the embedded part 2 are assembled, the anchor rod 3 penetrates through the columnar main body 111 of the shear member 11, the embedded part 2, the hollow pipe 4, the embedded part on the other side and the columnar box body from one side of the pier body, and two ends of the anchor rod are respectively locked and fixed on the front side and the rear side of the pier body through the fasteners 5.
After the pair of triangular supports 1 and the embedded part 2 are fixed and locked through the two parallel anchor rods 3, the pair of brackets are installed, the installation operation is convenient and fast, and the high-altitude operation procedures are few.
In order to improve the stability of the triangular support 1, a reinforcing rod 15 is arranged between the cross beam 12 and the inclined rod 14, and the reinforcing rod 15 is connected with the cross beam 12 and the inclined rod 14 in a hinged mode so as to facilitate the loading and unloading operation of the reinforcing rod 15.
In order to improve the overall performance of the bracket, the triangular brackets 1 on the same side of the pier body are connected into a whole through the longitudinal truss 6 fixed on the outer side of the inclined rod 14.
In this embodiment, the anchor rods 3 may also be fixedly connected to the embedment 2, as shown in fig. 5. Anchor rods 3 are arranged side by side in pairs, a pair of anchor rods 3 are integrally embedded in a pier body after penetrating through a group of embedded parts, the two ends of each anchor rod 3 extend out of the front part and the rear side surface of the pier body, when a triangular support 1 is assembled with the embedded parts 2, a columnar main body 111 of a shear member 11 on the triangular support 1 penetrates through the extending end of each anchor rod 3, an ear plate on the columnar main body 111 is inserted into each embedded part 2, a vertical side plate of the columnar main body 111 is tightly attached to the side surface of the pier body, the whole triangular support 1 is fixed on the side surface of the pier body through a fastener, the installation of one triangular support can be completed, the installation of the triangular support on the other side of the pier body is completed in the same step.
The second embodiment is used for unilateral construction of pier top segment, and a plurality of A-frames are arranged to pier shaft one side.
As shown in fig. 6, the bracket for pier coping casting construction disclosed in the present embodiment has a plurality of triangular supports 1 arranged on one side of a pier body.
As can be seen from fig. 6 and 7, one embedded part 2 corresponds to two anchor rods 3, the two anchor rods 3 penetrate through the embedded part 1 side by side to form a whole body to be embedded in concrete on one side of the pier body, and one end of each anchor rod 3 is provided with a pier body side surface extending out of the adjacent embedded part.
As can be seen from fig. 6 and 8, when the triangular bracket 1 is assembled with the embedded part 2, the columnar main body 111 of the shear member 11 on the triangular bracket 1 penetrates through the extending end of the anchor rod 3, the ear plate on the columnar main body 111 is inserted into the embedded part 2, a vertical side plate of the columnar main body 111 is tightly attached to the side surface of the pier body, the whole triangular bracket 1 is fixed on the pier body through the fastener, the installation of one triangular bracket is completed, and the installation of other triangular brackets is completed in the same step, so that the installation of the bracket can be completed.
It can be seen from the above structure of the present bracket that it has the following advantages: the anchor rod penetrates through the shear member and the embedded part, the triangular support can be installed on the pier body by means of the fastener, the dismounting bracket only needs to loosen the fastener, the triangular support is drawn out from the anchor rod, the dismounting procedure can be completed, the integral structure of the triangular support cannot be damaged, the triangular support can be recycled, and more importantly, the high-altitude mounting and dismounting operation is convenient and rapid; the pier top segment construction with different cantilever lengths can be suitable by adjusting the positions of the hinge points of the diagonal rods, the cross beams and the vertical rods on the cross beams and the vertical rods, the number of adjusting points is small, and the adjusting operation is simple; the shear member is transversely hinged with the cross beam, and the vertical member is hinged with the vertical rod, after the bracket bears the load, the connection mode allows the vertical rod to rotate around the shear member within a certain range to compensate the vertical error of the pier body, so that the vertical rod is always attached to the side surface of the pier body, the stress concentration phenomenon caused by a large bending moment at the connection point is avoided, and the stress of the whole triangular support is uniform; a single triangular support only needs one embedded part to be correspondingly installed, only one reserved hole is reserved on the surface of the pier body after the triangular support is removed, the later-stage repairing workload is small, and the appearance quality of the pier body is good.
Claims (9)
1. The utility model provides a pier mound is poured and is built construction and is used bracket, mainly includes A-frame, built-in fitting and connects the stock that A-frame and built-in fitting used, its characterized in that:
one vertical end face of the embedded part is embedded in the pier body concrete in parallel with the side face of the pier body, the triangular support is tightly attached to the side face of the pier body through the anchor rod through the fastener and is connected with the embedded part, and only one group of embedded parts is arranged in the height direction of the pier body; the triangular support comprises a shear member, a vertical rod, a cross beam and an inclined rod, the cross beam is horizontally arranged, the shear member is hinged to the lower side of one end of the cross beam, the vertical rod is hinged to the lower end of the shear member, the inclined rod is detachably connected between the vertical rod and the cross beam, and the connecting positions of the two ends of the inclined rod on the vertical rod and the cross beam are adjustable.
2. The bracket for pier coping pouring construction according to claim 1, wherein: the shear member and the embedded part are assembled in an inserting mode, the shear member comprises a columnar main body, and a vertical side plate of the columnar main body is tightly attached to the side face of the pier body.
3. The bracket for pier coping pouring construction according to claim 1, wherein: the bottom outside of montant is connected with and is used for connecting the articulated seat of down tube, and the montant is provided with the connecting hole that the multiunit is used for connecting articulated seat along vertical.
4. The bracket for pier coping pouring construction according to claim 3, wherein: the bottom surface of crossbeam is connected with and is used for connecting the articulated seat of down tube, and the bottom surface is provided with the multiunit connecting hole the same with quantity on the montant along length direction.
5. The bracket for pier coping pouring construction according to claim 4, wherein: two ends of the diagonal rod are respectively provided with a hinge joint, and the two hinge joints are respectively hinged with the hinge seats through pin shafts.
6. The bracket for pier coping pouring construction according to claim 1, wherein: and a reinforcing rod is detachably connected between the inclined rod and the cross beam.
7. The bracket for pier coping pouring construction according to claim 1, wherein: the triangular supports on the same side of the pier body are connected into a whole through longitudinal trusses fixed on the outer sides of the inclined rods of the triangular supports.
8. The bracket for pier coping pouring construction according to claim 1, wherein: the anchor rods are arranged in pairs side by side.
9. The bracket for pier coping pouring construction according to claim 8, wherein: the anchor rod and the embedded part are embedded in the pier body at the same time to form fixed connection; or the hollow pipe is connected to the embedded part, and the anchor rod is detachably connected with the embedded part in a mode of penetrating and sleeving in the hollow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075935.XU CN213389752U (en) | 2020-09-21 | 2020-09-21 | Bracket for pier top pouring construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075935.XU CN213389752U (en) | 2020-09-21 | 2020-09-21 | Bracket for pier top pouring construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213389752U true CN213389752U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075935.XU Active CN213389752U (en) | 2020-09-21 | 2020-09-21 | Bracket for pier top pouring construction |
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| CN (1) | CN213389752U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430945A (en) * | 2021-07-01 | 2021-09-24 | 广西路桥工程集团有限公司 | Design method of assembly type bracket, bracket and construction method of bridge 0# block |
| CN113550233A (en) * | 2021-08-20 | 2021-10-26 | 南通路桥工程有限公司 | Triangular bracket structure for bridge and construction method thereof |
| CN113638322A (en) * | 2021-09-10 | 2021-11-12 | 康智鹏 | High bridge construction of security is with support bracket |
| CN115679814A (en) * | 2022-08-23 | 2023-02-03 | 广西路桥工程集团有限公司 | Mounting method of assembly type 0# block bracket |
-
2020
- 2020-09-21 CN CN202022075935.XU patent/CN213389752U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430945A (en) * | 2021-07-01 | 2021-09-24 | 广西路桥工程集团有限公司 | Design method of assembly type bracket, bracket and construction method of bridge 0# block |
| CN113550233A (en) * | 2021-08-20 | 2021-10-26 | 南通路桥工程有限公司 | Triangular bracket structure for bridge and construction method thereof |
| CN113638322A (en) * | 2021-09-10 | 2021-11-12 | 康智鹏 | High bridge construction of security is with support bracket |
| CN115679814A (en) * | 2022-08-23 | 2023-02-03 | 广西路桥工程集团有限公司 | Mounting method of assembly type 0# block bracket |
| CN115679814B (en) * | 2022-08-23 | 2023-04-11 | 广西路桥工程集团有限公司 | Mounting method of assembly type 0# block bracket |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211217 Address after: 410100 Xingsha Avenue, Xingsha street, Changsha County, Changsha City, Hunan Province Patentee after: Hunan China Railway Wuxin Formwork Engineering Service Co.,Ltd. Address before: Hunan business culture and Technology Industrial Park, Zhongfang County, Huaihua City, Hunan Province Patentee before: Hunan China Railway Wuxin Steel Mould Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 205, Xingsha Avenue, Xingsha Subdistrict, Changsha County, Changsha, 410000, Hunan Province Patentee after: Hunan Wuxin Intelligent Engineering Machinery Co.,Ltd. Country or region after: China Address before: 410100 Xingsha Avenue, Xingsha street, Changsha County, Changsha City, Hunan Province Patentee before: Hunan China Railway Wuxin Formwork Engineering Service Co.,Ltd. Country or region before: China |