CN111335172A - Movable pier column cross beam prestress tensioning hanging frame construction platform and construction method - Google Patents
Movable pier column cross beam prestress tensioning hanging frame construction platform and construction method Download PDFInfo
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- CN111335172A CN111335172A CN202010184031.2A CN202010184031A CN111335172A CN 111335172 A CN111335172 A CN 111335172A CN 202010184031 A CN202010184031 A CN 202010184031A CN 111335172 A CN111335172 A CN 111335172A
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- pier
- construction platform
- prestressed
- hanging basket
- tensioning
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a movable pier stud crossbeam prestress tension hanging rack construction platform and a construction method, and relates to the technical field of bridge construction.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a movable pier column crossbeam prestress tensioning hanging frame construction platform and a construction method.
Background
In the prestressed tensioning construction of a pier column cross beam, a temporary support platform is generally required to be erected so as to facilitate the movement of constructors and the installation of equipment such as a jack, an oil pump and the like in the construction process. In the process of tensioning construction, a jack for tensioning needs to be temporarily hoisted and then installed in front of an anchorage device, so that a jack suspension frame needs to be manufactured. The construction amount of the traditional pier stud beam tensioning temporary support platform is large, the requirement on earth surface bearing capacity is high, the water area construction is difficult, and the stability of a high pier stud beam support is not easy to control.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a movable pier column crossbeam prestress tensioning hanging frame construction platform and a construction method, which have the characteristic of no influence of the ground surface environment.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
first aspect provides a movable pier stud crossbeam prestressing force stretch-draw stores pylon construction platform, includes:
the pier holding ring beam is detachably sleeved outside the pier column;
the vertical hanging basket is fixed with the pier-embracing ring beam, an operating platform is arranged at the bottom of the vertical hanging basket, and the vertical hanging basket is arranged on one side, far away from the cross beam, of the pier column;
and the lifting device is fixed at the top of the vertical hanging basket.
On the basis of the technical scheme, the pier-holding ring beam comprises a ring beam main body and a plurality of limiting rods, the two ends of each limiting rod are detachably fixed with the ring beam main body, and the limiting rods and the ring beam main body enclose a containing area for containing the pier stud.
On the basis of the technical scheme, the limiting rod comprises section steel and a connecting steel plate, one side of the connecting steel plate is fixed with the section steel, and the other side of the connecting steel plate is detachably fixed with the ring beam main body.
On the basis of the technical scheme, the top of the vertical hanging basket is provided with a plurality of hanging rods, and the lifting device is fixed on the hanging rods.
On the basis of the technical scheme, the prestress tensioning hanging rack construction platform further comprises a walking channel, one end of the walking channel is fixed with the vertical hanging basket, the other end of the walking channel is fixed with the pier-embracing ring beam and extends to one side, far away from the vertical hanging basket, of the pier-embracing ring beam.
On the basis of the technical scheme, a hanging ladder for connecting the top and the bottom is arranged in the vertical hanging basket, and the hanging ladder is close to the walking channel.
On the basis of the technical scheme, the guardrail is arranged at the bottom of the vertical hanging basket.
On the basis of the technical scheme, the lifting device is a chain block.
On the basis of the technical scheme, lifting lugs are arranged at the tops of the pier-holding ring beam and the vertical hanging basket.
In a second aspect, a construction method using the prestressed tension hanging rack construction platform is further provided, and the construction method includes the following steps:
lifting the construction platform of the prestress tensioning hanging frame and moving the construction platform to a pier stud, and detachably sleeving the pier-holding ring beam outside the pier stud;
and hoisting the jack to the position of the prestressed steel strand tensioned on the pier stud through the hoisting device so as to finish the tensioning operation of the prestressed steel strand.
Compared with the prior art, the invention has the advantages that:
according to the movable pier stud beam prestress tensioning hanger construction platform, the prestress tensioning hanger construction platform can be integrally fixed on a pier stud through the arranged pier-holding ring beam, so that the problems that a traditional pier stud beam tension temporary support platform is large in construction amount, high in requirement on ground surface bearing capacity and difficult in water area construction are solved.
Drawings
Fig. 1 is an installation schematic diagram of a prestressed tension pylon construction platform in an embodiment of the invention;
FIG. 2 is a partially enlarged schematic view of a prestressed tension pylon construction platform according to an embodiment of the invention;
FIG. 3 is a top view of a prestressed tension pylon construction platform according to an embodiment of the present invention;
fig. 4 is a side view of a prestressed tension pylon construction platform according to an embodiment of the present invention.
In the figure: the method comprises the following steps of 1-pier-embracing gird, 11-gird body, 12-limiting rod, 121-section steel, 122-connecting steel plate, 2-vertical hanging basket, 21-operating platform, 22-hanging rod, 23-guardrail, 3-running channel, 4-pier stud, 5-cross beam and 6-prestressed steel bundle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 3, an embodiment of the invention provides a movable pier stud crossbeam prestress tensioning hanger construction platform, which comprises a pier embracing ring beam 1, a vertical hanging basket 2 and a hoisting device, wherein the pier embracing ring beam 1 is detachably sleeved outside a pier stud 4, the vertical hanging basket 2 is fixed with the pier embracing ring beam 1, the bottom of the vertical hanging basket 2 is provided with an operation platform 21, the vertical hanging basket 2 is arranged on one side of the pier stud 4, which is far away from a crossbeam 5, and the hoisting device is fixed at the top of the vertical hanging basket 2 and used for hoisting a jack.
Through the mound ring beam 1 of embracing that sets up, it can overlap and locate on pier stud 4, thereby guarantee that prestressing force stretch-draw stores pylon construction platform can wholly be fixed in on pier stud 4, after prestressing force stretch-draw stores pylon construction platform wholly is fixed in on pier stud 4, operating personnel is located and accomplishes lifting by crane to the jack through hoisting accessory on operation platform 21, and remove the jack and accomplish the stretch-draw to prestressing force steel strand 6 to the position of stretch-draw prestressing force steel strand 6 on pier stud 4, this prestressing force stretch-draw stores pylon construction platform is unsettled to be fixed in on pier stud 4 promptly, directly not support subaerial, and then avoid appearing traditional pier stud crossbeam stretch-draw temporary support platform and set up the engineering volume great, it is high to earth's surface bearing capacity requirement, and the problem of waters construction difficulty.
Referring to fig. 1 and 2, the pier-embracing gird 1 comprises a gird body 11 and a plurality of limiting rods 12, wherein two ends of each limiting rod 12 are detachably fixed with the gird body 11, the limiting rods 12 and the gird body 11 enclose to form an accommodating area for accommodating pier columns, wherein, the ring beam main body 11 comprises a cross rod and a vertical rod which are connected to form a frame structure, by fixing the limiting rod 12 and the ring beam main body 11, when the pier stud 4 passes through the accommodating section, the pier-embracing gird 1 and the pier stud 4 are fixed in the radial direction by the fixing action of the limiting rod 12, and meanwhile, when the prestressed tension hanging rack construction platform is fixed, should embrace mound collar tie beam 1 and should be located crossbeam 5, through crossbeam 5's limiting displacement, place this prestressing force stretch-draw stores pylon construction platform and slide downwards along the axial of pier stud 4, and then can be fixed in prestressing force stretch-draw stores pylon construction platform on the pier stud 4.
The limiting rod 12 comprises a section steel 121 and a connecting steel plate 122, one side of the connecting steel plate 122 is fixed with the section steel 121, the other side of the connecting steel plate 122 is detachably fixed with the ring beam main body 11, wherein two connecting steel plates 122 are arranged at two ends of the section steel 121 respectively and are welded with the section steel 121 through connecting plates, the connecting steel plate 122 and the ring beam main body 11 are provided with matched threaded holes, when the limiting rod 12 is fixed with the ring beam main body 11, the fixing is completed through the threaded holes which are fixed on the connecting steel plate 122 and the ring beam main body 11 through bolts, at the moment, the section steel 121 and the ring beam main body 11 jointly complete the limiting on the pier stud 4, further, one connecting steel plate 122 is arranged, the connecting steel plate 122 is welded with the section steel 121 through the connecting plates, the connecting steel plate 122 and the ring beam main body 11 are provided with matched threaded holes, the fixing is completed through the threaded holes, and completes the limit of the pier stud 4 with the ring beam main body 11.
Referring to fig. 1 and 3, 2 tops of vertical hanging basket are equipped with a plurality of rods 22 that hang, and hoisting accessory is fixed in on hanging the rod 22, preferably, hoisting accessory is chain block, a plurality of rods 22 that hang through setting up, stability when can guaranteeing hoisting accessory is fixed, and then guarantee hoisting accessory when lifting by crane the jack, can steady rise, the condition of rocking appears when having avoided hoisting accessory to lift by crane the jack, lead to the condition that the jack collides pier stud 4 isotructure, cause the jack to damage, through a plurality of settings that hang the rod 22 promptly, can guarantee that the jack is safe and steady to promote to preset position, and then ensured going on smoothly of construction operation.
Referring to fig. 1, 3 and 4, the prestressed tension hanging rack construction platform further comprises a walking channel 3, one end of the walking channel 3 is fixed with a vertical hanging basket 2, the other end of the walking channel 3 is fixed with a pier embracing ring beam 1 and extends to one side of the pier embracing ring beam 1 far away from the vertical hanging basket 2, further, a hanging ladder for connecting the top and the bottom is arranged in the vertical hanging basket 2 and is arranged close to the walking channel 3, wherein when the prestressed tension hanging rack construction platform is fixed, an operator is positioned on a cross beam 5 with a constructed superstructure, a crane lifts the prestressed tension hanging rack construction platform to a pier column 4, the operator completes fixing of the pier embracing ring beam 1 by matching with the crane, after fixing of the pier embracing ring beam 1 is completed, the operator moves to the vertical hanging basket 2 through the walking channel 3 and enters the vertical hanging basket 2 through the hanging ladder, and completes lifting of a jack for tensioning and tensioning operation of a prestressed steel bundle 6 in the vertical hanging basket 2.
Referring to fig. 1 and 4, the guardrail 23 is arranged at the bottom of the vertical hanging basket 2, and the safety of operators who construct in the vertical hanging basket 2 can be ensured by the arrangement of the guardrail 23, so that the overall safety performance of the prestressed tension hanging rack construction platform is improved.
Embrace mound gird 1 and vertical string 2 tops of basket and all be equipped with the lug, through the setting of lug, can provide the hoisting point when lifting by crane prestressing force stretch-draw stores pylon construction platform through the loop wheel machine, avoid the loop wheel machine to lift by crane prestressing force stretch-draw stores pylon construction platform direct action on embracing mound gird 1 and/or vertical string basket 2, and because the effort when lifting by crane is great, the condition of embracing mound gird 1 or vertical string basket 2 damage deformation appears, and then guaranteed the efficiency of construction to 6 stretch-draws of prestressing force steel bunch.
Referring to fig. 1 to 4, an embodiment of the present invention further provides a construction method using the prestressed tension hanger construction platform, including the following steps:
hoisting the prestressed tensioning hanging frame construction platform and moving the prestressed tensioning hanging frame construction platform to the pier stud 4, and detachably sleeving the pier-holding ring beam 1 outside the pier stud 4;
and hoisting the jack for tensioning to the position of the prestressed steel strand 6 on the pier stud 4 by using the hoisting device so as to finish the tensioning operation of the prestressed steel strand 6.
The more specific construction method comprises the following steps: the prestressed tensioning hanging frame construction platform is hung beside the pier stud 4 through an automobile crane or other equipment, the limiting rod 12 is not installed at the moment, the ring beam main body 11 is over against the pier stud 4, an operator pulls the prestressed tensioning hanging frame construction platform to the pier stud 4 through a rope, and the ring beam main body 11 is embedded and sleeved on the pier stud 4; in the installation process, operators do not enter the prestressed tension hanging rack construction platform, and all operations are completed on the cross beam 5;
after the ring beam main body 11 is embedded and sleeved on the pier stud 4, the limiting rod 12 is adjusted to the installation position, the limiting rod 12 and the ring beam main body 11 are connected into a whole through a bolt, and at the moment, the installation of the prestressed tensioning hanger construction platform is completed;
after the prestressed tension hanging rack construction platform is installed, an operator can move to the vertical hanging basket 2 through the traveling channel 3 on the prestressed tension hanging rack construction platform, the vertical hanging basket 2 is provided with a vertical hanging ladder, and the operator can reach the operation platform 21 through the vertical hanging ladder to perform operation construction;
the hanging rod 22 of the chain block is arranged above the operating platform 21 at the bottom, in the construction process, the chain block is hung through the hanging rod 22 to lift the jack for tensioning, and the tensioning operation of the prestressed steel bundle 6 is performed through the jack for tensioning, so that the manual operation difficulty is reduced, and the construction safety is ensured.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a movable pier stud crossbeam prestressing force stretch-draw stores pylon construction platform which characterized in that includes:
the pier holding ring beam (1), the pier holding ring beam (1) is detachably sleeved outside the pier column (4);
the vertical hanging basket (2) is fixed with the pier-embracing ring beam (1), an operating platform (21) is arranged at the bottom of the vertical hanging basket (2), and the vertical hanging basket (2) is arranged on one side, away from the cross beam (5), of the pier column (4);
the lifting device is fixed at the top of the vertical hanging basket (2).
2. The movable construction platform for the prestressed tensioning pylon of the pier column and the crossbeam of claim 1, wherein: embrace mound gird (1) including gird main part (11) and a plurality of gag lever post (12), gag lever post (12) both ends with gird main part (11) can be dismantled fixedly, just gag lever post (12) with gird main part (11) enclose to close and form the holding interval that holds the pier stud.
3. The movable construction platform for prestressed tension pylons of pier columns and beams as claimed in claim 2, wherein: the limiting rod (12) comprises section steel (121) and a connecting steel plate (122), one side of the connecting steel plate (122) is fixed to the section steel (121), and the other side of the connecting steel plate is detachably fixed to the ring beam main body (11).
4. The movable construction platform for the prestressed tensioning pylon of the pier column and the crossbeam of claim 1, wherein: the top of the vertical hanging basket (2) is provided with a plurality of hanging rods (22), and the lifting device is fixed on the hanging rods (22).
5. The movable construction platform for the prestressed tensioning pylon of the pier column and the crossbeam of claim 1, wherein: the prestress tensioning hanging rack construction platform further comprises a walking channel (3), one end of the walking channel (3) is fixed with the vertical hanging basket (2), the other end of the walking channel (3) is fixed with the pier surrounding beam (1) and extends to the side, away from the vertical hanging basket (2), of the pier surrounding beam (1).
6. The movable construction platform for prestressed tension pylons of pier columns and beams as claimed in claim 5, wherein: the vertical hanging basket (2) is internally provided with a hanging ladder for connecting the top and the bottom, and the hanging ladder is arranged close to the walking channel (3).
7. The movable construction platform for the prestressed tensioning pylon of the pier column and the crossbeam of claim 1, wherein: and a guardrail (23) is arranged at the bottom of the vertical hanging basket (2).
8. The movable construction platform for the prestressed tensioning pylon of the pier column and the crossbeam of claim 1, wherein: the lifting device is a chain block.
9. The movable construction platform for the prestressed tensioning pylon of the pier column and the crossbeam of claim 1, wherein: lugs are arranged at the tops of the pier-holding ring beam (1) and the vertical hanging basket (2).
10. A construction method using the prestressed tension pylon construction platform according to any one of claims 1 to 9, comprising the steps of:
lifting the construction platform of the prestress tensioning hanging frame, moving the construction platform to a pier column (4), and detachably sleeving the pier-holding ring beam (1) outside the pier column (4);
and hoisting the jack to the position of the prestressed steel strand tensioned on the pier stud (4) by the hoisting device to finish the tensioning operation of the prestressed steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184031.2A CN111335172A (en) | 2020-03-16 | 2020-03-16 | Movable pier column cross beam prestress tensioning hanging frame construction platform and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184031.2A CN111335172A (en) | 2020-03-16 | 2020-03-16 | Movable pier column cross beam prestress tensioning hanging frame construction platform and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335172A true CN111335172A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010184031.2A Pending CN111335172A (en) | 2020-03-16 | 2020-03-16 | Movable pier column cross beam prestress tensioning hanging frame construction platform and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215335A (en) * | 2021-12-02 | 2022-03-22 | 中国水利水电第五工程局有限公司 | Movable construction platform for rock anchor beam of underground factory building |
| CN114517449A (en) * | 2022-03-22 | 2022-05-20 | 中铁大桥局第七工程有限公司 | A horizontal connection stull construction platform for arch bridge |
-
2020
- 2020-03-16 CN CN202010184031.2A patent/CN111335172A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215335A (en) * | 2021-12-02 | 2022-03-22 | 中国水利水电第五工程局有限公司 | Movable construction platform for rock anchor beam of underground factory building |
| CN114517449A (en) * | 2022-03-22 | 2022-05-20 | 中铁大桥局第七工程有限公司 | A horizontal connection stull construction platform for arch bridge |
| CN114517449B (en) * | 2022-03-22 | 2024-02-27 | 中铁大桥局第七工程有限公司 | Cross-connection cross brace construction platform for arch bridge |
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