CN113356085A - Hanging basket rear anchoring auxiliary device for cantilever beam pouring, setting method and application - Google Patents
Hanging basket rear anchoring auxiliary device for cantilever beam pouring, setting method and application Download PDFInfo
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- CN113356085A CN113356085A CN202110333220.6A CN202110333220A CN113356085A CN 113356085 A CN113356085 A CN 113356085A CN 202110333220 A CN202110333220 A CN 202110333220A CN 113356085 A CN113356085 A CN 113356085A
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- anchor
- hanging basket
- jack
- auxiliary device
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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
- E01D21/10—Cantilevered erection
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Abstract
本发明公开了一种悬臂梁浇筑用的挂篮后锚固辅助装置，包括锚杆、千斤顶、锚盒、连接套筒，其中，锚盒焊接于挂篮后锚梁端部，锚盒的上下表面开设通孔，锚盒内设置千斤顶，锚杆穿过锚盒、千斤顶，下端通过连接套筒与桥面混凝土预埋螺纹钢连接，上端固定在千斤顶上；千斤顶上部设置垫板，垫板上开设与锚盒相应的通孔，垫板上设置连接套筒，通过垫板与连接套筒将锚杆固定在千斤顶上。挂篮与梁体间的固定和解除施工时采用整体下压，整体锚固，避免了单根锚固时锚固精轧钢筋集中受力产生断裂的危险，保证施工安全。制造成本低，操作简单，缩短工期，降低了安全隐患。
The invention discloses a hanging basket rear anchoring auxiliary device for cantilever beam casting, comprising an anchor rod, a jack, an anchor box and a connecting sleeve, wherein the anchor box is welded on the end of the rear anchor beam of the hanging basket, and the upper and lower surfaces of the anchor box A through hole is opened, a jack is set in the anchor box, the anchor rod passes through the anchor box and the jack, the lower end is connected with the bridge deck concrete pre-embedded threaded steel through a connecting sleeve, and the upper end is fixed on the jack; A connecting sleeve is arranged on the backing plate corresponding to the through hole of the anchor box, and the anchor rod is fixed on the jack through the backing plate and the connecting sleeve. The fixing and releasing between the hanging basket and the beam body adopts integral downward pressure and integral anchoring, which avoids the risk of fracture caused by the concentrated force of the anchored finishing steel bars when a single anchor is anchored, and ensures the safety of construction. The manufacturing cost is low, the operation is simple, the construction period is shortened, and the safety hazard is reduced.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a hanging basket rear anchoring auxiliary device for cantilever beam pouring, a setting method and application.
Background
At present, when the cantilever beam is poured by the cantilever beam section, the rear anchor of the hanging basket on the beam body needs to be released firstly when the hanging basket moves forwards after the cantilever beam section is poured, then the hanging basket moves forwards, and after the hanging basket moves forwards and reaches a designated position, the rear anchor of the hanging basket is pressed down and anchored on the beam body again. In the construction process of anchoring behind the hanging basket, the hanging basket adopts 4 finish rolling deformed steel bars as hanging basket anchoring ribs, the upper end of the hanging basket anchoring ribs is fixed with the anchoring position behind the hanging basket by using bolts, the lower end of the hanging basket anchoring ribs is in butt joint with the pre-buried finish rolling deformed steel bars on the beam body, the hanging basket and the beam body are fixed together by means of the tension of the hanging basket anchoring ribs on the tail portion of the hanging basket, and the hanging basket is prevented from overturning in construction.
To complete the fixation and the release between the hanging basket and the beam body, the traditional construction method is to press down each anchoring rib in 4 hanging basket anchoring ribs one by one, and 2 jacks are adopted to be matched with the shoulder-pole beam for construction when each anchoring rib is pressed down. Firstly, sleeving a carrying pole beam into the upper end of a basket anchoring rib, fastening the carrying pole beam by using a bolt above the carrying pole beam to prevent the carrying pole beam from moving upwards in the process of pressing down, then respectively arranging a jack between the carrying pole beam and a basket rear anchor on two sides of the pressed basket anchoring rib, starting the jacks to drive the basket anchoring rib to press down the basket rear anchor by means of the limiting counter-force of the carrying pole beam, screwing a fixing bolt after the lower end of the basket anchoring rib reaches a specified position, completing the anchoring of one basket anchoring rib, and circularly finishing the rear anchoring work one by one. The shortcoming of construction like this lies in that the operation is complicated, and operating time is long, needs many people cooperation side to accomplish, leads to the low cost of labor of the low cost of construction efficiency, and concentrates the atress when single string basket anchor muscle pushes down, and the operation danger coefficient is big, has construction potential safety hazard.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a hang basket rear anchor auxiliary device, setting method and application that cantilever beam was pour and was used, solved among the prior art hang basket and the roof beam body between the fixed construction process that removes, the operation is complicated, operating time is long, and single string basket anchor muscle concentrates the atress when pushing down, and the operation danger coefficient is big, has the problem of construction potential safety hazard.
The invention adopts the following technical scheme for solving the technical problems:
the utility model provides a cantilever beam pours anchor auxiliary device behind hanging basket of usefulness, includes stock, jack, anchor box, connecting sleeve, and wherein, the anchor box welds in the anchor beam tip behind hanging the basket, and the through-hole is seted up to the upper and lower surface of anchor box, sets up the jack in the anchor box, and the stock passes anchor box, jack, and the lower extreme passes through connecting sleeve and is connected with bridge floor concrete embedded screw steel, and the upper end is fixed on the jack.
The upper part of the jack is provided with a backing plate, the backing plate is provided with a through hole corresponding to the anchor box, the backing plate is provided with a connecting sleeve, the anchor rod penetrates through the jack, and the upper part is anchored by the connecting sleeve.
The anchor rod is made of deformed steel.
The method for setting the auxiliary device for anchoring behind the hanging basket for pouring the cantilever beam comprises the following steps:
step 3, installing a jack in the anchor box, and installing a base plate with a hole in the middle above the jack so that the hole of the base plate is superposed with the central lines of the holes of the jack and the anchor box;
and 4, penetrating the anchor rod through the anchor box, the base plate and the jack, fixing the lower end of the anchor rod on the embedded deformed steel bar through the connecting sleeve, and fixing the upper end of the anchor rod on the anchor rod through the sleeve.
The anchor box is formed by welding a transverse steel plate and a vertical steel plate.
The bridge deck concrete embedded screw steel is arranged on the lower portion of the traveling track and embedded according to the traveling distance of the hanging basket before the later section of concrete is poured.
The cantilever beam pouring method applying the auxiliary device for anchoring behind the cradle comprises the following steps:
step a, on the basis of precast concrete, installing a hanging basket, and anchoring the hanging basket by using the hanging basket rear anchoring auxiliary device of any one of claims 1 to 3;
step b, pouring concrete;
c, after the concrete pouring is finished, disassembling the connecting sleeve at the upper part of the jack, disassembling the lower connecting sleeve and the embedded deformed steel bar, and pulling out the anchor rod;
d, pre-burying deformed steel bars on the concrete foundation according to the traveling distance of the hanging basket;
step e, driving the hanging basket to walk until the hanging basket walks in place;
f, anchoring the rear basket anchoring auxiliary device, and then anchoring at the position of the anchoring point of the preset basket;
and g, repeatedly executing the steps b to f until the concrete pouring is finished.
After the hanging basket is in place, the hanging basket is pressed down by the aid of the stress of the jack, so that the anchor rod is in contact with the embedded deformed steel bars and is connected and fixed through the sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. the hanging basket and the beam body are integrally pressed down and integrally anchored during fixing and releasing construction, the danger that the anchoring finish rolling reinforcing steel bars are stressed to be broken when being anchored by a single bar is avoided, and construction safety is guaranteed.
2. The manufacturing cost is low, the operation is simple, the construction period is shortened, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a side elevational view of the anchoring of a pannier according to the present invention.
FIG. 2 is a front view of the cradle anchor of the present invention.
Fig. 3 is a side view of the application of the rear anchoring auxiliary device of the hanging basket of the invention.
Fig. 4 is an application elevation of the rear anchoring assistance device of the cradle of the present invention.
Wherein, the labels in the figure are: 1-hanging a basket rear anchor beam; 2-anchor rod; 3-connecting the sleeve; 4-a backing plate; 5-a jack; 6-an anchor box; 7-a walking track; 8-pre-burying deformed steel bars; 9-bridge deck concrete.
Detailed Description
The structure and operation of the present invention will be further described with reference to the accompanying drawings.
The utility model provides a cantilever beam pours anchor auxiliary device behind hanging basket of usefulness, includes stock, jack, anchor box, connecting sleeve, and wherein, the anchor box welds in the anchor beam tip behind hanging the basket, and the through-hole is seted up to the upper and lower surface of anchor box, sets up the jack in the anchor box, and the stock passes anchor box, jack, and the lower extreme passes through connecting sleeve and is connected with bridge floor concrete embedded screw steel, and the upper end is fixed on the jack.
The upper part of the jack is provided with a backing plate, the backing plate is provided with a through hole corresponding to the anchor box, the backing plate is provided with a connecting sleeve, the anchor rod penetrates through the jack, and the upper part is anchored by the connecting sleeve.
The anchor rod is made of deformed steel.
In a specific embodiment, as shown in figures 1 to 4,
this embodiment provides a hang anchor auxiliary device behind basket that cantilever beam was pour and is used, hang 1 afterbody of basket back anchor beam and transversely weld an anchor box 6, place jack 5 on the anchor box 6, put into stock 2 in the middle of the jack 5, 2 lower parts of stock are connected with pre-buried screw-thread steel 8, and the sleeve 3 is connected anchor 2 and pre-buried screw-thread steel 8 fixedly for the lower part. The upper part of the jack fixes the anchor rod 2 by a backing plate 4 and a sleeve 3.
In this embodiment, the anchor box 6 is formed by welding a horizontal steel plate and a vertical steel plate. The transverse steel plates are squares of 40cm x 3cm, the vertical steel plates are squares of 40cm x 3cm, the anchor boxes 6 are welded with the rear anchor beams of the hanging baskets, round holes with the diameter of 4.5cm are formed in the middles of the anchor boxes 6 and the base plates 4, the anchor boxes 6 are provided with jacks 5, anchor rods 2 with the diameter of 4cm are placed in the middles of the jacks, embedded thread steel 8 is arranged on the lower portions of the walking tracks, and the embedded thread steel 8 is embedded according to the walking distance of the hanging baskets before the latter section of concrete is poured. The lower portion of the anchor rod 2 is fixed with the embedded deformed steel bar 8 through the connecting sleeve 3, and the anchor rod 2 is fixed on the jack 5 through the backing plate 4 and the connecting sleeve 3 on the upper portion of the jack.
The method for arranging the auxiliary device for rear anchoring of the cradle for pouring the cantilever beam in the scheme comprises the following steps:
step 3, installing a jack in the anchor box, and installing a base plate with a hole in the middle above the jack so that the hole of the base plate is superposed with the central lines of the holes of the jack and the anchor box;
and 4, penetrating the anchor rod through the anchor box, the base plate and the jack, fixing the lower end of the anchor rod on the embedded deformed steel bar through the connecting sleeve, and fixing the upper end of the anchor rod on the anchor rod through the sleeve.
The anchor box is formed by welding a transverse steel plate and a vertical steel plate.
The bridge deck concrete embedded screw steel is arranged on the lower portion of the traveling track and embedded according to the traveling distance of the hanging basket before the later section of concrete is poured.
The cantilever beam pouring method applying the auxiliary device for anchoring behind the cradle comprises the following steps:
step a, on the basis of precast concrete, installing a hanging basket, and anchoring the hanging basket by using the hanging basket rear anchoring auxiliary device of any one of claims 1 to 3;
step b, pouring concrete;
c, after the concrete pouring is finished, disassembling the connecting sleeve at the upper part of the jack, disassembling the lower connecting sleeve and the embedded deformed steel bar, and pulling out the anchor rod;
d, pre-burying deformed steel bars on the concrete foundation according to the traveling distance of the hanging basket;
step e, driving the hanging basket to walk until the hanging basket walks in place;
f, anchoring the rear basket anchoring auxiliary device, and then anchoring at the position of the anchoring point of the preset basket;
and g, repeatedly executing the steps b to f until the concrete pouring is finished.
After the hanging basket is in place, the hanging basket is pressed down by the aid of the stress of the jack, so that the anchor rod is in contact with the embedded deformed steel bars and is connected and fixed through the sleeve.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110333220.6A CN113356085A (en) | 2021-03-29 | 2021-03-29 | Hanging basket rear anchoring auxiliary device for cantilever beam pouring, setting method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110333220.6A CN113356085A (en) | 2021-03-29 | 2021-03-29 | Hanging basket rear anchoring auxiliary device for cantilever beam pouring, setting method and application |
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| CN113356085A true CN113356085A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110333220.6A Pending CN113356085A (en) | 2021-03-29 | 2021-03-29 | Hanging basket rear anchoring auxiliary device for cantilever beam pouring, setting method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622491A (en) * | 2022-03-25 | 2022-06-14 | 中建三局集团有限公司 | Rear hanging basket anchor device capable of taking out concrete embedded screw and construction method thereof |
| CN115787513A (en) * | 2022-11-28 | 2023-03-14 | 中铁四局集团有限公司 | Continuous beam cantilever bridge fabrication machine walking device and walking method |
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| CN101672015A (en) * | 2009-08-27 | 2010-03-17 | 孙广喜 | Multi-anchor rod hydraulic anchor device |
| CN202047376U (en) * | 2011-05-05 | 2011-11-23 | 湖南中铁五新钢模有限责任公司 | Walking rail device for hanging basket forward shifting |
| CN202157273U (en) * | 2011-07-19 | 2012-03-07 | 中铁十一局集团第五工程有限公司 | Hanging basket separating type walking track structure |
| CN203891451U (en) * | 2014-06-19 | 2014-10-22 | 深圳市市政工程总公司 | Hanging basket finish-rolling deformed steel bar rear-anchoring embedded part |
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2021
- 2021-03-29 CN CN202110333220.6A patent/CN113356085A/en active Pending
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| CN202047376U (en) * | 2011-05-05 | 2011-11-23 | 湖南中铁五新钢模有限责任公司 | Walking rail device for hanging basket forward shifting |
| CN202157273U (en) * | 2011-07-19 | 2012-03-07 | 中铁十一局集团第五工程有限公司 | Hanging basket separating type walking track structure |
| CN105088967A (en) * | 2014-05-15 | 2015-11-25 | 朱兴土 | Program-controlled automatic lifting mechanism for bottom basket of hanging basket |
| CN203891451U (en) * | 2014-06-19 | 2014-10-22 | 深圳市市政工程总公司 | Hanging basket finish-rolling deformed steel bar rear-anchoring embedded part |
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Non-Patent Citations (1)
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| 赖引明;祝士光;许大垒;: "后锚点挂篮全液压连续行走系统设计", 公路交通科技(应用技术版), no. 04, 15 April 2018 (2018-04-15) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622491A (en) * | 2022-03-25 | 2022-06-14 | 中建三局集团有限公司 | Rear hanging basket anchor device capable of taking out concrete embedded screw and construction method thereof |
| CN115787513A (en) * | 2022-11-28 | 2023-03-14 | 中铁四局集团有限公司 | Continuous beam cantilever bridge fabrication machine walking device and walking method |
| CN115787513B (en) * | 2022-11-28 | 2023-10-13 | 中铁四局集团有限公司 | Running device and running method of continuous beam cantilever bridge fabrication machine |
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