CN105421255A - Simple device and method for dismounting Bailey beam support - Google Patents
Simple device and method for dismounting Bailey beam support Download PDFInfo
- Publication number
- CN105421255A CN105421255A CN201610005760.0A CN201610005760A CN105421255A CN 105421255 A CN105421255 A CN 105421255A CN 201610005760 A CN201610005760 A CN 201610005760A CN 105421255 A CN105421255 A CN 105421255A
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- China
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- bailey beam
- beam support
- pieces
- lateral adjustment
- upper bracket
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a simple device and method for dismounting a Bailey beam support. The device comprises an upper support, a fixing support, a left lateral adjusting support and a right lateral adjusting support, wherein the left lateral adjusting support and the right lateral adjusting support are connected through an adjusting screw to form a whole, and adjusting bolts are arranged on two sides of the adjusting screw. The upper support and the fixing support are machined to be in a shape of a T stage and are symmetrically arranged between the two lateral adjusting supports, the T stage of the upper support is big-end-up, and the T stage of the fixing support is big-end-down. The fit clearance between side faces of the T stages of the upper support and the fixing support and the two lateral adjusting supports is zero. The device is simple in structure, convenient and quick to operate and safe in use. The device has the advantages that the key technical problem of dismounting of a cast-in-place continuous beam Bailey beam support is effectively solved, the device is safer, quicker, more convenient and more reliable compared with dismounting through a hydraulic jack and a mounting sandbox, meanwhile the mounting and dismounting speed of the Bailey beam support can be improved, the construction cost is reduced, and the labor productivity is improved.
Description
Technical field
The present invention relates to a kind of easy device and the method for dismantling Bailey beam support, be mainly used in the cast-in-situ box girder that engineering Bailey truss is set up, because cast-in-situ box girder is after concreting completes, Bailey beam support and very close to each other between case beam and column, Bailey beam cannot be removed, Bailey beam support safety can be made by this device, fast, reposefully remove, avoid the shortcomings such as and installation hydraulic jack cost low by installation sandbox efficiency is in the past high, not steady.
Background technology
Along with the continuous increase of China's infrastructure construction scale, newly-increased highway, the construction of railway are increasing, newly-increased railway, highway bridge have and much all adopt scene to set up Bailey beam support cast-in-place concrete, in Bailey beam rack construction, dismounting Bailey beam support is the technological difficulties of Bailey beam construction always, the sandbox dismounting method before adopted and default hydraulic jack method, efficiency of construction is low, construction cost is high, and safety factor is low, has a strong impact on the construction period simultaneously.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of easy device and the method for dismantling Bailey beam support, apparatus structure is simple, convenient to operation, use safety, achieve the quick-detachment of Bailey beam, have updated the dismounting technique of Bailey beam, greatly reduce labor strength.
The technical solution adopted for the present invention to solve the technical problems is: a kind of easy device dismantling Bailey beam support, comprise upper bracket, fixed bearing and two pieces, left and right lateral adjustment bearing, wherein: two pieces, left and right adjustment bearing connects into entirety by adjusting screw(rod), and adjusting screw(rod) both sides are provided with adjusting bolt; Described upper bracket and fixed bearing are processed into catwalk shape, and be symmetricly set between two pieces of lateral adjustment bearings, the catwalk of upper bracket is up big and down small, and the catwalk of fixed bearing is up-small and down-big; Fit clearance between the side of upper bracket and fixed bearing catwalk and two pieces of lateral adjustment bearings is zero.
Further, described lateral adjustment bearing is processed into half catwalk shape.
Further, between described adjusting bolt and adjusting screw(rod) be internal and external screw thread matched in clearance; Further, described matched in clearance to be gap be zero cooperation.
Further, the catwalk height of described upper bracket and fixed bearing is 70mm to 100mm.
Present invention also offers a kind of simple and easy method dismantling Bailey beam support, comprise the steps:
Step one, two pieces, left and right adjustment bearing is connected into entirety by adjusting screw(rod) after be placed on fixed bearing, the catwalk side-fit gap making two pieces of lateral adjustment bearings and fixed bearing is zero; And then utilize adjusting bolt to carry out fastening from adjusting screw(rod) two ends to two pieces of lateral adjustment bearings;
Step 2, upper bracket to be placed between two pieces of lateral adjustment bearings, to make the fit clearance between the catwalk side of upper bracket and two pieces of lateral adjustment bearings be zero;
Step 3, fixed bearing is fixed in distribution beam;
Step 4, by Bailey beam support installing on upper bracket;
Step 5, after concrete casting completes, unclamp the adjusting bolt on lateral adjustment bearing both sides simultaneously, utilize Bailey beam support own wt pressure that upper bracket is moved down, thus two pieces of lateral adjustment bearings are moved down along the catwalk side of fixed bearing simultaneously, until Bailey beam support is separated completely with cast-in-situ concrete beam, till reaching when can dismantle Bailey beam support;
Step 6, take off Bailey beam support, then provision for disengagement removed and clear up, use in order to next time.
Further, when tightening or loosening adjusting bolt, need exert oneself balancedly to regulate, to ensure stress equalization, balance lifting simultaneously.
Compared with prior art, good effect of the present invention is: the key technical problem that have updated dismounting Bailey beam, can reach the object of dismounting Bailey beam quickly and easily, accelerate the programming of box girder construction simultaneously, reduce construction cost, improve labor productivity.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the front view of this provision for disengagement before dismounting Bailey beam;
Fig. 2 is the front view of this provision for disengagement after dismounting Bailey beam.
Detailed description of the invention
Dismantle an easy device for Bailey beam support, as depicted in figs. 1 and 2, comprising: upper bracket 2, lateral adjustment bearing 3, adjusting bolt 4, adjusting screw(rod) 5, fixed bearing 6, wherein:
The two pieces of lateral adjustment bearings 3 in left and right are connected with adjusting bolt 4 by adjusting screw(rod) 5, and wherein upper bracket 2 and fixed bearing 6 are between two pieces of lateral adjustment bearings 3, and wherein fixed bearing 6 is fixed in distribution beam 7.
Two pieces, described left and right adjustment bearing 3 connects into entirety by adjusting screw(rod) 5, then carries out fastening from two ends by adjusting bolt 4.Lateral adjustment bearing 3 is processed into half catwalk shape, is to reduce between lateral adjustment bearing 3 and upper bracket 2, and the force of sliding friction between lateral adjustment bearing 3 and fixed bearing 6, can prevent again upper bracket 2 from coming off in moving process simultaneously; Half catwalk shape of lateral adjustment bearing 3, can also make lateral adjustment bearing 3 slip down to when contacting with distribution beam 7 and be that face contacts, reduce the impact to distribution beam 7 simultaneously.
Described adjusting screw(rod) 5 must ensure that its tensile strength reaches requirement, and being distributed in the external screw thread on lateral adjustment bearing 3 both sides with coordinating of the internal thread of adjusting bolt 4 must be the matched in clearance of zero for gap.
Described upper bracket 2 and fixed bearing 6 are between two pieces of lateral adjustment bearings 3, upper bracket 2 and fixed bearing 6 are processed into catwalk shape, the catwalk plane of both guarantees can coordinate completely, upper bracket 2 and between fixed bearing 6 and lateral adjustment bearing 3 fit clearance be zero.
Described fixed bearing 6 is mobile in order to prevent, and be separately fixed at distribution beam 7 on request, fixed bearing 6 plays the effect of location, ensures to divide equally Bailey beam support 1.
This adjusting device common iron forms through cutting, material is easy to get, technique is simple, with low cost, can be easy to use, simultaneously can also reclaiming, economize on resources.
This adjusting device according to the requirement that will be elevated, can process the main component of different size.The catwalk height of upper bracket 2 and fixed bearing 6 is 70mm to 100mm, makes the maximum moving distance up and down of this covering device to reach 120mm, can meet the dismounting of all kinds of Bailey beam support.
This device mainly comprises: upper bracket, lateral adjustment bearing, adjusting bolt, adjusting screw(rod), fixed bearing, wherein lateral adjustment bearing is connected with adjusting bolt by adjusting screw(rod), upper bracket and fixed bearing are between lateral adjustment bearing, fixed bearing is fixed in distribution beam, under Bailey beam poppet pressure, by regulating the adjusting bolt at adjusting screw(rod) two, upper bracket is moved up and down, simultaneously, lateral adjustment bearing moves up and down itself, thus Bailey beam is moved up and down, reach the object of dismounting Bailey beam support.The stable of support can be guaranteed by this device dismounting Bailey beam support, in order to the convenience dismantled, full hall frame need not be set at Bailey beam frame upper, simplify operation, effectively improve the progress of construction, greatly reduce the workload of constructor, improve operating efficiency, save cost simultaneously.
This apparatus structure is simple, convenient to operation, use safety.Efficiently solve the key technical problem of cast-in-situ continuous beam Bailey beam support dismounting, pass through hydraulic jack than ever, installation sandbox is safer, faster, more reliable, the peace simultaneously accelerating Bailey beam support tears speed open, reduces construction cost, improves labor productivity.
Present invention also offers a kind of simple and easy method dismantling Bailey beam support, comprise the steps:
Step one, two pieces, left and right adjustment bearing 3 is connected into entirety by adjusting screw(rod) 5 after be placed on fixed bearing 6, the catwalk side-fit gap making the downside of half catwalk of two pieces of lateral adjustment bearings 3 and fixed bearing 6 is zero; And then adjusting bolt 4 is carried out fastening from adjusting screw(rod) 5 two ends to two pieces of lateral adjustment bearings 3;
Step 2, upper bracket 2 to be placed between two pieces of lateral adjustment bearings 3, to make the upper side fit clearance of the catwalk side of upper bracket 2 and half catwalk of two pieces of lateral adjustment bearings 3 be zero;
Step 3, to be fixed on request in distribution beam 7 by fixed bearing 6, and to guarantee that provision for disengagement can play fastening effect without damage, adjusting bolt 4, adjusting screw(rod) 5 is without bending and damage phenomenon, as being found, must change immediately;
Step 4, Bailey beam support 1 is arranged on the upper bracket 2 of provision for disengagement;
Step 5, after concrete casting completes, unclamp the adjusting bolt 4 on lateral adjustment bearing 3 both sides simultaneously, utilize Bailey beam support 1 own wt pressure that upper bracket 2 is moved down, thus two pieces of lateral adjustment bearings 3 are moved down along the catwalk side of fixed bearing 6 simultaneously, until Bailey beam support 1 is separated completely with cast-in-situ concrete beam, till reaching when can dismantle Bailey beam support 1.
When unclamping adjusting bolt 4, till only need guaranteeing that Bailey beam support 1 and cast-in-situ concrete beam are separated to detachable Bailey beam support 1 completely, need not Song get Tai Kai, reach the degree that upper bracket 2 and fixed bearing 6 are overlapped.
When tightening or loosening adjusting bolt 4, need exert oneself balancedly to regulate the adjusting bolt 4 on lateral adjustment bearing 3 both sides, to ensure stress equalization, balance lifting simultaneously.
Step 6, take off Bailey beam support 1, then provision for disengagement removed and clear up, use in order to next time.
Claims (7)
1. dismantle the easy device of Bailey beam support for one kind, it is characterized in that: comprise upper bracket, fixed bearing and two pieces, left and right lateral adjustment bearing, wherein: two pieces, left and right adjustment bearing connects into entirety by adjusting screw(rod), and adjusting screw(rod) both sides are provided with adjusting bolt; Described upper bracket and fixed bearing are processed into catwalk shape, and be symmetricly set between two pieces of lateral adjustment bearings, the catwalk of upper bracket is up big and down small, and the catwalk of fixed bearing is up-small and down-big; Fit clearance between the side of upper bracket and fixed bearing catwalk and two pieces of lateral adjustment bearings is zero.
2. a kind of easy device dismantling Bailey beam support according to claim 1, is characterized in that: described lateral adjustment bearing is processed into half catwalk shape.
3. a kind of easy device dismantling Bailey beam support according to claim 1, is characterized in that: be internal and external screw thread matched in clearance between described adjusting bolt and adjusting screw(rod).
4. a kind of easy device dismantling Bailey beam support according to claim 3, is characterized in that: described matched in clearance to be gap be zero cooperation.
5. a kind of easy device dismantling Bailey beam support according to claim 1, is characterized in that: the catwalk height of described upper bracket and fixed bearing is 70mm to 100mm.
6. dismantle a simple and easy method for Bailey beam support, it is characterized in that: comprise the steps:
Step one, two pieces, left and right adjustment bearing is connected into entirety by adjusting screw(rod) after be placed on fixed bearing, the catwalk side-fit gap making two pieces of lateral adjustment bearings and fixed bearing is zero; And then utilize adjusting bolt to carry out fastening from adjusting screw(rod) two ends to two pieces of lateral adjustment bearings;
Step 2, upper bracket to be placed between two pieces of lateral adjustment bearings, to make the fit clearance between the catwalk side of upper bracket and two pieces of lateral adjustment bearings be zero;
Step 3, fixed bearing is fixed in distribution beam;
Step 4, by Bailey beam support installing on upper bracket;
Step 5, after concrete casting completes, unclamp the adjusting bolt on lateral adjustment bearing both sides simultaneously, utilize Bailey beam support own wt pressure that upper bracket is moved down, thus two pieces of lateral adjustment bearings are moved down along the catwalk side of fixed bearing simultaneously, until Bailey beam support is separated completely with cast-in-situ concrete beam, till reaching when can dismantle Bailey beam support;
Step 6, take off Bailey beam support, then provision for disengagement removed and clear up, use in order to next time.
7. a kind of simple and easy method dismantling Bailey beam support according to claim 6, is characterized in that: when tightening or loosening adjusting bolt, need exert oneself balancedly to regulate, to ensure stress equalization, balance lifting simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005760.0A CN105421255B (en) | 2016-01-07 | 2016-01-07 | A kind of easy device of dismounting Bailey beam support and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005760.0A CN105421255B (en) | 2016-01-07 | 2016-01-07 | A kind of easy device of dismounting Bailey beam support and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105421255A true CN105421255A (en) | 2016-03-23 |
| CN105421255B CN105421255B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610005760.0A Active CN105421255B (en) | 2016-01-07 | 2016-01-07 | A kind of easy device of dismounting Bailey beam support and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287098A (en) * | 2020-02-14 | 2020-06-16 | 中建八局第四建设有限公司 | Device for dismantling Bailey beam and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002097608A (en) * | 2000-09-26 | 2002-04-02 | Shimizu Corp | Method of remounting railway bridge |
| CN202644416U (en) * | 2011-12-29 | 2013-01-02 | 中国建筑第四工程局有限公司 | A simple lifting device for dismounting a bailey beam |
| CN103352425A (en) * | 2013-06-19 | 2013-10-16 | 北京市政路桥管理养护集团有限公司 | Accurate positioning method and device for integral carrying of bridge |
| JP2013213360A (en) * | 2012-04-03 | 2013-10-17 | Komaihaltec Inc | Bridge girder installation/removal apparatus and method of newly installing/removing bridge girder using the same |
| CN205295972U (en) * | 2016-01-07 | 2016-06-08 | 中铁八局集团第三工程有限公司 | Dismantle simple and easy device of beiLei beam support |
-
2016
- 2016-01-07 CN CN201610005760.0A patent/CN105421255B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002097608A (en) * | 2000-09-26 | 2002-04-02 | Shimizu Corp | Method of remounting railway bridge |
| CN202644416U (en) * | 2011-12-29 | 2013-01-02 | 中国建筑第四工程局有限公司 | A simple lifting device for dismounting a bailey beam |
| JP2013213360A (en) * | 2012-04-03 | 2013-10-17 | Komaihaltec Inc | Bridge girder installation/removal apparatus and method of newly installing/removing bridge girder using the same |
| CN103352425A (en) * | 2013-06-19 | 2013-10-16 | 北京市政路桥管理养护集团有限公司 | Accurate positioning method and device for integral carrying of bridge |
| CN205295972U (en) * | 2016-01-07 | 2016-06-08 | 中铁八局集团第三工程有限公司 | Dismantle simple and easy device of beiLei beam support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287098A (en) * | 2020-02-14 | 2020-06-16 | 中建八局第四建设有限公司 | Device for dismantling Bailey beam and construction method thereof |
| CN111287098B (en) * | 2020-02-14 | 2021-05-25 | 中建八局第四建设有限公司 | Device for dismantling Bailey beam and construction method thereof |
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| Publication number | Publication date |
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| CN105421255B (en) | 2017-03-15 |
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