CN109235284A - A kind of construction equipment and method of no hoist cable beam section - Google Patents
A kind of construction equipment and method of no hoist cable beam section Download PDFInfo
- Publication number
- CN109235284A CN109235284A CN201811453307.1A CN201811453307A CN109235284A CN 109235284 A CN109235284 A CN 109235284A CN 201811453307 A CN201811453307 A CN 201811453307A CN 109235284 A CN109235284 A CN 109235284A
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- jack
- supporting platform
- platform seat
- steel strand
- strand wires
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/02—Suspension bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides the construction equipments and method of a kind of no hoist cable beam section, construction equipment includes interim cord clip, sling cable, sling cable supporting platform seat, jack, jack supporting platform seat, steel strand wires, interim cord clip is fixed on main push-towing rope, sling cable and sling cable supporting platform seat are fixed on interim cord clip after forming a close ring by sling cable, jack supporting platform seat is set in sling cable supporting platform seat, and jack is set in jack supporting platform seat；Steel strand wires upper end is suspended on main push-towing rope, and steel strand wires lower end passes through jack, jack supporting platform seat is fixed, and steel strand wires lower end is for connecting stiff girder.The present invention is not needed using large-scale equipment, is influenced by external environment small, installs simple and fast, and good economy performance, large carrying capacity.It is simple and clear, it is easy to use, to ensuring construction safety, accelerate construction progress with remarkable result, helpful reference can be provided for similar construction.
Description
Technical field
The invention belongs to no hoist cable beam section technical field of construction, and in particular to a kind of construction equipment of no hoist cable beam section and side
Method.
Background technique
Suspension bridge is paid attention to its Great span ability by builder, and the work across rivers, straits, valley is widely used in
Cheng Zhong.Due to the distinctive structure of suspension bridge, there is the beam section without hoist cable near Sarasota.In erection process, no hoist cable beam section
Temporary support is needed, its absolute altitude needs to adjust to meet line type control requirement after the completion of erection.
Currently, the known common method for setting up whole segment stiff girder at the suspension bridge shoal position across rivers has trestle
Method sets up the method rail rope sliding method of whole segment stiff girder in the suspension bridge gamut across valley, and deck unit erection gantry loads
Walking needs the problem of homework also very big.Trestle method needs two rows of support stakes and two rows that can bear what stiff girder slided above it
It is very big needed for beam, steel and equipment, if meeting the high situation of riverbed basement rock intensity, the installation of stake is supported to be difficult to handle.Rail rope is sliding
Shifting method can effectively solve the installation question of both the above bridge type stiff girder, but valuableness, and girder segment of putting more energy into are handed in rail rope and anchoring
When heavier, beam car dipping and heaving is bigger.
Summary of the invention
The purpose of the present invention is to provide a kind of construction equipments of no hoist cable beam section, meet the construction need without hoist cable beam section
It asks.
It is another object of the present invention to provide a kind of construction methods of no hoist cable beam section.
Technical solution provided by the invention is as follows:
A kind of construction equipment of no hoist cable beam section, including it is interim cord clip, sling cable, sling cable supporting platform seat, very heavy
Top, jack supporting platform seat, steel strand wires, the interim cord clip are fixed on main push-towing rope, the sling cable and sling cable
Supporting platform seat is fixed on interim cord clip after forming a close ring by sling cable, and the jack supporting platform seat is set to
In sling cable supporting platform seat, the jack is set in jack supporting platform seat；
The steel strand wires upper end is suspended on main push-towing rope, and the steel strand wires lower end passes through jack, jack supporting platform seat is fixed, institute
Steel strand wires lower end is stated for connecting stiff girder.
The steel strand wires are fixed by anchorage one and anchorage two with jack, and the anchorage one and anchorage two are respectively arranged on thousand
The top on jin top and the bottom end of jack supporting platform seat.
The interim cord clip is set on main push-towing rope, is fixed on main push-towing rope by interim cord clip fastening bolt.
The sling cable supporting platform seat is fixed on sling cable by fastening pedestal fastening bolt.
The interim cord clip includes pedestal, pressing plate and cushion block, and the pedestal is fixedly connected with pressing plate, and the cushion block is set to base
Between seat and pressing plate.
A kind of construction method of no hoist cable beam section, using the construction equipment of no hoist cable beam section, including step 1) stiff girder
The Pass line adjustment of temporary support and step 2 stiff girder.
Stiff girder is connect with steel strand wires lower end, and steel strand wires are anchored by anchorage one and anchorage two and jack, and realization is put more energy into
The temporary support of beam.
By the load or unload of jack, steel strand wires are driven upward or downward, by the drive upward or downward of steel strand wires
Stiff girder upward or downward, realizes the Pass line adjustment of stiff girder.
In the construction process, jack supporting platform seat bears the load of jack, and sling cable supporting platform seat bears thousand
Load, is transferred on interim cord clip by the load that jin top support pedestal transmits by rope wirerope.
The beneficial effects of the present invention are:
The construction equipment and method of this no hoist cable beam section provided by the invention, it is simple and clear, it is easy to use, pacify to ensuring to construct
Entirely, it accelerates construction progress with remarkable result, helpful reference can be provided for similar construction.
It does not need using large-scale equipment, is influenced by external environment small, simple and fast, and good economy performance, carrying are installed
Ability is big.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is optimal crosssection figure of the invention；
Fig. 2 is the facade layout drawing of Fig. 1.
In figure: 1, interim cord clip；2, main push-towing rope；3, interim cord clip fastening bolt；4, anchorage one；5, sling cable；6, thousand
Jin top；7, jack supporting platform seat；8, anchorage two；9, sling cable supporting platform seat；10, steel strand wires；11, stiff girder；12, platform
Seat fastening bolt.
Specific embodiment
Embodiment 1:
In order to meet the construction demand of no hoist cable beam section, a kind of construction equipment of no hoist cable beam section is present embodiments provided, including
Interim cord clip 1, sling cable 5, sling cable supporting platform seat 9, jack 6, jack supporting platform seat 7, steel strand wires 10, institute
It states interim cord clip 1 to be fixed on main push-towing rope 2, after the sling cable 5 and one close ring of formation of sling cable supporting platform seat 9
It is fixed on interim cord clip 1 by sling cable 5, the jack supporting platform seat 7 is set to sling cable supporting platform seat 9
On, the jack 6 is set in jack supporting platform seat 7；
10 upper end of steel strand wires is suspended on main push-towing rope 2, and 10 lower end of steel strand wires passes through jack 6, jack supporting platform seat 7
Fixed, 10 lower end of steel strand wires is for connecting stiff girder 11.
When construction, interim cord clip 1 is fixed on main push-towing rope 2, and sling cable 5 is fixed on interim cord clip 1；Sling cable
5 are combined into the ring of a closure by sling cable supporting platform seat 9, and provide support force for jack supporting platform seat 7；It is very heavy
Top support pedestal 7 is supported in sling cable supporting platform seat 9, and jack 6 is supported in jack supporting platform seat 7, steel strand wires
10 pass through jack 6, jack supporting platform seat 7 is connected with stiff girder 11；Jack 6 anchors steel strand wires 10, plays temporary support
The effect of stiff girder 11；When needing to carry out Pass line adjustment, 11 absolute altitude of stiff girder is carried out by the load or unload of jack 6
Adjustment is to meet line type control requirement.
Embodiment 2:
On the basis of embodiment 1, a kind of construction equipment of no hoist cable beam section is present embodiments provided, the steel strand wires 10 pass through
Anchorage 1 and anchorage 28 and jack 6 are fixed, and the anchorage 1 and anchorage 28 are respectively arranged on the top of jack 6 and very heavy
The bottom end of top support pedestal 7.
The interim cord clip 1 is set on main push-towing rope 2, is fixed on main push-towing rope 2 by interim cord clip fastening bolt 3.
The sling cable supporting platform seat 9 is fixed on sling cable 5 by fastening pedestal fastening bolt 12.
The interim cord clip 1 includes pedestal, pressing plate and cushion block, and the pedestal is fixedly connected with pressing plate, and the cushion block is set to
Between pedestal and pressing plate.In the construction process, cushion block can prevent interim cord clip 1 from sliding on main push-towing rope 2.
The construction equipment of this no hoist cable beam section provided in this embodiment, structure is simple, easy to use, pacifies to ensuring to construct
Entirely, it accelerates construction progress with remarkable result, helpful reference can be provided for similar construction.
Embodiment 3:
On the basis of embodiment 2, a kind of construction equipment of hoist cable beam section as shown in Figure 1 and Figure 2 is present embodiments provided, is wrapped
Include interim cord clip 1, main push-towing rope 2, interim cord clip fastening bolt 3, anchorage 1, sling cable 5, jack 6, jack supporting table
Seat 7, anchorage 28, sling cable supporting platform seat 9, steel strand wires 10, stiff girder 11, pedestal fastening bolt 12.
Stiff girder 11 is suspended on main push-towing rope 2 by steel strand wires 10.Steel strand wires 10 are fixed on by anchorage 1 and anchorage 28
On jack 6, by the load or unload of jack 6, drive steel strand wires 10 upward or downward, from the upward of steel strand wires 10 or to
Upward or downward, the adjustment of the absolute altitude of stiff girder 11 may be implemented in lower drive stiff girder 11.
Jack 6 is supported in jack supporting platform seat 7, bears the load of jack 6, and jack supporting platform seat 7 supports
In sling cable supporting platform seat 9, sling cable supporting platform seat 9 bears the load that jack supporting platform seat 7 transmits.Hoist cable
Wirerope supporting platform seat 9 is fixed on sling cable 5 by fastening pedestal fastening bolt 12, and the ring for forming a closure is solid
It is scheduled on interim cord clip 1, the load that the jack supporting platform seat 7 in sling cable supporting platform seat 9 is transmitted passes through hoist cable steel
Cord 5 is transferred on interim cord clip 1.Interim cord clip 1 is fixed on main push-towing rope 2 by interim cord clip fastening bolt 3, work progress
In, interim cord clip fastening bolt 3 is fastened in time, prevent interim cord clip 1 from sliding on main push-towing rope 2.
As shown in Figure 1, two sets of construction equipments is needed to be fixed on main push-towing rope 2, temporary support and absolute altitude are carried out to stiff girder 11
Adjustment.
Embodiment 4:
On the basis of embodiment 2, a kind of construction method of no hoist cable beam section is present embodiments provided, no hoist cable beam section is used
Construction equipment, the Pass line adjustment of temporary support and step 2 stiff girder 11 including step 1) stiff girder 11.
Interim cord clip 1 is fixed on main push-towing rope 2 by interim cord clip fastening bolt 3, and sling cable 5 is fixed on interim cord clip
On 1；Sling cable 5 is combined into the ring of a closure by sling cable supporting platform seat 9 and pedestal anchor bolt, and is thousand
Jin top support pedestal 7 provides support force；Jack supporting platform seat 7 is supported in sling cable supporting platform seat 9, and 6, jack
Support is in jack supporting platform seat 7；Steel strand wires 10 pass through anchorage 1, jack 6, anchorage 28 and are connected with stiff girder 11；It is very heavy
Top 6 anchors steel strand wires 10 by anchorage 1 and anchorage 28, plays the role of temporary support stiff girder 11；It needs to carry out absolute altitude tune
When whole, the adjustment of 11 absolute altitude of stiff girder is carried out by the load or unload of jack 6.This method simple structure, it is easy to operate, it can
Helpful reference is provided for the construction of similar bridge.
Embodiment 5:
On the basis of embodiment 4, a kind of construction method of no hoist cable beam section, stiff girder 11 and steel strand wires are present embodiments provided
The connection of 10 lower ends, steel strand wires 10 are anchored by anchorage 1 and anchorage 28 and jack 6, realize the temporary support of stiff girder 11.
By the load or unload of jack 6, steel strand wires 10 are driven upward or downward, upward or downward by steel strand wires 10
It drives stiff girder 11 upward or downward, realizes the Pass line adjustment of stiff girder 11 to meet line type control requirement.
Before construction, interim cord clip 1 is fixed on main push-towing rope 2 by interim cord clip fastening bolt 3, in work progress, and
When fasten interim cord clip fastening bolt 3, prevent interim cord clip 1 from sliding on main push-towing rope 2.
Wherein, the interim cord clip 1 includes pedestal, pressing plate and cushion block, and the pedestal is fixedly connected with pressing plate, the cushion block
Between pedestal and pressing plate.In the construction process, cushion block can further prevent interim cord clip 1 to slide on main push-towing rope 2.Cushion block
Longitudinal cross-section be wedge shape, one large one small, transversal cross-section is in a ring.Cushion block is relatively moved and the extruding force that generates,
The crush resistance prevents to continue to slide between interim cord clip 1 and main push-towing rope 2.
In the construction process, jack supporting platform seat 7 bears the load of jack 6, and sling cable supporting platform seat 9 is born
Load is transferred on interim cord clip 1 by the load that jack supporting platform seat 7 transmits by rope wirerope.
The construction method of this no hoist cable beam section provided by the invention, support and Pass line adjustment including no hoist cable beam section,
It does not need to be influenced small, simple and fast, easy to operate, the construction safety of installation by external environment using large-scale equipment.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.The component that embodiment does not describe in detail
With the well-known components and common structure or conventional means of the structure category industry, do not describe one by one here.
Claims (9)
1. a kind of construction equipment of no hoist cable beam section, it is characterised in that: including interim cord clip (1), sling cable (5), hoist cable
Wirerope supporting platform seat (9), jack (6), jack supporting platform seat (7), steel strand wires (10), the interim cord clip (1) are fixed
On main push-towing rope (2), pass through hoist cable after the sling cable (5) and sling cable supporting platform seat (9) one close ring of formation
Wirerope (5) is fixed on interim cord clip (1), and the jack supporting platform seat (7) is set to sling cable supporting platform seat (9)
On, the jack (6) is set on jack supporting platform seat (7)；
Steel strand wires (10) upper end is suspended on main push-towing rope (2), and steel strand wires (10) lower end passes through jack (6), jack
Supporting platform seat (7) is fixed, and steel strand wires (10) lower end is for connecting stiff girder (11).
2. a kind of construction equipment of no hoist cable beam section according to claim 1, it is characterised in that: the steel strand wires (10) are logical
It crosses anchorage one (4) and anchorage two (8) and jack (6) is fixed, the anchorage one (4) and anchorage two (8) are respectively arranged on jack
(6) bottom end on top and jack supporting platform seat (7).
3. a kind of construction equipment of no hoist cable beam section according to claim 1, it is characterised in that: the interim cord clip (1)
It is set on main push-towing rope (2), is fixed on main push-towing rope (2) by interim cord clip fastening bolt (3).
4. a kind of construction equipment of no hoist cable beam section according to claim 1, it is characterised in that: the sling cable branch
Support pedestal (9) is fixed on sling cable (5) by fastening pedestal fastening bolt (12).
5. a kind of construction equipment of no hoist cable beam section according to claim 1, it is characterised in that: the interim cord clip (1)
Including pedestal, pressing plate and cushion block, the pedestal is fixedly connected with pressing plate, and the cushion block is set between pedestal and pressing plate.
6. a kind of construction method of no hoist cable beam section, uses the construction equipment of no hoist cable beam section as claimed in claim 2, feature
It is: the Pass line adjustment of temporary support and step 2 stiff girder (11) including step 1) stiff girder (11).
7. a kind of construction method of no hoist cable beam section according to claim 6, it is characterised in that: stiff girder in step 1)
(11) it is connect with steel strand wires (10) lower end, steel strand wires (10) are anchored by anchorage one (4) and anchorage two (8) and jack (6), real
The temporary support of existing stiff girder (11).
8. a kind of construction method of no hoist cable beam section according to claim 6, it is characterised in that: by very heavy in step 2
The load or unload of (6) is pushed up, steel strand wires (10) are driven upward or downward, by the drive stiff girder upward or downward of steel strand wires (10)
(11) upward or downward, the Pass line adjustment of stiff girder (11) is realized.
9. a kind of construction method of no hoist cable beam section according to claim 6, it is characterised in that: in the construction process, thousand
Jin top support pedestal (7) bears the load of jack (6), and sling cable supporting platform seat (9) bears jack supporting platform seat (7)
Load is transferred on interim cord clip (1) by the load transmitted by rope wirerope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453307.1A CN109235284A (en) | 2018-11-30 | 2018-11-30 | A kind of construction equipment and method of no hoist cable beam section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453307.1A CN109235284A (en) | 2018-11-30 | 2018-11-30 | A kind of construction equipment and method of no hoist cable beam section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235284A true CN109235284A (en) | 2019-01-18 |
Family
ID=65074368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811453307.1A Pending CN109235284A (en) | 2018-11-30 | 2018-11-30 | A kind of construction equipment and method of no hoist cable beam section |
Country Status (1)
| Country | Link |
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| CN (1) | CN109235284A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975110A (en) * | 2019-04-29 | 2019-07-05 | 中交二公局第五工程有限公司 | A kind of socket bearing capacity test method and device |
| CN110593112A (en) * | 2019-09-25 | 2019-12-20 | 中交二公局第五工程有限公司 | Suspension bridge hanging beam system and hanging beam process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446068A (en) * | 2008-12-25 | 2009-06-03 | 湖南路桥建设集团公司 | Method for erecting suspension bridge main girder by segmenting and jacking and adopted device for rolling and moving heavy objects |
| CN102071651A (en) * | 2010-12-15 | 2011-05-25 | 江苏法尔胜新日制铁缆索有限公司 | Sling replacement method for suspension bridge |
| US20130174361A1 (en) * | 2010-09-06 | 2013-07-11 | Shunquan Qin | Three-truss continuous steel truss girder-pushing device and arrangement method thereof |
| CN203174516U (en) * | 2013-04-16 | 2013-09-04 | 中交二公局第五工程有限公司 | Suspension bridge closure segment construction beam segment traction pre-deflection device |
| CN108625289A (en) * | 2018-04-24 | 2018-10-09 | 中铁大桥勘测设计院集团有限公司 | A kind of stringer and erection method suitable for stiffening girder of suspension bridge |
| CN209292900U (en) * | 2018-11-30 | 2019-08-23 | 中交二公局第五工程有限公司 | A kind of construction equipment of no hoist cable beam section |
-
2018
- 2018-11-30 CN CN201811453307.1A patent/CN109235284A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446068A (en) * | 2008-12-25 | 2009-06-03 | 湖南路桥建设集团公司 | Method for erecting suspension bridge main girder by segmenting and jacking and adopted device for rolling and moving heavy objects |
| US20130174361A1 (en) * | 2010-09-06 | 2013-07-11 | Shunquan Qin | Three-truss continuous steel truss girder-pushing device and arrangement method thereof |
| CN102071651A (en) * | 2010-12-15 | 2011-05-25 | 江苏法尔胜新日制铁缆索有限公司 | Sling replacement method for suspension bridge |
| CN203174516U (en) * | 2013-04-16 | 2013-09-04 | 中交二公局第五工程有限公司 | Suspension bridge closure segment construction beam segment traction pre-deflection device |
| CN108625289A (en) * | 2018-04-24 | 2018-10-09 | 中铁大桥勘测设计院集团有限公司 | A kind of stringer and erection method suitable for stiffening girder of suspension bridge |
| CN209292900U (en) * | 2018-11-30 | 2019-08-23 | 中交二公局第五工程有限公司 | A kind of construction equipment of no hoist cable beam section |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975110A (en) * | 2019-04-29 | 2019-07-05 | 中交二公局第五工程有限公司 | A kind of socket bearing capacity test method and device |
| CN109975110B (en) * | 2019-04-29 | 2024-05-03 | 中交二公局第五工程有限公司 | Method and device for detecting bearing capacity of cable joint |
| CN110593112A (en) * | 2019-09-25 | 2019-12-20 | 中交二公局第五工程有限公司 | Suspension bridge hanging beam system and hanging beam process |
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