CN109914270A - A kind of steel truss girder installation process is winded up channel dismountable safety protective device and its operating method - Google Patents
A kind of steel truss girder installation process is winded up channel dismountable safety protective device and its operating method Download PDFInfo
- Publication number
- CN109914270A CN109914270A CN201910343053.6A CN201910343053A CN109914270A CN 109914270 A CN109914270 A CN 109914270A CN 201910343053 A CN201910343053 A CN 201910343053A CN 109914270 A CN109914270 A CN 109914270A
- Authority
- CN
- China
- Prior art keywords
- steel
- channel
- truss girder
- protective device
- safety protective
- Prior art date
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 143
- 239000010959 steel Substances 0.000 title claims abstract description 143
- 230000001681 protective effect Effects 0.000 title claims abstract description 36
- 238000011900 installation process Methods 0.000 title claims abstract description 12
- 238000011017 operating method Methods 0.000 title claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
It winds up the dismountable safety protective device and its operating method in channel the invention discloses a kind of suitable steel truss girder installation process；It is divided into three channel steel, round steel and steel tube guardrail parts；The following steps are included: (1) dismountable safety protective device is processed when implementation；(2) dismountable safety protective device is installed；(3) dismountable safety protective device is removed.Implementation through the invention can satisfy the security protection in Longspan Bridge travel in high sky channel during hanging peace that girder is steel truss girder, using the more traditional safety device advantage of the present apparatus are as follows: 1. all components are prefabricated in advance, easy to assembly high-efficient；2. will not cause to damage to steel truss girder surface；3. device can be repeated, be recycled, at low cost, easy to operate to save manually.
Description
Technical field
The present invention relates to the Longspan Bridge that girder is steel truss girder, top boom channel security protects field during hanging peace,
More particularly to a kind of quick, lossless, inexpensive safety device and its operating method.
Background technique
Currently, setting safety protection facility forms longitudinal lead on the top boom for the Longspan Bridge that girder is steel truss girder
Road, usual way is need to be by Member Weldings such as guardrails in steel truss girder surface, and the high fever generated in welding process can be to steel truss girder
External coating and steel itself generate destruction, influence the intensity and durability of Steel truss structure.The present apparatus can avoid damage to completely
Steel truss girder realizes the installation of security protection rapidly and efficiently, and plays good security protection effect.
Summary of the invention
Therefore, in order to solve above-mentioned deficiency, it is detachable that the present invention provides a kind of steel truss girder installation process channel of winding up herein
Safety device；Reach girder be steel truss girder Longspan Bridge top boom vertical passage safety protection facility it is quick, it is lossless,
The purpose of low cost.
It winds up channel dismountable safety protective device the invention is realized in this way constructing a kind of steel truss girder installation process,
It is characterized by: dismountable safety protective device is divided into three channel steel, round steel and steel tube guardrail parts,
Channel steel carries out blanking according to the steel truss girder width that winds up, and cuts off the edge of a wing with steel truss girder intersection, avoids being mounted on
Step is formed on string to be influenced to pass through, while the channel steel for not cutting flange portions also functions to the effect of cross spacing, finally wears in round steel
It crosses position and bores preformed hole；
Round steel carries out blanking, both ends rolled thread according to top boom size, and curves it molding using bending machine；
Steel tube guardrail is directly welded by steel pipe, and skirting board uses sheet metal excision forming, while matching nut and gasket；
Round steel is up covered from steel truss girder lower part of winding up, and passes through the preformed hole on channel steel, is then installed gasket and nut and is tightened,
Steel tube guardrail in blocks is positioned again and is welded on nut shim, skirting board is finally welded in steel tube guardrail bottom, is formed logical
Road protection system.
A kind of steel truss girder installation process is winded up the dismountable safety protective and its operating method in channel；It is characterized in that；It presses
Implement according to such as under type, comprising the following steps:
Step 1: dismountable safety protective device processing；Dismountable safety protective device is divided into channel steel, round steel and steel tube guardrail three
A part, each component shift to an earlier date prefabricated processing；Channel steel carries out blanking according to the steel truss girder width that winds up, and cuts off and intersects with steel truss girder
The partial edge of a wing avoids being mounted on upper formation step influence passage of winding up, while the channel steel for not cutting flange portions also functions to transverse direction
The effect of limit finally passes through position in round steel and bores preformed hole；Round steel according to top boom size carry out blanking, both ends rolled thread, and
Molding is curved it using bending machine；It is directly welded into sheet of guardrail after the completion of steel pipe blanking, skirting board is cut using sheet metal
It is cut into type, while matching nut and gasket；
Step 2: dismountable safety protective device installation；It is before steel truss girder segment lifting, dismountable safety protective device is each
Component is assembled and is installed on steel truss girder segment top boom；The channel steel processed is placed on fixed position first, U-shaped
Round steel is up covered from steel truss girder lower part of winding up, and passes through the preformed hole on channel steel, is then installed gasket and nut and is tightened, then will
Steel tube guardrail in blocks is positioned and is welded on nut shim, and skirting board is finally welded in guardrail bottom, forms channel protection body
System；
Step 3: dismountable safety protective device is removed；To steel truss girder, all lifting is completed and top boom vertical passage no longer makes
With rear, each component is successively removed；Steel tube guardrail is cut off first, related skirting board is removed in flakes together, then unscrews nut,
Remove U-shaped round steel and channel steel.
The present invention has the advantage that winding up the removable of channel the invention discloses a kind of suitable for steel truss girder installation process
Unload safety device and its operating method；It is divided into three channel steel, round steel and steel tube guardrail parts；It include following step when implementation
Rapid: (1) dismountable safety protective device is processed；(2) dismountable safety protective device is installed；(3) dismountable safety protective device
It removes.Implementation through the invention can satisfy girder be steel truss girder Longspan Bridge hang peace during travel in high sky channel
Security protection, using the more traditional safety device advantage of the present apparatus are as follows: 1. all components are prefabricated in advance, easy to assembly
It is high-efficient；2. will not cause to damage to steel truss girder surface；3. device can be repeated, be recycled, at low cost, saving easy to operate
Manually.
Detailed description of the invention
Fig. 1 is dismountable safety protective device cross-sectional view；
Fig. 2 is dismountable safety protective device side view.
Specific embodiment
Below in conjunction with attached drawing 1- Fig. 2, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of steel truss girder installation process herein and winds up channel dismountable safety protective device by improving, such as
Shown in figure, dismountable safety protective device is divided into 3 three channel steel 1, round steel 2 and steel tube guardrail parts,
Channel steel 1 carries out blanking according to the width that winds up of steel truss girder 4, and cuts off the edge of a wing with 4 intersection of steel truss girder, avoids being mounted on
The upper formation step that winds up influences to pass through, while the channel steel for not cutting flange portions also functions to the effect of cross spacing, finally in round steel 2
Preformed hole is bored across position；
Round steel 2 carries out blanking, both ends rolled thread 5 according to top boom size, and curves it molding using bending machine；
Steel tube guardrail 3 is directly welded by steel pipe, and skirting board 6 uses sheet metal excision forming, while matching nut 7 and gasket
8；
Round steel 2 is up covered from the lower part of winding up of steel truss girder 4, and passes through the preformed hole on channel steel 1, then installs gasket 8 and nut 7 simultaneously
It tightens, then steel tube guardrail 3 in blocks is positioned and is welded on nut shim, skirting board 6 is finally welded in 3 bottom of steel tube guardrail
Portion forms channel protection system.
Steel truss girder installation process of the present invention is winded up the dismountable safety protective operating method in channel；As follows
Implement, comprising the following steps:
Step 1: dismountable safety protective device processing；Dismountable safety protective device is divided into channel steel, round steel and steel tube guardrail three
A part, each component shift to an earlier date prefabricated processing；Channel steel carries out blanking according to the steel truss girder width that winds up, and cuts off and intersects with steel truss girder
The partial edge of a wing avoids being mounted on upper formation step influence passage of winding up, while the channel steel for not cutting flange portions also functions to transverse direction
The effect of limit finally passes through position in round steel and bores preformed hole；Round steel according to top boom size carry out blanking, both ends rolled thread, and
Molding is curved it using bending machine；It is directly welded into sheet of guardrail after the completion of steel pipe blanking, skirting board is cut using sheet metal
It is cut into type, while matching nut and gasket；
Step 2: dismountable safety protective device installation；
Before steel truss girder segment lifting, each component of dismountable safety protective device is subjected to group on steel truss girder segment top boom
Dress and installation；The channel steel processed is placed on fixed position first, U-shaped round steel is up covered from steel truss girder lower part of winding up, and
Then preformed hole on channel steel is installed gasket and nut and is tightened, then steel tube guardrail in blocks is positioned and is welded in nut
On gasket, skirting board is finally welded in guardrail bottom, forms channel protection system；
Step 3: dismountable safety protective device is removed；To steel truss girder, all lifting is completed and top boom vertical passage no longer makes
With rear, each component is successively removed；Steel tube guardrail is cut off first, related skirting board is removed in flakes together, then unscrews nut,
Remove U-shaped round steel and channel steel.
It a kind of winds up the detachable safety in channel suitable for steel truss girder installation process it is an object of the present invention to provide herein
Protective device, reach girder be steel truss girder Longspan Bridge top boom vertical passage safety protection facility it is quick, lossless, low at
This purpose.
For the present invention compares conventional method, have the advantage that
1) present apparatus does not damage steel truss girder surface and coating.
2) present apparatus shifts to an earlier date prefabricated each component, and scene is assembled, high-efficient.
3) present apparatus dismounting also can guarantee each member integrity, reusable.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (2)
- The channel dismountable safety protective device 1. a kind of steel truss girder installation process is winded up, it is characterised in that:Dismountable safety protective device is divided into (3) three channel steel (1), round steel (2) and steel tube guardrail parts,Channel steel (1) according to steel truss girder (4) wind up width carry out blanking, and cut off with the edge of a wing of steel truss girder (4) intersection, avoid Being mounted on the upper formation step that winds up influences to pass through, while the channel steel for not cutting flange portions also functions to the effect of cross spacing, finally Position, which is passed through, in round steel (2) bores preformed hole；Round steel (2) carries out blanking, both ends rolled thread (5) according to top boom size, and curves it molding using bending machine；Steel tube guardrail (3) is directly welded by steel pipe, and skirting board (6) uses sheet metal excision forming, while matching nut (7) With gasket (8)；Round steel (2) is up covered from steel truss girder (4) lower part of winding up, and passes through the preformed hole on channel steel (1), then installs gasket (8) With nut (7) and tighten, then steel tube guardrail in blocks (3) are positioned and are welded on nut shim, finally weld skirting board (6) In steel tube guardrail (3) bottom, channel protection system is formed.
- 2. steel truss girder installation process is winded up the dismountable safety protective operating method in channel according to claim 1；Its feature It is；The following steps are included:Step 1: dismountable safety protective device processing；Dismountable safety protective device is divided into channel steel, round steel and steel tube guardrail three A part, each component shift to an earlier date prefabricated processing；Channel steel carries out blanking according to the steel truss girder width that winds up, and cuts off and intersects with steel truss girder The partial edge of a wing avoids being mounted on upper formation step influence passage of winding up, while the channel steel for not cutting flange portions also functions to transverse direction The effect of limit finally passes through position in round steel and bores preformed hole；Round steel according to top boom size carry out blanking, both ends rolled thread, and Molding is curved it using bending machine；It is directly welded into sheet of guardrail after the completion of steel pipe blanking, skirting board is cut using sheet metal It is cut into type, while matching nut and gasket；Step 2: dismountable safety protective device installation；Before steel truss girder segment lifting, each component of dismountable safety protective device is subjected to group on steel truss girder segment top boom Dress and installation；The channel steel processed is placed on fixed position first, U-shaped round steel is up covered from steel truss girder lower part of winding up, and Then preformed hole on channel steel is installed gasket and nut and is tightened, then steel tube guardrail in blocks is positioned and is welded in nut On gasket, skirting board is finally welded in guardrail bottom, forms channel protection system；Step 3: dismountable safety protective device is removed；To steel truss girder, all lifting is completed and top boom is longitudinalAfter channel does not use, each component is successively removed；Steel tube guardrail is cut off first, related skirting board is removed in flakes together, Then nut is unscrewed, removes U-shaped round steel and channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343053.6A CN109914270B (en) | 2019-04-26 | 2019-04-26 | Detachable safety protection device for steel truss girder installation process winding passage and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343053.6A CN109914270B (en) | 2019-04-26 | 2019-04-26 | Detachable safety protection device for steel truss girder installation process winding passage and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914270A true CN109914270A (en) | 2019-06-21 |
| CN109914270B CN109914270B (en) | 2023-12-15 |
Family
ID=66978694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910343053.6A Active CN109914270B (en) | 2019-04-26 | 2019-04-26 | Detachable safety protection device for steel truss girder installation process winding passage and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109914270B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1939145U (en) * | 1966-03-05 | 1966-05-26 | Rheinstahl Union Brueckenbau | Dismountable bridge with detachable footpath. |
| CN201710847U (en) * | 2010-07-14 | 2011-01-19 | 佛山市中辰钢结构有限公司 | Safety protection device |
| JP2014101642A (en) * | 2012-11-16 | 2014-06-05 | Jfe Engineering Corp | Installation method of safety balustrade for working |
| CN106499201A (en) * | 2016-10-14 | 2017-03-15 | 上海二十冶建设有限公司 | A kind of dismountable safety rope tool-type holding clamp and its using method |
| CN107313357A (en) * | 2017-08-30 | 2017-11-03 | 云南工程建设总承包公司 | A kind of bridge top construction safety protection column |
| CN107326814A (en) * | 2017-08-30 | 2017-11-07 | 云南工程建设总承包公司 | A kind of bridge bottom construction safety protection column |
| CN108979302A (en) * | 2018-07-20 | 2018-12-11 | 中交二航局第二工程有限公司 | Assembled protective fence |
| CN208517814U (en) * | 2018-06-26 | 2019-02-19 | 广东诚实建设工程设计有限公司 | A kind of detachable railing of overflow bridge |
| CN209836819U (en) * | 2019-04-26 | 2019-12-24 | 四川路桥华东建设有限责任公司 | Detachable safety protection device for upper chord channel in steel truss girder installation process |
-
2019
- 2019-04-26 CN CN201910343053.6A patent/CN109914270B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1939145U (en) * | 1966-03-05 | 1966-05-26 | Rheinstahl Union Brueckenbau | Dismountable bridge with detachable footpath. |
| CN201710847U (en) * | 2010-07-14 | 2011-01-19 | 佛山市中辰钢结构有限公司 | Safety protection device |
| JP2014101642A (en) * | 2012-11-16 | 2014-06-05 | Jfe Engineering Corp | Installation method of safety balustrade for working |
| CN106499201A (en) * | 2016-10-14 | 2017-03-15 | 上海二十冶建设有限公司 | A kind of dismountable safety rope tool-type holding clamp and its using method |
| CN107313357A (en) * | 2017-08-30 | 2017-11-03 | 云南工程建设总承包公司 | A kind of bridge top construction safety protection column |
| CN107326814A (en) * | 2017-08-30 | 2017-11-07 | 云南工程建设总承包公司 | A kind of bridge bottom construction safety protection column |
| CN208517814U (en) * | 2018-06-26 | 2019-02-19 | 广东诚实建设工程设计有限公司 | A kind of detachable railing of overflow bridge |
| CN108979302A (en) * | 2018-07-20 | 2018-12-11 | 中交二航局第二工程有限公司 | Assembled protective fence |
| CN209836819U (en) * | 2019-04-26 | 2019-12-24 | 四川路桥华东建设有限责任公司 | Detachable safety protection device for upper chord channel in steel truss girder installation process |
Non-Patent Citations (1)
| Title |
|---|
| 闵玉;张润泽;: "某高架桥墩纠偏及支座处治施工技术", 江西建材, no. 09 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109914270B (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2428357C2 (en) | Repair of aircraft fuselage damaged zone | |
| US4842663A (en) | Steam turbine blade anti-erosion shield and method of turbine blade repair | |
| CN109025459B (en) | Power transmission tower main material anticorrosion device with reinforcement function and anticorrosion method | |
| JP2006009412A (en) | Repair method and reinforcing method for steel plate floor | |
| US6390204B1 (en) | Compaction wheel for landfill compactors | |
| US8230569B2 (en) | Repair of case flange with bolt holes | |
| CN110480154A (en) | The welding method of laser assembly solder plate | |
| CN109914270A (en) | A kind of steel truss girder installation process is winded up channel dismountable safety protective device and its operating method | |
| CN106625347A (en) | Flat-bulb steel clamping tool for non-welding installation of ribbed plate and installation method of tool | |
| CN102179647A (en) | Reworking method of welding seams of aluminium-magnesium alloy pipeline | |
| CN202053008U (en) | Connection structure used for repairing an aluminum magnesium alloy pipeline weld seam | |
| CN202388112U (en) | Mounting device of arc striking and extinguishing plate | |
| EP1057577A2 (en) | Laser welding method for obtaining a seam surface suitable for the application of a corrosion-resistant surface protection system | |
| CN206625598U (en) | A kind of safety rope fixing device of reusable edible | |
| CA1046589A (en) | Method for removing brittleness and stresses from welded steel pipes | |
| CN209836819U (en) | Detachable safety protection device for upper chord channel in steel truss girder installation process | |
| CN209780304U (en) | Connecting device for connecting aerial work lifeline to column body | |
| CN216232819U (en) | Integrated lug of hull structure | |
| CN105507158B (en) | Auxiliary steel box beam inlaying blanking plate mounting device and steel box beam inlaying closure plate mounting method | |
| CN207791065U (en) | A kind of removable argon arc welding machine fixing device of ship | |
| US6442824B2 (en) | Compromise rail | |
| RU1796533C (en) | Method of repair of shipъs hull | |
| KR101557791B1 (en) | Method for joining to main plate with access hole | |
| DE60211471T2 (en) | welding mother | |
| CN105033542A (en) | Two-purpose tool for predeformation manufacture and orientation assembly of wind tower door frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |