CN102619228B - Safety suspension device for open cut foundation pit and fixing method - Google Patents
Safety suspension device for open cut foundation pit and fixing method Download PDFInfo
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- CN102619228B CN102619228B CN201210002782.3A CN201210002782A CN102619228B CN 102619228 B CN102619228 B CN 102619228B CN 201210002782 A CN201210002782 A CN 201210002782A CN 102619228 B CN102619228 B CN 102619228B
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- 239000000725 suspension Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 159
- 239000010959 steel Substances 0.000 claims abstract description 159
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 244000089409 Erythrina poeppigiana Species 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a safety suspension device for an open cut foundation pit and a fixing method. A structure consists of longitudinal steel ropes and transverse steel wire ropes, the longitudinal steel wire ropes are fixed onto a fender post, the transverse steel wire ropes are connected with the longitudinal steel wire ropes, and accordingly the suspension device for guaranteeing safety of steel brace constructors during steel brace construction is formed. The safety suspension device is combined with the fender post and is simple and convenient in operation, a safety suspension system in a construction process is realized, a gap of the suspension safety system in existing steel brace construction for a foundation pit is filled, safety of the constructors is guaranteed, and the safety suspension device can be widely applied to foundation pit engineering in the future.
Description
Technical field
The present invention relates to the safe suspension arrangement of a kind of open-cut foundation ditch and fixing means, belong to engineering safety safeguards technique field.
Background technology
Current open-cut foundation ditch does not still have relevant suspension system, just adopt top fixed point to offer constructor and hang safety belt, quite inconvenient in work progress, and in work progress, restrict personnel's walking, after steel support has been set up, because steel supports, not having reliable suspender to cause steel in the direct walking of workman to disassemble on supporting, is the operation that there is no safety guarantee.
Summary of the invention
For this situation, the invention discloses the safe suspension arrangement of a kind of open-cut foundation ditch and fixing means, comprise longitudinal steel wire rope system and longitudinal steel wire rope system, longitudinal steel wire rope is fixed on fender post, can use separately, transverse steel wire rope is connected with longitudinal steel wire rope, guarantees the suspension arrangement (GAS-T system) of steel Construction of Supporting personal security while being formed on steel Construction of Supporting.
The present invention combines with safety belt, simple, convenient and realized constructor's the safe suspension arrangement of a kind of open-cut foundation ditch in work progress, filled up the blank of safe suspension system in current foundation ditch steel Construction of Supporting, ensured that constructor encloses purlin at steel, steel supports the safety that walking is constructed, in base pit engineering afterwards, will be widely used.
The technical solution adopted for the present invention to solve the technical problems is:
The safe suspension arrangement of open-cut foundation ditch, adopts vertical and horizontal wire rope to form structure, and longitudinal steel wire rope is fixed on fender post, and transverse steel wire rope is connected with longitudinal steel wire rope, guarantees the suspension arrangement of steel Construction of Supporting personal security while being formed on steel Construction of Supporting.
The safe suspension arrangement of open-cut foundation ditch, comprises bolt, longitudinal steel wire rope, transverse steel wire rope parts, and the composition annexation of its parts is bolts.
The safe suspension arrangement of a kind of open-cut foundation ditch, comprise longitudinal steel wire rope structure and longitudinal steel wire rope structure, longitudinal steel wire rope is fixed on fender post, transverse steel wire rope is connected with longitudinal steel wire rope, guarantees the suspension arrangement (GAS-T system) of steel Construction of Supporting personal security while being formed on steel Construction of Supporting.
The safe suspension arrangement of a kind of open-cut foundation ditch, comprising vertical and horizontal structure of steel wire combines, longitudinal steel wire rope adopts expansion bolt and connector to be connected with periphery fender post, can independently use, transverse steel wire rope can be connected on longitudinal steel wire rope and also can be connected in space enclosing structure, forms safe suspended structure.
Described locator is fixed with the bracket built-in fitting on the inwall of stake hole by the mode of welding.
The longitudinal steel wire rope of the safe suspension arrangement of open-cut foundation ditch and a fender post fixing means, comprise that step is as follows:
Measure setting-out step: according to the position relationship of longitudinal steel wire rope and stake, determine the position of expansion bolt, measure the length of wire rope, guarantee that wire rope connection meets the demands;
Boring step: hole on side wall;
Squeeze into expansion bolt step: fender post position bolt is installed, bolton; It is 0 degree that expansion bolt anchors into angle while constructing, anchor into the degree of depth need reach 15cm; Crimping connector (seeing Fig. 3).
Longitudinal steel wire rope installation steps: wire rope (longitudinally rope) is installed on side wall, and wire rope passes or uses dedicated hook clasp joint from connector (seeing Fig. 4, Fig. 5) preformed hole, considers sag, can manually strain;
Transverse steel wire rope installation steps: transverse and longitudinal wire rope is installed: transverse steel wire rope uses dedicated hook clasp joint on longitudinal steel wire rope;
After wire rope installation, its sag must not be less than 20%;
Beneficial effect of the present invention:
The present invention combines with fender post, simple, convenient and realized the suspension system of safety in work progress, filled up the blank of safe suspension system in current foundation ditch steel Construction of Supporting, ensured constructor's safety, in base pit engineering afterwards, will be widely used.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to below, can more completely understand better the present invention and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention, wherein:
Fig. 1 is for only there being the structure stress rough schematic view of transverse steel wire rope;
Fig. 2 is structure connection diagram of the present invention and force simplified schematic diagram;
Fig. 3 is the connection diagram of fixture of the present invention and fender post;
Fig. 4 is anchor structure schematic diagram of the present invention;
Fig. 5 is anchor structure schematic diagram of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
The specific embodiment
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 3, the fixture 20 of the safe suspension arrangement of a kind of open-cut foundation ditch is connected with fender post 22;
On fender post 22, boring, inserts in the hole set bolt 21, by nut, fixture 20 is fixed on set bolt 21, and steel to be onstructed encloses purlin 23 and is connected and fixed with fender post 22.
As shown in Figure 4, connector comprises fixture 20, and fixture 20 is L-square, the steel plate that L-square is 10mm; On a side L-square, there is bolt connecting hole 17, on opposite side L-square, have the first wire rope hook connecting hole 18, the second wire rope hook connecting holes 19.
Fixture 20 or employing structure as shown in Figure 5, fixture 20 is L-square, the steel plate that L-square is 10mm; On a side L-square, have bolt connecting hole 17, have the first wire rope hook connecting hole 18, the second wire rope hook connecting holes 19 on opposite side L-square, fixture 20 has fixed head 16 to be connected with 2 L-squares, and fixed head 16 can be for more than 2 or 2.
As shown in Figure 2, the safe suspension arrangement of a kind of open-cut foundation ditch, comprise the 3rd bolt 7, the 4th bolt 8, the 5th bolt 9, the 6th bolt 10, the first longitudinal steel wire rope 11, the second longitudinal steel wire rope 12, the 3rd longitudinal steel wire rope 13, the 4th longitudinal steel wire rope 14, transverse steel wire rope parts 6, the composition annexation of its parts is bolts, and the 3rd bolt 7, the 4th bolt 8, the 5th bolt 9 and the 6th bolt 10 are connected and fixed by nut with fixture 20.
The 3rd bolt 7 connects the 4th longitudinal steel wire rope 14, the 4th bolt 8 connects the second longitudinal steel wire rope 12, the 5th bolt 9 connects the 3rd longitudinal steel wire rope 13, the 6th bolt 10 connects the first longitudinal steel wire rope 11, the 4th longitudinal steel wire rope 14 is connected transverse steel wire rope parts 6, the first longitudinal steel wire ropes 11 and is connected the other end of transverse steel wire rope parts 6 with the other end of the second longitudinal steel wire rope 12 with the other end of the 3rd longitudinal steel wire rope 13.
Or the 3rd longitudinal steel wire rope 13 and the 4th longitudinal steel wire rope 14 are structure as a whole, the first longitudinal steel wire rope 11 and the second longitudinal steel wire rope 12 are structure as a whole; The two ends transverse steel wire rope coupling hook of transverse steel wire rope parts 6, hook respectively clasp joint the 3rd longitudinal steel wire rope 13 and the 4th longitudinal steel wire rope 14 with on the first longitudinal steel wire rope 11 and the second longitudinal steel wire rope 12.
The 3rd bolt 7, the 4th bolt 8, the 5th bolt 9, the 6th bolt 10 are fixed on fender post 22.
Or: the 3rd bolt 7 connects the 4th longitudinal steel wire rope 14 by fixture 20, the 4th bolt 8 connects the second longitudinal steel wire rope 12 by fixture 20, the 5th bolt 9 connects the 3rd longitudinal steel wire rope 13 by fixture 20, the 6th bolt 10 connects the first longitudinal steel wire rope 11 by fixture 20, the 4th longitudinal steel wire rope 14 is connected transverse steel wire rope parts 6, the first longitudinal steel wire ropes 11 and is connected the other end of transverse steel wire rope parts 6 with the other end of the second longitudinal steel wire rope 12 with the other end of the 3rd longitudinal steel wire rope 13; The type of attachment of the 4th longitudinal steel wire rope 14, the second longitudinal steel wire rope 12, the 3rd longitudinal steel wire rope 13, the first longitudinal steel wire rope 11 and fixture 20 is that one end of the 4th longitudinal steel wire rope 14, the second longitudinal steel wire rope 12, the 3rd longitudinal steel wire rope 13, the first longitudinal steel wire rope 11 is fixed with hook, and described hook is connected with the first wire rope hook connecting hole 18 or the second wire rope hook connecting hole 19 of fixture 20.
The safe suspension arrangement of a kind of open-cut foundation ditch, comprise longitudinal steel wire rope structure and longitudinal steel wire rope structure, longitudinal steel wire rope is fixed on fender post, transverse steel wire rope is connected with longitudinal steel wire rope, guarantees the suspension arrangement (GAS-T system) of steel Construction of Supporting personal security while being formed on steel Construction of Supporting.
The safe suspension arrangement of a kind of open-cut foundation ditch, comprising vertical and horizontal structure of steel wire combines, longitudinal steel wire rope adopts expansion bolt and connector to be connected with periphery fender post, can independently use, transverse steel wire rope can be connected on longitudinal steel wire rope and also can be connected in space enclosing structure, forms safe suspended structure.
Described fixture 20 also can be fixed by the bracket built-in fitting on the mode of welding and the stake hole inwall of fender post.
Embodiment 2:
The structure stress rough schematic view that only has as shown in Figure 1 transverse steel wire rope,
When only having transverse steel wire rope 5 stressed, all power all provides by the first expansion bolt 3, the second the anti-shearing of expansion bolt 4, rope 2 connecting steel wire ropes 5 and weight 1; According to Static Calculation and consider the related request of high falling impact force, in stress system, the stressed of maximum is: weight+weight high falling of weight 1 is the imposed load being transmitted by safety belt, in the application, according to related specifications, be 100kg+6kN=7kN, wherein mechanics triangle is: wire rope ultimate tension is counted according to 49kN, and its angle meets: sina > 7/49/2=1/14.
As shown in Figure 2,
When longitudinal steel wire rope (the first longitudinal steel wire rope 10, the second longitudinal steel wire rope 11, the 3rd longitudinal steel wire rope 9, when the 4th longitudinal steel wire rope 12) stressed, all power is all by expansion bolt (the first bolt 3, the second bolt 4, the 3rd bolt 7, the 4th bolt 8) anti-shearing providing, according to Static Calculation and consider the related request of high falling impact force, in stress system, the stressed of maximum is: weight weight+weight high falling is the imposed load being transmitted by safety belt, in the application, according to related specifications, be 100kg+6kN=7kN, wherein mechanics triangle is: wire rope ultimate tension is counted according to 49kN, its angle meets: sina1 > 7/ (49 * 2)=1/14, analyze longitudinal steel wire rope when stressed, external force is longitudinal steel wire rope tension F=7/sina1 again, and the mechanics triangular angles a2 of the stressed rear formation of longitudinal steel wire rope meets sin a2 > 7/ (2 * 49 sina1).
By calculating tentatively, determine tga1=0.4, tga2=0.2 meets the demands.
Embodiment 3:
The station of Beijing Metro engineering, foundation depth 16.8m.4 accesss are established at station altogether, and exit and entrance clear span is 6.0m, the about 10.15m of foundation depth; 2 groups of wind booths, No. 1 air channel span width is 15.4m, No. 2 air channel clear span are 13m, the about 10.15m of foundation depth.
Along the longitudinal north and south of station agent structure side, longitudinal steel wire rope is respectively set, horizontal relative set wire rope, the steel that forms whole station supports and sets up, removes support safety security system (GAS-T system).
As mentioned above, embodiments of the invention are explained, but as long as not departing from fact inventive point of the present invention and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation is also all included in protection scope of the present invention.
Claims (6)
1. the safe suspension arrangement of open-cut foundation ditch, it is characterized in that adopting vertical and horizontal wire rope to form structure, longitudinal steel wire rope is fixed on fender post, and transverse steel wire rope is connected with longitudinal steel wire rope, guarantees the suspension arrangement of steel Construction of Supporting personal security while being formed on steel Construction of Supporting;
Longitudinal steel wire rope adopts expansion bolt and fixture to be connected with periphery fender post, and transverse steel wire rope is connected on longitudinal steel wire rope, or is connected in space enclosing structure, forms safe suspension system;
Longitudinal steel wire rope has the first longitudinal steel wire rope, the second longitudinal steel wire rope, the 3rd longitudinal steel wire rope, the 4th longitudinal steel wire rope, and expansion bolt has the 3rd bolt, the 4th bolt, the 5th bolt, the 6th bolt;
The 3rd bolt, the 4th bolt, the 5th bolt and the 6th bolt and fixture are fastened on fender post by nut;
The 3rd bolt connects the 4th longitudinal steel wire rope, the 4th bolt connects the second longitudinal steel wire rope, the 5th bolt connects the 3rd longitudinal steel wire rope, the 6th bolt connects the first longitudinal steel wire rope, the 4th longitudinal steel wire rope is connected transverse steel wire rope parts with the other end of the 3rd longitudinal steel wire rope, and the first longitudinal steel wire rope is connected the other end of transverse steel wire rope parts with the other end of the second longitudinal steel wire rope;
Fixture is L-square, on a side L-square, has bolt connecting hole, has the first wire rope hook connecting hole on opposite side L-square, the second wire rope hook connecting hole.
2. the safe suspension arrangement of a kind of open-cut foundation ditch according to claim 1, is characterized in that:
Fixture is L-square, on a side L-square, has bolt connecting hole, has the first wire rope hook connecting hole on opposite side L-square, the second wire rope hook connecting hole, and fixture has fixed head to be connected with 2 L-squares, and fixed head is more than 2 or 2.
3. the safe suspension arrangement of a kind of open-cut foundation ditch according to claim 1, is characterized in that transverse steel wire rope is with linking up with clasp joint on longitudinal steel wire rope.
4. the safe suspension arrangement of a kind of open-cut foundation ditch according to claim 1, is characterized in that described fixture fixes by the bracket built-in fitting on the mode of welding and a hole inwall of fender post.
5. the safe suspension arrangement of a kind of open-cut foundation ditch according to claim 1, it is characterized in that the 3rd bolt connects the 4th longitudinal steel wire rope by fixture, the 4th bolt connects the second longitudinal steel wire rope by fixture, the 5th bolt connects the 3rd longitudinal steel wire rope by fixture, and the 6th bolt connects the first longitudinal steel wire rope by fixture; The type of attachment of the 4th longitudinal steel wire rope, the second longitudinal steel wire rope, the 3rd longitudinal steel wire rope, the first longitudinal steel wire rope and fixture is that one end of the 4th longitudinal steel wire rope, the second longitudinal steel wire rope, the 3rd longitudinal steel wire rope, the first longitudinal steel wire rope is fixed with hook, and described hook is connected with the first wire rope hook connecting hole or the second wire rope hook connecting hole of fixture.
6. right to use requires the fixing means of the safe suspension arrangement of a kind of open-cut foundation ditch described in 1, it is characterized in that comprising that step is as follows:
Measure setting-out step: according to the position relationship of longitudinal steel wire rope and stake, determine the position of expansion bolt, measure the length of wire rope, guarantee that wire rope connection meets the demands;
Boring step: hole on side wall;
Squeeze into expansion bolt step: fender post position bolt is installed, bolton; It is 0 degree that expansion bolt anchors into angle while constructing, anchor into the degree of depth need reach 15cm; Crimping fixture;
Longitudinal steel wire rope installation steps: wire rope is installed on side wall, and wire rope passes or uses dedicated hook clasp joint from fixture preformed hole, considers sag, artificial tension;
Transverse steel wire rope installation steps: transverse and longitudinal wire rope is installed: transverse steel wire rope uses dedicated hook clasp joint on longitudinal steel wire rope;
After wire rope installation, its sag must not be less than 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002782.3A CN102619228B (en) | 2012-01-06 | 2012-01-06 | Safety suspension device for open cut foundation pit and fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002782.3A CN102619228B (en) | 2012-01-06 | 2012-01-06 | Safety suspension device for open cut foundation pit and fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619228A CN102619228A (en) | 2012-08-01 |
| CN102619228B true CN102619228B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210002782.3A Active CN102619228B (en) | 2012-01-06 | 2012-01-06 | Safety suspension device for open cut foundation pit and fixing method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108442719A (en) * | 2018-03-23 | 2018-08-24 | 中铁上海工程局集团有限公司 | A kind of Metro Deep Excavation construction safety belt hanging buckle system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3880592B2 (en) * | 2003-07-25 | 2007-02-14 | 株式会社一歩 | Slope work method |
| CN101392586A (en) * | 2007-09-18 | 2009-03-25 | 白种均 | External construction structure for buildings and fixation material thereof |
| CN201661083U (en) * | 2010-03-01 | 2010-12-01 | 天津二十冶建设有限公司 | Sliding type safety net |
| CN201649678U (en) * | 2010-03-24 | 2010-11-24 | 陕西建工集团总公司 | Semi-automatic safety protective shed for high-rise building construction |
| CN202450535U (en) * | 2012-01-06 | 2012-09-26 | 北京市公路桥梁建设集团有限公司 | Safe suspension device for open cut foundation pit |
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Effective date of registration: 20170620 Address after: 100068 Fengtai District South Fourth Ring Road, Beijing, No. 163 Patentee after: Beijing municipal administration road and bridge limited company Address before: 101300 Beijing city Shunyi District North Town fuqianjie No. 6 Patentee before: Beijing Road and Bridge Construction Co., Ltd. |
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