CN208056613U - A kind of overhanging type framed bent sets up structure - Google Patents
A kind of overhanging type framed bent sets up structure Download PDFInfo
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- CN208056613U CN208056613U CN201721517053.6U CN201721517053U CN208056613U CN 208056613 U CN208056613 U CN 208056613U CN 201721517053 U CN201721517053 U CN 201721517053U CN 208056613 U CN208056613 U CN 208056613U
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Abstract
The utility model provides a kind of overhanging type framed bent and sets up structure, including Cantilever Beams, wall-connecting piece, flexible draws anchor line, upright bar, leger, small cross bar, bridging；Diagonal brace is arranged in Cantilever Beams；The wall-connecting piece and scar angle are 45 ~ 90 °；Described flexible drawing anchor line one end connects wall-connecting piece, and the other end is connected with Cantilever Beams；The bottom of upright bar is arranged in support platform, and support platform is welded on Cantilever Beams；The leger is arranged along the length direction of framed bent, and leger is connected with upright bar with fastener, overlaps between two sections of adjacent legers of left and right and is fixed with fastener；The small cross bar is laid on above leger, and small cross bar is not in direct contact with scar；The brace of bridging is connect with leger.The utility model improves the stability of overhanging type framed bent, ensures construction safety, and set up the similar engineerings such as convenient and simple high gradient slope supporting suitable for water conservancy and hydropower, traffic bridge, mine.
Description
Technical field
The present invention relates to a kind of overhanging type framed bents to set up structure and construction method, is primarily adapted for use in water conservancy and hydropower, access bridge
The similar engineerings such as the high gradient slope supporting in beam, mine.
Background technology
Framed bent is also known as scaffold, refers to construction site as operation and solves vertically and horizontally to transport the various branch set up
Frame is made of steel pipe, fastener etc..With the high speed development of national basis Facilities Construction, the height that framed bent is set up is also increasingly
Height, Safety Risk in Production dramatically increase.It is counted according to state security department, in the safety accident number of casualties in engineering, due to row
Accounting caused by frame has an accident is more than 60%.
Framed bent is broadly divided into two kinds, i.e. console mode framed bent and overhanging type framed bent, the former pacifies due to that can ride upon on ground
Full reliability has certain guarantee；And overhanging type framed bent foundation-free, belong to hanging framed bent, security risk is very big.
Invention content
Present invention technical problems to be solved first are：In view of the above problems, a kind of overhanging type framed bent is provided to take
If structure, it is primarily adapted for use in the similar engineerings such as the high gradient slope supporting in water conservancy and hydropower, traffic bridge, mine.The present invention is adopted
Technical solution is：
A kind of overhanging type framed bent sets up structure, it is characterised in that including Cantilever Beams, wall-connecting piece, the flexible anchor line, upright bar, big of drawing
Cross bar, small cross bar, bridging；
Diagonal brace is arranged in Cantilever Beams；The wall-connecting piece and scar angle are 45~90 °；Flexible drawing anchor line one end connection connects
Wall part, the other end are connected with Cantilever Beams；The bottom of upright bar is arranged in support platform, and support platform is welded on Cantilever Beams；Institute
The length direction that leger is stated along framed bent is arranged, and leger is connected with upright bar with fastener, taken between two sections of adjacent legers of left and right
It connects and is fixed with fastener；The small cross bar is laid on above leger, and small cross bar is not in direct contact with scar；The brace of bridging
It is connect with leger.
Further, when overhanging type framed bent height is more than 12m, the overhanging framed bent, which sets up structure setting, multilayer cantilever
Beam.
Further, Cantilever Beams use 16# channel steels, overhanging case bay L to be arranged by upright bar advance, each advance setting one
Root；Enter rock anchorage length and is not less than 2.5m；Diagonal brace uses 12# channel steels, enters rock and is controlled generally according to 2.0m or so；Cantilever Beams with tiltedly
The angle Q of support generally takes 30~45 °.
Further, wall-connecting piece uses joint bar.
Further, wall-connecting piece uses joint bar, joint bar that should use the spiral not less than φ 25mm；Wall-connecting piece joint bar is long
Not less than 1.0m, enters rock and be not less than 0.6m, exposed 0.4m.
Further, flexible that anchor line is drawn to use Φ 16mm steel cables, flexibility that anchor line is drawn, at 30~45 ° of updip, to be drawn with horizontal plane
Anchor line both ends are no less than 3 rope cards using the fixed cyclization of rope card, often end.
Further, support platform uses 16# channel steels, is welded on the top of Cantilever Beams, bottom of upright rod is put into support platform
16# channel steel grooves in；Upright bar is fixed on by the spiral that every upright bar corresponds to support platform channel steel position welding Φ 25mm
On support platform channel steel groove, upright bar fixed point distance overhanging beam end in outside is not less than 0.1m.
Further, the lap of splice of the upright bar is not less than 1m, and junction is fixed with no less than three fasteners；It is described big
The lap of splice of cross bar is not less than 1m, and junction is fixed with no less than three fasteners.
Further, bridging uses tube material identical as leger, when setting according to the bottom of lateral to, longitudinal arrive side
Principle；Per pass bridging width not less than 4 across, and not less than 6m wide, the brace of bridging and the inclination angle on ground 45~60 ° it
Between.
The present invention also provides the constructions that a kind of overhanging type framed bent sets up structure, it is characterised in that including following step
Suddenly：
(1) basic scar cleaning,
The danger stone of basic scar is subjected to cleaned system before construction, prevents the danger stone in subsequent construction from falling off；
(2) Cantilever Beams are arranged,
Cantilever Beams 2 are arranged in overhanging type framed bent bottom, and Cantilever Beams use 16# channel steels, overhanging case bay L vertical by suspension scaffold frame body
Bar advance is arranged, and each advance is arranged one；Cantilever Beams cantilever span is arranged by 2.0m, enters rock anchorage length and is not less than 2.5m,
Diagonal brace is arranged in Cantilever Beams, and diagonal brace uses 12# channel steels, enters rock and is controlled generally according to 2.0m or so；The angle Q of Cantilever Beams and diagonal brace
Generally take 30~45 °；When overhanging type framed bent height is more than 12m, Cantilever Beams are set in vertical height higher slice；
(3) wall-connecting piece is arranged：
Wall-connecting piece use joint bar, joint bar should use not less than φ 25mm spiral, joint bar with basis scar angle be
It 45~90 °, is determined with specific reference to site contour condition, in the case where orographic condition allows, takes 45 °；Wall-connecting piece joint bar is grown not
Less than 1.0m, enters rock and be not less than 0.6m, exposed 0.4m；Wall-connecting piece is laid according to array pitch between design, for being highly more than
The overhanging type framed bent of 24m, an array pitch cannot be less than two steps two across；
(4) flexible to draw anchor line connection
Flexibility draws anchor line to use Φ 16mm steel cables, is fixed with Cantilever Beams outer end card of restricting, and draws anchor line and horizontal plane at 45 ° of updip
Angle draws anchor line both ends using the fixed cyclization of rope card, and often end is no less than 3 rope cards, and is socketed respectively with wall-connecting piece and Cantilever Beams；
(5) upright bar connection and setting
The bottom of upright bar is arranged in support platform, and support platform uses 16# channel steels, support platform to be welded on Cantilever Beams
On, bottom of upright rod is put into the 16# channel steel grooves of support platform；The screw-thread steel of every upright bar corresponding channel-section steel position welding Φ 25mm
Upright bar is fixed on channel steel groove by muscle, and upright bar fixed point distance overhanging beam end in outside is not less than 0.1m；
(6) leger is arranged
Leger is connected with upright bar with fastener, is overlapped between two sections of adjacent legers of left and right and is fixed with fastener, overlap joint length
Degree is not less than 1m, no less than three fasteners；
(7) small cross bar setting
Small cross bar is laid on leger top, and the two is fixed with fastener, and small cross bar uses steel tubing identical with leger
Material；Small cross bar is not in direct contact with basic scar, and the two standoff distance is generally in 0.2m or so；
(8) bridging is arranged
The brace of bridging is connect with leger, and bridging uses tube material identical as leger, according to cross when setting
To the principle on earth, longitudinally arriving side；Per pass bridging width not less than 4 across, and be not less than 6m wide, the brace of bridging and ground
Inclination angle between 45~60 °.
The present invention improves the stability of overhanging type framed bent, ensures construction safety, and sets up convenient and simple, is suitable for water conservancy
The similar engineerings such as the high gradient slope supporting in water power, traffic bridge, mine.
Description of the drawings：
Fig. 1 is that overhanging type framed bent of the present invention sets up constructive embodiment in a typical local front schematic view.
Fig. 2 is that overhanging type framed bent of the present invention sets up constructive embodiment in another typical local sectional view.
Fig. 3 is upright bar and leger by the fixed schematic diagram of fastener.
Fig. 4 is the schematic diagram of wall-connecting piece.
Fig. 5 is that leger overlaps and by the fixed schematic diagram of fastener.
Specific implementation mode
With reference to attached drawing.Overhanging type framed bent provided by the present invention sets up structure, including Cantilever Beams 2, wall-connecting piece 3, flexible drawing
Anchor line 4, upright bar 5, leger 6, small cross bar 7, bridging 8.
A kind of overhanging framed bent of the present invention sets up the embodiment of construction method and is：
A. basic scar 1 is cleared up：As shown in Fig. 2, for ensure framed bent set up, run and demolishing process in safety, apply
Before work by the danger stone of basic scar 1 carry out cleaned system, prevent in subsequent construction endanger stone fall off, jeopardize lower part construction personnel,
Equipment safety.
B. Cantilever Beams 2 are arranged：Cantilever Beams 2 are arranged in overhanging type framed bent bottom, and Cantilever Beams 2 generally use 16# channel steels, Cantilever Beams
2 spacing L are arranged by 5 advance of suspension scaffold frame body upright bar, and each advance is arranged one.2 cantilever span L1 of Cantilever Beams generally presses 2.0m
Setting enters rock anchorage length L2 and is not less than 2.5m, and diagonal brace 20 is arranged in Cantilever Beams 2, and diagonal brace generally uses 12# channel steels, diagonal brace overall length
6.5m enters rock and is controlled generally according to 2.0m or so.Cantilever Beams 2 and the angle Q of diagonal brace 20 generally take 30~45 °, and angle was not easy
Small, specific value is according to site contour conditional decision.
To ensure framed bent safety, when overhanging type framed bent height is more than 12m, should Cantilever Beams be set in vertical height higher slice
2, the story height H of Cantilever Beams 2 is generally 8~12m, and specific value is determined regarding framed bent whole height.
C. wall-connecting piece 3 is arranged：Overhanging type framed bent wall-connecting piece 3 uses joint bar, joint bar that should use the screw thread not less than φ 25mm
Reinforcing bar, joint bar are 45~90 ° with basic 1 angle of scar, are determined with specific reference to site contour condition, in the feelings that orographic condition allows
Under condition, 45 ° are taken；3 joint bar of wall-connecting piece length is not less than 1.0m, enters rock and is not less than 0.6m, exposed 0.4m；Wall-connecting piece 3 is according between design
Array pitch is laid, for height be more than 24m overhanging type framed bent, an array pitch cannot be less than two steps two across.
D. flexible that anchor line 4 is drawn to connect：Flexibility draws anchor line 4 to be fixed using Φ 16mm steel cables and 2 outer end of Cantilever Beams rope card, draws anchor
Rope 4, at updip 45° angle, draws 4 both ends of anchor line to use the fixed cyclization 40 of rope card, often holds and be no less than 3 rope cards, and respectively with horizontal plane
It is socketed with wall-connecting piece exposed parts and Cantilever Beams 2.
E. upright bar 5 is arranged：The upright bar 5 of framed bent is arranged in support platform 21, and support platform 21 uses 16# channel steels, support
Platform 21 is welded on Cantilever Beams 2, and 5 bottom of upright bar is put into the 16# channel steel grooves of support platform 21.Every 5 corresponding groove of upright bar
Φ 25mm is welded at steel position, upright bar is fixed on channel steel groove by the spiral of L=0.2m, and upright bar fixed point distance in outside is outstanding
2 end of outrigger is not less than 0.1m.
F. leger 6 is arranged：Leger 6 and upright bar 5 are connected with fastener 9, are overlapped simultaneously between two sections of adjacent legers of left and right
It is fixed with fastener 9, leger 6 preferably use the steel pipe of 6m, and to reduce overlap joint, when overlap joint, the lap of splice is not less than 1m, and no less than three
A fastener.
G. small cross bar 7 is arranged：Small cross bar 7 is laid on 6 top of leger, and the two is fixed with fastener 9, small cross bar 7 using with
6 identical tube material of leger；Small cross bar 7 should not be in direct contact with basic scar 1, and the two standoff distance is generally on the left sides 0.2m
It is right.
H. bridging 8 is arranged：The brace of bridging is connect with leger fastener 9, and bridging 8 uses and 6 phase of leger
Same tube material requires when setting according to lateral to bottom, longitudinal principle for arriving side；8 width of per pass bridging be no less than 4 across,
And no less than 6m wide, the brace of bridging 8 and the inclination angle on ground should be between 45~60 °.
Above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art it is common
Technical staff, within the scope of the invention, the variation made change addition or replacement, should all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of overhanging type framed bent sets up structure, it is characterised in that including Cantilever Beams, wall-connecting piece, flexible drawing anchor line, upright bar, big cross
Bar, small cross bar, bridging；
Diagonal brace is arranged in Cantilever Beams；
The wall-connecting piece and scar angle are 45~90 °；
Described flexible drawing anchor line one end connects wall-connecting piece, and the other end is connected with Cantilever Beams；
The bottom of upright bar is arranged in support platform, and support platform is welded on Cantilever Beams；
The leger is arranged along the length direction of framed bent, and leger is connected with upright bar with fastener, the adjacent two sections big cross in left and right
It overlaps between bar and is fixed with fastener；
The small cross bar is laid on above leger, and small cross bar is not in direct contact with scar；
The brace of bridging is connect with leger.
2. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that when overhanging type framed bent height is more than
When 12m, the overhanging framed bent, which sets up structure setting, multilayer cantilever beam.
3. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that Cantilever Beams use 16# channel steels, hang
Outrigger spacing L is arranged by upright bar advance, and each advance is arranged one；Enter rock anchorage length and is not less than 2.5m；Diagonal brace uses 12# slots
Steel enters rock and is controlled generally according to 2.0m or so；The angle Q of Cantilever Beams and diagonal brace generally takes 30~45 °.
4. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that wall-connecting piece uses joint bar.
5. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that wall-connecting piece uses joint bar, joint bar to answer
Using the spiral not less than φ 25mm；Wall-connecting piece joint bar length is not less than 1.0m, enters rock and is not less than 0.6m, exposed 0.4m.
6. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that flexibility draws anchor line to use Φ 16mm
Steel cable, flexibility draw anchor line, at 30~45 ° of updip, to draw anchor line both ends to use the fixed cyclization of rope card with horizontal plane, often hold no less than 3
Rope card.
7. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that support platform uses 16# channel steels,
It is welded on the top of Cantilever Beams, bottom of upright rod is put into the 16# channel steel grooves of support platform；Every upright bar corresponds to support platform slot
Upright bar is fixed on support platform channel steel groove by the spiral of steel position welding Φ 25mm, and upright bar fixed point distance in outside is outstanding
Outrigger end is not less than 0.1m.
8. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that the lap of splice of the upright bar is not
Less than 1m, junction is fixed with no less than three fasteners；The lap of splice of the leger is not less than 1m, and junction is with being no less than
Three fasteners are fixed.
9. a kind of overhanging type framed bent as described in claim 1 sets up structure, it is characterised in that bridging uses and leger phase
Same tube material, according to lateral to bottom, longitudinal principle for arriving side when setting；Per pass bridging width is not less than 4 across and being not less than
6m wide, the brace of bridging and the inclination angle on ground are between 45~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517053.6U CN208056613U (en) | 2017-11-14 | 2017-11-14 | A kind of overhanging type framed bent sets up structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721517053.6U CN208056613U (en) | 2017-11-14 | 2017-11-14 | A kind of overhanging type framed bent sets up structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104460A (en) * | 2017-11-14 | 2018-06-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of overhanging type framed bent sets up structure and construction method |
| CN113530192A (en) * | 2021-08-16 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Multi-support overhanging scaffold structure of ultrahigh vertical rock slope |
| CN113738086A (en) * | 2021-09-10 | 2021-12-03 | 重庆一零七市政建设工程有限公司 | High and steep dangerous rock attached type operation platform |
-
2017
- 2017-11-14 CN CN201721517053.6U patent/CN208056613U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104460A (en) * | 2017-11-14 | 2018-06-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of overhanging type framed bent sets up structure and construction method |
| CN113530192A (en) * | 2021-08-16 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Multi-support overhanging scaffold structure of ultrahigh vertical rock slope |
| CN113530192B (en) * | 2021-08-16 | 2023-03-31 | 中国铁道科学研究院集团有限公司 | Multi-support overhanging scaffold structure of ultrahigh vertical rock slope |
| CN113738086A (en) * | 2021-09-10 | 2021-12-03 | 重庆一零七市政建设工程有限公司 | High and steep dangerous rock attached type operation platform |
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