CN208605206U - A kind of highway soft rock tunnel bilayer arch supporting construction device - Google Patents
A kind of highway soft rock tunnel bilayer arch supporting construction device Download PDFInfo
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- CN208605206U CN208605206U CN201821156117.9U CN201821156117U CN208605206U CN 208605206 U CN208605206 U CN 208605206U CN 201821156117 U CN201821156117 U CN 201821156117U CN 208605206 U CN208605206 U CN 208605206U
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Abstract
The utility model relates to vcehicular tunnel supporting arch technical fields, and disclose a kind of highway soft rock tunnel bilayer arch supporting construction device, including locating rod, the equal movable sleeve in the both ends of the locating rod is connected to outer branch steel arch-shelf, the two sides of the outer branch steel arch-shelf are fixedly connected to fixed link, and the fixed link is fixedly connected with interior branch steel arch-shelf far from one end of outer branch steel arch-shelf.The highway soft rock tunnel bilayer arch supporting construction device, it is horizontally-supported from the progress of the two sides of outer branch steel arch-shelf and Nei Zhi steel arch-shelf by locating rod, skewed horizontal load is carried out from the two sides of outer branch steel arch-shelf and Nei Zhi steel arch-shelf using support shaft, and longitudinal bracing is carried out from the bottom of branch steel arch-shelf by support rod, tunnel is supported simultaneously using outer branch steel arch-shelf and Nei Zhi steel arch-shelf, so that arch supporting is firm, outer branch steel arch-shelf and Nei Zhi steel arch-shelf is not easy while torsional deformation, so that the construction quality in tunnel and safety are guaranteed.
Description
Technical field
The utility model relates to vcehicular tunnel supporting arch technical field, specially a kind of highway soft rock tunnel bilayer arch
Supporting construction device.
Background technique
In recent years, with the enhancing of national society's economic strength and the needs of Regional Economic Development, the mountain ridge has gradually been abandoned
Regional sky way, but the mountain ridge is passed through using a large amount of Tunnel Engineering, it, must after tunnel excavation since tunnel soft rock intensity is low
Support reinforcement construction must be carried out rapidly.
However, existing tunnel support is weak, be easy to cause branch steel arch-shelf torsional deformation, gunite concrete cracking chip off-falling and
The problems such as just branch is toppled over influences the construction quality and safety in tunnel when serious, be delayed the construction period.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of highway soft rock tunnel bilayer arch supporting construction dress
Set, have the advantages that supporting construction is firm, it is weak to solve existing tunnel support, be easy to cause branch steel arch-shelf torsional deformation,
The problems such as gunite concrete cracking chip off-falling and first branch are toppled over influences the construction quality and safety in tunnel, delay construction work when serious
The problem of phase.
(2) technical solution
To realize the firm purpose of above-mentioned supporting construction, the utility model is provided the following technical solutions: a kind of highway soft rock
Tunnel and Double stringcourse frame supporting construction device, including locating rod, the equal movable sleeve in the both ends of the locating rod are connected to outer branch steel arch-shelf, institute
The two sides for stating outer branch steel arch-shelf are fixedly connected to fixed link, and the fixed link is fixedly connected with far from one end of outer branch steel arch-shelf
Interior branch steel arch-shelf, the equal pivot bush unit in both ends of the interior branch steel arch-shelf and locating rod, the both ends of the locating rod are fixedly attached
There is the fixation steel plate positioned at interior branch steel arch-shelf side, the top of two fixation steel plates is fixedly connected with restriction bar, described fixed
The both ends screw thread of position bar is socketed with the stop nut between fixation steel plate and outer branch steel arch-shelf, and the both ends of the locating rod are living
The dynamic limiting plate being socketed between stop nut and outer branch steel arch-shelf, the top of interior branch steel arch-shelf two sides is fixed to be connected
It connects there are two fixed block, the top movable sleeve of two fixed blocks is connected to fixing axle, is movably installed with position in the fixing axle
Support shaft between two fixed blocks, the support shaft far from fixing axle one end through interior branch steel arch-shelf and with outer branch steel arch
The side of frame is fixedly connected, the side of the interior branch steel arch-shelf be fixedly connected there are two be located at fixed block below limit plate, two
Limit shaft is movably installed between a limit plate, one end of the limit shaft extends to the side of fixed block, described in one
The side of limit plate is fixedly connected with positioner, and the back side of the positioner is fixedly connected with the front of interior branch steel arch-shelf,
Be fixedly connected with support rod in the middle part of the restriction bar top, the top of the support rod through interior branch steel arch-shelf top and with
It is fixedly connected at the top of outer branch steel arch-shelf.
Preferably, the positioner includes fixing pipe, and the internal activity of the fixing pipe is socketed with by movable plate, the quilt
The middle part fixing sleeve of movable plate is connected to axis, and the both ends of the axis all extend to the outside of fixing pipe, and the top of the axis is solid
Surely the pulling block being connected with outside fixing pipe, it is described that tension spring, the tension spring movable set are fixedly connected with by the bottom of movable plate
On axis, and the bottom end of tension spring is fixedly connected with the bottom of fixed tube cavity.
Preferably, the two sides of the interior branch steel arch-shelf, outer branch steel arch-shelf and fixation steel plate offer through slot, and interior Zhi Gang
Through slot on arch, outer branch steel arch-shelf and fixation steel plate is adapted with locating rod.
Preferably, the middle part pivot bush unit for limiting bar and support shaft, and the one end at the middle part of support shaft and support rod
It does not contact.
Preferably, one end of the limit shaft offers through-hole, and the bottom end movable sleeve of the through-hole and axis on limit shaft
It connects.
Preferably, one end of the support rod and support shaft is fixedly attached at the top of interior branch steel arch-shelf respectively, and is supported
Fixing sleeve is connected to the baffle below interior branch steel arch-shelf respectively for one end of bar and support shaft.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of highway soft rock tunnel bilayer arch supporting construction device,
Have it is following the utility model has the advantages that
1, highway soft rock tunnel bilayer arch supporting construction device, by locating rod from outer branch steel arch-shelf and Nei Zhi steel arch
The two sides progress of frame is horizontally-supported, carries out skewed horizontal load from the two sides of outer branch steel arch-shelf and Nei Zhi steel arch-shelf using support shaft, and
Carry out longitudinal bracing from the bottom of branch steel arch-shelf by support rod, using outer branch steel arch-shelf and Nei Zhi steel arch-shelf simultaneously to tunnel into
Row support, so that arch supporting is firm, outer branch steel arch-shelf and Nei Zhi steel arch-shelf is not easy while torsional deformation, so that tunnel
Construction quality and safety are guaranteed.
2, the highway soft rock tunnel bilayer arch supporting construction device, by by locating rod both ends respectively in branch steel arch-shelf and
In through slot insertion tunnel on outer branch steel arch-shelf, and running fix bar is in parallel state, utilizes the external Zhi Gang of stop nut
Arch is fixed, while fixed block being fixed using axis, so that branch steel arch-shelf in fixed, quick convenient for construction personnel
The fixed outer branch steel arch-shelf of installation and Nei Zhi steel arch-shelf, to improve the efficiency of tunnel construction of the highway.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial enlargement diagram at the A of the utility model structure；
Fig. 3 is the partial side view of branch steel arch-shelf in the utility model structure；
Fig. 4 is the positioner schematic diagram of the utility model structure chart 3.
In figure: 1, locating rod；2, outer branch steel arch-shelf；3, fixed link；4, interior branch steel arch-shelf；5, fixation steel plate；6, bar is limited；
7, stop nut；8, limiting plate；9, fixed block；10, fixing axle；11, support shaft；12, limit plate；13, limit shaft；14, detent
Device；141, fixing pipe；142, by movable plate；143, axis；144, pulling block；145, tension spring；15, support rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, a kind of highway soft rock tunnel bilayer arch supporting construction device, including locating rod 1, locating rod 1
The equal movable sleeve in both ends be connected to outer branch steel arch-shelf 2, the two sides of outer branch steel arch-shelf 2 are fixedly connected to fixed link 3, and fixed link 3 is remote
One end from outer branch steel arch-shelf 2 is fixedly connected with interior branch steel arch-shelf 4, interior branch steel arch-shelf 4, outer branch steel arch-shelf 2 and fixation steel plate 5
Two sides offer through slot, and the through slot on interior branch steel arch-shelf 4, outer branch steel arch-shelf 2 and fixation steel plate 5 is suitable with 1 phase of locating rod
Match, is inserted from through slot to tunnel convenient for offering at the both ends of locating rod 1 from the two sides of interior branch steel arch-shelf 4 and outer branch steel arch-shelf 2
It is interior, and 1 horizontality of locating rod is adjusted, so that the two sides of internal branch steel arch-shelf 4 and outer branch steel arch-shelf 2 are mutually propped up simultaneously
Support improves the stability of interior branch steel arch-shelf 4 and outer branch steel arch-shelf 2, the equal movable sleeve in both ends of interior branch steel arch-shelf 4 and locating rod 1
It connects, the equal fixing sleeve in the both ends of locating rod 1 is connected to the fixation steel plate 5 positioned at interior 4 side of branch steel arch-shelf, the top of two fixation steel plates 5
End, which is fixedly connected with, limits bar 6, limits the middle part pivot bush unit of bar 6 and support shaft 11, and the middle part of support shaft 11 and support rod
15 one end does not contact, and is mutually supported using inclined-plane of the support shaft 11 to 2 top of interior branch steel arch-shelf 4 and outer branch steel arch-shelf,
So that the stability of interior branch steel arch-shelf 4 and outer branch steel arch-shelf 2 improves, to avoid interior branch steel arch-shelf 4 and outer branch steel arch-shelf 2 simultaneously
Torsional deformation, it is ensured that tunnel construction of the highway is normally carried out, and the both ends screw thread of locating rod 1 is socketed with positioned at 5 He of fixation steel plate
Stop nut 7 between outer branch steel arch-shelf 2, the both ends movable sleeve of locating rod 1 are connected to positioned at stop nut 7 and outer branch steel arch-shelf 2
Between limiting plate 8, be fixedly connected to two fixed blocks 9, the top of two fixed blocks 9 at the top of interior 4 two sides of branch steel arch-shelf
Movable sleeve is connected to fixing axle 10, the support shaft 11 being movably installed between two fixed blocks 9 in fixing axle 10, support shaft 11
One end far from fixing axle 10 is fixedly connected through interior branch steel arch-shelf 4 and with the side of outer branch steel arch-shelf 2, interior branch steel arch-shelf 4
Side is fixedly connected there are two the limit plate 12 for being located at the lower section of fixed block 9, is movably installed with limit shaft between two limit plates 12
13, one end of limit shaft 13 offers through-hole, and the bottom end pivot bush unit of the through-hole on limit shaft 13 and axis 143, utilizes card
Axis 143 is in the through-hole clamping on limit shaft 13, consequently facilitating limit shaft is fixed, and then fixed interior branch steel arch-shelf 4, limit shaft 13
One end extends to the side of fixed block 9, and the side of a limit plate 12 is fixedly connected with positioner 14, and positioner 14 includes
Fixing pipe 141, the internal activity of fixing pipe 141 are socketed with by movable plate 142, are connected to axis by the middle part fixing sleeve of movable plate 142
143, the both ends of axis 143 all extend to the outside of fixing pipe 141, and the top of axis 143 is fixedly connected with positioned at fixing pipe 141
External pulling block 144, is fixedly connected with tension spring 145 by the bottom of movable plate 142,145 movable set of tension spring on axis 143, and
The bottom end of tension spring 145 is fixedly connected with the bottom of 141 inner cavity of fixing pipe, using the pulling force effect of tension spring 145, so that axis 143
Be clamped under normal conditions with limit shaft 13, to be limited using limit shaft 13 to fixed block 9, thus just with internal branch steel arch-shelf
4 are fixed, and the back side of positioner 14 is fixedly connected with the front of interior branch steel arch-shelf 4, limit the fixed company in middle part on 6 top of bar
It is connected to support rod 15, top of the one end of support rod 15 and support shaft 11 respectively with interior branch steel arch-shelf 4 is fixedly attached, and support rod
15 and fixing sleeve is connected to the baffle positioned at 4 lower section of interior branch steel arch-shelf respectively one end of support shaft 11, pass through support rod 15 and support
Internal branch steel arch-shelf 4 and outer branch steel arch-shelf 2 are supported fixation to axis 11 respectively, and utilize the gear on support rod 15 and support shaft 11
Plate makes the support effect of interior branch steel arch-shelf 4 and outer branch steel arch-shelf 2 more preferable, and the top of support rod 15 is through interior branch steel arch-shelf 4
Top is simultaneously fixedly connected with the top of outer branch steel arch-shelf 2.
When work, firstly, outer branch steel arch-shelf 2 to be close to the inner wall in tunnel, then, the inside of branch steel arch-shelf 2 is by upper outside
It is successively fixedly welded fixed link 3 under, and is fixedly welded fixation steel plate 5 in fixed link 3, then interior branch steel arch-shelf 4 is fixed and is welded
It connects in one end of fixed link 3, the both ends of locating rod 1 is sequentially passed through into interior branch steel arch-shelf 4, fixation steel plate 5 and outer branch steel arch-shelf 2,
And locating rod 1 is moved to horizontality, it is clamped by limit shaft 13 and fixed block 9, stationary positioned bar 1, rotary spacing nut 7
So that limiting plate 8 is close to outer branch steel arch-shelf 2, finally, by the both ends of support rod 15 respectively with limit bar 6 and outer branch steel arch-shelf 2
Top welding, and the top of support shaft 11 and inner support steel arch-shelf 4 and outer branch steel arch-shelf 2 are welded.
In conclusion the highway soft rock tunnel bilayer arch supporting construction device, by locating rod 1 from outer branch steel arch-shelf 2
Carried out with the two sides of interior branch steel arch-shelf 4 it is horizontally-supported, using support shaft 11 from the two sides of outer branch steel arch-shelf 2 and Nei Zhi steel arch-shelf 4
Skewed horizontal load is carried out, and longitudinal bracing is carried out from the bottom of interior branch steel arch-shelf 4 by support rod 15, utilizes outer 2 He of branch steel arch-shelf
Interior branch steel arch-shelf 4 is simultaneously supported tunnel, so that arch supporting is firm, outer branch steel arch-shelf 2 and Nei Zhi steel arch-shelf 4 are not
Easy torsional deformation simultaneously, so that the construction quality in tunnel and safety are guaranteed；Pass through Zhi Gang in distinguishing 1 both ends of locating rod
In through slot insertion tunnel on arch 4 and outer branch steel arch-shelf 2, and running fix bar 1 is in parallel state, utilizes stop nut
7 external branch steel arch-shelfs 2 are fixed, while fixed block 9 being fixed using axis 143, thus branch steel arch-shelf 4 in fixed,
Convenient for the fixed outer branch steel arch-shelf 2 of construction personnel's Fast Installation and Nei Zhi steel arch-shelf 4, to improve the efficiency of tunnel construction of the highway；
It is weak to solve existing tunnel support, be easy to cause branch steel arch-shelf torsional deformation, gunite concrete cracking chip off-falling and just branch is inclined
The problems such as collapsing influences the construction quality and safety in tunnel, is delayed construction period when serious the problem of.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of highway soft rock tunnel bilayer arch supporting construction device, including locating rod (1), it is characterised in that: the positioning
The equal movable sleeve in both ends of bar (1) is connected to outer branch steel arch-shelf (2), and the two sides of the outer branch steel arch-shelf (2) are fixedly connected to fixation
Bar (3), the fixed link (3) are fixedly connected with interior branch steel arch-shelf (4), the interior Zhi Gang far from one end of outer branch steel arch-shelf (2)
The equal fixing sleeve in both ends of the equal pivot bush unit in both ends of arch (4) and locating rod (1), the locating rod (1) is connected to positioned at interior Zhi Gang
The fixation steel plate (5) of arch (4) side, the top of two fixation steel plates (5), which is fixedly connected with, limits bar (6), described fixed
The both ends screw thread of position bar (1) is socketed with the stop nut (7) between fixation steel plate (5) and outer branch steel arch-shelf (2), described fixed
The both ends movable sleeve of position bar (1) is connected to the limiting plate (8) between stop nut (7) and outer branch steel arch-shelf (2), the interior branch
Two fixed blocks (9), the top pivot bush unit of two fixed blocks (9) are fixedly connected at the top of steel arch-shelf (4) two sides
Have fixing axle (10), the support shaft (11) being movably installed between two fixed blocks (9) on the fixing axle (10) is described
Company is fixed through interior branch steel arch-shelf (4) and with the side of outer branch steel arch-shelf (2) in the one end of support shaft (11) far from fixing axle (10)
Connect, the side of the interior branch steel arch-shelf (4) be fixedly connected there are two be located at fixed block (9) below limit plate (12), two institutes
It states and is movably installed between limit plate (12) limit shaft (13), one end of the limit shaft (13) extends to the one of fixed block (9)
The side of side, a limit plate (12) is fixedly connected with positioner (14), the back side of the positioner (14) with it is interior
The front of branch steel arch-shelf (4) is fixedly connected, and is fixedly connected with support rod (15), the branch in the middle part of restriction bar (6) top
The top of strut (15) through interior branch steel arch-shelf (4) top and be fixedly connected at the top of outer branch steel arch-shelf (2).
2. a kind of highway soft rock tunnel bilayer arch supporting construction device according to claim 1, it is characterised in that: described
Positioner (14) includes fixing pipe (141), and the internal activity of the fixing pipe (141) is socketed with by movable plate (142), the quilt
The middle part fixing sleeve of movable plate (142) is connected to axis (143), and the both ends of the axis (143) all extend to the outer of fixing pipe (141)
Portion, the top of the axis (143) is fixedly connected with the pulling block (144) external positioned at fixing pipe (141), described by movable plate
(142) bottom is fixedly connected with tension spring (145), and tension spring (145) movable set is on axis (143), and tension spring (145)
Bottom end be fixedly connected with the bottom of fixing pipe (141) inner cavity.
3. a kind of highway soft rock tunnel bilayer arch supporting construction device according to claim 1, it is characterised in that: described
The two sides of interior branch steel arch-shelf (4), outer branch steel arch-shelf (2) and fixation steel plate (5) offer through slot, and interior branch steel arch-shelf (4), outer
Through slot on branch steel arch-shelf (2) and fixation steel plate (5) is adapted with locating rod (1).
4. a kind of highway soft rock tunnel bilayer arch supporting construction device according to claim 1, it is characterised in that: described
The middle part pivot bush unit of bar (6) and support shaft (11) is limited, and the middle part of support shaft (11) and one end of support rod (15) do not connect
Touching.
5. a kind of highway soft rock tunnel bilayer arch supporting construction device according to claim 1, it is characterised in that: described
One end of limit shaft (13) offers through-hole, and the bottom end pivot bush unit of the through-hole on limit shaft (13) and axis (143).
6. a kind of highway soft rock tunnel bilayer arch supporting construction device according to claim 1, it is characterised in that: described
One end of support rod (15) and support shaft (11) is fixedly attached at the top of interior branch steel arch-shelf (4) respectively, and support rod (15) and
Fixing sleeve is connected to the baffle below interior branch steel arch-shelf (4) respectively for one end of support shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156117.9U CN208605206U (en) | 2018-07-20 | 2018-07-20 | A kind of highway soft rock tunnel bilayer arch supporting construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156117.9U CN208605206U (en) | 2018-07-20 | 2018-07-20 | A kind of highway soft rock tunnel bilayer arch supporting construction device |
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| Publication Number | Publication Date |
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| CN208605206U true CN208605206U (en) | 2019-03-15 |
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| CN201821156117.9U Active CN208605206U (en) | 2018-07-20 | 2018-07-20 | A kind of highway soft rock tunnel bilayer arch supporting construction device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915149A (en) * | 2019-03-18 | 2019-06-21 | 中交第二航务工程局有限公司 | A kind of Varied section tunnel excavation construction method based on climbing pilot tunnel |
| CN110052783A (en) * | 2019-03-26 | 2019-07-26 | 甘肃路桥建设集团有限公司 | A kind of first branch steel arch-shelf erection positioning auxiliary device production method in tunnel |
| CN110397455A (en) * | 2019-08-06 | 2019-11-01 | 樊建昆 | Highway soft rock tunnel bilayer arch supporting construction system and its construction method |
| CN110735654A (en) * | 2019-11-27 | 2020-01-31 | 周伟永 | arch center for supporting underground tunnel and roadway engineering and rapid supporting method thereof |
| CN113833498A (en) * | 2021-10-13 | 2021-12-24 | 广西新发展交通集团有限公司 | Tunnel is first a steel bow member erects location auxiliary device |
-
2018
- 2018-07-20 CN CN201821156117.9U patent/CN208605206U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915149A (en) * | 2019-03-18 | 2019-06-21 | 中交第二航务工程局有限公司 | A kind of Varied section tunnel excavation construction method based on climbing pilot tunnel |
| CN110052783A (en) * | 2019-03-26 | 2019-07-26 | 甘肃路桥建设集团有限公司 | A kind of first branch steel arch-shelf erection positioning auxiliary device production method in tunnel |
| CN110397455A (en) * | 2019-08-06 | 2019-11-01 | 樊建昆 | Highway soft rock tunnel bilayer arch supporting construction system and its construction method |
| CN110735654A (en) * | 2019-11-27 | 2020-01-31 | 周伟永 | arch center for supporting underground tunnel and roadway engineering and rapid supporting method thereof |
| CN113833498A (en) * | 2021-10-13 | 2021-12-24 | 广西新发展交通集团有限公司 | Tunnel is first a steel bow member erects location auxiliary device |
| CN113833498B (en) * | 2021-10-13 | 2023-08-22 | 广西新发展交通集团有限公司 | Tunnel preliminary bracing steel bow member erects location auxiliary device |
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