CN208718658U - A kind of Shield-bored tunnels construction section of jurisdiction support device - Google Patents
A kind of Shield-bored tunnels construction section of jurisdiction support device Download PDFInfo
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- CN208718658U CN208718658U CN201821459455.XU CN201821459455U CN208718658U CN 208718658 U CN208718658 U CN 208718658U CN 201821459455 U CN201821459455 U CN 201821459455U CN 208718658 U CN208718658 U CN 208718658U
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- gusseted
- jurisdiction
- standpipe
- main structure
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Abstract
The utility model relates to a kind of Shield-bored tunnels construction section of jurisdiction support devices comprising: fixed beam (1), gusseted main structure (2) and nut (3)；The blunt angular position of gusseted main structure (2) is provided with standpipe (21), the upper end of the standpipe (21) is concordant with the long side of gusseted main structure (2), gusseted main structure (2) are stretched out in the lower end of standpipe (21), and end face is concordant；Described fixed beam (1) one end screws in section of jurisdiction and lifts screw hole, and the other end is fixed with nut (3).The utility model can effectively be fixed gusseted main structure with section of jurisdiction by fixed beam, additionally it is possible to be played preferable supporting role to adjacent section of jurisdiction, be effectively increased construction efficiency；And it is reusable, it is suitable for various complex random systems, effectively increases construction quality, saved construction cost.
Description
Technical field
The utility model relates to constructing metro tunnel technical fields more particularly to a kind of Shield-bored tunnels construction to use
Section of jurisdiction support device.
Background technique
Subway occupies critically important position in urban transportation, and the development of subway not only optimizes the utilization of urban land,
But also alleviate the pressure of ground traffic.For in the construction of Shield-bored tunnels, construction quality is rigid requirement, subway
In shield tunnel construction, section of jurisdiction constitutes tunnel main structure.Guarantee that section of jurisdiction quality is the most important thing among tunnel construction process,
Nowadays there is no effective control measure for section of jurisdiction fragmentation situation in tunneling process.
Utility model content
The purpose of this utility model is to overcome technical problems of the existing technology, provide a kind of Shield-bored tunnels
Section of jurisdiction support device in construction can reduce fragmentation frequency in section of jurisdiction in Shield-bored tunnels process of construction.
The purpose of this utility model is achieved through the following technical solutions:
The utility model provides a kind of Shield-bored tunnels construction section of jurisdiction support device comprising:
Fixed beam, gusseted main structure and nut 3)；
The blunt angular position of the gusseted main structure is provided with standpipe, the upper end of the standpipe and gusseted main body
The long side of structure is concordant, and gusseted main structure is stretched out in the lower end of standpipe, and end face is concordant；Described fixed beam one end screws in
Section of jurisdiction lifts screw hole, and the other end is secured with nuts.
It is highly preferred that the upper and lower ends of the fixed beam are threaded；Under wherein the diameter of thread of upper end is greater than
The diameter of thread at end；The screw thread of the upper end and section of jurisdiction lifting screw hole cooperation, screw thread and the nut of the lower end are used cooperatively.
It is highly preferred that the gusseted main structure generally English truss form, including standpipe and it is symmetrically positioned in
The long wing gusseted and short limb gusseted of the standpipe two sides；
The length L of the long wing gusseted 22 needs to meet following relationship:
L+1/2D>1/2B
L is the length of long wing gusseted；D is the diameter of standpipe；B is the width of section of jurisdiction B piece.
It is highly preferred that the gusseted main structure further include:
Ribs is welded between the long wing gusseted and the right-angle side and bevel edge of short limb gusseted.
It is highly preferred that the gusseted main structure further include:
With the floor of the long side of standpipe and gusseted main structure welding.
It is highly preferred that the lower end outside weldings of the standpipe have flange.
The utility model has the following technical effect that it can be seen from above-mentioned the technical solution of the utility model
The utility model structure is simple, and design is rationally, easy to use, can be effectively by gusseted main body by fixed beam
Structure is fixed with section of jurisdiction, and use process is reliable and stable；The high strength steel hardness that fixed beam and supportive body structure use is high,
Intensity and toughness are preferable, can play preferable supporting role to adjacent section of jurisdiction, effectively increase construction efficiency；And it is repeatable
It uses, is suitable for various complex random systems, effectively increases construction quality, saved construction cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the fixed beam in the utility model；
Fig. 3-1 is the main view of the gusseted main structure in the utility model；
Fig. 3-2 is the top view of the gusseted main structure in the utility model；
Fig. 4 is the usage state diagram of the utility model.
Wherein:
Fixed beam 1, gusseted main structure 2, nut 3；Standpipe 21, long wing gusseted 22, short limb gusseted
23, ribs 24 and floor 25.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the application, below with reference to attached drawing to this reality
It is described in further details with novel.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and
It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model
The restriction enclosed.
In the utility model, belonging to " installation ", " connected ", " connecting ", " connection ", " fixation " etc. shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, be also possible to be integrally connected, be also possible to be mechanically connected, it can also
To be electrical connection or can be in communication with each other, it is also possible to be directly connected to, is also possible to be indirectly connected with by intermediary, can be
Connection inside two components, is also possible to the interaction relationship of two components.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The utility model provides a kind of Shield-bored tunnels construction section of jurisdiction support device, structure such as Fig. 1 and Fig. 2
Shown, which includes: fixed beam 1, gusseted main structure 2 and nut 3.Gusseted main structure
2 blunt angular position is provided with standpipe 21, and the upper end of the standpipe 21 is concordant with the long side of gusseted main structure 2, standpipe 21
Lower end stretch out gusseted main structure 2, and end face is concordant, to guarantee end face and its smooth engagement of nut 3；Fixed beam
1 one end screws in section of jurisdiction and lifts screw hole, and the other end is fixed with nut 3.
The specific structure of all parts in the section of jurisdiction support device and connection relationship between them are as follows:
The structure of above-mentioned fixed beam 1 is as shown in Fig. 2, the fixed beam 1 is solid screw, and both ends are machined with spiral shell
Line.Wherein the diameter of thread of upper end is greater than the diameter of thread of lower end.The screw thread of the upper end of the fixed beam 1 and section of jurisdiction lift screw hole
Cooperation, screw thread and the nut 3 of lower end are used cooperatively.
For the structure of above-mentioned gusseted main structure 2 as shown in Fig. 3-1 and Fig. 3-2, the gusseted main structure 2 is whole
For English truss form, including standpipe 21 and it is symmetrically positioned in the long wing gusseted 22 and short limb triangle branch of 21 two sides of standpipe
Support 23.
Long wing gusseted 22 and short limb gusseted 23 are all made of high strength hollow square steel and fashioned iron is welded, in order to increase
Its strong intensity, is welded with ribs 24 between their right-angle side and bevel edge, which can be the types such as angle steel, channel steel
Steel.
It is more fastened to make to connect between long wing gusseted 22 and short limb gusseted 23 and standpipe 21, the triangle branch
Support main structure 2 further includes the floor 25 with the welding of the long side of standpipe 21 and gusseted main structure 2.Such as Fig. 3-1 and Fig. 3-2
As can be seen that the floor 25 be welded on long wing gusseted 22 and short limb gusseted 23 respectively with 21 connection of standpipe.
Since standpipe 21 is hollow pipe, in order to guarantee the intensity at standpipe 21 and 3 connecting position of nut, also in the standpipe 21
Lower end outside weldings have flange.
For the section of jurisdiction K piece that its can also be supported adjacent while guaranteeing that section of jurisdiction support device supports section of jurisdiction B piece, this three
The length L of long wing gusseted 22 in angle supportive body structure 2 needs to meet following relationship (as shown in Figure 4):
L+1/2D>1/2B
L is the length of long wing gusseted 22；D is the diameter of standpipe 21；B is the width of section of jurisdiction B piece.
The specific size of above-mentioned gusseted main structure 2 can be adjusted by actual conditions, premised on facilitating construction.
The service condition of the section of jurisdiction support device of the utility model is as follows:
Step 1: installing above-mentioned fixed beam 1.Above-mentioned fixed beam 1 is fixed on new assembly after the completion of pipe sheet assembling
The adjacent ring of section of jurisdiction and the B piece being connected with new segment assembly K piece, and tighten；
Step 2: installing above-mentioned gusseted main structure 2.After the completion of above-mentioned solid fixed beam 1 is installed and is fastened,
Above-mentioned gusseted main structure 2 is penetrated into above-mentioned fixed beam 1 by its standpipe 21；
Step 3: installing above-mentioned nut 3.After above-mentioned gusseted main structure 2 is installed, the fixed above-mentioned spiral shell of installation
Mother 3 simultaneously tightens.
After above three step completes the installation of the utility model, as above structure shown in Fig. 4 is formed, at this time section of jurisdiction
Gusseted main structure 2 in support device is tightly fixed to the lifting screw hole of section of jurisdiction B piece by fixed beam 1 and nut 3
Place, while the long wing gusseted part of section of jurisdiction support device plays supporting role to the section of jurisdiction K piece of adjacent next ring.
Step 4: removing above-mentioned section of jurisdiction support device.
Above-mentioned nut 3 is first removed, above-mentioned gusseted main structure 2 is then unloaded, finally removes above-mentioned fixed beam 1.
It is dismountable that above-mentioned section of jurisdiction support device should completely disengage shield machine casing rear in institute's fixing pipe loop, and along tunnel piercing direction
Repetitive cycling uses.
Above-mentioned solid fixed beam 1 is high-strength steel, and hardness height, intensity and toughness are preferable, can satisfy fixed above-mentioned three
The demand of angle supportive body structure 2；Above-mentioned gusseted main structure 2 uses high-strength square steel and round steel, and hardness is high, intensity and steady
It is qualitative good, it can effectively support section of jurisdiction K piece.
Above-mentioned gusseted main structure 2 lifts screw hole realization with section of jurisdiction by fixed beam 1 and nut 3 and is stably connected with,
Simple installation, and use can be alternately repeated in tunneling process, it is effectively saved material cost.
In tunneling process, it need to guarantee that above-mentioned section of jurisdiction support device should be installed in time after the completion of pipe sheet assembling, to section of jurisdiction
It is dismountable to completely disengage shield machine casing rear, can take the circumstances into consideration to extend to remove the time.Guarantee that section of jurisdiction is detached from during shield machine casing
Section of jurisdiction K piece stabilization.
The utility model structure is simple, and rationally, use process is reliable and stable, reusable for design.Using high strength steel
Material has high hardness, wear-resisting, intensity and good toughness, can play effective supporting role to section of jurisdiction K piece, effectively increase and apply
Work efficiency rate, has saved construction cost.
Although the utility model has been described by way of example and in terms of the preferred embodiments, embodiment does not limit the utility model.Not
It is detached from the spirit and scope of the utility model, any equivalent change or retouch done also belongs to the guarantor of the utility model
Protect range.Therefore the protection scope of the utility model should be based on the content defined in the claims of this application.
Claims (6)
1. a kind of Shield-bored tunnels construction section of jurisdiction support device, which is characterized in that the section of jurisdiction support device includes:
Fixed beam (1), gusseted main structure (2) and nut (3)；
The blunt angular position of the gusseted main structure (2) is provided with standpipe (21), the upper end of the standpipe (21) and triangle
The long side of supportive body structure (2) is concordant, and gusseted main structure (2) are stretched out in the lower end of standpipe (21), and end face is concordant；Institute
It states fixed beam (1) one end and screws in section of jurisdiction lifting screw hole, the other end is fixed with nut (3).
2. a kind of Shield-bored tunnels construction section of jurisdiction support device according to claim 1, which is characterized in that
The upper and lower ends of the fixed beam (1) are threaded；Wherein the diameter of thread of upper end is straight greater than the screw thread of lower end
Diameter；The screw thread of the upper end and section of jurisdiction lifting screw hole cooperation, screw thread and the nut (3) of the lower end are used cooperatively.
3. a kind of Shield-bored tunnels construction section of jurisdiction support device according to claim 1 or 2, feature exist
In,
The gusseted main structure (2) generally English truss form, including standpipe (21) and it is symmetrically positioned in the standpipe
(21) the long wing gusseted (22) of two sides and short limb gusseted (23)；
The length L of the long wing gusseted (22) needs to meet following relationship:
L+1/2D>1/2B
L is the length of long wing gusseted (22)；D is the diameter of standpipe (21)；B is the width of section of jurisdiction B piece.
4. a kind of Shield-bored tunnels construction section of jurisdiction support device according to claim 3, which is characterized in that institute
State gusseted main structure (2) further include:
Ribs is welded between the long wing gusseted (22) and the right-angle side and bevel edge of short limb gusseted (23)
(24)。
5. a kind of Shield-bored tunnels construction section of jurisdiction support device according to claim 3, which is characterized in that institute
State gusseted main structure (2) further include:
With the floor (25) of the long side of standpipe (21) and gusseted main structure (2) welding.
6. a kind of Shield-bored tunnels construction section of jurisdiction support device according to claim 3, which is characterized in that institute
The lower end outside weldings for stating standpipe (21) have flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459455.XU CN208718658U (en) | 2018-09-06 | 2018-09-06 | A kind of Shield-bored tunnels construction section of jurisdiction support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459455.XU CN208718658U (en) | 2018-09-06 | 2018-09-06 | A kind of Shield-bored tunnels construction section of jurisdiction support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718658U true CN208718658U (en) | 2019-04-09 |
Family
ID=65981315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821459455.XU Active CN208718658U (en) | 2018-09-06 | 2018-09-06 | A kind of Shield-bored tunnels construction section of jurisdiction support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208718658U (en) |
-
2018
- 2018-09-06 CN CN201821459455.XU patent/CN208718658U/en active Active
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