CN209277903U - A kind of one-above-the-other layout between Tunnel steelframe - Google Patents
A kind of one-above-the-other layout between Tunnel steelframe Download PDFInfo
- Publication number
- CN209277903U CN209277903U CN201822052679.5U CN201822052679U CN209277903U CN 209277903 U CN209277903 U CN 209277903U CN 201822052679 U CN201822052679 U CN 201822052679U CN 209277903 U CN209277903 U CN 209277903U
- Authority
- CN
- China
- Prior art keywords
- attachment base
- steelframe
- layout
- foot anchor
- tunnel
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses the one-above-the-other layouts between a kind of Tunnel steelframe, including overall U-shaped structure attachment base and the two lock foot anchor tubes connected firmly with attachment base；The attachment base is connected firmly by two L-type steel plates by strip hole and the second bolt, realizes the length adjustment of longitudinal direction between steelframe；The attachment base includes two side plates and a length-adjustable bottom plate, and two side plates of attachment base are provided with the first connecting hole, are connected firmly by the first bolt with steelframe；The two sides of attachment base bottom plate are provided with two location holes, and the front end of lock foot anchor tube passes through location hole and is embedded to country rock, and the rear end of lock foot anchor tube is provided with the second connecting hole, is fixed on the bottom plate of attachment base by positioning bolt.The utility model substantially increases the reinforcement effect of lock foot anchor tube, reduces the effect of arch sedimentation, while one-above-the-other layout uses field-installed mode, and with connection speed, fast, simple operation and other advantages, substantially increase construction efficiency.
Description
Technical field
The utility model belongs to Tunnel Engineering field, and in particular to the longitudinally connected dress between a kind of Tunnel steelframe
It sets.
Background technique
With national society's expanding economy, there is a large amount of Tunnel Engineering in traffic engineering field, applies in Tunnel Engineering
During work, preliminary bracing usually uses the combined retaining structures such as steelframe, steel mesh and gunite concrete.And preliminary bracing structure
In steelframe usually use the fashioned iron such as H, I steel and channel steel, between steelframe and steelframe usually use welding H-bar or longitudinal direction
The mode of dowel is attached, to ensure the overall stability and supporting role of steelframe.Meanwhile it is normal at steel arch placement of foot
It is standing to have lock foot anchor tube and weld it with steelframe, to avoid steelframe due to arch springing country rock it is weak and generate excessive deformation and
Prominent heavy problem.These ways produce preferable effect and effect in some tunnels, but also sudden and violent during constructing tunnel
The problem of exposing some quality and safety etc..First, operating environment is poor in tunnel, working space is narrow, especially steel
It is not full and other issues often to there is solder skip, weld seam close to the one side of country rock in frame；Second, welding personnel level is not in tunnel
One, the activity duration is nervous, so usually having, the welding is not firm, welds not full, the inadequate mass defect of weld bead height；Third,
Lock foot anchor tube is welded with steelframe, effect is poor, the case where often resulting in desoldering, does not have and locks the due work of foot anchor tube
With；Fourth, nowadays generally use the welding technique of electric welding in tunnel, welding when, generally requires pull the wire energization, in addition
Often moist more water in tunnel, therefore there is huge security risks.In addition, when welding, sparks flying off in all directions, also gives tunnel band
Carried out fire hazard centainly, especially in gas tunnel, site welding is strictly prohibited, steelframe is longitudinally connected and steelframe with
Locking the connection between foot anchor tube can be used by limitation, also be greatly lowered the overall stability of Tunnel.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts is provided between a kind of Tunnel steelframe
One-above-the-other layout.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of one-above-the-other layout between Tunnel steelframe, including overall U-shaped structure attachment base and with connection
Two lock foot anchor tubes that seat connects firmly；The attachment base is connected firmly by two L-type steel plates by strip hole and bolt, realize steelframe it
Between longitudinal direction length adjustment；The attachment base include two side plates and a length-adjustable bottom plate, the two of attachment base
A side plate is provided with the first connecting hole, is connected firmly by the first bolt with steelframe；The two sides of attachment base bottom plate are provided with two positioning
Hole, the front end of corresponding lock foot anchor tube pass through location hole and are embedded to country rock, and the rear end of lock foot anchor tube is provided with the second connecting hole, by fixed
Position bolt is fixed on the bottom plate of attachment base.
In one-above-the-other layout between above-mentioned Tunnel steelframe, match between location hole and lock foot anchor tube for gap
It closes.
In one-above-the-other layout between above-mentioned Tunnel steelframe, L-type steel plate with a thickness of 13-16 mm.
In one-above-the-other layout between above-mentioned Tunnel steelframe, the edge of location hole far from junction steel plate edge away from
From greater than 50 mm.
In one-above-the-other layout between above-mentioned Tunnel steelframe, the first connecting hole on every side plate of attachment base is equal
It is two.
In one-above-the-other layout between above-mentioned Tunnel steelframe, the length of strip hole is 100-300mm.
In one-above-the-other layout between above-mentioned Tunnel steelframe, H-type that supporting steelframe is disposed adjacent by two or
I-shaped fashioned iron welding is made.
Compared with prior art, the utility model has the following beneficial effects:
The utility model is to be attached attachment base and steelframe by bolt, substantially increases the monolithic stability of steelframe
Property, the quality and safety problem generated by welding is avoided, there is good effect especially in gas tunnel；Attachment base
It is formed by connecting by two L-type steel plates, length is adjustable, adapts to different steelframe pitch requirements, erected on site steelframe is effectively ensured
Spacing, it is ensured that steelframe in strict accordance with design spacing applied；Even if there is deviation, can also be grown by regulating member
Degree is adjusted, it is ensured that the quick real work in scene.Furthermore it is equipped with the location hole of lock foot anchor tube on the attachment base at steel arch foot, and leads to
It crosses bolt to connect lock foot anchor tube with attachment base, substantially increases the reinforcing arch springing of lock foot anchor tube, reduce the effect of arch sedimentation；
The connection of attachment base and steelframe uses field-installed mode, and with connection speed, fast, simple operation and other advantages, are greatly improved
Construction efficiency.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the utility model one-above-the-other layout；
Fig. 2 is the one-above-the-other layout and the fixed schematic diagram of country rock of the utility model；
Fig. 3 is the composition schematic diagram of attachment base in the utility model；
Fig. 4 is the schematic diagram that foot anchor tube is locked in the utility model.
Wherein: 1- steelframe；2- attachment base；The first connecting hole of 3-；The first bolt of 4-；5- location hole；The second connecting hole of 6-；7-
Lock foot anchor tube；8- positioning bolt；9- strip hole；The second bolt of 10-；11- country rock；12- side plate；13- bottom plate.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
The utility model is described in further detail with reference to the accompanying drawing:
As depicted in figs. 1 and 2, the one-above-the-other layout between the Tunnel steelframe of the utility model includes attachment base
2 and two lock foot anchor tubes 7 being connected firmly with attachment base 3；Attachment base 2 is consolidated by two L-type steel plates by strip hole 9 and the second bolt 10
Connection, overall U-shaped structure, wherein the fore-and-aft distance between steelframe 1 can be realized by the connection of strip hole 9 and the second bolt 10
Length adjustment；Attachment base 2 includes two side plates 12 and a length-adjustable bottom plate 13, and two side plates 12 of attachment base are provided with the
One connecting hole 3 is connected firmly by the first bolt 4 with steelframe 1；The two sides of attachment base bottom plate 13 are provided with two location holes 5, lock foot anchor
The front end of pipe 7 passes through location hole 5 and is embedded to country rock 11, and the rear end of lock foot anchor tube 7 is provided with the second connecting hole 6, passes through positioning bolt 8
It is fixed on the bottom plate 13 of attachment base 2.
The H-type or I-steel profile steel frame that steelframe 1 is disposed adjacent by two are welded, and 1 web of steelframe is equipped with bolt
Hole is connected firmly with the side plate 12 of attachment base 2, and the first connecting hole on every side plate of attachment base is two.Location hole 5 and lock foot anchor
It is clearance fit between pipe 7, convenient for passing through for lock foot anchor tube 7.The edge of location hole is greater than 50 far from the distance at junction steel plate edge
Mm keeps certain intensity.
As shown in figure 3, attachment base 2 is formed by connecting by two L-type steel plates, steel plate with a thickness of 13mm ~ 16mm, length can root
It is adjusted according to the spacing between steelframe, the length of strip hole is 100-300mm, and rigidity is determined by the wall rock condition of institute's supporting.
A kind of production method of one-above-the-other layout between Tunnel steelframe:
In the actual construction process, it should show and used steelframe type, steel are determined according to specific geology and design data
The steelframe spacing of longitudinally connected intensity, design required for frame and the diameter for locking foot anchor tube；The longitudinal rigidity according to needed for steelframe,
The diameter of steelframe spacing, the width of steelframe and lock foot anchor tube, precasts satisfactory attachment base outside hole.
A kind of on-site assembly method of longitudinal connection structure between Tunnel steelframe:
1) fixed steelframe 1；
2) the second bolt 10 is unclamped, the length of attachment base 2 is adjusted, so that the first connecting hole 1 and the bolt on shape steel web
Hole alignment, the first bolt 4 pass through the two, tighten and be linked together the two, then tighten second in the suitable position of strip hole 9
Bolt 10；
3) at steelframe arch springing, lock foot anchor tube 7 is passed through into location hole 5, its front end is embedded to country rock；
4) after lock foot anchor tube 7 passes through the embedment country rock of location hole 5, positioning bolt 8 is passed through into the second connecting hole 6, makes to lock foot anchor
The end of pipe 7 is fixed on the outside of attachment base bottom plate 13, so that steelframe 1 is fixed close on country rock 11.Prefabricated steel
After frame and attachment base complete, after the completion of waiting into hole stand to work, attachment base and steelframe are subjected to on-site assembly.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (7)
1. the one-above-the-other layout between a kind of Tunnel steelframe, it is characterised in that: including overall U-shaped structure attachment base
With the two lock foot anchor tubes connected firmly with attachment base；The attachment base is consolidated by two L-type steel plates by strip hole and the second bolt
Connection realizes the length adjustment of longitudinal direction between steelframe；The attachment base includes two side plates and a length-adjustable bottom
Two side plates of plate, attachment base are provided with the first connecting hole, are connected firmly by the first bolt with steelframe；The two sides of attachment base bottom plate are set
Two location holes are equipped with, the front end of lock foot anchor tube passes through location hole and is embedded to country rock, and the rear end of lock foot anchor tube is provided with the second connection
Hole is fixed on the bottom plate of attachment base by positioning bolt.
2. the one-above-the-other layout between Tunnel steelframe according to claim 1, it is characterised in that: location hole with
Locking is clearance fit between foot anchor tube.
3. the one-above-the-other layout between Tunnel steelframe according to claim 1, it is characterised in that: L-type steel plate
With a thickness of 13-16 mm.
4. the one-above-the-other layout between Tunnel steelframe according to claim 1, it is characterised in that: location hole
The edge of edge and attachment base bottom plate distance is greater than 50 mm.
5. the one-above-the-other layout between Tunnel steelframe according to claim 1, it is characterised in that: attachment base is every
The first connecting hole on side plate is two.
6. the one-above-the-other layout between Tunnel steelframe according to claim 1, it is characterised in that: strip hole
Length is 100-300mm.
7. the one-above-the-other layout between Tunnel steelframe according to claim 1, it is characterised in that: supporting steelframe
The H-type or I-shaped fashioned iron being disposed adjacent by two connect firmly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822052679.5U CN209277903U (en) | 2018-12-07 | 2018-12-07 | A kind of one-above-the-other layout between Tunnel steelframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822052679.5U CN209277903U (en) | 2018-12-07 | 2018-12-07 | A kind of one-above-the-other layout between Tunnel steelframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277903U true CN209277903U (en) | 2019-08-20 |
Family
ID=67610397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822052679.5U Expired - Fee Related CN209277903U (en) | 2018-12-07 | 2018-12-07 | A kind of one-above-the-other layout between Tunnel steelframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630296A (en) * | 2019-09-27 | 2019-12-31 | 中铁四局集团有限公司 | Recyclable length-adjustable tunnel temporary cross brace and using method |
-
2018
- 2018-12-07 CN CN201822052679.5U patent/CN209277903U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630296A (en) * | 2019-09-27 | 2019-12-31 | 中铁四局集团有限公司 | Recyclable length-adjustable tunnel temporary cross brace and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20191207 |