CN206957744U - A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements - Google Patents
A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements Download PDFInfo
- Publication number
- CN206957744U CN206957744U CN201720482901.8U CN201720482901U CN206957744U CN 206957744 U CN206957744 U CN 206957744U CN 201720482901 U CN201720482901 U CN 201720482901U CN 206957744 U CN206957744 U CN 206957744U
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- CN
- China
- Prior art keywords
- lock foot
- foot anchoring
- anchoring stock
- supporting steelframe
- tunnel
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Abstract
The utility model discloses a kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements, belong to Tunnel Engineering technical field.The utility model is by supporting steelframe（1）, lock foot anchoring stock（2）, positioning steel loop piece（3）, bolt fastener（4）Composition.The utility model proposes a kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements：In Construction in Preparatory Stage, according to lock foot anchoring stock（1）Construction location and angle, steel loop piece will be positioned（3）It is welded in supporting steelframe（2）Front and rear edge of a wing both sides, and by prefabricated bolt fastener（4）It is welded in supporting steelframe（2）Outer side wing edge plate face；In the construction stage, first with positioning steel loop piece（3）Carry out lock foot anchoring stock（1）Precise positioning is constructed, afterwards by both sides lock foot anchoring stock（1）End bending is docked and utilizes bolt fastener（4）Anchoring locking.Using the utility model structure, it is ensured that tunnel lock foot anchoring stock is precisely constructed and its is firmly connected with supporting steelframe, the first branch whole structural stability in enhancing tunnel, effectively solves current lock foot anchoring stock and the bad engineering roadblock of supporting steelframe connection effect.
Description
Technical field
It the utility model is related to a kind of steelframe connecting elements, and in particular to a kind of tunnel lock foot anchoring stock is connected with supporting steelframe
Component, belong to Tunnel Engineering technical field.
Background technology
With greatly developing for railway construction, Tunnel Engineering construction condition is increasingly sophisticated.For the tunnel in the poor location of country rock
Road engineering construction, usually require to set lock foot anchoring stock in abutment wall scope in excavation and support processes, it is overall to strengthen just branch structure
Stability, prevent arch springing from shrinking and falling arch.When carrying out tunnel excavation in the poor location of hydrogeological and engineering geological conditions, it usually needs
Abutment wall adds lock foot anchoring stock, and is an entirety with the anchor connection of supporting steelframe, to strengthen just branch whole structural stability, prevents
Arch springing shrinks and fallen arch.
Tunnel construction welds the side of supporting steelframe and lock foot anchoring stock simultaneously using reinforcing bar, steel pipe or steel plate mostly at present
Formula connects, and construction technology is excessively simple, and welding sequence is excessively cumbersome in hole, and execution conditions are poor, ultimately results in connection effect
Bad, the engineering accident thereby resulted in happens occasionally.
The content of the invention
The purpose of this utility model is to solve current tunnel lock foot anchoring stock and supporting steelframe connecting elements in a jumble and effect
Bad engineering problem, there is provided a kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements, the connecting elements can be in early stages of constructing
Prefabrication, it can be realized firm with supporting steelframe while the construction of lock foot anchoring stock precise positioning is ensured using the attachment structure
Connection, the first branch whole structural stability in enhancing tunnel, realizes connecting elements standardization and factorial praluction.
The technical solution of the utility model is：A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements, it is characterised in that：
Connecting elements is by supporting steelframe（1）, lock foot anchoring stock（2）, positioning steel loop piece（3）, bolt fastener（4）Composition, in preparation of construction
Stage, according to lock foot anchoring stock（2）Construction location and angle, steel loop piece will be positioned（3）It is welded in supporting steelframe（1）The front and rear edge of a wing two
Side, and by prefabricated bolt fastener（4）It is welded in supporting steelframe（1）Outer side wing edge plate face；In the construction stage, first with positioning
Steel loop piece（3）Carry out lock foot anchoring stock（2）Precise positioning is constructed, afterwards by both sides lock foot anchoring stock（2）End is right after bending 90 degree
Connect and utilize bolt fastener（4）Anchoring locking lock foot anchoring stock（2）Docking port is bent, allows supporting steelframe 1 to be fixed on country rock.
The supporting steelframe（1）Using profile steel frame, model I14, I16, I18, I20 or I22 type, with specific reference to tunnel
Excavated section size and Analysis of Field Geotechnical Parameters selection.
The lock foot anchoring stock（2）Using grouting rock bolt, a diameter of 22mm or 25mm, with specific reference to tunnel excavation cross dimensions
And Analysis of Field Geotechnical Parameters selection.
The positioning steel loop piece（3）It is made of steel plate, steel plate thickness 10mm；Steel plate is provided with a preformed hole, reserves
The aperture in hole should be greater than lock foot anchoring stock（1）Mm-the 2mm of diameter 1, i.e. ring plate preformed hole a diameter of 24mm or 27mm；Position steel loop
Piece（3）It is rectangular, length × wide=60mm × 50mm, the short side and supporting steelframe of positioning steel loop piece（1）Welded on the outside of the edge of a wing.
The bolt fastener（4）It is made up of fastener case and bolt two parts, fastener case internal diameter and lock pin anchor
Bar（2）Diameter is identical, as 22mm or 25mm；Bolt uses M16 high-strength bolts；Fastener case welds in Construction in Preparatory Stage
In supporting steelframe（1）Outer side wing edge plate face centre position.
The connecting elements is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
The utility model has the beneficial effect that：The utility model connecting elements can be pre- in construction factory normalization early stage production
System, can be while the construction of lock foot anchoring stock precise positioning be ensured using the structure, and realization is firmly connected with supporting steelframe, strengthens tunnel
The first branch whole structural stability in road.
Brief description of the drawings
Fig. 1：The utility model tunnel lock foot anchoring stock and supporting steelframe connecting elements.
Fig. 2：The utility model lock foot anchoring stock termination bending process drawing.
Fig. 3：The utility model positions steel loop plate plane drawing.
Fig. 4：The utility model bolt fastener drawing.
Fig. 5：The utility model steelframe and positioning steel loop piece welding pretreatment drawing.
Fig. 6：The utility model steelframe and bolt fastener welding pretreatment drawing.
In figure respectively marked as：1-supporting steelframe；2-lock foot anchoring stock；3-positioning steel loop piece；31-preformed hole；4-bolt
Fastener.
Embodiment
The utility model is described in further detail below by drawings and examples, but protection domain is not limited to institute
State content.
A kind of tunnel lock foot anchoring stock of the utility model and supporting steelframe connecting elements, by supporting steelframe 1, lock foot anchoring stock 2, determine
Position steel loop piece 3, bolt fastener 4 form.In Construction in Preparatory Stage, according to the construction location of lock foot anchoring stock 2 and angle, steel will be positioned
Ring plate 3 is welded in edge of a wing both sides before and after supporting steelframe 1, and the fastener case in prefabricated bolt fastener 4 is welded in into supporting
The outer side wing edge plate face of steelframe 1；In the construction stage, lock foot anchoring stock 2 first is carried out precisely fixed through the preformed hole in positioning steel loop piece 3
Position construction, it is mutually butted after the end segment of lock foot anchoring stock 2 of both sides two is bent into 90 degree afterwards, then is anchored with bolt fastener 4
Locking, supporting steelframe 1 is fixed on.
The supporting steelframe 1 uses profile steel frame, model I14, I16, I18, I20 or I22 type, is opened with specific reference to tunnel
Dig cross dimensions and Analysis of Field Geotechnical Parameters selection.
The lock foot anchoring stock 2 uses grouting rock bolt, a diameter of 22mm or 25mm, with specific reference to tunnel excavation cross dimensions and
Analysis of Field Geotechnical Parameters selects.
The positioning steel loop piece 3 is made of section steel plate, steel plate thickness 10mm；The aperture for positioning steel disc preformed hole should
More than the diameter 1-2mm of lock foot anchoring stock 1, that is, position preformed hole a diameter of 24mm or 27mm in steel loop piece；It is square to position steel loop piece
Shape, length × wide=60mm × 50mm, the short side of steel loop piece is positioned with being welded on the outside of the edge of a wing of supporting steelframe 1.
The bolt fastener 4 is made of section steel plate, is made up of fastener case and bolt two parts, outside fastener
Shell internal diameter is identical with the diameter of lock foot anchoring stock 1, as 22mm or 25mm；Bolt uses M16 high-strength bolts；Fastener case is being constructed
Preparatory stage is welded in supporting steelframe outer side wing edge plate face.
The connecting elements is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
Embodiment：As shown in Fig. 1 ~ Fig. 6, a kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements, by supporting steelframe 1,
Lock foot anchoring stock 2, positioning steel loop piece 3, bolt fastener 4 form.In Construction in Preparatory Stage, according to the construction location of lock foot anchoring stock 1 and
Angle, the short side for positioning steel loop piece 3 is welded in edge of a wing both sides before and after supporting steelframe 2, and prefabricated bolt fastener 4 is welded in
The outer side wing edge plate face of supporting steelframe 2；In the construction stage, carry out the precise positioning of lock foot anchoring stock 1 first with positioning steel loop piece 3 and apply
Work, the end of both sides lock foot anchoring stock 1 is bent into 90 degree of docking, the bending end docking port bolt of lock foot anchoring stock 1 after docking afterwards
The anchoring locking of fastener 4, allows supporting steelframe 1 to be fixed on country rock.
Wherein, supporting steelframe 1 uses profile steel frame, model I14, I16, I18, I20 or I22 type, with specific reference to tunnel
Excavated section size and Analysis of Field Geotechnical Parameters selection.Lock foot anchoring stock 2 uses grouting rock bolt, a diameter of 22mm or 25mm, with specific reference to tunnel
Wide open digging cross dimensions and Analysis of Field Geotechnical Parameters selection.Positioning steel loop piece 3 is made of section steel plate, steel plate thickness 10mm；Steel disc
Reserved aperture should be greater than the diameter 1-2mm of lock foot anchoring stock 1；Preformed hole a diameter of 24mm or 27mm i.e. in ring plate；Steel disc is rectangle, long
× wide=60mm × 50mm, the short side of rectangle steel disc on the outside of the edge of a wing of supporting steelframe 1 with welding.Bolt fastener 4 is by fastener case
Form, be made of section steel plate, fastener case internal diameter is identical with the diameter of lock foot anchoring stock 1, as 22mm with bolt two parts
Or 25mm；Bolt uses M16 high-strength bolts；Fastener case is welded in supporting steelframe outer side wing edge plate in Construction in Preparatory Stage
Face.The connecting elements is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
The utility model is as follows using step：
（1）Construction in Preparatory Stage：1. according to lock foot anchoring stock construction location and angle, the short side for positioning steel loop piece 3 is welded
The edge of a wing both sides before and after supporting steelframe 1, the preformed hole of positioning steel loop piece 3 stretch to outside,；2. prefabricated bolt fastener 4, and will be pre-
The fastener case of bolt fastener 4 processed is pre-welded to the outer side wing edge plate face centre position of supporting steelframe 1.
（2）Construct the progress stage：1. the precise positioning of lock foot anchoring stock 2 is constructed using the preformed hole for positioning steel loop piece 3；2. will
The both sides lock foot anchoring stock end of supporting steelframe 1 is docked after bending 90 degree, and utilizes the lock after bolt fastener anchoring locking bending
Pin anchor pole end.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (6)
1. a kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements, it is characterised in that：Connecting elements is by supporting steelframe（1）, lock
Pin anchor pole（2）, positioning steel loop piece（3）, bolt fastener（4）Composition, steel loop piece will be positioned（3）It is welded in supporting steelframe（1）Before
Edge of a wing both sides afterwards, and by prefabricated bolt fastener（4）It is welded in supporting steelframe（1）Outer side wing edge plate face；Using positioning steel loop piece
（3）Carry out lock foot anchoring stock（2）Positioning, by both sides lock foot anchoring stock（2）End is docked after bending 90 degree, utilizes bolt fastener
（4）Anchoring locking lock foot anchoring stock（2）Docking port is bent, allows supporting steelframe（1）It is fixed on country rock.
2. tunnel lock foot anchoring stock according to claim 1 and supporting steelframe connecting elements, it is characterised in that：The Support Steel
Frame（1）Using profile steel frame, model I14, I16, I18, I20 or I22 type, with specific reference to tunnel excavation cross dimensions and country rock
Parameter selects.
3. tunnel lock foot anchoring stock according to claim 1 and supporting steelframe connecting elements, it is characterised in that：The lock pin anchor
Bar（2）Using grouting rock bolt, a diameter of 22mm or 25mm, selected with specific reference to tunnel excavation cross dimensions and Analysis of Field Geotechnical Parameters.
4. tunnel lock foot anchoring stock according to claim 1 and supporting steelframe connecting elements, it is characterised in that：The positioning steel
Ring plate（3）It is made of steel plate, steel plate thickness 10mm；Steel plate is provided with a preformed hole, and the aperture of preformed hole should be greater than locking pin
Anchor pole（2）Mm-the 2mm of diameter 1, i.e. ring plate preformed hole a diameter of 24mm or 27mm；Position steel loop piece（3）It is rectangular, long × wide=
60mm × 50mm, position the short side and supporting steelframe of steel loop piece（1）Welded on the outside of the edge of a wing.
5. tunnel lock foot anchoring stock according to claim 1 and supporting steelframe connecting elements, it is characterised in that：The bolt is tight
Firmware（4）It is made up of fastener case and bolt two parts, fastener case internal diameter and lock foot anchoring stock（2）Diameter is identical, is
22mm or 25mm；Bolt uses M16 high-strength bolts；Fastener case is welded in supporting steelframe in Construction in Preparatory Stage（1）Outside
Edge of a wing plate face centre position.
6. tunnel lock foot anchoring stock according to claim 1 and supporting steelframe connecting elements, it is characterised in that：The connection structure
Part is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482901.8U CN206957744U (en) | 2017-05-03 | 2017-05-03 | A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482901.8U CN206957744U (en) | 2017-05-03 | 2017-05-03 | A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206957744U true CN206957744U (en) | 2018-02-02 |
Family
ID=61373987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720482901.8U Expired - Fee Related CN206957744U (en) | 2017-05-03 | 2017-05-03 | A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206957744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907165A (en) * | 2017-05-03 | 2017-06-30 | 云南建投基础工程有限责任公司 | A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements |
-
2017
- 2017-05-03 CN CN201720482901.8U patent/CN206957744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907165A (en) * | 2017-05-03 | 2017-06-30 | 云南建投基础工程有限责任公司 | A kind of tunnel lock foot anchoring stock and supporting steelframe connecting elements |
| CN106907165B (en) * | 2017-05-03 | 2023-10-20 | 云南建投基础工程有限责任公司 | Connecting component for tunnel foot locking anchor rod and supporting steel frame |
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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: 20180202 Termination date: 20210503 |