CN206957752U - A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements - Google Patents
A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements Download PDFInfo
- Publication number
- CN206957752U CN206957752U CN201720482879.7U CN201720482879U CN206957752U CN 206957752 U CN206957752 U CN 206957752U CN 201720482879 U CN201720482879 U CN 201720482879U CN 206957752 U CN206957752 U CN 206957752U
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- CN
- China
- Prior art keywords
- lock foot
- foot anchoring
- anchoring stock
- steelframe
- bolt collar
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Abstract
The utility model discloses a kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements, belongs to Tunnel Engineering technical field.The utility model is made up of lock foot anchoring stock, supporting steelframe, fixed aunular sheet, left width bolt collar, right width bolt collar, bolt fastening.In the preparatory stage, first against lock foot anchoring stock termination（Side is connected with steelframe）Carry out screw thread process pretreatment；Secondly, according to lock foot anchoring stock design attitude and construction angle, fixed aunular sheet is welded in supporting steelframe corresponding position.In the construction stage, lock foot anchoring stock is constructed by fixed aunular sheet precise positioning before and after supporting steelframe, and the lock foot anchoring stock anchor connection of supporting steelframe both sides is turned into an entirety using prefabricated left width bolt collar, right width bolt collar, bolt fastening afterwards.Using the utility model structure, lock foot anchoring stock precisely construction and its firm connection with supporting steelframe can be achieved, the first branch whole structural stability in enhancing tunnel, effectively solve tunnel construction a great problem.
Description
Technical field
It the utility model is related to a kind of steelframe connecting elements, and in particular to a kind of prefabrication type tunnel lock foot anchoring stock connects with steelframe
Connection member, belong to Tunnel Engineering technical field.
Background technology
In recent years, greatly developing with railway construction, Tunnel Engineering project is more universal, involved engineering geology bar
Part is increasingly sophisticated.When carrying out tunnel main tunnel, service gallery or attached cavern con struction in the poor location of country rock, Bracing Process in the early stage
In usually require in abutment wall scope to add lock foot anchoring stock, to strengthen just branch whole structural stability, prevent arch springing from shrinking and falling arch.
However, when carrying out tunnel main tunnel, service gallery or attached cavern con struction in the poor location of country rock.
However, lock foot anchoring stock and supporting steelframe, work are connected by the way of reinforcement welding mostly in work progress at present
Skill is excessively single, and welding sequence is cumbersome, ineffective, and the engineering accident thereby resulted in happens occasionally.
The content of the invention
The purpose of this utility model is solve current tunnel support steelframe and the bad engineering of lock foot anchoring stock connection effect
Problem, propose a set of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements：And realize connecting elements standardization and factory's metaplasia
Production.
The technical solution of the utility model is：A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements, its feature exist
In：Connecting elements is by anchor pole（1）, supporting steelframe（2）, fixed aunular sheet（3）, left width bolt collar（4）, right width bolt collar（5）
And bolt fastening（6）Composition；In the preparatory stage, first to lock foot anchoring stock（1）Termination carries out tapping thread processing pretreatment；Then according to
Lock foot anchoring stock（1）Design attitude and construction angle, by fixed aunular sheet（3）It is welded on supporting steelframe（2）Front and rear edge of a wing opening position；
Construction stage, lock foot anchoring stock（1）Through supporting steelframe（2）Two pieces of fixed aunular sheets on the front and rear edge of a wing（3）In preformed hole after, precisely
Positioning is constructed into lithosphere, recycles prefabricated left width bolt collar afterwards（4）, right width bolt collar（5）And bolt fastening（6）
By supporting steelframe（2）The lock pin lock foot anchoring stock of both sides（1）Anchor connection turns into an entirety.
The lock foot anchoring stock（1）For grouting rock bolt, a diameter of 22mm or 25mm；With supporting steelframe（2）The lock of side connection
Pin anchor pole（1）Termination need to carry out thread tapping processing pretreatment, lock foot anchoring stock early stage in construction（1）The length of ends screw section is
5~10cm。
The supporting steelframe（2）For profile steel frame, model I14, I16, I18, I20 or I22 type.
The fixed aunular sheet（3）For section steel plate, thickness 10mm；Reserved aperture in fixed aunular sheet should be greater than locking pin anchor
Bar（1）Mm-the 2mm of diameter 1, i.e. preformed hole a diameter of 24mm or 27mm；Fixed aunular sheet（3）Width is 10mm, fixed aunular sheet
（3）Outline and bolt collar（4、5）Overall linking.
The left width bolt collar（4）With right width bolt collar（5）It is made of shaped steel, bolt collar（4、5）Internal diameter
With lock foot anchoring stock（1）Match, a diameter of 22mm or 25mm；Bolt collar（4、5）Inside it is provided with and lock foot anchoring stock（1）Anchor connection
Use screw thread；Bolt collar（4、5）Thickness is 10mm, bolt collar（4、5）External diameter and lock foot anchoring stock（1）Diameter matches, bolt
Sleeve（4、5）A diameter of 32mm or 35mm；Bolt collar（4、5）The thickness of junction steel plate is 10mm.
The bolt fastening（6）It is made of shaped steel, bolt fastening（6）With left width bolt collar（4）With right width bolt sleeve
Cylinder（5）It is used cooperatively jointly；Lock foot anchoring stock（1）After the completion of construction, by left width bolt collar（（4）With right width bolt collar（5）Point
Not with left and right sides lock foot anchoring stock（1）Screw thread anchor connection, finally recycles bolt fastening（6）By left width bolt collar（4）And the right side
Width bolt collar（5）It is connected as an entirety.
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. it is directed to lock foot anchoring stock termination（Side is connected with steelframe）Screw thread process is carried out in advance（Attack
Silk）Pretreatment；2. according to the design attitude of lock foot anchoring stock and construction angle, before fixed aunular sheet is welded on into supporting steelframe in advance
Edge of a wing corresponding position afterwards.
（2）Construct the progress stage：1. utilize four pieces of fixed aunular sheets for being welded in the edge of a wing before and after supporting steelframe 2（3）To lock
The precise positioning of pin anchor pole 1, and carry out the installation that lock foot anchoring stock 1 fixes rock；After the completion of 2. lock foot anchoring stock 1 is constructed, by a left side
Width bolt collar 4 and the screw thread anchor connection of lock foot anchoring stock 1 with the left and right sides respectively of right width bolt collar 5；3. utilize bolt buckle
Part 6 is by left width bolt collar 4 and 5 mutual snapping of right width bolt collar and is connected as an entirety.
Have the beneficial effect that：Using the utility model connecting elements can realize lock foot anchoring stock precisely construction and its with supporting steelframe
Firm connection, the first branch whole structural stability in enhancing tunnel, effectively solve current tunnel construction a great problem；Secondly,
The connecting elements can be all prefabricated in Construction in Preparatory Stage, realizes factory normalization, mass production, and working procedure is easy to be fast
Victory, construction value and social benefit are notable.
Brief description of the drawings
Fig. 1：The utility model prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements.
Fig. 2：The utility model lock foot anchoring stock ends screw pre-processes.
Fig. 3：The utility model fixed aunular sheet drawing.
Fig. 4：The utility model steelframe pre-processes with fixed aunular sheet welding.
Fig. 5：The utility model bolt collar prefabricated components plane drawing.
Fig. 6：The utility model bolt collar prefabricated components facade drawing.
Fig. 7：The decomposition drawing of the utility model bolt collar prefabricated components.
In figure respectively marked as：1-lock foot anchoring stock；2-supporting steelframe；3-fixed aunular sheet；4-left width bolt collar；5—
Right width bolt collar；6-bolt fastening.
Embodiment
The utility model is described in further detail below by drawings and examples, but protection model of the present utility model
Enclose and be not limited to the content.
Embodiment：As shown in Fig. 1 ~ Fig. 7, a kind of prefabrication type tunnel lock foot anchoring stock of the utility model and steelframe connecting elements,
It is made up of lock foot anchoring stock 1, supporting steelframe 2, fixed aunular sheet 3, left width bolt collar 4, right width bolt collar 5, bolt fastening 6.
Preparatory stage, first against the termination of lock foot anchoring stock 1（Side is connected with steelframe）Carry out screw thread process pretreatment；Secondly, according to lock
The design attitude of pin anchor pole 1 and construction angle, the corresponding position of supporting steelframe 2 is welded in by fixed aunular sheet 3.In the construction stage, lock
Pin anchor pole 1 is constructed by the precise positioning of fixed aunular sheet 3 before and after supporting steelframe 2, utilizes prefabricated left width bolt collar 4, right width afterwards
The anchor connection of 2 both sides lock foot anchoring stock of supporting steelframe 1 is turned into an entirety by bolt collar 5, bolt fastening 6.
Wherein, lock foot anchoring stock 1 is grouting rock bolt, a diameter of 22mm or 25mm；The termination of 2 side lock foot anchoring stock of supporting steelframe 1
Screw thread process pretreatment is carried out in construction early stage, and thread segment rock-bolt length is 5 ~ 10cm.Supporting steelframe 2 is profile steel frame, model
For I14, I16, I18, I20 or I22 type.Fixed aunular sheet 3 is section steel plate, thickness 10mm；Ring plate reserves aperture and should be greater than locking
The diameter 2mm of pin anchor pole 1, i.e. ring plate a diameter of 24mm or 27mm；Ring plate width is 10mm, and outline is overall with bolt collar 4,5
Linking.Bolt collar（Left width）4 and bolt collar（Right width）5 are made of shaped steel, and sleeve diameter is consistent with lock foot anchoring stock 1, directly
Footpath is 22mm or 25mm；Sleeve inner is threaded and the anchor connection of lock foot anchoring stock 1；Sleeve thickness is 10mm, sleeve outer diameter root
Determined according to the diameter of lock foot anchoring stock 1, a diameter of 32mm or 35mm；Sleeve connection steel plate thickness is 10mm, and width is consistent with diameter.Spiral shell
Bolt fastener 6 is made of shaped steel, and bolt fastening Basic Design is in left width bolt collar 4, and a small amount of part design is in right width bolt
In sleeve 5.After the completion of lock foot anchoring stock 1 is constructed, by left width bolt collar 4 and right width bolt collar 5 the lock pin with left and right sides respectively
The anchoring threaded connection of anchor pole 1, finally recycles bolt fastening 6 to be connected as left width bolt collar 4 and the right snapping of width bolt collar 5
One entirety.The connecting elements is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
Using the utility model structure, lock foot anchoring stock precisely construction and its firm connection with supporting steelframe can be achieved, increase
The strong first branch whole structural stability in tunnel, effectively solves tunnel construction a great problem.
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 (7)
1. a kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements, it is characterised in that：Connecting elements is by anchor pole（1）, supporting
Steelframe（2）, fixed aunular sheet（3）, left width bolt collar（4）, right width bolt collar（5）And bolt fastening（6）Composition；First to locking pin
Anchor pole（1）Termination carries out tapping thread processing pretreatment, by fixed aunular sheet（3）It is welded on supporting steelframe（2）Front and rear edge of a wing position
Place；Lock foot anchoring stock（1）Through supporting steelframe（2）Two pieces of fixed aunular sheets on the front and rear edge of a wing（3）In preformed hole after, precise positioning is applied
Work is in lithosphere, then with prefabricated left width bolt collar（4）, right width bolt collar（5）And bolt fastening（6）By supporting steelframe
（2）The lock foot anchoring stock of both sides（1）Anchor connection turns into an entirety.
2. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The lock pin
Anchor pole（1）For grouting rock bolt, a diameter of 22mm or 25mm；With supporting steelframe（2）The lock foot anchoring stock of side connection（1）Applying termination
Work need to carry out thread tapping processing pretreatment, lock foot anchoring stock early stage（1）The length of ends screw section is 5 ~ 10cm.
3. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The supporting
Steelframe（2）For profile steel frame, model I14, I16, I18, I20 or I22 type.
4. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The positioning
Ring plate（3）For section steel plate, thickness 10mm；Reserved aperture in fixed aunular sheet should be greater than lock foot anchoring stock（1）The mm of diameter 1-
2mm, i.e. preformed hole a diameter of 24mm or 27mm；Fixed aunular sheet（3）Width is 10mm, fixed aunular sheet（3）Outline and bolt
Sleeve（4、5）Overall linking.
5. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The left width
Bolt collar（4）With right width bolt collar（5）It is made of shaped steel, bolt collar（4、5）Internal diameter and lock foot anchoring stock（1）Phase
Match somebody with somebody, a diameter of 22mm or 25mm；Bolt collar（4、5）Inside it is provided with and lock foot anchoring stock（1）Anchor connection screw thread；Bolt collar
（4、5）Thickness is 10mm, bolt collar（4、5）External diameter and lock foot anchoring stock（1）Diameter matches, bolt collar（4、5）Diameter
For 32mm or 35mm；Bolt collar（4、5）The thickness of junction steel plate is 10mm.
6. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The bolt
Fastener（6）It is made of shaped steel, bolt fastening（6）With left width bolt collar（4）With right width bolt collar（5）Common cooperation makes
With；Lock foot anchoring stock（1）After the completion of construction, by left width bolt collar（4）With right width bolt collar（5）Respectively with left and right side chain pin anchor
Bar（1）Screw thread anchor connection, finally recycles bolt fastening（6）By left width bolt collar（4）With right width bolt collar（5）Connection
For an entirety.
7. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The connection
Component is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482879.7U CN206957752U (en) | 2017-05-03 | 2017-05-03 | A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482879.7U CN206957752U (en) | 2017-05-03 | 2017-05-03 | A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206957752U true CN206957752U (en) | 2018-02-02 |
Family
ID=61373257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720482879.7U Expired - Fee Related CN206957752U (en) | 2017-05-03 | 2017-05-03 | A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206957752U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968695A (en) * | 2017-05-03 | 2017-07-21 | 云南建投基础工程有限责任公司 | A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements |
| CN108678791A (en) * | 2018-07-12 | 2018-10-19 | 西安科技大学 | A kind of novel combined lock foot anchoring stock node apparatus |
| CN108678791B (en) * | 2018-07-12 | 2024-05-28 | 西安科技大学 | Novel combined type lock foot stock node device |
-
2017
- 2017-05-03 CN CN201720482879.7U patent/CN206957752U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968695A (en) * | 2017-05-03 | 2017-07-21 | 云南建投基础工程有限责任公司 | A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements |
| CN106968695B (en) * | 2017-05-03 | 2023-10-20 | 云南建投基础工程有限责任公司 | Prefabricated tunnel lock foot stock and steelframe connecting element |
| CN108678791A (en) * | 2018-07-12 | 2018-10-19 | 西安科技大学 | A kind of novel combined lock foot anchoring stock node apparatus |
| CN108678791B (en) * | 2018-07-12 | 2024-05-28 | 西安科技大学 | Novel combined type lock foot stock node device |
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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 |