CN206267860U - A kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation - Google Patents
A kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation Download PDFInfo
- Publication number
- CN206267860U CN206267860U CN201621426806.8U CN201621426806U CN206267860U CN 206267860 U CN206267860 U CN 206267860U CN 201621426806 U CN201621426806 U CN 201621426806U CN 206267860 U CN206267860 U CN 206267860U
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- CN
- China
- Prior art keywords
- foot anchoring
- lock
- lock foot
- soft rear
- anchoring stock
- 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.)
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Abstract
The utility model discloses a kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation, including two soft rear firm lock foot anchoring stocks of elder generation and the U-shaped connecting lock positioned at rod end, two soft rear firm lock foot anchoring stocks of elder generation are joined together to form integrated supporting construction by U-shaped connecting lock；The free end of lock foot anchoring stock is provided with the elastic hemisphere and nut that can move back and forth along anchor pole axis direction, the portion of energy of the absorbable steel arch-shelf deformation of elastic hemisphere, and is fixed by described nut, there is provided first soft rear firm support pattern；U-shaped connecting lock includes two pipes similar to L-type for being arranged on anchor pole rod end, the free end of one of pipe is provided with nut body, the end of another pipe is provided with a bolt being engaged with described nut body, and two pipes form U-shaped connecting lock after being connected.
Description
Technical field
The utility model belongs to constructing tunnel support technology field, is related to a kind of soft rear firm lock foot anchoring stock combination supporting of elder generation
Device.
Background technology
During Tunnel Passing soft stratum, because weak surrounding rock self-stable ability is poor, easily in the construction during there is big change
Shape, causes just branch to ftracture, and the problems such as steel arch-shelf is distorted, hidden danger is brought to construction and later safe operation.Lock foot anchoring stock has
The characteristics of sedimentation of steel arch-shelf, raising supporting construction globality can effectively be controlled, so being widely used in Support System in Soft Rock Tunnels
In the middle of building.But in current work progress, lock foot anchoring stock is directly welded as a whole with steel arch-shelf, when bearing certain country rock
During pressure, because the weld strength of welding position is much smaller than steel arch-shelf and the bearing capacity limit of lock foot anchoring stock, cause lock foot anchoring stock
Too early loses support action；And lock foot anchoring stock only provides rigid protection mode, also cannot integrally change with adjacent anchor rod
Supporting construction, causes the control effect to steel arch-shelf deformation not satisfactory.
Utility model content
The utility model is to overcome the shortcomings of traditional lock foot anchoring stock, there is provided a kind of soft rear firm lock foot anchoring stock combination branch of elder generation
Protection unit.
The technical solution of the utility model is：
A kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation, including two soft rear firm lock foot anchoring stocks of elder generation and positioned at bar
Two soft rear firm lock foot anchoring stocks of elder generation are joined together to form integrated supporting by the U-shaped connecting lock at end, described U-shaped connecting lock
Structure；The free end of described lock foot anchoring stock is provided with the elastic hemisphere and nut that can move back and forth along anchor pole axis direction,
The portion of energy of the absorbable steel arch-shelf deformation of described elastic hemisphere, and fixed by described nut, there is provided it is first soft
Firm support pattern afterwards；
Described U-shaped connecting lock includes two pipes similar to L-type for being arranged on anchor pole rod end, one of pipe
Free end is provided with nut body, and the end of another pipe is provided with a bolt being engaged with described nut body, two
Pipe forms U-shaped connecting lock after being connected.
Further, described pipe is connected through a screw thread with the end of anchor pole, is provided with inside described pipe and anchor
The internal thread that the external screw thread of bar coordinates；Pipe is in close contact by spiral with elastic hemisphere hex nut, for it provides support
Power.
Further, described lock foot anchoring stock is inserted into different anchor holes, and is parallel to each other.
Further, the L-type pipe up and down or left and right described in two is symmetrical arranged.
Further, described nut body, bolt welding are on each self-corresponding pipe.
Further, described nut body is a solid column structure, and external screw thread is provided with outside it；Described
Bolt is a hollow column structure, and internal thread is provided with the inside of column structure, and described internal thread and external screw thread is mutual
Coordinate.
Further, described nut body, bolt welding are on each self-corresponding pipe.
Specific installation method is as follows：
A lock foot anchoring stock in same steel arch-shelf is inserted into the bolthole full of Anchor Agent by drilling, another
Lock foot anchoring stock is placed in another bolthole in the same way；Along the direction where bolthole, two lock pin are rotated
The movable spring hemisphere and hex nut of anchor pole free end, untill it cannot rotate；
One L-type pipe is installed in a rod end for lock foot anchoring stock, the rod end of another lock foot lever installs another L-type circle
Untill pipe, and two L-type pipes of rotation and hex nut close contact；
The nut body of one free end of L-type pipe is screwed into the bolt of another L-type pipe, so as to by two L
Type pipe is connected as one, and forms U-shaped connecting lock, and final two lock foot anchoring stocks form integrated supporting construction with U-shaped connecting lock.
Compared with traditional lock foot anchoring stock, the advantage of the present apparatus is：
Creative uses first soft rear firm support pattern, greatly enhances the support action effect of lock foot anchoring stock；Bar
The setting of U-shaped connecting lock is held, two lock foot anchoring stocks in same steel arch-shelf are connected into integrated supporting construction, improve supporting
Globality and bearing capacity, effectively control steel arch-shelf deformation, ensured the construction safety and operation security in tunnel.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is this combination supporting schematic device；
Fig. 2 is bolt schematic diagram；
Fig. 3 is hex nut body schematic diagram；
In figure：1 rock bolt head, 2 anchor poles, 3 elastic hemispheres and hex nut, 4 pipes, 5 bolts, 6 hex nut bodies, 7
Pipe.
Specific embodiment
Below in conjunction with the accompanying drawings 1,2 and example the utility model is further illustrated.
Overall structure of the present utility model as shown in figure 1, first soft rear firm lock foot anchoring stock combination supporting device, including two
First soft rear firm lock foot anchoring stock 2 and the U-shaped connecting lock positioned at rod end, described U-shaped connecting lock is by two soft rear firm lock pin of elder generation
Anchor pole is joined together to form integrated supporting construction.
Wherein, the rock bolt head 1 of lock foot anchoring stock is fixed in anchor hole, and free end is provided with can be along anchor pole axis direction back and forth
Mobile elastic hemisphere and hex nut 3, the portion of energy of the absorbable steel arch-shelf deformation of described elastic hemisphere, and pass through
Described hex nut is tightened, there is provided first soft rear firm support pattern；
U-shaped connecting lock includes two pipes 4 similar to L-type for being arranged on anchor pole rod end, the freedom of one of pipe 4
End is provided with hex nut body 6, and the end of another pipe 7 is provided with a spiral shell being engaged with described hex nut body 6
Bolt 5, two pipes 4,7 form U-shaped connecting lock after being connected.
Specifically as shown in figure 1, described nut body 6, bolt 5 are welded on each self-corresponding pipe；Wherein
Nut body 6, the position of bolt 5 can exchange.
Wherein nut body 6, bolt 5 concrete structure as shown in Figure 2,3；Nut body 6 is a column structure, at it
Outside is provided with external screw thread；Described bolt 5 is a hollow column structure, is provided with internal thread in the inside of column structure, institute
The internal thread and external screw thread stated cooperate.
Further, pipe 4,7 is connected through a screw thread with the end of anchor pole, be provided with inside described pipe 4,7 with
The internal thread that the external screw thread of anchor pole coordinates；Pipe 4,7 is in close contact after being screwed in along the direction where bolthole with hex nut,
For it provides holding power.
Further, two lock foot anchoring stocks are inserted into different anchor holes, and are parallel to each other.
Further, described in two L-type pipe 4,7 up and down or left and rights are symmetrical arranged.
Specific installation method is as follows：
By a lock foot anchoring stock in same steel arch-shelf by drilling, it is inserted into the bolthole full of Anchor Agent, it is another
Individual lock foot anchoring stock is arranged in another anchor hole in the same way, along the direction where bolthole, rotates anchor pole freedom
The movable spring hemisphere and hex nut 3 at end, untill it cannot rotate.
1#L types pipe 4 is installed in a lock foot anchoring stock rod end, another rod end installs 2#L types pipe 7, rotation to L-type circle
Untill pipe is in close contact with hex nut 3.
The hex nut body 6 of the free end of 1#L types pipe 4 is inserted in outwards rotation, just bolt 5 can be inserted in into hex nut body 6
In, so as to 1#L types pipe 4 be connected as one with 2#L types pipe 7, the U-shaped connecting lock of formation, final two lock foot anchoring stocks with it is U-shaped
Connecting lock forms integrated supporting construction.
Elastic hemisphere described in the utility model similar to a structure for sealing ring class, its Main Function be in order to
Portion of energy for absorbing steel arch-shelf deformation, it is closely sleeved on anchor pole.
Contacted with each other between elastic hemisphere and hex nut in the utility model, be not connected to, be two independent portions
Part, carries out rotation and tightens by hex nut, makes to be in close contact between elastic hemisphere and hex nut, forms the elder generation of integration
Firm supporting construction after soft.
In sum, the utility model is first soft rear firm by setting up elastic hemisphere and hex nut, creative using
Support pattern, greatly enhance the support action effect of lock foot anchoring stock；The setting of the U-shaped connecting lock of rod end, by same steel arch
Two lock foot anchoring stocks in frame are connected into integrated supporting construction, improve the globality and bearing capacity of supporting, effectively control
Steel arch-shelf deforms, and has ensured the construction safety and operation security in tunnel.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (6)
1. the soft rear firm lock foot anchoring stock combination supporting device of a kind of elder generation, it is characterised in that including two soft rear firm lock pin anchors of elder generation
Be joined together to form for two soft rear firm lock foot anchoring stocks of elder generation by bar and the U-shaped connecting lock positioned at rod end, described U-shaped connecting lock
Integrated supporting construction；The free end of described lock foot anchoring stock is provided with the elastic hemisphere that can move back and forth along anchor pole axis direction
Body and nut, the portion of energy of the absorbable steel arch-shelf deformation of described elastic hemisphere, and fixed by described nut,
First soft rear firm support pattern is provided；
Described U-shaped connecting lock includes two pipes similar to L-type for being arranged on anchor pole rod end, the freedom of one of pipe
End is provided with nut body, and the end of another pipe is provided with a bolt being engaged with described nut body, two pipes
U-shaped connecting lock is formed after being connected.
2. first soft rear firm lock foot anchoring stock combination supporting device as claimed in claim 1, it is characterised in that the L described in two
It is connected through a screw thread between type pipe and anchor pole, the interior spiral shell coordinated with the external screw thread of anchor pole is provided with inside described L-type pipe
Line.
3. first soft rear firm lock foot anchoring stock combination supporting device as claimed in claim 1, it is characterised in that described lock pin anchor
Bar is inserted into different anchor holes, and is parallel to each other.
4. first soft rear firm lock foot anchoring stock combination supporting device as claimed in claim 1, it is characterised in that the L described in two
Type pipe up and down or left and right is symmetrical arranged.
5. first soft rear firm lock foot anchoring stock combination supporting device as claimed in claim 1, it is characterised in that described nut sheet
Body, bolt welding are on each self-corresponding pipe.
6. first soft rear firm lock foot anchoring stock combination supporting device as claimed in claim 1, it is characterised in that described nut sheet
Body is a solid column structure, and external screw thread is provided with outside it；Described bolt is a hollow column structure, in post
The inside of shape structure is provided with internal thread, and described internal thread and external screw thread cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621426806.8U CN206267860U (en) | 2016-12-23 | 2016-12-23 | A kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621426806.8U CN206267860U (en) | 2016-12-23 | 2016-12-23 | A kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206267860U true CN206267860U (en) | 2017-06-20 |
Family
ID=59047939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621426806.8U Expired - Fee Related CN206267860U (en) | 2016-12-23 | 2016-12-23 | A kind of soft rear firm lock foot anchoring stock combination supporting device of elder generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206267860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523004A (en) * | 2016-12-23 | 2017-03-22 | 山东大学 | Rigid-after-flexible feet-lock bolt combined supporting device and installation method |
-
2016
- 2016-12-23 CN CN201621426806.8U patent/CN206267860U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523004A (en) * | 2016-12-23 | 2017-03-22 | 山东大学 | Rigid-after-flexible feet-lock bolt combined supporting device and installation 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: 20170620 Termination date: 20191223 |