CN207598276U - A kind of roadway support structure with screw-tightened bar - Google Patents
A kind of roadway support structure with screw-tightened bar Download PDFInfo
- Publication number
- CN207598276U CN207598276U CN201721456971.2U CN201721456971U CN207598276U CN 207598276 U CN207598276 U CN 207598276U CN 201721456971 U CN201721456971 U CN 201721456971U CN 207598276 U CN207598276 U CN 207598276U
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- screw
- bar
- tightened
- hole
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Abstract
The utility model discloses a kind of roadway support structures with screw-tightened bar, including arching frame and several screw-tightened bars, several are equidistantly provided on the arching frame and tightens screw hole；The screw-tightened bar includes the threaded rod and anchorage bar of integral structure, several slip casting annular grooves are equidistantly provided on the anchorage bar, it is hollow structure in the screw-tightened bar, is provided with through-hole on each slip casting annular groove, the through-hole is connected with the cavity in screw-tightened bar；The threaded rod is threadedly coupled with tightening screw hole, the anchorage bar is extended to outside arching frame, that arching frame can be allowed to be combined with tunnel palisades is more firm by adding screw threads for fastening bar for the utility model, supporting quality can be greatly promoted, the design of screw threads for fastening bar has practicality simple for structure, and cost is low, while the advantages that simple installation, global design has more vast market prospect, convenient for promoting.
Description
Technical field
The utility model is related to a kind of roadway support structure, specially a kind of roadway support knot with screw-tightened bar
Structure.
Background technology
China is coal production state maximum in the world today, is also the largest consumption of coal state, and coal mine is needed in exploitation
Tunnel is excavated, since tunnel is located underground, the upper stressor layer that palisades are born is very big, and progress suspension device is needed to carry out it
Support, the effect one of supporting construction are to ensure that the stability of roadway surrounding rock body；Two are to ensure that big collapse does not occur for roadway surrounding rock body
It collapses；Third, protection people's safety and object safety.
The support pattern of China's coal-mine tunnel mainly includes building arch supporting, suspension roof support, bolt-spary supports, Bolt net and jet at present
Supporting, cable bolting, arch support supporting, work stone supporting, armored concrete supporting, the combined supporting between also all kinds of supportings
Deng, wherein arch support supporting is applied relatively broad, when arch support carries out supporting, the knot of arching frame and tunnel palisades
It is better to close more secured supporting effect, therefore it is ten to design a kind of roadway support structure with screw-tightened bar in view of the above problems
Divide necessary.
Utility model content
The problem of for background technology, the utility model provide a kind of roadway support with screw-tightened bar
Structure.
To achieve the above object, the utility model provides following technical solution：A kind of tunnel branch with screw-tightened bar
Including arching frame and several screw-tightened bars, several make-ups are equidistantly provided on the arching frame for protection structure
Screw hole；The screw-tightened bar includes the threaded rod and anchorage bar of integral structure, is equidistantly provided on the anchorage bar several
A slip casting annular groove, the interior screw-tightened bar is hollow structure, and through-hole, the through-hole and spiral shell are provided on each slip casting annular groove
Cavity in rotation anchorage bar is connected；The threaded rod is threadedly coupled with tightening screw hole, and the anchorage bar extends to arching
Outside frame.
The utility model opens several mounting holes on the palisades of coal mine roadway first when mounted, then existing by arch
Support bracket is supported with palisades, and it is corresponding with the mounting hole of cutting that several on arching frame are tightened screw holes, by spiral shell
Rotation anchorage bar is penetrated from tightening hole to mounting hole, is threadedly coupled by the threaded rod on screw threads for fastening bar with tightening screw hole
It realizes and fixes, concrete mortar is injected into screw threads for fastening bar using slip casting machine after allowing, the concrete mortar of injection passes through through-hole
It flowing into mounting hole, the effect of slip casting annular groove is that concrete mortar is allowed to be combined with screw threads for fastening bar outer wall is even closer, until
After concrete mortar solidification completely, arching frame can be made to be securely fixed with tunnel palisades and connect.
As a kind of preferred technical solution of the utility model, the threaded rod tail end is connected with operation handle, the screw thread
Bar is threaded with sealing-plug by internal thread.
As a kind of preferred technical solution of the utility model, the length of the anchorage bar is 1-1.5 meters.
As a kind of preferred technical solution of the utility model, intermediate transverse girder is provided on the arching frame, it is described
Spaced set has several supporting rods between intermediate transverse girder and arching top of the trellis.
As a kind of preferred technical solution of the utility model, the column bottom supported on both sides of the arching frame, which is fixed, to be connected
It is connected to earth brace.
Compared with prior art, the beneficial effects of the utility model are：The utility model is by adding screw threads for fastening bar energy
Arching frame is enough allowed to be combined with tunnel palisades more firm, supporting quality, the design of screw threads for fastening bar can be greatly promoted
With practicality simple for structure, cost is low, while the advantages that simple installation, before global design has more wide market
Scape, convenient for promoting.
Description of the drawings
Fig. 1 is the utility model arching frame structure diagram；
Fig. 2 is the utility model arching frame and screw-tightened bar mounting structure schematic diagram；
Fig. 3 is the utility model screw-tightened rod structure schematic diagram；
In figure：1- arching framves；2- screw-tightened bars；3- tightens screw hole；4- threaded rods；5- anchorage bars；6- slip casting rings
Slot；7- through-holes；8- operation handles；9- sealing-plugs；10- intermediate transverse girders；11- supporting rods；12- earth braces；13- support columns.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment：
It please refers to Fig.1, Fig. 2 and Fig. 3, the utility model provide a kind of technical solution：A kind of lane with screw-tightened bar
Road supporting construction including arching frame 1 and several screw-tightened bars 2, is equidistantly provided with several on the arching frame 1
A make-up screw hole 3；The screw-tightened bar 2 includes the threaded rod 4 of integral structure and anchorage bar 5, the anchorage bar 5 first-class
Away from several slip casting annular grooves 6 are provided with, it is hollow structure in the screw-tightened bar 2, through-hole is provided on each slip casting annular groove 6
7, the through-hole 7 is connected with the cavity in screw-tightened bar 2；The threaded rod 4 is threadedly coupled with tightening screw hole 3, described tight
Gu bar 5 is extended to outside arching frame 1.
The utility model opens several mounting holes on the palisades of coal mine roadway first when mounted, then existing by arch
Support bracket 1 is supported with palisades, several make-up screw holes 3 on arching frame 1 are corresponding with the mounting hole dug, and is being incited somebody to action
Screw-tightened bar 2 from tighten screw hole 3 penetrate to mounting hole, by the threaded rod 4 on screw threads for fastening bar 2 with tighten screw hole 3 into
Row, which is threadedly coupled, realizes fixation, and concrete mortar, the concrete sand of injection are injected into screw threads for fastening bar 2 using slip casting machine after allowing
Slurry is flowed by through-hole 7 in mounting hole, and the effect of slip casting annular groove 6 allows concrete mortar to be combined with 2 outer wall of screw threads for fastening bar
It is even closer, until after concrete mortar solidification completely, arching frame can be made to be securely fixed with tunnel palisades and connect.
Specifically, 4 tail end of threaded rod is connected with operation handle 8, which is threaded with close by internal thread
Blocking 9, the effect of operation handle 8 are easy for turning screw threads for fastening bar 2, it are made to be threadedly coupled with tightening screw hole 3, sealing-plug 9 is then
It is for blocking the tail end of screw threads for fastening bar 2 opening, preventing concrete mortar from outflowing.
Specifically, the length of the anchorage bar 5 is 1-1.5 meters.
Specifically, intermediate transverse girder 10 is provided on the arching frame 1, the intermediate transverse girder 10 and arching frame 1
Spaced set has several supporting rods 11 between top, plays the firm effect of enhancing.
Specifically, 13 bottom of column supported on both sides of the arching frame 1 is fixedly connected with earth brace 12, it is used for and tunnel
Bottom is fixedly connected.
Based on above-mentioned, the utility model has the advantage that：The utility model can be allowed by adding screw threads for fastening bar
Arching frame is combined with tunnel palisades more to be consolidated, and can greatly promote supporting quality, the design of screw threads for fastening bar has
Practicality simple for structure, cost is low, while the advantages that simple installation, and global design has more vast market prospect, just
In popularization.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of roadway support structure with screw-tightened bar, it is characterised in that：Including arching frame（1）With several spiral shells
Revolve anchorage bar（2）, the arching frame（1）On be equidistantly provided with several tighten screw hole（3）；The screw-tightened bar（2）
Threaded rod including integral structure（4）With anchorage bar（5）, the anchorage bar（5）On be equidistantly provided with several slip casting annular grooves
（6）, the screw-tightened bar（2）Interior is hollow structure, each slip casting annular groove（6）On be provided with through-hole（7）, the through-hole
（7）With screw-tightened bar（2）Interior cavity is connected；The threaded rod（4）With tightening screw hole（3）It is threadedly coupled, the fastening
Bar（5）Extend to arching frame（1）It is external.
2. a kind of roadway support structure with screw-tightened bar according to claim 1, it is characterised in that：The screw thread
Bar（4）Tail end is connected with operation handle（8）, the threaded rod（4）Sealing-plug is threaded with by internal thread（9）.
3. a kind of roadway support structure with screw-tightened bar according to claim 1, it is characterised in that：The fastening
Bar（5）Length be 1-1.5 meters.
4. a kind of roadway support structure with screw-tightened bar according to claim 1, it is characterised in that：The arch
Support bracket（1）On be provided with intermediate transverse girder（10）, the intermediate transverse girder（10）With arching frame（1）It is equidistantly set between top
It is equipped with several supporting rods（11）.
5. a kind of roadway support structure with screw-tightened bar according to claim 1, it is characterised in that：The arch
Support bracket（1）Column supported on both sides（13）Bottom is fixedly connected with earth brace（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721456971.2U CN207598276U (en) | 2017-11-05 | 2017-11-05 | A kind of roadway support structure with screw-tightened bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721456971.2U CN207598276U (en) | 2017-11-05 | 2017-11-05 | A kind of roadway support structure with screw-tightened bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598276U true CN207598276U (en) | 2018-07-10 |
Family
ID=62758785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721456971.2U Expired - Fee Related CN207598276U (en) | 2017-11-05 | 2017-11-05 | A kind of roadway support structure with screw-tightened bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027496A (en) * | 2021-04-07 | 2021-06-25 | 凌振英 | Supporting device for in-out section of shallow-buried large-diameter shield tunnel |
-
2017
- 2017-11-05 CN CN201721456971.2U patent/CN207598276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027496A (en) * | 2021-04-07 | 2021-06-25 | 凌振英 | Supporting device for in-out section of shallow-buried large-diameter shield tunnel |
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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 |
Granted publication date: 20180710 Termination date: 20181105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |