CN206539357U - The quick grouting device of self-feeding anchor pile - Google Patents
The quick grouting device of self-feeding anchor pile Download PDFInfo
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- CN206539357U CN206539357U CN201720250501.4U CN201720250501U CN206539357U CN 206539357 U CN206539357 U CN 206539357U CN 201720250501 U CN201720250501 U CN 201720250501U CN 206539357 U CN206539357 U CN 206539357U
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- slip casting
- self
- anchor pile
- ball valve
- rod
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Abstract
The utility model discloses a kind of quick grouting device of self-feeding anchor pile, including the hollow self-feeding anchor pile body of rod（9）, the self-feeding anchor pile body of rod（9）Front end is installed by the drill bit with slurry outlet（10）, the self-feeding anchor pile body of rod（9）Drilling is stretched out in rear end（11）Aperture blowing just joint is connected afterwards（7）, reconnect only slurry ball valve（6）；The drilling（11）Slip casting bend pipe is inserted in aperture（2）Non- thread end, the slip casting bend pipe（2）Thread end（3）It is sequentially connected the first slip casting ball valve（4）With the second slip casting ball valve（5）；The drilling（11）Aperture is using sealing Anchor Agent（8）Closure.The utility model is reasonable in design, the quick slip casting of drilling can be realized, with good application value.
Description
Technical field
The utility model belongs to constructing tunnel technology field, specifically a kind of quick grouting device of self-feeding anchor pile.
Background technology
It is in powdered after the location of carbonaceous phyllite joint fissure pole development, excavation, it has hydrophily, meets cementization and show
As serious, water drilling is needed when anchor pole is set.The main purpose of water drilling is to utilize water cooling drill bit, reduces the loss of drill bit.Anchor pole
After the completion of setting, bolthole periphery, which forms purees in mud off, cement mortar and country rock bad adhesion, bolthole, can cause water
Mud slurry intensity declines, therefore the bolthole that phyllite section is set using water drilling needs borehole cleaning.The purpose of borehole cleaning is by hole
The disintegrating slag remained in wall and hole is removed, and the caking property of mortar and country rock is improved, so as to improve anchor-holding force of anchor bolt.
Tunnel Rock Bolt is typically using grouting rock bolt and combination hollow bolt.Described two anchor poles need borehole cleaning after drilling
Rockbolt installation operation is carried out again.Weak surrounding rock, fault belt cause drilling extremely easily to cave in, and drilling rod drilling is difficult to ensure that anchor
The straight property of rod aperture, for first punch empty after to install the scheme of anchor pole again be infeasible.
General grouting mode, first pulls out Grouting Pipe and blocks injected hole again, due to the presence of pressure in hole, slurry reflux meeting
Plumpness is caused to decline.
The content of the invention
The purpose of this utility model is to provide a kind of quick grouting device of self-feeding anchor pile, for complete drilling borehole cleaning,
Slip casting, only slurry operation, realize quick slip casting.
The utility model adopts the following technical scheme that realization：
A kind of quick grouting device of self-feeding anchor pile, including the hollow self-feeding anchor pile body of rod, the self-feeding anchor pile bar
The drill bit with slurry outlet is installed in body front end, and the self-feeding anchor pile body of rod rear end, which is stretched out after drilling, connects aperture blowing just joint, then
Ball valve is only starched in connection.
The drilling orifice inserts the non-thread end of slip casting bend pipe, and the thread end of the slip casting bend pipe is sequentially connected the first note
Starch ball valve and the second slip casting ball valve；The drilling orifice is using sealing Anchor Agent closure.
In use, the self-feeding anchor pile body of rod is hollow, integrate drilling rod, anchor pole, Grouting Pipe；Self-feeding anchor pile is using left-handed
Mode is crept into, and slurry outlet then sets i.e. helical form right-handed spiral design arrangement in opposite direction using with drilling rod on drill bit, it is to avoid beat
If during boring mud enter slurry outlet, occur boring mud plug-hole phenomenon.Self-feeding anchor pile is set after design length, is moved back bar
10cm, prevents drill bit from being wrapped by bottom hole boring mud, it is not necessary to which borehole cleaning process, the self-feeding anchor pile body of rod can be carried out by extracting the body of rod completely
Aperture blowing just joint is connected, only slurry ball valve is reconnected；Borehole cleaning is carried out using the body of rod as the external high-pressure air hose of borehole cleaning pipe.Borehole cleaning is completed
Afterwards, on the basis of hole cleaning device, bolthole is inserted at the non-thread end of slip casting bend pipe, aperture is blocked using Anchor Agent；Slip casting
Bend pipe connects first and second slip casting ball valve, finally connects Grouting Pipe and carries out slip casting.Grouting pipeline is using double ball valves, blast pipe（Anchor
Bar）Road is overflow after slurry using single ball valve, blast pipe, is first closed the only slurry ball valve of blast pipe, is continued slip casting and reach predetermined pressure, then
Close two slip casting ball valves of Grouting Pipe.
The quick grouting device of self-advancing type anchor described in the utility model has the following advantages that：
1st, the quick grouting device of self-feeding anchor pile can complete borehole cleaning operation, slip casting operation and only slurry operation.
2nd, drill bit injected hole uses helical form right-handed spiral, prevents in drilling process by boring mud plug-hole.
3rd, during borehole cleaning, by the use of the self-feeding anchor pile body of rod as air channel, purees in bolthole and disintegrating slag are removed.
4th, grouting pipeline is using double ball valves, and gas exhaust piping is using single ball valve, and all filling adaptors and ball valve are in slurries initial set
Detachable recycling afterwards.
The utility model is reasonable in design, the quick slip casting of drilling can be realized, with good application value.
Brief description of the drawings
Fig. 1 represents external grouting mode schematic diagram.
Fig. 2 represents self-feeding anchor pile borehole cleaning schematic diagram.
In figure：1- tunnel surroundings, 2- slip casting bend pipes, 3- slip casting bend pipe threads end, 4- the first slip casting ball valves, the slip castings of 5- second
Ball valve, 6- stops slurry ball valve, 7- aperture blowing just joint, 8- sealing Anchor Agents, the 9- self-feeding anchor pile bodies of rod, 10- drill bits, 11- drillings.
Embodiment
Book is described in detail to specific embodiment of the utility model below in conjunction with the accompanying drawings.
A kind of quick grouting device of self-feeding anchor pile, for completing borehole cleaning operation, slip casting operation and only slurry operation.Specific bag
The hollow self-feeding anchor pile body of rod 9 is included, the front end of the self-feeding anchor pile body of rod 9 installs the drill bit 10 with slurry outlet, works as application
During borehole cleaning operation, the rear end of the self-feeding anchor pile body of rod 9, which is stretched out after drilling 11, connects aperture blowing just joint 7, reconnects only slurry ball valve
6.When carrying out slip casting operation, the non-thread end of the aperture of the drilling 11 insertion slip casting bend pipe 2, the thread end 3 of the slip casting bend pipe 2
It is sequentially connected the first slip casting ball valve 4 and the second slip casting ball valve 5；11 apertures of the drilling are blocked using sealing Anchor Agent 8.
The self-feeding anchor pile body of rod 9 is hollow, integrates drilling rod, anchor pole, Grouting Pipe；Self-feeding anchor pile sets design length
Afterwards, bar 10cm is moved back, prevents drill bit from being wrapped by bottom hole boring mud, the body of rod is carried out as the external high-pressure air hose of borehole cleaning pipe clear
Hole.
Self-feeding anchor pile is crept into using left-handed spiral, and injected hole is arranged using helical form right-handed spiral on drill bit, prevents from boring
By boring mud plug-hole during entering.
During self-feeding anchor pile slip casting, grouting pipeline is overflow after slurry using double ball valves, gas exhaust piping using single ball valve, blast pipe,
Blast pipe ball valve is first closed, two ball valves of Grouting Pipe are then shut off.
Its annexation is：Drill bit 10 is connected the self-feeding anchor pile body of rod 9 by described hole cleaning device, is bored using rock bolting jumbo
Bar 10cm is retreated to projected depth；The self-feeding anchor pile body of rod 9 connects aperture blowing just joint 7, reconnects only slurry ball valve 6；Connect high pressure
Airduct carries out aperture blowing.
Described grouting device is on the basis of hole cleaning device, by the non-thread end insertion drilling 11 of slip casting bend pipe 2, aperture
8 are blocked using Anchor Agent；Slip casting bend pipe 2 is sequentially connected the first slip casting ball valve 4 and the second slip casting ball valve 5；Finally connect Grouting Pipe
Carry out slip casting.
Described only sizing device includes only slurry ball valve 6 and first slip casting ball valve 4, the second slip casting ball valve 5.
When specifically used, after the completion of self-feeding anchor pile is set, bar 10cm is moved back.Borehole cleaning operation is carried out, as shown in Fig. 2 will be certainly
Feeding anchor pile tail end connects aperture blowing just joint, then connects grouting stop-valve, finally connects high-pressure air hose.Grouting stop-valve is closed, is started empty
Press, slowly opens grouting stop-valve, confirms grouting stop-valve is reached into maximum after pipeline is unobstructed.During beginning, bolthole effluent is pureed
Thing, rotation grouting stop-valve makes air quantity by small unexpected increase, this reciprocal process, continues aperture blowing to self-feeding anchor pile and is not then exhausted from pureed
Thing, by air quantity regulation to maximum, last bolthole discharge powdered granule stops aperture blowing, and borehole cleaning is completed.
After the completion of borehole cleaning, lower air conduit is unloaded, slip casting bend pipe 2 is installed, slip casting operation is carried out, as shown in Figure 1.Sealed using Anchor Agent
Firmly bolthole（Drilling）With the space between anchor pole and slip casting bend pipe 2, anchorage length is not less than 0.5m.After sealing of hole half an hour, note
Starch bend pipe 2 and first slip casting ball valve 4 and the second slip casting ball valve 5 are installed, connect Grouting Pipe.Slip casting flexible pipe needs to be suspended on it with iron wire
On his self-feeding anchor pile, prevent it from dragging slip casting bend pipe, make sealing Anchor Agent cracking influence slip casting effect.To prevent slip casting process
Appropriate water reducer is added in cement mortar plugging, slurries.After slurries mixing is good, grouting pump slip casting is started, whole process should be filled continuously
Note, does not stop, when grouting pressure reaches 1.0MPa, suspends slip casting 15s, then proceedes to slip casting, is repeated several times until slip casting machine
Start pressure reaches 0.8MPa ~ 1.0MPa.Slurries are observed from the excessive pulpous state state of blast pipe, if overflowing slurry show bubble, illustrate bolthole
Interior slurries are not filled by full；When lasting outflow cement mortar non-foam illustrates that slip casting is full.After the slip casting of piece anchor pole of completion, first
The only slurry ball valve 6 of blast pipe is closed, two slip casting ball valves of Grouting Pipe is then shut off, unloads slip casting flexible pipe, be attached to another anchor
Bar, then slip casting.If the termination of pumping time is longer, the uneven mortar of leading portion should be bled off before to lower bolt grouting, to avoid blocking up
Hole.During whole slip casting, operating personnel answer close fit, are swift in motion, it is ensured that the continuity of slip casting process.It is whole in slurries
Before solidifying, any other load must not be tapped, collides or applied.Unloaded after slip casting 2h in filling adaptor, cleaning filling adaptor
Cement mortar, puts filling adaptor in order and uses next time.
Above example is merely to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiments to this
Utility model is described in detail, it will be appreciated by those skilled in the art that the technical scheme that can use for reference utility model is carried out
Modification or equivalent substitution, without departing from it is of the present utility model in a word and scope, be regarded as being included in the right of utility model
Within claimed range.
Claims (2)
1. a kind of quick grouting device of self-feeding anchor pile, it is characterised in that：Including the hollow self-feeding anchor pile body of rod（9）, it is described
The self-feeding anchor pile body of rod（9）Front end is installed by the drill bit with slurry outlet（10）, the self-feeding anchor pile body of rod（9）Rear end, which is stretched out, bores
Hole（11）Aperture blowing just joint is connected afterwards（7）, reconnect only slurry ball valve（6）；
The drilling（11）Slip casting bend pipe is inserted in aperture（2）Non- thread end, the slip casting bend pipe（2）Thread end（3）Successively
Connect the first slip casting ball valve（4）With the second slip casting ball valve（5）；The drilling（11）Aperture is using sealing Anchor Agent（8）Closure.
2. the quick grouting device of self-feeding anchor pile according to claim 1, it is characterised in that：The drill bit（10）Upper pulp
The arrangement in hole is used and rod boring opposite direction screw arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250501.4U CN206539357U (en) | 2017-03-15 | 2017-03-15 | The quick grouting device of self-feeding anchor pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250501.4U CN206539357U (en) | 2017-03-15 | 2017-03-15 | The quick grouting device of self-feeding anchor pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539357U true CN206539357U (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720250501.4U Expired - Fee Related CN206539357U (en) | 2017-03-15 | 2017-03-15 | The quick grouting device of self-feeding anchor pile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035738A (en) * | 2017-12-08 | 2018-05-15 | 中国矿业大学 | The anchoring process of more anchor pole simultaneous quantitative slip castings |
| CN108517877A (en) * | 2018-04-24 | 2018-09-11 | 青岛新华友建工集团股份有限公司 | Miscellaneous fill ultra-deep foundation pit consolidates slip casting combination double-row steel pipe stake supporting construction method |
| CN108979685A (en) * | 2018-08-13 | 2018-12-11 | 福州大学 | A kind of construction method using prestressed component suspension roof support mine broken rock |
| CN109026101A (en) * | 2018-09-13 | 2018-12-18 | 于守东 | A kind of mining anchor dispensing device and its application method |
-
2017
- 2017-03-15 CN CN201720250501.4U patent/CN206539357U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035738A (en) * | 2017-12-08 | 2018-05-15 | 中国矿业大学 | The anchoring process of more anchor pole simultaneous quantitative slip castings |
| CN108517877A (en) * | 2018-04-24 | 2018-09-11 | 青岛新华友建工集团股份有限公司 | Miscellaneous fill ultra-deep foundation pit consolidates slip casting combination double-row steel pipe stake supporting construction method |
| CN108517877B (en) * | 2018-04-24 | 2020-08-14 | 青岛新华友建工集团股份有限公司 | Supporting construction method combining consolidation grouting of hybrid filling ultra-deep foundation pit with double-row steel pipe piles |
| CN108979685A (en) * | 2018-08-13 | 2018-12-11 | 福州大学 | A kind of construction method using prestressed component suspension roof support mine broken rock |
| CN108979685B (en) * | 2018-08-13 | 2023-10-10 | 福州大学 | Construction method for supporting broken rock stratum of mine by adopting prestress component anchor rod |
| CN109026101A (en) * | 2018-09-13 | 2018-12-18 | 于守东 | A kind of mining anchor dispensing device and its application method |
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| 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: 20171003 Termination date: 20210315 |