CN206874297U - A kind of collection drilling, slip casting, it is anchored in integral novel anchor rod - Google Patents
A kind of collection drilling, slip casting, it is anchored in integral novel anchor rod Download PDFInfo
- Publication number
- CN206874297U CN206874297U CN201720702572.3U CN201720702572U CN206874297U CN 206874297 U CN206874297 U CN 206874297U CN 201720702572 U CN201720702572 U CN 201720702572U CN 206874297 U CN206874297 U CN 206874297U
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- China
- Prior art keywords
- rod
- slip casting
- anchored
- anchor rod
- anchor
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 34
- 238000005553 drilling Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000011435 rock Substances 0.000 abstract description 13
- 238000004873 anchoring Methods 0.000 abstract description 5
- 239000004568 cement Substances 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000007596 consolidation process Methods 0.000 abstract description 3
- 239000011440 grout Substances 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100366060 Caenorhabditis elegans snap-29 gene Proteins 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
It the utility model is related to tunnel support equipment technical field, disclose a kind of collection drilling, slip casting, be anchored in integral novel anchor rod, including anchor rod main body, anchor rod main body includes at least two sections of bodies of rod, the body of rod is the body of rod of inner hollow, and the outer surface of the body of rod is equipped with external screw thread, uniformly injected hole is provided with the side wall of the body of rod, injected hole is in interlaced arrangement in the side wall of the body of rod, and the side wall of the diameter of injected hole along the body of rod tapers into the center of the body of rod；Adapter sleeve at least two sections of bodies of rod will connect as one.The utility model will drill, slip casting and anchoring organically combine, anchor pole squeezes into rock mass by drill bit, the cement grout that will be prepared using body of rod internal cavities, using grouting pump slip casting, slurries are out of anchor pole wall injected hole press-in anchor pole periphery rock mass, by anchor rod anchored in rock mass, while periphery loose rock mass is consolidated, complete the consolidation grouting of advance support and loose rock mass.
Description
Technical field
Tunnel support equipment technical field is the utility model is related to, more particularly to a kind of collection drilling, slip casting, is anchored in one
Novel anchor rod.
Background technology
In recent years, with the continuous development of China's transport development cause, the construction in tunnel is more and more, is set to China tunnel
Meter, construction, maintenance bring great challenge.Need to carry out supporting in time in the excavation project in tunnel, for light-gauge
Tunnel, the poor slope retaining of geology, tunnel severe crush crushed zone excavation supporting, and have the sand pebble layer of infiltration, weathering
Poor sandy soil layer of more serious country rock, self-stability etc. excavates advance support and consolidation grouting, can not using common advance support
Carry out, entered for the jacked piles with small section for being not suitable with common advance anchor bolt and advanced conduit supporting using self-advancing type pre-grouting anchor pole
Row supporting, a novel anchor rod for integrating the functions such as drilling, slip casting, anchoring is being developed to jacked piles with small section excavation supporting.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model be to provide it is a kind of collect drilling, slip casting, be anchored in it is integral new
Anchor pole.
In order to realize purpose of utility model, the utility model adopts the following technical scheme that：
Provide a kind of collection drilling, slip casting, be anchored in integral novel anchor rod, its structure includes：
Anchor rod main body, the anchor rod main body include at least two sections of bodies of rod, and the body of rod is the body of rod of inner hollow, the bar
The outer surface of body is equipped with external screw thread, is uniformly provided with injected hole in the side wall of the body of rod, the injected hole is in the body of rod
Side wall on be in interlaced arrangement, the side wall of the diameter of the injected hole along the body of rod tapers into the center of the body of rod；
Adapter sleeve, the adapter sleeve at least two sections of bodies of rod will connect as one；
Drill bit, the drill bit are arranged on the head end of the anchor rod main body；
Stop grouting plug, the stop grouting plug are in hollow round table shape, and the inner wall surface of the stop grouting plug is provided with matches somebody with somebody with the external screw thread
The internal thread of conjunction, the stop grouting plug are sleeved on the rear portion of the anchor rod main body；
Arch backing plate, through hole is provided with the center of the arch backing plate, the arch backing plate is sleeved on by the through hole
The rear portion of the anchor rod main body, the arch backing plate are arranged on the rear of the stop grouting plug；
Clamp nut, the clamp nut are the nut being engaged with the external screw thread of second body of rod, described tight
Gu nut sleeve is mounted in the rear portion of the anchor rod main body, the clamp nut and the stop grouting plug are by the dome shaped pad board clamping two
Between person.
Further, the anchor rod main body includes first body of rod and second body of rod.
Further, the diameter of the inner hollow cavity of first body of rod and second body of rod is not less than 15mm.
Further, a diameter of 6-10mm of the injected hole.
Further, the spacing between the injected hole is 20cm.
Further, the adapter sleeve is cylindrical, and the inner surface of the adapter sleeve is provided with what is coordinated with the external screw thread
The head end of the tail end of first body of rod and second body of rod is attached by internal thread, the adapter sleeve.Adapter sleeve uses intensity
Higher steel are made.
Further, the head end of the drill bit and first body of rod welds together.The higher conjunction of degree before drill bit uses
Golden drill bit.
Further, the diameter of the through hole is more than the diameter of the body of rod, and the diameter of the through hole is less than the only slurry
The external diameter of plug.
Further, the arch backing plate is made up of square or circular steel plate.
Further, first body of rod and second body of rod are made of hollow threaded steel pipe.The body of rod is using strong
Degree is higher than HRB400 type threaded hollow steel pipes, and intensity is high, has stronger resistance characteristics.
The beneficial effects of the utility model are：
1st, collection drilling, the slip casting of the utility model example, be anchored in integral novel anchor rod, will drilling, slip casting and anchoring
Organically combine, in grouted anchor bar end tipped drill, anchor pole squeezes into rock mass by drill bit, will using body of rod internal cavities
The cement grout prepared, using grouting pump slip casting, slurries are out of anchor pole wall injected hole press-in anchor pole periphery rock mass, by anchor pole anchor
Gu being consolidated in rock mass, while to periphery loose rock mass, the consolidation grouting of advance support and loose rock mass is completed.
2nd, collection drilling, the slip casting of the utility model example, be anchored in integral novel anchor rod, the body of rod selects hollow screw thread
Steel pipe is made, and can increase the friction between the body of rod and country rock, further increases the anchoring effect of grouted anchor bar.
3rd, collection drilling, the slip casting of the utility model example, be anchored in integral novel anchor rod, by drilling, slip casting, anchoring one
Secondary property is completed, and is reduced the process for beating common bolt, is accelerated construction progress, reduce support cost, while can effectively protect
The stability in tunnel is demonstrate,proved, its is simple in construction, easy for installation, and cost is relatively low, has wide applicability.
4th, collection drilling, the slip casting of the utility model example, be anchored in integral novel anchor rod, grouting borehole design into aperture from
Taper into outside to inside, slip casting hole plug can be prevented, facilitate cement paste to flow out to the body of rod through injected hole out of hollow cavity
Outside, even if being blocked in injected hole by a little ground, the pressure of cement paste easily can also release the impurity for blocking injected hole,
Avoid slip casting hole plug.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of the utility model embodiment arch backing plate；
Fig. 3 is the sectional view of the body of rod of the utility model embodiment first and injected hole.
In figure：The bodies of rod of 1- first, the bodies of rod of 2- second, 3- injected holes, 4- adapter sleeves, 5- drill bits, 6- stop grouting plugs, 7- dome shaped pads
Plate, 8- through holes, 9- clamp nuts.
Embodiment
In order to be better understood by the technical solution of the utility model, with reference to Figure of description and specific embodiment to this
Utility model is described further.
As shown in figure 1, a kind of collect drilling, slip casting, be anchored in integral novel anchor rod, including：
The body of rod, the body of rod include first body of rod 1 and second body of rod 2, and first body of rod 1 and second body of rod 2 are using hollow
Threaded steel pipe is made, and the diameter of the inner hollow cavity of first body of rod 1 and second body of rod 2 is not less than 15mm.
As shown in figures 1 and 3, the outer surface of first body of rod 1 and second body of rod 2 is equipped with external screw thread, first body of rod 1 and
Uniform in the side wall of bipole body 2 to be provided with injected hole 3, injected hole 3 is in the side wall of first body of rod 1 and second body of rod 2 in staggeredly
Arrangement, the connecting line of each injected hole 3 is twist；Spacing between injected hole 3 is 20cm, a diameter of 6-10mm of injected hole,
Side wall of the diameter of injected hole 3 along the body of rod tapers into the center of the body of rod.
Adapter sleeve 4 is cylindrical, and the inner surface of adapter sleeve 4 is provided with the internal thread being engaged with the external screw thread of the body of rod, connection
The head end of the tail end of first body of rod 1 and second body of rod 2 is attached by set 4, and first body of rod 1 and second body of rod 2 are connected as always
Length is the 3-12m body of rod, generally there is 3m, 4.5m, 6m, 9m, 12m etc..The 4.5m supportings that the anchor poles of Φ 25 are often not more than with length,
The anchor poles of Φ 28 are often not more than 9m supporting with length, and the anchor poles of Φ 32 are often not more than 12m supporting with length.Rock-bolt length is according to reality
Border engineering is determined, required length is linked to using coupling sleeve.
Drill bit 5 is welded on the head end of first body of rod；
Stop grouting plug 6 is in hollow round table shape, and the inner wall surface of stop grouting plug 6 is provided with the internal thread coordinated with body of rod external screw thread, only
Slurry plug 6 is sleeved on the rear portion of second body of rod 2；
As shown in Fig. 2 arch backing plate 7 is made up of square plate, through hole 8 is provided with the center of arch backing plate 7, through hole 8
Diameter is more than the diameter of second body of rod 2, and the diameter of through hole 2 is less than the external diameter of stop grouting plug 6.
As shown in figure 1, arch backing plate 7 is sleeved on the rear portion of second body of rod 2 by through hole 8, arch backing plate 7, which is arranged on, only to be starched
The rear of plug 6；Clamp nut 9 is the nut being engaged with the external screw thread of second body of rod 2, and clamp nut 9 is sleeved on second body of rod 2
Rear portion, clamp nut 9 and stop grouting plug 6 clamp arch backing plate 7 therebetween.
Use of the present utility model, is punched by drill bit, and after the completion of drilling, slip casting uses diameter >=10mm plastic tube
(guiding), bottom is inserted into from hollow cavity, guiding property slip casting, slip casting is taken from the inside to the outside, and marginal not slurry side is moved back laterally
Move, flow out, enter in the rock mass on anchor pole periphery out of injected hole on first body of rod and the second body of rod side wall in cement paste,
Anchor pole is fixed on palisades by stop grouting plug and arch backing plate and clamp nut in the borehole by anchor rod anchored, completes anchor
Gu.
The body of rod is not limited to the bar of the body of rod one, body two in above-described embodiment, and usual every section of body of rod length is 3.0m, also can root
Factually border is it needs to be determined that the length of every section of body of rod.Arch backing plate can also be circular or other shapes steel plate systems in embodiment
Into.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that utility model scope involved in the application, however it is not limited to what the particular combination of above-mentioned technical characteristic formed
Technical scheme, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its be equal
Other technical schemes that feature is combined and formed.Such as features described above has with (but not limited to) disclosed herein
The technical scheme that the technical characteristic for having similar functions is replaced mutually and formed.
Claims (10)
1. a kind of collection drilling, slip casting, it is anchored in integral novel anchor rod, it is characterised in that including：
Anchor rod main body, the anchor rod main body include at least two sections of bodies of rod, and the body of rod is the body of rod of inner hollow, the body of rod
Outer surface is equipped with external screw thread, is uniformly provided with injected hole in the side wall of the body of rod, the injected hole is in the side of the body of rod
It is in interlaced arrangement on wall, the side wall of the diameter of the injected hole along the body of rod tapers into the center of the body of rod；
Adapter sleeve, the adapter sleeve at least two sections of bodies of rod will connect as one；
Drill bit, the drill bit are arranged on the head end of the anchor rod main body；
Stop grouting plug, the stop grouting plug are in hollow round table shape, and the inner wall surface of the stop grouting plug is provided with what is coordinated with the external screw thread
Internal thread, the stop grouting plug are sleeved on the rear portion of the anchor rod main body；
Arch backing plate, through hole is provided with the center of the arch backing plate, and the arch backing plate is sleeved on described by the through hole
The rear portion of anchor rod main body, the arch backing plate are arranged on the rear of the stop grouting plug；
Clamp nut, the clamp nut are the nut being engaged with the external screw thread, and the clamp nut is sleeved on the anchor
The rear portion of bar main body, the clamp nut and the stop grouting plug by the dome shaped pad board clamping therebetween.
2. collection drilling, slip casting according to claim 1, it is anchored in integral novel anchor rod, it is characterised in that the anchor pole
Main body includes first body of rod and second body of rod.
3. collection drilling, slip casting according to claim 1 or 2, it is anchored in integral novel anchor rod, it is characterised in that described
The diameter of the inner hollow cavity of the body of rod is not less than 15mm.
4. collection drilling, slip casting according to claim 1, it is anchored in integral novel anchor rod, it is characterised in that the slip casting
A diameter of 6-10mm in hole.
5. collection drilling, slip casting according to claim 1, it is anchored in integral novel anchor rod, it is characterised in that the slip casting
Spacing between hole is 20cm.
6. collection drilling, slip casting according to claim 2, it is anchored in integral novel anchor rod, it is characterised in that the company
Female connector is cylindrical, and the inner surface of the adapter sleeve is provided with the internal thread coordinated with the external screw thread, and the adapter sleeve is by described in
The head end of the tail end of first body of rod and second body of rod is attached.
7. collection drilling, slip casting according to claim 2, it is anchored in integral novel anchor rod, it is characterised in that the drill bit
Weld together with the head end of first body of rod.
8. collection drilling, slip casting according to claim 1, it is anchored in integral novel anchor rod, it is characterised in that the through hole
Diameter be more than the diameter of the body of rod, the diameter of the through hole is less than the external diameter of the stop grouting plug.
9. collection drilling, slip casting according to claim 1, it is anchored in integral novel anchor rod, it is characterised in that the arch
Backing plate is made up of square or circular steel plate.
10. collection drilling, slip casting according to claim 2, it is anchored in integral novel anchor rod, it is characterised in that described the
One body of rod and second body of rod are made of hollow threaded steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702572.3U CN206874297U (en) | 2017-06-16 | 2017-06-16 | A kind of collection drilling, slip casting, it is anchored in integral novel anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702572.3U CN206874297U (en) | 2017-06-16 | 2017-06-16 | A kind of collection drilling, slip casting, it is anchored in integral novel anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874297U true CN206874297U (en) | 2018-01-12 |
Family
ID=61334084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720702572.3U Expired - Fee Related CN206874297U (en) | 2017-06-16 | 2017-06-16 | A kind of collection drilling, slip casting, it is anchored in integral novel anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206874297U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643949A (en) * | 2018-05-24 | 2018-10-12 | 中铁十九局集团第六工程有限公司 | A kind of anchor rod construction method of tunnel breaking surrounding rock |
| CN109611135A (en) * | 2018-12-05 | 2019-04-12 | 贵州大学 | A new type of hollow grouting bolt device and using method |
| CN110645033A (en) * | 2019-10-17 | 2020-01-03 | 中铁八局集团有限公司 | Device and method for deep grouting in sandy cobble stratum shield construction tunnel |
| CN112459818A (en) * | 2020-12-07 | 2021-03-09 | 贵州理工学院 | Special anti-loosening anchor rod for roadway support |
| CN113366233A (en) * | 2019-01-28 | 2021-09-07 | 贝瓦克生产机械有限公司 | Quick-change split shaft |
| CN114151117A (en) * | 2021-11-15 | 2022-03-08 | 中国建筑股份有限公司 | An anchor rod assembly |
-
2017
- 2017-06-16 CN CN201720702572.3U patent/CN206874297U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643949A (en) * | 2018-05-24 | 2018-10-12 | 中铁十九局集团第六工程有限公司 | A kind of anchor rod construction method of tunnel breaking surrounding rock |
| CN109611135A (en) * | 2018-12-05 | 2019-04-12 | 贵州大学 | A new type of hollow grouting bolt device and using method |
| CN113366233A (en) * | 2019-01-28 | 2021-09-07 | 贝瓦克生产机械有限公司 | Quick-change split shaft |
| US12092155B2 (en) | 2019-01-28 | 2024-09-17 | Belvac Production Machinery, Inc. | Quick-change split shaft |
| CN110645033A (en) * | 2019-10-17 | 2020-01-03 | 中铁八局集团有限公司 | Device and method for deep grouting in sandy cobble stratum shield construction tunnel |
| CN112459818A (en) * | 2020-12-07 | 2021-03-09 | 贵州理工学院 | Special anti-loosening anchor rod for roadway support |
| CN114151117A (en) * | 2021-11-15 | 2022-03-08 | 中国建筑股份有限公司 | An anchor rod assembly |
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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: 20180112 |