CN206887949U - A kind of assembled pressure-adjustable enlarging anchor rod structure - Google Patents
A kind of assembled pressure-adjustable enlarging anchor rod structure Download PDFInfo
- Publication number
- CN206887949U CN206887949U CN201720315001.4U CN201720315001U CN206887949U CN 206887949 U CN206887949 U CN 206887949U CN 201720315001 U CN201720315001 U CN 201720315001U CN 206887949 U CN206887949 U CN 206887949U
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- China
- Prior art keywords
- pouch
- anchor rod
- hole
- tight lock
- rod structure
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Abstract
The utility model discloses a kind of assembled pressure-adjustable enlarging anchor rod structure, the structure includes deformed bar, and the deformed bar outer surface is provided with external screw thread；Expand body component, the expansion body component includes slurries isolation pouch, the slurries isolation pouch both ends have been respectively fixedly connected with the first pouch sealing framework and the second pouch sealing framework, and the first pouch sealing framework and the second pouch sealing framework are fixedly linked with the first tight lock base and the second tight lock base respectively.The assembled pressure-adjustable enlarging anchor rod structure that the application provides, it is simple and reasonable, it is easy to install and use.The structure can ensure that pouch expansion is in place when in use, and for deformed bar with expanding body component by the way of being threadedly coupled, connection is easier.The design of special construction and nut can realize that multistage expands the easy installation of body component.It is worth promoting the use of a large area.
Description
Technical field
Construction equipment technical field is the utility model is related to, more particularly to a kind of assembled pressure-adjustable enlarging anchor rod knot
Structure.
Background technology
Anchorage technology is high in skyscraper, track traffic, bridge tunel engineering, City Underground Transportation hinge, port and pier, reservoir
The fields such as dam, slope project, mine construction, defence engineering have a wide range of applications.Engineering circles are just in face of a large amount of tunnels, Underground Tunnels
Room, shaft and drift supporting, stability of slope, deep basal pit, structural anti-buoyancy, high-pressure water pipeline etc. are large-scale, technical difficulty and risk journey
The higher Geotechnical Engineering stable problem of degree.Above-mentioned engineering construction safety, economic, efficiently and ring is to ensure that using body anchorage technology is expanded
One of optimal path of guarantor.
Bag type paste enlarging anchor rod is the most extensive in actual applications, in use, bag type paste enlarging anchor rod is inserted in drilling
After predeterminated position, by default separate type Grouting Pipe, the cement grout necessarily matched is injected into assembled extruding expanding body；With
The injection of slurry, the bellows expansion extruding expanding body in drilling gradually expand to default shape, meanwhile, utricule surrounding soil and slurries
Gradually by densification；With the raising of the bulbs of pressure, the compacted area's scope of the soil body constantly expands, and finally estimates the coverage in compacted area
The double-wide of diameter after balloon inflation can be reached.It is strong according to density-effective stress-shearing resistance of the soil body after compacted
The principle of correspondence of degree, the intensity of utricule surrounding soil are improved, under holding effect at the end of expansion cement slurry extruding expanding body, carried significantly
The ultimate bearing capacity of high single anchor rod.Although bag type paste enlarging anchor rod has many advantages relative to conventional anchor, it is existing
Bag type paste enlarging anchor rod in technology still has following defect：
1st, pressure control device is General Purpose Rubber set, exist slurries leak and utricule not yet expand in place, expand it is body formed
The actual fortune of engineering is undesirable in answering.2nd, deformed bar and expansion body device connection method are cumbersome, and expanding body section deformed bar can not
Solidification is directly contacted with the solid body of cement in utricule.3rd, guiding cap is connected as welding procedure, job site welding with expanding body device
Technique individual difference is big.4th, it can not realize that multistage expands the effective Fast Installation of body device.
Utility model content
The utility model provides a kind of assembled pressure-adjustable enlarging anchor rod structure.
The utility model provides following scheme：
A kind of assembled pressure-adjustable enlarging anchor rod structure, including：
Deformed bar, the deformed bar outer surface are provided with external screw thread；
Expand body component, the expansion body component includes slurries isolation pouch, and the slurries isolation pouch both ends are fixed respectively to be connected
It is connected to the first pouch sealing framework and the second pouch sealing framework, the first pouch sealing framework and second pouch
Sealing framework is fixedly linked with the first tight lock base and the second tight lock base respectively；Described first tight lock base and described the
Two tight lock base center opening positions offer first through hole and the second through hole, the described first tight lock base and described second tight
Lock base opposite exterior lateral sides have been respectively fixedly connected with the first locking nut；
The deformed bar is isolated through first locking nut, first through hole, the first pouch sealing framework, slurries
After pouch, the second pouch sealing framework and the second through hole, pass through first locking nut and the second locking nut and institute
Expansion body component is stated to be connected；
Wherein, third through-hole and fourth hole are offered on the described first tight lock base, the third through-hole is set with
High pressure pulp-inlet pipe, the fourth hole, which is set with, lets out slurry pipe, and the slurry pipe of letting out is externally connected to pressure-adjustable relief valve.
Preferably：Second locking nut has a split-type structural, while have can be with the prestress steel for its inner side
The internal thread that muscle external screw thread is connected, outside have the external screw thread that can be connected with the first locking nut screw-internal thread fit.
Preferably：The high pressure pulp-inlet pipe is located at slurries isolation pouch one end and is provided with check valve.
Preferably：Also include guide head, the guide head passes through the internal thread of its own and the second locking base external screw thread
It is connected.
Preferably：The expansion body component is at least two groups, and is connected respectively with the deformed bar.
Preferably：Sealing ring is provided with the inside of first locking nut.
According to specific embodiment provided by the utility model, the utility model discloses following technique effect：
Pass through the utility model, it is possible to achieve a kind of assembled pressure-adjustable enlarging anchor rod structure, under a kind of implementation,
The structure can include deformed bar, and the deformed bar outer surface is provided with external screw thread；Expand body component, the expansion body group
Part includes slurries isolation pouch, and the slurries isolation pouch both ends have been respectively fixedly connected with the first pouch sealing framework and second
Pouch sealing framework, the first pouch sealing framework and the second pouch sealing framework respectively with the first tight lock base with
And second tight lock base be fixedly linked；Described first tight lock base and the second tight lock base center opening position offer the
One through hole and the second through hole, the described first tight lock base and the second tight lock base opposite exterior lateral sides have been respectively fixedly connected with
First locking nut；The deformed bar passes through first locking nut, first through hole, the first pouch sealing framework, slurry
After liquid isolation pouch, the second pouch sealing framework and the second through hole, pass through first locking nut and the second locking screw
It is female to be connected with the expansion body component；Wherein, third through-hole and fourth hole are offered on the described first tight lock base, described the
Threeway borehole jack is equipped with high pressure pulp-inlet pipe, and the fourth hole, which is set with, lets out slurry pipe, it is described let out slurry pipe and be externally connected to pressure-adjustable let out
Pressure valve.The assembled pressure-adjustable enlarging anchor rod structure that the application provides, it is simple and reasonable, it is easy to install and use.The structure can
To ensure that pouch expansion is in place when in use, for deformed bar with expanding body component by the way of being threadedly coupled, connection is simpler
Just.The design of special construction and nut can realize that multistage expands the easy installation of body component.It is worth promoting the use of a large area.
Certainly, implement any product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation for assembled pressure-adjustable enlarging anchor rod structure that the utility model embodiment provides；
Fig. 2 be the utility model embodiment provide a kind of assembled pressure-adjustable enlarging anchor rod structure high-pressure slip-casting after
Structural representation；
Fig. 3 is the structural representation for the second nut that the utility model embodiment provides；
Fig. 4 is the second nut A-A faces sectional view that the utility model embodiment provides；
Fig. 5 is the second nut B-B faces sectional view that the utility model embodiment provides；
Fig. 6 is the guide head mounting structure schematic diagram that the utility model embodiment provides；
Fig. 7 is multiple expansion body component scheme of installations that the utility model embodiment provides.
In figure：Deformed bar 1, slurries isolation pouch 2, the first pouch sealing framework 3, the second pouch sealing framework 4, the
One tight lock base 5, second tightly lock base 6, the first locking nut 7, the second locking nut 8, high pressure pulp-inlet pipe 9, let out slurry pipe 10, let out
Pressure valve 11, check valve 12, sealing ring 13, guide head 14.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
Embodiment
Referring to Fig. 1, Fig. 2, a kind of assembled pressure-adjustable enlarging anchor rod structure provided for the utility model embodiment, such as scheme
1st, shown in Fig. 2, the structure includes deformed bar 1, and the outer surface of deformed bar 1 is provided with external screw thread；
Expand body component, the expansion body component includes slurries isolation pouch 2, and the isolation pouch can use the higher rubber of intensity
The materials such as glue make, because the isolation pouch is when in use without being risen brokenly.Slurries isolation pouch 2 both ends are fixed respectively
It is connected with the first pouch sealing framework 3 and the second pouch sealing framework 4, the first pouch sealing framework 3 and described
Tightly lock base 6 is fixedly linked two pouch sealing frameworks 4 with the first tight lock base 5 and second respectively；Described first tight lock base 5
And described second the tight lock center position of base 6 offer first through hole and the second through hole, the described first tight lock base 5 with
And described second tight lock 6, bottom opposite exterior lateral sides be respectively fixedly connected with the first locking nut 7；
The deformed bar 1 passes through first locking nut 7, first through hole, the first pouch sealing framework 3, slurries
After isolating pouch 2, the second pouch sealing framework 4 and the second through hole, pass through the locking screw of the first locking nut 7 and second
Mother 8 is connected with the expansion body component；
Wherein, third through-hole and fourth hole are offered on the described first tight lock base 5, the third through-hole is set with
High pressure pulp-inlet pipe 9, in order to ensure during slip casting, mud is not in the phenomenon backflowed, and the high pressure pulp-inlet pipe 9 is located at institute
State slurries isolation pouch 2 one end and be provided with check valve 12.The fourth hole, which is set with, lets out slurry pipe 10, described to let out outside slurry pipe 10
It is connected with pressure-adjustable relief valve 11.
The structure when in use, can according to live ground hardness and need counter bore diameter selection relief valve 11 release
Pressure, so as to effectively solve slurries present in prior art leak and utricule not yet expand in place, expand it is body formed in work
The problem of Cheng Shiji fortune is undesirable in answering.The structure adds relief valve relative to bag type paste enlarging anchor rod of the prior art,
After slip casting reaches predetermined pressure, slurries can rise brokenly by the relief valve, and slurries are flowed out by the relief valve, without the pouch that rises brokenly.This
Sample can ensure that each slip casting can make to reach predetermined pressure inside pouch, advantageously in control grouting pressure and capsule
The swelling volume of bag.
In order to realize the problem of multigroup expansion body component is connected, the embodiment of the present application can also provide the with special construction
Two locking nuts, specifically, as shown in Fig. 3, Fig. 4, Fig. 5, second locking nut has split-type structural, while its inner side
With the internal thread that can be connected with the deformed bar external screw thread, outside has can be with spiral shell in first locking nut
The external screw thread that line is connected.Further, as shown in fig. 7, the expansion body component is at least two groups, and respectively with it is described it is pre- should
Power reinforcing bar 1 is connected.In actual applications, it can need to select multigroup expansion body component while and prestress steel according to site operation
Muscle is connected, so as to realize that multistage expands body installation.Because the connection between the device all parts is connected using screw thread
Mode, no matter any position all without welding, therefore, is installed or is dismantled and be quite convenient to.Further, in order to prevent
After one locking nut and the second locking nut are connected, the problem of its connecting portion is poorly sealed, first locking nut
Inner side is provided with sealing ring 13.As shown in fig. 6, also include guide head 14, the guide head 14 by the internal thread of its own with
Second locking base external screw thread is connected.
In a word, the assembled pressure-adjustable enlarging anchor rod structure that the application provides, it is simple and reasonable, it is easy to install and use.
The structure can ensure that pouch expansion is in place when in use, and deformed bar is with expanding body component by the way of being threadedly coupled, even
Connect easier.The design of special construction and nut can realize that multistage expands the easy installation of body component.Worth large area pushes away
It is wide to use.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence " including one ... ", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
Preferred embodiment of the present utility model is the foregoing is only, is not intended to limit protection model of the present utility model
Enclose.All made within spirit of the present utility model and principle any modification, equivalent substitution and improvements etc., are all contained in this reality
With in new protection domain.
Claims (6)
- A kind of 1. assembled pressure-adjustable enlarging anchor rod structure, it is characterised in that including：Deformed bar, the deformed bar outer surface are provided with external screw thread；Expand body component, the expansion body component includes slurries isolation pouch, and the slurries isolation pouch both ends have been respectively fixedly connected with First pouch sealing framework and the second pouch sealing framework, the first pouch sealing framework and second pouch sealing Skeleton is fixedly linked with the first tight lock base and the second tight lock base respectively；Described first tight lock base and described second tight Lock base center opening position offers first through hole and the second through hole, the described first tight lock base and the second tight lock bottom Seat opposite exterior lateral sides have been respectively fixedly connected with the first locking nut；The deformed bar isolates capsule through first locking nut, first through hole, the first pouch sealing framework, slurries After bag, the second pouch sealing framework and the second through hole, by first locking nut and the second locking nut with it is described Expand body component to be connected；Wherein, third through-hole and fourth hole are offered on the first locking base, the third through-hole is set with high pressure Pulp-inlet pipe, the fourth hole, which is set with, lets out slurry pipe, and the slurry pipe of letting out is externally connected to pressure-adjustable relief valve.
- 2. assembled pressure-adjustable enlarging anchor rod structure according to claim 1, it is characterised in that second locking nut With split-type structural, while its inner side has the internal thread that can be connected with the deformed bar external screw thread, outside tool There is the external screw thread that can be connected with the first locking nut screw-internal thread fit.
- 3. assembled pressure-adjustable enlarging anchor rod structure according to claim 1, it is characterised in that the high pressure pulp-inlet pipe position Slurries isolation pouch one end is provided with check valve.
- 4. assembled pressure-adjustable enlarging anchor rod structure according to claim 1, it is characterised in that the expansion body component is at least For two groups, and it is connected respectively with the deformed bar.
- 5. assembled pressure-adjustable enlarging anchor rod structure according to claim 1, it is characterised in that first locking nut Inner side is provided with sealing ring.
- 6. assembled pressure-adjustable enlarging anchor rod structure according to claim 1, it is characterised in that also including guide head, institute Guide head is stated by the internal thread of its own with the second locking base external screw thread to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315001.4U CN206887949U (en) | 2017-11-09 | 2017-11-09 | A kind of assembled pressure-adjustable enlarging anchor rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315001.4U CN206887949U (en) | 2017-11-09 | 2017-11-09 | A kind of assembled pressure-adjustable enlarging anchor rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206887949U true CN206887949U (en) | 2018-01-16 |
Family
ID=61328916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720315001.4U Expired - Fee Related CN206887949U (en) | 2017-11-09 | 2017-11-09 | A kind of assembled pressure-adjustable enlarging anchor rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206887949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547292A (en) * | 2018-04-19 | 2018-09-18 | 孙超 | A kind of assembled pressure-adjustable enlarging anchor rod structure |
| CN109404024A (en) * | 2018-10-12 | 2019-03-01 | 河南理工大学 | A kind of multistage anchoring ring type segmentation anchoring rod structure and construction method |
| CN111927467A (en) * | 2020-07-08 | 2020-11-13 | 中国矿业大学(北京) | Whole-course adjustable resistance yielding method for large-deformation roadway |
-
2017
- 2017-11-09 CN CN201720315001.4U patent/CN206887949U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547292A (en) * | 2018-04-19 | 2018-09-18 | 孙超 | A kind of assembled pressure-adjustable enlarging anchor rod structure |
| CN109404024A (en) * | 2018-10-12 | 2019-03-01 | 河南理工大学 | A kind of multistage anchoring ring type segmentation anchoring rod structure and construction method |
| CN111927467A (en) * | 2020-07-08 | 2020-11-13 | 中国矿业大学(北京) | Whole-course adjustable resistance yielding method for large-deformation roadway |
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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: 20180116 Termination date: 20181109 |