CN207673358U - A kind of slurry pouch grouted anchor bar with control system - Google Patents
A kind of slurry pouch grouted anchor bar with control system Download PDFInfo
- Publication number
- CN207673358U CN207673358U CN201721722673.3U CN201721722673U CN207673358U CN 207673358 U CN207673358 U CN 207673358U CN 201721722673 U CN201721722673 U CN 201721722673U CN 207673358 U CN207673358 U CN 207673358U
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- China
- Prior art keywords
- slurry
- overfall
- pouch
- anchor bar
- grouted anchor
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to engineering construction, anchor pole technique for fixing field, more particularly to a kind of slurry pouch grouted anchor bar with control system, including shank portion and control section, shell, control section includes that slip casting part and overfall part and control circuit part, overfall part in parallel include adjustment structure；Control circuit part includes light bulb I and light bulb II and power supply, and I top of light bulb has normal open switch, power supply to be connected with normally open solenoid valve；Shank portion includes shell, main reinforcement and slurry pouch, Grouting Pipe in bag.There are metal ball, metal ball to be connected in parallel by the normal open switch of conductive metal stick and circuit part above overfall mouth.The beneficial effects of the utility model are：The breakout capacity of anchor pole can not only be enhanced by controlling slip casting shape, but also grouting pressure can be precisely controlled by control system, it solves the technical barriers such as excessive common grouted anchor bar slurry reflux pressure, easy running pulp, spillage, has many advantages, such as simple in structure at low cost, quick for installation, reusable.
Description
Technical field
The utility model belongs to engineering construction, anchor pole technique for fixing field, and in particular to a kind of slurry capsule with control system
Bag grouted anchor bar.
Background technology
Currently, in Tunnel, it is mostly used bolt grouting, after arch is completed with top slip casting, due to pressure
Force effect, slurry reflux cause anchor pole and slip casting part slip casting leakiness, there is gap, to cause the excessive booster of grouting pressure
It hurts sb.'s feelings, and Grouting engineering is complicated, it is time-consuming and laborious；Slurry pouch grouted anchor bar with its simple structure, construction it is convenient, work well and
It is widely recognized, currently, the commonly anti-pulling ability of common bolt during colliery tunnel support and tunnel surrounding control
It is relatively low, especially it is difficult to ensure anchor-holding force of anchor bolt decaying, note often occur in plenty water weak surrounding rock stability control engineering construction quality
Starch consolidation effect and the construction safeties hidden danger such as weaken, in addition cause supporting failure, wall rock destabilization collapses and the industrial accidents such as emits, commonly
Slurry pouch grouted anchor bar technology developed under this engineering background, but in colliery tunnel support and tunnel surrounding control
During system, since grouting process process relies on operating personnel's engineering experience, grouting amount and grouting pressure to lack precisely control mostly
System, the technical barriers such as generally existing running pulp, spillage, or even because of the excessive generation booster casualty accident of grouting pressure.
Application No. is the patents of CN201310166012.7 to disclose a kind of grouted anchor bar with control valve, including slip casting control
Device processed, only sizing device, rod device, grout injection control device includes supporing shell, adjust unit, position-limiting unit, grouting port with
And the slurry mouth that overflows；It can prevent slurry reflux so that slip casting is closely knit, easy to operate, and pressure excessive booster when slip casting is avoided to hurt sb.'s feelings, but
Pouch is not starched in the invention, and the body of rod is fixed, and control device can only cannot meet not same amount by mechanical adjustment, malfunction
Slip casting demand, can not achieve the effect that prevent slip casting because of the excessive generation booster injures and deaths of pressure well.
Utility model content
For the problems of the prior art, the utility model provides a kind of body of rod length and can adjust, and utilizes circuit
Slurry pouch grouted anchor bar with control system and application method, technical scheme is as follows：
A kind of slurry pouch grouted anchor bar with control system, including shank portion and control section, further include shank portion
External shell, the control section include the flexible connection of slip casting part and overfall part and overfall upper in parallel
Control circuit part, the slip casting part have the grouting port that Open Side Down, the overfall part to have the overfall mouth of opening upwards, institute
Stating grouting port and overfall mouth both sides has flange, the slip casting part and overfall part right end to have adjuster, the overfall portion
It further includes adjustment structure to divide, and the adjustment structure includes adjuster and the spring between the flange at overfall mouth both ends and piston
Piece, the spring one end are fixedly connected with adjuster, and the other end is fixedly connected with piston sheet, and spring movement is controlled by flange；
The control circuit part include light bulb I and light bulb II parallel with one another and with two concatenated power supplys of light bulb, on the light bulb I
Side has normal open switch, the power supply to be connected with normally open solenoid valve.
The shank portion of the utility model includes shell, the metal caul on the right side of shell, the main reinforcement in shell and outside
The drilling for starching pouch, shell end, also has Grouting Pipe in the bag that one end is located in slurry pouch below main ribs, Grouting Pipe in bag
In slurry pouch, the other end is connect with normally open solenoid valve for one end setting, and the slurry pouch is located in main reinforcement and bag on the outside of Grouting Pipe
And it closes.
There are metal ball, the metal ball to be opened by conductive metal stick and the normally opened of control circuit part above above-mentioned overfall mouth
Pass is connected in parallel.
The utility model controls grouting pressure and grouting amount by the design of slip casting part and overfall part, is conducive to adjust note
Effect is starched, by starching the combination of pouch in the combination of control circuit part and adjustment structure and shank portion, meets different notes
The demand of slurry amount is prevented by the design of normal open switch and normally open solenoid valve in control circuit part and the combination of metal ball
Technical problems, the control circuit parts such as slurry reflux pressure is excessive, easy running pulp, spillage can dismantle, and be convenient for changing multiple profit
With repair, one component of reduction is bad, and whole device is needed to be required for the cost of repair.
Preferably, above-mentioned main reinforcement is hollow grouted anchor bar, and main reinforcement is made of the short main reinforcement of 4-7 roots, between the short main reinforcement
There is connector, it can be flexibly with the length of actual needs adjustment main reinforcement by the design of connector and short main reinforcement.
Preferably, during above-mentioned metal caul is lead to binary channels backing plate and be fixed on grouted anchor bar body with fixing piece, institute
It is nut to state fixing piece, and metal caul stronger can be fixed on the body of rod of grouted anchor bar by fixing piece, by twin-channel
Backing plate is conducive to being smoothed out for slip casting.
Preferably, above-mentioned connector is a pair of cricoid fastener, and this connection type is simple to operation, is tightly combined,
Also it is conducive to dismounting.
Preferably, telescopic three restraint straps for having mutual spacing certain outside the slurry pouch of the utility model, restraint strap
Most short perimeter is less than slurry pouch perimeter, and the restraint strap stretches according to grouting amount to size is needed, and starches this structure of pouch
It needs to adjust slurry pouch size with slip casting conducive to flexibly, it is easy to use.
Preferably, Grouting Pipe is managed for PE in above-mentioned bag, and material source is easy to get, at low cost.
Preferably, above-mentioned slurry pouch is to be made of geotextiles or plastic film material in beading or calabash shaped.
A kind of application method of slurry pouch grouted anchor bar with control system of the utility model is using step：
（1）Power supply is opened to reach by the adjuster of the adjustment structure of overfall part in control section come adjustment spring length
To the requirement of grouting pressure, slip casting is carried out in slip casting part；
（2）Slip casting overpressure in bag is caused to increase after starching slurries in pouch and reaching pressure requirements during slip casting, slurry
Liquid will push piston sheet to move backward by Grouting Pipe in bag and main reinforcement, to change spring deformation, when slurries are moved to back
When slurry mouth starts to overflow, illustrate that slip casting overpressure has reached grouting pressure requirement in bag at this time；
（3）The slurries overflowed at this time push metal ball to be displaced outwardly, and supporting the conductive metal stick of metal ball to move downward makes
It obtains control circuit part to connect, light light bulb II, causes normally open solenoid valve coil to be powered, normally open solenoid valve is closed；It is same with this
When the normal open switch in parallel with metal ball be closed due to energization, light light bulb I；
（4）When in overfall mouth slurries no longer overflow cause metal ball restPose caused by light bulb II place branch it is disconnected
It opens, light bulb II extinguishes, and normally open solenoid valve will not be allowed to be opened due to power-off, controls slurry pressure；
（5）When slip casting is full, power supply is closed, closes grouted anchor bar, unloads control circuit part, continues next slip casting anchor
Bar carries out grouting process.
The utility model advantageous effect compared with prior art：Using the effect of control section normally open solenoid valve, prevent from starching
Slurry reflux in pouch improves grouting quality；Control circuit part is detachable and can reuse, easy to operate；Make slip casting
Overpressure can control the switch of normally open solenoid valve to control grouting pressure when excessive, avoid the excessive generation thing of grouting pressure
Therefore；The breakout capacity of anchor pole can not only be enhanced by controlling slip casting shape, but also can be precisely controlled by control system
Grouting pressure solves the technical barriers such as excessive common grouted anchor bar slurry reflux pressure, easy running pulp, spillage, has structure letter
The advantages that single at low cost, quick for installation, reusable, being adapted to the weak surrounding rocks such as coal mine, tunnel needs grouting and reinforcing geology item
Part.
Description of the drawings
Fig. 1 is the overall structure figure of embodiment 1, and Fig. 2 is the overall structure figure of embodiment 2；Fig. 3 is the entirety of embodiment 4
Structure chart；Fig. 4 is the connector figure of embodiment 1；
Wherein：1- adjusters；2- flanges；3- springs；4- piston sheets；5- overfall mouths；6- metal balls；601- conductive metals
Stick；7- grouting ports；8- normal open switch；9- light bulbs I；901- light bulbs II；10- power supplys；11- normally open solenoid valves；12- nuts；13- gold
Belong to backing plate；14- main reinforcements；1401- connectors；Grouting Pipe in 15- bags；16- starches pouch；1601- restraint straps；17- drills；18- shells
Body.
Specific implementation mode
The utility model is further described with reference to specific embodiment, and the advantages of the utility model and feature will be with
Description and it is apparent；But examples are merely exemplary, and it is not intended to limit the scope of the present invention in any way；This field skill
Art personnel should be understood that can be to technical solutions of the utility model under the spirit and scope without departing from the utility model
Details and form are modified or are replaced, but these modifications and replacement are each fallen in the scope of protection of the utility model.
Embodiment 1
A kind of slurry pouch grouted anchor bar with control system, including shank portion and control section, further include shank portion
External shell 18, control section include the control of the flexible connection of slip casting part and overfall part and overfall upper in parallel
There are a grouting port 7 that Open Side Down in circuit part processed, slip casting part, and there is an overfall mouth 5 of opening upwards in overfall part, grouting port 7 and
There are flange 2 in 5 both sides of overfall mouth, and it further includes adjusting knot that slip casting part and overfall part right end, which have adjuster 1, overfall part,
Structure, adjustment structure include adjuster 1 and the spring 3 between the flange 2 at 5 both ends of overfall mouth and piston sheet 4,3 one end of spring
It is fixedly connected with adjuster 1, the other end is fixedly connected with piston sheet 4, and controlling spring 3 by flange 2 moves；Control circuit part
Including light bulb I 9 and light bulb II 901 parallel with one another and with the concatenated power supply 10 of two light bulbs, there is normal open switch in I 9 top of light bulb
8, power supply connects 10 and is connected to normally open solenoid valve 11.
The shank portion of the present embodiment includes shell 18, the metal caul 13 on the right side of shell 18, the main reinforcement 14 in shell 18
And the drilling 17 of external slurry pouch 16,18 end of shell, the material that 14 lower section of main reinforcement also has one end to be located in slurry pouch 16 are
Grouting Pipe 15 in the bag of PE pipes, in slurry pouch 16, the other end is connect the setting of 15 one end of Grouting Pipe with normally open solenoid valve 11 in bag,
Slurry pouch 16 is located at 15 outside of Grouting Pipe in main reinforcement 14 and bag and closes, and there is metal ball 6 in 5 top of overfall mouth, and metal ball 6 is by leading
Electric metal stick 601 and the normal open switch 8 of control circuit part are connected in parallel.
The main reinforcement 14 of the present embodiment is hollow grouted anchor bar, and main reinforcement 14 is made of the short main reinforcement of the six roots of sensation, has between short main reinforcement
Connector 1401 is a pair of cricoid fastener；The binary channels backing plate logical in being of metal caul 13 is simultaneously fixed on slip casting with nut 12
On anchor bar body, slurry pouch 16 is in beading, has four beading, is made of plastic film material, has mutual spacing one outside slurry pouch 16
Fixed telescopic three restraint straps 1601, the most short perimeter of restraint strap 1601 are less than slurry pouch perimeter, and restraint strap 1601 is according to note
Slurry amount is stretched to needing size.
The use step of the application method of the present embodiment is：
（1）Power supply 10 is opened, is grown come adjustment spring 3 by the adjuster 1 of the adjustment structure of overfall part in control section
Degree, reaches the requirement of grouting pressure, and slip casting is carried out in slip casting part；
（2）Lead to pressure increasing in Grouting Pipe 15 in bag during slip casting after starching slurries in pouch 16 and reaching pressure requirements
Greatly, slurries will push piston sheet 4 to move backward by Grouting Pipe in bag 15 and main reinforcement 14, to change 3 deformation of spring, work as slurry
When liquid is moved to overfall mouth 5 and starts to overflow, illustrate in bag at this time in Grouting Pipe 15 that pressure has reached grouting pressure and require；
（3）The slurries overflowed at this time push metal ball 6 to be displaced outwardly, and the conductive metal stick 601 of metal ball 6 is supported to transport downwards
It is dynamic that control circuit part is made to connect, light light bulb II 901, cause 11 coil of normally open solenoid valve to be powered, normally open solenoid valve 11
It closes；At the same time normal open switch 8 in parallel with metal ball 6 is closed due to energization, lights light bulb I 9；
（4）When 5 inner slurries of overfall mouth no longer overflow cause metal ball 6 restPose caused by where light bulb II 901
Branch disconnects, and light bulb II 901 extinguishes, and normally open solenoid valve 11 will not be allowed to be opened due to power-off, controls slurry pressure；
（5）When slip casting is full, power supply 10 is closed, closes grouted anchor bar, unloads control circuit part, continues next slip casting
Anchor pole carries out grouting process.
Embodiment 2
The difference of the present embodiment and embodiment 1 is that main reinforcement is made of five short main reinforcements, and slurry pouch 16 is in continuous two small by one
A big beading, is made of geotextile material, there is the telescopic restraint strap 1601 of mutual spacing three outside slurry pouch 16, this
The slurry pouch 16 of embodiment is a big beading by the elongation of restraint strap 1601 of the leftmost side of embodiment 1.
Embodiment 3
The present embodiment is not all that slurry pouch 16 is in a continuous one small big beading, by plastic foil with embodiment 2
Material is made, and it is a big beading that the slurry pouch 16 of the present embodiment is extended by a restraint strap 1601 of the leftmost side of embodiment 2.
The product of three embodiments of embodiment 1, embodiment 2 and embodiment 3 is used for slip casting, through experiment, is not had
Appearance grouting pressure is excessive, and there is a situation where accidents；Increase in the breakout capacity of anchor pole and aspect is precisely controlled to grouting pressure
It is substantially better than common grouted anchor bar, it is difficult to solve the technologies such as excessive common grouted anchor bar slurry reflux pressure, easy running pulp, spillage
Topic, has many advantages, such as simple in structure at low cost, quick for installation, reusable, and being adapted to the weak surrounding rocks such as coal mine, tunnel needs to note
Slurry reinforces geological conditions.
Claims (7)
1. a kind of slurry pouch grouted anchor bar with control system, including shank portion and control section, which is characterized in that further include
Shell outside shank portion, the control section include the work of slip casting part and overfall part and overfall upper in parallel
The control circuit part of dynamic connection, the slip casting part has the grouting port that Open Side Down, the overfall part to have opening upwards
Overfall mouth, the grouting port and overfall mouth both sides have flange, the slip casting part and overfall part right end to have adjuster, institute
It further includes adjustment structure to state overfall part, and the adjustment structure includes adjuster and the bullet between the flange at overfall mouth both ends
Spring and piston sheet, the spring one end are fixedly connected with adjuster, and the other end is fixedly connected with piston sheet, and bullet is controlled by flange
Spring moves；The control circuit part include light bulb I and light bulb II parallel with one another and with two concatenated power supplys of light bulb, it is described
I top of light bulb has normal open switch, the power supply to be connected with normally open solenoid valve；
The shank portion includes slurry pouch, the shell ends of shell, the metal caul on the right side of shell, the main reinforcement in shell and outside
The drilling in portion, also has Grouting Pipe in the bag that one end is located in slurry pouch below main ribs, in bag the setting of Grouting Pipe one end starching
In pouch, the other end is connect with normally open solenoid valve, and the slurry pouch is located in main reinforcement and bag on the outside of Grouting Pipe and closes；
Have metal ball above the overfall mouth, the metal ball by conductive metal stick and the normal open switch of control circuit part simultaneously
Connection connection.
2. a kind of slurry pouch grouted anchor bar with control system according to claim 1, which is characterized in that main ribs are
Hollow grouted anchor bar, main reinforcement are made of the short main reinforcement of 4-7 roots, have connector between the short main reinforcement.
3. a kind of slurry pouch grouted anchor bar with control system according to claim 1, which is characterized in that the metal gasket
Plate binary channels backing plate logical in being simultaneously is fixed on fixing piece on grouted anchor bar body, and the fixing piece is nut.
4. a kind of slurry pouch grouted anchor bar with control system according to claim 2, which is characterized in that the connector
For a pair of cricoid fastener.
5. a kind of slurry pouch grouted anchor bar with control system according to claim 1, which is characterized in that the slurry pouch
The outer telescopic restraint strap for having mutual spacing certain, the most short perimeter of restraint strap are less than slurry pouch perimeter.
6. a kind of slurry pouch grouted anchor bar with control system according to claim 1, which is characterized in that note in the bag
Slurry pipe is that PE is managed.
7. a kind of slurry pouch grouted anchor bar with control system according to claim 1, which is characterized in that the slurry pouch
To be in beading or calabash shaped, it is made of geotextiles or plastic film material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722673.3U CN207673358U (en) | 2017-12-12 | 2017-12-12 | A kind of slurry pouch grouted anchor bar with control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722673.3U CN207673358U (en) | 2017-12-12 | 2017-12-12 | A kind of slurry pouch grouted anchor bar with control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673358U true CN207673358U (en) | 2018-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721722673.3U Expired - Fee Related CN207673358U (en) | 2017-12-12 | 2017-12-12 | A kind of slurry pouch grouted anchor bar with control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104856A (en) * | 2017-12-12 | 2018-06-01 | 华北科技学院 | A kind of slurry pouch grouted anchor bar and application method with control system |
| CN109236231A (en) * | 2018-11-02 | 2019-01-18 | 济南力稳岩土工程有限公司 | A kind of interior grouting device for blocking open-hole section crack water burst of mine drilling |
| CN113638398A (en) * | 2021-09-13 | 2021-11-12 | 天津大学 | Active dynamic control method for stress of bag type grouting soil body |
-
2017
- 2017-12-12 CN CN201721722673.3U patent/CN207673358U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104856A (en) * | 2017-12-12 | 2018-06-01 | 华北科技学院 | A kind of slurry pouch grouted anchor bar and application method with control system |
| CN108104856B (en) * | 2017-12-12 | 2023-12-12 | 华北科技学院 | Grouting anchor rod with control system and grouting bag and use method |
| CN109236231A (en) * | 2018-11-02 | 2019-01-18 | 济南力稳岩土工程有限公司 | A kind of interior grouting device for blocking open-hole section crack water burst of mine drilling |
| CN109236231B (en) * | 2018-11-02 | 2024-04-09 | 济南力稳岩土工程有限公司 | Grouting device for plugging water burst in bare hole section crack in mine drilling |
| CN113638398A (en) * | 2021-09-13 | 2021-11-12 | 天津大学 | Active dynamic control method for stress of bag type grouting soil body |
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| Date | Code | Title | Description |
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| 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: 20180731 Termination date: 20211212 |