CN213450443U - Self-propelled hollow grouting anchor rod capable of detecting water pressure - Google Patents
Self-propelled hollow grouting anchor rod capable of detecting water pressure Download PDFInfo
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- CN213450443U CN213450443U CN202022568570.4U CN202022568570U CN213450443U CN 213450443 U CN213450443 U CN 213450443U CN 202022568570 U CN202022568570 U CN 202022568570U CN 213450443 U CN213450443 U CN 213450443U
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- anchor rod
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- water pressure
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Abstract
The self-advancing hollow grouting anchor rod comprises an anchor rod body, wherein the anchor rod body is hollow, a grout stop plug is arranged at the upper end of the anchor rod body, a fixing nut is arranged at the upper end of the grout stop plug, and a gasket is arranged between the grout stop plug 2 and the fixing nut; the anchor rod body is provided with a first through hole, a test rod is movably arranged in the first through hole, the test rod is provided with a circular ring, a first mounting hole is formed in the first through hole, and a first spring is arranged between the bottom surface of the first mounting hole and the circular ring; the anchor rod comprises an anchor rod body and is characterized in that a front sleeve is installed at the lower end of the anchor rod body, an expansion block is installed on the front sleeve, and the expansion block is integrally made of low-carbon steel in a U shape. Insert the anchor eye through the stock body, the downthehole water of anchor passes through water pressure and outwards promotes the test rod, and the first spring of test rod motion oppression realizes water pressure monitoring through the test rod at the bulge height of front end, thereby increases the inflation piece at the tail end and plays better fixed effect.
Description
Technical Field
The utility model belongs to slip casting stock field, concretely relates to can detect hydraulic formula cavity slip casting stock of advancing certainly.
Background
As an active supporting means, the anchor bolt support has the obvious advantages of simple process, convenient construction, less material consumption, low cost, good supporting effect, strong environmental adaptability and the like, and is widely applied to tunnel engineering and coal mine roadway engineering. The anchor bolt support principle is that one end of an anchor bolt is anchored in a firm rock stratum, the other end of the anchor bolt extends to the outside of a rock body and applies axial pretightening force, and deformation, separation layer falling and dislocation sliding of surrounding rock are restrained through an auxiliary baffle component and the like arranged on the anchor bolt.
With the construction environment of tunnels and underground engineering becoming more and more complex, if unfavorable geological conditions such as surrounding rock breakage or fractured rock strata are met, abundant underground water is easy to exist. When anchor bolt supporting construction is carried out in the environment, underground water can enter the anchor hole along the crack, and has the effects of permeation, erosion and stripping on the hole wall, so that the collapse and the damage of the anchor hole are caused, the joint effect of the anchor bolt and the anchor hole is weakened, the anchoring effect of the anchor bolt can be seriously reduced, the anchor bolt even fails and falls off, the collapse of surrounding rocks due to the loss of control is caused, and safety accidents are very easy to happen. Moreover, when the anchoring and supporting construction is carried out in a complex environment, the development condition of underground water in surrounding rocks needs to be mastered, and supporting parameters need to be adjusted in time.
Disclosure of Invention
To prior art's not enough, this disclosed aim at provides a self-propelled cavity slip casting stock that can detect water pressure, has realized the monitoring to the downthehole water pressure of anchor.
The purpose of the disclosure can be realized by the following technical scheme:
a self-propelled hollow grouting anchor rod capable of detecting water pressure comprises an anchor rod body, wherein the anchor rod body is hollow, a grout stop plug is mounted at the upper end of the anchor rod body, a fixing nut is mounted at the upper end of the grout stop plug, and a gasket is arranged between the grout stop plug and the fixing nut;
the anchor rod body is provided with a first through hole, a test rod is movably arranged in the first through hole, the test rod is provided with a circular ring, a first mounting hole is formed in the first through hole, and a first spring is arranged between the bottom surface of the first mounting hole and the circular ring;
the anchor rod comprises an anchor rod body and is characterized in that a front sleeve is installed at the lower end of the anchor rod body, an expansion block is installed on the front sleeve, and the expansion block is integrally made of low-carbon steel in a U shape.
Furthermore, the whole body of the anchor rod body is provided with a first external thread, the grout stopping plug is provided with a first internal thread), and the front sleeve is provided with a second external thread.
Furthermore, the anchor rod body is provided with a connecting sleeve, and the connecting sleeve is provided with a third internal thread.
Furthermore, a plurality of semicircular grooves are formed in the two ends of the anchor rod body, and third through holes corresponding to the semicircular grooves are formed in the connecting sleeve.
Furthermore, the grout stopping plug is provided with an inclined hole, the anchor rod body is provided with a feeding hole, and the inclined hole feeding hole is communicated with the feeding hole after the grout stopping plug is installed.
Furthermore, a fourth through hole is formed in the anchor rod body.
The beneficial effect of this disclosure:
water pressure monitoring is realized by pushing the test rod to move through water in the anchor hole.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;
FIG. 2 is an anatomical schematic of an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a partial explosion of an embodiment of the disclosure;
fig. 4 is a partially exploded schematic view of an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
As shown in fig. 1-4, a self-propelled hollow grouting anchor rod capable of detecting water pressure comprises an anchor rod body 1, wherein the anchor rod body 1 is hollow, a grout stop plug 2 is mounted at the upper end of the anchor rod body 1, a fixing nut 4 is mounted at the upper end of the grout stop plug 2, the fixing nut 4 is in threaded connection with the grout stop plug 2, and a gasket 3 is arranged between the grout stop plug 2 and the fixing nut 4;
a first through hole 104 is formed in the anchor rod body 1, the axis of the first through hole 104 is parallel to the anchor rod body 1, a test rod 8 is movably mounted in the first through hole 104, a circular ring 801 is arranged on the test rod 8, a first mounting hole 105 is formed in the first through hole 104, the first mounting hole 105 is concentric with the first through hole 104, and a first spring 9 is arranged between the bottom surface of the first mounting hole 105 and the circular ring 801; through such structure, can insert the anchor eye at the stock body 1, the downthehole water of anchor passes through water pressure and outwards promotes test rod 8, and test rod 8 moves oppresses first spring 9, realizes water pressure monitoring through the protrusion height of test rod 8 at the front end.
In some disclosures, the whole body of the anchor rod body 1 is provided with a first external thread 101, and the grout stop plug 2 is provided with a first internal thread 201, so that the grout stop plug 2 can be conveniently mounted and dismounted.
In some disclosures, a front sleeve 5 is mounted at the lower end of the anchor rod body 1, a second internal thread 501 is formed on the front sleeve 5, the front sleeve 5 is in threaded connection with the lower end of the anchor rod body 1 through the second internal thread 501, and a plurality of second through holes 502 and a plurality of second mounting holes 503 are formed in the side surface of the front sleeve 5;
the front sleeve 5 is provided with an expansion block 6, the expansion block 6 is integrally made of low-carbon steel in a U shape, the expansion block 6 is provided with a plurality of first mounting columns 601, the first mounting columns 601 are mounted in the second mounting holes 503, and the expansion block 6 covers the second through hole 502; when grouting is started, the anchoring agent flows out through the second through hole 502 and props the expansion block 6 open; through the design, the expansion block 6 can be guaranteed to be expanded, so that a better fixing effect is achieved.
In some disclosures, be equipped with connecting sleeve 7 on the stock body 1, connecting sleeve 7 is equipped with third internal thread 701, and two stock bodies 1 are respectively through threaded connection at the upper and lower both ends of connecting sleeve 7, ends through so designing, can realize having strengthened the flexibility of using to the adjustment of the whole length of stock.
In some disclosures, a plurality of semicircular grooves 102 are formed in two ends of the anchor rod body 1, a third through hole 702 corresponding to the semicircular grooves 102 is formed in the connecting sleeve 7, the semicircular grooves 102 of the anchor rod body 1 above and below the connecting sleeve 7 are aligned to form a through hole during installation, the semicircular grooves 102 are aligned to form a through hole which is aligned with the third through hole 702, through the design, the anchoring agent can flow out from the third through hole 702 during grouting to fully fill the anchor hole, and the quality problem caused by insufficient filling of the anchoring agent due to the fact that the anchor rod is too long is avoided.
In some disclosures, the grout stopping plug 2 is provided with an inclined hole 202, the anchor rod body 1 is provided with a feed inlet 106, the feed inlets 106 of the inclined hole 202 are communicated when the grout stopping plug 2 is installed in place, and grouting can be performed from the inclined hole 202 through the design, so that gas in the anchor hole can be discharged from the grouting hole of the anchor rod body 1, and grouting tightness is guaranteed.
In some disclosures, the anchor rod body 1 is provided with a fourth through hole 103, the axis of the fourth through hole 103 is parallel to the anchor rod body 1, the fourth through hole 103 penetrates through the first external thread 101, through the design, gas in the anchor hole can be discharged, and the fourth through hole 103 penetrates through the first external thread 10 to ensure that each position of the anchor rod can be fully exhausted.
The working principle is as follows:
insert the anchor eye through the stock body 1, the downthehole water of stock passes through water pressure and outwards promotes test rod 8, and test rod 8 moves oppresses first spring 9, realizes water pressure monitoring through test rod 8 at the bulge height of front end, thereby increases expansion block 6 at the tail end and plays better fixed effect.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.
Claims (6)
1. A self-propelled hollow grouting anchor rod capable of detecting water pressure comprises an anchor rod body (1) and is characterized in that the anchor rod body (1) is hollow, a grout stop plug (2) is mounted at the upper end of the anchor rod body (1), a fixing nut (4) is mounted at the upper end of the grout stop plug (2), and a gasket (3) is arranged between the grout stop plug (2) and the fixing nut (4);
a first through hole (104) is formed in the anchor rod body (1), a test rod (8) is movably mounted in the first through hole (104), a circular ring (801) is arranged on the test rod (8), a first mounting hole (105) is formed in the first through hole (104), and a first spring (9) is arranged between the bottom surface of the first mounting hole (105) and the circular ring (801);
sleeve (5) before anchor rod body (1) lower extreme is installed, install expansion block (6) on preceding sleeve (5), expansion block (6) are whole to be the U type and adopt the low carbon steel preparation.
2. The self-propelled hollow grouting anchor rod capable of detecting water pressure as claimed in claim 1, wherein the anchor rod body (1) is provided with a first external thread (101) on the whole, the grout stop plug (2) is provided with a first internal thread (201), and the front sleeve (5) is provided with a second external thread (501).
3. A self-advancing hollow grouting anchor rod capable of detecting water pressure as claimed in claim 2, wherein the anchor rod body (1) is provided with a connecting sleeve (7), and the connecting sleeve (7) is provided with a third internal thread (701).
4. The self-propelled hollow grouting anchor rod capable of detecting water pressure as claimed in claim 3, wherein a plurality of semicircular grooves (102) are formed at both ends of the anchor rod body (1), and a third through hole (702) corresponding to the semicircular grooves (102) is formed in the connecting sleeve (7).
5. The self-propelled hollow grouting anchor rod capable of detecting water pressure according to claim 4, wherein the grout stop plug (2) is provided with an inclined hole (202), the anchor rod body (1) is provided with a feeding hole (106), and the feeding holes (106) of the inclined hole (202) are communicated after the grout stop plug (2) is installed.
6. The self-propelled hollow grouting anchor rod capable of detecting water pressure as claimed in claim 5, wherein the anchor rod body (1) is provided with a fourth through hole (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568570.4U CN213450443U (en) | 2020-11-09 | 2020-11-09 | Self-propelled hollow grouting anchor rod capable of detecting water pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568570.4U CN213450443U (en) | 2020-11-09 | 2020-11-09 | Self-propelled hollow grouting anchor rod capable of detecting water pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213450443U true CN213450443U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022568570.4U Active CN213450443U (en) | 2020-11-09 | 2020-11-09 | Self-propelled hollow grouting anchor rod capable of detecting water pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213450443U (en) |
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2020
- 2020-11-09 CN CN202022568570.4U patent/CN213450443U/en active Active
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