CN215860254U - Grouting anchor rod for geotechnical engineering - Google Patents
Grouting anchor rod for geotechnical engineering Download PDFInfo
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- CN215860254U CN215860254U CN202122180110.9U CN202122180110U CN215860254U CN 215860254 U CN215860254 U CN 215860254U CN 202122180110 U CN202122180110 U CN 202122180110U CN 215860254 U CN215860254 U CN 215860254U
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Abstract
The utility model discloses a grouting anchor rod for geotechnical engineering, which comprises an anchor rod main body, wherein the anchor rod main body comprises a hollow anchor rod, a grouting channel, a rod body opening, a stress ring, a closing spring, a movable plug opening, a sealing caulking groove, a self-closing plug head and a head fixing frame rod, an anchor head structure is arranged at the lower end of the anchor rod main body and comprises an anchor head main body, an installation screw hole, a discharging top chamber, a top chamber opening and a reinforcing block, an installation structure is sleeved on the side surface of the anchor rod main body and comprises a grout stop plug, a sealing ring, a sealing groove, an installation supporting plate, an installation screw opening, a fastening groove, a fastening ring and an installation nut, the lower end of the hollow anchor rod is arranged in the installation screw hole, and the grout stop plug, the installation supporting plate and the installation nut are sequentially sleeved on the side surface of the upper section of the hollow anchor rod. The grouting anchor rod for geotechnical engineering provided by the utility model can greatly enhance the working performance of the grouting anchor rod, can effectively prevent grout from being refilled, and is convenient to use.
Description
Technical Field
The utility model relates to the field of grouting anchor rods, in particular to a grouting anchor rod for geotechnical engineering.
Background
The grouting anchor rod is a new product developed according to the actual needs of tunnel engineering, slope treatment engineering, coal mine tunnel engineering and the like in China, and the main products are as follows: a common hollow grouting anchor rod; self-propelled hollow grouting anchor rods; an expansion shell type hollow grouting anchor rod; a combined hollow grouting anchor rod; the existing grouting anchor rod has certain defects when in use, a group of grouting ports are mostly only formed in the side surface of the rod body, the grouting time consumption is long, the grouting range is small, the working effect is to be improved, the grouting anchor rod is mostly subjected to the condition of grout recharging after the grouting, and the ending work is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a grouting anchor rod for geotechnical engineering, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a slip casting stock that geotechnical engineering used, includes the stock main part, the stock main part includes cavity stock, slip casting passageway, body of rod mouth, is forcing the ring, is closed a spring, activity bung hole, sealed caulking groove, self-closing chock plug and solid first hack lever, the anchor head structure is installed to stock main part lower extreme, the anchor head structure includes anchor head main part, installation screw, ejection of compact apical chamber, apical chamber mouth and reinforces the piece, the mounting structure is established to stock main part side surface cover, mounting structure includes only thick liquid stopper, sealing ring, seal groove, installation layer board, installation screw mouth, fastening groove, fastening ring and installation nut.
Preferably, a grouting channel is formed in the hollow anchor rod, a rod body opening is formed in the side surface of the grouting channel, a force applying ring is fixedly mounted above the opening of the inner side of the rod body opening, a closed spring is fixedly mounted on the upper side surface of the force applying ring, a movable plug opening is connected and mounted at the upper end of the closed spring, a sealing caulking groove is formed in the upper side surface of the movable plug opening, a self-closing plug head is movably contained in the sealing caulking groove, and a head fixing frame rod is fixedly welded to the side surface of the self-closing plug head.
Preferably, the upper side of the anchor head main body is provided with an installation screw hole, the bottom of the installation screw hole is provided with a discharging top chamber, the side surface of the discharging top chamber is provided with a top chamber opening, and the side surface of the anchor head main body is fixedly provided with a reinforcing block.
Preferably, the upper surface of the grout stopping plug is fixedly provided with a sealing ring, the sealing ring is embedded into a sealing groove, the sealing groove is formed in the middle of the bottom side of the mounting supporting plate, and the middle of the plate body of the mounting supporting plate is provided with a mounting screw.
Preferably, the opening edge at the upper end of the mounting screw is provided with a fastening groove, a fastening ring is movably connected in the fastening groove, and the fastening ring is fixedly welded and mounted at the bottom side of the mounting nut.
Preferably, the lower end of the hollow anchor rod is installed in the installation screw hole, and the grout stop plug, the installation supporting plate and the installation screw cap are sequentially sleeved on the side surface of the upper section of the hollow anchor rod.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, a common rock drill is used for drilling and cleaning holes, then a hollow anchor rod provided with an anchor head main body is inserted into the holes, a reinforcing block made of soft materials is bent to be tightly attached to the side surface of the anchor head main body to increase the thickness of the contact part of the anchor head main body and the hole wall, the strength of the anchor head main body is reinforced, the connection tightness is enhanced, a grout stop plug, a mounting support plate and a mounting screw are sequentially arranged, a sealing ring is clamped into a sealing groove to seal a gap at the connection part of the grout stop plug and the mounting support plate, the sealing performance of the grout stop plug is improved, a fastening ring is clamped into a fastening groove to reinforce the fastening capacity of a mounting screw cap, a grouting machine is connected, the machine is started for grouting, a movable plug opening is pushed under the action of hydraulic pressure of grout, the sealing caulking groove is separated from a self-closing plug head, an injection opening is exposed, grout is injected into a rock-soil gap on the side surface of the hollow anchor rod from a rod body opening and simultaneously enters a discharge top chamber and enters into the gap at the periphery of the lower end of the hollow anchor rod, the working performance is further improved, the grouting machine is disconnected after grouting is finished, the movable plug is controlled to rebound backwards after the closing spring loses compression, the grouting channel is sealed through the self-closing plug head, and the self-closing plug is convenient to use.
Drawings
Fig. 1 is a schematic view of an overall structure of a grouting anchor rod for geotechnical engineering in accordance with the present invention;
FIG. 2 is a schematic view of an anchor head structure of a grouting anchor rod for geotechnical engineering according to the present invention;
FIG. 3 is a schematic view illustrating an installation structure of a grouting anchor rod for geotechnical engineering according to the present invention;
fig. 4 is a schematic view of a main body portion of a grouted anchor rod for geotechnical engineering in accordance with the present invention.
In the figure: 1. an anchor body; 101. a hollow anchor rod; 102. grouting a channel; 103. a rod body opening; 104. A forcing ring; 105. a closed spring; 106. a movable stopper; 107. sealing the caulking groove; 108. a self-closing plug; 109. a head fixing frame rod; 2. an anchor head structure; 201. an anchor head body; 202. mounting a screw hole; 203. a discharge top chamber; 204. a roof port; 205. a reinforcing block; 3. a mounting structure; 301. a grout stopping plug; 302. a seal ring; 303. a sealing groove; 304. mounting a supporting plate; 305. installing a screw; 306. a fastening groove; 307. a fastening ring; 308. and (5) installing a nut.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-4, a grouting anchor rod for geotechnical engineering comprises an anchor rod main body 1, wherein the anchor rod main body 1 comprises a hollow anchor rod 101, a grouting channel 102, a rod body port 103, a force application ring 104, a closed spring 105, a movable plug port 106, a sealing caulking groove 107, a self-closing plug 108 and a head fixing frame rod 109, an anchor head structure 2 is installed at the lower end of the anchor rod main body 1, the anchor head structure 2 comprises an anchor head main body 201, an installation screw hole 202, a discharge top chamber 203, a top chamber port 204 and a reinforcing block 205, an installation structure 3 is installed on the side surface of the anchor rod main body 1 in a sleeved mode, and the installation structure 3 comprises a grout stop plug 301, a sealing ring 302, a sealing groove 303, an installation supporting plate 304, an installation screw port 305, a fastening groove 306, a fastening ring 307 and an installation nut 308;
a grouting channel 102 is formed in the hollow anchor rod 101, a rod body opening 103 is formed in the side surface of the grouting channel 102, a force applying ring 104 is fixedly mounted above the opening of the inner side of the rod body opening 103, a closed spring 105 is fixedly mounted on the upper side surface of the force applying ring 104, the upper end of the closed spring 105 is connected and mounted with a movable plug opening 106, a sealing caulking groove 107 is formed in the upper side surface of the movable plug opening 106, a self-closing head 108 is movably accommodated in the sealing caulking groove 107, and a head fixing frame rod 109 is fixedly welded and mounted on the side surface of the self-closing head 108; an installation screw hole 202 is formed in the upper side of the anchor head main body 201, a discharging top chamber 203 is formed in the bottom of the installation screw hole 202, a top chamber opening 204 is formed in the side surface of the discharging top chamber 203, a reinforcing block 205 is fixedly installed on the side surface of the anchor head main body 201, the hollow anchor rod 101 with the anchor head main body 201 installed is inserted into the hole, the reinforcing block 205 made of soft materials is bent to be tightly attached to the side surface of the anchor head main body 201 to increase the thickness of the contact part of the anchor head main body 201 and the hole wall, and the connection tightness is enhanced while the strength of the anchor head main body 201 is enhanced; the sealing ring 302 is fixedly installed on the surface of the upper side of the slurry stop plug 301, the sealing ring 302 is embedded into the sealing groove 303, the sealing groove 303 is arranged in the middle of the bottom side of the mounting support plate 304, the mounting screw 305 is arranged in the middle of the plate body of the mounting support plate 304, the sealing ring 302 is clamped into the sealing groove 303 to seal a gap at the joint of the slurry stop plug 301 and the mounting support plate 304, the sealing performance of the slurry stop plug 301 is improved, and the fastening ring 307 is clamped into the fastening groove 306 to strengthen the fastening capacity of the mounting nut 308; a fastening groove 306 is formed in the edge of an opening at the upper end of the mounting screw port 305, a fastening ring 307 is movably connected in the fastening groove 306, and the fastening ring 307 is fixedly welded and mounted on the bottom side of the mounting nut 308; the lower end of the hollow anchor rod 101 is installed in the installation screw hole 202, and the grout stop plug 301, the installation supporting plate 304 and the installation nut 308 are sequentially sleeved on the side surface of the upper section of the hollow anchor rod 101.
It should be noted that, the utility model is a grouting anchor rod for geotechnical engineering, when in use, a common rock drill is used for drilling and cleaning holes, then the hollow anchor rod 101 provided with the anchor head main body 201 is inserted into the holes, the reinforcing block 205 made of soft material is bent to be tightly attached to the side surface of the anchor head main body 201 to increase the thickness of the contact part of the anchor head main body 201 and the hole wall, the connection tightness is enhanced while the strength of the anchor head main body 201 is enhanced, the grout stopping plug 301, the mounting supporting plate 304 and the mounting screw 305 are sequentially arranged, the sealing ring 302 is clamped in the sealing groove 303 to seal the gap at the connection part of the grout stopping plug 301 and the mounting supporting plate 304, the sealing performance of the grout stopping plug 301 is improved, the fastening ring 307 is clamped in the fastening groove 306 to enhance the fastening capability of the mounting nut 308, the grouting machine is connected, the grouting machine is started, the movable plug 106 is pushed under the action of the hydraulic pressure of the grout, so that the sealing caulking groove 107 is separated from the self-closing plug 108, the injection opening is exposed, grout is injected into a rock-soil gap on the side surface of the hollow anchor rod 101 from the rod body opening 103, simultaneously enters the discharge top chamber 203, enters the rock-soil gap around the lower end of the hollow anchor rod 101 from the top chamber opening 204, the working performance is further improved, a grouting machine is disconnected after grouting is finished, the movable plug 106 is controlled to rebound backwards after the closing spring 105 loses compression, the grouting channel 102 is sealed through the self-closing plug 108, and backflow is prevented, so that the use is convenient.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a slip casting stock that geotechnical engineering used which characterized in that: comprises an anchor rod main body (1), the anchor rod main body (1) comprises a hollow anchor rod (101), a grouting channel (102), a rod body opening (103), a force application ring (104), a closed spring (105), a movable plug opening (106), a sealing caulking groove (107), a self-closing plug head (108) and a head fixing frame rod (109), an anchor head structure (2) is arranged at the lower end of the anchor rod main body (1), the anchor head structure (2) comprises an anchor head main body (201), an installation screw hole (202), a discharging top chamber (203), a top chamber opening (204) and a reinforcing block (205), the side surface of the anchor rod main body (1) is sleeved with a mounting structure (3), the mounting structure (3) comprises a grout stop plug (301), a sealing ring (302), a sealing groove (303), a mounting supporting plate (304), a mounting screw (305), a fastening groove (306), a fastening ring (307) and a mounting nut (308).
2. A grouted anchor rod for geotechnical engineering according to claim 1, wherein: the hollow anchor rod (101) is internally provided with a grouting channel (102), a rod body opening (103) is formed in the side surface of the grouting channel (102), a force ring (104) is fixedly mounted above the opening of the inner side of the rod body opening (103), a closed spring (105) is fixedly mounted on the upper side surface of the force ring (104), a movable plug opening (106) is connected and mounted at the upper end of the closed spring (105), a sealing caulking groove (107) is formed in the upper side surface of the movable plug opening (106), a self-closing head (108) is movably accommodated in the sealing caulking groove (107), and a head fixing frame rod (109) is fixedly welded to the side surface of the self-closing head (108).
3. A grouted anchor rod for geotechnical engineering according to claim 2, wherein: an installation screw hole (202) is formed in the upper side of the anchor head main body (201), a discharging top chamber (203) is formed in the bottom of the installation screw hole (202), a top chamber opening (204) is formed in the side surface of the discharging top chamber (203), and a reinforcing block (205) is fixedly installed on the side surface of the anchor head main body (201).
4. A grouted anchor rod for geotechnical engineering according to claim 3, wherein: stop thick liquid stopper (301) upside surface fixed mounting have sealing ring (302), sealing ring (302) embedding seal groove (303) are interior, installation layer board (304) bottom side middle part is seted up in seal groove (303), installation screw (305) have been seted up in installation layer board (304) plate body middle part.
5. A grouted anchor rod for geotechnical engineering according to claim 4, wherein: fastening grooves (306) are formed in the opening edges of the upper ends of the mounting screw ports (305), fastening rings (307) are movably connected in the fastening grooves (306), and the fastening rings (307) are fixedly welded and mounted on the bottom sides of the mounting screw caps (308).
6. A grouted anchor rod for geotechnical engineering according to claim 5, wherein: the lower end of the hollow anchor rod (101) is installed in the installation screw hole (202), and the grout stop plug (301), the installation supporting plate (304) and the installation nut (308) are sequentially sleeved on the side surface of the upper section of the hollow anchor rod (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180110.9U CN215860254U (en) | 2021-09-09 | 2021-09-09 | Grouting anchor rod for geotechnical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180110.9U CN215860254U (en) | 2021-09-09 | 2021-09-09 | Grouting anchor rod for geotechnical engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860254U true CN215860254U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122180110.9U Active CN215860254U (en) | 2021-09-09 | 2021-09-09 | Grouting anchor rod for geotechnical engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860254U (en) |
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2021
- 2021-09-09 CN CN202122180110.9U patent/CN215860254U/en active Active
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