CN212388541U - Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device - Google Patents
Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device Download PDFInfo
- Publication number
- CN212388541U CN212388541U CN202020857263.5U CN202020857263U CN212388541U CN 212388541 U CN212388541 U CN 212388541U CN 202020857263 U CN202020857263 U CN 202020857263U CN 212388541 U CN212388541 U CN 212388541U
- Authority
- CN
- China
- Prior art keywords
- anchor rod
- sleeve
- mandrel
- composite pipe
- outer side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
An anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device comprises a central anchoring rod, a top cover, a back-tightening nut, a buffer sleeve and an anchoring rod cover, wherein the top cover is arranged at the upper end of the central anchoring rod; the central anchor rod consists of a mandrel and an outer composite pipe, the outer composite pipe is arranged on the outer side of the mandrel, and the mandrel is a cylindrical shaft with two ends provided with threaded shafts; the utility model adopts the above technical scheme, good effect has been gained: the anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device effectively avoids the corrosion problem of the anchoring rod through the central anchor rod consisting of the mandrel and the outer composite pipe, and realizes local buffer displacement of the anchoring rod under the condition of impact load through the buffer ring made of soft metal materials in the buffer sleeve, thereby obviously improving the anchoring strength of the shelter and enabling the shelter to be firmer.
Description
Technical Field
The utility model mainly relates to a shelter protection field especially relates to an anti extrusion glass steel can compound anchor rod device of displacement.
Background
In the protection field of underground shelters, dome-shaped reinforced concrete is usually adopted for dome protection, but random modern striking means are continuously promoted, and the striking force is far beyond the range which can be borne by the traditional protection means, so that an anchoring rod is usually adopted for reinforcement at the upper part of the existing reinforced concrete dome protection layer, the anchoring rod is usually a steel anchoring rod, but in some high-humidity and high-salinity geological shelters, the steel anchoring rod is very easy to corrode, so that the anchoring effect is lost, and therefore corrosion-resistant glass fiber reinforced plastic anchoring is adopted for anchoring, but the existing glass fiber reinforced plastic anchoring rod can only bear static tension, has poor plastic deformation, cannot form displacement buffering in the process of impact load, and cannot meet the use requirement of the existing glass fiber reinforced plastic; therefore, a novel anchor rod is needed to solve the problem that the existing anchor rod cannot meet the requirements of corrosion resistance and buffer displacement after anchoring in a high-humidity and high-salinity geological shelter.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti extrusion glass steel can compound anchor rod device of displacement for solve current anchor rod and can't satisfy the corrosion-resistant and buffer displacement's after high humidity, high salinity geological shelter carry out the anchor problem.
The purpose of the utility model is realized by adopting the following technical scheme:
an anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device comprises a central anchoring rod, a top cover, a back-tightening nut, a buffer sleeve and an anchoring rod cover, wherein the top cover is arranged at the upper end of the central anchoring rod; the central anchor rod is composed of a mandrel and an outer composite pipe, the outer composite pipe is arranged on the outer side of the mandrel, the mandrel is a cylindrical shaft, two ends of the cylindrical shaft are provided with threaded shafts, and a nut is arranged on the threaded shaft at the lower end of the mandrel; the outer composite pipe is a lead screw with a cylindrical structure, an inner hole of the outer composite pipe is connected with the excircle of the mandrel, the external thread of the outer composite pipe is a large-pitch thread, and the tooth crest and the tooth depth of the external thread are both in a semicircular structure.
The buffer sleeve consists of an inner threaded sleeve, an outer sleeve, outer racks and a buffer ring, wherein the inner threaded sleeve is arranged on the outer side of the outer composite pipe of the central anchor rod, the buffer ring is arranged on the outer side of the inner threaded sleeve, the outer sleeve is arranged on the outer side of the buffer ring, and the outer racks are uniformly arranged on the outer side of the outer sleeve; the inner threaded sleeve is a conical threaded sleeve, an inner threaded hole of the inner threaded sleeve is in threaded fit with the outer composite pipe of the central anchor rod, and the outer side of the inner threaded sleeve is of a conical structure with a large upper part and a small lower part; the conical buffering ring is a conical sleeve, and the conical degree of the inner side of the buffering ring is consistent with that of the outer side conical surface of the inner thread sleeve and is matched and bonded; the outer sleeve is of a cylindrical structure, the inner circular surface of the outer sleeve is a conical inner conical surface, and the conical degrees of the inner conical surface of the outer sleeve and the conical surface of the outer side of the buffer ring are consistent and are matched and bonded; the outer rack is a rectangular strip vertically provided with saw-toothed teeth, and the outer teeth are arranged on the outer side of the outer rack; the heights of the inner threaded sleeve, the outer toothed bar and the buffer ring are consistent.
The top cover is of an inverted cone structure, a top cover threaded hole is formed in the center of the lower end of the top cover, and the top cover threaded hole is connected with a threaded shaft on the upper end of the central anchor rod mandrel in a matched mode.
The anchor rod cover is of a disc-shaped structure, an inwards concave semi-circular groove is formed in the middle of the upper surface of the anchor rod cover, an anchor rod cover through hole is formed in the middle of the semi-circular groove, and the anchor rod cover through hole is matched with a lower threaded shaft at the lower end of the central anchor rod core shaft to be installed and fixed through a nut at the lower part.
The outer composite pipe is made of corrosion-resistant composite materials.
The buffer ring is made of soft metal material.
The utility model adopts the above technical scheme, good effect has been gained: the anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device is characterized in that a central anchor rod consisting of a mandrel and an outer composite pipe is provided with
The corrosion problem of the anchor rod is effectively avoided, and the buffer ring made of soft metal materials in the buffer sleeve realizes local buffer displacement of the anchor rod under the condition of impact load, obviously improves the anchoring strength of the shelter, and makes the shelter firmer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the center anchor of fig. 1.
Fig. 3 is a schematic structural view of the cushion collar in fig. 1.
Fig. 4 is a top view of fig. 3.
In the figure: 1. The device comprises a central anchor rod, 2, an anchor rod cover, 3, a nut, 4, a buffer sleeve, 5, a top cover, 6, a shelter, 7, a grouting body, 8, a back-tightening nut, 9, blasting impact force, 10, an outer composite pipe, 11, a mandrel, 12, a buffer ring, 13, an outer sleeve, 14, an outer rack, 15 and an inner sleeve.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, the anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device comprises a central anchoring rod 1, a top cover 5, a back-tightening nut 8, a buffer sleeve 4 and an anchoring rod cover 2, wherein the central anchoring rod 1 is composed of a mandrel 11 and an outer composite pipe 10, the outer composite pipe 10 is arranged on the outer side of the mandrel 11, the mandrel 11 is a cylindrical shaft with threaded shafts at two ends, and a nut 3 is arranged on the threaded shaft at the lower end of the mandrel 11; the outer composite pipe 10 is a lead screw with a cylindrical structure, an inner hole of the outer composite pipe 10 is connected with the outer circle of the mandrel 11, an external thread of the outer composite pipe 10 is a large-pitch thread, the tooth tops and the tooth bottoms of the external thread are both in a semicircular structure, the outer composite pipe 10 is made of a corrosion-resistant composite material, and corrosion of the shelter 6 made of high-humidity and high-salinity materials to the shelter can be effectively avoided; the top cover 5 is arranged at the upper end of the mandrel 11 of the central anchor rod 1, the top cover 5 is of an inverted conical structure, a top cover threaded hole is formed in the center of the lower end of the top cover 5, and the top cover threaded hole is in matched connection with a threaded shaft at the upper end of the mandrel 11 of the central anchor rod 1; the buffer sleeve 4 is uniformly arranged on the outer side of the outer composite pipe 10 of the central anchor rod 1, the buffer sleeve 4 is composed of an inner sleeve 15, an outer sleeve 13, an outer rack 14 and a buffer ring 12, the inner sleeve 15 is arranged on the outer side of the outer composite pipe 10 of the central anchor rod 1, the inner sleeve 15 is a conical-structure sleeve, an inner threaded hole of the inner sleeve 15 is matched and installed with an external thread of the outer composite pipe 10 of the central anchor rod 1, and the outer side of the inner sleeve 15 is of a conical structure with a large top and a small bottom; the buffer ring 12 is arranged on the outer side of the inner threaded sleeve 15, the buffer ring 12 is a conical sleeve, the conical surface on the inner side of the buffer ring 12 is consistent with the conical surface on the outer side of the inner threaded sleeve 15 in taper and is matched and bonded, and the buffer ring 12 is made of soft metal materials; the outer sleeve 13 is arranged on the outer side of the buffer ring 12, the outer sleeve 13 is of a cylindrical structure, the inner circular surface of the outer sleeve 13 is a conical inner conical surface, and the conical degrees of the inner conical surface of the outer sleeve 13 and the outer conical surface of the buffer ring 12 are consistent and are matched and bonded; the outer racks 14 are uniformly arranged on the outer side of the outer sleeve 13, the outer racks 14 are rectangular strips vertically provided with saw-tooth shapes, and the outer teeth are arranged on the outer side of the outer racks 14; the heights of the inner threaded sleeve 15, the outer sleeve 13, the outer rack 14 and the buffer ring 12 are consistent; the back-tightening nut 8 is arranged on the upper part of the buffer sleeve 4 outside the composite pipe 10 outside the central anchor rod 1; the anchor rod cover 2 is arranged at the lower end of the central anchor rod 1 mandrel 11, the anchor rod cover 2 is of a disc-shaped structure, an inwards concave semicircular groove is formed in the middle of the upper surface of the anchor rod cover 2, an anchor rod cover through hole is formed in the middle of the semicircular groove, and the anchor rod cover through hole is matched with a lower threaded shaft at the lower end of the mandrel 10 and is fixed through a nut 3 at the lower part.
When the anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device is used, firstly, each buffer sleeve 4 is adjusted to a proper distance outside a central anchor rod outer composite pipe 10, then, a rotary tightening nut 8 is used for tightening the buffer sleeve 4 back on the outer composite pipe 10, a top cover 5 is fixed at the upper end of a core shaft 11, then, the whole buffer sleeve is integrally arranged in an anchor rod hole of a well-drilled shelter body 6, a grouting cover is arranged, a grouting body 7 is injected into the anchor rod hole, after the grouting body 7 is solidified, the grouting cover is taken down, the anchor rod cover 2 is arranged on a lower threaded shaft at the lower end of the core shaft 11, and the nut 3 is used for fixing and connecting to complete the installation of the anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device; in the blasting experiment, when the blasting impact force 9 impacts from the upper end, the top cover 5 transmits the force to the central anchor rod 1, the force is distributed to each buffer sleeve 4 through the mandrel 11 and the outer composite pipe 10, the force is dispersed to the externally solidified grouting body 7 and the shelter 6 through the outer sleeve 13 and the outer rack 14 on the outer side through the inner sleeve 15 and the buffer ring 12 in the buffer sleeve 4, and the inner sleeve 15 and the outer sleeve 13 can form axial relative movement under the action of the blasting impact force 9 of the buffer ring 12 in the buffer sleeve 4, so that the effect of buffering displacement of the central anchor rod 1 and the shelter 6 is realized.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides an anti extrusion glass steel can compound anchor rod device of displacement, includes central stock, top cap, back of the body tight nut, cushion collar and stock lid, characterized by: the top cover is arranged at the upper end of the central anchor rod, the buffer sleeves are uniformly arranged on the outer side of the central anchor rod, the back-up screw cap is arranged at the upper part of the buffer sleeve on the outer side of the central anchor rod, and the anchor rod cover is arranged at the lower end of the central anchor rod; the central anchor rod is composed of a mandrel and an outer composite pipe, the outer composite pipe is arranged on the outer side of the mandrel, the mandrel is a cylindrical shaft, two ends of the cylindrical shaft are provided with threaded shafts, and a nut is arranged on the threaded shaft at the lower end of the mandrel; the outer composite pipe is a lead screw with a cylindrical structure, an inner hole of the outer composite pipe is connected with the excircle of the mandrel, the external thread of the outer composite pipe is a large-pitch thread, and the tooth crest and the tooth depth of the external thread are both in a semicircular structure.
2. The anti-extrusion glass fiber reinforced plastic displaceable composite anchor rod apparatus of claim 1, wherein: the buffer sleeve consists of an inner threaded sleeve, an outer sleeve, outer racks and a buffer ring, wherein the inner threaded sleeve is arranged on the outer side of the outer composite pipe of the central anchor rod, the buffer ring is arranged on the outer side of the inner threaded sleeve, the outer sleeve is arranged on the outer side of the buffer ring, and the outer racks are uniformly arranged on the outer side of the outer sleeve; the inner threaded sleeve is a conical threaded sleeve, an inner threaded hole of the inner threaded sleeve is in threaded fit with the outer composite pipe of the central anchor rod, and the outer side of the inner threaded sleeve is of a conical structure with a large upper part and a small lower part; the conical buffering ring is a conical sleeve, and the conical degree of the inner side of the buffering ring is consistent with that of the outer side conical surface of the inner thread sleeve and is matched and bonded; the outer sleeve is of a cylindrical structure, the inner circular surface of the outer sleeve is a conical inner conical surface, and the conical degrees of the inner conical surface of the outer sleeve and the conical surface of the outer side of the buffer ring are consistent and are matched and bonded; the outer rack is a rectangular strip vertically provided with saw-toothed teeth, and the outer teeth are arranged on the outer side of the outer rack; the heights of the inner threaded sleeve, the outer toothed bar and the buffer ring are consistent.
3. The anti-extrusion glass fiber reinforced plastic displaceable composite anchor rod apparatus of claim 1, wherein: the top cover is of an inverted cone structure, a top cover threaded hole is formed in the center of the lower end of the top cover, and the top cover threaded hole is connected with a threaded shaft on the upper end of the central anchor rod mandrel in a matched mode.
4. The anti-extrusion glass fiber reinforced plastic displaceable composite anchor rod apparatus of claim 1, wherein: the anchor rod cover is of a disc-shaped structure, an inwards concave semi-circular groove is formed in the middle of the upper surface of the anchor rod cover, an anchor rod cover through hole is formed in the middle of the semi-circular groove, and the anchor rod cover through hole is matched with a lower threaded shaft at the lower end of the central anchor rod core shaft to be installed and fixed through a nut at the lower part.
5. The anti-extrusion glass fiber reinforced plastic displaceable composite anchor rod apparatus of claim 1, wherein: the outer composite pipe is made of corrosion-resistant composite materials.
6. The anti-extrusion glass fiber reinforced plastic displaceable composite anchor rod apparatus of claim 2, wherein: the buffer ring is made of soft metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857263.5U CN212388541U (en) | 2020-05-21 | 2020-05-21 | Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857263.5U CN212388541U (en) | 2020-05-21 | 2020-05-21 | Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212388541U true CN212388541U (en) | 2021-01-22 |
Family
ID=74252320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857263.5U Active CN212388541U (en) | 2020-05-21 | 2020-05-21 | Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212388541U (en) |
-
2020
- 2020-05-21 CN CN202020857263.5U patent/CN212388541U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201943725U (en) | Friction sleeve type large-deformation anchor rod | |
| CN102094662A (en) | Friction sleeve type large deformation anchor rod | |
| CN202809633U (en) | Connecting structure of pre-stressed high-strength concrete (PHC) pipe pile and bearing platform | |
| CN104060535A (en) | Prestress high-strength twisted steel anchoring system and construction method | |
| CN102493476A (en) | Post-tensioned prestressing pier foundation structure | |
| CN111021234A (en) | Self-resetting circular steel tube restrained reinforced concrete pier externally-wrapped column base node | |
| CN212388541U (en) | Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device | |
| CN201087507Y (en) | Pre-stress fabric plastic rib group anchor | |
| CN102644278B (en) | It is provided with the prestressing force support cantilever pile with steel-plastic structure of reinforced plastics stirrup | |
| CN206815169U (en) | Without the replaceable energy-dissipating device of bearing Self-resetting bridge | |
| CN203613533U (en) | Reinforced prestressed pipe pile | |
| CN104652430A (en) | Composite reinforcement partially prestressed concrete solid square pile and manufacturing method thereof | |
| CN201620415U (en) | Prestressed concrete pipe pile | |
| CN104234325A (en) | Novel FRP rib adhesive type anchorage device with screw plug and mounting method of anchorage device | |
| CN203361142U (en) | Variable cross-section concrete tube pile adapter substitute | |
| CN107143124B (en) | Superpressure scaffold steel pipe | |
| CN202380638U (en) | Concrete filled steel tube column with bottom provided with soft steel sleeve and inside embedded with high toughness materials | |
| CN214656998U (en) | Bag type expanded anchor rod with built-in reinforcing steel bar cage | |
| CN114561946A (en) | Novel anticorrosive impervious stock structure for building | |
| CN210856913U (en) | FRP (fiber reinforced plastic) confined concrete hollow self-resetting-mild steel extrusion energy dissipation pier structure | |
| CN203498853U (en) | Rock bolt foundation for power transmission tower | |
| CN203960742U (en) | Prestressed high-strength indented bars anchoring system | |
| CN202323991U (en) | Post-tensioned prestressing pier foundation structure | |
| CN203821247U (en) | Low-retraction anchorage device capable of being conveniently connected to hanging basket | |
| CN107059865B (en) | Prefabricated high-strength core body, pressure type anchor rod and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |