CN213978940U - NPR anchor rope is from aligning bulb punching device - Google Patents
NPR anchor rope is from aligning bulb punching device Download PDFInfo
- Publication number
- CN213978940U CN213978940U CN202022034746.8U CN202022034746U CN213978940U CN 213978940 U CN213978940 U CN 213978940U CN 202022034746 U CN202022034746 U CN 202022034746U CN 213978940 U CN213978940 U CN 213978940U
- Authority
- CN
- China
- Prior art keywords
- aligning
- adjusting part
- annular
- concave
- spherical
- 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
- 238000004080 punching Methods 0.000 title claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 20
- 238000005553 drilling Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a NPR anchor rope is from aligning bulb device of punching, include: the last bulb aligning part of setting between annular arch on the constant resistance sleeve pipe and the annular backing plate goes up bulb aligning part and includes: an upper spherical adjusting part with an upper spherical surface, an upper concave adjusting part with an upper arc-shaped concave surface, and the upper arc-shaped concave surface is attached to the upper spherical surface; one of the upper concave adjusting part and the upper spherical adjusting part is arranged on an annular bulge arranged on the constant-resistance sleeve, and the other one is arranged on the annular base plate; an upper spherical adjusting part or an upper concave adjusting part is arranged on the annular base plate, and an upper annular adjusting interval is arranged between the upper spherical adjusting part or the upper concave adjusting part and the outer peripheral surface of the constant-resistance sleeve. The utility model discloses can solve the produced problem of the axis of constant resistance sheathed tube and the axial force nonconformity that the NPR anchor rope receives.
Description
Technical Field
The utility model belongs to the NPR anchor rope, concretely relates to NPR anchor rope is from aligning bulb device of punching.
Background
In 2011, a constant-resistance anchor cable which has high constant resistance, large elongation and strong energy absorption and structurally presents a negative poisson ratio effect is researched and developed by a deep national key laboratory and how-to-flood academician team. Based on the excellent characteristics of high constant resistance, large elongation and strong energy absorption of the constant-resistance anchor cable in large-deformation support, a brand-new coal mining process, namely a 110 construction method and an N00 construction method, and a landslide Newton force remote monitoring system integrating slope control, reinforcement, monitoring and early warning are explored and developed at present. At present, more than 500 coal mines exist in China, and the three outstanding problems of safety, resource recovery and mining cost, which are faced by the coal industry for a long time, are effectively solved by adopting a 110 construction method. Due to the excellent large deformation characteristic of the constant-resistance anchor cable, the large deformation control effect for soft rock is remarkable, and the application field is wider and wider.
In the field construction process, due to the reasons of complex field construction environmental conditions, non-mutual perpendicularity of the anchor pier cross section and the anchor cable axis, improper installation of the sensor, error in the construction of the construction worker during drilling construction, uncleaned cement in the drilled hole and the like, the axis of the constant-resistance sleeve and the stress direction of the anchor cable are not collinear, and the axial force direction is deviated when pretightening force is applied. The stress direction of the constant-resistance body is not collinear with the axis of the constant-resistance sleeve, namely the ideal working state of the NPR sleeve cannot be achieved, the large deformation characteristic part of the constant-resistance anchor rope fails, the actual constant-resistance value of the NPR anchor rope and the preset constant-resistance value generate large deviation, the NPR anchor rope cannot be guaranteed to be used to achieve the preset effect, and the effects of engineering reinforcement, control and the like are attenuated.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a NPR anchor rope is from aligning bulb punching device to overcome the actual constant resistance value of NPR anchor rope among the prior art and predetermine the constant resistance value and produce great deviation, influence the problem of the function of NPR anchor rope.
In order to achieve the above object, the present invention provides the following technical solutions: NPR anchor rope is from aligning bulb punching device includes:
go up bulb aligning part, go up bulb aligning part and set up between annular protrusion and the annular backing plate on the constant resistance sleeve pipe, the constant resistance sleeve pipe runs through go up bulb aligning part, it includes to go up bulb aligning part:
the upper spherical adjusting part is provided with an upper spherical surface, and the convex direction of the upper spherical surface faces the upper concave adjusting part;
the upper concave adjusting part is provided with an upper arc-shaped concave surface, and the upper arc-shaped concave surface is attached to the upper spherical surface;
one of the upper concave adjusting part and the upper spherical adjusting part is arranged on an annular bulge arranged on the constant-resistance sleeve, and the other one is arranged on an annular base plate;
the upper spherical adjusting part or the upper concave adjusting part is arranged on the annular base plate, and an upper annular adjusting interval is arranged between the upper spherical adjusting part or the upper concave adjusting part and the outer peripheral surface of the constant-resistance sleeve.
Further, in a case where the upper concave adjustment portion is provided on the annular shim plate, a base portion is provided between the upper concave adjustment portion and the annular shim plate.
Further, the punching device still includes bulb aligning part down, bulb aligning part sets up down between annular backing plate and the last bulb aligning part, the constant resistance sleeve pipe runs through bulb aligning part down, bulb aligning part's internal face with annular adjustment interval down has between the sheathed tube outer peripheral face of constant resistance, bulb aligning part includes down:
a lower spherical adjusting part, which is provided with a lower spherical surface, wherein the convex direction of the lower spherical surface faces to the lower concave adjusting part;
the concave adjusting part is provided with a lower arc-shaped concave surface, and the lower arc-shaped concave surface is attached to the lower spherical surface;
the lower spherical adjusting part or the lower concave adjusting part positioned below is contacted with the annular base plate, and the other one is contacted with the upper concave adjusting part.
Further, the NPR anchor cable self-aligning ball-head piercing device further comprises a lower ball-head aligning portion, the lower ball-head aligning portion is arranged between the annular base plate and the base, the constant-resistance sleeve penetrates through the lower ball-head aligning portion, and the lower ball-head aligning portion comprises a lower spherical adjusting portion and a lower concave adjusting portion;
the lower spherical adjusting part is provided with a lower spherical surface, and the convex direction of the lower spherical surface faces the lower concave adjusting part;
the lower concave adjusting part is provided with a lower arc-shaped concave surface, and the lower arc-shaped concave surface is attached to the lower spherical surface;
one of the lower spherical adjusting part and the lower concave adjusting part which is positioned at the lower part is contacted with the annular base plate, the other one is contacted with the base part, and a lower annular adjusting interval is arranged between the inner wall surface of the lower ball head aligning part and the outer peripheral surface of the constant-resistance sleeve.
Further, the concave adjusting part is in contact with the annular base plate, and the upper spherical adjusting part, the base part and the concave adjusting part are fixedly connected under the condition that the lower spherical adjusting part is in contact with the base part.
Further, the width of the lower annular adjustment space is greater than the width of the upper annular adjustment space.
Further, the outer side of the upper arc-shaped concave surface is provided with an upper annular plane;
the outer side of the lower arc-shaped concave surface is provided with a lower annular plane.
Further, the radius of curvature of the upper spherical surface is smaller than the radius of curvature of the lower spherical surface.
Further, the outer diameters of the upper ball aligning portion, the lower ball aligning portion and the base are equal.
Furthermore, under the condition that the upper spherical adjusting part is arranged on the annular bulge on the constant-resistance sleeve;
the upper end of the upper spherical adjusting part is provided with an annular groove, the radial size of the annular groove is equal to that of the annular bulge, and the annular bulge is inserted into the annular groove.
Compared with the closest prior art, the utility model provides a technical scheme has following beneficial effect at least:
1) the utility model discloses can use mountain slope, highway, railway, tunnel etc. and need carry out landslide protection, the field that detects to the side slope, the range of application is wider.
2) The utility model discloses can solve because on-spot various complicated construction bar portion, there is not the problem that produces with the axial force nonconformity that NPR anchor rope receives of the permanent resistance sheathed tube axis that causes such as cement does not clear up in error, the drilling of having in the construction of construction worker drilling construction on anchor pier surface when geological environment is complicated, anchor pier construction.
3) The utility model discloses can adjust the constant resistance sleeve pipe axis (the atress direction of anchor rope is not adjustable), make its and anchor rope atress direction collineation, guarantee that the NPR anchor rope is working under the preset condition (the power that the constant resistance body received promptly and the axial collineation of the constant resistance body), guarantee promptly that the actual constant resistance value of NPR anchor rope does not produce big deviation with presetting the constant resistance value to guarantee the reinforcing effect of NPR anchor rope to the landslide body.
4) The utility model discloses an actual installation easy operation, the installation effectiveness is high.
Drawings
Fig. 1 is a schematic structural view of a specific embodiment of the NPR anchor cable self-aligning ball head piercing device of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
fig. 4 is an enlarged view at C in fig. 2.
In the figure: 1. a constant resistance bushing; 2. an annular projection; 3. an upper spherical adjustment part; 4. an upper concave adjustment part; 5. A base; 6. a lower spherical adjustment part; 7. a concave adjusting part; 8. an annular backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-4, the utility model provides a NPR anchor rope is from aligning bulb heart-penetrating device, the drill way of drilling is provided with annular backing plate 8, and annular backing plate 8's external diameter is unanimous with the diameter of drilling inner wall, installs annular backing plate 8 additional in the lower part of concave adjustment portion 7 down and can ensure that basal portion 5 and constant resistance sleeve pipe 1, basal portion 5 and the pore wall of drilling closely laminate. In the following embodiments, when the width of the upper annular adjustment interval is 2mm and the width of the lower annular adjustment interval is 4mm, the width of the first annular interval is 5mm, that is, the inner diameter of the annular shim plate 8 is 10mm larger than the outer diameter of the constant resistance sleeve 1. In the embodiment of the utility model, the base part 5 can be a connector or a mechanical sensor, when the base part 5 is the connector, the NPR anchor cable self-aligning ball head core penetrating device is only used for adjusting the axial force of the axis of the constant-resistance sleeve 1 and the NPR anchor cable, so that the directions of the two are consistent; when the base part 5 is a mechanical sensor, the direction of the axial force can be adjusted, and the stress condition can be tested.
The utility model discloses a NPR anchor rope is from aligning bulb piercing depth's concrete embodiment: the NPR anchor rope self-aligning ball head piercing device comprises a base 5, an upper ball head aligning part and a lower ball head aligning part, the outer diameters of the upper ball head aligning part, the lower ball head aligning part and the base 5 are equal, and a constant-resistance sleeve 1 penetrates through the piercing device.
The upper ball head aligning part is arranged between the annular bulge 2 on the constant-resistance sleeve 1 and the base part 5, and the constant-resistance sleeve 1 penetrates through the upper ball head aligning part.
The upper ball head aligning part comprises an upper spherical adjusting part 3 and an upper concave adjusting part 4; the outer diameters of the upper spherical adjusting part 3 and the upper concave adjusting part 4 are consistent with the top outer diameter of the base part 5. In one upper spherical adjustment portion 3 or upper concave adjustment portion 4 provided on the base portion 5, an upper annular adjustment interval is provided between the inner wall surface and the outer peripheral surface of the constant resistance sleeve 1, and preferably, the width of the upper annular adjustment interval is 2 mm. The upper spherical adjusting part 3 is provided with an upper spherical surface, and the convex direction of the upper spherical surface faces the upper concave adjusting part 4; the upper concave adjusting part 4 has an upper arc-shaped concave surface, the diameter of the sphere corresponding to the upper arc-shaped concave surface is the same as the diameter of the sphere corresponding to the upper spherical surface (the curvature is the same), and the upper arc-shaped concave surface is attached to the upper spherical surface. In other embodiments, an upper annular flat surface may be provided on the outer side of the upper arc-shaped concave surface (the upper surface of the upper concave adjustment portion 4 has a configuration of an edge flat surface and a middle arc-shaped concave surface). The advantage is that the edge of the upper concave adjusting plate 4 is prevented from generating a sharp corner with a smaller angle, and the sharp corner with the smaller angle is easy to deform and damage, so that the matching of the upper spherical surface and the upper arc-shaped concave surface is influenced. One of the upper spherical adjustment part 3 and the upper concave adjustment part 4 is arranged on the annular bulge 2 on the constant resistance sleeve 1, and the other is arranged on the base part 5, in the embodiment, the upper spherical adjustment part 3 is arranged on the annular bulge 2 on the constant resistance sleeve 1: the upper end of the upper spherical adjusting part 3 is provided with an annular groove, the radial size of the annular groove is equal to that of the annular bulge 2, and the annular bulge 2 is inserted into the annular groove.
The lower ball head aligning part is arranged between the annular base plate 8 and the base part 5, the constant-resistance sleeve 1 penetrates through the lower ball head aligning part, a lower annular adjusting interval is arranged between the inner wall surface of the lower ball head aligning part and the outer peripheral surface of the constant-resistance sleeve 1, the width of the lower annular adjusting interval is larger than that of the upper annular adjusting interval, preferably, the width of the lower annular adjusting interval is 4mm, and therefore the NPR anchor cable can better exert the performance of the device from the aligning ball head aligning device.
The lower ball head aligning part comprises a lower spherical adjusting part 6 and a lower concave adjusting part 7; the outer diameters of the lower spherical adjustment part 6 and the lower concave adjustment part 7 are consistent with the outer diameter of the bottom of the base part 5, one of the lower spherical adjustment part 6 and the lower concave adjustment part 7 is arranged on the base part 5, and the other is arranged on the annular base plate 8. In other embodiments, the outer side of the lower arc-shaped concave surface has a lower annular flat surface, which has the advantage of avoiding the edge of the lower concave adjusting plate 7 from generating a sharp corner with a smaller angle, and the sharp corner with the smaller angle is easy to deform and damage, thereby affecting the matching of the lower arc-shaped concave surface and the lower spherical surface. In the present embodiment, the lower spherical adjustment portion 6 is provided at the lower end of the base portion 5, and the lower concave adjustment portion 7 is provided at the upper end of the annular shim plate 8. The lower spherical adjusting part 6 has a lower spherical surface, and the convex direction of the lower spherical surface faces the lower concave adjusting part 7; the concave adjustment portion 7 has a lower arc-shaped concave surface, the diameter of the corresponding sphere of the lower arc-shaped concave surface is the same as the diameter of the corresponding sphere of the lower spherical surface (the curvature is the same), and the lower arc-shaped concave surface is attached to the lower spherical surface. In other embodiments, a configuration in which the outer side of the lower arc-shaped concave surface has a lower annular flat surface (the upper surface of the lower concave adjustment portion 7 has an edge flat surface and a middle arc-shaped concave surface) may be adopted.
In the present embodiment, the radius of curvature of the upper spherical surface is equal to the radius of curvature of the lower spherical surface. In other embodiments, the radius of curvature of the upper spherical surface is less than the radius of curvature of the lower spherical surface. The advantage is that the centering process is smoother.
The utility model discloses a NPR anchor rope is from aligning ball head punching device's technical scheme is actually to adopt last bulb aligning part, lower bulb aligning part to replace traditional sensor backing plate, realizes the doublestage from the aligning.
In the drilling construction process, the traditional drilling process is adopted, hole forming operation is carried out according to construction requirements and specific geological conditions, the drilling depth and the drilling angle need to meet the construction requirements, and the drilling length needs to penetrate through a side slope sliding surface.
When installing NPR anchor rope from aligning bulb piercing depth, in proper order according to concave adjustment portion 7, lower spherical adjustment portion 6, basal portion 5, go up concave adjustment portion, go up the order installation of spherical adjustment portion 3, insert NPR anchor rope from aligning bulb piercing depth with constant resistance sleeve pipe 1 again, then insert in the middle of drilling with constant resistance sleeve pipe 1 and NPR anchor rope from aligning bulb piercing depth in the lump, at last with the constant resistance body suit on the anchor rope, and install the clamping piece additional between constant resistance body and anchor rope, insert the constant resistance body that has the anchor rope again among the constant resistance sleeve pipe 1, it is to notice: 1. the upper ball head aligning part and the lower ball head aligning part are used for ensuring the fit of the upper spherical surface and the upper arc-shaped concave surface and the fit of the lower spherical surface and the lower arc-shaped concave surface. 2. The constant-resistance body is ensured to be tightly attached to the anchor cable and the constant-resistance body is ensured to be tightly attached to the constant-resistance sleeve 1.
When the anchor cable is anchored, a resin cartridge is arranged between the conical body at the lower end part of the constant-resistance large-deformation cable rope and the constant-resistance sleeve 1, and the resin cartridge is integrated by utilizing the adhesive force of the resin cartridge. The constant-resistance sleeve 1 and the hole wall are anchored by a high-pressure grouting measure.
When the anchor pier is poured, the surface of the anchor pier is required to be kept vertical to the axis of the anchor cable, and when the strength of grouting slurry and pedestal concrete reaches over 80 percent of the design strength, tensioning and locking operation can be carried out. Before the anchor cable is formally tensioned, 10-20% of design tensioning load is adopted, and the anchor cable is pre-tensioned for 1-2 times, so that all parts are tightly contacted, and the steel strand is completely straight. In the tensioning process, the stretching process is preferably carried out according to the operation principle of firstly stretching left and right and then stretching middle, firstly stretching up and down and then stretching middle, and firstly diagonal and then stretching middle, so that the eccentric phenomenon is avoided to the greatest extent.
In the tensioning process, the NPR giant anchor cable is prestressed to fix the constant-resistance sleeve 1 and the base part 5, and no matter whether the axial force direction borne by the constant-resistance sleeve 1 is inconsistent with the axial force direction borne by the anchor cable, the angle is adjusted through the NPR anchor cable self-aligning ball head core penetrating device, so that the direction consistency of the NPR anchor cable and the core penetrating device is ensured.
To sum up, the utility model discloses a NPR anchor rope is from aligning ball head punching device compares prior art and has following technological effect:
1) the utility model discloses can use mountain slope, highway, railway, tunnel etc. and need carry out landslide protection, the field that detects to the side slope, the range of application is wider.
2) The utility model discloses can solve because the various complicated construction conditions in scene, there is not the problem that produces with the axial force nonconformity that NPR anchor rope receives on the anchor pier axis that causes such as cement does not clear up in error, the drilling of having in the anchor pier surface when geological environment is complicated, anchor pier construction when, construction worker drilling construction.
3) The utility model discloses can adjust the constant resistance sleeve pipe axis (the atress direction of anchor rope is not adjustable), make its and anchor rope atress direction collineation, guarantee that the NPR anchor rope is working under the preset condition (the power that the constant resistance body received promptly and the axial collineation of the constant resistance body), guarantee promptly that the actual constant resistance value of NPR anchor rope does not produce big deviation with presetting the constant resistance value to guarantee the reinforcing effect of NPR anchor rope to the landslide body.
4) The utility model discloses an actual installation easy operation, the installation effectiveness is high.
The foregoing is considered as illustrative and not restrictive, and all changes coming within the spirit and principles of the invention are intended to be embraced therein.
Claims (10)
- NPR anchor rope is from aligning bulb device of punching, its characterized in that: the method comprises the following steps:go up bulb aligning part, go up bulb aligning part and set up between annular protrusion and the annular backing plate on the constant resistance sleeve pipe, the constant resistance sleeve pipe runs through go up bulb aligning part, it includes to go up bulb aligning part:the upper spherical adjusting part is provided with an upper spherical surface, and the convex direction of the upper spherical surface faces the upper concave adjusting part;the upper concave adjusting part is provided with an upper arc-shaped concave surface, and the upper arc-shaped concave surface is attached to the upper spherical surface;one of the upper concave adjusting part and the upper spherical adjusting part is arranged on an annular bulge arranged on the constant-resistance sleeve, and the other one is arranged on an annular base plate;the upper spherical adjusting part or the upper concave adjusting part is arranged on the annular base plate, and an upper annular adjusting interval is arranged between the upper spherical adjusting part or the upper concave adjusting part and the outer peripheral surface of the constant-resistance sleeve.
- 2. The NPR anchor rope self-aligning ball-head piercing device of claim 1, wherein: when the upper concave adjusting portion is provided on the annular shim plate, a base portion is provided between the upper concave adjusting portion and the annular shim plate.
- 3. The NPR anchor cable self-aligning ball-head piercing device of claim 2, wherein: the punching device further comprises a lower ball head aligning part, the lower ball head aligning part is arranged between the annular base plate and the upper ball head aligning part, the constant-resistance sleeve penetrates through the lower ball head aligning part, a lower annular adjusting interval is arranged between the inner wall surface of the lower ball head aligning part and the outer peripheral surface of the constant-resistance sleeve, and the lower ball head aligning part comprises:a lower spherical adjusting part, which is provided with a lower spherical surface, wherein the convex direction of the lower spherical surface faces to the lower concave adjusting part;the concave adjusting part is provided with a lower arc-shaped concave surface, and the lower arc-shaped concave surface is attached to the lower spherical surface;the lower spherical adjusting part or the lower concave adjusting part positioned below is contacted with the annular base plate, and the other one is contacted with the upper concave adjusting part.
- 4. The NPR anchor cable self-aligning ball-head piercing device of claim 2, wherein: the NPR anchor cable self-aligning ball head piercing device further comprises a lower ball head aligning part, the lower ball head aligning part is arranged between the annular base plate and the base, the constant-resistance sleeve penetrates through the lower ball head aligning part, and the lower ball head aligning part comprises a lower spherical adjusting part and a lower concave adjusting part;the lower spherical adjusting part is provided with a lower spherical surface, and the convex direction of the lower spherical surface faces the lower concave adjusting part;the lower concave adjusting part is provided with a lower arc-shaped concave surface, and the lower arc-shaped concave surface is attached to the lower spherical surface;one of the lower spherical adjusting part and the lower concave adjusting part which is positioned at the lower part is contacted with the annular base plate, the other one is contacted with the base part, and a lower annular adjusting interval is arranged between the inner wall surface of the lower ball head aligning part and the outer peripheral surface of the constant-resistance sleeve.
- 5. The NPR anchor rope self-aligning ball head piercing device as claimed in claim 4, wherein: the lower concave adjusting part is in contact with the annular base plate, and the upper spherical adjusting part, the base part and the lower concave adjusting part are fixedly connected under the condition that the lower spherical adjusting part is in contact with the base part.
- 6. The NPR anchor rope self-aligning ball head piercing device as claimed in claim 3 or 4, wherein: the width of the lower annular adjustment interval is greater than the width of the upper annular adjustment interval.
- 7. The NPR anchor rope self-aligning ball head piercing device as claimed in claim 3, wherein: the outer side of the upper arc-shaped concave surface is provided with an upper annular plane;the outer side of the lower arc-shaped concave surface is provided with a lower annular plane.
- 8. The NPR anchor rope self-aligning ball head piercing device as claimed in claim 3, wherein: the radius of curvature of the upper spherical surface is smaller than the radius of curvature of the lower spherical surface.
- 9. The NPR anchor rope self-aligning ball head piercing device as claimed in claim 3, wherein: the outer diameters of the upper ball head aligning portion, the lower ball head aligning portion and the base are equal.
- 10. The NPR anchor rope self-aligning ball-head piercing device of claim 1, wherein: under the condition that the upper spherical adjusting part is arranged on the annular bulge on the constant-resistance sleeve;the upper end of the upper spherical adjusting part is provided with an annular groove, the radial size of the annular groove is equal to that of the annular bulge, and the annular bulge is inserted into the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034746.8U CN213978940U (en) | 2020-09-16 | 2020-09-16 | NPR anchor rope is from aligning bulb punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022034746.8U CN213978940U (en) | 2020-09-16 | 2020-09-16 | NPR anchor rope is from aligning bulb punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213978940U true CN213978940U (en) | 2021-08-17 |
Family
ID=77253795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022034746.8U Active CN213978940U (en) | 2020-09-16 | 2020-09-16 | NPR anchor rope is from aligning bulb punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213978940U (en) |
-
2020
- 2020-09-16 CN CN202022034746.8U patent/CN213978940U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11078791B2 (en) | Grouting bolt-cable composite beam and supporting method for advanced support of fractured surrounding rock in deep coal mines | |
| CN110486068B (en) | Tunnel advanced support type foot locking anchor rod structure and construction method thereof | |
| CN108868856A (en) | Anti- HI high impact large deformation energy-absorbing anchoring tray component and its energy-absorbing anchoring process | |
| CN115788538B (en) | Constant-resistance large-deformation hollow grouting-resin coupling anchoring anchor rod | |
| CN112360534A (en) | Full-anchor grouting anchor rod and anchoring method thereof | |
| CN110608055B (en) | Plug-and-play ball-hinge type steel arch connecting component capable of achieving quantitative yielding and use method | |
| CN108442954A (en) | A kind of deep anchoring pressure-type can connect pressure-relieving achor bar and application method | |
| CN213978940U (en) | NPR anchor rope is from aligning bulb punching device | |
| CN114087001A (en) | Section steel prestress grouting anchor cable for internally and externally combined reinforcement of fractured surrounding rock and use method | |
| CN112302011B (en) | Mechanical sensor assembly and NPR anchor cable self-aligning ball head piercing device | |
| CN210293868U (en) | Leveling device for anchor rod drawing detection | |
| CN216973433U (en) | Pile foundation entrance to a cave supporting construction | |
| CN212612665U (en) | Anti-floating anchor rod rigid anchor backing plate capable of applying ultrahigh prestress | |
| CN112431625B (en) | Embedded constant-resistance energy absorption device | |
| CN108547289A (en) | A kind of three-pawl type fixation anchor | |
| CN210239699U (en) | Anchor cable and joist coupling connecting system | |
| CN112459818A (en) | Special anti-loosening anchor rod for roadway support | |
| CN206035512U (en) | Novel slip casting stock | |
| CN216553975U (en) | Novel anchor is annotated device | |
| CN205036398U (en) | Anchor rope | |
| CN110159329A (en) | A kind of device and method for reinforcing anchor pole tail thread segment stress | |
| CN204703929U (en) | A kind of first subsystem of the Support System in Soft Rock Tunnels based on lock foot anchoring stock | |
| CN219711555U (en) | Large-deformation yielding anchor rod with prestress and constant resistance | |
| CN219220464U (en) | Novel screw end rod anchorage for bonding end type prestressed anchor rod | |
| CN210033491U (en) | Prestressed anchor rod for tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |