CN203809028U - Anchor rod and anchor cable - Google Patents
Anchor rod and anchor cable Download PDFInfo
- Publication number
- CN203809028U CN203809028U CN201420231138.8U CN201420231138U CN203809028U CN 203809028 U CN203809028 U CN 203809028U CN 201420231138 U CN201420231138 U CN 201420231138U CN 203809028 U CN203809028 U CN 203809028U
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- projection
- anchor
- steel strand
- reinforced
- anchor rod
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Abstract
The utility model relates to the field of underground roadway supporting and mining of coal mines and non-coal mines, in particular to an anchor rod and an anchor cable. The anchor rod comprises a rebar anchor rod, a first support plate and a first nut, the first support plate is arranged at one end of the rebar anchor rod to be fixedly connected with the rebar anchor rod, the first nut is used for fixing the first support plate onto a rock mass, a first protrusion is arranged on the outer periphery of the other end of the rebar anchor rod, and the distance between the first protrusion and the endpoint of the other end of the rebar anchor rod ranges from 10cm to 50cm. The anchor rod has the advantages that an anchoring agent can be locked by the first protrusion when sliding down to the position of the first protrusion which is arranged on the outer periphery of one end, close to the anchoring agent, of the anchor rod, so that the anchoring agent can enable the end portion of the anchor rod, namely the position the anchor rod needs to be fixed to be bonded with the rock mass instead of further sliding down, and the function of effectively fixing the anchor rod and the rock mass is achieved.
Description
Technical field
The utility model relates to colliery and non-coal mine support of underground tunnel, exploitation field, in particular to anchor pole and anchor cable.
Background technology
Anchoring refers to that reinforcing bar is wrapped in ground, and to strengthen being connected of ground and reinforcing bar, the underground passage that ground is formed is more firm.Anchor pole and anchor cable are common, for the device of anchoring colliery underground passage.
Existing anchor pole is by resin anchoring agent, reinforced anchor bolt, pallet and nut composition, when use, first use as construct out on the rock mass jewel hole of φ 45～φ 50 of the jewel hole such as jumbolter or hammer drill instrument, fill in again Anchor Agent, insert anchor pole, bottom Anchor Agent being pushed into anchor pole, rotate then to the afterburning anchor pole that drives of anchor pole, during rotation advances, the packing film of Anchor Agent is rubbed, stir, resin-bonded mastic and two kinds of components of curing compound in resin anchoring agent are evenly mixed, after Anchor Agent solidifies, namely the end of anchor pole and rock mass bonding after, tighten outside nut and pallet, thereby reach the effect of anchoring.
Existing anchor cable all adopts resin anchoring agent+steel strand+pallet+nut composition, also be first to use the jewel hole instruments such as the anchor cable rig jewel hole of φ 45～φ 50 of constructing out on rock mass, then fill in Anchor Agent, insert anchor cable, bottom Anchor Agent being pushed into anchor cable, rotate then to the afterburning anchor cable that drives of anchor cable, stir, destroy Anchor Agent, Anchor Agent is fully mixed, after Anchor Agent solidifies, namely the end of anchor cable and rock mass bonding after, tighten outside nut and pallet, thereby reach the effect of anchoring.
In concrete use, jewel hole is normally got from bottom to top, and anchor pole or anchor cable are that Anchor Agent is pushed in jewel hole from the bottom to top, and then rubs, stirs Anchor Agent.Anchor Agent is subject to the effect of gravity, can glide and after several minutes, just can solidify for tens of seconds along jewel hole, now the residing position of Anchor Agent has been left the end of anchor cable or the end of anchor pole far away, the position that namely anchor pole or anchor cable need to be fixing and actual fixing position fall far short, do not reach the requirement of permanent position, cannot reach effectively fixing to anchor pole or anchor cable end.
Utility model content
The purpose of this utility model is to provide anchor pole, to solve the above problems.
In embodiment of the present utility model, provide anchor pole, having comprised: reinforced anchor bolt, the first pallet and the first nut,
Described the first pallet is placed in one end of described reinforced anchor bolt, and is fixedly connected with described reinforced anchor bolt;
Described the first nut is for being fixed on rock mass by described the first pallet;
The peripheral part of the other end of described reinforced anchor bolt is provided with the first projection, and described the first projection is 10cm to 50cm with the distance of the other end end points of described reinforced anchor bolt.
Preferably, described the first projection is circular, and described the first projection and described reinforced anchor bolt coaxial line.
Preferably, described the first projection is sphere towards the external surface of described reinforced anchor bolt one end, and described the first projection is plane towards the external surface of described reinforced anchor bolt one end.
Preferably, along described the first snag axis to the diameter of cross section than the little 2mm of the diameter of jewel hole.
The utility model embodiment also provides anchor cable, comprising: steel strand, supporting plate, seamless steel pipe and the second nut,
Described supporting plate is placed in one end of described steel strand, and is fixedly connected with described steel strand;
Described seamless steel pipe is socketed on described steel strand, and is fixedly connected with described steel strand, and the other end of close described steel strand;
Described the second nut is for being fixed on rock mass by described supporting plate;
The peripheral part of described seamless steel pipe is provided with the second projection, and described the second projection is 10cm to 50cm with the distance of the other end end points of described steel strand;
The interior perimembranous of described seamless steel pipe is provided with the 3rd projection, and described seamless steel pipe is connected with described steel strand by described the 3rd projection.
Preferably, also comprise: described the second projection is circular, and described the second projection and described steel strand bar coaxial line.
Preferably, described the second projection is sphere towards the external surface of described steel strand one end, and described the second projection is plane towards the external surface of described steel strand one end.
Preferably, along described the second snag axis to the diameter of cross section than the little 3mm of the diameter of jewel hole.
The anchor pole that the utility model embodiment provides, during with use anchor pole of the prior art, Anchor Agent is subject to the effect of gravity, can glide and after several minutes, just can solidify for tens of seconds along jewel hole, now the residing position of Anchor Agent has been left the end of anchor cable or the end of anchor pole far away, the position that namely anchor pole or anchor cable need to be fixing and actual fixing position fall far short, the requirement that does not reach permanent position is compared, it is by being provided with the first projection at anchor pole near the peripheral part of one end of Anchor Agent, make Anchor Agent under slide into the first raised position in, blocked by the first projection, thereby can be in downward landing, make the Anchor Agent can be by the end of anchor pole, position and rock mass that namely anchor pole need to be fixing are bonding, thereby reach the effect of effective fixing anchor bar and rock mass, and then solve deficiency of the prior art.
Brief description of the drawings
Fig. 1 shows the structure chart of the anchor pole of the utility model embodiment;
Fig. 2 shows the anchor pole end enlarged drawing of the utility model embodiment;
Fig. 3 shows the structure chart of the anchor cable of the utility model embodiment.
In figure: 1, reinforced anchor bolt; 2, the first pallet; 3, the first nut; 4, jewel hole; 5, rock mass; 6, the first projection; 7, steel strand; 8, supporting plate; 9, seamless steel pipe; 10, the second nut; 11, the second projection.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
The utility model embodiment 1 provides anchor pole, as depicted in figs. 1 and 2, comprising: reinforced anchor bolt 1, the first pallet 2 and the first nut 3, the first pallets 2 are placed in one end of reinforced anchor bolt 1, and are fixedly connected with reinforced anchor bolt 1; The first nut 3 is for being fixed on rock mass 5 by the first pallet 2; The peripheral part of the other end of reinforced anchor bolt 1 is provided with the first projection 6, and the first projection 6 is 10cm to 50cm with the distance of the other end end points of reinforced anchor bolt 1.
Anchor pole when in use, first use jewel hole 4 instruments (as jumbolter or hammer drill etc.) on rock mass 5, construct out φ 45～φ 50 eye, fill in again Anchor Agent, insert anchor pole, bottom Anchor Agent being pushed into anchor pole, rotate then to the afterburning anchor pole that drives of anchor pole, during rotation advances, the packing film of Anchor Agent is rubbed, stir, two kinds of components of resin-bonded mastic and curing compound are evenly mixed, after Anchor Agent solidifies, tighten outside nut, reach the effect of anchoring, but the external surface of traditional anchor pole is level and smooth, Anchor Agent is after the mix and blend of eyeground, anchor pole and rock mass 5 to be sticked together tightly, but in practice of construction process, because Anchor Agent exists the problem of setting time, the Anchor Agent using generally has the setting time of tens seconds～a few minutes, press MT146.1-2002 standard, ultrafast gel time also needs 8 seconds～and 25 seconds.Before Anchor Agent does not solidify, Anchor Agent under fluid state downward trickling limit solidifies gap between the eye along got out and anchor pole below at Action of Gravity Field, generally to flow to after 700～1000mm, just start to solidify, and just only remaining 1200～1400mm of the actual anchorage length of anchor pole namely makes the length that anchor pole is really fixed not reach the length of original design at all.
Anchor pole provided by the utility model, be provided with the first projection 6 at its peripheral part, the formation of the first projection 6 can be the shape that can support arbitrarily Anchor Agent, it is preferably circular, like this, no matter Anchor Agent stays shelves to get off from which angle, the first projection 6 can both play the effect stopping to Anchor Agent.Thereby Anchor Agent is remained on need to fix the position of reinforced anchor bolt 1 and rock mass 5.
In addition, by add the first pallet 2 and the first nut 3 in one end of reinforced anchor bolt 1, the power upwards that can make the first nut 3 provide to reinforced anchor bolt 1 is shared by the first pallet 2, the pressure of the first nut 3 is evenly distributed on to the surface of the first pallet 2, thereby increase the lifting surface area of the first nut 3 with rock mass 5, increase the support effect of the first nut 3 to reinforced anchor bolt 1, the first nut 3 can better be supported reinforced anchor bolt 1, and then better rock mass 5 is fixed.
When use, according to the needs that use, the position of the first projection 6 can be arranged on to the place with reinforced anchor bolt 1 other end end-point distances 10cm to 50cm, this distance is need to see actual fixing needs and determine, position section as fixing in needs is reinforced anchor bolt 1 other end end points to the position apart from other end end points 20cm, so the place that just should to be arranged on apart from reinforced anchor bolt 1 other end end-point distances be 20cm, the position of the first projection 6.It should be noted that, the other end is corresponding with one end, and the other end also can be understood as the one end away from pallet and nut.In some concrete places using, the first projection 6 is 50mm～150mm with the distance of reinforced anchor bolt 1 other end.
Anchor pole provided by the utility model, by being provided with the first projection 6 at reinforced anchor bolt 1 near the peripheral part of one end of Anchor Agent, make Anchor Agent under slide into the first protruding 6 positions in, blocked by the first projection 6, thereby can be in downward landing, make the Anchor Agent can be by the end of reinforced anchor bolt 1, namely reinforced anchor bolt 1 needs fixing position and rock mass 5 to fix, thereby reach the effect of effectively fixing reinforced anchor bolt 1 and rock mass 5, and then solved deficiency of the prior art.It should be noted that silk mouthful available lathe processing, but specify to be not less than the moment of torsion of 100kN*m because tightening anchor pole, and the silk mouth that goes out of car reduces the comprehensive strength of whole anchor pole, therefore changed rolled thread processed filament mouth into, not only can ensure moment of torsion, and also higher than original intensity at silk mouth place.
The utility model embodiment 2 provides the detailed structure of anchor pole, and as depicted in figs. 1 and 2, on the basis of embodiment 1, the first projection 6 is circular, and the first projection 6 and reinforced anchor bolt 1 coaxial line.The mode of comparatively easy making the first projection 6 is the modes that adopt intermediate frequency punching press, on the basis of original reinforced anchor bolt 1, go out a first circular projection 6, adopt and rush the first projection 6 that product stamping technology produces and be circular, and with reinforced anchor bolt 1 be coaxial line.From structure, the first circular projection 6 can be more stable Anchor Agent is stopped, reason is that the edge of circular the first protruding 6 any places is equal to the gap of rock mass 5, the situation that can not cause Anchor Agent to flow down from compare great position, gap.
On this basis, the first projection 6 is sphere towards the external surface of reinforced anchor bolt 1 one end, and the first projection 6 is plane towards the external surface of reinforced anchor bolt 1 one end.This kind of set-up mode can be understood as in the time of concrete use, and the first projection 6 is sphere towards the one side of Anchor Agent.In use, jewel hole 4 in rock mass 5 and the first projection 6 have formed the space of a near cylindrical, Anchor Agent is finally in this space, the first projection 6 is designed to sphere towards the external surface of one end of Anchor Agent and can increases the contact area of the first projection 6 and Anchor Agent, thereby after reinforced anchor bolt 1 being connected with rock mass 5 at Anchor Agent, can further strengthen fixing effect.
For Anchor Agent is evenly distributed between reinforced anchor bolt 1 other end and the first projection 6 more, the external surface of reinforced anchor bolt 1 is provided with multiple the first hangnails, and multiple the first hangnails are uniformly distributed in the first projection 6 between reinforced anchor bolt 1 other end end points.Anchor Agent, when dirty along jewel hole 4, through being arranged on multiple hangnails of reinforced anchor bolt 1 external surface, can playing the effect that stops that Anchor Agent glides, is evenly distributed between reinforced anchor bolt 1 other end and the first projection 6 Anchor Agent.Certainly, multiple the first hangnails can array setting, makes the interval between multiple the first hangnails average.
The diameter of the first projection 6 can not be excessive, insert in jewel hole 4 otherwise can affect reinforced anchor bolt 1, along the diameter of the first projection 6 axial cross sections than the little 2mm of the diameter of jewel hole 4.Through actual using and calculate, draw, the diameter of the cross section of the first projection 6 just can make the first projection 6 can not affect reinforced anchor bolt 1 than the little 2mm of jewel hole 4 to insert in jewel hole 4.It should be noted that, the length of the first hangnail can not be long, inserts jewel hole 4 otherwise also can affect reinforced anchor bolt 1.
The anchor cable that the utility model embodiment 3 provides the anchor pole providing with the utility model to match, as shown in Figure 3, comprises steel strand, supporting plate, seamless steel pipe and the second nut, and described supporting plate is placed in one end of described steel strand, and is fixedly connected with described steel strand; Described seamless steel pipe is socketed on described steel strand, and is fixedly connected with described steel strand, and the other end of close described steel strand; Described the second nut is for being fixed on rock mass by described supporting plate; The peripheral part of described seamless steel pipe is provided with the second projection, and described the second projection is 10cm to 50cm with the distance of the other end end points of described steel strand; The interior perimembranous of described seamless steel pipe is provided with the 3rd projection, and described seamless steel pipe is connected with described steel strand by described the 3rd projection.
The relative reinforced anchor bolt of steel strand 7 is relatively soft, cannot use the mode of intermediate frequency punching press to manufacture projection at the external surface of steel strand 7, but can be by adding seamless steel pipe 9 at the peripheral part of steel strand 7, and in the interior perimembranous of seamless steel pipe 9, the second projection 11 is set, to play the effect that stops that Anchor Agent glides, and the 3rd projection is set to make the 3rd projection can clamp steel strand 7 in the interior perimembranous of seamless steel pipe 9.
Anchor cable is also the eye that first uses jewel hole instrument (as the anchor cable rig etc.) φ 45～φ 50 that constructs out on rock mass when in use, fill in again Anchor Agent, insert anchor cable, bottom Anchor Agent being pushed into anchor cable, then to afterburning anchor cable rotation, stirring, the destruction Anchor Agent of driving of anchor cable, Anchor Agent is fully mixed, after Anchor Agent solidifies, tighten outside fixture, reach the effect of anchoring.But in practice of construction process, because Anchor Agent exists the problem of setting time, the Anchor Agent of use generally has the setting time of tens seconds～a few minutes, by MT146.1-2002 standard, ultrafast gel time also needs 8 seconds～and 25 seconds.Before Anchor Agent does not solidify, solidify on downward trickling limit below at Action of Gravity Field in Anchor Agent under fluid state gap between got out eye and anchor pole, generally to flow to after 1000～2000mm, just start to solidify, and the actual anchorage length of anchor cable of the prior art just only has 3000～5000mm, make anchor cable of the prior art not reach the regular length of original design at all.
Anchor cable provided by the utility model, be provided with seamless steel pipe 9 at its peripheral part, namely seamless steel pipe 9 is socketed on steel strand 7, simultaneously, the 3rd projection has played the effect that makes seamless steel pipe 9 block steel strand 7, and be provided with the second projection 11 at the peripheral part of seamless steel pipe 9, the formation of the first projection can be the shape that can support arbitrarily Anchor Agent, it is preferably circular, like this, no matter Anchor Agent from which angle gutters down, the second projection 11 can both play the effect stopping to Anchor Agent.Thereby Anchor Agent is remained on need to fix the position of steel strand 7 and rock mass.
In addition, by add supporting plate 8 and the second nut 10 in one end of steel strand 7, the power upwards that can make the second nut 10 provide to steel strand 7 is shared by supporting plate 8, the pressure of the second nut 10 is evenly distributed on to the surface of supporting plate 8, thereby increase the lifting surface area of the second nut 10 with rock mass, increase the support effect of the second nut 10 to anchor cable, the second nut 10 can better be supported anchor cable, and then better rock mass is fixed.
When use, according to the needs that use, the position of the second projection 11 can be arranged on to the place with steel strand 7 other end end-point distances 10cm to 50cm, this distance is need to see actual fixing needs and determine, position section as fixing in needs is steel strand 7 other end end points to the position apart from other end end points 20cm, so the place that just should to be arranged on apart from anchor pole other end end-point distances be 20cm, the position of the second projection 11.It should be noted that, the other end is corresponding with one end, and the other end also can be understood as the one end away from supporting plate 8 and the second nut 10.In some concrete places using, the second projection 11 is 50mm～150mm with the distance of the anchor cable other end.
The second projection 11 is circular, and the second projection 11 and steel strand 7 coaxial lines.The mode of comparatively easy making the second projection 11 is the modes that adopt intermediate frequency punching press, on the basis of original seamless steel pipe 9, go out a second circular projection 11, in going out the second projection 11, seamless steel pipe 9 is in outwards expanding, also can expand to inside, also just form the 3rd projection.Specifically when in use, first seamless steel pipe is socketed on steel strand 7 to the in use technology of punching press frequently, goes out the second projection 11 and the 3rd projection, and the second projection 11 and the 3rd projection are all circular.The second projection 11 and the 3rd projection are all coaxial lines with steel strand 7.From structure, the second circular projection 11 can be more stable Anchor Agent is stopped, reason is that any place edge of circular the second projection 11 is equal to the gap of rock mass, the situation that can not cause Anchor Agent to flow down from compare great position, gap.
On this basis, the second projection 11 is sphere towards the external surface of steel strand 7 one end, and the second projection 11 is plane towards the external surface of reinforced anchor bolt one end.This kind of set-up mode can be understood as in the time of concrete use, and the second projection 11 is sphere towards the one side of Anchor Agent.In use, jewel hole in rock mass and the second projection 11 have formed the space of a near cylindrical, Anchor Agent is finally in this space, the second projection 11 is designed to sphere towards the external surface of one end of Anchor Agent and can increases the contact area of the second projection 11 and Anchor Agent, thereby after anchor pole being connected with rock mass at Anchor Agent, can further strengthen fixing effect.
For Anchor Agent is evenly distributed between steel strand 7 other ends and the second projection 11 more, the external surface of seamless steel pipe 9 is provided with multiple the first hangnails, and multiple the first hangnails are uniformly distributed in the second projection 11 between steel strand 7 other end end points.Anchor Agent, when dirty along jewel hole, through being arranged on multiple hangnails of seamless steel pipe 9 external surfaces, can playing the effect that stops that Anchor Agent glides, is evenly distributed between steel strand 7 other ends and the second projection 11 Anchor Agent.Certainly, multiple the first hangnails can array setting, makes the interval between multiple the first hangnails average.
The diameter of the second projection 11 can not be excessive, insert in jewel hole otherwise can affect anchor pole, along the diameter of the axial cross section of the second projection 11 than the little 3mm of the diameter of jewel hole.Through actual using and calculate, draw, the diameter of the cross section of the second projection 11 just can make the second projection 11 can not affect in anchor pole insertion jewel hole than the little 3mm of jewel hole.It should be noted that, the length of the second hangnail can not be long, inserts jewel hole otherwise also can affect steel strand 7.Because steel strand 7 are softer with respect to reinforced anchor bolt, so the height of relative the first projection of the height of the second projection 11 is lower.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. anchor pole, is characterized in that, comprising: reinforced anchor bolt, the first pallet and the first nut,
Described the first pallet is placed in one end of described reinforced anchor bolt, and is fixedly connected with described reinforced anchor bolt;
Described the first nut is for being fixed on rock mass by described the first pallet;
The peripheral part of the other end of described reinforced anchor bolt is provided with the first projection, and described the first projection is 10cm to 50cm with the distance of the other end end points of described reinforced anchor bolt.
2. anchor pole according to claim 1, is characterized in that, described the first projection is circular, and described the first projection and described reinforced anchor bolt coaxial line.
3. anchor pole according to claim 2, is characterized in that, described the first projection is sphere towards the external surface of described reinforced anchor bolt one end, and described the first projection is plane towards the external surface of described reinforced anchor bolt one end.
4. anchor pole according to claim 3, is characterized in that, along described the first snag axis to the diameter of cross section than the little 2mm of the diameter of jewel hole.
5. the anchor cable coordinating with anchor pole described in claim 1-4 any one, is characterized in that, comprising: steel strand, supporting plate, seamless steel pipe and the second nut,
Described supporting plate is placed in one end of described steel strand, and is fixedly connected with described steel strand;
Described seamless steel pipe is socketed on described steel strand, and is fixedly connected with described steel strand, and the other end of close described steel strand;
Described the second nut is for being fixed on rock mass by described supporting plate;
The peripheral part of described seamless steel pipe is provided with the second projection, and described the second projection is 10cm to 50cm with the distance of the other end end points of described steel strand;
The interior perimembranous of described seamless steel pipe is provided with the 3rd projection, and described seamless steel pipe is connected with described steel strand by described the 3rd projection.
6. anchor cable according to claim 5, is characterized in that, also comprises: described the second projection is circular, and described the second projection and described steel strand bar coaxial line.
7. anchor cable according to claim 6, is characterized in that, described the second projection is sphere towards the external surface of described steel strand one end, and described the second projection is plane towards the external surface of described steel strand one end.
8. anchor cable according to claim 7, is characterized in that, along described the second snag axis to the diameter of cross section than the little 3mm of the diameter of jewel hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231138.8U CN203809028U (en) | 2014-05-07 | 2014-05-07 | Anchor rod and anchor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231138.8U CN203809028U (en) | 2014-05-07 | 2014-05-07 | Anchor rod and anchor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809028U true CN203809028U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231138.8U Expired - Fee Related CN203809028U (en) | 2014-05-07 | 2014-05-07 | Anchor rod and anchor cable |
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| Country | Link |
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| CN (1) | CN203809028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879152A (en) * | 2015-05-22 | 2015-09-02 | 合肥昊诚工贸有限责任公司 | Novel mining anchor cable |
| CN105756072A (en) * | 2016-04-02 | 2016-07-13 | 武汉科技大学 | Geotechnical slope reinforcing device |
-
2014
- 2014-05-07 CN CN201420231138.8U patent/CN203809028U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879152A (en) * | 2015-05-22 | 2015-09-02 | 合肥昊诚工贸有限责任公司 | Novel mining anchor cable |
| CN105756072A (en) * | 2016-04-02 | 2016-07-13 | 武汉科技大学 | Geotechnical slope reinforcing device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |