CN208502817U - A kind of bolt-spary supports system anchor pole - Google Patents
A kind of bolt-spary supports system anchor pole Download PDFInfo
- Publication number
- CN208502817U CN208502817U CN201821093030.1U CN201821093030U CN208502817U CN 208502817 U CN208502817 U CN 208502817U CN 201821093030 U CN201821093030 U CN 201821093030U CN 208502817 U CN208502817 U CN 208502817U
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- China
- Prior art keywords
- anchor pole
- anchor
- connector
- bar
- bolt
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Abstract
The utility model relates to a kind of bolt-spary supports system anchor poles, belong to ground support technology field, it is therefore an objective to solve the problems, such as that the anchor structure of band connection set in the prior art is not sufficiently stable.The technical solution adopted is that: a kind of bolt-spary supports system anchor pole, including fixing anchor bar, stop grouting plug, gasket and nut, extension anchor pole and connection component, the fixing anchor bar and extension anchor pole are the hollow body of rod.The connection component includes connector, inner sheath and oversheath, and the inner sheath and oversheath are hollow ring jacket, and the inner sheath includes the first semi-ring and the second semi-ring, and the mounting groove matched with connector is arranged in the inner surface of the inner sheath.The connector includes interconnecting piece and the fixed part that connection board ends are arranged in, and the fixed structure matched with fixed part is respectively set in the fixing anchor bar and the both ends for extending anchor pole.The utility model has the effect of stable structure, not easy to break.
Description
Technical field
The utility model relates to ground support technology field more particularly to a kind of bolt-spary supports system anchor poles.
Background technique
In the work progress of tunnel excavation, it is limited to the topographic and geologic condition of tunnel position, soil layer is original to answer
Dynamic balance can be destroyed, and the retaining wall in tunnel is made to be difficult to form.Especially under the working condition of high-ground stress, after tunnel excavation
In regular period, palisades easily deform or rock burst, this is just to the anchor pole used in support system under residual compressive stress effect
Intensity and toughness propose high requirement.
In the prior art, the Chinese patent that notification number is 207420603 discloses a kind of pressure-relieving achor bar, including pressure is allowed to connect
Set, adapter, anchor pole a and anchor pole b, anchor pole b is fixed in adapter, is then placed in anchor pole a and adapter and pressure is allowed to connect
In set, anchor pole a and adapter and allow pressure connector sleeve between be connected through a screw thread, and adapter be located at anchor pole a and allow press connector sleeve
Step through-hole between.The combined member of adapter and anchor pole b can allow pressure inner cavity of connecting sleeve to slide in this way, provide and allow
The extension for pressing anchor pole to need.But anchor pole a, adapter and allow the connection structure between pressure connector sleeve that there is unstability, anchor pole a exists
Pressure inner cavity of connecting sleeve can also be slided, such anchor pole a, adapter and allow the opposite sliding between pressure connector sleeve to have can not
Control property, it may appear that anchor pole a opposite the case where allowing pressure connector sleeve to skid off its inner cavity, i.e. anchor pole a from allow pressure connector sleeve far from step
One end of through-hole is detached from, and the connection between such anchor pole a and anchor pole b is just disconnected, and anchor pole b no longer plays its due effect.
Utility model content
The purpose of this utility model is to provide a kind of bolt-spary supports system anchor poles, have the advantages that stable structure.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of bolt-spary supports system anchor pole, including fixing anchor bar, stop grouting plug, gasket and nut, extension anchor pole and connection
Component, the fixing anchor bar and extension anchor pole are the hollow body of rod, and the internal diameter of the two, outer diameter are all the same, the fixed anchor
Identical screw thread is arranged in bar and the outer surface for extending anchor pole.The connection component includes connector, inner sheath and oversheath, described
Inner sheath and oversheath are hollow ring jacket, and the inner surface setting of the oversheath is matched with fixing anchor bar outer surface
Screw thread.The inner sheath includes the first semi-ring and the second semi-ring, and first semi-ring and the second semi-ring are spliced to form completely
Screw thread identical with fixing anchor bar outer surface, the interior table of the inner sheath is arranged in the outer surface of annular inner sheath, the inner sheath
The mounting groove matched with connector is arranged in face.The connector include interconnecting piece and be arranged in connection board ends fixed part,
The fixed structure matched with fixed part is respectively set in the fixing anchor bar and the both ends for extending anchor pole.
Implement above-mentioned technical proposal, is fixed between fixing anchor bar and extension anchor pole by connection component, it first will connection
The both ends of part cooperate and fix with fixing anchor bar, the end for extending anchor pole respectively, then by the first semi-ring of inner sheath and the second half
Ring is embedded in fixing anchor bar and extends between anchor pole, and makes connector in the mounting groove of inner sheath inner surface, then by oversheath
Be set on the outside of inner sheath, such fixing anchor bar, extend can not move relative to each other between anchor pole, connector and inner sheath or
Rotation, forms stable connection structure.Extend the length that anchor pole increases anchor pole, can be extended in the construction process by increasing
The quantity of anchor pole adapts it to a variety of rock-soil layer structures, and inner/outer sheath can suitably disperse the stress that anchor pole is subject to, and enhances anchor pole
Toughness.Meanwhile fixing anchor bar is identical as the structure of anchor pole is extended, the two is named to facilitate and illustrate anchor pole and other respectively
The positional relationship and connection relationship of structure, i.e. nut, gasket and paper pulp plug are sequentially sleeved at fixing anchor bar far from connection component
One end need to only prepare a kind of anchor rod body of structure model in this way, advantageously reduce the cost of anchor pole.
Further, the fixed part includes crosspiece and perpendicular section, and one end of the perpendicular section is fixedly connected with the end of interconnecting piece,
The other end is fixedly connected with crosspiece, and crosspiece is parallel with interconnecting piece, and it is vertical with crosspiece to erect section；The fixed structure is fixing anchor bar
With extension L shape convex block of the anchor pole end towards bar inner cavity.
Implement above-mentioned technical proposal, orthogonal crosspiece and perpendicular section constitute the L-shaped structure being fixed on interconnecting piece, that is, connect
Fixed part and fixed structure on fitting are the L shape worked in coordination, make the fixed part at connector both ends respectively with fixing anchor bar and
The fixed structure extended on anchor pole offsets, to realize fixing anchor bar and extend the connection between anchor pole.
Further, the fixed part includes vertical section and L shape bending segment, one end of the vertical section and the end of interconnecting piece
It is fixedly connected, the other end is fixedly connected with bending segment, and vertical section is vertical with interconnecting piece, and the bending segment connect structure with vertical section
At angle be 90 °.The fixed structure includes the linkage section perpendicular with fixing anchor bar and extension anchor pole end, the connection
Section one end and L shape bending block far from fixing anchor bar and extension anchor pole are fixedly connected, and the bending block is connected and composed with linkage section
Angle be 90 °.
Implement above-mentioned technical proposal, vertical section and L-type bending segment connect and compose fixed part, i.e., in aforementioned fixing part structure
On the basis of increase the structure that along the vertical direction extends vertical with crosspiece, and the linkage section and L shape that fixed structure uses
Bending block is also to increase linkage section on the basis of aforementioned structure, is allowed to form stable company between new fixing part structure
It connects.
Further, the interconnecting piece of the connector and fixed part are integrally formed.
Implement above-mentioned technical proposal, interconnecting piece and the integrally formed structure of fixed part are conducive to make fixing anchor bar and extend anchor
Connection structure between bar is more stable.
Further, the connector is arranged at least two between fixing anchor bar and extension anchor pole, and the connector is bullet
Property connector.
Implement above-mentioned technical proposal, be arranged at least two connector be conducive to enhance fixing anchor bar and extend anchor pole between
Connective stability, by connector be set as flexible connector be conducive to disperse anchor pole suffered by stress.
It further, further include anchor head, the anchor head, which is set in, extends end of the anchor pole far from connection component one end, the anchor
The screw thread that the setting of head inside is matched with extension anchor pole outer surface.
Implement above-mentioned technical proposal, anchor head is connect with anchor pole is extended by screw thread, for protecting the end for extending anchor pole, kept away
Exempt from it and collided and rubbed by rock-soil layer, and then the end breakage for extending anchor pole is avoided to influence slip casting.
Further, the anchor head is conical sleeve.
Implement above-mentioned technical proposal, the anchor head structure of taper is conducive to the gap that anchor pole is smoothly inserted into rock-soil layer.
Further, annular protrusion is arranged in the anchor head surface.
Implement above-mentioned technical proposal, the annular protrusion on anchor head surface can rub with rock-soil layer, advantageously reduce in this way
There is a situation where the appearance that rubs with rock-soil layer for the body of rod of anchor pole, provide better protection for the body of rod of anchor pole.
In conclusion the utility model has the following beneficial effects:
By the way that the connection structure of connector, inner sheath and oversheath, connection are arranged between fixing anchor bar and extension anchor pole
Part links together fixing anchor bar and extension anchor pole, is then embedded in inner sheath, interior shield between fixing anchor bar and extension anchor pole
Set fixes connector, keeps fixing anchor bar, the position extended between anchor pole and connector relatively fixed.Oversheath passes through
It is threadedly coupled the outside for being fixed on inner sheath, is just cannoted rotate relative to each other between such fixing anchor bar and extension anchor pole, is conducive to keep away
The case where exempting from relative rotation because of the two and pull to squeezing caused by the fixed part of connector, and then destroying connecting-piece structure occurs.
The connection structure constituted in this way is more stable, will not because in work progress with the collision of rock-soil layer and friction due to be destroyed, connect
The combination of part and inner/outer sheath also advantageously improves the toughness of anchor pole, reduces what anchor pole was broken during construction application
Situation occurs.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model embodiment one.
Fig. 2 is the portion the A enlarged drawing in Fig. 1.
Fig. 3 is the right view of the utility model inner sheath.
Fig. 4 is the partial sectional view of the utility model embodiment two.
Fig. 5 is the structural schematic diagram of the connector of the utility model embodiment two.
Appended drawing reference: 1, fixing anchor bar；2, stop grouting plug；3, gasket；4, nut；5, extend anchor pole；6, connector；61, even
Socket part；62, fixed part；621, crosspiece；622, section is erected；623, vertical section；624, bending segment；7, inner sheath；71, the first semi-ring；
72, the second semi-ring；73, mounting groove；8, oversheath；9, fixed structure；91, convex block；92, linkage section；93, block is bent；10, anchor
Head；101, annular protrusion.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.
Embodiment one
As shown in Figure 1, a kind of bolt-spary supports system anchor pole, including fixing anchor bar 1, stop grouting plug 2, gasket 3 and nut 4,
Extend anchor pole 5 and connection component, fixing anchor bar 1 and extension anchor pole 5 are the hollow body of rod, and the internal diameter of the two, outer diameter are homogeneous
Together, identical screw thread is arranged in the outer surface of fixing anchor bar 1 and extension anchor pole 5.Nut 4, gasket 3 and stop grouting plug 2 from left to right according to
Close to the position of left part, the right end of fixing anchor bar 1 is connect by connection component with anchor pole 5 is extended the secondary fixing anchor bar 1 that is arranged in,
The left end for extending anchor pole 5 is connect with connection component, and the anchor head 10 of taper sheath tubular is arranged in right end.Anchor head 10 is set in extension anchor pole
5 right end, setting and the screw thread for extending 5 outer surface of anchor pole and matching on the inside of anchor head 10 are between anchor head 10 and extension anchor pole 5
It is threadedly coupled, for protecting the front end for extending anchor pole 5 in the construction process.Annular protrusion 101, anchoring cone is arranged in 10 surface of anchor head
First 10, which are conducive to anchor pole, is smoothly inserted into rock-soil layer, and annular projection can provide better protection for anchor pole.
As shown in Figures 2 and 3, connection component includes connector 6, inner sheath 7 and oversheath 8, inner sheath 7 and oversheath 8
It is hollow ring jacket, the inner surface of oversheath 8 is arranged the screw thread matched with 1 outer surface of fixing anchor bar, makes oversheath 8
It is connected through a screw thread between fixing anchor bar 1, extension anchor pole 5 respectively.Inner sheath 7 includes the first semi-ring 71 and the second semi-ring 72,
First semi-ring 71 and the second semi-ring 72 are spliced to form complete annular inner sheath 7, the outer surface setting of inner sheath 7 and fixing anchor bar
The identical screw thread in 1 outer surface makes also be connected through a screw thread between inner sheath 7 and oversheath 8.It is set in the inner surface of inner sheath 7
The mounting groove 73 matched with connector 6 is set, matching here refers to the mounting groove 73 and connector 6 of 7 inner surface of inner sheath
It is of same size, be embedded in connector 6 just can in mounting groove 73, connector 6 be fixed, avoid its relatively fixed anchor
Bar 1 and extension anchor pole 5 are rotated.
As shown in Fig. 2, connector 6 is flexible connector 6, in fixing anchor bar 1 and extend setting two between anchor pole 5, this
Sample is conducive to enhance fixing anchor bar 1 and extends the connective stability between anchor pole 5.The structure of connector 6 includes 61 He of interconnecting piece
The fixed part 62 of connection board ends is set, and fixed part 62 includes crosspiece 621 and perpendicular section 622, erects one end and the interconnecting piece of section 622
61 end is fixedly connected, and the other end is fixedly connected with crosspiece 621, and crosspiece 621 is parallel with interconnecting piece 61, erects section 622 and cross
Section 621 is vertical.The interconnecting piece 61 and fixed part 62 for the connector 6 that the present embodiment uses are integrally formed, and are conducive to make to fix in this way
Anchor pole 1 and the connection structure extended between anchor pole 5 are more stable.Fixing anchor bar 1 and the both ends for extending anchor pole 5 are respectively set and consolidate
Determine the fixed structure 9 that portion 62 matches, matching here refers to that the fixed part 62 of connector 6 can offset simultaneously with fixed structure 9
It realizes fixing anchor bar 1 or extends being connected and fixed between anchor pole 5 and connector 6, the fixed structure 9 that the present embodiment uses is fixation
Anchor pole 1 and extension L shape convex block 91 of 5 end of anchor pole towards bar inner cavity.
The utility model before use, first by the fixed part 62 at 6 both ends of connector respectively with fixing anchor bar 1, extend anchor pole 5
End cooperate fix, then by the first semi-ring 71 of inner sheath 7 and the second semi-ring 72 insertion fixing anchor bar 1 and extend anchor pole 5
Between, and make connector 6 in the mounting groove 73 of 7 inner surface of inner sheath, then by 8 sets of oversheath in 7 outside of inner sheath, in this way
It can not move relative to each other or rotate between fixing anchor bar 1, extension anchor pole 5, connector 6 and inner sheath 7, form stable company
Binding structure, and inner/outer sheath 8 and connector 6 can suitably disperse the stress that anchor pole is subject to, and enhance the toughness of anchor pole.Finally exist
Extend anchor head 10 in the end sleeve of anchor pole 5, completes the assembling of anchor pole.
Embodiment two
The present embodiment and the difference of embodiment one essentially consist in: as shown in Figure 4 and Figure 5, the connector 6 that the present embodiment uses
Fixed part 62 include vertical section 623 and L shape bending segment 624, the end of one end of vertical section 623 and interconnecting piece 61 is fixed to be connected
It connects, the other end is fixedly connected with bending segment 624, and vertical section 623 is vertical with interconnecting piece 61, and bending segment 624 and vertical section 623 connect
The angle for connecing composition is 90 °.That is, the fixed part 62 of the present embodiment is to increase one on the basis of one structure of embodiment
A structure for along the vertical direction extending vertical with crosspiece 621.Fixed structure 9 include and fixing anchor bar 1 and extend 5 end of anchor pole
Perpendicular linkage section 92, linkage section 92 one end and L shape bending block 93 far from fixing anchor bar 1 and extension anchor pole 5 are fixedly connected,
The angle that bending block 93 and linkage section 92 connect and compose is 90 °, and fixed structure 9 is also to increase on the basis of one structure of embodiment
Linkage section 92 makes connector 6 and fixing anchor bar 1, extends and form more stable connection structure between anchor pole 5.Wherein, L shape
The segment length the sum of parallel with vertical section 623 is less than the length of vertical section 623 in bending segment 624 and L shape bending block 93, accordingly
, again smaller than 92 length of connection, bending segment 624 could be caught in L shape bending block 93 in this way.The assembling side of the present embodiment
Method is the same as example 1.
Claims (8)
1. a kind of bolt-spary supports system anchor pole, including fixing anchor bar (1), stop grouting plug (2), gasket (3) and nut (4), special
Sign is, further includes extending anchor pole (5) and connection component, the fixing anchor bar (1) and extension anchor pole (5) are hollow bar
Body, and the internal diameter of the two, outer diameter are all the same, identical spiral shell is arranged in the fixing anchor bar (1) and the outer surface for extending anchor pole (5)
Line；The connection component includes connector (6), inner sheath (7) and oversheath (8), and the inner sheath (7) and oversheath (8) are equal
For hollow ring jacket, the screw thread matched with fixing anchor bar (1) outer surface is arranged in the inner surface of the oversheath (8)；Institute
Stating inner sheath (7) includes the first semi-ring (71) and the second semi-ring (72), and first semi-ring (71) and the second semi-ring (72) splice
Complete annular inner sheath (7) is constituted, spiral shell identical with fixing anchor bar (1) outer surface is arranged in the outer surface of the inner sheath (7)
The mounting groove (73) matched with connector (6) is arranged in line, the inner surface of the inner sheath (7)；The connector (6) includes connecting
Socket part (61) and the fixed part (62) that connection board ends are set, the fixing anchor bar (1) and the both ends difference for extending anchor pole (5)
The fixed structure (9) matched with fixed part (62) is set.
2. a kind of bolt-spary supports system anchor pole according to claim 1, which is characterized in that the fixed part (62) includes
One end of crosspiece (621) and perpendicular section (622), the perpendicular section (622) is fixedly connected with the end of interconnecting piece (61), the other end and cross
Section (621) is fixedly connected, and crosspiece (621) is parallel with interconnecting piece (61), and it is vertical with crosspiece (621) to erect section (622)；The fixation
Structure (9) is fixing anchor bar (1) and extends L shape convex block (91) of anchor pole (5) end towards bar inner cavity.
3. a kind of bolt-spary supports system anchor pole according to claim 1, which is characterized in that the fixed part (62) includes
One end of vertical section (623) and L shape bending segment (624), the vertical section (623) is fixedly connected with the end of interconnecting piece (61),
The other end is fixedly connected with bending segment (624), and vertical section (623) is vertical with interconnecting piece (61), the bending segment (624) and perpendicular
The angle that straight section (623) connects and composes is 90 °；The fixed structure (9) include and fixing anchor bar (1) and extend anchor pole (5) end
The perpendicular linkage section in portion (92), one end and L shape far from fixing anchor bar (1) and extension anchor pole (5) of the linkage section (92) are curved
Folded block (93) is fixedly connected, and the angle that bending block (93) connects and composes with linkage section (92) is 90 °.
4. a kind of bolt-spary supports system anchor pole according to claim 2 or 3, which is characterized in that the connector (6)
Interconnecting piece (61) and fixed part (62) are integrally formed.
5. a kind of bolt-spary supports system anchor pole according to claim 4, which is characterized in that the connector (6) is solid
Determine anchor pole (1) and extend at least two are arranged between anchor pole (5), the connector (6) is flexible connector (6).
6. a kind of bolt-spary supports system anchor pole according to claim 1, which is characterized in that further include anchor head (10), institute
It states anchor head (10) and is set in and extend the end of anchor pole (5) far from connection component one end, be arranged and extend on the inside of the anchor head (10)
The screw thread that anchor pole (5) outer surface matches.
7. a kind of bolt-spary supports system anchor pole according to claim 6, which is characterized in that the anchor head (10) is taper
Sleeve.
8. a kind of bolt-spary supports system anchor pole according to claim 6, which is characterized in that anchor head (10) surface is set
Set annular protrusion (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093030.1U CN208502817U (en) | 2018-07-11 | 2018-07-11 | A kind of bolt-spary supports system anchor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093030.1U CN208502817U (en) | 2018-07-11 | 2018-07-11 | A kind of bolt-spary supports system anchor pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502817U true CN208502817U (en) | 2019-02-15 |
Family
ID=65284067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821093030.1U Expired - Fee Related CN208502817U (en) | 2018-07-11 | 2018-07-11 | A kind of bolt-spary supports system anchor pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052192A1 (en) * | 2019-09-19 | 2021-03-25 | 孟波 | High stress rock burst roadway bolt, design method and working method |
-
2018
- 2018-07-11 CN CN201821093030.1U patent/CN208502817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052192A1 (en) * | 2019-09-19 | 2021-03-25 | 孟波 | High stress rock burst roadway bolt, design method and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210711 |