CN207499892U - A kind of mining fixing anchor bar for roadway support function - Google Patents
A kind of mining fixing anchor bar for roadway support function Download PDFInfo
- Publication number
- CN207499892U CN207499892U CN201721496927.4U CN201721496927U CN207499892U CN 207499892 U CN207499892 U CN 207499892U CN 201721496927 U CN201721496927 U CN 201721496927U CN 207499892 U CN207499892 U CN 207499892U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- rack posts
- support function
- roadway support
- anchor bar
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of mining fixing anchor bar for roadway support function, including pedestal, lower fulcrum bar, upper rack posts, backing plate, fixing groove, balance protrusion, balance base, compensating groove, lower screw rod, upper screw rod, revolving part, threaded hole, arc convex, standing screw and fixing bolt.The beneficial effects of the utility model：The utility model is provided with inflation port in chassis interior, expander is connected in bottom, adjustment hole is evenly distributed on expander, it is connect in pedestal with expansion cone, expansion cone is is obliquely installed, under the action of pulling force, expansion cone is to expander active force, expander can self-expansion, extended volume, realize the even closer connection with matrix, also the pulling force of bigger can be born, screw rod and lower screw rod on upper rack posts and lower fulcrum bar setting, corresponding threaded hole is set on revolving part, the rotation of revolving part can be passed through, the distance that upper rack posts and lower fulcrum bar can be adjusted is applied widely, support effect is good.
Description
Technical field
The utility model is related to a kind of fixing anchor bar, more precisely, being a kind of mining solid for roadway support function
Determine anchor pole.
Background technology
Anchor pole is the soil layer internal drilling do not excavated in deep foundation Tu Bi, and after reaching certain depth, reinforcing bar, steel are put into hole
The materials such as pipe, steel tendon, steel strand wires pour into mud or chemical grout, it is made to be combined into tension with soil layer and (pulls out) the strong anchor of power
Bar.Anchor pole end is coupled with lagging pile, prevents Tu Bi from caving in or coming down.Due to not setting support in hole, so execution conditions are preferable.
Suspension roof support is a kind of country rock common in the construction of the ground surface works and tunnel, stope etc. such as side slope, ground deep basal pit underground chambers
Support reinforcement mode.By applying the prestressing force of active, prestressed anchor can control in time the absciss layer of anchorage zone country rock, slip,
Crack is opened, and country rock is made to be in pressured state, inhibits the deformation and destruction of country rock.At present, china natural resources exploitation is just gradually to depth
The development of portion rock mass, deep rock mass have the characteristics that buried depth is big, crustal stress is high, be susceptible to after Rock Mass Unloading country rock wall caving,
Plate cracking destroys the phenomenon that serious, and the extremely strong disasters of destructive power such as rock burst even occur sometimes.Anchor pole China's deep basal pit supporting and retaining system,
Application in the engineerings such as slope reinforcement, Harnessing of Landslide, pond anti-floating, barricade anchoring and structure antidumping is increasingly extensive.
At present, existing common anchor pole is under large ground pressure, it is difficult to the extension of wall-rock crack, control rock mass be inhibited to become
Shape effect is poor, and the arch backing plate on anchor pole is easily followed by rotation or displacement, it is impossible to meet rock mass under large ground pressure
The requirement of excavation supporting.Simultaneously existing anchor pole can not the higher stretching resistance of bearing strength, and breakout capacity is also poor.
Invention content
The technical issues of the utility model is mainly solved present in the prior art, it is a kind of for roadway support so as to provide
The mining fixing anchor bar of function.
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals：The utility model is public
A kind of mining fixing anchor bar for roadway support function, including pedestal, upper rack posts, backing plate and fixing bolt, the bottom are opened
Seat bottom end is connect with expander, and the base center position sets inflation port, and adjustment hole, lower branch are uniformly arranged on the expander
Bar bottom end is connect with expansion cone, the lower screw rod of lower fulcrum bar top setting, the upper screw rod of upper rack posts bottom end setting, the upper branch
Bar upper end sets standing screw, and revolving part top and bottom center is respectively provided with threaded hole, and the standing screw connects with backing plate
It connects, the backing plate center sets arc convex, and the standing screw is fixedly connected with backing plate by fixing bolt.
Preferably, in order to which backing plate is made to facilitate installation, the backing plate center sets circular hole, and Circularhole diameter is slightly larger than fixation
Screw diameter.
Preferably, in order to make backing plate fitting closer, setting arc convex, upper rack posts upper end and arc among the backing plate
Projection contacts part is also configured as arc, and upper rack posts upper end arc matches with arc convex.
Preferably, in order to enable devices to adjust height, the lower screw rod and upper screw rod respectively with lower fulcrum bar and upper rack posts
It connects, the thread rotary orientation on lower screw rod and upper screw rod is is reversed.
Preferably, in order to enable devices to centering, evenly, the top and bottom of the revolving part are respectively provided with screw thread to stress
Hole, threaded hole match respectively with lower screw rod and upper screw rod, and top and bottom threaded hole is to being just centrally located.
Preferably, in order to enable expander self-expansion, the expansion cone is connect with lower fulcrum bar, and expansion cone is set as round
Taper.
Preferably, in order to which expansion cone is enable to move, the expansion cone is mutually matched with inflation port, expansion cone and inflation port
It connects.
Preferably, in order to enable devices to facilitate installation, the backing plate is with upper rack posts to be flexibly connected.
The beneficial effects of the utility model：The utility model is provided with inflation port in chassis interior, is connected in bottom swollen
Swollen body is evenly distributed with adjustment hole on expander, is connect in pedestal with expansion cone, and expansion cone is is obliquely installed, in the work of pulling force
Under, expansion cone can self-expansion, extended volume, realization and the even closer company of matrix to expander active force, expander
It connects, can also bear the pulling force of bigger, screw rod and lower screw rod, upper screw rod and lower screw rod and rotation on upper rack posts and lower fulcrum bar setting
Turn part connection, upper screw rod sets reversed screw thread with lower screw rod, sets corresponding threaded hole on revolving part, can pass through rotation
The rotation of part can adjust the distance of upper rack posts and lower fulcrum bar, and firm support can be carried out to tunnel, also applicable different size of
Tunnel, applied widely, support effect is good.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the utility model section schematic diagram；
Fig. 3 is the utility model revolving part schematic diagram；
Fig. 4 is the utility model pedestal enlarged diagram；
In figure：1st, pedestal, 2, lower fulcrum bar, 3, upper rack posts, 4, backing plate, 5, inflation port, 6, adjustment hole, 7, expansion cone, 8, swollen
Swollen body, 9, lower screw rod, 10, upper screw rod, 11, revolving part, 12, threaded hole, 13, arc convex, 14, standing screw, 15, fixed spiral shell
Bolt.
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Please refer to Fig.1 shown in -4, a kind of mining fixing anchor bar for roadway support function, including pedestal 1, upper rack posts 3,
Backing plate 4 and fixing bolt 15,1 bottom end of pedestal are connect with expander 8, and 1 center of pedestal sets inflation port 5, institute
It states and adjustment hole 6 is uniformly arranged on expander 8,2 bottom end of lower fulcrum bar is connect with expansion cone 7, under 2 top of the lower fulcrum bar setting
Screw rod 9, the upper screw rod 10 of 3 bottom end of upper rack posts setting, 3 upper end of upper rack posts sets standing screw 14, the revolving part 11
Top and bottom center is respectively provided with threaded hole 12, and the standing screw 14 is connect with backing plate 4,4 center of backing plate
Arc convex 13 is set, and the standing screw 14 is fixedly connected with backing plate 4 by fixing bolt 15.
As a kind of technical optimization scheme of the utility model, 4 center of backing plate sets circular hole, and Circularhole diameter omits
More than 14 diameter of standing screw.
As a kind of technical optimization scheme of the utility model, setting arc convex 13, upper rack posts 3 among the backing plate 4
Upper end is also configured as arc with 13 contact portion of arc convex, and 3 upper end arc of upper rack posts matches with arc convex 13.
As a kind of technical optimization scheme of the utility model, the lower screw rod 9 and upper screw rod 10 respectively with lower fulcrum bar 2 and
Upper rack posts 3 connect, and the thread rotary orientation on lower screw rod 9 and upper screw rod 10 is is reversed.
As a kind of technical optimization scheme of the utility model, the top and bottom of the revolving part 11 are respectively provided with threaded hole
12, threaded hole 12 matches respectively with lower screw rod 9 and upper screw rod 10, and top and bottom threaded hole 12 is to being just centrally located.
As a kind of technical optimization scheme of the utility model, the expansion cone 7 is connect with lower fulcrum bar 2, and expansion cone 7 is set
For cone.
As a kind of technical optimization scheme of the utility model, the expansion cone 7 is mutually matched with inflation port 5, expansion cone 7
It is connected with inflation port 5.
As a kind of technical optimization scheme of the utility model, the backing plate 4 is with upper rack posts 3 to be flexibly connected.
When the utility model is used, 1 bottom end of pedestal is connect with expander 8, for being expanded in matrix hole, expanded joint is utilized
Increase pulling force, improve the use scope of device, 1 center of pedestal setting inflation port 5, for the installation of expansion cone 7, expander
It is uniformly arranged adjustment hole 6 on 8 to match with expansion cone 7, when lower fulcrum bar 2 gives 7 pulling force of expansion cone, 8 self inflation of expander adds
Tightly connect with the hole on matrix, the lower screw rod 9 of 2 top of lower fulcrum bar setting, the upper screw rod 10 of 3 bottom end of upper rack posts setting, lower screw rod 9 with it is upper
It is connected between screw rod 10 by the threaded hole 12 on revolving part 11, when rotating clockwise revolving part 11, lower screw rod 9 can be increased
The distance between upper screw rod 10, increase the device scope of application, 3 upper end of upper rack posts setting standing screw 14, standing screw 14 with
Backing plate 4 connects, for being connect with protection body, 4 center of backing plate setting arc convex 13, in order to make the stressed effect of backing plate more
Good, standing screw 14 is fixedly connected with backing plate 4 by fixing bolt 15, using 15 device easy to connect of fixing bolt dismounting and
Installation.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of mining fixing anchor bar for roadway support function, including pedestal（1）, upper rack posts（3）, backing plate（4）And fixation
Bolt（15）, it is characterised in that：The pedestal（1）Bottom end and expander（8）Connection, the pedestal（1）Center setting is swollen
Swollen hole（5）, the expander（8）On be uniformly arranged adjustment hole（6）, lower fulcrum bar（2）Bottom end and expansion cone（7）Connection, under described
Strut（2）The lower screw rod of top setting（9）, the upper rack posts（3）The upper screw rod of bottom end setting（10）, the upper rack posts（3）Upper end is set
Put standing screw（14）, revolving part（11）Top and bottom center is respectively provided with threaded hole（12）, the standing screw（14）
With backing plate（4）Connection, the backing plate（4）Center sets arc convex（13）, the standing screw（14）With backing plate（4）It is logical
Cross fixing bolt（15）It is fixedly connected.
2. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：The pad
Plate（4）Center sets circular hole, and Circularhole diameter is slightly larger than standing screw（14）Diameter.
3. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：The pad
Plate（4）Centre setting arc convex（13）, upper rack posts（3）Upper end and arc convex（13）Contact portion is also configured as arc, on
Strut（3）Upper end arc and arc convex（13）Match.
4. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：Under described
Screw rod（9）With upper screw rod（10）Respectively with lower fulcrum bar（2）And upper rack posts（3）Connection, lower screw rod（9）With upper screw rod（10）On spiral shell
Line rotation direction is is reversed.
5. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：The rotation
Turn part（11）Top and bottom be respectively provided with threaded hole（12）, threaded hole（12）Respectively with lower screw rod（9）With upper screw rod（10）Phase
Matching, top and bottom threaded hole（12）It is to being just centrally located.
6. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：It is described swollen
Swollen cone（7）With lower fulcrum bar（2）Connection, expansion cone（7）It is set as cone.
7. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：It is described swollen
Swollen cone（7）With inflation port（5）It is mutually matched, expansion cone（7）With inflation port（5）It connects.
8. a kind of mining fixing anchor bar for roadway support function according to claim 1, it is characterised in that：The pad
Plate（4）With upper rack posts（3）For flexible connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721496927.4U CN207499892U (en) | 2017-11-11 | 2017-11-11 | A kind of mining fixing anchor bar for roadway support function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721496927.4U CN207499892U (en) | 2017-11-11 | 2017-11-11 | A kind of mining fixing anchor bar for roadway support function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207499892U true CN207499892U (en) | 2018-06-15 |
Family
ID=62504503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721496927.4U Expired - Fee Related CN207499892U (en) | 2017-11-11 | 2017-11-11 | A kind of mining fixing anchor bar for roadway support function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207499892U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441122A (en) * | 2018-12-18 | 2019-03-08 | 宁波大学 | A kind of prestressed bringing device of I-beam |
| CN110318794A (en) * | 2019-07-05 | 2019-10-11 | 太原理工大学 | A kind of modularization multinode buffering linking anchor pole |
| CN110566257A (en) * | 2019-10-17 | 2019-12-13 | 龚会萍 | Flexible anchor rod |
-
2017
- 2017-11-11 CN CN201721496927.4U patent/CN207499892U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441122A (en) * | 2018-12-18 | 2019-03-08 | 宁波大学 | A kind of prestressed bringing device of I-beam |
| CN109441122B (en) * | 2018-12-18 | 2023-10-31 | 宁波大学 | I-beam prestress application device |
| CN110318794A (en) * | 2019-07-05 | 2019-10-11 | 太原理工大学 | A kind of modularization multinode buffering linking anchor pole |
| CN110566257A (en) * | 2019-10-17 | 2019-12-13 | 龚会萍 | Flexible anchor rod |
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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 |
Granted publication date: 20180615 Termination date: 20181111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |