CN203856489U - Combined energy-releasing anchor rod having characteristics of resilient yielding and large damping - Google Patents
Combined energy-releasing anchor rod having characteristics of resilient yielding and large damping Download PDFInfo
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- CN203856489U CN203856489U CN201420178707.7U CN201420178707U CN203856489U CN 203856489 U CN203856489 U CN 203856489U CN 201420178707 U CN201420178707 U CN 201420178707U CN 203856489 U CN203856489 U CN 203856489U
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Abstract
The utility model discloses a combined energy-releasing anchor rod having the characteristics of elastic yielding and large damping, and belongs to the technical field of support of mines and engineering roadways. The rod body of the combined energy-releasing anchor rod adopts a modular combined structure. The rod body comprises an elastic module, damping modules, a stirring module and round steel connection rods. The rod body is formed in a manner of connecting the top end round steel connection rods, the elastic module, the damping modules and the stirring module in series from top to bottom. The combined energy-releasing anchor rod has a simple structure and is convenient to install, the elastic module can endow the surrounding rock a certain elastic deformation, and plays a role in yielding for the surrounding rock, along with the excavation disturbance and gradual releasing of surrounding rock stress induced by excavation disturbance, the requirement on the large deformation cannot be met by the yielding of the elastic module, at the time, the damping modules can produce certain slip in the resin anchoring agent, so as to achieve a damping effect, the accumulated energy produced by the ductile deformation is effectively consumed, accumulated energy is gradually released, then the whole support system is allowed to produce a certain large deformation, and the safety of roadways is guaranteed.
Description
Technical field
The utility model belongs to mine and engineering tunnel support technology field, particularly relate to a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole.
Background technology
Anchor pole is one of most widely used general and support apparatus that use amount is maximum in roadway support, because it has significant technological merit and superiority in economy.
But along with the continuous increase of the mining degree of depth, roadway surrounding rock also can be subject to the impact of corresponding high stress concentrations, under high stress, roadway surrounding rock can produce sliver and peel off with sillar and launch, and when serious, can produce violent Rock-burst.And traditional bolt support is under high stress, because the elongation per unit length of self is not high, in surrouding rock deformation process, traditional anchor pole easily produces distortion and then loses anchored force.Taking screw-thread steel resin anchor as example, because it has high-strength prestressed effect, and can improve the shear resistance of country rock and be widely used, but shortcoming is also very obvious, under anchor pole self high strength characteristics, the body of rod is merely able to produce little displacement deformation, and damping action is little, occur once rock burst, anchor pole is easy to destroyed, and can not effectively make the energy producing in process of rock-burst be released.
Utility model content
The problem existing for prior art, the utility model provide a kind of simple in structure, easy for installation, have elasticity allow compression functions, damping action large and have large deformation function combined type release can anchor pole.
To achieve these goals, the utility model adopts following technical scheme: a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, comprise nut, packing ring, supporting plate and the body of rod, described nut, packing ring and supporting plate are sleeved on body of rod upper end successively; The described body of rod adopts modularized combination type structure, and the body of rod comprises elastic module, damping module, stirring module and round steel connecting rod, and described elastic module, damping module and round steel connecting rod quantity are some; Described body of rod upper end is round steel connecting rod, and body of rod lower end is for stirring module, and described top round steel connecting rod is connected with elastic module, and elastic module is connected with damping module, and damping module is connected with stirring module.
Described elastic module adopts round steel material, and elastic module one end is set to external screw thread, and the elastic module other end is set to internal thread, is provided with some bending sections on the elastic module body of rod.
The bending direction of described some bending sections is entirely not identical.
Described damping module adopts round steel material, and damping module one end is set to external screw thread, and the damping module other end is set to internal thread, is provided with some flattening sections on the damping module body of rod.
The flattening direction of described some flattening sections is entirely not identical.
Described stirring module is set to bullet structure, stirs module upper end and is set to internal thread, stirs module lower end and is provided with paddle.
Described round steel connecting rod is set to two kinds, and the first round steel connecting rod one end is set to external screw thread, and the other end is set to internal thread; The second round steel connecting rod two ends are all set to external screw thread.
The beneficial effects of the utility model:
The utility model compared with prior art, simple in structure, easy for installation, adopt modularized combination type structure simultaneously, its elastic module can give country rock certain elastic deformation, and country rock is played to certain pressure effect that allows, along with excavation disturbance and the surrouding rock stress of bringing out thereof progressively discharge, the requirement that can not meet its large deformation is pressed in allowing of its elastic module, now damping module can produce certain slippage in resin anchoring agent, and then generation damping action, effectively consume gathering strength that ductility distortion produces, and the energy gathering is progressively discharged, and then allow whole support system to produce certain large deformation, ensure the safety in tunnel.
Brief description of the drawings
Fig. 1 be of the present utility model a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor structure schematic diagram;
Fig. 2 is elastic module structural representation of the present utility model;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is damping module structural representation of the present utility model;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is stirring modular structure schematic diagram of the present utility model;
Fig. 7 is the top view of Fig. 6;
In figure, 1-nut, 2-packing ring, 3-supporting plate, 4-elastic module, 5-damping module, 6-stir module, 7-round steel connecting rod, 8-bending section, 9-flattening section.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1,2,3,4,5,6,7, a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, comprise nut 1, packing ring 2, supporting plate 3 and the body of rod, described nut 1, packing ring 2 and supporting plate 3 are sleeved on body of rod upper end successively; The described body of rod adopts modularized combination type structure, and the body of rod comprises elastic module 4, damping module 5, stirs module 6 and round steel connecting rod 7, and described elastic module 4, damping module 5 and round steel connecting rod 7 quantity are some; Described body of rod upper end is round steel connecting rod 7, and body of rod lower end is for stirring module 6, and described top round steel connecting rod 7 is connected with elastic module 4, and elastic module 4 is connected with damping module 5, and damping module 5 is connected with stirring module 6.
Described elastic module 4 adopts round steel material, and elastic module 4 one end are set to external screw thread, and elastic module 4 other ends are set to internal thread, is provided with some bending sections 8 on elastic module 4 bodies of rod.
The bending direction of described some bending sections 8 is entirely not identical, and in the present embodiment, the bending direction of adjacent flex section differs 90 °.
Described damping module 5 adopts round steel material, and damping module 5 one end are set to external screw thread, and damping module 5 other ends are set to internal thread, is provided with some flattening sections 9 on damping module 5 bodies of rod.
The flattening direction of described some flattening sections 9 is entirely not identical, and in the present embodiment, the flattening direction of adjacent crush section differs 90 °.
Described stirring module 6 is set to bullet structure, stirs module 6 upper ends and is set to internal thread, stirs module 6 lower ends and is provided with paddle.
Described round steel connecting rod 7 is set to two kinds, and the first round steel connecting rod 7 one end are set to external screw thread, and the other end is set to internal thread; The second round steel connecting rod 7 two ends are all set to external screw thread.
Below in conjunction with a brief description of the drawings use procedure of the present utility model:
The present embodiment, for certain mine working is carried out to bolt support operation, as shown in Figure 1, is assembled the energy anchor pole of releasing of the present utility model in tunnel, presses the situation that manifests, and determine to release the combination of energy anchor pole according to the ground in tunnel.
Being applied to releasing of the present embodiment tunnel can comprise 1 one, nut, 2 one, packing ring, 3 one of supporting plates, 7 two of the first round steel connecting rods, 7 one of the second round steel connecting rods, 4 one of elastic modules, 5 two of damping modules and stir 6 one of modules by anchor pole.
First choose the first round steel connecting rod 7, the internal thread of the first round steel connecting rod 7 is connected with the external screw thread of elastic module 4, again the internal thread of elastic module 4 is connected with the external screw thread of another root the first round steel connecting rod 7, then its internal thread is connected with the external screw thread of a damping module 5, connect again second damping module 5, finally by the second round steel connecting rod 7, second damping module 5 is connected with stirring module 6, now shank portion has been assembled.
Before the body of rod is sent into bolthole, need to bolthole in-built enter resin explosive roll, and then the body of rod is slowly sent in bolthole, making to stir module 6 fully contacts with resin explosive roll, now body of rod upper end is connected with roof bolting machine, start roof bolting machine, drive and stir module 6 agitating resin powder sticks by roof bolting machine, until resin explosive roll is stirred, now two damping modules 5 are wrapped in the resin explosive roll stirring completely, elastic module 4 is positioned at resin explosive roll upside exposed at bolthole, by the time after resin explosive roll solidifies completely, successively by supporting plate 3, packing ring 2 and nut 1 are installed to body of rod upper end, finally with pneumatic impact wrench by fastening nut 1, now release and can all install by anchor pole.
Of the present utility model release can anchor pole can according to actual roadway surrounding rock press situation, determine flexibly the quantity of elastic module 4 and damping module 5, and the length of round steel connecting rod 7 also can be chosen flexibly.
Scheme in embodiment is not in order to limit scope of patent protection of the present utility model, allly do not depart from the equivalence that the utility model does and implements or change, and is all contained in the scope of the claims of this case.
Claims (7)
1. have elasticity and allow the combined type of pressure and large damping characteristic release an energy anchor pole, comprise nut, packing ring, supporting plate and the body of rod, described nut, packing ring and supporting plate are sleeved on body of rod upper end successively; It is characterized in that: the described body of rod adopts modularized combination type structure, and the body of rod comprises elastic module, damping module, stirring module and round steel connecting rod, and described elastic module, damping module and round steel connecting rod quantity are some; Described body of rod upper end is round steel connecting rod, and body of rod lower end is for stirring module, and described top round steel connecting rod is connected with elastic module, and elastic module is connected with damping module, and damping module is connected with stirring module.
According to claim 1 a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, it is characterized in that: described elastic module adopts round steel material, elastic module one end is set to external screw thread, the elastic module other end is set to internal thread, is provided with some bending sections on the elastic module body of rod.
According to claim 2 a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, it is characterized in that: the bending direction of described some bending sections is entirely not identical.
According to claim 1 a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, it is characterized in that: described damping module adopts round steel material, damping module one end is set to external screw thread, the damping module other end is set to internal thread, is provided with some flattening sections on the damping module body of rod.
According to claim 4 a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, it is characterized in that: described some flattening directions of flattening section are entirely not identical.
According to claim 1 a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, it is characterized in that: described stirring module is set to bullet structure, stir module upper end and be set to internal thread, stir module lower end and be provided with paddle.
According to claim 1 a kind of have elasticity allow press and the combined type of large damping characteristic release can anchor pole, it is characterized in that: described round steel connecting rod is set to two kinds, the first round steel connecting rod one end is set to external screw thread, the other end is set to internal thread; The second round steel connecting rod two ends are all set to external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178707.7U CN203856489U (en) | 2014-04-14 | 2014-04-14 | Combined energy-releasing anchor rod having characteristics of resilient yielding and large damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178707.7U CN203856489U (en) | 2014-04-14 | 2014-04-14 | Combined energy-releasing anchor rod having characteristics of resilient yielding and large damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856489U true CN203856489U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178707.7U Expired - Fee Related CN203856489U (en) | 2014-04-14 | 2014-04-14 | Combined energy-releasing anchor rod having characteristics of resilient yielding and large damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856489U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953375A (en) * | 2014-04-14 | 2014-07-30 | 东北大学 | Combined type anchor rod with elastic yielding and great damping characteristics |
| CN104929669A (en) * | 2015-07-01 | 2015-09-23 | 中国矿业大学 | Expansive type anchor cable resistant to large deformation of surrounding rocks |
| CN108222990A (en) * | 2018-03-23 | 2018-06-29 | 东北大学 | A kind of M types are released can anchor pole |
-
2014
- 2014-04-14 CN CN201420178707.7U patent/CN203856489U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953375A (en) * | 2014-04-14 | 2014-07-30 | 东北大学 | Combined type anchor rod with elastic yielding and great damping characteristics |
| CN104929669A (en) * | 2015-07-01 | 2015-09-23 | 中国矿业大学 | Expansive type anchor cable resistant to large deformation of surrounding rocks |
| CN108222990A (en) * | 2018-03-23 | 2018-06-29 | 东北大学 | A kind of M types are released can anchor pole |
| CN108222990B (en) * | 2018-03-23 | 2023-12-08 | 东北大学 | M-shaped energy release anchor rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141001 Termination date: 20160414 |