CN201526331U - Deformed steel bar for full anchoring bolt and full anchoring bolt body - Google Patents
Deformed steel bar for full anchoring bolt and full anchoring bolt body Download PDFInfo
- Publication number
- CN201526331U CN201526331U CN2009202401078U CN200920240107U CN201526331U CN 201526331 U CN201526331 U CN 201526331U CN 2009202401078 U CN2009202401078 U CN 2009202401078U CN 200920240107 U CN200920240107 U CN 200920240107U CN 201526331 U CN201526331 U CN 201526331U
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- screw
- full anchoring
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Abstract
The utility model discloses a deformed steel bar for a full anchoring bolt and a full anchoring bolt body. The full anchoring bolt body is intercepted by the deformed steel bar according to a designed length, and the round side surface at one end of the deformed steel bar is processed into symmetrical plane surfaces, thereby forming a segmental cross section; the thread of the deformed steel bar is triangular, and the direction of the thread is dextral thread single line; the thread angle of the thread is: Beta = 45 DEG - 60 DEG; the lead angle is: Alpha = 25 DEG - 35 DEG; the thread height is: 5 cm - 10 cm; the external diameter of the deformed steel bar is: 32 cm - 40 cm; and the triangle thread is continuous or interrupted in the spiral line. The utility model has the advantages that since the entire drill hole is in close combination with the anchor rod thread, the purpose of full anchoring is achieved without looseness or detachment. Moreover, more than two of such anchor rods can be connected and extended to be anchored into deeper drill holes.
Description
Technical field
The utility model relates to the anchor pole that roadway support is used.
Background technology
Anchor pole is the support material that underworkings or slope anchorage rock are used, traditional anchor metal is made up of anchorage head, anchor bar body, pallet, thread head and nut, during use, insertion is than in the thick boring of bolt diameter, with the anchoring agent anchorage head is anchored at foot of hole, apply pretightning force in hole month cover top tray with nut, the roadway surrounding rock anchoring one-tenth of fragmentation is whole.Anchor bar body generally adopts the round steel of φ 20-30 or screw-thread steel to make, so this anchor type is owing to just contact with rock mass at the anchor pole two ends and be called end anchorage.If being used for the rock stratum that brokenness is big, quality is soft, this anchor type is easy to produce slippage, lose anchorage effect, best anchor type is to realize full anchoring, be that whole boring is all with together anchor rod anchored, yet existing anchor pole owing to structural reason, can not be used for making the anchor pole of full anchor type with steel.So also there is not the anchor metal of full anchoring on the market.
Summary of the invention
The purpose of this utility model is screw-thread steel and the full anchoring rod body that a kind of full anchoring rod of design is used.
The screw-thread steel that a kind of full anchoring rod is used, it is a kind of screw-thread steel that rolls on milling train, it is characterized in that, the screw thread of described screw-thread steel is a triangle thread, the direction of screw thread is the dextrorotation single thread, β=45-60 ° at form of thread angle, lead angle α=25-35 °, thread depth is 5-10cm, and the screw-thread steel external diameter is 32cm-40cm.
Triangle thread recited above can be continuous shape on helix, also can be interrupted shape.
The full anchoring rod body that the above-mentioned screw-thread steel of a kind of usefulness is made, it is by after the design length intercepting, with the plane that symmetry is processed in the round side of an end, forms scarce circle cross section.Transfer torque after this scarce round structure is mainly used in when creeping into and drilling apparatus is pegged graft.
Above-mentioned full anchoring rod body also can be at regular screw threads in the head processing, are convenient in the aperture with the fixing top tray of nut.
For the ease of in rock, creeping into, be welded with alloy tool steel bit at the initiating terminal of triangle thread.
In order to be suitable for the connection lengthening of two anchor bar bodies, all be processed with regular screw threads at the two ends of anchor bar body, adopt the connection of the cover that is threaded between realizing two.
When the utility model uses, at first on country rock, get out less than the spiral thread on anchor bolt external diameter and be equal to or greater than the pilot bore hole of spiral thread on anchor bolt internal diameter, use drilling apparatus then under rotary power, be advanced in the boring like that to screw.
The utility model has the advantages that,,, any loosening disengaging can not take place so reached the purpose of full anchoring because whole boring all combines with spiral thread on anchor bolt is close.A plurality of anchor poles more than two can also be connected lengthening, anchor in the darker boring.
Description of drawings
Fig. 1 is the screw-thread steel front view of the utility model embodiment.
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the full anchoring rod body of a utility model front view;
Fig. 4 is the B-B profile of Fig. 3,
Fig. 5 is that the two ends of full anchoring rod body all process regular screw threads, realizes connecting with the cover that is threaded the schematic diagram of lengthening.
Among the figure: 1-triangle thread, 2-regular screw threads, 3-alloy tool steel bit, the 4-cover that is threaded.
The specific embodiment
Further specify structure of the present utility model below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the screw thread of screw-thread steel of the present utility model is a triangle thread 1, and the direction of screw thread 1 is the dextrorotation single thread, β=45-60 ° at screw thread 1 tooth form angle, screw thread 1 lift angle α=25-35 °, screw thread 1 highly is 5-10cm, and the screw-thread steel external diameter is 32cm-40cm.
Triangle thread recited above can be continuous shape on helix, also can be interrupted shape.
Full anchoring rod body of the present utility model directly can use from above-mentioned screw-thread steel intercepting according to design length.
As shown in Figure 3 and Figure 4 be complete another embodiment of anchoring rod body of the present utility model.It is applicable to a kind of form of using under the situation of aperture tray, for the ease of in the aperture with the fixing top tray of nut, regular screw threads 2 in the head reprocessing that lacks circle cross section.
When being used for very dark anchor hole, two can connect lengthening (as shown in Figure 5).
In order to be suitable for the connection lengthening of two anchor bar bodies, all be processed with regular screw threads at the two ends of anchor bar body, adopt the connection of the cover 4 that is threaded between realizing two.
In order to adapt to harder boring, be welded with hard alloy head at the initiating terminal of triangle thread.
Claims (5)
1. screw-thread steel that full anchoring rod is used, it is a kind of screw-thread steel that rolls on milling train, it is characterized in that, the screw thread of described screw-thread steel is a triangle thread, the direction of screw thread is the dextrorotation single line, β=45-60 ° at form of thread angle, lead angle α=25-35 °, thread depth is 5-10cm, and the screw-thread steel external diameter is 32cm-40cm; Triangle thread recited above is continuous shape or interrupted shape on helix.
2. a full anchoring rod body of making of the described screw-thread steel of claim 1 is characterized in that, it is after being intercepted by design length by screw-thread steel, with the plane that symmetry is processed in the round side of screw-thread steel one end, to form scarce circle cross section; Described screw-thread steel screw thread is a triangle, and the direction of screw thread is the dextrorotation single line, β=45-60 ° at form of thread angle, and lead angle α=25-35 °, thread depth is 5-10cm, the screw-thread steel external diameter is 32cm-40cm; Triangle thread recited above is continuous shape or interrupted shape on helix.
3. full anchoring rod body as claimed in claim 2 is characterized in that, is processed with regular screw threads at the anchor bar body head.
4. full anchoring rod body as claimed in claim 2 is characterized in that, all is processed with regular screw threads at the two ends of anchor bar body, adopts the connection that is threaded between two anchor bar bodies of cover realization.
5. as claim 2 or 3 or 4 described full anchoring rod bodies, it is characterized in that, be welded with alloy tool steel bit at the initiating terminal of triangle thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202401078U CN201526331U (en) | 2009-10-22 | 2009-10-22 | Deformed steel bar for full anchoring bolt and full anchoring bolt body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202401078U CN201526331U (en) | 2009-10-22 | 2009-10-22 | Deformed steel bar for full anchoring bolt and full anchoring bolt body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201526331U true CN201526331U (en) | 2010-07-14 |
Family
ID=42517619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202401078U Expired - Fee Related CN201526331U (en) | 2009-10-22 | 2009-10-22 | Deformed steel bar for full anchoring bolt and full anchoring bolt body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201526331U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436704A (en) * | 2016-06-29 | 2017-02-22 | 杭州斯泰新材料技术有限公司 | Anchor bolt and installing method and structure on concrete |
| CN109137903A (en) * | 2018-09-06 | 2019-01-04 | 山东焱鑫矿用材料加工有限公司 | A kind of non-cold working connection steel part with double rotational directions screw thread |
| CN110424633A (en) * | 2019-07-12 | 2019-11-08 | 周世宇 | A kind of screw-thread steel jointing |
-
2009
- 2009-10-22 CN CN2009202401078U patent/CN201526331U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436704A (en) * | 2016-06-29 | 2017-02-22 | 杭州斯泰新材料技术有限公司 | Anchor bolt and installing method and structure on concrete |
| CN106436704B (en) * | 2016-06-29 | 2020-06-30 | 杭州斯泰新材料技术有限公司 | Anchor bolt and mounting method and structure on concrete |
| CN109137903A (en) * | 2018-09-06 | 2019-01-04 | 山东焱鑫矿用材料加工有限公司 | A kind of non-cold working connection steel part with double rotational directions screw thread |
| CN110424633A (en) * | 2019-07-12 | 2019-11-08 | 周世宇 | A kind of screw-thread steel jointing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20121022 |