CN204419218U - A kind of novel combination type steel strand anchor rod - Google Patents
A kind of novel combination type steel strand anchor rod Download PDFInfo
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- CN204419218U CN204419218U CN201520031923.3U CN201520031923U CN204419218U CN 204419218 U CN204419218 U CN 204419218U CN 201520031923 U CN201520031923 U CN 201520031923U CN 204419218 U CN204419218 U CN 204419218U
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- steel strand
- adapter sleeve
- rod
- combination type
- novel combination
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Abstract
The utility model relates to geotechnical engineering supporting and protection structure field, disclose a kind of novel combination type steel strand anchor rod, comprise nut (1), connecting rod (2), pad (3), adapter sleeve (4), the steel strand body of rod (5), adapter sleeve (6), anchoring section (7), round table-like structure (8), steam vent (9), spindle projection (10), described nut (1), pad (3) is connected with connecting rod (2) successively, described adapter sleeve (4) and connecting rod (2) are threaded connection, the other end and steel strand are by hydraulic extrusion press squeeze flow, described adapter sleeve (6) and anchoring section (7) are threaded connection, the other end also passes through squeeze flow with steel strand, the described steel strand body of rod (5) is by adapter sleeve (4), steel strand and adapter sleeve (6) are formed.The utility model adopts the steel strand body of rod (5) and round table-like projection (8) structure, improve the intensity of anchor pole, significantly improve its anchoring ability, the requirement of anchor pole different length can be met simultaneously, in the job site of assembling day by day, arbitrarily can combine, facilitate site operation.
Description
Technical field
The utility model relates to ground anchorage and engineering support field, particularly relates to a kind of novel combination type steel strand anchor rod.
Background technology
In the domain engineering processs of construction such as tunnel, water conservancy, mine working, anchor pole becomes most widely used support apparatus, by the anchor pole in the earth formation buried underground, by works and stratum being linked togather tightly, rely on the pulling force of the shear strength transferring structure thing of anchor pole and surrounding formation or stratum self is reinforced, with stablizing of holding structure thing and Rock And Soil.
Feature supportings under the colliery and tunnel shaft of China such as steel strand anchor rod is simple with its structure, it is convenient to install, intensity is high, simple process often use.Current steel strand anchor rod many employings steel strand and the integrally welded design of screw-thread steel, this design not only increases cost, and reduce the intensity of screw-thread steel and steel strand due to high-temperature soldering, steel strand anchor rod is made not reach predetermined intensity, simultaneously a little than the difference envisioned with the bonding degree of cementing agent.
The features such as the job site environment more complicated of various supporting operation, at this moment needs to provide a kind of assembling, combined anchor, rational in infrastructure with it, construction is simple, convenient disassembly, easy to use are extensively used in all kinds of supporting operation.
Summary of the invention
The purpose of this utility model is: can not disassembly and assembly for existing steel strand anchor rod, the technical problem that steel strand anchor rod anchoring ability falls flat, provides that a kind of pliability is good, anchoring ability is strong, it is convenient to install, intensity is high, simple process, the anchor pole that can combinationally use.
To achieve these goals, the scheme adopted is: a kind of novel combination type steel strand anchor rod, comprise nut (1), connecting rod (2), pad (3), adapter sleeve (4), the steel strand body of rod (5), adapter sleeve (6), anchoring section (7), round table-like structure (8), steam vent (9), spindle projection (10), described nut (1), pad (3) is connected with connecting rod (2) successively, the end external screw thread of described connecting rod (2) is connected with the internal thread of adapter sleeve (4) is supporting, described adapter sleeve (4) passes through hydraulic extrusion press squeeze flow between the other end and steel strand, the internal thread of described adapter sleeve (6) is also connected with the external screw thread of anchoring section (7) is supporting, described adapter sleeve (6) other end also passes through hydraulic extrusion press squeeze flow with steel strand, the described steel strand body of rod (5) is by adapter sleeve (4), steel strand and adapter sleeve (6) are formed.
As preferably, described connecting rod (2) is made up of high-strength deformed steel bar.
As preferably, the described steel strand body of rod (5), connecting rod (2), anchoring section (7) can be solid hopkinson bar body, also can be hollow lever, when for hollow lever, anchoring section (7) have steam vent (9).
As preferably, described spindle projection (10) is separated by steel strand, and between steel strand filling elastic material, then plate layer protecting film in the outside of steel strand and elastomeric material.
As preferably, described anchoring section (7) is made up of several round table-like structures (8) and screw-thread steel monobloc cast.
Relative to prior art, the beneficial effects of the utility model are:
(1) a kind of novel combination type steel strand anchor rod of the present utility model, the steel strand body of rod is formed by prestress wire manufacture, compared with existing metallic rod body, intensity improves greatly, simultaneously good, the good springiness of pliability, make anchor rod body in the large deformation rock-soil layers such as soft-rock tunnel, be less likely to occur fracture and destroy, substantially increase the application life of anchor pole, there is very strong practicality.
(2) a kind of novel combination type steel strand anchor rod of the present utility model, by hydraulic extrusion press squeeze flow between steel strand and screw-thread steel adapter sleeve, eliminate complicated welding procedure, improve production efficiency, avoid the phenomenon of the quality shakiness occurred in welding, the intensity of the body of rod is guaranteed.
(3) a kind of novel combination type steel strand anchor rod of the present utility model, makes anchor pole have certain pressure effect that allows by the setting of spindle projection, avoids anchor pole to be pulled off and catastrophic failure.
(4) a kind of novel combination type steel strand anchor rod of the present utility model, anchoring section adds the contact area with slurries by the setting of round table-like structure, improve the uplift resistance of anchor pole, compare the raising that traditional steel strand anchor rod achieves anchor-holding force of anchor bolt, round table-like structure also can make anchor pole be centered in anchor hole simultaneously.
(5) a kind of novel combination type steel strand anchor rod of the present utility model, by the setting of the steel strand body of rod and linkage, easy assembly and disassembly, steel strand can cut into random length, link together with anchoring section, meet different anchorage length requirement, in the job site of assembling day by day, arbitrarily can combine between different anchor pole, facilitate site operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further details:
Fig. 1 is the structural representation of a kind of novel combination type steel strand anchor rod of the utility model;
Fig. 2 is the syndeton schematic diagram of adapter sleeve described in the utility model (4);
Fig. 3 is the syndeton schematic diagram of adapter sleeve described in the utility model (6);
Fig. 4 is a kind of novel combination type steel strand anchor rod of the utility model solid construction A-A generalized section;
Fig. 5 is a kind of novel combination type steel strand anchor rod of the utility model hollow-core construction A-A generalized section;
Fig. 6 is a kind of novel combination type steel strand anchor rod of the utility model solid construction B-B generalized section;
Fig. 7 is a kind of novel combination type steel strand anchor rod of the utility model hollow-core construction B-B generalized section;
Fig. 8 is the schematic perspective view of round table-like structure described in the utility model;
Signal number in the figure: 1, nut; 2, connecting rod; 3, pad; 4, adapter sleeve; 5, the steel strand body of rod; 6, adapter sleeve; 7, anchoring section; 8, round table-like structure; 9, steam vent; 10, spindle projection.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Fig. 8, a kind of novel combination type steel strand anchor rod, comprise nut (1), connecting rod (2), pad (3), adapter sleeve (4), the steel strand body of rod (5), adapter sleeve (6), anchoring section (7), round table-like structure (8), steam vent (9), spindle projection (10), described nut (1), pad (3) is connected with connecting rod (2) successively, the end external screw thread of described connecting rod (2) is connected with the internal thread of adapter sleeve (4) is supporting, described adapter sleeve (4) passes through hydraulic extrusion press squeeze flow between the other end and steel strand, the internal thread of described adapter sleeve (6) is also connected with the external screw thread of anchoring section (7) is supporting, described adapter sleeve (6) other end also passes through hydraulic extrusion press squeeze flow with steel strand, the described steel strand body of rod (5) is by adapter sleeve (4), steel strand and adapter sleeve (6) are formed.
In the present embodiment, a kind of novel combination type steel strand anchor rod of design, during assembling anchor pole, the syndeton schematic diagram of adapter sleeve (4) as shown in Figure 2, first in adapter sleeve (4), internal thread is processed, internal thread length exists, between 30mm ~ 50mm, again connecting rod (2) and adapter sleeve (4) are threaded connection, secondly by hydraulic extrusion press, steel strand are squeezed in adapter sleeve (4), extruded segment length is between 80mm ~ 100mm, and then steel strand are squeezed in adapter sleeve (6), the syndeton schematic diagram of adapter sleeve (6) as shown in Figure 3, extruded length is also between 80mm ~ 100mm, then the internal thread of adapter sleeve (6) and the external screw thread of anchoring section (7) are threaded connection, finally pad (3) and nut (1) are connected in turn on connecting rod (2).When carrying out supporting operation, first Anchor Agent put into boring or inject slurry from drill hole, again steel strand anchor rod is put into boring, treat Anchor Agent sclerosis post tensioning anchor pole, the position of adjustment hold-down nut (1) and pad (3), and fastening nut (1), pad (3) and the anchor bar body entering boring just define the supporting and protection structure to country rock, thus complete supporting task.
In the present embodiment, by the setting of the steel strand body of rod (5), improve the intensity of anchor pole, avoid steel strand to be pulled off and catastrophic failure, make steel strand anchor rod have very strong practicality.
In the present embodiment, by the setting of adapter sleeve (4) and adapter sleeve (6), eliminate complicated welding procedure, avoid the phenomenon of the quality shakiness occurred in welding, the intensity of the body of rod is guaranteed, steel strand can cut into random length simultaneously, meet different anchorage length requirement, in the job site of assembling day by day, arbitrarily can combine, facilitate site operation.
In the present embodiment, by the setting of the anchoring section of round table-like structure (8), add the contact area with slurries, improve the uplift resistance of anchor pole, compare the raising that traditional steel strand anchor rod achieves anchor-holding force of anchor bolt.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Claims (5)
1. a novel combination type steel strand anchor rod, comprise nut (1), connecting rod (2), pad (3), adapter sleeve (4), the steel strand body of rod (5), adapter sleeve (6), anchoring section (7), round table-like structure (8), steam vent (9), spindle projection (10), described nut (1), pad (3) is connected with connecting rod (2) successively, the end external screw thread of described connecting rod (2) is connected with the internal thread of adapter sleeve (4) is supporting, described adapter sleeve (4) passes through hydraulic extrusion press squeeze flow between the other end and steel strand, the internal thread of described adapter sleeve (6) is also connected with the external screw thread of anchoring section (7) is supporting, described adapter sleeve (6) other end also passes through hydraulic extrusion press squeeze flow with steel strand, the described steel strand body of rod (5) is by adapter sleeve (4), steel strand and adapter sleeve (6) are formed.
2. a kind of novel combination type steel strand anchor rod according to claim 1, is characterized in that, described connecting rod (2) is made up of high-strength deformed steel bar.
3. a kind of novel combination type steel strand anchor rod according to claim 1, it is characterized in that, the described steel strand body of rod (5), connecting rod (2), anchoring section (7) can be solid hopkinson bar body, also can be hollow lever, when for hollow lever, anchoring section (7) has steam vent (9).
4. a kind of novel combination type steel strand anchor rod according to claim 1; it is characterized in that; described spindle projection (10) be by steel strand be separated, and between steel strand filling elastic material, then plate layer protecting film in the outside of steel strand and elastomeric material.
5. a kind of novel combination type steel strand anchor rod according to claim 1, is characterized in that, described anchoring section (7) is made up of several round table-like structures (8) and screw-thread steel monobloc cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031923.3U CN204419218U (en) | 2015-01-16 | 2015-01-16 | A kind of novel combination type steel strand anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031923.3U CN204419218U (en) | 2015-01-16 | 2015-01-16 | A kind of novel combination type steel strand anchor rod |
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| Publication Number | Publication Date |
|---|---|
| CN204419218U true CN204419218U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520031923.3U Expired - Fee Related CN204419218U (en) | 2015-01-16 | 2015-01-16 | A kind of novel combination type steel strand anchor rod |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060852A (en) * | 2017-01-22 | 2017-08-18 | 北京工业大学 | A kind of FRP hollow grouting anchoring-bolts of embedded steel strand wires |
| CN113305519A (en) * | 2021-06-23 | 2021-08-27 | 泰安泰烁岩层控制科技有限公司 | Machining process and using method of anchoring rod capable of improving anchoring efficiency |
| CN113931670A (en) * | 2021-10-14 | 2022-01-14 | 中铁隧道集团二处有限公司 | Combined grouting prestress large-deformation anchor rod and construction method thereof |
-
2015
- 2015-01-16 CN CN201520031923.3U patent/CN204419218U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060852A (en) * | 2017-01-22 | 2017-08-18 | 北京工业大学 | A kind of FRP hollow grouting anchoring-bolts of embedded steel strand wires |
| CN113305519A (en) * | 2021-06-23 | 2021-08-27 | 泰安泰烁岩层控制科技有限公司 | Machining process and using method of anchoring rod capable of improving anchoring efficiency |
| CN113931670A (en) * | 2021-10-14 | 2022-01-14 | 中铁隧道集团二处有限公司 | Combined grouting prestress large-deformation anchor rod and construction method thereof |
| CN113931670B (en) * | 2021-10-14 | 2024-05-17 | 中铁隧道集团二处有限公司 | Combined grouting prestress large-deformation anchor rod and construction method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20160116 |
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| EXPY | Termination of patent right or utility model |