CN214738029U - Spliced prestressed anchor cable device - Google Patents
Spliced prestressed anchor cable device Download PDFInfo
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- CN214738029U CN214738029U CN202120878138.7U CN202120878138U CN214738029U CN 214738029 U CN214738029 U CN 214738029U CN 202120878138 U CN202120878138 U CN 202120878138U CN 214738029 U CN214738029 U CN 214738029U
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- anchor
- connecting piece
- steel strand
- anchor cable
- cable
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Abstract
The utility model discloses a splicing type prestressed anchor cable device, which comprises at least one anchor section anchor cable and at least one free section anchor cable; the anchor section anchor cable comprises a clamping piece, an expansion pipe, a first steel strand and a first connecting piece, wherein the first steel strand is arranged in the expansion pipe, one end of the first steel strand is provided with the clamping piece, the other end of the first steel strand is provided with the first connecting piece, and the clamping piece is used for fixing the first steel strand in the expansion pipe; the free section anchor cable comprises a second connecting piece and a second steel strand, and one end of the second steel strand is fixed with the second connecting piece; the anchor section anchor cable and the free section anchor cable can be connected through a first connecting piece and a second connecting piece. The utility model discloses a concatenation type anchor rope device can be according to the length of the nimble adjustment anchor section anchor rope of the length of the required anchor rope of construction and the length of free segment anchor rope to can realize linking many anchor ropes as an organic whole, make the whole anchoring nature to the rock mass stronger, can bear bigger pulling force.
Description
Technical Field
The utility model relates to a fixed technical field of anchor rope especially relates to a concatenation type prestressed anchorage cable device.
Background
With the rapid development of the country, the underground environment protection and the development of underground space are increasing day by day. In the limited underground space construction process, in order to guarantee the stability of construction environment, need adopt prestressed anchorage cable to consolidate peripheral rock mass, according to the country rock nature, select the length of anchor rope, but when the country rock nature is relatively poor, required anchor rope length is longer, when adopting traditional long anchor rope directly to carry out the construction in limited underground space scope, because the length of long anchor rope can not nimble be adjusted and the restriction of underground construction space, make the construction degree of difficulty increase.
Disclosure of Invention
The utility model provides a concatenation type prestressed anchorage cable device to overcome required anchor rope length long time, receive the length of underground space scope's restriction and long anchor rope and can not adjust in a flexible way, the big problem of the construction degree of difficulty.
In order to realize the purpose, the technical scheme of the utility model is that:
a splicing type pre-stressed anchor cable device comprises at least one anchor section anchor cable and at least one free section anchor cable;
the anchor section anchor cable comprises a clamping piece, an expansion pipe, a first steel strand and a first connecting piece, wherein the first steel strand is arranged in the expansion pipe, one end of the first steel strand is provided with the clamping piece, the other end of the first steel strand is provided with the first connecting piece, and the clamping piece is used for fixing the first steel strand in the expansion pipe;
the free section anchor cable comprises a second connecting piece and a second steel strand, and the second connecting piece is fixed at one end of the second steel strand;
the anchor section anchor cable and the free section anchor cable can be connected through a first connecting piece and a second connecting piece.
Furthermore, the expansion pipe has a plurality ofly, and the expansion pipe is equipped with the one end of first connecting piece and still is provided with the barrier plate.
Furthermore, the anchor segment anchor cable fixing device further comprises a third connecting piece, the anchor segment anchor cables are provided with a plurality of anchor segments, and two adjacent anchor segment anchor cables are connected through the first connecting piece and the third connecting piece.
The cable further comprises a fourth connecting piece, the free-section anchor cables are provided with a plurality of free-section anchor cables, and two adjacent free-section anchor cables are connected through the second connecting piece and the fourth connecting piece.
Furthermore, one end of the first connecting piece is provided with an internal thread, and the other end of the first connecting piece is provided with an external thread; and internal threads are arranged at two ends of the second connecting piece.
Furthermore, the two ends of the third connecting piece are provided with internal threads.
Furthermore, one end of the fourth connecting piece is provided with an internal thread, and the other end of the fourth connecting piece is provided with an external thread.
Compared with the prior art, concatenation type prestressed anchorage cable device can design the radical of anchor section anchor rope and free segment anchor rope according to actual construction needs's anchor rope length, form prestressed anchorage cable device with many anchor sections and many free segment anchor rope concatenations, no longer receive underground construction space's restriction, simple to operate reduces the construction degree of difficulty.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a spliced prestressed anchor cable device;
FIG. 2 is a schematic view of an anchor cable structure of the anchoring section;
FIG. 3 is a schematic view of an anchor segment anchor cable structure including a third connector;
FIG. 4 is a schematic view of a free segment anchor cable configuration;
FIG. 5 is a schematic view of a free segment cable bolt configuration including a fourth link;
FIG. 6 is a schematic structural view of an I-beam;
FIG. 7 is a schematic structural diagram of the components of an I-beam;
FIG. 8 is a schematic view of a wire loop configuration;
FIG. 9 is a schematic view of fixing a plurality of spliced prestressed anchor cables.
In the figure, 1, a clamping piece, 2, a first steel strand, 3, an expansion pipe, 4, a first connecting piece, 5, a blocking plate, 6, a second steel strand, 7, a second connecting piece, 8, a third connecting piece, 9, a fourth connecting piece, 10, a first I-shaped steel, 11, a second I-shaped steel, 12, an end fixing part, 13, a steel plate, 14, a bolt, 15, a first wire ring, 16, a second wire ring, 17, a guide cap, 18, an anchoring section anchor cable, 19 and a free section anchor cable.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 9, the spliced prestressed anchor cable device includes at least one anchor segment anchor cable 18 and at least one free segment anchor cable 19; in this embodiment, the lengths of the anchor section cable 18 and the free section cable 19 may be designed according to the length of the cable device required by actual conditions during construction.
As shown in fig. 2, the anchor segment anchor cable 18 includes a clamping piece 1, an expansion pipe 3, a first steel strand 2 and a first connecting piece 4, the first steel strand 2 is disposed in the expansion pipe 3, and the clamping piece 1 is disposed at one end and the first connecting piece 4 is disposed at the other end, the clamping piece 1 is used for fixing the first steel strand 2 in the expansion pipe 3; one end of the first connecting piece 4 is provided with an internal thread, and the other end of the first connecting piece is provided with an external thread; in this embodiment, preferably, the clamping piece 1 is a conical clamping piece, the steel strand is inserted into the conical clamping piece and fixed with the expansion pipe through the conical clamping piece, the first connecting piece 4 is a cylindrical connecting piece, one end of the first connecting piece is provided with an internal thread, and the other end of the first connecting piece is provided with an external thread; the first connecting piece 4 is provided with the one end of internal thread and fixed with the expansion pipe, and the one end that is equipped with the external thread is fixed with the free segment anchor rope, fixes anchor section anchor rope 18 in the direction cap 17 in the work progress, and the fixed certain guard action of expansion pipe that plays of direction cap.
As shown in fig. 2 and 4, the free-segment anchor cable 19 comprises a second connecting member 7 and a second steel strand 6, and one end of the second steel strand 6 is fixed on the second connecting member 7; and the two ends of the second connecting piece 7 are provided with internal threads. In this embodiment, it is preferable that the second connecting member 7 is a cylindrical connecting member, and both ends thereof are provided with internal threads.
As shown in fig. 1 and 2, the anchor cable 18 and the free cable 19 may be connected by a first connecting member 4 and a second connecting member 7. In this embodiment, according to the length of the prestressed anchor cable device required in actual construction, the anchor section anchor cable 18 and the free section anchor cable 19 are fixed by the first connecting member 4 and the second connecting member 7, and one end of the external thread of the first connecting member 4 is inserted into the internal thread of the second connecting member 7 for fixing.
As shown in fig. 1-3, further, the expansion pipe 3 has a plurality of expansion pipes, and the end of the expansion pipe provided with the first connecting piece is also provided with a blocking plate 5. In this embodiment, preferably, the blocking plate 5 is a circular iron plate, the expansion pipe 3 and the blocking plate 5 make the anchor segment anchor cable 18 more firm, and the blocking plate 5 increases the contact area between the spliced prestressed anchor cable device and the concrete, increases the side friction between the prestressed anchor cable and the concrete, and thus increases the pulling-resistant bearing capacity of the prestressed anchor cable device.
As shown in fig. 3, further, the connecting device further comprises a third connecting piece 8, and both ends of the third connecting piece 8 are provided with internal threads; the anchoring section anchor cables 18 are provided with a plurality of adjacent anchoring section anchor cables, and the adjacent two anchoring section anchor cables are connected through the first connecting piece 4 and the third connecting piece 8; in this embodiment, according to the anchor section anchor rope length of actual design, connect many anchor section anchor ropes through first connecting piece 4 and third connecting piece 8, the one end that first connecting piece 4 contains the external screw thread inserts the third and connects 8 one ends that contain the internal thread and fix, links into integrative anchor section anchor rope with many anchor section anchor ropes. As shown in fig. 6 and 9, in the present embodiment, a plurality of anchor segment anchor cables 18 of the spliced prestressed anchor cables are fixed by a first i-beam 10, a second i-beam 11 and a head fixing member 12; as shown in fig. 7, the i- beams 10 and 11 are fixedly connected to a plurality of steel plates 13 by bolts 14 according to actual construction requirements.
As shown in fig. 5, further, the connecting device further comprises a fourth connecting piece 9, wherein one end of the fourth connecting piece 9 is provided with an internal thread, and the other end is provided with an external thread. The free-segment anchor cable 19 has a plurality of adjacent free-segment anchor cables connected by the second connecting member 7 and the fourth connecting member 9. In this embodiment, according to the length of the actually designed free section anchor cable, a plurality of free section anchor cables are connected through the second connecting piece 7 and the fourth connecting piece 9, one end of the fourth connecting piece 9, which contains the external thread, is inserted into one end of the second connecting piece 7, which contains the internal thread, to be fixed, and the plurality of free section anchor cables are connected into an integral free section anchor cable. The plurality of free-length anchor cables 19 are fixed by the first and second wire loops 15 and 16, wherein the first wire loop 15 has a larger diameter than the second wire loop 16 as shown in fig. 8.
During specific construction, one or more anchor section anchor cables 18 and free section anchor cables 19 can be selected according to construction requirements, and the one or more anchor section anchor cables 18 and the free section anchor cables 19 are connected with each other through connecting pieces to form the prestressed anchor rod with the length required by construction. In the pore anchor that will make up into integrative prestressed anchorage pole passes through the rock mass face goes into the rock mass at the work progress, pour into the concrete in the hole, adopt the jack to apply prestressing force, in prestressing force and later stage atress tensioning process are applied to the anchor rope, the inflation takes place for expansion pipe 3, 5 and the overhead line rings of different diameters make anchor rope more firm in the anchor mass, compare with traditional prestressed anchorage cable, can not take place to slide under the circumstances that bears bigger pulling force, the anchor effect is more.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A spliced pre-stressed anchor cable device is characterized by comprising at least one anchor section anchor cable and at least one free section anchor cable;
the anchor section anchor cable comprises a clamping piece, an expansion pipe, a first steel strand and a first connecting piece, wherein the first steel strand is arranged in the expansion pipe, one end of the first steel strand is provided with the clamping piece, the other end of the first steel strand is provided with the first connecting piece, and the clamping piece is used for fixing the first steel strand in the expansion pipe;
the free section anchor cable comprises a second connecting piece and a second steel strand, and the second connecting piece is fixed at one end of the second steel strand;
the anchor section anchor cable and the free section anchor cable can be connected through a first connecting piece and a second connecting piece.
2. The spliced type prestressed anchorage cable device according to claim 1, wherein said expansion pipe has a plurality of expansion pipes, and a blocking plate is further provided at an end of the expansion pipe where the first connecting member is provided.
3. The spliced type prestressed anchor rope device according to claim 2, further comprising a third connecting member, wherein said anchor segment cables have a plurality of cables, and two adjacent anchor segment cables are connected by said first connecting member and said third connecting member.
4. The spliced type prestressed anchor rope device according to claim 3, further comprising a fourth connecting member, wherein said plurality of free-segment anchor ropes are connected to each other by said second connecting member and said fourth connecting member.
5. The spliced type prestressed anchor cable device of claim 1, wherein one end of said first connecting member is provided with an internal thread and the other end thereof is provided with an external thread; and internal threads are arranged at two ends of the second connecting piece.
6. The spliced type prestressed anchor cable apparatus of claim 3, wherein both ends of said third connecting member are internally threaded.
7. The spliced type prestressed anchor cable device of claim 4, wherein one end of said fourth connecting member is internally threaded and the other end thereof is externally threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120878138.7U CN214738029U (en) | 2021-04-26 | 2021-04-26 | Spliced prestressed anchor cable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120878138.7U CN214738029U (en) | 2021-04-26 | 2021-04-26 | Spliced prestressed anchor cable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214738029U true CN214738029U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120878138.7U Active CN214738029U (en) | 2021-04-26 | 2021-04-26 | Spliced prestressed anchor cable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214738029U (en) |
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2021
- 2021-04-26 CN CN202120878138.7U patent/CN214738029U/en active Active
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