CN210459322U - Anchor cable extension device for anchor cable anti-pulling detection - Google Patents
Anchor cable extension device for anchor cable anti-pulling detection Download PDFInfo
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- CN210459322U CN210459322U CN201920788455.2U CN201920788455U CN210459322U CN 210459322 U CN210459322 U CN 210459322U CN 201920788455 U CN201920788455 U CN 201920788455U CN 210459322 U CN210459322 U CN 210459322U
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000008676 import Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model discloses an anchor cable extension device for the anti-pulling detection of an anchor cable, which comprises an anchor head, an anchor seat and a tail rod; the anchor head is arranged at the front end of the anchor seat, and the tail rod is arranged at the rear end of the anchor seat; during detection, the anchor head clamps the anchor cable to be detected, and the tail rod is clamped and pulled by the anchor cable pulling resistance detector, so that the device effectively reduces economic and time losses caused by reworking; the anchor cable pulling-resistant detector is small in size and can be put into a tool box of the anchor cable pulling-resistant detector for carrying; the operation is simple, and the preparation process can be completed within a few minutes.
Description
Technical Field
The utility model relates to an engineering safety inspection technical field, concretely relates to anchor rope extension fixture for anchor rope resistance to plucking detects uses with the cooperation of anchor rope resistance to plucking detector.
Background
In the projects of slope support, tunnel excavation, underground mineral excavation and the like, anchor cables are often used for reinforcing the slope and the gallery. Drilling a side slope or a tunnel wall needing to be reinforced until a rock layer is drilled, then installing an anchor cable, grouting and reinforcing the side slope or the tunnel wall, and stretching the anchor cable and sealing and fixing after grouting and solidification. In order to guarantee the quality of the anchor cable reinforcing engineering, the pulling resistance of the anchor cable is detected according to the national engineering specification.
At present, the common anchor cable anti-pulling detection mode is mainly to use an anti-pulling detector for detection. The uplift detector is used for occluding the anchor cable through a common anchor, then the oil jack is used for pushing the anchor outwards, and meanwhile, relevant data are detected through the instrument. This detection method requires that the anchor cable to be detected be reserved for a sufficient length. However, various accidents are often encountered on the construction site, for example, the reserved anchor cable is too short or the reserved anchor cable is cut off, the required length is not achieved, the rework cost is very high, and the test for detecting the stress under the anchor of some old foundation pits or side slopes is difficult to complete.
Disclosure of Invention
In view of the above, the utility model provides an anchor rope extension fixture for anchor rope resistance to plucking detects, in the anchor rope detects, the device can play the effect of extension anchor rope.
An anchor cable extension device for detecting pulling resistance of an anchor cable comprises an anchor head, an anchor seat and a tail rod;
the anchor head is arranged at the front end of the anchor seat, the tail rod is arranged at the rear end of the anchor seat, the tail rod and the anchor seat are coaxially arranged, and the anchor head is provided with a clamping mechanism;
when the anchor cable pulling force is detected, the clamping mechanism clamps the anchor cable to be detected, the tail rod is clamped and pulled by the anchor cable pulling resistance detector, the tail rod transmits the pulling force to the anchor head, and the anchor head pulls the anchor cable to be detected.
Preferably, the anchor seat comprises a front connecting pipe, a rear connecting pipe and a solid circular truncated cone which are coaxial and integrally arranged;
the large circular surface of the solid circular table extends out of the front connecting pipe forwards, and the front end of the front connecting pipe is connected with the anchor head;
the small circle of the solid round platform extends backwards out of the rear connecting pipe, and the rear end of the rear connecting pipe is connected with the tail rod.
Preferably, the anchor head extends backwards out of the screw rod, and a first external thread is arranged on the periphery of the screw rod;
the inner wall of the front connecting pipe is provided with a first internal thread, and the screw rod is fixed with the front connecting pipe through the first external thread and the first internal thread in a threaded connection mode.
Preferably, the anchor head further comprises an anchor ring, a face plate and a bottom plate;
the anchor ring is annular, the panel is arranged on the front end face of the anchor ring, the bottom plate is arranged on the rear end face of the anchor ring, and the anchor ring, the panel and the bottom plate form a ring body with a cavity inside;
the clamping mechanism is arranged in the inner cavity of the circular ring body;
the rear part of the bottom plate is connected with the screw rod.
Preferably, the clamping mechanism comprises an anchor cable inlet, a slideway and a clamping piece;
the front end of the slideway is communicated with the anchor cable inlet, and the clamping piece is arranged in the slideway;
when detecting, the anchor rope that will wait to detect stretches into the slide from the anchor rope import, and the anchor rope that rethread clamping piece will wait to detect is tight, and the clamping piece volume is bigger than the anchor rope import, can't pass through the anchor rope import along the slide.
Preferably, the clamping piece comprises a first wedge-shaped arc piece, a second wedge-shaped arc piece and a third wedge-shaped arc piece;
the first wedge-shaped arc piece, the second wedge-shaped arc piece and the third wedge-shaped arc piece are distributed in a circumferential array;
the middle parts of the first wedge-shaped arc piece, the second wedge-shaped arc piece and the third wedge-shaped arc piece form a cylindrical through hole for clamping an anchor cable to be detected;
the first wedge-shaped arc piece, the second wedge-shaped arc piece and the third wedge-shaped arc piece are the same in shape;
the combination of the anchor cable inlet and the slideway forms a circular table hole coaxial with the clamping piece, the anchor cable inlet is a small circular surface of the circular table hole, and the bottom of the slideway is a large circular surface of the circular table hole;
the clamping piece is arranged in the slideway in a sliding way;
during detection, the anchor cable to be detected extends into the slide way through the anchor cable inlet and continues to extend into the clamping piece to push the clamping piece to be far away from the anchor cable inlet, and the slide way and the clamping piece are horn-shaped, so that the first wedge-shaped arc piece, the second wedge-shaped arc piece and the third wedge-shaped arc piece are scattered after the clamping piece is far away from the anchor cable inlet, and the anchor cable to be detected enters the cylindrical through hole;
when the first wedge-shaped arc piece, the second wedge-shaped arc piece and the third wedge-shaped arc piece clamp the anchor cable to be detected to slide along the slide way towards the anchor cable inlet direction, the first wedge-shaped arc piece, the second wedge-shaped arc piece and the third wedge-shaped arc piece are contracted and combined, and the anchor cable to be detected is clamped through the cylindrical through hole.
Preferably, the circumferential side wall of the cylindrical through hole is provided with anti-slip lines for increasing the clamping force of the anchor cable to be detected.
Preferably, the clamping mechanism further comprises a push spring;
one end of the propelling spring is arranged at the front part of the bottom plate, the other end of the propelling spring is propped against the rear end of the clamping piece, and the propelling spring is used for driving the clamping piece to slide towards the inlet direction of the anchor cable.
Preferably, the number of clamping mechanisms is at least 1;
when detecting a plurality of strands of anchor cables to be detected, each strand of anchor cable to be detected enters 1 slideway through 1 anchor cable inlet respectively and is clamped by 1 group of clamping pieces, and each group of clamping pieces is provided with 1 propelling spring for providing thrust;
it can also be arranged that 1 pushing spring provides pushing force for multiple sets of clips.
Preferably, the outer periphery of the front part of the tail rod is provided with a second external thread, the inner wall of the rear connecting pipe is provided with a second internal thread, and the tail rod is fixedly connected with the rear connecting pipe through the second external thread and the second internal thread.
The utility model has the advantages that: in the process of detecting the anchor cable, the device can play a role of prolonging the anchor cable, so that economic and time losses caused by reworking are effectively reduced; the anchor cable pulling-resistant detector is small in size and can be put into a tool box of the anchor cable pulling-resistant detector for carrying; the operation is simple, and the preparation process can be completed within a few minutes.
Drawings
The anchor cable extension device for the pull-out resistance detection of the anchor cable of the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is the utility model relates to an anchor rope extension fixture and anchor rope resistance to plucking detector's cooperation schematic diagram for anchor rope resistance to plucking detects.
Fig. 2 is an outline view of the anchor cable extension device for anchor cable pulling resistance detection of the present invention.
Fig. 3 is the utility model relates to an anchor head structural sketch of anchor rope extension fixture for anchor rope resistance to plucking detects.
Fig. 4 is an assembly view of anchor ring, panel and bottom plate in anchor rope for anchor rope resistance to plucking detection of the utility model.
Fig. 5 is a right side view of the clip of the anchor cable extension device for anchor cable pull-out detection of the present invention.
Fig. 6 is a schematic view of a first wedge-shaped arc piece of an anchor cable extension device for detecting pulling resistance of an anchor cable according to the present invention.
In the figure:
1-anchor head, 11-screw rod, 2-anchor seat, 21-front connecting pipe, 22-rear connecting pipe, 23-solid circular table, 3-tail rod, 4-clamping mechanism, 41-anchor rope inlet, 42-slideway, 43-clamping piece, 430-cylindrical through hole, 431-first wedge-shaped arc piece, 432-second wedge-shaped arc piece, 433-third wedge-shaped arc piece, 434-anti-slip pattern, 44-propelling spring, 5-anchor ring, 6-panel, 7-bottom plate, 01-anchor rope to be detected, and 02-anchor rope pulling resistance detector.
Detailed Description
The following description will be further made with reference to fig. 1 to 6 for an anchor cable extension device for anchor cable pulling resistance detection of the present invention.
An anchor cable extension device for detecting pulling resistance of an anchor cable comprises an anchor head 1, an anchor seat 2 and a tail rod 3;
the anchor head 1 is arranged at the front end of the anchor base 2, the tail rod 3 is arranged at the rear end of the anchor base 2, the tail rod 3 and the anchor base 2 are coaxially arranged, and the anchor head 1 is provided with a clamping mechanism 4;
when detecting, clamping mechanism 4 presss from both sides tight anchor rope 01 that awaits measuring, and after tail-stock 3 was pressed from both sides tight and the pull-out by anchor rope resistance to plucking detector 02, tail-stock 3 will receive the pull-out power transmission for anchor head 1, and anchor head 1 draws anchor rope 01 that awaits measuring.
In this embodiment, the anchor base 2 includes a front connecting pipe 21, a rear connecting pipe 22 and a solid circular truncated cone 23 which are coaxially and integrally arranged;
the big circular surface of the solid circular table 23 extends forwards to form a front connecting pipe 21, and the front end of the front connecting pipe 21 is connected with the anchor head 1;
the small circle surface of the solid circular truncated cone 23 extends backwards out of the rear connecting pipe 22, and the rear end of the rear connecting pipe 22 is connected with the tail rod 3.
In the embodiment, the anchor head 1 extends backwards out of the screw rod 11, and the periphery of the screw rod 11 is provided with a first external thread;
the inner wall of the front connecting pipe 21 is provided with a first internal thread, and the screw rod 11 and the front connecting pipe 21 are fixed through the first external thread and the first internal thread in a threaded manner.
In this embodiment, the anchor head 1 further comprises an anchor ring 5, a face plate 6 and a bottom plate 7;
the anchor ring 5 is annular, the panel 6 is arranged on the front end face of the anchor ring 5, the bottom plate 7 is arranged on the rear end face of the anchor ring 5, and the anchor ring 5, the panel 6 and the bottom plate 7 form a circular ring body with a cavity inside;
the clamping mechanism 4 is arranged in the inner cavity of the circular ring body;
the rear part of the bottom plate 7 is connected with a screw 11.
In this embodiment, the clamping mechanism 4 includes an anchor cable inlet 41, a slideway 42 and a clamping piece 43;
the anchor cable inlet 41 is a through hole arranged on the panel 6, the front end of the slide way 42 is communicated with the anchor cable inlet 41, and the clamping piece 43 is arranged in the slide way 42;
when detecting, the anchor cable 01 to be detected extends into the slide way 42 from the anchor cable inlet 41, and then the anchor cable 01 to be detected is clamped tightly by the clamping piece 43, wherein the clamping piece 43 has a larger volume than the anchor cable inlet 41 and cannot pass through the anchor cable inlet 41 along the slide way 42.
In this embodiment, the clip 43 includes a first wedge-shaped arc 431, a second wedge-shaped arc 432, and a third wedge-shaped arc 433;
the first wedge-shaped arc piece 431, the second wedge-shaped arc piece 432 and the third wedge-shaped arc piece 433 are distributed in a circumferential array;
the middle parts of the first wedge-shaped arc piece 431, the second wedge-shaped arc piece 432 and the third wedge-shaped arc piece 433 form a cylindrical through hole 430 for clamping the anchor cable 01 to be detected;
the first wedge-shaped arc piece 431, the second wedge-shaped arc piece 432 and the third wedge-shaped arc piece 433 are the same in shape;
the combination of the anchor cable inlet 41 and the slideway 42 forms a circular truncated cone hole coaxial with the clamping piece 43, the anchor cable inlet 41 is a small circular surface of the circular truncated cone hole, and the bottom of the slideway 42 is a large circular surface of the circular truncated cone hole;
the clamping piece 43 is arranged in the slideway 42 in a sliding way;
during detection, the anchor cable 01 to be detected extends into the slide way 42 through the anchor cable inlet 41, and continues to extend into the pushing clamping piece 43 to be far away from the anchor cable inlet 41, and because the slide way 42 and the clamping piece 43 are horn-shaped, after the clamping piece 43 is far away from the anchor cable inlet 41, the first wedge-shaped arc piece 431, the second wedge-shaped arc piece 432 and the third wedge-shaped arc piece 433 are scattered, so that the anchor cable 01 to be detected enters the cylindrical through hole 430;
when the anchor cable 01 to be detected is clamped by the first wedge-shaped arc piece 431, the second wedge-shaped arc piece 432 and the third wedge-shaped arc piece 433 to slide along the slide way 42 towards the anchor cable inlet 41, the first wedge-shaped arc piece 431, the second wedge-shaped arc piece 432 and the third wedge-shaped arc piece 433 contract and are combined, and the anchor cable 01 to be detected is clamped through the cylindrical through hole 430.
In this embodiment, the circumferential side wall of the cylindrical through hole 430 is provided with anti-slip threads 434 for increasing the clamping force of the anchor cable 01 to be detected.
In this embodiment, the clamping mechanism 4 further includes an urging spring 44;
one end of the pushing spring 44 is disposed at the front portion of the bottom plate 7, the other end of the pushing spring 44 abuts against the rear end of the clamping piece 43, and the pushing spring 44 is used for driving the clamping piece 43 to slide towards the cable inlet 41.
In this embodiment, the number of the clamping mechanisms 4 is at least 1;
when detecting the anchor cables 01 to be detected which are woven into a plurality of strands, each anchor cable 01 to be detected enters 1 slideway 42 through 1 anchor cable inlet 41 respectively, and then is clamped by 1 group of clamping pieces 43, and each group of clamping pieces 43 is provided with 1 propelling spring 44 for providing thrust;
it is also possible to arrange that 1 urging spring 44 provides the urging force for the plurality of sets of clips 43.
In this embodiment, a second external thread is disposed on the outer periphery of the front portion of the tail rod 3, a second internal thread is disposed on the inner wall of the rear connecting pipe 22, and the tail rod 3 is fixedly connected to the rear connecting pipe (22) through the second external thread and the second internal thread.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. An anchor cable extension device for anchor cable pulling resistance detection is characterized by comprising an anchor head (1), an anchor seat (2) and a tail rod (3);
the anchor head (1) is arranged at the front end of the anchor seat (2), the tail rod (3) is arranged at the rear end of the anchor seat (2), the tail rod (3) and the anchor seat (2) are coaxially arranged, and the anchor head (1) is provided with a clamping mechanism (4);
when the anchor cable pulling device is used for detecting, the clamping mechanism (4) clamps the anchor cable (01) to be detected, the tail rod (3) is clamped and pulled by the anchor cable pulling resistance detector (02), the tail rod (3) transmits the pulling force to the anchor head (1), and the anchor head (1) pulls the anchor cable (01) to be detected.
2. The cable bolt extension device according to claim 1, wherein the anchor base (2) comprises a front connection tube (21), a rear connection tube (22) and a solid circular truncated cone (23) which are coaxially and integrally arranged;
the large circular surface of the solid circular table (23) extends forwards out of the front connecting pipe (21), and the front end of the front connecting pipe (21) is connected with the anchor head (1);
the small circle of solid round platform (23) stretches out backward back connecting pipe (22), the rear end of back connecting pipe (22) with tail-stock (3) are connected.
3. The cable bolt extension arrangement as claimed in claim 2, wherein the anchor head (1) extends rearwardly beyond the shank (11), the shank (11) being provided with a first external thread on its periphery;
the inner wall of the front connecting pipe (21) is provided with a first internal thread, and the screw rod (11) and the front connecting pipe (21) are fixed through the first external thread and the first internal thread in a threaded manner.
4. A cable bolt extension device as claimed in claim 3, wherein the anchor head (1) further comprises an anchor ring (5), a face plate (6) and a base plate (7);
the anchor ring (5) is annular, the panel (6) is arranged on the front end face of the anchor ring (5), the bottom plate (7) is arranged on the rear end face of the anchor ring (5), and the anchor ring (5), the panel (6) and the bottom plate (7) form a ring body with a cavity inside;
the clamping mechanism (4) is arranged in an inner cavity of the annular ring body;
the rear part of the bottom plate (7) is connected with the screw rod (11).
5. The cable bolt extension assembly of claim 4, wherein the clamping mechanism (4) further comprises a cable bolt entry port (41), a slide way (42) and a clip (43);
the anchor cable inlet (41) is a through hole formed in the panel (6), the front end of the slide way (42) is communicated with the anchor cable inlet (41), and the clamping piece (43) is arranged in the slide way (42).
6. The cable bolt extension arrangement of claim 5, wherein the clip (43) comprises a first wedge arc (431), a second wedge arc (432) and a third wedge arc (433);
the first wedge-shaped arc piece (431), the second wedge-shaped arc piece (432) and the third wedge-shaped arc piece (433) are distributed in a circumferential array;
the middle parts of the first wedge-shaped arc piece (431), the second wedge-shaped arc piece (432) and the third wedge-shaped arc piece (433) form a cylindrical through hole (430), and the first wedge-shaped arc piece (431), the second wedge-shaped arc piece (432) and the third wedge-shaped arc piece (433) are the same in shape;
the combination of the anchor cable inlet (41) and the slideway (42) forms a circular truncated cone hole coaxial with the clamping piece (43), the anchor cable inlet (41) is a small circular surface of the circular truncated cone hole, and the bottom of the slideway (42) is a large circular surface of the circular truncated cone hole;
the clamping piece (43) is slidably arranged in the slideway (42).
7. The cable bolt extension means of claim 6, wherein the circumferential side wall of the cylindrical bore (430) is provided with anti-slip threads (434).
8. The cable bolt extension assembly of claim 7, wherein the clamping mechanism (4) further comprises a push spring (44);
one end of the pushing spring (44) is arranged at the front part of the bottom plate (7), and the other end of the pushing spring (44) abuts against the rear end of the clamping piece (43).
9. An anchor cable extension device as claimed in any one of claims 5 to 8, wherein the number of clamping means (4) is at least 1.
10. The cable bolt extension device according to claim 2, wherein the tail rod (3) is provided with a second external thread on the outer periphery of the front portion thereof, the inner wall of the rear joint pipe (22) is provided with a second internal thread, and the tail rod (3) is fixedly connected with the rear joint pipe (22) through the second external thread and the second internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788455.2U CN210459322U (en) | 2019-05-28 | 2019-05-28 | Anchor cable extension device for anchor cable anti-pulling detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788455.2U CN210459322U (en) | 2019-05-28 | 2019-05-28 | Anchor cable extension device for anchor cable anti-pulling detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210459322U true CN210459322U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920788455.2U Expired - Fee Related CN210459322U (en) | 2019-05-28 | 2019-05-28 | Anchor cable extension device for anchor cable anti-pulling detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210459322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486538A (en) * | 2022-04-02 | 2022-05-13 | 深圳市盛业建筑科技(集团)有限公司 | Anti-pulling test measuring device for foundation pit anchor rod |
-
2019
- 2019-05-28 CN CN201920788455.2U patent/CN210459322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486538A (en) * | 2022-04-02 | 2022-05-13 | 深圳市盛业建筑科技(集团)有限公司 | Anti-pulling test measuring device for foundation pit anchor rod |
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Granted publication date: 20200505 |