CN213749373U - Displacement measurement device for anti-pulling of anti-floating anchor rod - Google Patents
Displacement measurement device for anti-pulling of anti-floating anchor rod Download PDFInfo
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- CN213749373U CN213749373U CN202022802329.3U CN202022802329U CN213749373U CN 213749373 U CN213749373 U CN 213749373U CN 202022802329 U CN202022802329 U CN 202022802329U CN 213749373 U CN213749373 U CN 213749373U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 65
- 238000005259 measurement Methods 0.000 title abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a displacement measuring device for anti-pulling of an anti-floating anchor rod, which comprises a screw rod, a bow back, a movable clamp body, a fixed clamp body and a displacement measuring plate, wherein the bow back comprises a first bottom surface, a first side column and a second side column; the first bottom surface is provided with a plurality of second screw holes which are vertical to the horizontal plane where the first bottom surface is located; a fixing clamp body is fixedly arranged on one side of the second side column adjacent to the first side column; the displacement measuring plate is connected with the arch back by screws; the screw rod passes through the first screw hole; one end of the screw rod, which is far away from the second side column movable clamp body, is provided with a handle, and the other end of the screw rod is fixedly connected with the movable clamp body. The utility model relates to a arrange the displacement measurement point in anti-floating anchor rod reinforcing bar lower extreme portion, convenient operation, the practicality is strong, can be true, accurate, measure anti-floating anchor rod resistance to plucking experimental displacement portably.
Description
Technical Field
The utility model belongs to anti-floating anchor anti-pulling test equipment field, in particular to anti-floating anchor displacement measurement device for resistance to plucking.
Background
The anti-floating anchor rod belongs to a tension member, one end of the anti-floating anchor rod is anchored on a building bottom plate, the other end of the anti-floating anchor rod is anchored in a bearing layer of a foundation, and the stress process is to transmit uplift force to grouting body through the action between an anchoring body steel bar and the grouting body; and then the force applied to the grouting body is transferred to the surrounding stable soil body through the friction force between the grouting body and the surrounding soil layer, so that the anti-floating anchor rod with certain uplift resistance is formed, and the anti-floating effect of the anti-floating anchor rod is achieved. At present, in all specifications related to the anchor rod pulling resistance test, no specific requirements are required on the installation of the anchor rod displacement meter, only the accuracy of the displacement meter is required in a general way, and no regulations are provided for the installation of the displacement meter for the arrangement of displacement measuring points.
In the detection of the uplift bearing capacity of the anchor rod, displacement measurement points are roughly arranged in three modes: 1. the displacement measuring points are arranged at the end parts of the steel bars, and the defects are that the end parts of the steel bars are uneven and have small areas, the pointers of a displacement meter are easy to separate, and the free end anchor rod can also extend in the drawing process to cause displacement distortion; 2. the displacement meter is arranged on the anchor rod anti-pulling lock, and the defect is that the anchor rod lock has displacement in the loading process of the jack, so that the actual displacement of the anchor rod is distorted; 3. the displacement measuring platform is welded on the anchor rod, and the defects of time and labor waste, material waste and troublesome operation are overcome; in addition, the former two arrangement modes have higher displacement meter position, difficult erection and poorer stability, and easily cause displacement measurement distortion.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a displacement measuring device for anti-pulling of an anti-floating anchor rod, which comprises a screw rod, a bow back, a movable clamp body, a fixed clamp body and a displacement measuring plate,
the bow back comprises a first bottom surface, a first side column and a second side column, wherein the first bottom surface, the first side column and the second side column are positioned on the same plane;
the first side column is parallel to the second side column;
the first side column is perpendicular to the first bottom surface, and the second side column is perpendicular to the first bottom surface;
the first side column is provided with a first screw hole, the first screw hole penetrates through the first side column from the side face, and the central axis direction of the first screw hole is perpendicular to the long axis direction of the first side column;
the first bottom surface is provided with a plurality of second screw holes which are vertical to the horizontal plane where the first bottom surface is located;
a fixing clamp body is fixedly arranged on one side of the second side column adjacent to the first side column;
the displacement measuring plate is connected with the bow back through a plurality of second screw holes by screws;
the screw rod penetrates through the first screw hole;
and one end of the screw rod, which is far away from the movable clamp body of the second side column, is provided with a handle, and the other end of the screw rod is fixedly connected with the movable clamp body.
Furthermore, the movable clamp body is cylindrical, and the surface of the movable clamp body is polished smoothly.
Furthermore, the screw rod and the movable clamp body are fixedly connected in a welding mode.
Further, the displacement measuring plate is made of a 2mm thick steel plate.
Further, the second side column is fixedly connected with the fixing clamp body in a welding mode.
Further, the fixing clamp body is designed in an arc shape, wherein the arc concave surface is far away from the second side column.
Further, the arc-shaped concave surface of the fixing clamp body is subjected to frosting treatment.
Further, the screw rod surface is provided with the external screw thread, first screw hole is provided with the internal thread, the screw rod can cooperate in first screw hole internal rotation.
The utility model discloses a displacement measurement device is used in anti-floating anchor anti-pulling, arrange the displacement measurement point in anti-floating anchor reinforcing bar lower extreme portion, convenient operation, the practicality is strong, can truly, accurately, measure anti-floating anchor anti-pulling test displacement portably.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
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 creative efforts.
Fig. 1 is a schematic cross-sectional view illustrating a displacement measuring device for anti-pulling of an anti-floating anchor rod according to an embodiment of the present invention;
fig. 2 shows a schematic view of a dorsal cross-section according to an embodiment of the invention;
fig. 3 shows a detailed view of the displacement measuring device for anti-floating anchor rod pulling according to the embodiment of the present invention.
Illustration of the drawings: 1. a screw; 2. the back of the bow; 21. a first bottom surface; 22. a first side pillar; 23. a second side pillar; 24. a first screw hole; 25. a second screw hole; 3. a movable clamp body; 4. fixing the clamp body; 5. a displacement measuring plate; 6. anti-floating anchor rod.
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 are clearly and completely described below with reference to the 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 work belong to the protection scope of the present invention.
The anti-floating anchor rod belongs to a permanent anchor rod, and a main stressed component is a steel bar, so that the arrangement of displacement measurement points also needs to be on the steel bar, but cannot be arranged on an anti-pulling lock of the anti-floating anchor rod. In order to solve the problem that exists among the prior art, the utility model discloses an anti displacement measurement device for pulling out of anti-floating anchor rod, displacement measurement device includes screw rod 1, bow back 2, activity clamp 3, fixed clamp 4 and displacement measurement board 5.
Specifically, the displacement measuring device comprises a screw rod 1, an arch back 2, a movable clamp body 3, a fixed clamp body 4 and a displacement measuring plate 5, and during measurement, an anti-floating anchor rod 6 is positioned between the fixed clamp body 4 and the movable clamp body 3. The bow back 2 comprises a first bottom surface 21, a first side column 22 and a second side column 23, wherein the first bottom surface 21, the first side column 22 and the second side column 23 are in the same plane; the first side column 22 is parallel to the second side column 23; the first side pillar 22 is perpendicular to the first bottom surface 21, and the second side pillar 23 is perpendicular to the first bottom surface 21; the first side column 22 is provided with a first screw hole 24, the first screw hole 24 penetrates through the first side column 22 from the side, and the direction of the first screw hole 24 is perpendicular to the long axis direction of the first side column 22; the first bottom surface 21 is provided with a plurality of second screw holes 25, and the plurality of second screw holes 25 are perpendicular to the horizontal plane of the first bottom surface 21; the fixing clamp body 4 is fixedly arranged on one side of the second side column 23 adjacent to the first side column 22; the displacement measuring plate 5 is connected with the bow back 2 through a plurality of second screw holes 25 by screws; the screw rod 1 passes through the first screw hole 24; and one end of the screw rod 1, which is far away from the movable clamp body 3 of the second side column 23, is provided with a handle, and the other end of the screw rod is fixedly connected with the movable clamp body 3.
Illustratively, as shown in fig. 1, the displacement measuring device comprises a screw rod 1, an arch back 2, a movable clamp body 3, a fixed clamp body 4 and a displacement measuring plate 5, wherein an anti-floating anchor rod 6 is positioned between the fixed clamp body 4 and the movable clamp body 3 during measurement. The bow back 2 comprises a first bottom surface 21, a first side column 22 and a second side column 23, as shown in fig. 2, the first bottom surface 21, the first side column 22 and the second side column 23 are in the same plane; the first side column 22 is parallel to the second side column 23; the first side pillar 22 is perpendicular to the first bottom surface 21, and the second side pillar 23 is perpendicular to the first bottom surface 21. The first side post 22 and the second side post 23 shown in fig. 2 each have a curvature, which makes the first side post 22 and the second side post 23 more resistant to lateral pressure. First side post 22 is provided with first screw hole 24, first screw hole 24 link up in first side post 22 from the side, first screw hole 24 axis direction is perpendicular with first side post 22 major axis direction. The first side post 22 may have a thickness greater than the diameter of the first screw hole 24 and may be drilled laterally above the first side post 22 to form the first screw hole 24, using, but not limited to, the following manner. A member having a first screw hole 24 may be fixedly mounted on the first side pillar 22, as shown in fig. 3, a ring-shaped device is fixedly mounted above the first side pillar 22, and a plane of a cross section of the ring-shaped device is perpendicular to planes of the first bottom surface 21, the first side pillar 22, and the second side pillar 23, as shown in fig. 3. The ring-shaped device is centrally provided with a first screw hole 24. The first bottom surface 21 is provided with a plurality of second screw holes 25, and the plurality of second screw holes 25 are perpendicular to the horizontal plane of the first bottom surface 21; the fixing clamp body 4 is fixedly arranged on one side of the second side column 23 adjacent to the first side column 22; the displacement measuring plate 5 and the bow back 2 are connected by screws through a plurality of the second screw holes 25. Two of the second screw holes 25 are shown in fig. 1. The screw rod 1 passes through the first screw hole 24; and one end of the screw rod 1, which is far away from the movable clamp body 3 of the second side column 23, is provided with a handle, and the other end of the screw rod is fixedly connected with the movable clamp body 3. The operator pushes the screw rod 1 to move at the first screw hole 24 through the handle, so that the movable clamp body 3 is close to or far away from the fixed clamp body 4. The anti-floating anchor rod 6 is positioned between the movable clamp body 3 and the fixed clamp body 4, and preferably, the movable clamp body 3 and the fixed clamp body 4 are positioned at the same horizontal height.
Specifically, the movable clamp body 3 is cylindrical. The screw rod 1 and the movable clamp body 3 are fixedly connected in a welding mode. The displacement measuring plate 5 is made of a steel plate with the thickness of 2 mm. The second side column 23 and the fixing clamp body 4 are fixedly connected by welding. The fixing clamp body 4 is designed in an arc shape, wherein the concave surface of the arc shape is far away from the second side column 23. The arc-shaped concave surface of the fixing clamp body 4 is subjected to frosting treatment.
Illustratively, the movable clamp body 3 and the fixed clamp body 4 are used for clamping the anti-floating anchor rod 6. The movable clamp body 3 is cylindrical, and preferably, the bottom surface of one side, away from the screw rod 1, of the movable clamp body 3 is polished smoothly. The fixing clamp body 4 is designed to be arc-shaped, wherein the arc-shaped concave surface is far away from the second side column 23, as shown in fig. 3, the fixing clamp body 4 is designed to be arc-shaped, and the surface of the arc-shaped concave surface is subjected to frosting treatment, so that the fixing clamp body 4 has more friction force when clamping the anti-floating anchor rod 6. The displacement measuring plate 5 is made of a steel plate 2mm thick. The 2mm thick steel plate is the most common equipment in building site, and operating personnel obtains the raw materials at the scene very easily and makes displacement measurement device, and the 2mm thick steel plate has certain rigidity and weight is less, and such design can realize under the normal displacement measurement's the condition, guarantees the stability after the device installation.
The outer surface of the screw rod 1 is provided with an external thread, the first screw hole 24 is provided with an internal thread, and the screw rod 1 can be matched with the first screw hole 24 to rotate.
Illustratively, the outer surface of the screw rod 1 is provided with threads, the first screw hole 24 is provided with internal threads, and the screw rod 1 can be matched in the first screw hole 24 to rotate. The operating personnel passes through the screw rod 1 handle, can be relatively light install the device on anti-floating anchor 6 to light take off from anti-floating anchor 6.
Utilize with following mode the utility model discloses an anti-floating anchor rod is measured to designed displacement measurement device.
The anti-floating anchor rod 6 is arranged between the movable clamp body 3 and the fixed clamp body 4, the screw 1 is screwed in, so that the movable clamp body 3 and the fixed clamp body 4 clamp the anti-floating anchor rod 6, and the displacement measuring device is fixed on the anti-floating anchor rod 6. During the resistance to plucking test, install the displacement meter pointer on displacement measurement board 5, can measure anti-floating anchor 6 displacement.
The utility model aims at providing an anti displacement measurement device for anti-floating anchor is pulled out arranges the displacement measurement point in anti-floating anchor reinforcing bar tip down, provides help for true, accurate, measure anti-floating anchor anti-pulling out experimental displacement portably. The utility model discloses simple structure easily makes, convenient operation, and the practicality is strong.
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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A displacement measuring device for anti-pulling of an anti-floating anchor rod is characterized by comprising a screw rod (1), an arch back (2), a movable clamp body (3), a fixed clamp body (4) and a displacement measuring plate (5),
the bow back (2) comprises a first bottom surface (21), a first side column (22) and a second side column (23), and the first bottom surface (21), the first side column (22) and the second side column (23) are positioned on the same plane;
the first side pillar (22) is parallel to the second side pillar (23);
the first side pillar (22) is perpendicular to the first bottom surface (21), and the second side pillar (23) is perpendicular to the first bottom surface (21);
the first side column (22) is provided with a first screw hole (24), the first screw hole (24) penetrates through the first side column (22) from the side face, and the central axis direction of the first screw hole (24) is perpendicular to the long axis direction of the first side column (22);
the first bottom surface (21) is provided with a plurality of second screw holes (25), and the second screw holes (25) are vertical to the horizontal plane where the first bottom surface (21) is located;
a fixed clamp body (4) is fixedly arranged on one side of the second side column (23) adjacent to the first side column (22);
the displacement measuring plate (5) is connected with the bow back (2) through a plurality of second screw holes (25) by screws;
the screw (1) passes through the first screw hole (24);
one end of the screw rod (1), which is far away from the movable clamp body (3) of the second side column (23), is provided with a handle, and the other end of the screw rod is fixedly connected with the movable clamp body (3).
2. Displacement measuring device according to claim 1,
the movable clamp body (3) is cylindrical, and the surface of the movable clamp body is polished smoothly.
3. Displacement measuring device according to claim 1 or 2,
the screw rod (1) is fixedly connected with the movable clamp body (3) in a welding mode.
4. Displacement measuring device according to claim 1,
the displacement measuring plate (5) is made of a steel plate with the thickness of 2 mm.
5. Displacement measuring device according to claim 1,
the second side column (23) and the fixed clamp body (4) are fixedly connected in a welding mode.
6. Displacement measuring device according to claim 5,
the fixing clamp body (4) is designed in an arc shape, wherein the arc concave surface is far away from the second side column (23).
7. Displacement measuring device according to claim 6,
the arc-shaped concave surface of the fixing clamp body (4) is subjected to frosting treatment.
8. Displacement measuring device according to claim 1,
the outer surface of the screw rod (1) is provided with an external thread, the first screw hole (24) is provided with an internal thread, and the screw rod (1) can be matched with the first screw hole (24) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802329.3U CN213749373U (en) | 2020-11-27 | 2020-11-27 | Displacement measurement device for anti-pulling of anti-floating anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022802329.3U CN213749373U (en) | 2020-11-27 | 2020-11-27 | Displacement measurement device for anti-pulling of anti-floating anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213749373U true CN213749373U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022802329.3U Active CN213749373U (en) | 2020-11-27 | 2020-11-27 | Displacement measurement device for anti-pulling of anti-floating anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213749373U (en) |
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2020
- 2020-11-27 CN CN202022802329.3U patent/CN213749373U/en active Active
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Address after: 243000 No. 528, middle section of Tianmen Avenue, Yushan District, Ma'anshan City, Anhui Province Patentee after: MCC Testing and Certification (Anhui) Co.,Ltd. Address before: 243061 No.528, middle section of Tianmen Avenue, Yushan District, Ma'anshan City, Anhui Province Patentee before: MAANSHAN MCC17 ENGINEERING SCIENCE & TECHNOLOGY Co.,Ltd. |