CN220819366U - Anchor plate performance testing device - Google Patents
Anchor plate performance testing device Download PDFInfo
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- CN220819366U CN220819366U CN202322077893.7U CN202322077893U CN220819366U CN 220819366 U CN220819366 U CN 220819366U CN 202322077893 U CN202322077893 U CN 202322077893U CN 220819366 U CN220819366 U CN 220819366U
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- groove
- anchor plate
- supporting
- test piece
- displacement
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 claims abstract description 57
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000011056 performance test Methods 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to an anchor plate performance testing device which comprises a pedestal, a supporting mechanism and displacement meters, wherein a central groove is vertically formed in the middle of the pedestal, a supporting groove is formed in the top of the pedestal in a sinking mode, the supporting groove is communicated with the central groove, the notch of the supporting groove is larger than that of the central groove, the notch of the supporting groove is matched with the diameter of an anchor plate test piece so as to enable the anchor plate test piece to be arranged in the supporting groove, the supporting mechanism is vertically arranged in the central groove, at least two displacement meters are arranged on the supporting mechanism, the top of each displacement meter is in contact with the bottom of the anchor plate test piece, and displacement values around the bottom center of the anchor plate test piece and the bottom center of the anchor plate test piece are measured. The beneficial effects of the utility model are as follows: the device is simple in structure, the anchor plate test piece is placed in the supporting groove to carry out loading experiments on the anchor plate test piece, and the experimental result is accurate through displacement meter measurement.
Description
Technical Field
The utility model relates to the technical field of anchor plate detection, in particular to an anchor plate performance testing device.
Background
The anchor plate refers to a permanent anchoring device used in prestressed concrete, and is an anchoring tool for ensuring the tension of the prestressed tendons and transmitting the tension to the interior of the concrete. To ensure reliability of the anchor plate in practical engineering applications, the residual deflection performance of the anchor plate is usually tested before use.
However, the measuring device for measuring the residual deflection of the anchor plate is lacking at present, a measuring platform needs to be built before actual measurement, time is consumed, and the measuring accuracy is not high.
Disclosure of utility model
The utility model aims to solve the technical problem of researching an anchor plate performance testing device, and can measure the residual deflection of an anchor plate.
The technical scheme for solving the technical problems is as follows:
The utility model provides an anchor slab performance testing arrangement, including the pedestal, supporting mechanism and displacement meter, the center groove has been vertically seted up at the pedestal middle part, the pedestal top subsidence is equipped with the supporting groove, the supporting groove is linked together with the center groove, the notch of supporting groove is greater than the notch of center groove, and the notch of supporting groove and the diameter assorted of anchor slab test piece, with the anchor slab test piece setting in the supporting inslot, the vertical supporting mechanism that is provided with in the center inslot, be provided with two at least displacement meters on the supporting mechanism, every displacement meter top and anchor slab test piece bottom contact, with the displacement value around measuring anchor slab test piece bottom center and the anchor slab test piece bottom center.
The beneficial effects of the utility model are as follows: the test experiment procedure is as follows: placing an anchor plate test piece on a supporting groove, placing a conical plug in each conical groove of the anchor plate test piece, then applying a load to the upper part of the anchor plate test piece, gradually pressing the conical plug into the conical groove under the action of the load, unloading the anchor plate test piece after the load reaches 0.95F ptk (the standard tensile strength value of a prestress rib), and respectively recording displacement values of the bottom center of the anchor plate test piece and the periphery of the bottom center of the anchor plate test piece by the displacement values, wherein the difference value of the two is the residual deflection of the anchor plate test piece. The device is simple in structure, the anchor plate test piece is placed in the supporting groove to carry out loading experiments on the anchor plate test piece, and the experimental result is accurate through displacement meter measurement.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, supporting mechanism includes supporting component and connecting plate, and the displacement meter sets up on the connecting plate, and supporting component includes bottom plate and pole setting, and the bottom plate is located the centre tank bottom, vertical fixedly connected with pole setting on the bottom plate, and the pole setting upper end passes through bolt and connecting plate detachable connection.
Further, a connecting seat is arranged outside the connecting part of the bottom end of the vertical rod and the bottom plate.
Further, three placing grooves are arranged on the connecting plate at intervals along the straight line direction, the placing grooves located at the center are coaxial with the supporting grooves, the placing grooves located at the two sides are symmetrical relative to the placing grooves at the center, the displacement is three, and a displacement meter is arranged in each placing groove.
Further, the displacement meter comprises a column body, a connecting piece and a displacement needle, wherein the connecting piece is arranged on the column body, the displacement needle is arranged on the connecting piece, and the displacement needle is electrically connected with the outside; and screws are connected in each placing groove in a threaded manner, and are connected with threaded holes in the columns in a threaded manner so as to fix the displacement meter in the placing groove.
Further, a vertical groove is formed in one side of the bottom of the central groove, and penetrates through the inner wall of the pedestal.
Drawings
FIG. 1 is a schematic diagram of an anchor plate performance test device according to the present utility model;
FIG. 2 is a schematic diagram of a first configuration of an anchor plate performance test device according to the present utility model;
FIG. 3 is a cross-sectional view of a portion of the structure of FIG. 1 of an anchor plate performance test apparatus according to the present utility model;
FIG. 4 is a schematic diagram of a second configuration of an anchor plate performance test device according to the present utility model;
FIG. 5 is a schematic view of a third configuration of an anchor plate performance test device according to the present utility model;
FIG. 6 is a schematic view of another embodiment of a stand for an anchor plate performance test device according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. The device comprises a pedestal, 11, a supporting groove, 12, a central groove, 13, a vertical groove, 2, a supporting mechanism, 21, a supporting component, 211, a bottom plate, 212, a connecting seat, 213, a vertical rod, 214, a bolt, 22, a connecting plate, 221, a placing groove, 222, a screw, 3, a displacement meter, 31, a cylinder, 311, a threaded hole, 32, a connecting piece, 33, a displacement needle, 4, an anchor plate test piece, 41, a conical groove, 42, a conical plug, 43 and a gasket.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1 to 5, an anchor plate performance test device according to embodiment 1 of the present utility model includes a pedestal 1, a supporting mechanism 2 and displacement meters 3, a central groove 12 is vertically formed in the middle of the pedestal 1, a supporting groove 11 is formed in the top of the pedestal 1 in a sinking manner, the supporting groove 11 is communicated with the central groove 12, the notch of the supporting groove 11 is larger than the notch of the central groove 12, the notch of the supporting groove 11 is matched with the diameter of an anchor plate test piece 4 so as to set the anchor plate test piece 4 in the supporting groove 11, the supporting mechanism 2 is vertically arranged in the central groove 12, at least two displacement meters 3 are arranged on the supporting mechanism 2, and the top of each displacement meter 3 is in contact with the bottom of the anchor plate test piece 4 so as to measure displacement values around the bottom center of the anchor plate test piece 4 and the bottom center of the anchor plate test piece 4.
The test experiment procedure is as follows: placing the anchor plate test piece 4 on the supporting groove 11, placing a conical plug 42 in each conical groove 41 of the anchor plate test piece 4, then applying load to the upper part of the anchor plate test piece 4, gradually pressing the conical plug 42 into the conical grooves 41 under the action of the load, deforming the anchor plate test piece 4, unloading after the load reaches 0.95F ptk, and respectively recording displacement values of the bottom center of the anchor plate test piece 4 and the periphery of the bottom center of the anchor plate test piece 4 by the displacement meter 3, wherein the difference value of the displacement values is the residual deflection of the anchor plate test piece 4. The gasket 43 can disperse the load of external pressure to the tapered plug 42 and the tapered groove 41, preventing the tapered plug 42 from cracking; the device is simple in structure, the anchor plate test piece 4 is placed in the supporting groove 11 to carry out loading experiments on the anchor plate test piece 4, and the experimental results are accurate through measurement of the displacement meter 3. In the concrete implementation, the loading speed is not more than 200MPa/min, the accuracy of the displacement meter is not lower than 0.4 level, and the uncertainty of the force measuring system is not more than 1%. The pedestal 1 may have a prismatic shape as shown in fig. 6.
According to the anchor plate performance testing device disclosed by the embodiment 2 of the utility model, on the basis of the embodiment 1, the supporting mechanism 2 comprises the supporting component 21 and the connecting plate 22, the displacement meter 3 is arranged on the connecting plate 22, the supporting component 21 comprises the bottom plate 211 and the upright rod 213, the bottom plate 211 is positioned at the bottom of the central groove 12, the upright rod 213 is vertically and fixedly connected to the bottom plate 211, and the upper end of the upright rod 213 is detachably connected with the connecting plate 22 through the bolt 214. The upright rod 213 is detachably connected with the connecting plate 22 through the bolt 214, so that the connection is firm and the disassembly is convenient.
In the anchor plate performance test device according to embodiment 3 of the present utility model, on the basis of embodiment 2, a connection seat 212 is disposed outside the connection portion between the bottom end of the upright rod 213 and the bottom plate 211. The connecting base 212 can strengthen the connection strength between the upright 213 and the bottom 211, and improve the overall rigidity between the upright 213 and the bottom 211.
According to the anchor plate performance testing device of the embodiment 4, on the basis of the embodiment 2, three placing grooves 221 are arranged on the connecting plate 22 at intervals along the linear direction, the placing grooves 221 positioned at the center are coaxial with the supporting groove 11, the placing grooves 221 positioned at the two sides are symmetrical relative to the placing grooves 221 positioned at the center, the number of the displacement meters 3 is three, and one displacement meter 3 is arranged in each placing groove 221. The displacement values around the bottom center of the anchor plate test piece 4 are measured through the two displacement meters 3, the displacement values around the bottom center of the anchor plate test piece 4 are represented through the average value, and the accuracy of the residual deflection of the anchor plate test piece 4 is improved.
According to the anchor plate performance testing device disclosed by the embodiment 5 of the utility model, on the basis of the embodiment 4, the displacement meter 3 comprises a column 31, a connecting piece 32 and a displacement needle 33, wherein the connecting piece 32 is arranged on the column 31, the displacement needle 33 is arranged on the connecting piece 32, and the displacement needle 33 is electrically connected with the outside; a screw 222 is screwed into each of the placement grooves 221, and the screw 222 is screwed into a screw hole 311 formed in the column 31 to fix the displacement meter 3 into the placement groove 221. The displacement meter 3 can be flexibly disassembled and assembled, the number of the displacement meters 3 is reasonably set according to experimental requirements, and the position of the displacement needle 33 can be adjusted through the screw 222.
According to the anchor plate performance testing device disclosed by the embodiment 6 of the utility model, on the basis of the embodiment 5, one side of the bottom of the central groove 12 is provided with the vertical groove 13, and the vertical groove 13 penetrates through the inner wall of the pedestal 1. The state of the upright 213 can be observed through the upright 13, and the test should be stopped when the upright 213 is inclined.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The utility model provides an anchor slab capability test device, its characterized in that, including pedestal (1), supporting mechanism (2) and displacement meter (3), center groove (12) have been seted up vertically in pedestal (1) middle part, pedestal (1) top subsidence is equipped with supporting groove (11), supporting groove (11) with center groove (12) are linked together, the notch of supporting groove (11) is greater than the notch of center groove (12), just the notch of supporting groove (11) and the diameter assorted of anchor slab test piece (4), in order to with anchor slab test piece (4) set up in supporting groove (11), vertical being provided with in center groove (12) supporting mechanism (2), be provided with at least two on supporting mechanism (2) displacement meter (3), every displacement meter (3) top with anchor slab test piece (4) bottom center with the displacement value around the anchor slab test piece (4) bottom center.
2. The anchor plate performance testing device according to claim 1, wherein the supporting mechanism (2) comprises a supporting component (21) and a connecting plate (22), the displacement meter (3) is arranged on the connecting plate (22), the supporting component (21) comprises a bottom plate (211) and a vertical rod (213), the bottom plate (211) is positioned at the bottom of the central groove (12), the vertical rod (213) is vertically and fixedly connected to the bottom plate (211), and the upper end of the vertical rod (213) is detachably connected with the connecting plate (22) through a bolt (214).
3. The anchor plate performance test device according to claim 2, wherein a connecting seat (212) is arranged outside the connecting position of the bottom end of the upright rod (213) and the bottom plate (211).
4. The anchor plate performance testing device according to claim 2, wherein three placing grooves (221) are formed in the connecting plate (22) at intervals along the linear direction, the placing grooves (221) located at the center are coaxial with the supporting grooves (11), the placing grooves (221) located at two sides are symmetrical relative to the placing grooves (221) located at the center, the number of the displacement meters (3) is three, and one displacement meter (3) is arranged in each placing groove (221).
5. The anchor plate performance test device according to claim 4, wherein the displacement meter (3) comprises a column body (31), a connecting piece (32) and a displacement needle (33), the connecting piece (32) is arranged on the column body (31), the displacement needle (33) is arranged on the connecting piece (32), and the displacement needle (33) is electrically connected with the outside; a screw (222) is connected in each placing groove (221) in a threaded mode, and the screw (222) is connected with a threaded hole (311) in the column body (31) in a threaded mode so as to fix the displacement meter (3) in the placing grooves (221).
6. The anchor plate performance testing device according to claim 5, wherein a vertical groove (13) is formed in one side of the bottom of the central groove (12), and the vertical groove (13) penetrates through the inner wall of the pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322077893.7U CN220819366U (en) | 2023-08-03 | 2023-08-03 | Anchor plate performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322077893.7U CN220819366U (en) | 2023-08-03 | 2023-08-03 | Anchor plate performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819366U true CN220819366U (en) | 2024-04-19 |
Family
ID=90673619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322077893.7U Active CN220819366U (en) | 2023-08-03 | 2023-08-03 | Anchor plate performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819366U (en) |
-
2023
- 2023-08-03 CN CN202322077893.7U patent/CN220819366U/en active Active
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