CN218481037U - Beam slab static load test deflection testing device - Google Patents
Beam slab static load test deflection testing device Download PDFInfo
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- CN218481037U CN218481037U CN202221772036.8U CN202221772036U CN218481037U CN 218481037 U CN218481037 U CN 218481037U CN 202221772036 U CN202221772036 U CN 202221772036U CN 218481037 U CN218481037 U CN 218481037U
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- wire rope
- steel
- connecting piece
- steel wire
- leveling
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 230000003068 static effect Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
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Abstract
The utility model provides a beam slab static test amount of deflection testing arrangement, include: the device comprises a connecting piece, a steel wire rope, a steel hanging hammer with a bottom hole, a dial indicator, a magnetic gauge stand, a bottom plate capable of leveling and a protective cover, wherein the connecting piece, the steel wire rope, the steel hanging hammer with the bottom hole, the dial indicator, the magnetic gauge stand, the bottom plate capable of leveling and the protective cover are stuck; the steel wire rope is characterized in that the adhesive connecting piece is connected with the bottom surface of the beam plate, one end of the steel wire rope is connected with the adhesive connecting piece, the other end of the steel wire rope is connected with the bottom hole steel hanging hammer, the dial indicator is fixed on the leveling bottom plate through the magnetic indicator seat, and the protective cover covers the periphery of the bottom of the testing device. The deflection of the beam plate is led to the ground through the steel wire rope, so that the deflection testing efficiency is improved; the adhesive connecting piece replaces an expansion bolt arranged at the bottom of the beam plate to fix the steel wire rope, so that the safety of testing personnel is improved; through setting up the safety cover, avoided external factor's interference, improved the accuracy of test value.
Description
Technical Field
The utility model relates to a structural engineering load test amount of deflection test field especially relates to the experimental amount of deflection test of girder plate static load among the building structure.
Background
The load test is an important structural detection technical means, and has important significance in the aspects of evaluating the actual bearing capacity of structural engineering or members, establishing and accumulating technical data, evaluating the actual technical condition of the structural engineering or members and the like.
In the construction process, carry out the load test, be favorable to examining construction quality, the discovery has quality defect or unqualified structural component, can in time take corresponding remedial measure, avoids causing the later stage potential safety hazard, brews into bigger incident. In the normal use process, the existing structure can inevitably receive the influence of natural environment and human factor, perhaps changes the usage and leads to the structure to bear the load and change, in addition, along with the continuous development of economy, people also more and more high to the security requirement of existing building structure, consequently, it is very necessary to select bearing members such as roof beam board to carry out load test its amount of deflection to compare with relevant standard amount of deflection allowable value, combine other detection projects simultaneously, carry out technical appraisal to the structure condition of bearing.
In the prior art, some test points are selected on a beam plate, and a total station is adopted to directly test the vertical deflection, and the test method has the following defects: the total station is easy to receive external disturbance, and the measured deflection is difficult to be ensured to be vertical deflection. Some through set up the support below the beam slab, be convenient for fix the percentage table on the support for the measuring head of percentage table directly pushes up at the beam slab bottom surface, and this test method also has not few defect, if: the work load of setting up the support is big, the expense is high, efficient, because the deformation of support is uncontrollable, results in the percentage table reading to have the error, and the percentage table is on the support for the experimenter reading is inconvenient etc.. Even if the deflection is led to the ground to test by the combination of the currently adopted steel wire rope and the hanging hammer, the method also has a plurality of defects, such as: the steel wire rope end on the bottom surface of the beam plate is inconvenient to fix, the measuring head position of the dial indicator on the bottom surface of the hanging hammer is not easy to stabilize, and the testing device is easily interfered by external factors.
Disclosure of Invention
In order to solve the defect that the above-mentioned current amount of deflection testing arrangement exists, the utility model discloses following technical scheme has been taken.
The utility model provides a beam slab static test amount of deflection testing arrangement, includes: the connecting piece, the steel wire rope, the steel hanging hammer with the bottom hole, the dial indicator, the magnetic gauge stand, the leveling bottom plate and the protective cover can be adhered;
the adhesive connecting piece is connected with the bottom surface of the beam plate, one end of the steel wire rope is connected with the adhesive connecting piece, and the other end of the steel wire rope is connected with the bottom hole steel hanging hammer;
the dial indicator is fixed on the leveling bottom plate by a magnetic gauge stand, a measuring head of the dial indicator is inserted into a bottom hole of the steel hanging hammer with the bottom hole, and meanwhile, the hanging hammer is ensured to be in a vertical state by a level gauge on the top surface of the steel hanging hammer;
after the testing device is installed, two U-shaped transparent acrylic plates are butted to form a protective cover to cover the periphery of the bottom of the testing device.
According to the technical scheme, the utility model provides a new beam slab static test amount of deflection testing arrangement draws ground to the beam slab amount of deflection through wire rope and tests, has solved the inconvenient problem of reading. The connecting piece can be pasted in the adoption, and it is convenient to dismantle, can improve test efficiency. The measuring head of the dial indicator can be positioned by adopting the steel hanging hammer with the bottom hole, and the top surface of the hanging hammer is provided with a level gauge, so that the measured deflection can be ensured to be vertical deflection. The testing device is provided with the protective cover, so that the interference of wind or human factors and the like is avoided, and the accuracy of test data is ensured.
Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description.
Drawings
FIG. 1 is a structural diagram of the deflection testing device of the present invention;
the figure 1 includes: the device comprises a beam plate 1, a sticky connecting piece 2, a steel wire rope 3, a steel wire rope hanging ring 31, a steel wire rope retractor 32, a steel hanging hammer 4 with a bottom hole, a dial indicator 5, a magnetic meter seat 6, a switch 61, a main rod 62, an auxiliary rod 63, a leveling bottom plate 7 and a protective cover 8;
FIG. 2 is a schematic view showing a connection member attachable to the device of the present invention;
fig. 2 includes: a sticking film 21, a thin steel sheet 22 and a hook 23;
FIG. 3 is a large sample drawing of a steel hanging hammer with a bottom hole in the device of the utility model;
fig. 3 includes: the leveling lifting ring 41, the leveling sliding rod 42, the level gauge 43, the measuring head 44 and the bottom hole 45;
FIG. 4 is a large drawing of the leveling bottom plate of the device of the present invention;
fig. 4 includes: a thin steel plate 71 and a leveling pad 72.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
Combine the figure to explain the utility model discloses carry out the explanation of detailed description, a beam slab static test amount of deflection testing arrangement, include: the steel hanging hammer with the bottom hole comprises a sticking connecting piece 2, a steel wire rope 3, a steel hanging hammer with the bottom hole 4, a dial indicator 5, a magnetic gauge stand 6, a leveling bottom plate 7 and a protective cover 8.
The utility model discloses improve the upgrading to traditional "weight + wire rope + percentage table" amount of deflection test mode, overcome the defect of its existence, the concrete body is current: the attachable connecting piece 2 is used for replacing the traditional connecting piece, so that the assembly and disassembly are convenient; the steel wire rope retractor 32 is added, so that the operation is simple and convenient, and the steel wire rope can be repeatedly used; the heavy hammer is upgraded, a bottom hole 45 is additionally formed in the bottom surface, a level gauge 43 is additionally arranged on the top surface, and a leveling hanging ring 41 and a leveling sliding rod 42 are additionally arranged, so that the deflection test result is more accurate; the bottom plate under the magnetic gauge stand 6 is improved, and a leveling pad 72 is added and is upgraded into a bottom plate 7 capable of leveling; the protective cover 8 is additionally arranged, so that the problem of interference of external factors is solved.
One end of the steel wire rope 3 is fixed on the bottom surface of the beam slab 1 through the adhesive connecting piece 2, the connection is fixed by means of an adhesive film 21, and after the test is finished, the adhesive film 21 can be taken down.
The wire rope hanging ring 31 is hung on the hook 23, and the other end of the wire rope 3 is connected with the leveling hanging ring 41.
The leveling slide bar 42 levels, whether leveling is carried out or not is determined by observing level bubbles in the level gauge 43, and after leveling, the top surface and the bottom surface of the steel hanging hammer 4 with the bottom hole can be ensured to be horizontal, so that the steel hanging hammer 4 with the bottom hole is ensured to be in a vertical and vertical state.
The magnetic gauge stand 6 is placed on the bottom plate 7 capable of leveling, the switch 61 is turned on at the moment, the dial indicator 5 is fixed on the magnetic gauge stand 6, and the height and the horizontal position are adjusted by adjusting the main rod 62 and the auxiliary rod 63, so that the measuring head 44 extends into the bottom hole 45.
The protective cover 8 is placed on the periphery of the testing device, and the arrangement of the deflection testing device is finished.
And (5) carrying out a beam-slab static load test, loading the beam slab 1, reading the numerical value of the dial indicator 5, and finishing the test.
Claims (5)
1. The utility model provides a beam slab static test amount of deflection testing arrangement which characterized in that includes: the connecting piece, the steel wire rope, the steel hanging hammer with the bottom hole, the dial indicator, the magnetic gauge stand, the leveling bottom plate and the protective cover can be adhered; the steel cable connecting piece is characterized in that the sticking connecting piece is connected with the bottom surface of the beam plate, one end of the steel cable is connected with the sticking connecting piece, the other end of the steel cable is connected with the bottom hole steel hanging hammer, the magnetic gauge seat for the dial indicator is fixed on the leveling bottom plate, the measuring head of the dial indicator is inserted into the bottom surface hole of the steel hanging hammer, and the protection cover covers the periphery of the bottom of the testing device.
2. The deflection testing device for the static load test of the beam plate as claimed in claim 1, wherein the attachable connecting piece is a thin flat plate, one surface of the attachable connecting piece is provided with a hook for connecting the steel wire rope, the other surface of the attachable connecting piece is coated with glue and is attached to the bottom surface of the beam plate, the steel wire rope is provided with an automatic telescopic device, the length of the steel wire rope can be automatically extended to a required length according to needs, the steel wire rope can be retracted after the test is finished and can be reused, and the extending end of the steel wire rope is provided with a hanging ring for hanging the hook of the steel hanging hammer with the bottom hole below.
3. The deflection testing device for the static load test of the beam plate as claimed in claim 1, wherein the steel hanging hammer with the bottom hole is a cylinder, a round hole is arranged at the center of the bottom surface of the cylinder to allow a measuring head of a dial indicator to go deep into the round hole, the diameter and the depth of the round hole are required to ensure that the measuring head is fixed without clamping, a round hole with a screw thread is arranged at the center of the top surface of the cylinder, a screw rod with a hook is inserted into the round hole, and a level gauge is arranged at the top surface of the cylinder to ensure that the top surface of the steel hanging hammer with the bottom hole is horizontal, so that the deflection measured by the dial indicator is the vertical deflection of the beam plate.
4. The deflection testing device for the static load test of the beam plate as claimed in claim 1, wherein the bottom plate capable of leveling is a round steel plate, and a plastic gasket capable of leveling is adhered to the bottom surface of the round steel plate so as to eliminate the phenomenon that the bottom plate capable of leveling is swayed and unstable due to uneven ground pits.
5. The deflection testing device for the static load test of the beam plate as claimed in claim 1, wherein the protective cover is a hollow cylindrical transparent acrylic cover, and the protective cover is formed by butt joint of two U-shaped transparent acrylic plates which can be assembled, so that the testing device is not disturbed by external force and is convenient for reading of a dial indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221772036.8U CN218481037U (en) | 2022-07-11 | 2022-07-11 | Beam slab static load test deflection testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221772036.8U CN218481037U (en) | 2022-07-11 | 2022-07-11 | Beam slab static load test deflection testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218481037U true CN218481037U (en) | 2023-02-14 |
Family
ID=85163266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221772036.8U Active CN218481037U (en) | 2022-07-11 | 2022-07-11 | Beam slab static load test deflection testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218481037U (en) |
-
2022
- 2022-07-11 CN CN202221772036.8U patent/CN218481037U/en active Active
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