CN214374203U - Steel plate concrete relative slip testing device - Google Patents
Steel plate concrete relative slip testing device Download PDFInfo
- Publication number
- CN214374203U CN214374203U CN202120488628.6U CN202120488628U CN214374203U CN 214374203 U CN214374203 U CN 214374203U CN 202120488628 U CN202120488628 U CN 202120488628U CN 214374203 U CN214374203 U CN 214374203U
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- steel plate
- concrete
- support arm
- universal
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 75
- 239000010959 steel Substances 0.000 title claims abstract description 75
- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000005291 magnetic effect Effects 0.000 claims description 23
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 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 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
The utility model discloses a relative testing arrangement that slides of steel sheet concrete through set up a storage tank and set up a plurality of test portions on concrete column, this test portion is including setting up the extension piece on the steel sheet to and set up the mounting in the top, have the connecting piece to connect the test piece on the mounting simultaneously, contact by the test piece with the detection face of extension piece, can obtain the slippage of steel sheet through the displacement of applying the load through the detection face. The test portion is external, does not destroy the original bonding of steel concrete, and easily observes, and the discovery problem can in time be handled, has solved the problem that current device is located the inside problem of appearing of concrete and is difficult to handle.
Description
Technical Field
The utility model belongs to the technical field of measure, especially, relate to a relative testing arrangement that slides of steel sheet concrete.
Background
The measurement of the bonding slippage between the steel anchor plate and the concrete is the key of the experimental study of the bonding slippage performance of the steel anchor plate type steel-concrete combined cable tower anchoring system. At present, a section steel-concrete slippage measuring device is mature, and is provided with a built-in steel-concrete slippage sensor which is self-developed by the science and technology university of the Xian building, the sensor consists of an elastic cantilever beam, a spring, a longitudinal metal shaft, a transverse limiting rod, a sliding rod, a metal outer cover and a resistance strain gauge, and the unidirectional and bidirectional internal relative slippage between steel and concrete can be accurately measured basically. However, there are the following problems:
1. the device has complex structure and high requirement on operation technology;
2. the sensors are embedded inside the concrete and difficult to find and solve if problems are encountered.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a steel sheet concrete relative slippage testing arrangement to solve the inside problem of appearing of current device position in concrete and be difficult to the problem of handling.
In order to solve the above problem, the technical scheme of the utility model is that:
the utility model discloses a relative testing arrangement that slides of steel sheet concrete, include:
the steel plate is vertically arranged in the concrete column, and two ends of the steel plate in the horizontal direction extend out of the concrete column and are used for applying load; wherein the load application direction is a first direction; the upper surface of the concrete column is provided with a containing groove for exposing the upper surface of the steel plate, the bottom surface of the containing groove is flush with the top surface of the steel plate, and the width of the containing groove is greater than the thickness of the steel plate;
the testing part comprises an extension piece, a fixing piece, a connecting piece and a detecting piece;
the extension piece vertically extends into the accommodating groove, the lower end of the extension piece is fixedly connected with the top surface of the steel plate, and the surface of the extension piece facing to the first direction is a detection surface;
the fixed piece is arranged on the external platform and is suspended above the extending piece;
the first end of the connecting piece is connected with the fixing piece, and the second end of the connecting piece is connected with the detection piece; the detection end of the detection piece is in contact with the detection surface, and the detection direction of the detection piece is parallel to the first direction and is used for detecting the slippage of the steel plate.
The utility model discloses a relative sliding testing arrangement of steel sheet concrete, the extension is a cuboid billet, length more than or equal to the degree of depth of the storage tank; the bottom surface of the cuboid steel bar is square, and the side length is less than or equal to the thickness of the steel plate.
The utility model discloses a steel sheet concrete relative slip testing arrangement, the mounting is the dead lever, the material of dead lever is ferromagnetic substance.
The utility model discloses a relative testing arrangement that slides of steel sheet concrete, the connecting piece is universal magnetism gauge stand.
The utility model discloses a relative slippage testing arrangement of steel sheet concrete, universal magnetism gauge stand includes magnetism gauge stand pedestal, first universal support arm, second universal support arm, locking piece, chuck, universal joint;
the magnetic gauge stand body is adsorbed on the fixed rod; the first end of the universal joint is connected with the magnetic meter base body, and the second end of the universal joint is connected with the first end of the first universal support arm; the second end of the first universal support arm is rotatably connected with the first end of the second universal support arm through a locking piece, and the locking piece is used for locking the angle between the first universal support arm and the second universal support arm; the chuck is arranged at the second end of the second universal support arm and used for clamping the detection piece.
The utility model discloses a relative sliding testing device of steel plate concrete, a detecting piece is a dial indicator; the sleeve of the dial indicator is connected with the second end of the connecting piece, and the measuring head of the dial indicator is in contact with the extending piece.
The utility model discloses a relative testing arrangement that slides of steel sheet concrete, extend the upper end stretch out in the upper surface of concrete column surpasss 100 mm.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model discloses an embodiment is through offering a storage tank and setting up a plurality of test portions on concrete column, and this test portion is including setting up the extension piece on the steel sheet to and set up the mounting in the top, have the connecting piece to connect the test piece on the mounting simultaneously, contact by the test piece with the detection face of extension piece, can obtain the slippage of steel sheet through the displacement of applying the load through the detection face. The test portion is external, does not destroy the original bonding of steel concrete, and easily observes, and the discovery problem can in time be handled, has solved the problem that current device is located the inside problem of appearing of concrete and is difficult to handle.
Drawings
FIG. 1 is the schematic diagram of the steel plate concrete relative slippage testing device of the utility model
FIG. 2 is a schematic side view of the steel plate concrete relative slippage testing device of the present invention;
FIG. 3 is a partial enlarged view of the steel plate concrete relative slippage testing device of the present invention;
FIG. 4 is a schematic view of a dial indicator of the device for testing relative slippage of steel plate concrete of the present invention;
fig. 5 is a schematic diagram of the universal magnetic gauge stand of the steel plate concrete relative slippage testing device of the present invention.
Description of reference numerals: 1: a steel plate; 2: a concrete column; 3: rectangular steel bars; 4: fixing the rod; 5: a dial indicator; 51: a watch body; 52: a blocking cap; 53: a large pointer; 54: a measuring rod; 55: a measuring head; 56: a sleeve; 57: a small pointer; 6: a universal magnetic gauge stand; 61: a magnetic watch seat body; 62: a first universal support arm; 63: a second universal support arm; 64: fixing the screw rod; 65: a meter clamping joint; 66: a magnetic gauge stand switch; 67: a universal joint; 7: a containing groove.
Detailed Description
The following describes the relative slippage test device for steel plate concrete provided by the present invention in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1 to 3, in one embodiment, a steel plate 1 concrete relative slip testing apparatus includes: a concrete column 2 and several test sections.
The steel plate 1 is vertically arranged in the concrete column 2, and two ends of the steel plate 1 in the horizontal direction extend out of the concrete column 2 for applying load. Wherein the load application direction is a first direction. Offer the storage tank 7 that is used for making the upper surface of steel sheet 1 expose on the upper surface of concrete column 2, the bottom surface of storage tank 7 and the top surface parallel and level of steel sheet 1, and the width of storage tank 7 is greater than the thickness of steel sheet 1.
The number of the test portions may be plural, and is not particularly limited. The testing part comprises an extension piece, a fixing piece, a connecting piece and a detecting piece. The extension piece vertically extends into the accommodating groove 7, the lower end of the extension piece is fixedly connected with the top surface of the steel plate 1, and the surface of the extension piece facing to the first direction is a detection surface. The fixing piece is arranged on the external platform and suspended above the extending piece. The first end of connecting piece links to each other with the mounting, and the second end links to each other with the detection piece. The detection end of the detection piece is in contact with the detection surface, and the detection direction of the detection piece is parallel to the first direction and is used for detecting the slippage of the steel plate 1.
This embodiment is through seting up a storage tank 7 and setting up a plurality of test portions on concrete column 2, and this test portion is including setting up the extension piece on steel sheet 1 to and set up the mounting in the top, have the connecting piece to connect the test piece on the mounting simultaneously, contact by the test piece with the detection face that extends, can obtain the slippage of steel sheet 1 through the displacement of applying the load through the detection face. The aim of multiple purposes of the device is fulfilled; the inconvenience that sensor sensitivity needs to be adjusted is solved, and the test section is external, does not destroy the original bonding of steel concrete, and easily observes, and the discovery problem can in time be handled, has solved the problem that current device is located the concrete inside and has appeared the problem and be difficult to handle.
The concrete structure of the device for testing the relative slip of the steel plate 1 in the embodiment is further described as follows:
in this embodiment, extension specifically can be a cuboid billet 3, connects on the upper surface of steel sheet 1 through the mode of two-sided fillet weld welding, and length more than or equal to storage tank 7's degree of depth specifically can surpass concrete column 2 upper surface 100mm to in measurement. The bottom surface of cuboid billet 3 is the square, and length of side is less than or equal to steel sheet 1's thickness to avoid appearing the contact of cuboid billet 3 and concrete column 2 after the welding and lead to the inaccurate problem of experimental result. In order to ensure the accuracy of measurement, the measuring surface of the cuboid steel bar 3 is perpendicular to the stress direction of the steel plate 1.
The fixing member may be a fixing rod 4, and both ends of the fixing rod 4 may be disposed on an external platform, and only one section is required above the extension member, so that the shape may be various, and is not limited herein. The fixing rod 4 is made of ferromagnetic material so as to be attracted by magnetic attraction members such as magnets.
Referring to fig. 5, the connecting member may be a universal magnetic bezel 6. The universal magnetic meter base 6 comprises a magnetic meter base body 61, a first universal support arm 62, a second universal support arm 63, a locking piece, a clamping head 65, a universal joint 67 and a magnetic meter base switch 66.
The magnetic meter seat body 61 is adsorbed on the fixed rod 4, the working surface of the magnetic meter seat body 61 cannot influence the appearance defects, the paint spraying of the non-working surface is uniform and firm, and the defects of paint layer peeling, rusting and the like cannot occur. The magnetic bezel switch 66 is provided on the magnetic bezel base body 61. The first end of the universal joint 67 is connected to the magnetic watch base body 61, and the second end is connected to the first end of the first universal arm 62. The second end of the first universal support arm 62 is rotatably connected with the first end of the second universal support arm 63 through a locking piece, and the locking piece is used for locking the angle between the first universal support arm 62 and the second universal support arm 63; specifically, the locking member may be a set screw 64. The clamp 65 is mounted to the second end of the second gimbal arm 63 and may also be mounted via a gimbal 67 for holding the test element.
Referring to fig. 4, the detecting member may be a dial indicator 5. The dial gauge 5 comprises a gauge body 51, a stop cap 52, a large pointer 53, a small pointer 57, a sleeve 56, a measuring rod 54 and a measuring head 55, wherein the sleeve 56 is arranged at an output port of the gauge body 51, the measuring rod 54 extends out of the output port and is sleeved by the sleeve 56, and the measuring head 55 is arranged at the head of the measuring rod 54. The sleeve 56 of the dial gauge 5 is held by the collet 65 and the measuring head 55 of the dial gauge 5 is in contact with the extension. The first universal support arm 62 and the second universal support arm 63 can be adjusted by rotating the universal joint 67, so that the measuring rod 54 of the dial indicator 5 is perpendicular to the measuring surface of the rectangular steel bar 3, and the measuring head 55 of the dial indicator 5 is perpendicular to the measuring surface of the rectangular steel bar 3.
The following describes the measurement method in detail:
1. before measurement, whether the measuring instrument is intact is checked, the flexibility of the meter is verified, the measuring rod 54 is pushed lightly, the movement of the measuring rod 54 in the sleeve 56 is flexible, no jamming phenomenon exists, and the large pointer 53 and the small pointer 57 can return to the original scale positions after hands are loosened each time;
2. observing whether the universal joint 67 has dust and impurities, and cleaning the universal joint by using a cleaning cloth to prevent influencing subsequent measurement errors;
3. the appearance of the magnetic watch seat 6 is checked to have no defects, such as peeling of a paint layer, rusting and the like;
4. the sequence of installing the dial indicator 5 is as follows: the dial gauge comprises a magnetic gauge stand 61, a first universal support arm 62, a second universal support arm 63 and a dial gauge 5;
5. before measurement, the dial indicator 5 is zeroed to enable the large pointer 53 to point to 0 scale;
6. during measurement, the stroke of the measuring rod 54 is not required to exceed the measuring range, and the measuring head 55 is not required to suddenly bump on the rectangular steel bar 3;
7. during measurement, the measuring rod 54 of the dial indicator 5 is required to be perpendicular to the measuring surface of the cuboid steel bar 3, otherwise, the measuring rod 54 is not flexible or the measuring result is inaccurate;
8. when reading, the big pointer 53 reads the value of 0.001mm per rotation, the small pointer 57 reads the value of 0.2mm per rotation, the scale mark rotated by the small pointer 57 is read firstly and multiplied by 0.2, then the scale mark rotated by the big pointer 53 is read and multiplied by 0.001mm, and then the two are added to obtain the measured value.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (7)
1. The utility model provides a relative testing arrangement that slides of steel sheet concrete which characterized in that includes:
the steel plate is vertically arranged in the concrete column, and two ends of the steel plate in the horizontal direction extend out of the concrete column and are used for applying load; wherein the load application direction is a first direction; the upper surface of the concrete column is provided with a containing groove for exposing the upper surface of the steel plate, the bottom surface of the containing groove is flush with the top surface of the steel plate, and the width of the containing groove is greater than the thickness of the steel plate;
the testing part comprises an extension piece, a fixing piece, a connecting piece and a detecting piece;
the extension piece vertically extends into the accommodating groove, the lower end of the extension piece is fixedly connected with the top surface of the steel plate, and the surface of the extension piece facing to the first direction is a detection surface;
the fixed piece is arranged on the external platform and is suspended above the extending piece;
the first end of the connecting piece is connected with the fixing piece, and the second end of the connecting piece is connected with the detection piece; the detection end of the detection piece is in contact with the detection surface, and the detection direction of the detection piece is parallel to the first direction and is used for detecting the slippage of the steel plate.
2. The steel plate concrete relative slip testing device according to claim 1, wherein the extension member is a rectangular steel bar, and the length of the extension member is greater than or equal to the depth of the accommodating groove; the bottom surface of the cuboid steel bar is square, and the side length is less than or equal to the thickness of the steel plate.
3. The steel plate concrete relative slippage testing device of claim 1, wherein the fixing member is a fixing rod, and the fixing rod is made of ferromagnetic material.
4. The steel plate concrete relative slip testing device of claim 3, wherein the connecting piece is a universal magnetic gauge stand.
5. The steel plate concrete relative slip testing device according to claim 4, wherein the universal magnetic gauge stand comprises a magnetic gauge stand body, a first universal support arm, a second universal support arm, a locking piece, a chuck and a universal joint;
the magnetic gauge stand body is adsorbed on the fixed rod; the first end of the universal joint is connected with the magnetic meter base body, and the second end of the universal joint is connected with the first end of the first universal support arm; the second end of the first universal support arm is rotatably connected with the first end of the second universal support arm through a locking piece, and the locking piece is used for locking the angle between the first universal support arm and the second universal support arm; the chuck is arranged at the second end of the second universal support arm and used for clamping the detection piece.
6. The steel plate concrete relative slip testing device according to claim 1, wherein the detecting member is a dial indicator; the sleeve of the dial indicator is connected with the second end of the connecting piece, and the measuring head of the dial indicator is in contact with the extending piece.
7. The steel plate concrete relative slip testing device of claim 1, wherein the upper end of said extension member protrudes beyond the upper surface of said concrete column by more than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120488628.6U CN214374203U (en) | 2021-03-08 | 2021-03-08 | Steel plate concrete relative slip testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120488628.6U CN214374203U (en) | 2021-03-08 | 2021-03-08 | Steel plate concrete relative slip testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214374203U true CN214374203U (en) | 2021-10-08 |
Family
ID=77970506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120488628.6U Expired - Fee Related CN214374203U (en) | 2021-03-08 | 2021-03-08 | Steel plate concrete relative slip testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214374203U (en) |
-
2021
- 2021-03-08 CN CN202120488628.6U patent/CN214374203U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |