CN209857815U - Test piece manufacturing device capable of accurately controlling thickness of CFRP/steel interface glue layer - Google Patents
Test piece manufacturing device capable of accurately controlling thickness of CFRP/steel interface glue layer Download PDFInfo
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- CN209857815U CN209857815U CN201821982381.8U CN201821982381U CN209857815U CN 209857815 U CN209857815 U CN 209857815U CN 201821982381 U CN201821982381 U CN 201821982381U CN 209857815 U CN209857815 U CN 209857815U
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- thickness
- test piece
- cfrp
- screw
- accurately controlling
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Abstract
The utility model relates to a test piece making devices of accurate control CFRP steel interface glue film thickness, including outer support, precession screw, measuring board and slide caliper, the outer support vertical fixation is on the platform, and precession screwed connection reciprocates at the top of outer support through the rotation, and the measuring board is equipped with two, sets up respectively at the top of waiting to test the piece and slide caliper's vernier lower extreme, and slide caliper connects the lateral part at the outer support. Compared with the prior art, the utility model can accurately control the thickness of the glue layer through the cooperation of the screw and the vernier caliper; the thickness of the glue layer can be adjusted and measured at the same time; simple structure, easy maintenance, can used repeatedly.
Description
Technical Field
The utility model belongs to the technical field of civil engineering and specifically relates to a test piece making devices of accurate control CFRP steel interface glue film thickness is related to.
Background
In recent years, carbon fiber reinforced Composite (CFRP) materials have been widely used in the field of reinforcing and repairing building structures by virtue of their advantages of high strength and corrosion resistance. The CFRP pasting steel member is an important test piece form for carrying out the interface performance test of the CFRP pasting steel member and the CFRP pasting steel member or exploring the reinforcing performance. The thickness of the structural adhesive can directly affect the mechanical properties of the test piece. In the existing test piece manufacturing process, an aluminum sheet is generally manufactured, the thickness of the aluminum sheet is the sum of the thickness of a designed glue layer and the thickness of a CFRP material, the CFRP material is pasted on the surface of a steel plate, then the aluminum sheet is placed on two sides of the CFRP material, and then a heavy object is placed above the CFRP material, so that redundant glue overflows; by adopting the method, the glue can overflow to easily contaminate the surface, the aluminum sheet with specific thickness is required to be customized according to the working condition of specific glue layer thickness, and the application range is limited. Therefore, it is necessary to design a device for manufacturing a test piece capable of precisely controlling the thickness of the adhesive layer to solve the above problems.
Chinese patent CN205374267U discloses a limit bonding stress measuring device for a CFRP reinforced steel structure, which comprises a supporting part, a measuring part and a power part. The supporting part comprises two guide rails which are arranged in parallel; the measurement section includes: the fixed measuring handle, the movable measuring handle and the tension slider are arranged on the guide rail; the measuring head is arranged on the cylindrical boss, the measuring head is in a sleeve shape, the inner diameter of the measuring head is equal to the outer diameter of the cylindrical boss, fine grooves are formed in two sides of the measuring head, and the measuring head is fixed on the cylindrical boss through fastening snap rings sleeved on the measuring head; the power part comprises a belt connected with the first tension slider and the second tension slider respectively, and a motor winding system connected with the belt. But the device can only measure the bonding stress and can not accurately control the thickness of the glue layer of the manufactured test piece.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can accurate control CFRP steel interface glue film thickness's test piece making devices in order to overcome the defect that above-mentioned prior art exists, the device can simply, accurately control the thickness of glue film, the test piece of the arbitrary glue film thickness of preparation.
The purpose of the utility model can be realized through the following technical scheme:
a test piece manufacturing device for accurately controlling the thickness of a CFRP/steel interface glue layer comprises an outer bracket, a screw-in screw, a measuring plate and a vernier caliper,
the outer bracket is vertically fixed on the platform,
the screw-in screw is connected with the top of the outer bracket and moves up and down through rotation,
the two measuring plates are respectively arranged at the top of the piece to be tested and the lower end of the vernier caliper,
the vernier caliper is connected to the side part of the outer bracket.
And fixing screws are arranged at the bottoms of the two sides of the outer support to fix the outer support on the platform.
The top of the outer support is provided with a fixing screw which is fixedly connected with a vernier caliper.
The bottom of the screw-in screw abuts against the measuring plate at the top of the to-be-tested part.
The measuring plate is a polytetrafluoroethylene plate and the thickness of the measuring plate is 1 mm.
The vernier of the vernier caliper moves up and down along the caliper.
And the caliper of the vernier caliper is provided with scale marks along the height direction.
The outer support, the screw-in screw and the vernier caliper are all made of steel.
Compared with the prior art, the utility model can accurately control the thickness of the glue layer through the cooperation of the screw and the vernier caliper; the thickness of the glue layer can be adjusted and measured at the same time; simple structure, easy maintenance, can used repeatedly.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a left side view structure diagram of the present invention.
In the figure, 1 is an external bracket, 2 is a screw, 3 is a fixing screw, 4 is a caliper, 5 is a vernier, 6 is a measuring plate, 7 is a measuring plate, 8 is a steel plate, 9 is a glue layer, and 10 is a carbon fiber reinforced composite material layer.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
A test piece manufacturing device for accurately controlling the thickness of a CFRP/steel interface glue layer is structurally shown in figures 1-3 and comprises an outer support 1, a screw-in screw 2, a measuring plate 7 and a vernier caliper. The outer support 1 is horizontally fixed on a platform, the bottom of two sides of the outer support 1 is provided with fixing screws 3, the outer support 1 is fixed on the platform, the whole outer support 1 is in a convex structure, the middle of the whole outer support 1 is high, a test piece to be tested can be conveniently placed at the bottom of the outer support 1, and the outer support is composed of a steel plate 8, a glue layer 9 and a carbon fiber reinforced composite material layer 10. The screw 2 is connected to the top of the outer frame 1 and moves up and down by rotation. The two measuring plates are arranged, wherein the measuring plate 6 is arranged at the top of a piece to be tested, namely the top of the carbon fiber reinforced composite material layer 10, and the other measuring plate 7 is arranged at the lower end of the vernier 5 of the vernier caliper. The two measuring plates used were all polytetrafluoroethylene plates with a thickness of 1 mm. The bottom of the screw 2 abuts against the measuring plate 6 on top of the test piece to be tested.
The vernier caliper is connected to the side portion of the outer support 1 through the fixing screw 3, the vernier 5 moves up and down along the vernier caliper 4, the vernier caliper 4 is provided with scale marks along the height direction, and the screw 2 is matched to fix the test piece through the movement of the vernier 5, so that the thickness of the rubber layer 9 can be accurately controlled and measured. In order to prolong the service life, the used outer support 1, the screw-in screw 2, the fixing screw 3, the vernier caliper and the like are all made of steel.
The utility model discloses when using, arrange the CFRP steel test piece that the glue film has not solidified in under the device. Firstly, adjusting a fixing screw 3, screwing the fixing screw into a hole reserved on a platform to ensure that an outer support 1 is kept vertical, and fixing the whole device on a flat desktop; secondly, placing the measuring plate 6 coated with the grease on the top of the CFRP/steel test piece, screwing the screw 2 to enable the lower end of the screw to be abutted against the measuring plate 6, and controlling the thickness of the glue layer to be in a required size by up-and-down movement of the screw 2 in contrast to the scale mark of the caliper 4; and when the thickness of the glue layer approximately meets the requirement, moving the vernier to enable the measuring plate 7 at the lower end of the vernier to be in contact with the measuring plate 6 at the top of the test piece, accurately measuring and calculating the thickness of the glue layer at the moment, and slightly screwing the screw to finely adjust the thickness of the glue layer.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. A test piece manufacturing device for accurately controlling the thickness of a CFRP/steel interface glue layer is characterized by comprising an outer bracket, a screw-in screw, a measuring plate and a vernier caliper,
the outer bracket is vertically fixed on the platform,
the screw-in screw is connected with the top of the outer bracket and moves up and down through rotation,
the two measuring plates are respectively arranged at the top of the piece to be tested and the lower end of the vernier caliper,
the vernier caliper is connected to the side part of the outer bracket.
2. The device for manufacturing a test piece capable of accurately controlling the thickness of a CFRP/steel interface glue layer according to claim 1, wherein fixing screws are arranged at the bottoms of the two sides of the outer support to fix the outer support on the platform.
3. The device for manufacturing a test piece capable of accurately controlling the thickness of a cement layer of a CFRP/steel interface according to claim 1, wherein a set screw is arranged at the top of the outer support and fixedly connected with a vernier caliper.
4. The device for manufacturing a test piece capable of accurately controlling the thickness of a cement layer of a CFRP/steel interface according to claim 1, wherein the bottom of the screw-in screw abuts against a measuring plate at the top of the test piece to be tested.
5. The device for manufacturing a test piece capable of accurately controlling the thickness of a cement layer at a CFRP/steel interface according to claim 1, wherein the measuring plate is a polytetrafluoroethylene plate.
6. The device for manufacturing the test piece capable of accurately controlling the thickness of the CFRP/steel interface glue layer according to claim 1, wherein the thickness of the measuring plate is 1 mm.
7. The device for manufacturing a test piece capable of accurately controlling the thickness of a cement layer at a CFRP/steel interface according to claim 1, wherein the vernier of the vernier caliper moves up and down along the caliper.
8. The device for manufacturing a test piece capable of accurately controlling the thickness of a cement layer at a CFRP/steel interface according to claim 1, wherein the caliper of the vernier caliper is provided with scale marks along the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982381.8U CN209857815U (en) | 2018-11-29 | 2018-11-29 | Test piece manufacturing device capable of accurately controlling thickness of CFRP/steel interface glue layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982381.8U CN209857815U (en) | 2018-11-29 | 2018-11-29 | Test piece manufacturing device capable of accurately controlling thickness of CFRP/steel interface glue layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857815U true CN209857815U (en) | 2019-12-27 |
Family
ID=68928521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982381.8U Expired - Fee Related CN209857815U (en) | 2018-11-29 | 2018-11-29 | Test piece manufacturing device capable of accurately controlling thickness of CFRP/steel interface glue layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209857815U (en) |
-
2018
- 2018-11-29 CN CN201821982381.8U patent/CN209857815U/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: 20191227 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |