CN210442195U - Tensile property testing device for fiber reinforced resin matrix composite board - Google Patents
Tensile property testing device for fiber reinforced resin matrix composite board Download PDFInfo
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- CN210442195U CN210442195U CN201921019255.7U CN201921019255U CN210442195U CN 210442195 U CN210442195 U CN 210442195U CN 201921019255 U CN201921019255 U CN 201921019255U CN 210442195 U CN210442195 U CN 210442195U
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Abstract
A tensile property testing device for a fiber reinforced resin matrix composite plate comprises two clamping main bodies, wherein each clamping main body is provided with a clamping mechanism and a pre-tightening mechanism, each clamping mechanism comprises a clamping seat and a clamping block for clamping the fiber reinforced resin matrix composite plate, and the clamping main bodies are provided with clamping grooves for facilitating the installation of the clamping seats and the clamping blocks; the pre-tightening mechanism comprises a vertical pre-tightening rod, one end of the vertical pre-tightening rod penetrates through the clamping main body from outside to inside and extends into the clamping groove, and a pre-tightening top plate for tightly jacking the clamping seat and the clamping block is fixedly connected to the vertical pre-tightening rod in the clamping groove. The device reasonable in design, convenient to use through the dismantlement formula centre gripping of clamp splice to panel, are convenient for carry out tensile test, shorten the system appearance cycle greatly, provide promptness and accuracy for product tensile properties test.
Description
Technical Field
The utility model relates to a tensile properties testing arrangement, especially a fiber reinforcement resin matrix combined material board tensile properties testing arrangement.
Background
At present, when a fiber reinforced resin matrix composite plate is subjected to tensile test, a glass fiber reinforced plastic reinforcing sheet needs to be bonded on the surface of the fiber reinforced resin matrix composite plate, but the bonding and curing period of the fiber reinforced resin matrix composite plate is longer, and the timeliness of the tensile property test result of the fiber reinforced resin matrix composite plate is seriously influenced. Therefore, it is necessary to design and develop a device for testing the tensile property of a fiber reinforced resin matrix composite board, which has reasonable structural design, convenient operation, detachability, reusability and greatly reduced sample preparation period, on the basis of the prior art.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a structural design is reasonable, can dismantle, can used repeatedly, greatly reduced system appearance periodic fiber reinforcement resin based composite board tensile properties testing arrangement.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a tensile property testing device of a fiber reinforced resin matrix composite board, which comprises two clamping main bodies, wherein each clamping main body is provided with a clamping mechanism and a pre-tightening mechanism, each clamping mechanism comprises a clamping seat and a clamping block for clamping the fiber reinforced resin matrix composite board, and the clamping main bodies are provided with clamping grooves for facilitating the installation of the clamping seats and the clamping blocks; the pre-tightening mechanism comprises a vertical pre-tightening rod, one end of the vertical pre-tightening rod penetrates through the clamping main body from outside to inside and extends into the clamping groove, and a pre-tightening top plate for tightly jacking the clamping seat and the clamping block is fixedly connected to the vertical pre-tightening rod in the clamping groove.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the tensile properties testing arrangement of fiber reinforced resin matrix composite board, holder and clamp splice all are provided with two.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above fiber reinforced resin matrix combined material board tensile properties testing arrangement, clamping mechanism still carries out fixed separation blade fixed including being used for to holder and centre gripping, and fixed separation blade passes through fixing bolt and installs in the centre gripping main part of centre gripping groove department, still be provided with in the centre gripping main part of centre gripping groove department with fixed separation blade complex recess.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the tensile properties testing arrangement of fiber reinforced resin base combined material board, still be provided with on the vertical pretension pole with outside test machine complex bolt locating hole.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the tensile properties testing arrangement of fiber reinforced resin matrix composite board, still be provided with the horizontal pole of pretightening of the vertical pole of pretightening of being convenient for to rotate on the vertical pole of pretightening.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the tensile properties testing arrangement of fiber reinforced resin matrix composite board, the clamp splice is provided with the sawtooth that is used for increasing friction on the surface that contacts with fiber reinforced resin matrix composite board.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the tensile properties testing arrangement of fiber reinforced resin matrix composite board, the holder is the wedge holder, and the clamp splice is the wedge clamp splice.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the tensile properties testing arrangement of fiber reinforced resin matrix composite board, the taper of wedge clamp splice and wedge holder is the same, and wedge clamp splice and wedge holder contact surface between them are the smooth surface.
Compared with the prior art, the utility model discloses a bolt locating hole is connected the centre gripping main part with external testing machine and is fixed, utilizes clamp splice and holder cooperation with fibre reinforcement resin matrix composite board centre gripping, and install to the centre gripping inslot, then recycles fixed separation blade and fixes clamp splice and holder, and fastens the fixed clamping piece from the outside through fixing bolt, rotates vertical pretension pole at last, makes the pretension top piece can carry out tensile test after tip is carried out the top to clamp splice and clamp splice, records the tensile strength of fibre reinforcement resin matrix composite board; the components of the whole device can be disassembled and assembled, so that the device is convenient to reuse. The device reasonable in design, convenient to use through the dismantlement formula centre gripping of clamp splice to panel, are convenient for carry out tensile test, shorten the system appearance cycle greatly, provide promptness and accuracy for product tensile properties test.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a usage state diagram of the present invention;
fig. 3 is a partial schematic view of the usage state of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the device for testing the tensile property of a fiber reinforced resin matrix composite material plate 6 comprises two clamping main bodies 3, wherein each clamping main body 3 is provided with a clamping mechanism and a pre-tightening mechanism, each clamping mechanism comprises a clamping seat 7 and a clamping block 8 for clamping the fiber reinforced resin matrix composite material plate 6, and the clamping main bodies are provided with clamping grooves for facilitating installation of the clamping seats 7 and the clamping blocks 8; the pre-tightening mechanism comprises a vertical pre-tightening rod, one end of the vertical pre-tightening rod penetrates through the clamping main body from outside to inside and extends into the clamping groove, and a pre-tightening top plate 9 for tightly jacking the clamping seat 7 and the clamping block 8 is fixedly connected onto the vertical pre-tightening rod in the clamping groove. The two clamping main bodies 3 are used for clamping two end parts of the fiber reinforced resin matrix composite material plate 6 respectively, so that the fiber reinforced resin matrix composite material plate 6 is conveniently stretched; each clamping main body 3 clamps the fiber reinforced resin matrix composite material plate 6 through a clamping block 8, the clamping main bodies are installed in a clamping groove through clamping seats 7 and the clamping blocks 8 for fixing, and the clamping blocks 8 clamp the fiber reinforced resin matrix composite material plate 6 while the clamping main bodies are fixed; the vertical pre-tightening rod is provided with an external thread, the clamping main body is provided with a threaded hole, the end part of one end of the vertical pre-tightening rod is screwed in the threaded hole and extends into the clamping groove to be fixedly connected with the pre-tightening top plate 9, so that after the clamping block 8 clamps the fiber reinforced resin matrix composite plate 6, the pre-tightening top plate 9 is driven to tightly jack the clamping block 8 and the clamping seat 7 from the top, and the clamping force of the clamping block 8 on the fiber reinforced resin matrix composite plate 6 is further increased; each part of this application is detachable installation, can conveniently screw up and dismantle, the used repeatedly of being convenient for.
The clamping bases 7 and the clamping blocks 8 are arranged, after the clamping bases 7 and the clamping blocks 8 are installed in the clamping grooves, the two clamping bases 7 clamp the two clamping blocks 8 in the middle, the two clamping blocks 8 are used for clamping the end portions of the fiber reinforced resin matrix composite plates 6 from two sides, and the fiber reinforced resin matrix composite plates 6 are conveniently stretched from two ends.
The clamping mechanism further comprises a fixed separation blade 5 used for fixing the clamping seat 7 and the clamping, the fixed separation blade 5 is installed on the clamping main body at the clamping groove through a fixing bolt 4, and a groove matched with the fixed separation blade 5 is further formed in the clamping main body at the clamping groove. The setting of fixed separation blade 5 is used for avoiding holder 7 and clamp splice 8 to break away from the centre gripping inslot, all be provided with on fixed separation blade 5 and the centre gripping main part with fixing bolt 4 complex screw hole, fixing bolt 4's bolt end runs through fixed separation blade 5 and connects soon in the threaded hole of centre gripping main part, fixes fixed separation blade 5.
Still be provided with on the vertical pretension pole with outside testing machine complex bolt locating hole 2. The arrangement of the bolt positioning hole 2 facilitates the fixed connection of the device and an external testing machine, and the tensile test is carried out.
The vertical pre-tightening rod is also provided with a transverse pre-tightening rod 1 which is convenient for rotating the vertical pre-tightening rod. Horizontal pre-tightening rod 1's setting makes things convenient for the staff to hold, rotates vertical pre-tightening rod, and vertical pre-tightening rod's tip is provided with and horizontal pre-tightening rod 1 interference fit's pre-tightening hole, and horizontal pre-tightening rod 1's one end is run through pre-tightening hole, is installed on vertical pre-tightening rod.
The clamping blocks 8, the clamping seats 7, the clamping main body, the pre-tightening top plates 9, the fixing bolts 4, the fixing baffle plates 5, the vertical pre-tightening rods and the transverse pre-tightening rods 1 are all made of high-strength steel materials, and are high in rigidity and tensile strength.
The surface of the clamping block 8, which is in contact with the fiber reinforced resin matrix composite material plate 6, is provided with saw teeth for increasing friction. The sawtooth is arranged for increasing the friction force between the clamping block 8 and the fiber reinforced resin matrix composite plate 6, and the clamping block 8 and the fiber reinforced resin matrix composite plate 6 are prevented from moving relatively, so that the fiber reinforced resin matrix composite plate 6 is prevented from being separated from the clamping block 8.
The clamping seat 7 is a wedge-shaped clamping seat 7, the clamping block 8 is a wedge-shaped clamping block 8, the clamping groove is in an inverted triangle shape, an opening convenient to stretch is formed in one end part, and the groove width is gradually reduced from the other end of the clamping groove to the opening end, so that when the clamping seat is used, the wedge-shaped clamping seat 7 and the wedge-shaped clamping block 8 are tightly jacked at the opening, and the effect that the clamping seat is more and more tightened is formed; the wedge-shaped clamping blocks 8 are additionally arranged between the wedge-shaped clamping seats 7, so that a sample strip can be tested at any time, and the wedge-shaped clamping blocks 8 can be reused; the fiber reinforced resin matrix composite plate 6 is clamped and held tightly by the friction force between the wedge-shaped clamping blocks 8 and the sample strips, and when the force is applied in the vertical direction, the wedge-shaped clamping blocks 8 have the effect of becoming tighter and tighter.
The taper of the wedge-shaped clamping block 8 is the same as that of the wedge-shaped clamping seat 7, so that the wedge-shaped clamp is matched with the wedge-shaped seat, the contact surfaces of the wedge-shaped clamping block 8 and the wedge-shaped clamping seat 7 are both smooth surfaces, the friction between the wedge-shaped clamping block 8 and the wedge-shaped clamping seat 7 is effectively reduced, and the wedge-shaped clamping block 8 can clamp a sample strip more firmly.
During the use, be connected the device with external testing machine through bolt locating hole 2 and fix, after that with holder 7, clamp splice 8 install to the centre gripping inslot to fixed separation blade 5 is adorned in the outside, fix through fixing bolt 4, at this moment, the centre gripping central point that places at the clamp splice 8 of two centre gripping main parts 3 respectively in the both ends of fiber reinforcement resin based composite board 6 puts, screws up vertical pretension pole at last after, can carry out tensile test, record fiber reinforcement resin based composite board 6 tensile strength.
Claims (8)
1. The utility model provides a fiber reinforcement resin matrix combined material board tensile properties testing arrangement which characterized in that: the device comprises two clamping main bodies, wherein each clamping main body is provided with a clamping mechanism and a pre-tightening mechanism, each clamping mechanism comprises a clamping seat and a clamping block for clamping the fiber reinforced resin matrix composite plate, and the clamping main bodies are provided with clamping grooves for facilitating the installation of the clamping seats and the clamping blocks; the pre-tightening mechanism comprises a vertical pre-tightening rod, one end of the vertical pre-tightening rod penetrates through the clamping main body from outside to inside and extends into the clamping groove, and a pre-tightening top plate for tightly jacking the clamping seat and the clamping block is fixedly connected to the vertical pre-tightening rod in the clamping groove.
2. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 1, wherein: the clamp holder and the clamp block are both provided with two.
3. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 1 or 2, wherein: the clamping mechanism further comprises a fixing separation blade used for fixing the clamping seat and the clamping, the fixing separation blade is installed on the clamping main body at the clamping groove through a fixing bolt, and a groove matched with the fixing separation blade is further formed in the clamping main body at the clamping groove.
4. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 1, wherein: and the vertical pre-tightening rod is also provided with a bolt positioning hole matched with an external testing machine.
5. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 1 or 4, wherein: the vertical pre-tightening rod is also provided with a transverse pre-tightening rod which is convenient for rotating the vertical pre-tightening rod.
6. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 1, wherein: sawteeth for increasing friction are arranged on the surfaces of the clamping blocks, which are in contact with the fiber reinforced resin matrix composite plates.
7. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 1, wherein: the clamping seat is a wedge-shaped clamping seat, and the clamping block is a wedge-shaped clamping block.
8. The device for testing the tensile property of the fiber reinforced resin matrix composite board according to claim 7, wherein: the taper of the wedge-shaped clamping block is the same as that of the wedge-shaped clamping seat, and the contact surfaces of the wedge-shaped clamping block and the wedge-shaped clamping seat are smooth surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019255.7U CN210442195U (en) | 2019-07-01 | 2019-07-01 | Tensile property testing device for fiber reinforced resin matrix composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019255.7U CN210442195U (en) | 2019-07-01 | 2019-07-01 | Tensile property testing device for fiber reinforced resin matrix composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210442195U true CN210442195U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921019255.7U Active CN210442195U (en) | 2019-07-01 | 2019-07-01 | Tensile property testing device for fiber reinforced resin matrix composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210442195U (en) |
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- 2019-07-01 CN CN201921019255.7U patent/CN210442195U/en active Active
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