CN203455226U - Fixture for tensile test of waterproof roll - Google Patents
Fixture for tensile test of waterproof roll Download PDFInfo
- Publication number
- CN203455226U CN203455226U CN201320607337.XU CN201320607337U CN203455226U CN 203455226 U CN203455226 U CN 203455226U CN 201320607337 U CN201320607337 U CN 201320607337U CN 203455226 U CN203455226 U CN 203455226U
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- cam
- rotating shaft
- waterproof roll
- crank
- tensile test
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Abstract
The utility model discloses a fixture for a tensile test of a waterproof roll, and belongs to the technical field of tests of waterproof rolls. The fixture comprises a rotary compaction mechanism, two support bases, a bottom plate and a pull rod, wherein the rotary compaction mechanism comprises a cam crank, a cam and a rotating shaft, a crank handle is arranged at one end of the cam crank, the other end of the cam crank is fixedly connected with the cam, the cam is of a column body structure, the cross section of the cam is elliptical, the cam is sleeved on the exterior of the rotating shaft, the cam crank drives the cam to rotate by taking the rotating shaft as an axis, the bottom plate is of a cuboid plate-shaped structure, one end of the bottom plate is fixedly connected with the pull rod, the two support bases are fixedly connected to the left end and right end of the same side surface of the bottom plate, through holes are formed in the two support bases, the diameter of the rotating shaft is equal to the pore diameter of each through hole, and the rotating shaft is fixedly connected with the two support bases through the through holes. According to the fixture, the waterproof roll can be accurately clamped in the tensile test without sliding, and further the force measuring precision of a waterproof roll test piece is improved.
Description
Technical field
The utility model relates to waterproof roll experimental technique field, more particularly, relates to a kind of waterproof roll tensile test fixture.
Background technology
Waterproof roll be a kind of by ground paper or fabric, be tire base, the rolling waterproof material forming through dip-coating pitch or other synthetic high polymer waterproof materials.Being mainly used in construction wall, roofing, tunnel, highway, refuse landfill etc. locates, play the effect of resisting extraneous rainwater, ground water seepage, the first barrier being connected as ne-leakage between engineering foundation and buildings, plays vital effect to whole engineering.
Waterproof roll is except requiring it to have enhanced water resistance, and its performance is substantially constant in the effect of water and after being flooded profit, under the pressure of water, has outside watertightness, also needs to have temperature stability, at high temperature do not trickle, non-foaming, do not slide; Not embrittlement under low temperature; Physical strength, extensibility and resistance to fracture, do not rupture bearing under building structure allowed band internal loading stress and deformation condition; Pliability and anti-aging and corrosion resistance.
Conventionally, can carry out tensile test to waterproof roll, with the tensile strength of testing water-proof coiled material.Yet, when carrying out waterproof roll tensile test, mostly existing method is with a kind of flat port fixture clamping waterproof roll, with this fixture waterproof roll test specimen, stressed, be just held gradually afterwards, and because waterproof roll is flexible material, during clamping, easily skid, above-mentioned situation has affected measuring accuracy to a great extent.
Through retrieval, existing open to the clamping scheme of flexible material at present, as Chinese Patent Application No. 201120152847.3, the applying date is on May 13rd, 2011, invention and created name is: a kind of for testing the fixture of tensile strength of flexible material with circular section, this application case relates to a kind of for testing the fixture of tensile strength of flexible material with circular section, flexible material on the tie down screw center of position at half-arc groove that be fastened, the be fastened left side of position of flexible material is setting-up piece, be fastened the right of position of flexible material is compress gasket, the wing nut tie down screw that is connected, clamp body lower end joint test machine web joint, the both sides, lower end of testing machine web joint are fixed by testing machine chuck.This application case has been filled up the defect that existing testing machine is not equipped with clamping test tensile strength of flexible material with circular section fixture, flexible material with circular section that can clamping 0.1 ~ 25 mm dia; Employing, around the tie down screw flexible material that is fastened, utilizes half-arc groove circular arc locking flexible material during stretching.But this application case complex structure, and the clamping that is not suitable for waterproof roll is fixed.
Summary of the invention
1. the technical matters that utility model will solve
The purpose of this utility model is to overcome existing waterproof roll tensile test can not be by the fine deficiency gripping of waterproof roll test specimen with fixture, a kind of waterproof roll tensile test fixture is provided, use the technical solution of the utility model, can realize waterproof roll and accurately clamp when tensile test, non-slip.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of waterproof roll tensile test fixture of the present utility model, comprise rotary pressing mechanism, bearing, base plate and pull bar, described rotary pressing mechanism comprises cam crank, cam and rotating shaft, described cam crank one end is provided with crank handle, and the other end of this cam crank is connected mutually with cam; Described cam is column structure, and the xsect of this cam is oval, and cam is set in rotating shaft outside, and described cam crank band moving cam be take rotating shaft as axle rotation; Described base plate is rectangular parallelepiped platy structure, and one end of this base plate is connected mutually with pull bar; Described bearing is provided with two, and two bearings are fixed on the two ends, left and right of base plate same side, and all has through hole on two bearings, and the diameter of described rotating shaft and the aperture of through hole are harmonious, and rotating shaft is connected mutually by this through hole and two bearings.
Preferably, cam and the rotating shaft of described rotary pressing mechanism are fixed with one by keyway, and rotating shaft is flexibly connected with two bearings by through hole, and described cam crank band moving cam rotates together with rotating shaft.
As the utility model, further improve, on described crank handle, be provided with screw thread.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compares with existing known technology, has following beneficial effect:
(1) a kind of waterproof roll tensile test fixture of the present utility model, the xsect of its cam is oval, before tensile test starts, can rotate by cam crank band moving cam, waterproof roll test specimen firm grip, between cam and base plate, has been overcome to the defect of flat port fixture clamping waterproof roll test specimen, can realize waterproof roll test specimen and accurately clamp when tensile test, non-slip, and then the dynamometry precision of raising waterproof roll test specimen;
(2) a kind of waterproof roll tensile test fixture of the present utility model, simple in structure, easy to use, work efficiency is high, has good value for applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of fixture for a kind of waterproof roll tensile test of the present utility model;
Fig. 2 is the left view of test fixture shown in Fig. 1;
Fig. 3 is the structural representation of rotary pressing mechanism in the utility model.
Label declaration in schematic diagram:
1, cam crank; 2, bearing; 3, cam; 4, rotating shaft; 5, base plate; 6, pull bar.
Embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of waterproof roll tensile test fixture of the present embodiment, comprise rotary pressing mechanism, bearing 2, base plate 5 and pull bar 6, described rotary pressing mechanism comprises cam crank 1, cam 3 and rotating shaft 4, described cam crank 1 one end is provided with crank handle, in the present embodiment, on crank handle, be provided with screw thread, make crank handle there is skidproof effect better.The other end of this cam crank 1 is connected mutually with cam 3.Described cam 3 is column structure, and the xsect of this cam 3 is oval, and cam 3 is set in rotating shaft 4 outsides, and described cam crank 1 band moving cam 3 be take rotating shaft 4 as axle rotation.Described base plate 5 is rectangular parallelepiped platy structure, the long 60mm of base plate 5 in the present embodiment, wide 40mm.One end of base plate 5 is connected mutually with pull bar 6.Described bearing 2 is provided with two, two bearings 2 are fixed on the two ends, left and right of base plate 5 same sides, and all have through hole on two bearings 2, and the described diameter of rotating shaft 4 and the aperture of through hole are harmonious, rotating shaft 4 is connected mutually by this through hole and two bearings 2, and cam 3 is arranged between two bearings 2.
During actual use, waterproof roll test specimen is positioned in the space between cam 3 and base plate 5, then by oscillating cam crank 1 band moving cam 3, rotate up or down, by waterproof roll test specimen firm grip between cam 3 and base plate 5, the present embodiment has overcome the defect of flat port fixture clamping waterproof roll test specimen, can realize waterproof roll test specimen accurately clamps when tensile test, non-slip, after clamping has operated, to the pull bar 6 being connected mutually with base plate 5 one end, apply a pulling force again, just can start the tensile test to waterproof roll.
A kind of waterproof roll tensile test fixture of the present embodiment, basic structure is with embodiment 1, its difference is: cam 3 and the rotating shaft 4 of described rotary pressing mechanism are fixed with one by keyway, rotating shaft 4 is flexibly connected with two bearings 2 by through hole, and described cam crank 1 band moving cam 3 rotates together with rotating shaft 4.
A kind of waterproof roll tensile test fixture of above-described embodiment, can realize waterproof roll and accurately clamp when tensile test, non-slip, and then the dynamometry precision of raising waterproof roll test specimen, and simple in structure, easy to use, work efficiency is high, has good value for applications.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (3)
1. a waterproof roll tensile test fixture, comprise bearing (2), base plate (5) and pull bar (6), it is characterized in that: also comprise rotary pressing mechanism, described rotary pressing mechanism comprises cam crank (1), cam (3) and rotating shaft (4), described cam crank (1) one end is provided with crank handle, and the other end of this cam crank (1) is connected mutually with cam (3); Described cam (3) is column structure, and the xsect of this cam (3) is oval, and cam (3) is set in rotating shaft (4) outside, and described cam crank (1) band moving cam (3) be take rotating shaft (4) as axle rotation; Described base plate (5) is rectangular parallelepiped platy structure, and one end of this base plate (5) is connected mutually with pull bar (6); Described bearing (2) is provided with two, two bearings (2) are fixed on the two ends, left and right of base plate (5) same side, and all have through hole on two bearings (2), the diameter of described rotating shaft (4) and the aperture of through hole are harmonious, and rotating shaft (4) is connected mutually by this through hole and two bearings (2).
2. a kind of waterproof roll tensile test fixture according to claim 1, it is characterized in that: the cam of described rotary pressing mechanism (3) and rotating shaft (4) are fixed with one by keyway, and rotating shaft (4) is flexibly connected with two bearings (2) by through hole, described cam crank (1) band moving cam (3) and rotating shaft (4) are rotated together.
3. a kind of waterproof roll tensile test fixture according to claim 2, is characterized in that: on described crank handle, be provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607337.XU CN203455226U (en) | 2013-09-29 | 2013-09-29 | Fixture for tensile test of waterproof roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607337.XU CN203455226U (en) | 2013-09-29 | 2013-09-29 | Fixture for tensile test of waterproof roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455226U true CN203455226U (en) | 2014-02-26 |
Family
ID=50135092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320607337.XU Expired - Lifetime CN203455226U (en) | 2013-09-29 | 2013-09-29 | Fixture for tensile test of waterproof roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455226U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116550A (en) * | 2015-10-16 | 2015-12-02 | 范含波 | Medical plate reading device capable of realizing noise-reducing and shockproof effects |
| CN106483015A (en) * | 2015-10-30 | 2017-03-08 | 苏州中正工程检测有限公司 | A kind of waterproof roll tensile tester |
| CN108088740A (en) * | 2017-11-16 | 2018-05-29 | 六安市盛达防水材料科技有限公司 | A kind of waterproof roll tensile tester |
-
2013
- 2013-09-29 CN CN201320607337.XU patent/CN203455226U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116550A (en) * | 2015-10-16 | 2015-12-02 | 范含波 | Medical plate reading device capable of realizing noise-reducing and shockproof effects |
| CN106483015A (en) * | 2015-10-30 | 2017-03-08 | 苏州中正工程检测有限公司 | A kind of waterproof roll tensile tester |
| CN108088740A (en) * | 2017-11-16 | 2018-05-29 | 六安市盛达防水材料科技有限公司 | A kind of waterproof roll tensile tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |