CN204882240U - A test device that is used for test piece to press cutting experiment - Google Patents

A test device that is used for test piece to press cutting experiment Download PDF

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Publication number
CN204882240U
CN204882240U CN201520512213.2U CN201520512213U CN204882240U CN 204882240 U CN204882240 U CN 204882240U CN 201520512213 U CN201520512213 U CN 201520512213U CN 204882240 U CN204882240 U CN 204882240U
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CN
China
Prior art keywords
test
test specimen
bracket
shear
test piece
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520512213.2U
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Chinese (zh)
Inventor
袁康
郭军林
白宏思
张玲玲
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Shihezi University
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Shihezi University
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Priority to CN201520512213.2U priority Critical patent/CN204882240U/en
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Publication of CN204882240U publication Critical patent/CN204882240U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a test device that is used for test piece to press cutting experiment, including being used for applying vertical load's pressure device and the shearing loading device who is used for applying transverse shear load to the test piece to the test piece, pressure device is provided with the pressure head and is located the work platform below the pressure head, test device is still including the bracket that is used for holding up the test piece with cut loading device, the mobilizable setting of bracket is and this bracket is located the below of pressure head on pressure device's work platform, it fixes on the bracket to cut loading device, be equipped with on the bracket and be used for fixing the positioner on the bracket with the test piece, be equipped with the roll packer that is used for reducing test piece lateral shifting resistance between pressure head and the test piece. The utility model discloses a subsized specimen is pressed and to be cut experimental device, utilizes current uni -directional pressure device, can be simultaneously to test piece loading compression load and shear -type load, simple structure, with low costs, easy operation, the range of application is wide.

Description

A kind of test unit for test specimen compression-shear test
Technical field
The utility model relates to mechanical testing equipment, is specifically related to a kind of test unit for compression-shear test.
Background technology
In scientific research and testing, in order to obtain some research index, usually need to apply two-way load to test specimen, such as: in masonry structure, the shearing strength under different compressive stress of masonry, in anti-seismic structure, the horizontal shear intensity etc. of shake layer under different compressive stress is cut in slippage, all needs load test specimen being applied to different directions.At present, because the device of biaxial loadings is expensive, body is large, and complex operation, tests consuming time longer, and most colleges and universities and scientific research institutions have all only purchased unidirectional charger (as: pressing machine).
Summary of the invention
In view of this, the purpose of this utility model is to provide the pressure being applicable to test specimen compression-shear test to cut device, and this device utilizes existing unidirectional charger to combine, and volume is little, and cost is low, simple to operate, applied range.
The purpose of this utility model is achieved through the following technical solutions:
A kind of test unit for test specimen compression-shear test, comprise for applying the pressure apparatus of vertical load and the shearing charger for applying lateral shear load to test specimen to test specimen, described pressure apparatus is provided with pressure head and is positioned at the workbench below pressure head, it is characterized in that: described test unit also comprises the bracket for holding up test specimen and shearing charger, on the workbench that described bracket is movably arranged on pressure apparatus and this bracket is positioned at the below of pressure head, described shearing charger is fixed on bracket, described bracket is provided with the locating device for being fixed on by test specimen on bracket, the roll packer for reducing test specimen transverse shifting resistance is provided with between described pressure head and test specimen.
Further, described pressure apparatus is pressing machine.
Further, described shearing charger is hydraulic jack.
Further, described locating device comprises and is arranged on baffle plate on bracket and for test specimen being fixed on the chock in baffle plate.
Further, the described roll packer ball that comprises top board, base plate and be evenly arranged between top board and base plate.
Further, the force snesor for measuring shear-type load numerical value is provided with between described shear-type load device and test specimen.
Further, the backing plate I for making shear-type load stepless action on test specimen is provided with between described shearing charger and test specimen.
Further, described bracket is provided with and makes described shearing charger be pressed on pressure plare on test specimen.
Further, described pressure plare is arranged on bracket surrounding and forms body structure with bracket.
The beneficial effects of the utility model are:
The device of subsized specimen compression-shear test of the present utility model, utilizes existing uniaxial pressure device, and can load compressive load and shear-type load to test specimen, structure is simple, cost is low, simple to operate, applied range simultaneously.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the present embodiment.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only in order to the utility model is described, instead of in order to limit protection domain of the present utility model.
As shown in the figure, test unit for test specimen compression-shear test of the present utility model, comprise the pressure apparatus for applying vertical load to test specimen 5 and the shearing charger for applying lateral shear load to test specimen 5, in the present embodiment, pressure apparatus is pressing machine, shearing charger is hydraulic jack 8, the workbench 1 that pressing machine is provided with pressure head 2 and is positioned at below pressure head 2, the test unit of the present embodiment also comprise for hold up test specimen 5 with the bracket 3 of hydraulic jack 8, on the workbench that bracket 3 is movably arranged on pressure apparatus on 1, bracket 3 is positioned at the below of pressure head 2, hydraulic jack 8 is fixed on bracket 3, bracket 3 is provided with the locating device for being fixed on by test specimen on bracket 3, the roll packer 10 for reducing test specimen 5 transverse shifting resistance is provided with between described pressure head 2 and test specimen 5.When testing, bracket 3 to be placed on workbench 1, by pressure head 2, test specimen 5 and bracket 3 are pressed on workbench 1, now, specified vertical load is applied to test specimen by pressing machine, pushed up by oil jack 8 and apply horizontal shear-type load to test specimen 5, by regulating the stroke adjustment shear-type load size of hydraulic jack 8; After having tested, only need mobile working platform 1 just can make bracket 3 and the test specimen 5 be arranged on bracket 3 and hydraulic jack 8 movement jointly thereupon.When only needing to carry out uniaxial pressure test, mobile bracket 3 makes it to leave worktable, makes the test specimen 5 on bracket 3 and hydraulic jack 8 leave worktable thereupon, is then placed on by the test specimen of single pass test on workbench 1 and can carries out uniaxial pressure test.
In the present embodiment, locating device comprises and is fixedly installed on baffle plate 7 on bracket 3 and for test specimen being fixed on the chock 6 in baffle plate.This locating device, can make can not move on bracket 3 bottom test specimen 5, along with lateral shear load increases, test specimen 5 can produce transversal displacement, until test specimen 5 ruptures.
In the present embodiment, roll packer 10 comprises the ball that described roll packer comprises top board, base plate and is evenly arranged between top board and base plate.During test, top board, ball, base plate are pressed on test specimen 5 by pressure head 2 successively, vertical pressure is acted on test specimen uniformly by base plate, and lateral shear load acts on test specimen 5, makes test specimen 5 upper end that transversal displacement occur, now, ball rolls between top board and base plate, and top board and base plate also relative displacement occur, and coordinates because ball and top board and base plate are to roll, it also reduce the resistance of test specimen 5 transverse shifting, make test result more accurate.
The test unit of the present embodiment, is combined by existing unidirectional charger, can apply bidirectional load, and structure is simple, easy to operate, applied range.
In the present embodiment, between hydraulic jack 8 and test specimen, be also provided with the force snesor 9 for measuring shear-type load numerical value, can Measurement accuracy shear-type load numerical value.
As the improvement of the present embodiment, being provided with the backing plate I 11 for making shear-type load stepless action on test specimen between hydraulic jack 8 and test specimen 5, making test figure more accurate.
As the improvement of the present embodiment, state bracket 3 and be provided with and make hydraulic jack 8 be pressed on pressure plare 4 on test specimen 5.During test, hydraulic jack 8 two ends contact with pressure plare 4 with test specimen 5 respectively, regulate the stroke of hydraulic jack 8, it can be made to be pressed between test specimen 5 and baffle plate 4, and apply lateral shear load to test specimen 5.Now, hydraulic jack 8 is vertically held up by bracket 3, and laterally compressed by test specimen 5 and baffle plate 4, hydraulic jack 8 is indirectly fixed on bracket 3; In concrete implementation process, also pressure plare 4 can not be set, directly hydraulic jack 8 be fixed on bracket 3, regulate the stroke of hydraulic jack 8, apply lateral shear load to test specimen 5.In the present embodiment, test operation person and test specimen can also isolate by pressure plare 4, and pressure plare 4 can be arranged on bracket 3 side, and surrounding and the bracket 3 that also can be arranged on bracket 3 form body structure, when shear-type load is excessive, test specimen can be avoided to eject personal injury is caused to operator.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.

Claims (9)

1. the test unit for test specimen compression-shear test, comprise for applying the pressure apparatus of vertical load and the shearing charger for applying lateral shear load to test specimen to test specimen, described pressure apparatus is provided with pressure head and is positioned at the workbench below pressure head, it is characterized in that: described test unit also comprises the bracket for holding up test specimen and shearing charger, on the workbench that described bracket is movably arranged on pressure apparatus and this bracket is positioned at the below of pressure head, described shearing charger is fixed on bracket, described bracket is provided with the locating device for being fixed on by test specimen on bracket, the roll packer for reducing test specimen transverse shifting resistance is provided with between described pressure head and test specimen.
2. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: described pressure apparatus is pressing machine.
3. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: described shearing charger is hydraulic jack.
4. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: described locating device comprises and is arranged on baffle plate on bracket and for test specimen being fixed on the chock in baffle plate.
5. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: the ball that described roll packer comprises top board, base plate and is evenly arranged between top board and base plate.
6. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: be provided with the force snesor for measuring shear-type load numerical value between described shear-type load device and test specimen.
7. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: be provided with the backing plate I for making shear-type load stepless action on test specimen between described shearing charger and test specimen.
8. the test unit for test specimen compression-shear test according to claim 1, is characterized in that: described bracket is provided with and makes described shearing charger be pressed on pressure plare on test specimen.
9. the test unit for test specimen compression-shear test according to claim 8, is characterized in that: described pressure plare is arranged on bracket surrounding and forms body structure with bracket.
CN201520512213.2U 2015-07-15 2015-07-15 A test device that is used for test piece to press cutting experiment Expired - Fee Related CN204882240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520512213.2U CN204882240U (en) 2015-07-15 2015-07-15 A test device that is used for test piece to press cutting experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520512213.2U CN204882240U (en) 2015-07-15 2015-07-15 A test device that is used for test piece to press cutting experiment

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973713A (en) * 2016-06-28 2016-09-28 浙江理工大学 Solid garbage deformation and intensity related tester
CN106153476A (en) * 2016-08-09 2016-11-23 宁波中加低碳新技术研究院有限公司 Timber rolls modulus of shearing and the method for testing of intensity
CN106872291A (en) * 2017-03-03 2017-06-20 浙江大学 Masonry cuts pressure device and masonry cuts pressure composite testing method
CN108152150A (en) * 2017-12-08 2018-06-12 重庆工程职业技术学院 Rock staight scissors compressometer
CN109142062A (en) * 2018-10-26 2019-01-04 镇江龙成绝缘材料有限公司 A kind of polyimide molding part tube body bursting stress experimental rig and its application
CN110726626A (en) * 2019-11-26 2020-01-24 西南交通大学 Interlaminar shear fatigue test device and method for testing interlaminar shear fatigue
CN111595679A (en) * 2020-06-18 2020-08-28 大连理工大学 Experimental device and method for carrying out pull-shear combined loading on embedded pressing block
CN114397186A (en) * 2022-01-16 2022-04-26 李成虎 Test device for combined action of normal pressure and other loads of composite material laminated plate

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973713A (en) * 2016-06-28 2016-09-28 浙江理工大学 Solid garbage deformation and intensity related tester
CN105973713B (en) * 2016-06-28 2018-11-23 浙江理工大学 A kind of deformation of solid refuse and intensity related assays instrument
CN106153476A (en) * 2016-08-09 2016-11-23 宁波中加低碳新技术研究院有限公司 Timber rolls modulus of shearing and the method for testing of intensity
CN106872291A (en) * 2017-03-03 2017-06-20 浙江大学 Masonry cuts pressure device and masonry cuts pressure composite testing method
CN108152150A (en) * 2017-12-08 2018-06-12 重庆工程职业技术学院 Rock staight scissors compressometer
CN108152150B (en) * 2017-12-08 2019-12-13 重庆工程职业技术学院 Rock direct shear compression instrument
CN109142062A (en) * 2018-10-26 2019-01-04 镇江龙成绝缘材料有限公司 A kind of polyimide molding part tube body bursting stress experimental rig and its application
CN110726626A (en) * 2019-11-26 2020-01-24 西南交通大学 Interlaminar shear fatigue test device and method for testing interlaminar shear fatigue
CN111595679A (en) * 2020-06-18 2020-08-28 大连理工大学 Experimental device and method for carrying out pull-shear combined loading on embedded pressing block
CN111595679B (en) * 2020-06-18 2021-10-15 大连理工大学 Experimental device and method for carrying out pull-shear combined loading on embedded pressing block
CN114397186A (en) * 2022-01-16 2022-04-26 李成虎 Test device for combined action of normal pressure and other loads of composite material laminated plate

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216

Termination date: 20200715