CN205333415U - Obsturator triaxial adds uninstallation destructive process test device - Google Patents

Obsturator triaxial adds uninstallation destructive process test device Download PDF

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Publication number
CN205333415U
CN205333415U CN201620062735.1U CN201620062735U CN205333415U CN 205333415 U CN205333415 U CN 205333415U CN 201620062735 U CN201620062735 U CN 201620062735U CN 205333415 U CN205333415 U CN 205333415U
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China
Prior art keywords
horizontal stress
stress
horizontal
obturator
pressure rod
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Expired - Fee Related
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CN201620062735.1U
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Chinese (zh)
Inventor
卢宏建
甘德清
张松林
梁鹏
张亚宾
李示波
陈超
孙光华
姚旭龙
刘志义
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North China University of Science and Technology
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North China University of Science and Technology
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Priority to CN201620062735.1U priority Critical patent/CN205333415U/en
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Publication of CN205333415U publication Critical patent/CN205333415U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

(B, ) the utility model relates to a mechanical test device, especially an obsturator triaxial adds uninstallation destructive process test device. Including the hydraulic power source, the press, the horizontal stress of arranging in on the press adds the uninstallation device, this horizontal stress adds the uninstallation device and includes horizontal stress reaction frame, perpendicular stress reaction plate, the horizontal stress pressure rod, universal clamp plate, horizontal stress reaction frame, perpendicular stress reaction frame is made by transparent material respectively, the competent stress pressure rod of horizontal stress reaction frame facial make -up, the one end of horizontal stress pressure rod is arranged in on the horizontal stress reaction frame, the other end of horizontal stress pressure rod is equipped with universal clamp plate, there is the clearance in universal clamp plate with the internal surface of horizontal stress reaction frame and the upper surface of perpendicular stress reaction plate. The utility model discloses can make whole experimentation visual, usable highspeed camera, non - contact stress measurement system observe the obsturator and add the crack growth of uninstallation in -process and destroy the characteristic at the triaxial. Experimental easy operation, it is with low costs. (B, )

Description

Obturator three axle adds unloading fracture process testing device
Technical field
This utility model relates to mechanical testing equipment, and particularly a kind of obturator three axle adds unloading fracture process testing device。
Background technology
Test is research one of obturator failure mechanism most efficient method, it was observed that experimental phenomena and the result of the test that obtains be the basis of research obturator failure mechanism。Three axles of current rock mass add the extraction of unloading fracture process testing data and have tended to ripe, but its experimentation is to carry out under not visible environment, it is necessary to coordinating the equipment such as acoustic emission, CT, carry out large sample test, process is complicated, and data processing work amount is big, cost height。
Utility model content
The purpose of this utility model is in that to provide a kind of simple in construction, and obturator three axle that can observe directly failure mechanism loads destructive process assay device。
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of obturator three axle loads destructive process assay device, including hydraulic power source, forcing press, the horizontal stress being placed on forcing press adds discharge mechanism, this horizontal stress adds discharge mechanism and includes horizontal stress reaction framework, vertical stress Sptting plate, horizontal stress pressure rod, universal pressing plate, horizontal stress reaction framework, vertical stress reaction frame is made up of transparent material respectively, horizontal stress reaction frame is placed on vertical stress reaction frame, equipped with horizontal stress pressure rod on horizontal stress reaction framework, one end of horizontal stress pressure rod is placed on horizontal stress reaction frame, the other end of horizontal stress pressure rod is equipped with universal pressing plate, there is gap in the upper surface of inner surface and vertical stress Sptting plate that universal pressing plate and horizontal stress react framework。
This utility model of technique scheme is compared with prior art, it is possible to make whole experimentation visual, and available high-speed camera, Non-contact strain measurement systematic observation obturator add the cracks can spread in uninstall process and destructive characteristics at three axles。
Preferred version of the present utility model is:
Horizontal stress reaction framework is rectangular frame structure;Horizontal stress pressure rod is set to two, is respectively placed in the same level of horizontal stress reaction two adjacent surfaces of framework。
Transparent material is safety glass。
The other end of horizontal stress pressure rod is hinged with universal pressing plate。
Space between two universal pressing plates is used for placing obturator reference block。
Two universal pressing plates are planar structure relative to the surface of filling reference block, and the lower surface of two universal pressing plates is distance vertical stress reaction frame 2mm respectively;The one side of two universal pressing plates is distance horizontal stress reaction frame 2mm respectively;Universal pressing plate deviates from filling reference block in protruding arc structure or ramp structure。
The upper surface of vertical stress Sptting plate is equipped with horizontal stress strengthening frame, and this rectangular triangular structure of horizontal stress strengthening frame, a right-angle side of this horizontal stress strengthening frame reacts the outer surface of framework and is connected with horizontal stress。
Vertical stress Sptting plate is in rectangular configuration。
Vertical stress Sptting plate is wait thick structure, and thickness is 19mm;Thick structure is respectively waited on four limits of horizontal stress reaction framework, and thickness is 19mm respectively。
Horizontal stress strengthening frame is wait thick structure, and thickness is 19mm。
Horizontal stress adds the horizontal stress that discharge mechanism is arranged below being placed on forcing press platform and adds unloading structure backing plate。
Obturator reference block be provided above load backing plate。
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model。
Fig. 2 is the schematic diagram that in Fig. 1, horizontal stress adds unloading structure backing plate。
Fig. 3 is the front view that horizontal stress adds discharge mechanism。
Fig. 4 is the top view of Fig. 3。
Detailed description of the invention
Below in conjunction with drawings and Examples in detail this utility model is described in detail:
A kind of obturator three axle adds unloading fracture process testing device, referring in accompanying drawing 1 to accompanying drawing 4, figure: horizontal stress strengthening frame 1, horizontal stress pressure rod 2, horizontal stress reaction framework 3, universal pressing plate 4, vertical stress Sptting plate 5, horizontal pressure force add unloading structure backing plate 6, reference block 7, horizontal stress add discharge mechanism 8, load backing plate 9, backing plate handle 10, forcing press 11, TT&C system 12, hydraulic power source 13, horizontal stress load cylinder 14, place region 15。
In the present embodiment, the reaction frame of forcing press 11 being provided with horizontal stress and adds discharge mechanism 8, forcing press 11 is connected with TT&C system 12, the employing TAW-3000 electro-hydraulic servo rock three-axis tester of forcing press 11。This horizontal stress adds discharge mechanism 8 and is made up of the vertical stress Sptting plate 5 of horizontal positioned, the horizontal stress reaction framework 3 etc. that is placed on vertical stress Sptting plate 5。
Horizontal stress reaction framework 3 is constituted rectangular frame structure by four pieces of risers, and two pieces of parallel correspondence equivalently-sized, and long and width is of a size of 150mm × 80mm and 188mm × 80mm。The outside of every piece of riser is respectively arranged with three pieces of horizontal stress strengthening frames 1, amounts to 12 pieces, and horizontal stress strengthening frame 1 is for waiting thick structure, and thickness is 19mm;This rectangular triangular structure of horizontal stress strengthening frame 1, two right-angle sides are of a size of 31mm × 80mm。One right-angle side of horizontal stress strengthening frame 1 reacts the outer surface of framework 3 and is connected with horizontal stress;Another right-angle side is connected with the upper surface of vertical stress Sptting plate 5。
Equipped with horizontal stress pressure rod 2 on horizontal stress reaction framework 3, horizontal stress pressure rod 2 is connected with horizontal stress load cylinder 14 by pipeline, and horizontal stress load cylinder 14 is connected with hydraulic power source 13。Horizontal stress pressure rod 2 is set to two, is respectively placed in the same level of horizontal stress reaction 3 two adjacent surfaces of framework, and two horizontal stress pressure rods 2 are in the perpendicular relation of same level。One end of horizontal stress pressure rod 2 is placed on horizontal stress reaction framework 3, and the other end of horizontal stress pressure rod 2 is equipped with universal pressing plate 4, and the upper surface of inner surface and vertical stress Sptting plate 5 that universal pressing plate 4 and horizontal stress react framework 3 exists gap。Space between two universal pressing plates 4 is used for placing obturator reference block 7, and reference block 7 is in cube structure。
Two universal pressing plates 4 are square-shaped planar structure relative to the surface of filling reference block, are made up of rigid material, are of a size of 70.7mm × 70.7mm。
The lower surface of two universal pressing plates is distance vertical stress reaction frame 2mm respectively;The one side of two universal pressing plates 4 respectively distance horizontal stress reaction frame 2mm(both sides distance not necessarily have to cited by this enforcement, as long as equidistant);Universal pressing plate 4 deviates from filling reference block in protruding arc structure or ramp structure;Protruding arc structure or ramp structure;The most significant end (foursquare center) of arc structure or ramp structure is provided with hemisphere jut, hemisphere jut is connected with the groove on the other end of horizontal stress pressure rod 2, hemisphere jut matches with groove, and the centre of gyration of hemisphere jut is provided with the connector being connected with endoporus on groove。
Horizontal stress reaction framework 3, vertical stress Sptting plate 5, horizontal stress strengthening frame 1 are made up of transparent material respectively, and transparent material is safety glass;Horizontal stress reaction framework 3 is placed on vertical stress reaction frame 5 and to react the upper surface of frame 5 perpendicular with vertical stress;Vertical stress Sptting plate 5 is for waiting thick structure, and thickness is 19mm;Length and the width of vertical stress reaction frame 5 are of a size of 250mm × 250mm。
Horizontal stress adds the horizontal stress that discharge mechanism 6 is arranged below being placed on forcing press platform and adds unloading structure backing plate 6;Horizontal stress adds unloading structure backing plate 6 can be placed as some layers, and horizontal stress adds the both sides of unloading structure backing plate 6 and is provided with backing plate handle 10, conveniently picks up。Horizontal stress adds unloading structure backing plate 6 for square block, is made up of rigid material, and thickness is 50mm, and long and width is 430mm。
Obturator reference block 7 be provided above load backing plate 9, load backing plate 9 be set to several;Loading backing plate 9 is square block, is made up of rigid material, and thickness is 10mm, and long and width is 70.7mm。
During test, ensure that horizontal stress charger 6 is placed on horizontal stress and adds on the placement region 15 that unloading structure backing plate 6 is specified, it is ensured that horizontal stress add unloading structure backing plate 6, reference block 7, load backing plate 9 and forcing press 11 press perpendicular head center point-blank。
During test, reference block 7 is positioned over two universal pressing plates 4, in space that vertical stress reaction plate 5, horizontal stress reaction frame 3 are constituted, horizontal stress pressure rod 2 connects horizontal stress load cylinder 14, and horizontal stress load cylinder 14 can separately provide the load of two 0 ~ 3MPa。Pressurizeed by horizontal stress load cylinder 14, by Stress control in a certain force value level set in advance, then utilize forcing press 11 to apply axial compressive force to reference block 7, finally realize three axle pressurizeds。
Experimentation of the present utility model is as follows:
1, according to Fig. 1,16 ~ 18 pieces of horizontal stresses are added unloading structure backing plate 6 to be placed on the reaction frame of forcing press 11。
, horizontal stress charger 8 be placed on horizontal stress add on the placement region 15 that unloading structure backing plate 6 is specified。
, the obturator reference block 7 of the 70.7mm × 70.7mm made × 70.7mm is put well, keep level。
, regulate horizontal stress pressure rod 2 and universal pressing plate 4, obturator reference block 7 is fixed。
, 10 ~ 12 pieces of obturators loaded backing plates 9 be placed in obturator reference block 7。
, adjust forcing press 11 axial pressure grease head highness, load backing plate 9 with obturator topmost and just contact and be advisable。
, external horizontal stress load cylinder 14 on horizontal stress pressure rod 2, adjust horizontal stress load cylinder 14 and apply stress value to scheduled pressure value。
, forcing press 11 work, adopt predetermined pressuring method to carry out axial pressure, until sample destroy。
, pressure process uses high-speed camera and Non-contact strain measurement system test block cracks can spread and process of deformation and failure are observed and record。
This utility model can make whole experimentation visual, and available high-speed camera, Non-contact strain measurement systematic observation obturator add the cracks can spread in uninstall process and destructive characteristics at three axles。Test operation is simple, and cost is low。
According to the equivalence change that this utility model scope is made, adopt other transparent material, make experimentation visually each fall within protection domain of the present utility model。

Claims (8)

1. obturator three axle loads destructive process assay device, including hydraulic power source, forcing press, the horizontal stress being placed on forcing press adds discharge mechanism, this horizontal stress adds discharge mechanism and includes horizontal stress reaction framework, vertical stress Sptting plate, horizontal stress pressure rod, universal pressing plate, it is characterized in that: horizontal stress reaction framework, vertical stress reaction frame is made up of transparent material respectively, horizontal stress reaction frame is placed on vertical stress reaction frame, equipped with horizontal stress pressure rod on horizontal stress reaction framework, one end of horizontal stress pressure rod is placed on horizontal stress reaction frame, the other end of horizontal stress pressure rod is equipped with universal pressing plate, there is gap in the upper surface of inner surface and vertical stress Sptting plate that universal pressing plate and horizontal stress react framework。
2. obturator three axle according to claim 1 loads destructive process assay device, it is characterised in that: horizontal stress reaction framework is rectangular frame structure;Horizontal stress pressure rod is set to two, is respectively placed in the same level of horizontal stress reaction two adjacent surfaces of framework。
3. obturator three axle according to claim 1 and 2 loads destructive process assay device, it is characterised in that: the other end of horizontal stress pressure rod is hinged with universal pressing plate。
4. obturator three axle according to claim 1 loads destructive process assay device, it is characterised in that: universal pressing plate is set to two, and the space between two universal pressing plates is used for placing obturator reference block。
5. obturator three axle according to claim 4 loads destructive process assay device, it is characterised in that: two universal pressing plates are planar structure relative to the surface of filling reference block, and the lower surface of two universal pressing plates is distance vertical stress reaction frame 2mm respectively;The one side of two universal pressing plates is distance horizontal stress reaction frame 2mm respectively;Universal pressing plate deviates from filling reference block in protruding arc structure or ramp structure。
6. obturator three axle according to claim 1 loads destructive process assay device, it is characterized in that: the upper surface of vertical stress Sptting plate is equipped with horizontal stress strengthening frame, this rectangular triangular structure of horizontal stress strengthening frame, a right-angle side of this horizontal stress strengthening frame reacts the outer surface of framework and is connected with horizontal stress。
7. obturator three axle according to claim 1 loads destructive process assay device, it is characterised in that: vertical stress Sptting plate is for waiting thick structure, and thickness is 19mm;Thick structure is respectively waited on four limits of horizontal stress reaction framework, and thickness is 19mm respectively;Horizontal stress strengthening frame is wait thick structure, and thickness is 19mm, is made up of fiberglass。
8. obturator three axle according to claim 1 loads destructive process assay device, it is characterised in that: horizontal stress adds the horizontal stress that discharge mechanism is arranged below being placed on testing machine platform and adds unloading structure backing plate;Obturator reference block be provided above load backing plate。
CN201620062735.1U 2016-01-22 2016-01-22 Obsturator triaxial adds uninstallation destructive process test device Expired - Fee Related CN205333415U (en)

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Application Number Priority Date Filing Date Title
CN201620062735.1U CN205333415U (en) 2016-01-22 2016-01-22 Obsturator triaxial adds uninstallation destructive process test device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424473A (en) * 2016-01-22 2016-03-23 华北理工大学 Backfill triaxial loading and unloading failure process test device and test method thereof
CN112034096A (en) * 2020-07-25 2020-12-04 西安科技大学 Detection device and method for migration of ion pollutants in filling paste pressure-bearing state

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424473A (en) * 2016-01-22 2016-03-23 华北理工大学 Backfill triaxial loading and unloading failure process test device and test method thereof
CN112034096A (en) * 2020-07-25 2020-12-04 西安科技大学 Detection device and method for migration of ion pollutants in filling paste pressure-bearing state
CN112034096B (en) * 2020-07-25 2024-03-12 西安科技大学 Detection device and method for migration of ionic pollutants in pressure-bearing state of filling paste

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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: 20160622

Termination date: 20190122