CN103196751A - Rock strength testing device - Google Patents

Rock strength testing device Download PDF

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Publication number
CN103196751A
CN103196751A CN201310057468XA CN201310057468A CN103196751A CN 103196751 A CN103196751 A CN 103196751A CN 201310057468X A CN201310057468X A CN 201310057468XA CN 201310057468 A CN201310057468 A CN 201310057468A CN 103196751 A CN103196751 A CN 103196751A
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CN
China
Prior art keywords
crossbeam
upward pressure
contact
pressure contact
proving installation
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Pending
Application number
CN201310057468XA
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Chinese (zh)
Inventor
崔振东
刘大安
牛晶蕊
王洪建
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Institute of Geology and Geophysics of CAS
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Institute of Geology and Geophysics of CAS
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Application filed by Institute of Geology and Geophysics of CAS filed Critical Institute of Geology and Geophysics of CAS
Priority to CN201310057468XA priority Critical patent/CN103196751A/en
Publication of CN103196751A publication Critical patent/CN103196751A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of experimental apparatuses, especially to a rock strength testing device. The rock strength testing device comprises a base, a crossbeam and two columns, wherein the two columns are vertically fixed on the base, the crossbeam is vertically connected with the two columns, the base is provided with a pressure applying unit, a lower pressure contact is arranged on the pressure applying unit and points to the crossbeam, and the crossbeam is movably connected with at least one upper pressure contact which points to the base. The rock strength testing device provided by the invention can realize rock mechanical strength test of a rock sample on a coring site in a plurality of modes.

Description

The rock strength proving installation
Technical field
The present invention relates to the experimental provision technical field, particularly a kind of rock strength proving installation.
Background technology
The drilling extracting core scene need be carried out the mechanical strength test to the rock specimens of gathering.
In the correlation technique, get the core scene, utilizing the point load instrument that the rock specimens of gathering is carried out on-the-spot mechanical strength test.When rock specimens being carried out mechanical strength when test getting the core scene, mainly carry out point-to-point mechanical strength and test by being fixedly connected on a upward pressure contact on the point load instrument, the downforce contact relative with the upward pressure contact and device for exerting.
But the point load instrument can only carry out on-the-spot point-to-point rock mechanics strength test to rock specimens, and test mode is more single.
Summary of the invention
The present invention aims to provide the rock strength proving installation, to address the above problem.
In order to solve this technical problem, the embodiment of the invention is achieved in that the rock strength proving installation, comprising: pedestal, crossbeam and two columns;
Two described column vertical fixing are in described pedestal; Described crossbeam and two described columns are vertical the connection all;
Also be provided with device for exerting on the described pedestal, described device for exerting is provided with the downforce contact, and described downforce contact points to described crossbeam;
Be connected with at least one upward pressure contact on the described crossbeam, and described upward pressure contact points to described pedestal.
Preferably, be connected with at least one upward pressure contact on the described crossbeam, comprise:
Described crossbeam is provided with groove, and the penetration direction of described groove is vertical with the length direction of described crossbeam, and the penetration direction of described groove is parallel with the length direction of described column;
Be connected with at least one described upward pressure contact at described groove.
Preferably, described upward pressure contact is movably connected on the described groove by bolt.
Preferably, the quantity of described upward pressure contact is one;
The dead in line of the axis of described upward pressure contact and described downforce contact.
Preferably, the quantity of described upward pressure contact is two;
Two described upward pressure contacts are symmetrically distributed in the both sides of described downforce contact centered by described downforce contact.
Preferably, all be connected with an auxiliary support plate on each described column;
Described auxiliary support plate is between described crossbeam and described pedestal.
Preferably, described auxiliary support plate comprises a plurality of sub-auxiliary support plates;
A plurality of described sub-auxiliary support plates are hinged successively by articulated elements.
Preferably, further comprise: scale;
Described scale is fixed on the described crossbeam along the length direction of described crossbeam.
Preferably, described crossbeam and two described columns are vertical the connection all, comprising:
Described crossbeam is by caging bolt and all vertical flexible connections of two described columns.
Preferably, further comprise: data transducer; Described data transducer is between described downforce contact and described device for exerting.
By rock strength proving installation provided by the invention, can reach following beneficial effect:
Rock strength proving installation of the present invention is connected to form supporting structure by pedestal, crossbeam and two columns, and described supporting structure has the support fixation effect.The pedestal of rock strength proving installation is provided with device for exerting, and described device for exerting is provided with the downforce contact.Be connected with at least one upward pressure contact at crossbeam in addition, be to flexibly connect a upward pressure contact on the crossbeam also can flexibly connect a plurality of upward pressure contacts, realize rock specimens is carried out the mechanical strength test of multiple mode by the quantity that increases or reduce the upward pressure contact.For example flexibly connect a upward pressure contact at crossbeam, by realizing upward pressure contact and cooperating of downforce contact the point-to-point mechanical strength test to rock specimens; For example flexibly connect two upward pressure contacts at crossbeam again, by the test that can realize the three-point bending strength of rock specimens that cooperates between two upward pressure contacts and the downforce contact.Therefore rock strength proving installation of the present invention, having solved the point load instrument in the correlation technique can only carry out on-the-spot point-to-point rock mechanics strength test, the technical matters that test mode is more single to rock getting the core scene.
Description of drawings
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional structure synoptic diagram of the embodiment of the invention 1 rock strength proving installation;
Fig. 2 is equipped with the sectional structure synoptic diagram of two upward pressure contacts for the embodiment of the invention 2 rock strength proving installations;
Fig. 3 is equipped with the sectional structure synoptic diagram that a upward pressure goes out contact for the embodiment of the invention 2 rock strength proving installations.
Description of drawings: 1-crossbeam, 2-upward pressure contact, 3-downforce contact, 4-device for exerting, 5-column, 6-auxiliary support plate, the saturating groove of 7-, 8-bolt, 9-rock specimens, 10-data transducer, 11-caging bolt, 12-pedestal.
Embodiment
Below with reference to accompanying drawing the technical scheme of various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
Embodiment 1
Present embodiment 1 provides a kind of rock strength proving installation, and as shown in Figure 1, described rock strength proving installation comprises: pedestal 12, crossbeam 1 and two columns 5;
Two column 5 vertical fixing are in pedestal 12; Crossbeam 1 and two columns 5 are vertical the connection all.
Be connected to form supporting structure by pedestal 12, crossbeam 1 and two columns 5.
Also be provided with device for exerting 4 on the pedestal 12, device for exerting 4 is provided with downforce contact 3, and downforce contact 3 points to crossbeam 1;
Be connected with at least one upward pressure contact 2 on the crossbeam 1, and upward pressure contact 2 points to pedestal 12.
Wherein upward pressure contact 2 has multiple with the mode that crossbeam 1 flexibly connects, for example at crossbeam 1 a plurality of screws are set, at the screw thread that the link setting of upward pressure contact 2 cooperates with described screw, the screw thread of upward pressure contact 2 cooperates with screw on the crossbeam 1 realizes that upward pressure contact 2 is movably connected on the crossbeam 1.
The rock strength proving installation of present embodiment, because be connected with at least one upward pressure contact 2 at crossbeam 1, the quantity of upward pressure contact 2 can be regulated, be to flexibly connect a upward pressure contact 2 on the crossbeam 1 also can flexibly connect a plurality of upward pressure contacts 2, realize rock specimens 9 is carried out the mechanical strength test of multiple mode by the quantity that increases or reduce upward pressure contact 2.For example flexibly connect a upward pressure contact 2 at crossbeam, by realizing upward pressure contact 2 and cooperating of downforce contact 3 the point-to-point mechanical strength test to rock specimens 9; For example flexibly connect two upward pressure contacts 2 at crossbeam again, by the test that can realize the three-point bending strength of rock specimens 9 that cooperates between two upward pressure contacts 2 and the downforce contact 3.Therefore rock strength proving installation of the present invention, having overcome the point load instrument in the correlation technique can only carry out on-the-spot point-to-point rock mechanics strength test, the technical matters that test mode is more single to rock getting the core scene.
Embodiment 2
Present embodiment 2 provides a kind of rock strength proving installation on the basis of embodiment 1, as shown in Figures 2 and 3, described rock strength proving installation comprises pedestal 12, crossbeam 1 and two columns 5.
Two column 5 vertical fixing are in pedestal 12; Crossbeam 1 and two columns 5 are vertical the connection all;
Wherein, crossbeam 1 and two columns 5 are vertical the connection all, comprise: crossbeam 1 is by caging bolt 11 and all vertical flexible connections of two columns 5, by caging bolt 11 position of crossbeam 1 on column 5 can be regulated, the shape and the size that are conducive to the rock specimens 9 of adaptive testing make described rock strength proving installation can test the rock specimens 9 of difformity and size.
In addition, pedestal 12, crossbeam 1 and two columns 5 be connected to form supporting structure, the supporting structure of formation mainly plays the support fixation effect.
Also be provided with device for exerting 4 on the pedestal 12 in addition, device for exerting 4 is provided with downforce contact 3, and downforce contact 3 points to crossbeam 1;
Be connected with at least one upward pressure contact 2 on the crossbeam 1, and upward pressure contact 2 points to pedestal 12.
Realize rock specimens 9 is carried out relevant mechanical strength test by downforce contact 3 and the cooperation of at least one upward pressure contact 2.
Particularly, upward pressure contact 2 is identical with the structure of downforce contact 3, include columned contact body, end in cylindric contact body extends to form the end of exerting pressure, and the exert pressure axis of end and the dead in line of cylindric contact body, therefore the axis of the axis of cylindric contact body and the end of exerting pressure is the axis of pressure contact.
Unlike the prior art, the upward pressure contact 2 of present embodiment is not to be fixedly connected on the crossbeam 1, but is movably connected on the crossbeam 1.
In order to realize that upward pressure contact 2 is movably connected on the crossbeam 1, the crossbeam 1 of present embodiment is provided with groove 7, and the penetration direction of saturating groove 7 is vertical with the length direction of crossbeam 1, and the penetration direction of saturating groove 7 is parallel with the length direction of column 5; Be connected with at least one upward pressure contact 2 at saturating groove 7, so the quantity of upward pressure contact 2 can increase or reduce according to the mode of mechanical strength test.
Wherein, upward pressure contact 2 the mode on the groove 7 of being movably connected in has multiple, and for example, upward pressure contact 2 is movably connected on the groove 7 by bolt 8.
Particularly, upward pressure contact 2 by a kind of implementation that bolt 8 is movably connected on the groove 7 is, axis direction along upward pressure contact 2, cylindric contact body at upward pressure contact 2 arranges screw, utilizes the bolt 8 that cooperates with described screw that upward pressure contact 2 is movably connected on the groove 7.
In addition, realization with upward pressure contact 2 be movably connected on the groove 7 mode can also for, the cylindric contact body of upward pressure contact 2 form threaded body away from an end that points to end, described threaded body passes groove 7 and is movably connected on the groove 7 by nut.
When using described rock pressure proving installation, carry out the test of rock specimens 9 mechanical strengths getting the core scene, can realize different mechanical strength tests by the quantity that upward pressure contact 2 is set.
As shown in Figure 2, on the saturating groove 7 of crossbeam 1, be connected with 2, two upward pressure contacts 2 of two upward pressure contacts centered by downforce contact 3 by bolt 8, be symmetrically distributed in the both sides of downforce contact 3.
For the ease of regulating the position of upward pressure contact 2, along the length direction of crossbeam 1, be fixedly connected with scale at crossbeam 1, be conducive to the position of upward pressure contact 2 is regulated by the scale that arranges.
The described rock strength proving installation that use is provided with two upward pressure contacts 2 can carry out the three-point bending strength test to rock specimens 9, when carrying out the three-point bending strength test, rock specimens 9 is interposed between two upward pressure contacts 2 and the downforce contact 3, exert pressure until rock specimens 9 is destroyed by the 4 pairs of downforce contacts 3 of device for exerting that are arranged on the pedestal 12, and when record rock specimens 9 is destroyed, 4 pairs of downforce contact 3 applied pressures of device for exerting.
In addition, for the ease of rock specimens 9 is interposed between two upward pressure contacts 2 and the downforce contact 3, and also more firm for rock specimens 9 being inserted and put ground, all be connected with an auxiliary support plate 6 on each column 5; Auxiliary support plate 6 is between crossbeam 1 and pedestal 12.
Particularly, auxiliary support plate 6 all can be movably connected on the column 5 by caging bolt 11, and corresponding adjusting can be carried out in its position on column 5.
When carrying out the test of rock strength three-point bending strength, two auxiliary support plates 6 are oppositely arranged, and for rock specimens 9 provides corresponding support and set-point, be convenient to the placement of rock specimens 9, and can be by two upward pressure contacts 2 and downforce contact 3, more firm with rock specimens 9 clampings guarantees that the related data that tests out is more accurate.
Auxiliary support plate 6 comprises a plurality of sub-auxiliary support plates; A plurality of sub-auxiliary support plates are hinged successively by articulated elements, realize adjusting to auxiliary support plate 6 length with this, to adapt to the length of rock specimens 9.
After using the rock strength proving installation, measuring relevant mechanical strength data, the computing that also needs to utilize the data that obtain to be correlated with.
Though the device for exerting 4 that utilization is arranged on the pedestal 12 can read the data of exerting pressure, for example device for exerting 4 is hydraulic jack, can directly read the pressure of exerting pressure by hydraulic jack what are; But the described data of exerting pressure that read also need manually to carry out record, and are input in the corresponding data processing equipment, carry out the processing of data.
For the ease of the data of exerting pressure that obtain being recorded and utilizing the described data of exerting pressure to carry out data and handle, a data transducer 10 is set between the projecting shaft of downforce contact 3 and device for exerting 4, can respond to by data transducer 10 and to obtain device for exerting 4 applied pressure data, and data transducer 10 is connected with data processing equipment by the data acquisition line, is transferred to data processing equipment with the pressure data that will gather and carries out the record of pressure data and relevant data processing.
For example, described data transducer 10 is piezoelectric pressure indicator.
The rock strength proving installation of present embodiment has multiple function, not only can carry out 3 mechanical strength tests to rock specimens 9, but also can carry out point-to-point mechanical strength test to the rock specimens of gathering 9.
For the rock specimens of gathering 9 being carried out point-to-point mechanical strength test, as shown in Figure 3, connect a upward pressure contact 2, the dead in line of the axis of upward pressure contact 2 and described downforce contact 3 at the saturating groove 7 of crossbeam 1 by bolt 8.By cooperating of upward pressure contact 2 and downforce contact 3, insert and put rock specimens 9, exert pressure by device for exerting 4 and destroy rock specimens 9, and the related data that arrives of record test, and carry out data by data processing equipment and handle and get final product.
In the prior art, can only carry out point-to-point mechanical strength test to the rock specimens of gathering 9 getting the core scene, directly measure the applied pressure data, obtain supplemental characteristic by the applied pressure data are carried out relevant treatment.
But, only carry out the rock mechanics strength test with a kind of mode, even carry out independently testing experiment repeatedly, therefore the formula that the pressure data that at every turn obtains is calculated is identical, can't judge whether the supplemental characteristic that draws is accurate, therefore need to adopt other test mode that supplemental characteristic is verified.
And the rock strength proving installation of present embodiment, both can carry out point-to-point mechanical strength test and three-point bending strength test to rock specimens 9, operational method by two kinds of test modes and two kinds of test mode correspondences, can obtain the test figure about same parameter respectively, for example tensile strength judges by comparison whether the supplemental characteristic that obtains is accurate.
And the rock strength proving installation of present embodiment, mainly flexibly connect by bolt 8, caging bolt 11, be convenient to assemble, dismantle transportation and the use of so being convenient to the mechanical strength test unit.
Various embodiment provided by the invention can be as required combination mutually in any way, the technical scheme that obtains by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also comprises these changes and modification interior.

Claims (10)

1. the rock strength proving installation is characterized in that, comprising: pedestal, crossbeam and two columns;
Two described column vertical fixing are in described pedestal; Described crossbeam and two described columns are vertical the connection all;
Also be provided with device for exerting on the described pedestal, described device for exerting is provided with the downforce contact, and described downforce contact points to described crossbeam;
Be connected with at least one upward pressure contact on the described crossbeam, and described upward pressure contact points to described pedestal.
2. rock strength proving installation according to claim 1 is characterized in that, is connected with at least one upward pressure contact on the described crossbeam, comprising:
Described crossbeam is provided with groove, and the penetration direction of described groove is vertical with the length direction of described crossbeam, and the penetration direction of described groove is parallel with the length direction of described column;
Be connected with at least one described upward pressure contact at described groove.
3. rock strength proving installation according to claim 2 is characterized in that, described upward pressure contact is movably connected on the described groove by bolt.
4. rock strength proving installation according to claim 1 is characterized in that, the quantity of described upward pressure contact is one;
The dead in line of the axis of described upward pressure contact and described downforce contact.
5. rock strength proving installation according to claim 1 is characterized in that, the quantity of described upward pressure contact is two;
Two described upward pressure contacts are symmetrically distributed in the both sides of described downforce contact centered by described downforce contact.
6. rock strength proving installation according to claim 1 is characterized in that, all is connected with an auxiliary support plate on each described column;
Described auxiliary support plate is between described crossbeam and described pedestal.
7. rock strength proving installation according to claim 6 is characterized in that, described auxiliary support plate comprises a plurality of sub-auxiliary support plates;
A plurality of described sub-auxiliary support plates are hinged successively by articulated elements.
8. rock strength proving installation according to claim 1 is characterized in that, further comprises: scale;
Described scale is fixed on the described crossbeam along the length direction of described crossbeam.
9. rock strength proving installation according to claim 1 is characterized in that, described crossbeam and two described columns are vertical the connection all, comprising:
Described crossbeam is by caging bolt and all vertical flexible connections of two described columns.
10. rock strength proving installation according to claim 1 is characterized in that, further comprises: data transducer; Described data transducer is between described downforce contact and described device for exerting.
CN201310057468XA 2013-02-22 2013-02-22 Rock strength testing device Pending CN103196751A (en)

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Application Number Priority Date Filing Date Title
CN201310057468XA CN103196751A (en) 2013-02-22 2013-02-22 Rock strength testing device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872284A (en) * 2015-12-10 2017-06-20 中国石油化工股份有限公司 Device and method for detecting rock toughness under simulation stratum condition
CN108613880A (en) * 2018-04-27 2018-10-02 江西柏立松科技环保设备制造有限公司 A kind of ore drilling machine production strength testing device
CN113358482A (en) * 2021-06-21 2021-09-07 重庆交通大学 Class rock material fracture toughness testing arrangement with test piece retrieves function
CN113418792A (en) * 2021-05-24 2021-09-21 株洲时代新材料科技股份有限公司 Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201215539Y (en) * 2008-05-26 2009-04-01 安东石油技术(集团)有限公司 Experimental equipment for evaluating influence of oil pumping rod to fatigue strength
US20110132078A1 (en) * 2009-12-09 2011-06-09 Shaoming Wu Universal testing machine
CN102331376A (en) * 2011-06-24 2012-01-25 赵宏伟 Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform
CN203101187U (en) * 2013-02-22 2013-07-31 中国科学院地质与地球物理研究所 Rock strength testing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201215539Y (en) * 2008-05-26 2009-04-01 安东石油技术(集团)有限公司 Experimental equipment for evaluating influence of oil pumping rod to fatigue strength
US20110132078A1 (en) * 2009-12-09 2011-06-09 Shaoming Wu Universal testing machine
CN102331376A (en) * 2011-06-24 2012-01-25 赵宏伟 Cross-scale micro-nano in-situ three-point bending mechanical performance testing platform
CN203101187U (en) * 2013-02-22 2013-07-31 中国科学院地质与地球物理研究所 Rock strength testing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872284A (en) * 2015-12-10 2017-06-20 中国石油化工股份有限公司 Device and method for detecting rock toughness under simulation stratum condition
CN106872284B (en) * 2015-12-10 2019-11-05 中国石油化工股份有限公司 For detecting the device and method of rock toughness under simulation stratum condition
CN108613880A (en) * 2018-04-27 2018-10-02 江西柏立松科技环保设备制造有限公司 A kind of ore drilling machine production strength testing device
CN113418792A (en) * 2021-05-24 2021-09-21 株洲时代新材料科技股份有限公司 Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof
CN113358482A (en) * 2021-06-21 2021-09-07 重庆交通大学 Class rock material fracture toughness testing arrangement with test piece retrieves function
CN113358482B (en) * 2021-06-21 2023-10-10 重庆交通大学 Rock-like material fracture toughness testing device with test piece recovery function

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Application publication date: 20130710