CN102519795B - Rotatable rock-soil testing machine driven by single motor - Google Patents
Rotatable rock-soil testing machine driven by single motor Download PDFInfo
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- CN102519795B CN102519795B CN 201110392163 CN201110392163A CN102519795B CN 102519795 B CN102519795 B CN 102519795B CN 201110392163 CN201110392163 CN 201110392163 CN 201110392163 A CN201110392163 A CN 201110392163A CN 102519795 B CN102519795 B CN 102519795B
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Abstract
The invention discloses a rotatable rock-soil testing machine driven by single motor, which comprises a base. Four vertical columns are fixed on the base, a lower supporting plate and an upper supporting plate are sleeved on the vertical columns, the lower supporting plate can slide on the vertical columns, and a test sample tube is arranged between the upper supporting plate and the lower supporting plate. A cavity is arranged in the base, a hydraulic cylinder is fixed in the cavity of the base and rightly aligns to the position below the test sample tube, the upper end and the lower end of the test sample tube are respectively provided with an upper slewing bearing and a lower slewing bearing, and the upper slewing bearing and/or the lower slewing bearing are/is connected with an output shaft of the motor. The single motor drives a rock-soil sample to rotate, and the hydraulic cylinder performs axial loading on the rock-soil sample simultaneously so that the rotation and the axial loading of the rock-soil sample are achieved.
Description
Technical field
The present invention relates to a kind of During Geotechnical Tests machine equipment, belong to the experimental provision technical field, particularly a kind of rock-soil testing machine that utilizes the CT scan technology to be tested mechanical property and the deformation process of ground.
Background technology
Rock-soil testing machine is a kind of basic science test apparatus of the stress strain curve of research ground, by axial compression system, confined pressure system and temperature control system, formed, principle of work is, by the axial compression system, sample is applied to axial sample power, by pressure chamber, sample is applied to confined pressure, by temperature control system, make the upper and lower end face of sample, sample middle part be in respectively different temperature environments simultaneously, thus the multiple actual condition of simulation sample under different temperatures.But traditional rock-soil testing machine is difficult to observe the inner structure of material thereby more can't records the true geometric distribution situation of the inner heterogeneity material of rock mass.Along with constantly improving and development of computer technology, the CT recognition technology is applied to During Geotechnical Tests.In order in process of the test, the deformation of each longitudinal cross-section of ground sample dynamically to be observed, will solve the problem that relatively rotates of ground sample and CT scanner.
Lanzhou Inst. of Glaciology and Cryopedology, Chinese Academy of Sciences once adopted the CT measuring technology to carry out rock-soil triaxial tests.What they adopted is that the strain-type triaxial cell directly is put in the CT machine and is scanned, and this CT scan method is only suitable for and pressure chamber's axle pressure and the lower occasion of ambient pressure, inapplicable to large-scale rock-soil testing machine.
Patent of invention CN 200620096213.X discloses a kind of Omnibearing scanning rock-soil CT three-shaft instrument, and it is a kind of triaxial apparatus of complete nonmetal making, not only can carry out the scanning of horizontal section, and can carry out the vertically scanning of (axially) section.But also be only applicable to the occasion that axial compression and confined pressure are less, inapplicable to large-scale rock-soil testing machine.Axial compression, the confined pressure of large-scale rock-soil testing machine are larger, must use metal to make test specimen tube, must use accordingly high energy CT machine like this.Because large-scale rock-soil testing machine volume is larger, can not directly put into high energy CT machine and scan, so must be rotatable part by the test specimen tube partial design of testing machine.
The defect existed for prior art, propose the present invention.
Summary of the invention
The technical matters that the present invention is intended to solve is axial loading and the Rotation of ground sample.In view of problems of the prior art, the object of the present invention is to provide a kind of single motor that solves ground sample rotation loading problem to drive Rotatable rock-soil testing machine, thereby be convenient to utilize the deformation of the comprehensive scanning ground of CT technology sample under loading environment.
For achieving the above object, technical scheme provided by the invention is: a kind of single motor drives Rotatable rock-soil testing machine, comprise base, be fixed with four root posts on base, upright post sleeve has lower roof plate, upper plate, and wherein lower roof plate can slide on column, place test specimen tube between upper plate and lower roof plate, base inside is cavity, and hydraulic cylinder is fixed in the cavity of base, and over against the test specimen tube below; Described test specimen tube upper/lower terminal is respectively equipped with upper rotary supporting and lower pivoting support, upper rotary supporting and lower pivoting support respectively with telescopic shaft on upper driven wheel, the engagement of lower driven wheel.
The side that described lower roof plate is positioned at test specimen tube has a through hole, motor is fixed on the lower roof plate lower surface, motor output shaft passes through through hole and connects a movable axis, the movable axis lower end be equipped with one with the lower driven wheel of lower pivoting support engagement, the upper end of movable axis is connected with a stationary shaft, and stationary shaft is fixed on upper plate.
The lower end of described stationary shaft is provided with and holds the cavity that connection is inserted in the movable axis upper end.
The lower end of described stationary shaft and coordinating of movable axis upper end be that four square hole shafts coordinate or the hexagonal hole axle coordinates or splined hole axle form one of in coordinating.
Described stationary shaft is multidiameter, by shaft shoulder location and installation, have one with upper rotary, to support the upper driven wheel of engagement, upper driven wheel upper surface is pressed on the second ball bearing inner ring by sleeve, the second ball bearing outer ring coordinates with the bearing seat of upper plate lower surface, and the upper end of stationary shaft is fixed on upper plate by the first ball bearing and top cover plate.
Described movable axis is multidiameter, and the upper end of described through hole has bearing seat, and the 3rd ball bearing outer ring is arranged in bearing seat, and inner ring coordinates with the movable axis lower end; Described lower driven wheel upper surface is by the shaft shoulder location of movable axis.
The upper end of described test specimen tube is provided with a upper plate, and the upper rotary supporting outer ring is bolted a upper plate, and upper rotary supporting inner ring is bolted on the lower surface of upper plate; The lower end of described test specimen tube is provided with a lower bottom base, and lower revolution supporting outer ring is bolted on a lower bottom base, and lower pivoting support inner ring is bolted on the upper surface of lower roof plate.
There is cylindrical projection at the lower surface center of described upper plate, and the inner ring of upper rotary supporting coordinates with projection the axial location that realizes the upper rotary supporting; There is cylindrical projection at the upper surface center of described lower roof plate, and the inner ring of lower pivoting support coordinates the axial location that realizes lower pivoting support with projection.Described cylinder lower bottom base upper surface has square locating slot, with the square flange of test specimen tube lower end, matches.
An interior upper plug is installed in the top through hole of described test specimen tube, have the annular seal groove that cross section is rectangle on the circumferential outer surface of upper plug in cylinder, O-ring seal is housed in annular seal groove, an interior lower plunger is installed in the cylinder of test specimen tube bottom, have the annular seal groove that cross section is rectangle on the circumferential outer surface of lower plunger in cylinder, O-ring seal is housed in annular seal groove.
In described cylinder, the upper surface center of lower plunger has conical socket, and the lower surface of lower gasket is provided with tapered protrusion, and the tapered protrusion of lower gasket coordinates with the conical socket of lower plunger in cylinder; In described cylinder, the lower surface center of upper plug has conical socket, and the upper surface of Upper gasket is provided with tapered protrusion, and the tapered protrusion of Upper gasket coordinates with the conical socket of upper plug in cylinder.
The invention has the beneficial effects as follows: the present invention drives the rotation of ground sample by motor, and hydraulic cylinder axially loads the ground sample simultaneously, thereby has realized the rotation of ground sample and axially loaded.
The accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to following, can more completely understand better the present invention and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining, wherein:
Fig. 1 is that the single motor of the present invention drives the Rotatable rock-soil testing machine front section view;
Fig. 2 is stationary shaft front section view in Fig. 1;
Fig. 3 is stationary shaft upward view in Fig. 1;
Fig. 4 is movable axis front section view in Fig. 1;
Fig. 5 is movable axis upward view in Fig. 1;
Reference numeral: top cover plate 1, the first ball bearing 2, upper plate 3, stationary shaft 4, the second ball bearing 5, the first sleeve 6, upper driven wheel 7, column 8, movable axis 9, lower driven wheel 10, the second sleeve 11, the three ball bearing 12, lower roof plate 13, motor 14, base 15, hydraulic cylinder 16, lower pivoting support 17, cylinder lower bottom base 18, lower plunger 19 in cylinder, test specimen tube 20, lower gasket 21, ground sample 22, Upper gasket 23, upper plug 24 in cylinder, cylinder upper plate 25, upper rotary supporting 26.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, embodiments of the invention are described, single motor of the present invention drives Rotatable rock-soil testing machine, base 15 inside are cavity, hydraulic cylinder 16 is fixed in cavity, respectively there is an obstructed circular hole at four angles of base 15 upper surface, in four obstructed circular holes of four root post 8 inserted bases 15, and affixed with base 15, lower roof plate 13 is actively socketed on four root posts 8, and can slide up and down along column 8, upper plate 3 is fixedly sleeved on four root posts 8, cannot relatively move, have through hole in lower roof plate 13 1 sides, through hole lower end mounted motor 14, the upper end of through hole has bearing seat, the 3rd ball bearing 12 outer rings are arranged in bearing seat, inner ring coordinates with movable axis 9 lower ends, lower driven wheel 10 is socketed on movable axis 9, connect and realize circumferential location by key, lower driven wheel 10 upper surfaces are located by the shaft shoulder, lower surface clamp sleeve 11 is realized axial location, sleeve 11 lower surfaces are pressed on the 3rd ball bearing 12 inner rings, the square cylinder of movable axis 9 upper ends inserts in stationary shaft 4 square cavity, the square cavities side of stationary shaft 4 coordinates with the square cylinder side of movable axis 9, stationary shaft 4 upper ends are equipped with driven wheel 7, upper driven wheel 7 lower surfaces are by shaft shoulder axial location, upper surface is pressed on the second ball bearing 5 inner rings by sleeve 6, the second ball bearing 5 outer rings coordinate with the bearing seat of upper plate 3 lower surfaces, stationary shaft 4 tops coordinate with the first ball bearing 2 inner rings, the first ball bearing 2 outer rings coordinate with the bearing seat of upper plate 3 upper surfaces, top cover plate 1 is bolted on stationary shaft 4 tops, stationary shaft 4 is realized to axial location.
At lower roof plate 13 upper surfaces, cylindrical projection is arranged, lower pivoting support 17 inner rings coordinate the axial location that realizes lower pivoting support 17 with projection, and inner ring is arranged on lower roof plate 13 upper surfaces by bolt, outer ring is connected by bolt and cylinder lower bottom base 18, cylinder lower bottom base 18 upper surfaces have square locating slot, with the square flange of test specimen tube 20 lower ends, match.
In the top through hole of test specimen tube 20 and cylinder, the cylindrical outer surface of upper plug 24 matches, have the annular seal groove that cross section is rectangle on the circumferential outer surface of upper plug 24 in cylinder, O-ring seal is housed in annular seal groove, in test specimen tube 20 bottom cylinder inner surfaces and cylinder, the cylindrical outer surface of lower plunger 19 matches, have the annular seal groove that cross section is rectangle on the circumferential outer surface of lower plunger 19 in cylinder, O-ring seal is housed in annular seal groove.
There is cylindrical projection at upper plate 3 lower surface centers, and upper rotary supports 26 inner rings and coordinates with projection the axial location that realizes upper rotary supporting 26, and inner ring is arranged on upper plate 3 lower surfaces by bolt, and outer ring is connected by bolt and a upper plate 25.
The specific works principle of the present embodiment is described below:
As mentioned above, embodiments of the invention are explained, but, as long as not breaking away from fact inventive point of the present invention and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation also all is included in protection scope of the present invention.
Claims (9)
1. a single motor drives Rotatable rock-soil testing machine, comprise base (15), be fixed with four root posts (8) on base (15), column (8) cover has lower roof plate (13), upper plate (3), wherein lower roof plate (13) can be in the upper slip of column (8), place test specimen tube (20) between upper plate (3) and lower roof plate (13), it is characterized in that, described base (15) inside is cavity, hydraulic cylinder (16) is fixed in the cavity of base (15), and over against test specimen tube (20) below; Described test specimen tube (20) upper/lower terminal is respectively equipped with upper rotary supporting (26) and lower pivoting support (17), and upper rotary supporting (26) and/or lower pivoting support (17) are connected with motor (14) output shaft; The side that described lower roof plate (13) is positioned at test specimen tube (20) has a through hole, motor (14) is fixed on lower roof plate (13) lower surface, motor (14) output shaft passes through through hole and connects a movable axis (9), movable axis (9) lower end be equipped with one with the lower driven wheel (10) of lower pivoting support (17) engagement, the upper end of movable axis (9) is connected with a stationary shaft (4), and stationary shaft (4) is fixed on upper plate (3).
2. a kind of single motor according to claim 1 drives Rotatable rock-soil testing machine, it is characterized in that, the lower end of described stationary shaft (4) is provided with and holds the cavity that connection is inserted in movable axis (9) upper end.
3. a kind of single motor according to claim 2 drives Rotatable rock-soil testing machine, it is characterized in that, the lower end of described stationary shaft (4) and coordinating of movable axis (9) upper end be that four square hole shafts coordinate or the hexagonal hole axle coordinates or splined hole axle form one of in coordinating.
4. a kind of single motor according to claim 3 drives Rotatable rock-soil testing machine, it is characterized in that, described stationary shaft (4) is multidiameter, by shaft shoulder location and installation, have one with upper rotary, to support the upper driven wheel (7) of (26) engagement, upper driven wheel (7) upper surface is pressed on the second ball bearing (5) inner ring by sleeve (6), the second ball bearing (5) outer ring coordinates with the bearing seat of upper plate (3) lower surface, and the upper end of stationary shaft (4) is fixed on upper plate (3) by the first ball bearing (2) and top cover plate (1).
5. a kind of single motor according to claim 1 drives Rotatable rock-soil testing machine, it is characterized in that, described movable axis (9) is multidiameter, the upper end of described through hole has bearing seat, the 3rd ball bearing (12) outer ring is arranged in bearing seat, and inner ring coordinates with movable axis (9) lower end; Described lower driven wheel (10) upper surface is by the shaft shoulder location of movable axis (9).
6. a kind of single motor according to claim 1 drives Rotatable rock-soil testing machine, it is characterized in that, the upper end of described test specimen tube (20) is provided with a upper plate (25), upper rotary supporting (26) outer ring is bolted a upper plate (25), and upper rotary supporting (26) inner ring is bolted on the lower surface of upper plate (3); The lower end of described test specimen tube (20) is provided with a lower bottom base (18), and it is upper that lower pivoting support (17) outer ring is bolted on a lower bottom base (18), and lower pivoting support (17) inner ring is bolted on the upper surface of lower roof plate (13).
7. a kind of single motor according to claim 6 drives Rotatable rock-soil testing machine, it is characterized in that, there is cylindrical projection at the lower surface center of described upper plate (3), and the inner ring of upper rotary supporting (26) coordinates with projection the axial location that realizes upper rotary supporting (26); There is cylindrical projection at the upper surface center of described lower roof plate (13), and the inner ring of lower pivoting support (17) coordinates the axial location that realizes lower pivoting support (17) with projection; Described cylinder lower bottom base (18) upper surface has square locating slot, with the square flange of test specimen tube (20) lower end, matches.
8. a kind of single motor according to claim 1 drives Rotatable rock-soil testing machine, it is characterized in that, an interior upper plug (24) is installed in the top through hole of described test specimen tube (20), have the annular seal groove that cross section is rectangle on the circumferential outer surface of upper plug (24) in cylinder, O-ring seal is housed in annular seal groove, in the cylinder of test specimen tube (20) bottom, an interior lower plunger (19) is installed, have the annular seal groove that cross section is rectangle on the circumferential outer surface of lower plunger (19) in cylinder, O-ring seal is housed in annular seal groove.
9. a kind of single motor according to claim 8 drives Rotatable rock-soil testing machine, it is characterized in that, in described cylinder, the upper surface center of lower plunger (19) has conical socket, is provided with the lower gasket with tapered protrusion (21) be mated in this conical socket; In described cylinder, the lower surface center of upper plug (24) has conical socket, is provided with the upper gasket with tapered protrusion (23) be mated in this conical socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110392163 CN102519795B (en) | 2011-11-30 | 2011-11-30 | Rotatable rock-soil testing machine driven by single motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110392163 CN102519795B (en) | 2011-11-30 | 2011-11-30 | Rotatable rock-soil testing machine driven by single motor |
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| Publication Number | Publication Date |
|---|---|
| CN102519795A CN102519795A (en) | 2012-06-27 |
| CN102519795B true CN102519795B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110392163 Expired - Fee Related CN102519795B (en) | 2011-11-30 | 2011-11-30 | Rotatable rock-soil testing machine driven by single motor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600410A (en) * | 2014-12-31 | 2015-05-06 | 镇江市明基电子有限公司 | Cavity power divider housing |
| CN105115995B (en) * | 2015-08-25 | 2017-08-08 | 交通运输部公路科学研究所 | The synchronous load testing machine of industrial CT Scanner and industrial CT Scanner |
| CN105928793B (en) * | 2016-04-20 | 2019-01-04 | 北京交通大学 | The rock mechanics experiment machine being placed on turntable |
| CN106546490B (en) * | 2016-10-25 | 2019-08-06 | 北京交通大学 | Rotatable rock mechanics experiment machine with internal heat |
| CN106769435B (en) * | 2017-01-13 | 2023-11-28 | 辽宁工程技术大学 | Thermal coupling loading testing machine for real-time microscopic scanning of rock by CT |
| CN110961171B (en) * | 2018-09-30 | 2021-11-02 | 中国科学院上海微系统与信息技术研究所 | Low-temperature sample support |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152659A (en) * | 1994-02-02 | 2000-11-28 | Amada Metrecs Company, Limited | Rotary driving device for press machine |
| CN102109439A (en) * | 2011-03-01 | 2011-06-29 | 北京航空航天大学 | Instrument for measuring bearing and shearing properties of soil |
| CN102147320A (en) * | 2011-02-28 | 2011-08-10 | 西安理工大学 | Method and device for testing axial rigidity and radial rigidity of rotary hydrostatic guide rail |
-
2011
- 2011-11-30 CN CN 201110392163 patent/CN102519795B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6152659A (en) * | 1994-02-02 | 2000-11-28 | Amada Metrecs Company, Limited | Rotary driving device for press machine |
| CN102147320A (en) * | 2011-02-28 | 2011-08-10 | 西安理工大学 | Method and device for testing axial rigidity and radial rigidity of rotary hydrostatic guide rail |
| CN102109439A (en) * | 2011-03-01 | 2011-06-29 | 北京航空航天大学 | Instrument for measuring bearing and shearing properties of soil |
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| CN102519795A (en) | 2012-06-27 |
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