CN203037646U - Device for reducing frictional forces in radial expansion force test - Google Patents
Device for reducing frictional forces in radial expansion force test Download PDFInfo
- Publication number
- CN203037646U CN203037646U CN 201220544594 CN201220544594U CN203037646U CN 203037646 U CN203037646 U CN 203037646U CN 201220544594 CN201220544594 CN 201220544594 CN 201220544594 U CN201220544594 U CN 201220544594U CN 203037646 U CN203037646 U CN 203037646U
- Authority
- CN
- China
- Prior art keywords
- bearing retainer
- longitudinal sliding
- line slideway
- base
- frictional forces
- Prior art date
- 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
Links
Landscapes
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses a device for reducing frictional forces in a radial expansion force test. The device can eliminate the frictional forces among a sample retaining ring component and peripheral members in a peripheral pressure test process effectively, so that a sample is only affected by applying peripheral pressure; the thickness of a universal plane bearing retainer is less than the diameter of balls; the universal plane bearing retainer can move at random relative to a peripheral pressure test base under rolling of the balls; the balls penetrate through the universal plane bearing retainer to be contacted with the peripheral pressure test base, so that the prior problem is solved better; the frictional forces are reduced; scale marks are arranged at a longitudinal sliding block and a transverse linear guide rail, so that parameter indication for displacement of the longitudinal sliding block and the transverse linear guide rail is facilitated; an experimental result is mastered timely; a success rate of an experiment is increased; and the device has a very good application prospect.
Description
Technical field
The utility model relates to a kind of friction force device in the power test that reduces to be radially expanded.
Background technology
Bulging force and the swelling rate test of highway earthwork test rule (JTG E40-2007) all adopt the test of single shaft consolidometer, and this instrument can't obtain soil bulging force and distortion radially.In order to realize the test of the power that is radially expanded and distortion, made by oneself a kind of testing soil vertical with the test instrument that is radially expanded power and dilatational strain, be radially expanded the power test suite in the test and there is friction force in other inter-module, this has considerable influence to the test result of bulging force radially, therefore, how to reduce this friction force and become success of the test whether key.
The utility model content
Be radially expanded the characteristics of power at above-mentioned test with not enough, the utility model purpose provides a kind of friction force device in the power test that reduces to be radially expanded.
The technical solution of the utility model is as follows:
A kind ofly reduce to be radially expanded friction force device in the power test, it comprises horizontal sliding bottom (3), longitudinal sliding motion piece (4), laterally line slideway (7), confined pressure testing base (2), universal surface bearing retainer (6), ball (5); Laterally sliding bottom (3) is fixed on the base (1), and longitudinal sliding motion piece (4) and horizontal line slideway (7) can realize in the plane of base (1) that X, Y-direction move freely; Longitudinal sliding motion piece (4) below is provided with first scale mark (41), laterally line slideway (7) is provided with second scale mark (71), confined pressure testing base (2) is fixed on soaking pit central authorities, it is universal surface bearing retainer (6) on it, universal surface bearing retainer (6) thickness is less than the diameter of ball (5), and ball (5) is placed on the weight of bearing confined pressure outer shroud block assembly and the four interior ring of confined pressure block assemblies in the universal surface bearing retainer (6); Universal surface bearing retainer (6) can be with respect to confined pressure testing base (2) arbitrary motion under the rolling of ball (5), and ball (5) passes universal surface bearing retainer (6) contact confined pressure testing base (2).
The utility model provides reduces to be radially expanded friction force device in the power test, this device can be eliminated in the confined pressure test process sample grommet device and the friction force between member on every side effectively, make sample only be applied the effect of confined pressure power, universal surface bearing retainer thickness is set less than the diameter of ball, and can be with respect to the arbitrary motion of confined pressure testing base under the rolling of ball, ball passes universal surface bearing retainer contact confined pressure testing base, preferably resolve the problem that in the past existed, reduced friction force, at longitudinal sliding motion piece and horizontal line slideway scale mark is set, be convenient to the parameter indication is made in its displacement, in time grasp experimental result, improve the success ratio of experiment, had good application prospects.
Description of drawings
Fig. 1 the utility model reduces the friction force device synoptic diagram that is radially expanded the power test
1-base, 2-confined pressure testing base, the horizontal sliding bottom of 3-, 4-longitudinal sliding motion piece, 41-first scale mark, 5-ball, the universal surface bearing retainer of 6-, the horizontal line slideway of 7-, 71-second scale mark.
Embodiment
The utility model embodiment provides a kind of friction force device in the power test that reduces to be radially expanded, it is characterized in that described device comprises: base, confined pressure testing base, horizontal sliding bottom, longitudinal sliding motion piece, first scale mark, ball, universal surface bearing retainer, horizontal line slideway, second scale mark;
Described universal surface bearing retainer is set on the described confined pressure testing base, described horizontal sliding bottom is fixed on the described base, described longitudinal sliding motion piece is installed in described horizontal line slideway below, described horizontal line slideway is set on the described horizontal sliding bottom, described ball passes universal surface bearing retainer contact confined pressure testing base, described first scale mark is arranged on described longitudinal sliding motion piece below, and described second scale mark is arranged on described horizontal line slideway.
Described device adopts longitudinal sliding motion piece and the horizontal line slideway that can realize in the plane of base that X, Y-direction move freely.
Described universal surface bearing retainer thickness is less than the diameter of ball.
The utility model provides reduction friction force device to claim " floating " device again, and it can eliminate in the confined pressure test process sample grommet device and the friction force between member on every side effectively, makes sample only be applied the effect of confined pressure power.Reduce the friction force device and comprise horizontal sliding bottom 3, longitudinal sliding motion piece 4, horizontal line slideway 7, confined pressure testing base 2, universal surface bearing retainer 6, ball 5.Laterally sliding bottom 3 is fixed on the base 2, and longitudinal sliding motion piece 4 and horizontal line slideway 7 can realize in the plane of base 2 that X, Y-direction move freely; Longitudinal sliding motion piece 4 belows are provided with first scale mark 41, laterally line slideway 7 is provided with second scale mark 71, confined pressure testing base 2 is fixed on soaking pit central authorities, be universal surface bearing retainer 6 (its thickness is less than ball diameter) on it, ball 5 is placed on the weight of bearing confined pressure outer shroud block assembly and the four interior ring of confined pressure block assemblies in the universal surface bearing retainer 6; Universal surface bearing retainer 6 can be with respect to 2 arbitrary motions of confined pressure testing base under the rolling of ball 5, and ball 5 passes universal surface bearing retainer 6 contact confined pressure testing base 2.
Claims (3)
1. one kind reduces to be radially expanded friction force device in the power test, it is characterized in that described device comprises: base, confined pressure testing base, horizontal sliding bottom, longitudinal sliding motion piece, first scale mark, ball, universal surface bearing retainer, horizontal line slideway, second scale mark;
Described universal surface bearing retainer is set on the described confined pressure testing base, described horizontal sliding bottom is fixed on the described base, described longitudinal sliding motion piece is installed in described horizontal line slideway below, described horizontal line slideway is set on the described horizontal sliding bottom, described ball passes universal surface bearing retainer contact confined pressure testing base, described first scale mark is arranged on described longitudinal sliding motion piece below, and described second scale mark is arranged on described horizontal line slideway.
2. as claimed in claim 1ly reduce to be radially expanded friction force device in the power test, it is characterized in that, described device adopts can realize longitudinal sliding motion piece that X, Y-direction move freely and horizontal line slideway in the plane of base.
3. as claimed in claim 1ly reduce to be radially expanded friction force device in the power test, it is characterized in that described universal surface bearing retainer thickness is less than the diameter of ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544594 CN203037646U (en) | 2012-10-22 | 2012-10-22 | Device for reducing frictional forces in radial expansion force test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544594 CN203037646U (en) | 2012-10-22 | 2012-10-22 | Device for reducing frictional forces in radial expansion force test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037646U true CN203037646U (en) | 2013-07-03 |
Family
ID=48689757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220544594 Expired - Fee Related CN203037646U (en) | 2012-10-22 | 2012-10-22 | Device for reducing frictional forces in radial expansion force test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089813A (en) * | 2014-07-14 | 2014-10-08 | 长江水利委员会长江科学院 | Geotechnical engineering triaxial compression test micro-friction load force transfer plate |
-
2012
- 2012-10-22 CN CN 201220544594 patent/CN203037646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089813A (en) * | 2014-07-14 | 2014-10-08 | 长江水利委员会长江科学院 | Geotechnical engineering triaxial compression test micro-friction load force transfer plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101393005A (en) | Measurement method and apparatus for bearing protrusion amount under pre-loading no more than 10N | |
| CN206709813U (en) | A kind of movable tunnel cross section deformation detection means | |
| CN102331349A (en) | Permanent magnetic bearing rigidity measuring device | |
| CN104165612A (en) | Novel displacement sensor transformation and amplification device | |
| CN203037646U (en) | Device for reducing frictional forces in radial expansion force test | |
| CN102980802A (en) | Universal self-adaption fixture for sliding friction-wear test | |
| CN203432801U (en) | Performance test experiment table for static-pressure gas antithrust bearing | |
| CN203455979U (en) | Novel frictional force demonstration device | |
| CN202204444U (en) | Bearing clearance measuring instrument | |
| CN204064275U (en) | A kind of New Displacement Transducer conversion and multiplying arrangement | |
| CN203299169U (en) | Detection mechanism for surface quality detection of steel balls | |
| CN2911658Y (en) | Direct shear instrument with linear guidway | |
| CN205642991U (en) | Dynamic work platform for testing machine | |
| CN201016867Y (en) | Railway vehicle steering frame test bench | |
| GB201308391D0 (en) | Universal force measurement apparatus and method | |
| CN1936146A (en) | Driving rail pair | |
| CN202770752U (en) | Magnetic-field-adjustable friction disk pair testing device | |
| CN204008138U (en) | Shaft sleeve sliding bearing rectilinear motion frictional wear test device | |
| CN210293156U (en) | Sensor for measuring dynamic relative slip of contact interface of soil and underground structure | |
| CN202380578U (en) | Sliding support for bearing high pressure | |
| CN215492915U (en) | Plate forming tester mould | |
| Zhang et al. | The Dynamic Analysis of a Freight Train Rolling Bearing with Outer Ring Fault | |
| CN214404582U (en) | Novel one-way rolling guide rail | |
| CN204963825U (en) | Armature is split damping ring detection device for upper shaft | |
| CN212658551U (en) | Test device for detecting compression resistance and bending resistance values of raw materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130703 Termination date: 20171022 |