CN204575457U - A kind of stress-type three axle soil sample tensile strength proving installation - Google Patents
A kind of stress-type three axle soil sample tensile strength proving installation Download PDFInfo
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- CN204575457U CN204575457U CN201520220248.9U CN201520220248U CN204575457U CN 204575457 U CN204575457 U CN 204575457U CN 201520220248 U CN201520220248 U CN 201520220248U CN 204575457 U CN204575457 U CN 204575457U
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Abstract
The utility model discloses a kind of stress-type three axle soil sample tensile strength proving installation, comprise base, left socle, right support, left soil sample cap, right soil sample cap and pulley, described left socle and right support are separately fixed on base, left soil sample cap is fixedly connected with left socle, the end face of right support is the arc-shaped concave chute agreeing with right soil sample cap outline, right soil sample cap is placed in the chute of right support, left soil sample cap and right soil sample cap are parallel to each other and at same level height, the outer side center of right soil sample cap is fixedly connected with one end of iron wire, pulley walked around by iron wire, the other end of iron wire is hook, hook hangs counterweight, diameter of pulley is with left, inside right soil sample cap, radius of circle is identical, the outer wall of right soil sample cap arranges displacement transducer.This device fills up the blank of this field testing tool, and can realize the object of the tensile strength test of three axle soil samples under certain stress, meet the diversified requirement of test, thus improve scientific research level, structure is simple, draws materials conveniently.
Description
Technical field
The utility model belongs to soil test technique field, relates to a kind of stress-type tensile strength proving installation, particularly relates to a kind of stress-type tensile strength proving installation for three axle soil samples.
Background technology
Soil body fail in tension is a problem very important in Geotechnical Engineering, but due to soil body tensile strength less, test measure difficulty, all less to its research both at home and abroad, in Practical Project, the soil body does not use as tensile materials substantially.Along with national basis Facilities Construction is progressively carried out, higher requirement has been had to the tension of buildings or structures and anti-crack ability, increasing engineering problem involves the tensile strength of the soil body, if ground cracking, embankment dam core wall crack etc. are all the forms of expression of soil body fail in tension.Therefore, the further investigation for soil body tensile properties has important theory significance and engineering significance.
Stress-type three axle soil sample tensile strength proving installation is a kind of instrument for three axle soil sample tensile strength tests, and tensile strength is the basic parameter of entity project tension stability analysis.But current tensilometer can't carry out the tensile strength test of three axle soil samples under certain stress condition, have impact on test and the research of soil body tensile strength.Therefore, measure problems faced to solve tensile strength, the utility model gives stress-type three axle soil sample tensile strength proving installation.
Given this, the utility model discloses a kind of stress-type three axle soil sample tensile strength proving installation, be used for the tensile strength of test three axle soil sample, thus improve scientific research level.
Summary of the invention
The defect problem that the utility model occurs for current tensilometer, gives a kind of stress-type three axle soil sample tensile strength proving installation, can realize the object of the tensile strength test of three axle soil samples under certain stress, meet the diversified requirement of test.
The stress-type three axle soil sample tensile strength proving installation technical scheme that the utility model provides is as follows:
A kind of stress-type three axle soil sample tensile strength proving installation, comprise base, left socle, right support, left soil sample cap, right soil sample cap and pulley, described left socle and right support are separately fixed on base, left soil sample cap is fixedly connected with left socle, the end face of right support is the arc-shaped concave chute agreeing with right soil sample cap outline, right soil sample cap is placed in the chute of right support, left soil sample cap and right soil sample cap are parallel to each other and at same level height, the outer side center of right soil sample cap is fixedly connected with one end of iron wire, pulley walked around by iron wire, the other end of iron wire is hook, hook hangs counterweight, diameter of pulley is with left, inside right soil sample cap, radius of circle is identical, the outer wall of right soil sample cap arranges displacement transducer.
Described left soil sample cap and right soil sample cap are cylindric, and the end face of left socle and right support is the arc-shaped concave agreeing with left soil sample cap and right soil sample cap, and left soil sample cap is fixedly connected with by screw with left socle.
A large amount of vaseline is smeared on outside described right soil sample cap and right support top, when tensile strength is tested, reduces friction factor, warranty test precision.
Described iron wire and pulley surface are all smooth, thus reduce friction, the precision of warranty test, and during test, iron wire one end hangs the counterweight of corresponding weight by hook, and the other end is walked around pulley with hitting exactly outside right soil sample cap and connected.
Displacement transducer is used for measuring the distortion of soil sample in drawing process, keeps clean, conveniently cling soil sample inside the soil sample cap of left and right.
Compared with prior art, advantage of the present utility model is as follows:
The problem of the tensile strength test of three axle soil samples under certain stress condition can't be carried out for current tensilometer, invent the blank that this device fills up this field testing tool, the object of the tensile strength test of three axle soil samples under certain stress can be realized, meet the diversified requirement of test, thus raising scientific research level, structure is simple, draws materials conveniently.
Accompanying drawing explanation
Fig. 1 is a kind of front elevation of stress-type three axle soil sample tensile strength proving installation.
Fig. 2 is the side view of Fig. 1.
In figure: 1-base, 2-left socle, 3-right support, 4-left soil sample cap, 5-right soil sample cap, 6-cylindrical three axle soil samples, 7-screw, 8-displacement transducer, 9-iron wire, 10-pulley, 11-hook.
Embodiment
Composition graphs 1, Fig. 2 and embodiment set forth the utility model further.
A kind of stress-type three axle soil sample tensile strength proving installation, comprise base 1, left socle 2, right support 3, left soil sample cap 4, right soil sample cap 5 and pulley 10, described left socle 2 and right support 3 are separately fixed on base 1, left soil sample cap 4 is fixedly connected with left socle 2, left soil sample cap 4 and right soil sample cap 5 are cylindric, the end face of left socle 2 and right support 3 is the arc-shaped concave agreeing with left soil sample cap 4 and right soil sample cap 5, left soil sample cap 4 is fixedly connected with by screw 7 with left socle 2, right support 3 arranges the arc-shaped concave chute that end face agrees with right soil sample cap 5 outline, right soil sample cap 5 is placed in the chute of right support 3, left soil sample cap 4 and right soil sample cap 5 are parallel to each other and at same level height, the outer side center of right soil sample cap 5 is fixedly connected with one end of iron wire 9, pulley 10 walked around by iron wire 9, the other end of iron wire 9 is hook 11, hook 11 hangs counterweight, pulley 10 diameter is with left, right soil sample cap 4, inside 5, radius of circle is identical, the outer wall of right soil sample cap 5 arranges displacement transducer 8.
Described base 1 length and width, be thickly respectively 14cm, 8cm, 1cm, left and right bracket bottom length of side 4.5cm, wide 0.6cm, high 4.5cm, half circular diameter 4.3cm, left and right soil sample cap internal diameter is 3.93cm, length is 1.7cm, and inside left and right soil sample cap, the subpoint of the center of circle on base is 1.75cm apart from base 1 broadside, and the long limit apart from base 1 correspondence is 3cm, two subpoints are at a distance of 8cm, identical with cylindrical three axle soil sample 6 length; Outside left and right soil sample cap, the subpoint of the center of circle on base is 1.55cm apart from base 1 broadside, long limit apart from base 1 correspondence is 3cm, the high accuracy displacement sensor 8 laid outside right soil sample cap 5, be used for measuring the distortion of soil sample in drawing process, keep clean inside left and right soil sample cap, conveniently cling soil sample; Base 1 keeps level, avoids sample to conduct oneself with dignity on the impact of tensile strength test.
The long 16cm of iron wire 9 of loading, diameter 0.1cm, during test, iron wire 9 one end hangs the counterweight of corresponding weight by hook 11, the other end is walked around pulley 10 with hitting exactly outside right soil sample cap 5 and is connected, pulley 10 diameter is 1.965cm, identical with radius of circle inside left and right soil sample cap, ensures the pulling force of applying level, iron wire 9 and pulley 10 surface all smooth, thus reducing friction, the precision of warranty test, counterweight has 15 pieces, quality is all different, and scope is 0.01 kg ~ 1kg.
During use, first with screw 7, left soil sample cap 4 is fixed on left socle 2, on a left side, right soil sample cap inwall spreading glue, cylindrical three axle soil sample 6 two ends are made to be individually fixed in a left side, in right soil sample cap, outside right soil sample cap 5 and right support 2 top smear vaseline, reduce friction factor, ensure that right soil sample cap 5 can move freely, outside right soil sample cap 5, high accuracy displacement sensor 8 is installed simultaneously, and iron wire 9 one end is connected with hitting exactly outside right soil sample cap 5, the other end is walked around pulley 10 and is connected with hook 11, calculate the counterweight that should hang according to testing program to reload, thus the tensile deformation test of three axle soil samples is tested under realizing certain action of pulling stress, and then be scaled tensile strength.
Claims (3)
1. a stress-type three axle soil sample tensile strength proving installation, it is characterized in that: comprise base, left socle, right support, left soil sample cap, right soil sample cap and pulley, described left socle and right support are separately fixed on base, left soil sample cap is fixedly connected with left socle, the end face of right support is the arc-shaped concave chute agreeing with right soil sample cap outline, right soil sample cap is placed in the chute of right support, left soil sample cap and right soil sample cap are parallel to each other and at same level height, the outer side center of right soil sample cap is fixedly connected with one end of iron wire, pulley walked around by iron wire, the other end of iron wire is hook, hook hangs counterweight, diameter of pulley is with left, inside right soil sample cap, radius of circle is identical, the outer wall of right soil sample cap arranges displacement transducer.
2. a kind of stress-type three axle soil sample tensile strength proving installation according to claim 1, it is characterized in that: left soil sample cap and right soil sample cap are for cylindric, the end face of left socle and right support is the arc-shaped concave agreeing with left soil sample cap and right soil sample cap, and left soil sample cap is fixedly connected with by screw with left socle.
3. a kind of stress-type three axle soil sample tensile strength proving installation according to claim 1, is characterized in that: vaseline is smeared, described pulley and iron wire smooth surface in outside described right soil sample cap and right support top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220248.9U CN204575457U (en) | 2015-04-14 | 2015-04-14 | A kind of stress-type three axle soil sample tensile strength proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220248.9U CN204575457U (en) | 2015-04-14 | 2015-04-14 | A kind of stress-type three axle soil sample tensile strength proving installation |
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| CN204575457U true CN204575457U (en) | 2015-08-19 |
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| CN201520220248.9U Expired - Fee Related CN204575457U (en) | 2015-04-14 | 2015-04-14 | A kind of stress-type three axle soil sample tensile strength proving installation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675843A (en) * | 2016-02-24 | 2016-06-15 | 武汉大学 | Indirect measurement method for tensile strength of cohesive riverbank soil body |
| CN107462469A (en) * | 2017-09-08 | 2017-12-12 | 山西省交通科学研究院 | A kind of slope soil tensile strength on-site testing device and method of testing |
| CN108593151A (en) * | 2018-07-10 | 2018-09-28 | 浙江永阳节能技术有限公司 | A kind of calorimeter crushing tester |
| CN109406268A (en) * | 2018-09-07 | 2019-03-01 | 昆明理工大学 | A kind of ess-strain control formula soil body test for tensile strength device and method |
| CN110261086A (en) * | 2019-06-27 | 2019-09-20 | 广州黄船海洋工程有限公司 | A kind of strength test method of windlass pedestal |
-
2015
- 2015-04-14 CN CN201520220248.9U patent/CN204575457U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675843A (en) * | 2016-02-24 | 2016-06-15 | 武汉大学 | Indirect measurement method for tensile strength of cohesive riverbank soil body |
| CN107462469A (en) * | 2017-09-08 | 2017-12-12 | 山西省交通科学研究院 | A kind of slope soil tensile strength on-site testing device and method of testing |
| CN108593151A (en) * | 2018-07-10 | 2018-09-28 | 浙江永阳节能技术有限公司 | A kind of calorimeter crushing tester |
| CN109406268A (en) * | 2018-09-07 | 2019-03-01 | 昆明理工大学 | A kind of ess-strain control formula soil body test for tensile strength device and method |
| CN110261086A (en) * | 2019-06-27 | 2019-09-20 | 广州黄船海洋工程有限公司 | A kind of strength test method of windlass pedestal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |