CN206038448U - Compliance control formula unconfined compression strength test device - Google Patents
Compliance control formula unconfined compression strength test device Download PDFInfo
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- CN206038448U CN206038448U CN201621094071.3U CN201621094071U CN206038448U CN 206038448 U CN206038448 U CN 206038448U CN 201621094071 U CN201621094071 U CN 201621094071U CN 206038448 U CN206038448 U CN 206038448U
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- pressure sensor
- platform
- compression strength
- test device
- strength test
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Abstract
The utility model provides a compliance control formula unconfined compression strength test device, include that internally mounted has the quick -witted case of motor and gear, the output shaft of motor passes through gear and lifting screw swivelling joint, and lifting controller passes through the wire and is connected with the motor for the automatic rising of control lifting screw, bottom surface fixed connection under lifting screw top and the increased pressure board, each installs a spinal branch vaulting pole perpendicularly machine case upper surface both ends, installs the platform of bearing responsibility between the upper portion of two spinal branch vaulting poles, and the bottom surface is connected with pressure sensor's top under the platform of bearing responsibility, pressure sensor's the bottom and the surface connections of top deck, and the top deck lies in the sample upper end, pressure sensor passes through the wire and is connected with the dynamometer, and the dynamometer passes through the wire and is connected with data acquisition end, the utility model discloses an intellectuality of process of the test, the accuracy of accurate assurance test condition, greatly reduced testing personnel's work load.
Description
Technical field
The utility model is related to soil test device, fills in particular to a kind of strain controlling formula unconfined compression strength test
Put.
Background technology
Unconfined compressive strength refers to solidification soil sample under the conditions of without lateral pressure, and the limit for resisting axial stress is strong
Degree, is the most basic mechanical performance index of solidified earth, and it is to evaluate the weight of cement or other cementing materials to soil body solidification effect
One of index, existing unconfined compression strength test instrument is wanted to there are several defects：1. testing crew is needed while observing and remembering
Record axial displacement dial gauge and axial dynamometry percentage meter reading, then with axial strain as abscissa, axial stress is ordinate
Draw load-deformation curve.Ordinate maximum represents the failure strain of solidification soil sample, i.e. its unconfined compressive strength.
The method of this artificial observation and record data increases the working strength of testing crew, and it cannot be guaranteed that test accuracy；2. lead to
The threaded adjusting crossed in two root posts is born responsibility during platform height, can only be approximately considered cushion cap in horizontality, it is impossible to protect
Its absolute equilibrium is demonstrate,proved, therefore in loading procedure, sample may be made to twist or chamfer destruction, cause test error；3. plus
During load, the sample on lower increased pressure board cannot be guaranteed at center by naked eyes, may make sample during loading
Eccentric load-bearing, affects test accuracy.Waste time and energy if by survey tool auxiliary positioning.4. single proving ring measurement range
It is little, when various sample carries out unconfined compression strength test, need to estimate that its strength range chooses the proving ring of different ranges, having can
Can because making a mistake in judgment cause probe intensity exceed range, or probe intensity it is too low and increase test error.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of strain controlling formula unconfined compression strength test
Device, realizes the intellectuality of process of the test, and the accuracy of accurate guarantee test condition substantially reduces the workload of testing crew,
Unconfined compression strength test is carried out for interior beneficial reference is provided.
For solving above-mentioned technical problem, the technical scheme for being adopted is the utility model：A kind of strain controlling formula is without lateral spacing
Compressive strength test device, is provided with the cabinet of motor and gear including inside, and the output shaft of the motor passes through gear
It is rotatably connected with lifting screw, lifting controller is connected with motor by wire, for controlling the automatic lifting of lifting screw；
It is fixedly connected with increased pressure board bottom surface at the top of the lifting screw, the increased pressure board upper surface is used for shelving sample,
And sample formation is upwarded pressure in process of the test；
Cabinet upper surface two ends are respectively vertically installed with a support bar, are provided with top between the top of two support bars
Cushion cap, the platform bottom surface of bearing responsibility are connected with the top of pressure sensor, and the bottom of the pressure sensor is upper with top deck
Surface connects, and the top deck is located at sample upper end；
The pressure sensor is connected with dynamometer by wire, and the dynamometer is connected with data acquisition end by wire
Connect.
Further, the cabinet side is additionally provided with handwheel, and the handwheel is rotatably connected with lifting screw also by gear,
For control lifting screw lifting manually.
Further, the increased pressure board upper surface is additionally provided with positioning groove plate, for positioning and shelving sample.
Further, screw thread is additionally provided with the support bar and the position of platform installation of bearing responsibility, and fixed by nut.
Further, it is also equipped with balancing chi on the platform of bearing responsibility, balance chi is provided with fluorescence air level.
Further, the platform bottom surface of bearing responsibility is bolted to connection with the top of pressure sensor, the pressure
The bottom of sensor is fixedly connected also by bolt with the upper surface of top deck.
The beneficial effects of the utility model：1st, realize the intellectuality of process of the test, it is to avoid artificial reading and record paper
The drawbacks of coming；2nd, experimental condition can be precisely controlled, it is ensured that sample destroying without lateral spacing under principal stress state, elimination torsion,
The error that beveling, eccentric destruction bring；3rd, simple structure, is easy to operation.
Description of the drawings
Fig. 1 is a kind of main structure diagram of strain controlling formula unconfined compression strength test device；
Fig. 2 is the structural representation of positioning groove plate in Fig. 1；
In figure, 1- nuts, 2- are born responsibility platform, 3- pressure sensors, 4- top decks, 5- increased pressure boards, 6- lifting screws, and 7- puts down
Weighing apparatus chi, 8- support bars, 9- samples, 10- handwheels, 11- lifting controllers, 12- dynamometers, 13- data acquisitions end, 14- cabinets,
15- positioning groove plates.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of strain controlling formula unconfined compression strength test device, is provided with electricity including inside
The cabinet 14 of motivation and gear, the output shaft of the motor are rotatably connected with lifting screw 6 by gear, lifting controller 11
It is connected with motor by wire, for controlling the automatic lifting of lifting screw 6；Lifting spiral shell can be driven in motor loading procedure
Bar 6, so that increased pressure board 5 at the uniform velocity rises, in the present embodiment, its rate of climb is 1mm/min.
It is fixedly connected with 5 bottom surface of increased pressure board at the top of the lifting screw 6,5 upper surface of the increased pressure board is used for shelving examination
Sample 9, and the formation of sample 9 is upwarded pressure in process of the test；
14 upper surface two ends of the cabinet are respectively vertically installed with a support bar 8, install between the top of two support bars 8
Bear responsibility platform 2,2 bottom surface of platform of bearing responsibility is connected with the top of pressure sensor 3, the bottom of the pressure sensor 3 with it is upper
The upper surface connection of board 4, the top deck 4 are located at 9 upper end of sample；
The pressure sensor 3 is connected with dynamometer 12 by wire, and the dynamometer 12 passes through wire and data acquisition
End 13 connects.In the present embodiment, the data that pressure sensor 3 is obtained can be transported to data acquisition end 13 by dynamometer 12, conveying
Frequency is 0.05s/ time.
14 side of the cabinet is additionally provided with handwheel 10, and the handwheel 10 is rotatably connected with lifting screw 6 also by gear, uses
Lift in control lifting screw 6 manually.
5 upper surface of the increased pressure board is additionally provided with positioning groove plate 15, for positioning and shelving sample 9.In the present embodiment, it is fixed
Position frid 15 is consistent with 5 plane specification of increased pressure board, and thickness is 1.2cm, a diameter of 39.1mm of locating slot of wherein positioning groove plate 15,
Thickness is 0.5cm.
Screw thread is additionally provided with the support bar 8 and the position of the installation of platform 2 of bearing responsibility, and is fixed by nut 1.The present embodiment
In, the length of screw thread is 8cm, can meet unconfined compression strength test of the height for 2cm～10cm samples.Nut 1 is six sides
Shape nut, can be using the double nut structure of upper and lower multiple twin when platform 2 is born responsibility in fastening, it is ensured that its tightness.
It is also equipped with balancing chi 7 on the platform 2 of bearing responsibility, balance chi 7 is provided with fluorescence air level.In the present embodiment, balance
Chi 7 includes three level(l)ing bubbles, is fluorescence high-resolution scale-up version bubble, respectively level, vertical, 45 ° of incline directions, its length
For 10cm, adhered to by acrylic glue level and born responsibility on platform 2.
2 bottom surface of platform of bearing responsibility is bolted to connection with the top of pressure sensor 3, the pressure sensor 3
Bottom be fixedly connected also by bolt with the upper surface of top deck 4.In the present embodiment, the maximum pressure which can bear by bolt
Power is 10KN, and precision is 0.1N.
The present embodiment work process is as follows：
1st, the manufacturing process reference of sample 9《Highway earthwork test rule》（JTG E40-2007）, sample 9 it is a diameter of
39.1mm, is highly 80mm；
2nd, balance chi 7 is adhered to by acrylic glue and is born responsibility on platform 2, make 7 top edge of balance chi and 2 top of platform of bearing responsibility
Edge is concordant；
3rd, the position according to the nut 1 on 9 height adjusting support bar 8 of sample, so as to adjust the height of platform 2 of bearing responsibility, then
It is finely adjusted by balance chi 7 flat；
4th, by pressure sensor 3 by high intensity spiral shell select with bear responsibility platform 2 and top deck 4 is connected；
5th, the impurity on increased pressure board 5 is removed, positioning groove plate 15 is placed on above so as to 5 side of marginal portion and increased pressure board
Edge flush with portions；
6th, one layer of vaseline is smeared at 9 two ends of sample, when dry, also need to smear one layer of vaseline around sample 9, prevent
Moisture evaporation, is then placed on sample 9 in the locating slot of positioning groove plate 15；
7th, pressure sensor 3, the wire between dynamometer 12, data acquisition end 13 are connected, and by 11 He of lifting controller
The plug at data acquisition end 13 is inserted on socket；
8th, handwheel 10 is rotated, is slowed down the rotating speed of handwheel 10 when 9 fast contact top deck 4 of sample, is observed 12 registration of dynamometer,
Registration is changed into stopping operating during 0.1N；
9th, 12 registration of dynamometer is reset by data acquisition end 13, opens 11 power switch of lifting controller, press
Button is risen, lifting screw 6 and increased pressure board 5 is at the uniform velocity increased with the speed of 1mm/min；
10th, the data of observed data collection terminal 13, when peak value occurs in reading, stop after proceeding 3%～5% strain
Test；When reading is without peak value, test should proceed to till strain reaches 20%；
11st, off-test, presses the decline button on lifting controller 11, removes sample 9, and clears up in positioning groove plate 15
Hack particle.
Claims (6)
1. a kind of strain controlling formula unconfined compression strength test device, is provided with the cabinet of motor and gear including inside
（14）, the output shaft of the motor is by gear and lifting screw（6）It is rotatably connected, lifting controller（11）By wire with
Motor connects, for controlling lifting screw（6）Automatic lifting, it is characterised in that：
The lifting screw（6）Top and increased pressure board（5）Bottom surface is fixedly connected, the increased pressure board（5）Upper surface is used for shelving
Sample（9）, and to sample in process of the test（9）Formation upwards pressure；
The cabinet（14）Upper surface two ends are respectively vertically installed with a support bar（8）, two support bars（8）Top between pacify
Equipped with platform of bearing responsibility（2）, the platform of bearing responsibility（2）Bottom surface and pressure sensor（3）Top connection, the pressure sensor（3）
Bottom and top deck（4）Upper surface connection, the top deck（4）Positioned at sample（9）Upper end；
The pressure sensor（3）By wire and dynamometer（12）Connection, the dynamometer（12）Adopted with data by wire
Collection end（13）Connection.
2. strain controlling formula unconfined compression strength test device according to claim 1, it is characterised in that：The cabinet
（14）Side is additionally provided with handwheel（10）, the handwheel（10）Also by gear and lifting screw（6）It is rotatably connected, for control manually
Lifting screw processed（6）Lifting.
3. strain controlling formula unconfined compression strength test device according to claim 1, it is characterised in that：The pressurization
Plate（5）Upper surface is additionally provided with positioning groove plate（15）, for positioning and shelving sample（9）.
4. strain controlling formula unconfined compression strength test device according to claim 1, it is characterised in that：The support
Bar（8）With platform of bearing responsibility（2）Screw thread is additionally provided with the position of installation, and passes through nut（1）It is fixed.
5. strain controlling formula unconfined compression strength test device according to claim 1, it is characterised in that：It is described to bear responsibility
Platform（2）On be also equipped with balance chi（7）, balance chi（7）It is provided with fluorescence air level.
6. strain controlling formula unconfined compression strength test device according to claim 1, it is characterised in that：It is described to bear responsibility
Platform（2）Bottom surface and pressure sensor（3）Top be bolted to connection, the pressure sensor（3）Bottom with it is upper
Board（4）Upper surface be fixedly connected also by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094071.3U CN206038448U (en) | 2016-09-30 | 2016-09-30 | Compliance control formula unconfined compression strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094071.3U CN206038448U (en) | 2016-09-30 | 2016-09-30 | Compliance control formula unconfined compression strength test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038448U true CN206038448U (en) | 2017-03-22 |
Family
ID=58296780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621094071.3U Expired - Fee Related CN206038448U (en) | 2016-09-30 | 2016-09-30 | Compliance control formula unconfined compression strength test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038448U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631934A (en) * | 2017-10-26 | 2018-01-26 | 新疆大学 | A kind of high temperature is without confining pressure instrument |
| CN108152152A (en) * | 2018-01-03 | 2018-06-12 | 上海市城市建设设计研究总院（集团）有限公司 | Full-automatic duplex pressure at right angle device |
| CN108152135A (en) * | 2017-12-13 | 2018-06-12 | 太原理工大学 | Cement earth pile device for measuring properties and measuring method |
| CN108489823A (en) * | 2018-03-30 | 2018-09-04 | 青岛理工大学 | Strain control type low-temperature unconfined compression instrument |
| CN109490092A (en) * | 2018-12-20 | 2019-03-19 | 四川正升环保科技有限公司 | A kind of sxemiquantitative unconfined compressive strength tester |
| CN110736664A (en) * | 2019-11-06 | 2020-01-31 | 中南大学 | Unconfined compressive strength test sample positioning system |
| CN111474023A (en) * | 2020-04-07 | 2020-07-31 | 中铁十二局集团有限公司 | Unconfined compressive strength test piece manufacturing and demolding integrated machine |
| CN111964770A (en) * | 2020-07-29 | 2020-11-20 | 重庆火后草科技有限公司 | Sensor loading mechanism and sensor rapid calibration device |
| CN113865972A (en) * | 2021-10-13 | 2021-12-31 | 西安石油大学 | Outdoor combined rock mechanical property analysis device |
-
2016
- 2016-09-30 CN CN201621094071.3U patent/CN206038448U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631934A (en) * | 2017-10-26 | 2018-01-26 | 新疆大学 | A kind of high temperature is without confining pressure instrument |
| CN108152135A (en) * | 2017-12-13 | 2018-06-12 | 太原理工大学 | Cement earth pile device for measuring properties and measuring method |
| CN108152152A (en) * | 2018-01-03 | 2018-06-12 | 上海市城市建设设计研究总院（集团）有限公司 | Full-automatic duplex pressure at right angle device |
| CN108489823A (en) * | 2018-03-30 | 2018-09-04 | 青岛理工大学 | Strain control type low-temperature unconfined compression instrument |
| CN109490092A (en) * | 2018-12-20 | 2019-03-19 | 四川正升环保科技有限公司 | A kind of sxemiquantitative unconfined compressive strength tester |
| CN110736664A (en) * | 2019-11-06 | 2020-01-31 | 中南大学 | Unconfined compressive strength test sample positioning system |
| CN111474023A (en) * | 2020-04-07 | 2020-07-31 | 中铁十二局集团有限公司 | Unconfined compressive strength test piece manufacturing and demolding integrated machine |
| CN111964770A (en) * | 2020-07-29 | 2020-11-20 | 重庆火后草科技有限公司 | Sensor loading mechanism and sensor rapid calibration device |
| WO2022022304A1 (en) * | 2020-07-29 | 2022-02-03 | 重庆火后草科技有限公司 | Sensor loading mechanism, and sensor rapid calibration device |
| CN113865972A (en) * | 2021-10-13 | 2021-12-31 | 西安石油大学 | Outdoor combined rock mechanical property analysis device |
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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 |
Granted publication date: 20170322 Termination date: 20170930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |