CN205844106U - A kind of two-sided layer electric shearing equipment - Google Patents
A kind of two-sided layer electric shearing equipment Download PDFInfo
- Publication number
- CN205844106U CN205844106U CN201620348213.8U CN201620348213U CN205844106U CN 205844106 U CN205844106 U CN 205844106U CN 201620348213 U CN201620348213 U CN 201620348213U CN 205844106 U CN205844106 U CN 205844106U
- Authority
- CN
- China
- Prior art keywords
- electric cylinder
- box
- sample
- shear box
- pressure sensor
- 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
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of two-sided layer electric shearing equipment, three, upper, middle and lower shear box it is provided with on sole plate, it is provided with bearing plate on the upper surface of upper shear box, pressurization disk it is provided with on bearing plate, pressurization disk is provided above A pull pressure sensor and the extension bar with press perpendicular electric cylinder is connected, and balance column is provided with vertical displacement sensor contacts pressurization disk；Intermediate shear box is also connected with B pull pressure sensor, and B pull pressure sensor is connected with the level pressurization electric cylinder on slide rail base, and intermediate shear box is provided with displacement infrared transmitter；Being additionally provided with switch board on sole plate, switch board controls the stroke adjustment of each electric cylinder and the generating date to sensor；This instrument can be used for undisturbed soil sample, disturbed sample and soft rock sample are carried out shear strength testing experiment, and whole process of the test includes the collection of sample after the installation of sample, the carrying out of test and test, convenient dress sample and unload sample operation.
Description
Technical field
This utility model belongs to Geotechnical Engineering field, is specifically related to be applied to the two-sided layer electric shearing equipment of one of Rock And Soil.
Background technology
The shearing strength of Rock And Soil refers to the limit capacity of Rock And Soil opposing failure by shear, is that the important mechanics of Rock And Soil refers to
One of mark.Substantial amounts of engineering practice shows, the destruction of Retaining Structures, the generation on all kinds landslide and buildings or structures ground
The destruction overwhelming majority of base belongs to failure by shear, therefore study the shearing strength rule of Rock And Soil for engineering design, construction and
Management all has very important theoretical and practical significance.The test measuring Rock And Soil Shear Strength Index is referred to as cutting of Rock And Soil
Cutting test, test method has indoor shearing test and in-situ shear test.Owing to laboratory test stress condition understands, easily repeat and
Spending low, the application of relatively in-situ shear test is wider.
Current indoor shearing test both domestic and external mainly has direct shear test and triaxial compressions shearing test, wherein direct shear test
The direct shear apparatus used mostly is single box direct shear apparatus and tetrad is cut.Two kinds of direct shear apparatuses use the circular cutout box that size is less, test
In journey, stress concentration phenomenon is more serious, affects test result；The applying of the vertical load of instrument all uses leverage, is executing
Can occur after adding counterweight to tilt largely, cause the vertical load loss acting on sample bigger；The horizontal shear of instrument
Applying then use worm-and-wheel gear, horizontal shear displacement can only be controlled, i.e. realize strain controlling formula shearing test, it is impossible to execute
Add constant shearing to measure the deformation rule of sample failure by shear, and sample is sent out only along the single contact surface of upper and lower shear box
Raw destruction.
Practical Project situation shows, the destruction of Retaining Structures, the generation on all kinds landslide and buildings or structures ground
The destruction of base is not a smooth shear surface, is more to occur that obvious shear band destroys, it is therefore necessary to certain thick
The shear band of degree carries out shear strength test, and the current research for shear band shearing strength is also little, and main cause is scarce
The weary two-sided cutting instrument matched with this research.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the purpose of this utility model is to provide a kind of two-sided electrical shear
Instrument, is a kind of to realize Rock And Soil stress, the integrated product of strain controlling shearing test, it is possible to realize being further applied load, cutting
The accurate control of cutting speed degree, thus realize Stress Control formula dual shear test and strain controlling formula dual shear test, have
The feature being evenly distributed by load in higher stability and reliability, process of the test.
In order to achieve the above object, the technical solution of the utility model is:
A kind of two-sided layer electric shearing equipment, including sole plate 1, sole plate 1 is provided with down cut box 4, down cut box 4
It is followed successively by intermediate shear box 5 and upper shear box 7, down cut box 4 and upper shear box 7 both sides above respectively by shear box connection method
Blue 3,6 are connected with the balance column 16 of both sides, the upper surface of upper shear box 7 is provided with bearing plate 8, bearing plate 8 is provided with
Bearing column 9, bearing column 9 is provided above pressurization disk 10, and pressurization disk 10 is provided above A pull pressure sensor 11, and A pressure passes
The upper end of sensor 11 is connected with the extension bar of press perpendicular electric cylinder 13 by A ball pivot, and the balance column 16 of both sides passes through crossbeam
14 is affixed, and wherein the balance column 16 of side is provided with vertical displacement sensor 19 by vertical displacement sensor stand 18, hangs down
Straight displacement transducer 19 contacts pressurization disk 10；Altitude mixture control electric cylinder bearing it is additionally provided with in the outside of two balance columns 16
22, altitude mixture control electric cylinder bearing 22 is connected by connecting bolt 21 altitude mixture control electric cylinder 20, altitude mixture control electric cylinder 20
Extension bar be connected with extension rod 34 by chain female connector 17；The two ends of crossbeam 14 are connected with extension rod 34 by clamp nut 15,
Intermediate shear box 5 is connected with B pull pressure sensor 26 by oscillating bearing 24, B ball pivot 25, B pull pressure sensor 26 one end and
The rotating shaft 29 of level pressurization electric cylinder 33 is connected, and level pressurization electric cylinder 33 is arranged on by level pressurization electric cylinder bearing 31
On slide rail base 32, slide rail base 32 is arranged on sole plate 1 by horizontal slide rail 28, and intermediate shear box 5 is provided with position
Move infrared transmitter 23, slide rail base 32 is provided with displacement infrared receiver instrument 27；Switch board 2 it is additionally provided with on sole plate 1,
Switch board 2 controls press perpendicular electric cylinder 13, altitude mixture control electric cylinder 20 and the stroke adjustment of level pressurization electric cylinder 33, is loaded on
The data collecting card of switch board 2 is for gathering vertical displacement sensor, A pull pressure sensor 11 and B pull pressure sensor 26
Real time data also processes.
It is respectively arranged with trapezoidal groove 35 between the shear box of three, described upper, middle and lower.
It is provided with tank 36 outside described down cut box.
Feature of the present utility model:
1), this utility model instrument be a kind of two-sided layer electric shearing equipment, be widely used, undisturbed soil sample, disturbed soil can be carried out
The strain controlling formula dual shear test of sample and soft rock, Stress Control formula dual shear test.
2), the square cutouts box of this utility model instrument selection 20cm × 20cm × 40cm test, shear box size
Relatively big, well improve the problem that small sample shear stress is concentrated, the test data recorded can reflect soil sample more realistically
Mechanical property.
3), this utility model instrument between the shear box of upper, middle and lower, be respectively provided with trapezoidal groove for installing steel ball,
Can effectively reduce the frictional dissipation in shear history.
4), this utility model instrument outside down cut box, be provided with tank, the shear strength test of saturated sample can be carried out.
5), this utility model instrument be provided with altitude mixture control electric cylinder, can (include vertically adding by crossbeam and Vertical loading mechanism
Press electric cylinder, ball pivot, pull pressure sensor, pressurization disk, hold column and bearing plate) overall lifting, and be provided with on sole plate
Horizontal slide rail, has trapezoidal groove at down cut box, is used for installing steel ball, and this design is easy to vertically add the removal of shear box entirety
Carrying position, convenient dress sample operates with unloading sample.
6), pressure at right angle loading system and the horizontal shear loading system of this utility model instrument is abandoned original lever and is added
Mounted mechanism, the electric cylinder using service behaviour more reliable is further applied load, and is furnished with S type pull pressure sensor, can record and act on
The true pressure of sample and shearing.And electric cylinder pressue device compact conformation, lightweight, pollution-free, easy to maintenance, make whole instrument
Device is more succinct, it is to avoid hydraulic pressure or Pneumatic loading pipeline is complicated, be not easy to the shortcomings such as maintenance.Electric cylinder has relatively simultaneously
Big load control scope, it is possible to realize being further applied load, the accurate control of shear rate, thus realize Stress Control formula double shear
Cut test and strain controlling formula dual shear test, there is higher stability and reliability.
7), the vertical load of this utility model instrument puts on sample by bearing plate, bearing column, pressurization disk, it is ensured that
Sample load in process of the test is uniformly distributed.
8), this utility model instrument use shear box adpting flange connect upper and lower shear box and column respectively, make to shear
In journey, upper and lower shear box reaches good fixed effect, it is thus achieved that shear strength parameter more accurately.
9), each parts of this utility model instrument all use mechanical connection, the particularly convenient maintenance carrying out parts and replacing,
Provide convenience for saving use cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is upper shear box 7 structural representation of the present utility model.
Fig. 3 is intermediate shear box 5 structural representation of the present utility model.
Fig. 4 is down cut box 4 structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is done narration in detail.
A kind of two-sided layer electric shearing equipment, including sole plate 1 for keeping the stability of whole instrument host, sole plate
It is provided with down cut box 4 on 1, is mainly used in fixing tested sample lower end；Intermediate shear box 5 He it is followed successively by above down cut box 4
Upper shear box 7, down cut box 4 and upper shear box 7 both sides are respectively by the balance column 16 of shear box adpting flange 3,6 with both sides
Connect, the upper surface of upper shear box 7 is provided with bearing plate 8, for upper vertical pressure is applied to tested sample；Bearing plate
Being provided with bearing column 9 on 8, for effectively transmitting uniform pressure at right angle, bearing column 9 is provided above pressurization disk 10, is used for applying
Pressure at right angle, has uniform pressure distribution function；Pressurization disk 10 is provided above A pull pressure sensor 11, is used for measuring vertical tension and compression
Power, the upper end of A pull pressure sensor 11 is connected with the extension bar of press perpendicular electric cylinder 13 by A ball pivot, and the balance of both sides is stood
Post 16 is affixed by crossbeam 14, and crossbeam 14 plays the steady function of whole instrument；It is additionally provided with in the outside of two balance columns 16
Altitude mixture control electric cylinder bearing 22, altitude mixture control electric cylinder bearing 22 is connected by connecting bolt 21 altitude mixture control electric cylinder
20, act primarily as the effect of lifting bearing plate, the extension bar of altitude mixture control electric cylinder 20 is connected with extension rod 34 by chain female connector 17；
The two ends of crossbeam 14 are connected with extension rod 34 by clamp nut 15, and intermediate shear box 5 is by oscillating bearing 24, B ball pivot 25 and B
Pull pressure sensor 26 connects, and B pull pressure sensor 26 is used for measuring horizontal pressure, B pull pressure sensor 26 one end and water
The rotating shaft 29 of flat pressurization electric cylinder 33 is connected, rotating shaft 29, pressurizes electric cylinder 33 for support level, and has level and coaxially regulate
Function；30 is fastening bolt, and level pressurization electric cylinder 33 is arranged on slide rail base 32 by level pressurization electric cylinder bearing 31
On, level pressurization electric cylinder bearing 31, connect for level pressurization electric cylinder and slide rail base, and can adjust along slide rail base level
Joint, level pressurization electric cylinder bearing 31 and slide rail base 32 pass through fastening bolt 30 and connect, and slide rail base 32 passes through horizontal slide rail
28 are arranged on sole plate 1, intermediate shear box 5 are provided with displacement infrared transmitter 23 for launching infrared signal, slide rail
Displacement infrared receiver instrument 27 it is provided with, for receiving the infrared signal that displacement infrared transmitter 23 sends on base 32；The end, basis
Being additionally provided with switch board 2 on seat 1, switch board 2 controls press perpendicular electric cylinder 13, altitude mixture control electric cylinder 20 and level and adds piezoelectricity
The stroke adjustment of dynamic cylinder 33, is loaded on the data collecting card of switch board 2 for gathering vertical displacement sensor, A pull pressure sensor
The real time data of 11 and B pull pressure sensor 26 also processes.
Being respectively provided with trapezoidal groove 35 between the shear box of three, described upper, middle and lower, be used for installing steel ball, reduction rubs
Wiping power.
Being provided with tank 36 outside described down cut box, the purpose arranging tank is for cutting saturated loess sample
Cut test, to ensure that the moisture content of sample is stable in process of the test.
Operation principle of the present utility model is:
This instrument can be used for undisturbed soil sample, disturbed sample and soft rock sample are carried out shear strength testing experiment, whole examination
The process of testing includes the collection of sample after the installation of sample, the carrying out of test and test.
Sample is installed
Another at altitude mixture control electric cylinder 20 and symmetric position is switched on power with type electric cylinder so that it is start work
Making, now crossbeam 14 and Vertical loading mechanism are (by press perpendicular electric cylinder 13, A ball pivot 12, pull pressure sensor 11, pressurization disk
10, hold column 9, bearing plate 8 forms) promoted by entirety, carry when rising to the maximum that extreme higher position i.e. reaches set by switch board 2
When rising displacement, left and right sides altitude mixture control electric cylinder 20 quits work.Now can start the filling work of sample, will down cut
Box 4, intermediate shear box 5 and upper shear box 7 entirety translate out Vertical loading position along horizontal slide rail 28, the sample that will have cut
It is positioned in shear box.After treating that sample fills, shear box entirety is retracted Vertical loading position along horizontal slide rail 28, determines
After good position, shear box adpting flange 3 and 6 is connected fixing with down cut box 4 and upper shear box 7 respectively.It is again started up height
Regulation electric cylinder 20 inverts, and top load maintainer begins to decline, until electric cylinder when bearing plate 8 contacts with upper shear box 7
20 quit work, and column 9 and bearing plate 8 connecting bolt are held in fastening, and install vertical displacement sensor stand 18 and vertical position
Displacement sensor 19 is in position shown in Fig. 1.
Process of the test
With bolt by horizontal addload mechanism (by oscillating bearing 24, ball pivot 25, pull pressure sensor 26, rotating shaft 29, fastening spiral shell
Bolt 30, level pressurization electric cylinder bearing 31, level pressurization electric cylinder 33 form) oscillating bearing 24 and intermediate shear box 5 double
After auricle is attached, tighten fastening bolt 30, complete whole instrument and connect, shearing test can be carried out.
After formally starting test, first start press perpendicular electric cylinder 13 and move downward, apply by test requirements document certain big
Little pressure at right angle, pass sequentially through ball pivot 12, pull pressure sensor 11, pressurization disk 10, hold column 9, bearing plate 8 be transferred to examination
Sample.Secondly, start level pressurization electric cylinder 33, apply a certain size horizontal shear by test requirements document or set certain shearing
Speed, passes sequentially through pull pressure sensor 26, ball pivot 25, oscillating bearing 24 reach intermediate shear box 5, it is achieved horizontal shear.In
Between shear box 5 (as shown in Figure 2), upper shear box 7 (as shown in Figure 3) and down cut box 4 (as shown in Figure 4) have trapezoidal recessed
Groove, is used for placing steel ball, it is simple to intermediate shear box 5 is led on edge under horizontal shear effect relative to upper shear box 7 and down cut box 4
Rail moves, and reduces frictional resistance, to eliminate the test error that friction causes as far as possible.
In whole process of the test, data collecting system Real-time Collection pull pressure sensor 11 and 26, vertical displacement sensing
Device 19 and the data of displacement infrared receiver instrument 27, and carry out data process.
Sample collection after test
After off-test, stop level pressurization electric cylinder 33 and press perpendicular electric cylinder 13, start altitude mixture control electric cylinder
20 promote Vertical loading mechanism, separate oscillating bearing 24 and the ears sheet of intermediate shear box 5.By down cut box 4, intermediate shear box
5 and upper shear box 7 entirety translate out Vertical loading position along horizontal slide rail 28, it is simple to artificial separate the shearing of three, upper, middle and lower
Box, the sample state observing two shear surfaces directly perceived and collecting scissors tangent plane sample carry out physical and mechanical parameter test analysis.
Claims (3)
1. a two-sided layer electric shearing equipment, including sole plate (1), it is characterised in that sole plate is provided with down cut on (1)
Box (4), is followed successively by intermediate shear box (5) and upper shear box (7), down cut box (4) and upper shear box above down cut box (4)
(7) both sides are connected with the balance column (16) of both sides by shear box adpting flange (3,6) respectively, the upper end of upper shear box (7)
Being provided with bearing plate (8) on face, bearing plate (8) is provided with bearing column (9), bearing column (9) is provided above pressurization disk (10),
Pressurization disk (10) is provided above A pull pressure sensor (11), and A ball pivot is passed through with vertical in the upper end of A pull pressure sensor (11)
The extension bar of pressurization electric cylinder (13) connects, and the balance column (16) of both sides is affixed by crossbeam (14), the wherein balance of side
Column (16) is provided with vertical displacement sensor (19), vertical displacement sensor (19) by vertical displacement sensor stand (18)
Contact pressurization disk (10)；Be additionally provided with altitude mixture control electric cylinder bearing (22) in the outside of two balance columns (16), height is adjusted
Section electric cylinder bearing (22) is connected by connecting bolt (21) altitude mixture control electric cylinder (20), altitude mixture control electric cylinder (20)
Extension bar is connected with extension rod (34) by chain female connector (17)；Clamp nut (15) and extension rod are passed through in the two ends of crossbeam (14)
(34) connecting, intermediate shear box (5) is connected with B pull pressure sensor (26) by oscillating bearing (24), B ball pivot (25), B tension and compression
Force transducer (26) one end is connected with the rotating shaft (29) of level pressurization electric cylinder (33), and level pressurization electric cylinder (33) passes through level
Pressurization electric cylinder bearing (31) is arranged on slide rail base (32), and slide rail base (32) is arranged on base by horizontal slide rail (28)
On plinth base (1), intermediate shear box (5) being provided with displacement infrared transmitter (23), slide rail base is provided with displacement on (32)
Infrared receiver instrument (27)；Being additionally provided with switch board (2) on sole plate (1), switch board (2) controls press perpendicular electric cylinder
(13), altitude mixture control electric cylinder (20) and level pressurization electric cylinder (33) stroke adjustment, be loaded on the data acquisition of switch board (2)
Card is used for gathering vertical displacement sensor, A pull pressure sensor (11) and the real time data of B pull pressure sensor (26) and carrying out
Process.
The two-sided layer electric shearing equipment of one the most according to claim 1, it is characterised in that three, described upper, middle and lower shearing
Trapezoidal groove (35) it is respectively arranged with between box.
The two-sided layer electric shearing equipment of one the most according to claim 1, it is characterised in that described down cut box is outside equipped with
Tank (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348213.8U CN205844106U (en) | 2016-04-22 | 2016-04-22 | A kind of two-sided layer electric shearing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348213.8U CN205844106U (en) | 2016-04-22 | 2016-04-22 | A kind of two-sided layer electric shearing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844106U true CN205844106U (en) | 2016-12-28 |
Family
ID=57628210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620348213.8U Expired - Fee Related CN205844106U (en) | 2016-04-22 | 2016-04-22 | A kind of two-sided layer electric shearing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844106U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655757A (en) * | 2017-09-12 | 2018-02-02 | 中国矿业大学 | The performance detection pilot system of floor after a kind of pillar failure |
| CN109870369A (en) * | 2019-04-03 | 2019-06-11 | 河南交通职业技术学院 | A kind of hydraulic pressure-shear test machine |
| CN110530739A (en) * | 2019-08-26 | 2019-12-03 | 常熟市徐润机电有限公司 | Full-automatic tetrad strain controlling formula direct shear apparatus |
| CN116593323A (en) * | 2023-07-19 | 2023-08-15 | 常州市建筑材料研究所有限公司 | Special detection device of building block brickwork shear strength |
-
2016
- 2016-04-22 CN CN201620348213.8U patent/CN205844106U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655757A (en) * | 2017-09-12 | 2018-02-02 | 中国矿业大学 | The performance detection pilot system of floor after a kind of pillar failure |
| CN109870369A (en) * | 2019-04-03 | 2019-06-11 | 河南交通职业技术学院 | A kind of hydraulic pressure-shear test machine |
| CN110530739A (en) * | 2019-08-26 | 2019-12-03 | 常熟市徐润机电有限公司 | Full-automatic tetrad strain controlling formula direct shear apparatus |
| CN110530739B (en) * | 2019-08-26 | 2024-02-27 | 常熟市徐润机电有限公司 | Full-automatic four-linkage strain control type direct shear apparatus |
| CN116593323A (en) * | 2023-07-19 | 2023-08-15 | 常州市建筑材料研究所有限公司 | Special detection device of building block brickwork shear strength |
| CN116593323B (en) * | 2023-07-19 | 2023-11-14 | 常州市建筑材料研究所有限公司 | Special detection device of building block brickwork shear strength |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105758738A (en) | Electric double-surface shear apparatus | |
| CN205844106U (en) | A kind of two-sided layer electric shearing equipment | |
| CN201034921Y (en) | Concrete in compression slowly changing experiment tester | |
| CN208223940U (en) | Concrete hardness testing device in a kind of building | |
| CN202974240U (en) | Rudder clearance measurement device | |
| CN100588946C (en) | Elastic element creep testing method and tester thereof | |
| CN103344495B (en) | Rigid bearing plate center pit method servocontrol deep rock-mass deformation test unit and method thereof | |
| CN104713788A (en) | Strain-control type tension-shearing direct shear apparatus | |
| CN106370528A (en) | Portable rock structure surface direct shearing tester | |
| CN103134729B (en) | Stress-strain control type direct shear apparatus | |
| CN104062180A (en) | Experiment device and method for testing uniaxial drawing property of soil body | |
| CN201876388U (en) | Three DOF plane loading device | |
| CN110629812A (en) | Loading test device and method for vertical dynamic and static loads of single pile | |
| CN106840919A (en) | A kind of Rock And Soil direct shear test instrument for quick and precisely pressurizeing | |
| CN204781019U (en) | Multi -functional model test stake | |
| CN201600305U (en) | Pressure testing machine | |
| CN107179242B (en) | A kind of manual simplified true triaxil tester | |
| CN111351700A (en) | Paddy field soil mechanics parameter measuring equipment | |
| CN105319123A (en) | Multifunctional model test pile | |
| CN104237118A (en) | Novel micro-control dynamic friction coefficient tester | |
| CN202676449U (en) | Load controllable passive type servo-actuated force application linear guide rail pair test device | |
| CN106644329B (en) | 120MN bridge support testing machine for high-precision dynamic measurement | |
| CN204027913U (en) | Bearing Capacity in Soil of Foundation Bed proving installation | |
| CN206339330U (en) | Zero passage continuous force calibrating device for sensors | |
| CN102359853B (en) | Dynamic property and response comparison experiment device for frame structure |
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: 20161228 Termination date: 20190422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |