CN206362624U - A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device - Google Patents

A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device Download PDF

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Publication number
CN206362624U
CN206362624U CN201620786958.2U CN201620786958U CN206362624U CN 206362624 U CN206362624 U CN 206362624U CN 201620786958 U CN201620786958 U CN 201620786958U CN 206362624 U CN206362624 U CN 206362624U
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China
Prior art keywords
cutting ferrule
motor
servo
coal petrography
miniature
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Expired - Fee Related
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CN201620786958.2U
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Chinese (zh)
Inventor
赵毅鑫
彭磊
彭峰
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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Abstract

Received the utility model discloses a kind of small-angle scattering research coal petrography material and see compression shear torsion device.Described device includes the miniature motor of servo first, epicyclic gearbox, magneto-electric encoder, nut rotary type leadscrew, ball-type nut slider, guide rail, fixing end, pressure sensor, multichannel collecting end, LabVIEW virtual instruments data collecting system, cutting ferrule, screw, foil gauge, loading end, the motor of miniature servo second, the miniature motor of servo the 3rd of torsion.The utility model is by micromachine by driving epicyclic gearbox and then realizing nut rotary type leadscrew fortune transmission, loading end ball-type nut slider under micro servo motor driving effect drives cutting ferrule to be fed along guide rail to fixing end, cutting ferrule and fixing end by two kinds of different type otch each having so that coal petrography sample to be studied be fixed in be compressed, shear thereon, torsion test, realize the compression of nanoscale coal petrography MATERIALS ' DYNAMIC, shearing, reverse in nanoaperture structure change detect.

Description

A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device
Technical field
The utility model is related to small-angle scattering in-situ compression shear and turns round field, more particularly to a kind of small-angle scattering research coal petrography material Sight compression shear of receiving turns round device.
Background technology
Nano material mechanics performance changes response characteristic concerning its mechanics and micropore structure.Nano material elastoplasticity bar Internal nanoscale micropore structure change is the beginning of coal petrography material damage under part, and material damage is always scientific and engineering The focus that boundary is discussed.Existing coal petrography material testing system is started with from the destruction of macro-scale, based on big after macroscopic failure Yardstick crack characterizes coal and rock destructive process, and numerical simulation reconstruct is carried out afterwards, and these numerical simulation softwares are in image mistake After noise filtering elimination and image dividing processing, the sample broke morphological feature of large scale can only be characterized, it is impossible to obtain nanoscale Lower coal petrography bulk damage variation characteristic.The tensile failure of coal and rock necessarily refers to the displacement, dislocation, cunning of internal heterogeneous pore structure Dynamic response, pore morphology changes, and nanoaperture quantity and size can also change.And existing coal petrography material testing system without Method obtains dynamic tensile process pore structure under nanoscale and changed, and the lower coal petrography of load effect, which is received, sees the corresponding mechanical model of structure Need to set up on substantial amounts of observation practice first, conventional experiment analytical method obviously can not meet requirement.Therefore it is urgent Need a kind of cost low, it is easy to operate, small volume to be used to test nanoscale under the conditions of the compression of coal petrography material, shearing, torsion Pore structure changes experimental provision, to disclose nanometer sized materials damage process, improves micropore structure change quantification table Levy Research Ability.
Utility model content
The purpose of the utility model embodiment is that proposing that a kind of small-angle scattering research coal petrography material is received sees compression shear torsion device, By the miniature motor of servo first, epicyclic gearbox, magneto-electric encoder, nut rotary type leadscrew, ball-type nut slider, lead Rail, fixing end, pressure sensor, multichannel collecting end, LabVIEW virtual instruments data collecting system, cutting ferrule, screw, strain Piece, loading end, the motor of miniature servo second, the miniature motor of servo the 3rd of torsion carry out sequential combination, the miniature servo first Motor is by driving epicyclic gearbox and then realizing nut rotary type leadscrew fortune transmission, the nut rotary type leadscrew and ball-type Nut slider is in rolling contact, the loading end under micro servo motor driving effect ball-type nut slider drive cutting ferrule along Guide rail is fed to fixing end, and the cutting ferrule is fixed as one by screw with ball-type nut slider, and cutting ferrule leads to fixing end Cross two kinds of different type otch each having so that coal petrography sample to be studied be fixed in be compressed, shear thereon, torsion test. Reach that the compression of nanoscale solid coal petrography MATERIALS ' DYNAMIC is tested under the transmission of neutron small angle scattering and low-angle scattering of X-rays (cuts Cut) during nanoaperture structure change feature purpose.To achieve these goals, the utility model uses following technical side Case:
A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device, including:
The miniature motor of servo first (1), epicyclic gearbox (2), magneto-electric encoder (3), nut rotary type leadscrew (4), Ball-type nut slider (5), guide rail (6), fixing end (7), pressure sensor (8), multichannel collecting end (9), LabVIEW are empty Intend instrument data acquisition system (10), cutting ferrule (11), screw (12), foil gauge (13), loading end (14), the electricity of miniature servo second Machine (15), reverse the miniature motor (16) of servo the 3rd, the micro servo motor (1) by drive epicyclic gearbox (2) and then Realize that nut rotary type leadscrew (3) is driven, the nut rotary type leadscrew (4) is in rolling contact with ball-type nut slider (5), institute State loading end (14) ball-type slide nut under the miniature motor of servo first (1) and the motor of miniature servo second (15) driving effect Block (5) drives cutting ferrule (11) to be fed along guide rail (6) to fixing end (7), and the cutting ferrule (11) passes through screw (12) and ball-type Nut slider (5) is fixed as one, and cutting ferrule (11) is caused with fixing end (7) by two kinds of different type otch each having Coal petrography sample to be studied be fixed in be compressed, shear thereon, torsion test.
Preferably, the micro servo motor its transmission be connected with epicyclic gearbox drive two nut rotary type leadscrews to turn It is dynamic, the rotation of nut rotary type leadscrew so that drive ball-type nut slider along guide rail translation be forced through screw it is solid with thereon Cutting ferrule carries out one-dimensional translation.
Preferably, the cutting ferrule has a slit, and length × width × height is 30mm × 1.5mm × 30mm, and rectangle coal petrography is thin Plate is caught in cutting ferrule in vertical shape and is of coupled connections with cutting ferrule and then is compressed experiment;Cutting ferrule has another oblique Groove, size is all that length × width × height is 30mm × 1.5mm × 30mm, and rectangular thin plate is caught in cutting ferrule into vertical shape and is of coupled connections And then carry out shearing experiment.Rectangle coal petrography thin plate is caught in cutting ferrule in vertical shape and is of coupled connections with cutting ferrule, starts and reverses The miniature motor of servo the 3rd, torsion test under different rates is carried out by controlled motor rotating speed.
Preferably, the device uses the advanced LabVIEW virtual instrument softwares in computer measurement and control field as development platform, By miniature servo control system, the load of pressure sensor, the Displacement-deformation of compression generation, compression speed, coal petrography surface Foil gauge carries out online data monitoring and collection, realizes that Synchronization Control is gathered with data integration by feedback regulation.
Compared with relevant apparatus, the utility model has the following advantages that:
A kind of small-angle scattering research coal petrography material that the utility model is addressed, which is received, sees compression shear torsion device, with miniature servo electricity Machine, nut rotary type leadscrew, ball-type nut slider cutting ferrule, LabVIEW virtual instrument data collecting systems, each compact conformation, Reasonable in design, installing/dismounting is simple;Micro servo motor is by driving epicyclic gearbox and then realizing that nut rotary type leadscrew is transported Transmission, nut rotary type leadscrew is in rolling contact with ball-type nut slider, and the loading end is in micro servo motor driving effect Lower ball-type nut slider drives cutting ferrule to be fed along guide rail to fixing end, and the cutting ferrule passes through screw and ball-type nut slider Be fixed as one, and cutting ferrule and fixing end by two kinds of different type otch each having so that coal petrography sample to be studied is fixed in Be compressed, shear thereon, torsion test.Each structure member production cost is low, and single unit system is simple to operate, finally in neutron Test nanoscale solid coal petrography MATERIALS ' DYNAMIC compression under the transmission of radiation that small-angle scattering or low-angle scattering of X-rays system are produced Nanoaperture structure change feature during (shearing).
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Working effect figure when Fig. 2 is compressed for the sample of the utility model embodiment;
Fig. 3 is the sample of the utility model embodiment by working effect figure during shearing force;
In figure:1-miniature the motor of servo first;2-epicyclic gearbox;3-magneto-electric encoder;4-nut rotary type Leading screw;5-ball-type nut slider;6-guide rail;7-fixing end;8-pressure sensor;9-multichannel collecting end;10— LabVIEW virtual instrument data collecting systems;11-cutting ferrule;12-screw;13-foil gauge;14-loading end;15-miniature The motor of servo second;16-reverse the miniature motor of servo the 3rd.
Embodiment
The utility model is described further below, but protection domain of the present utility model is not limited to following retouched State the scope of embodiment.
With reference to shown in Fig. 1, a kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device, the miniature motor of servo first (1), epicyclic gearbox (2), magneto-electric encoder (3), nut rotary type leadscrew (4), ball-type nut slider (5), guide rail (6), fixing end (7), pressure sensor (8), multichannel collecting end (9), LabVIEW virtual instruments data collecting system (10), Cutting ferrule (11), screw (12), foil gauge (13), loading end (14), the motor of miniature servo second (15), the miniature servo the 3rd of torsion Motor (16), the micro servo motor (1) is by driving epicyclic gearbox (2) and then realizing that nut rotary type leadscrew (3) is passed Dynamic, the nut rotary type leadscrew (4) is in rolling contact with ball-type nut slider (5), and the loading end (14) is in miniature servo Under first motor (1) and the motor of miniature servo second (15) driving effect ball-type nut slider (5) drive cutting ferrule (11) along Guide rail (6) is fed to fixing end (7), and the cutting ferrule (11) is fixed as one by screw (12) with ball-type nut slider (5), and And cutting ferrule (11) and fixing end (7) by two kinds of different type otch each having so that coal petrography sample to be studied is fixed in thereon Be compressed, shear, torsion test.
With reference to shown in Fig. 2, assembling is finished after the utility model, and Thin Rectangular tabular coal petrography is fixed on into position in cutting ferrule (11) Put, be of coupled connections with cutting ferrule, start the miniature motor of servo first (1) and the motor of miniature servo second (15), start LabVIEW virtual instruments data collecting system coordinates small-angle scattering system to carry out the compressed lower nanoaperture knot of rectangular thin plate coal petrography Structure variation monitoring.
With reference to shown in Fig. 3, assembling is finished after the utility model, and Thin Rectangular tabular coal petrography is fixed on into cutting ferrule (11) tiltedly side position Put, be of coupled connections with cutting ferrule, start the miniature motor of servo first (1) and the motor of miniature servo second (15), start LabVIEW virtual instruments data collecting system coordinates small-angle scattering system to carry out rectangular thin plate coal petrography by nanoaperture under shearing force Structure change is monitored.
With reference to shown in Fig. 3, assembling is finished after the utility model, and Thin Rectangular tabular coal petrography is fixed on into position in cutting ferrule (11) Put, be of coupled connections with cutting ferrule, start the miniature motor of servo first (1) and the motor of miniature servo second (15) and reverse microemulsion The motor (16) of type servo the 3rd, starts LabVIEW virtual instruments data collecting system and coordinates small-angle scattering system to carry out Thin Rectangular Plate coal petrography is reversed lower nanoaperture structure change monitoring.

Claims (3)

1. a kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device, it is characterised in that:Including the miniature motor of servo first (1), epicyclic gearbox (2), magneto-electric encoder (3), nut rotary type leadscrew (4), ball-type nut slider (5), guide rail (6), fixing end (7), pressure sensor (8), multichannel collecting end (9), LabVIEW virtual instruments data collecting system (10), Cutting ferrule (11), screw (12), foil gauge (13), loading end (14), the motor of miniature servo second (15), the miniature servo the 3rd of torsion Motor (16), the micro servo motor (1) is by driving epicyclic gearbox (2) and then realizing that nut rotary type leadscrew (4) is passed Dynamic, the nut rotary type leadscrew (4) is in rolling contact with ball-type nut slider (5), and the loading end (14) is in miniature servo Under first motor (1) and the motor of miniature servo second (15) driving effect ball-type nut slider (5) drive cutting ferrule (11) along Guide rail (6) is fed to fixing end (7), and the cutting ferrule (11) is fixed as one by screw (12) with ball-type nut slider (5), and And cutting ferrule (11) and fixing end (7) by two kinds of different type otch each having so that coal petrography sample to be studied is fixed in thereon Be compressed, shear, torsion test.
2. a kind of small-angle scattering research coal petrography material according to claim 1, which is received, sees compression shear torsion device, it is characterised in that:Institute Stating micro servo motor, it is connected two nut rotary type leadscrews rotations of transmission drive, nut rotary type leadscrew with epicyclic gearbox Rotation so that drive ball-type nut slider to be forced through along guide rail translation screw is solid with cutting ferrule thereon to carry out one-dimensional translation.
3. a kind of small-angle scattering research coal petrography material according to claim 1, which is received, sees compression shear torsion device, it is characterised in that:Institute Cutting ferrule is stated with a slit, length × width × height is 30mm × 1.5mm × 30mm, and rectangle coal petrography thin plate is caught in cutting ferrule in vertical shape In and be of coupled connections with cutting ferrule and then be compressed experiment;Cutting ferrule has another skewed slot, size be all it is long × wide × A height of 30mm × 1.5mm × 30mm, rectangular thin plate is caught in cutting ferrule into vertical shape and is of coupled connections and then carries out shearing experiment;Will Rectangle coal petrography thin plate is caught in cutting ferrule in vertical shape and is of coupled connections with cutting ferrule, starts and reverses the miniature motor of servo the 3rd, leads to Cross controlled motor rotating speed and carry out torsion test under different rates.
CN201620786958.2U 2016-07-25 2016-07-25 A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device Expired - Fee Related CN206362624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620786958.2U CN206362624U (en) 2016-07-25 2016-07-25 A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620786958.2U CN206362624U (en) 2016-07-25 2016-07-25 A kind of small-angle scattering research coal petrography material, which is received, sees compression shear torsion device

Publications (1)

Publication Number Publication Date
CN206362624U true CN206362624U (en) 2017-07-28

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Granted publication date: 20170728

Termination date: 20180725