CN106525592B - One kind lifting component and its experimental provision and experimental method - Google Patents
One kind lifting component and its experimental provision and experimental method Download PDFInfo
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- CN106525592B CN106525592B CN201611187095.8A CN201611187095A CN106525592B CN 106525592 B CN106525592 B CN 106525592B CN 201611187095 A CN201611187095 A CN 201611187095A CN 106525592 B CN106525592 B CN 106525592B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0266—Cylindrical specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Abstract
The invention discloses a kind of components of lifting applied to test Tensile Strength of Rock, including, it is used to support the support semi-ring of sampling frid；It is connected and fixed at the top of support semi-ring bottom and lifting screw, lifting screw bottom passes through support plate and driving cylinder is assembled by threaded engagement；Support plate is equipped with installation tray, pickup axis passes through the through-hole being arranged on installation tray, pickup axis, which has, is equipped with pickup cam on two and pickup axis, pickup belt wheel wherein is installed on a pickup axis one end, secondary pickup belt wheel is installed on another pickup axis, connects to form belt drive structure by pickup belt between pickup belt wheel and secondary pickup belt wheel.The invention also discloses containing the above-mentioned experimental provision for lifting component and based on the experimental method of this experimental provision.It is of the invention lift component and can be realized lifted by sampling groove plate support, transfer sample, can either solve the security risk that sample is easy to fall, but can effective protection sample, provide basis for subsequent study.
Description
Technical field
The present invention relates to a kind of material properties of rock test devices, more particularly to a kind of reality for testing Tensile Strength of Rock
Experiment device and that lifts sample lift component.The invention also discloses the experimental methods of above-mentioned experimental provision.
Background technique
In study of rocks mechanical property, the tensile strength of rock is one of research emphasis.Study of rocks at present
There are mainly two types of methods for tensile strength, and one is Brazilian disc split the laws, and one is uniaxial direct tensile methods.
Study of rocks tensile strength mainly uses Brazilian disc split the law at present, pressure when by pressure break rock sample or
Pressure is come the tensile strength for the rock that converts.But to find center line requirement accurately for sample very high for this method, once do not find accurately
It will cause large error, and tensile stress-strain curve can not be obtained, perfect reference can not be provided for the research in later period
Data.
In Patent No. CN2013105070218, the rocks in direct tension experimental provision of entitled sleeve bonding and experiment side
A kind of experimental provision and its experiment that Tensile Strength of Rock is tested using uniaxial direct tensile method is disclosed in the Chinese invention patent of method
Method.It mainly uses the both ends of the fixed rock sample of viscose glue, split cylinder set, lock ring ring, and then sample is stretched, Zhi Daoyan
Stone is pulled off.This mode is although fairly simple, and can obtain tensile stress-strain curve, but only with viscose glue, right
Cylinder set, lock ring ring are opened to fix sample both ends and will lead to that fixation is not firm enough, and safety is low, it is in addition real using viscose glue bonding
Will lead to after testing sample take out when it is very difficult, greatly reduce conventional efficient and progress.
In addition, not lifting or containing tool, this be easy to cause sample to fall, and there are biggish peaces when sample takes out
Full hidden danger.
It, should therefore it is applicant's understanding that it is necessary to design a kind of experimental provision using uniaxial direct tensile method tensile sample
Than it is stronger, be securely fixed sample both ends, and sample can be easily removed after the completion of testing.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind to be applied to test
Tensile Strength of Rock lifts component, can be realized and lifts sample, and experiment is transported to designated position.
It is a kind of containing the above-mentioned experimental provision for lifting component and its experimental method it is another object of the present invention to disclose,
Its use uniaxial direct tensile method test rock sample tensile strength and can securely, be securely fixed sample both ends.
To achieve the above object, the present invention provides a kind of components of lifting applied to test Tensile Strength of Rock, including,
It is used to support the support semi-ring of sampling frid；It is connected and fixed at the top of the support semi-ring bottom and lifting screw, the liter
It drops screw rod bottom and passes through threaded engagement assembly across support plate and the second driving cylinder；
The support plate is equipped with installation tray, and pickup axis passes through the through-hole being arranged on installation tray, and described takes
Part axis, which has, is equipped with pickup cam on two and the pickup axis, wherein pickup belt wheel is installed on a pickup axis one end,
Secondary pickup belt wheel is installed on another pickup axis, is connected between the pickup belt wheel and secondary pickup belt wheel by pickup belt
Form belt drive structure；
A pickup axis therein is connected and fixed far from pickup belt one end and pickup motor output shaft；The pickup electricity
Machine is able to drive the rotation of pickup axis；
The support plate bottom is fixed with guiding axis, and the guide through hole on the guiding axis and cabinet is assembled to branch
Fagging moves up and down offer guiding role；
The lifting screw bottom is fitted into cabinet and drives cylinder screw-internal thread fit with second；
The second driving cylinder, which has, is fixed with driving pulley and driven gear on two and wherein one second driving cylinders,
Driven pulley is fixed on another second driving cylinder；
By going up and down synchronous band connection and forming belt drive structure between the driving pulley and driven pulley；
The driven gear and driving gear is intermeshed to form gear transmission structure, and the driving gear is mounted on
On the output shaft of lifting motor；
The sampling frid is equipped with pickup through slot, and the pickup cam section is ellipse, and the pickup is convex
Wheel includes the maximum longitudinal end of diameter and the smallest short axle end of diameter, and the short axle end highest point is no more than sampling trench bottom；
The chassis bottom is equipped with movable block, and the movable block screws assembly by screw thread and mobile screw, described
Mobile screw both ends be separately fixed in the first fixed plate and the second fixed plate, and the mobile screw can be relative to first
Fixed plate and the rotation of the second fixed plate；
The mobile screw has two, wherein being fixed with mobile belt wheel on an one end, is fixed on another one end
The mobile belt wheel of pair and secondary driving pulley；It is connected between the mobile belt wheel and the mobile belt wheel of pair by mobile belt and forms band and passed
Dynamic structure；
The secondary driving pulley is connect by main drive belt with main driving pulley and forms belt drive structure；
The main driving pulley is fixed on the output shaft of main drive motor.
As a further improvement of the present invention, the longitudinal end highest point is more than trench bottom 0.5-1.2 millimeters of sampling.
A kind of experimental provision for testing Tensile Strength of Rock, including above-mentioned lift component.
As a further improvement of the present invention, further include guide plate, guide rod, stretching assembly, set on the guide plate
There is through-hole, guide rod passes through through-hole and slidably assembles with guide plate；
The guide plate has two pieces, and is respectively and fixedly provided with stretching assembly on the outside of every piece of guide plate；It is characterized in that:
The stretching assembly, including, the component ring being fixed on load bar, the component ring and component strut one end
Hingedly, the component strut other end and the slide cartridge articulated section on slide cartridge are hinged, and the component strut at least two, and
Both ends are evenly distributed on component ring and slide cartridge end；
The slide cartridge further includes top baffle ring, slipper, bottom baffle ring, and the slipper passes through guide plate,
The top baffle ring and bottom baffle ring is located on the outside of guide plate and inside；
Be equipped with recessing groove in the slipper, the top baffle ring with connection is equipped on recessing groove corresponding position
Through slot, the connection through slot section are less than resigning slot cross-section；
The hinged resigning end of the slide cartridge articulated section is fitted into recessing groove, and slide cartridge articulated section and component strut hinged end
It is pierced by connection through slot；
The switching ring inner wall is made of protrusion side plate bending and recess side plate bending, and is equipped in the switching ring inner hole
Handoff block, the handoff block is by switching connecting pin and switches the switching mounting hole assembly in mounting base, and the switching
Connecting pin is fitted into switching mounting hole and is additionally provided with torsional spring on part, and the torsional spring is for maintaining the driving end of handoff block to push up always
Tightly on the inside of switching ring；
Latch driving portion is additionally provided on the outside of the switching ring；
The load bar with switching slot is equipped on handoff block corresponding position, the clamping end of the handoff block is packed into and cuts
It changes in slot；
It is equipped with handling through-hole in the slide cartridge, fixes restraining position ring block in the handling through-hole, on the stop collar
It is provided with an ejection through-hole that load bar can be allowed to pass through；The maximum gauge of the switching ring is without departing from limit ring diameter；
The stop collar is equipped with mounting ring backwards to switching ring one end, is equipped in the mounting ring and clamps hole and described
Assembly ring-side wall be equipped at least two sliding channels；
Described clamping is equipped with quantity clamping arc plate identical with sliding channel in hole, the clamping arc plate includes using
In the arc plate part of clamping sample and across the Slipper of sliding channel, the Slipper can be slided in sliding channel
It is dynamic, and the Slipper end is clamping inclined-plane；
The clamping inclined-plane and driving inclined-plane cooperates, and the driving inclined-plane setting is on the inside of the first driving cylinder and described
First driving cylinder on the outside of with load and unload through-hole wall fix；
The driving inclined-plane is the inclined-plane from sample toward load bar direction gradually up；
There is a slot between the first driving cylinder inner face and the stop collar inner face of stop collar of the first driving cylinder；
Groove width is L3 between slot between described；
The distance between described resigning end end and resigning trench bottom are L2；
The distance between the load bar inner face of the load bar and the first driving cylinder inner face are L1；
The relationship of L1, L2, L3 are as follows:
(L3/8)<L1<(L3/5)；1.5*L2>L1>L2.
As a further improvement of the present invention, the top baffle ring end face, which is equipped with, switches ring, in the switching ring
Heart line and component ring, load bar are on the same line.
As a further improvement of the present invention, the latch driving portion is the tooth that can be engaged with outer gear or rack gear etc.
Shape.
It as a further improvement of the present invention, further include sampling frid, described is clamped between two stretching assembly A, institute
The sampling frid stated is equipped with the arc-shaped sampling groove that a cross section is not more than 1/2 circle；
The axis and mounting ring of internal diameter, the outer diameter of the sampling frid sampling frid identical as mounting ring and described
Axis is overlapped.
As a further improvement of the present invention, a guiding inner ring, the guiding inner ring are fixed on clamping hole inner wall
Thickness should be at least 1.2 times of arc plate segment thickness and guiding inner ring internal diameter should be not less than specimen finish；
It is fixed on the first driving cylinder outer end face and is oriented to semi-ring outside one, the outer guiding semi-ring cross section is not
More than the semicircular ring of 1/2 annulus；
Card holding trough, the card holding trough and sampling groove are formed between the outer guiding semi-ring inner wall and guiding endocyclic outer wall
Board ends assembly.
As a further improvement of the present invention, after the sampling frid and card holding trough assemble, sampling groove is opening up.
A kind of experimental method based on above-mentioned experimental provision, includes the following steps:
Sample both ends are respectively charged into and clamp side contacts outside the arc plate sections inner side for making clamping arc plate in hole and sample by S1；
S2, rotation switching ring are switched to the driving end of handoff block and protrusion side plate bending top by holding out against with recess side plate bending
Tightly, at this point, the clamping end of handoff block is caught in switching slot；
S3 starts hydraulic cylinder, and load bar is made to generate thrust to slide cartridge, and slide cartridge is made to drive driving inclined-plane and clamping inclined-plane card
Tightly；
S4, rotation switching ring, makes that end is driven to restore to hold out against with recess side plate bending, at this point, switching slot is exited at clamping end again；
S5 is driven in the reverse direction hydraulic cylinder, generates load bar far from the pulling force on sample direction, breaks until by sample,
Tensile stress-strain curve is obtained by the oil inlet quantity of hydraulic cylinder, load draw-bar pull during this；
S6, driving main drive motor reach cabinet below sample and sample and sampling groove face；
S7 drives sampling frid when lifting motor to reach the position with card holding trough face, and then load bar drives stretching group
Part assembles card holding trough and sampling groove board ends；
S8 takes out breaked sample, first pulls the stretching assembly of two sides to far from sample direction, blocks until two
Tankage can be with sampling frid assembly, and then installation sampling frid, finally makes load bar apply pressure towards sample direction, until
Sample is ejected into sampling groove；
S9 drives pickup motor, rotates pickup cam, sample is taken out stretching assembly；
S10, load bar pull open stretching assembly toward far from sample direction, until card holding trough A701 is detached from sampling frid
B200；
S11 stops pickup motor, drives lifting motor, makes to sample the position that frid B200 is decreased below guide rod 200
It sets, stops lifting motor；
S12 starts main drive motor, rotates mobile screw, and cabinet and sampling frid are moved to designated position.
The beneficial effects of the present invention are:
1, the present invention can securely fix sample both ends, prevent during the experiment sample fall off and caused by safety it is hidden
Suffer from.
2, the present invention after the end of the experiment, can quickly and easily take out sample, to improve conventional efficient.
3, stretching assembly of the invention can generate self-locking clamping when being stretched to sample, and need to take out examination
Sample can then be released to clamping assembly when sample, it is very convenient, practical.
4, the present invention takes out sample using sampling frid, can prevent sample from falling when taking out, and the examination at both ends
Sample can be fetched into simultaneously in sampling frid, very convenient, fast.
5, the present invention can be realized when taking out sample and release experiment while sample end is unclamped in arc plate part, make
The taking-up for obtaining sample becomes very convenient.
6, component of lifting of the invention can be realized through the act of sampling groove plate support, transfer sample, can either solve sample
Be easy the security risk fallen, but can effective protection sample, provide basis for subsequent research.
7, sample is fetched into sampling groove by the present invention automatically by the realization of pickup cam, saves manpower, is improved and reality
Test efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention.
Fig. 2 is that a kind of stretching assembly structure for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention is shown
It is intended to.
Fig. 3 is that a kind of stretching assembly structure for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention is shown
It is intended to.
Fig. 4 is that a kind of stretching assembly structure for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention is shown
It is intended to.
Fig. 5 is that a kind of stretching assembly for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention is overlooked
Figure.
Fig. 6 is a kind of stretching assembly forward sight for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention
Figure.
Fig. 7 is enlarged drawing at F1 in Fig. 6.
Fig. 8 is a kind of stretching assembly section for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention
Figure.
Fig. 9 is enlarged drawing at F3 in Fig. 8.
Figure 10 is enlarged drawing at F2 in Fig. 8.
Figure 11 is a kind of stretching assembly section for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention
Figure.
Figure 12 is a kind of dismounting sample state for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention
Figure.
Figure 13 is a kind of dismounting sample state for the experimental provision specific embodiment for testing Tensile Strength of Rock of the present invention
Figure.
Figure 14 is that a kind of structure for lifting component specific embodiment applied to test Tensile Strength of Rock of the present invention is shown
It is intended to.
Figure 15 is that a kind of structure for lifting component specific embodiment applied to test Tensile Strength of Rock of the present invention is shown
It is intended to.
Figure 16 is that a kind of structure for lifting component specific embodiment applied to test Tensile Strength of Rock of the present invention is shown
It is intended to.
Figure 17 is that a kind of structure for lifting component specific embodiment applied to test Tensile Strength of Rock of the present invention is shown
It is intended to.
Figure 18 is that a kind of structure for lifting component specific embodiment applied to test Tensile Strength of Rock of the present invention is shown
It is intended to.
Figure 19 is that a kind of structure for lifting component specific embodiment applied to test Tensile Strength of Rock of the present invention is shown
It is intended to.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to Fig. 1 to Figure 11, it is a kind of test Tensile Strength of Rock experimental provision, including guide plate 100, guide rod 200,
Stretching assembly A, the guide plate 100 are equipped with through-hole, and guide rod 200 passes through through-hole and slidably assembles with guide plate 100；
The guide plate 100 has two pieces, and is respectively and fixedly provided with stretching assembly A on the outside of every piece of guide plate 100；
The stretching assembly A, including, the component ring A100 being fixed on load bar 300, the load bar 300 with
The flexible axis connection of hydraulic cylinder is directly the telescopic shaft of hydraulic cylinder, the component ring A100 and component strut A200 mono-
End is hinged, the component strut A200 other end component branch hinged, described with the slide cartridge articulated section A304 on slide cartridge A300
Bar A200 at least two, and both ends are evenly distributed on component ring A100 and the end slide cartridge A300, enable to load bar in this way
300 by component strut A200 be uniform to the power on each slide cartridge articulated section A304 of slide cartridge A300；
The slide cartridge A300 further includes top baffle ring A301, slipper A303, bottom baffle ring A302, the sliding
Part A303 passes through guide plate 100, the top baffle ring A301 and bottom baffle ring A302 be located at 100 outside of guide plate and
Inside；
Be equipped with recessing groove A3031 in the slipper A303, the top baffle ring A301 with recessing groove A3031
Corresponding position is equipped with connection through slot A3011, and the connection section through slot A3011 is less than the section recessing groove A3031；
The hinged resigning end A3041 of the slide cartridge articulated section A304 is fitted into recessing groove A3031, and slide cartridge articulated section
A304 is pierced by with the hinged end component strut A200 and connect through slot A3011；
The top end face baffle ring A301 is equipped with switching ring A400, the switching ring A400 center line and component ring
A100, load bar 300 are on the same line；
The switching ring A400 inner wall is made of several protrusion side plate bending A4021 and recess side plate bending A4022, and described
Switching ring A400 inner hole in be equipped with handoff block A403, the handoff block A403 by switching connecting pin A404 and switching install
Switching mounting hole A40231 assembly on seat A4023, and the switching connecting pin A404 is fitted into switching mounting hole A40231
Torsional spring A405 is additionally provided on part, the torsional spring A405 is for maintaining the driving end A4032 of handoff block A403 to hold out against always
Switch on the inside of ring A400；
It is additionally provided with latch driving portion A401 on the outside of the switching ring A400, the latch driving portion A401 can be energy
The tooth form engaged with outer gear or rack gear etc. is mainly used for driving switching ring A400 rotation；
The load bar 300 on handoff block A403 corresponding position be equipped with switching slot 301, the handoff block A403
Clamping end A4031 can be fitted into switching slot 301；
It is equipped in the slide cartridge A300 in handling through-hole A3032, the handling through-hole A3032 and fixes restraining position ring block
An ejection through-hole A501 that load bar can be allowed to pass through is provided on A500, the stop collar A500；
The maximum gauge of the switching ring A400 is without departing from stop collar A500 diameter；
The stop collar A500 is equipped with mounting ring A502 backwards to switching one end ring A400, in the mounting ring A502
Equipped with clamp hole A5021 and the mounting ring A502 side wall be equipped at least two sliding channel A5022；
Described clamping is equipped with quantity clamping arc plate A900 identical with sliding channel A5022 in the A5021 of hole, described
Clamping arc plate A900 includes for the arc plate part A901 of clamping sample 400 and across the Slipper of sliding channel A5022
A902, the Slipper A902 can be slided in sliding channel A5022, and the end Slipper A902 is clamping
Inclined-plane A9021；
The clamping inclined-plane A9021 and driving inclined-plane A801 cooperates, and the driving inclined-plane A801 setting is driven first
It is fixed on the inside of dynamic cylinder A800 and on the outside of the first driving cylinder A800 with handling through-hole A3032 inner wall；
The stop collar inner face of the first driving cylinder inner face A802 and stop collar A500 of the first driving cylinder A800
There is a slot B100 between A503；
Groove width is L3 between slot B100 between described；
The distance between described resigning end end A3041 and the bottom recessing groove A3031 are L2；
The distance between the load bar inner face 302 of the load bar 300 and the first driving cylinder inner face A802 are L1
(as ejection via depth)；
The relationship of L1, L2, L3 are as follows:
(L3/8)<L1<(L3/5)；
L1>L2；At least 1 millimeter shorter than L1 or more of the L2.
Referring to Figure 12-Figure 13, further, in order to convenient, the sample 400, Ke Yi after experiment is rapidly taken out
One piece of sampling frid B200, the sampling frid B200 are fixed between two stretching assembly A equipped with one before taking out sample 400
Cross section is not more than the arc-shaped sampling groove B201 of 1/2 circle；
Internal diameter, the outer diameter of sampling frid B200 sampling frid B200's identical as mounting ring A502 and described
Axis is overlapped with mounting ring A502 axis.
Further, in order to when easily fixed sampling frid B200 is used without will lead to sampling groove plate B200
Do not allow to be fixed easily and cause inconvenient for use, a guiding inner ring A600 can be fixed on clamping hole A5021 inner wall, described leads
At least 1.2 times of arc plate part A901 thickness are should be to inner ring A600 thickness, i.e., the guiding inner ring A600 is in cross section
Upper partial occlusion arc plate part A901, but the guiding inner ring A600 internal diameter should be not less than 400 diameter of sample, this is main
It is that guiding inner ring A600 interferes clamping for sample 400 in order to prevent；
It is fixed on the first driving cylinder A800 outer end face and is oriented to semi-ring A700, the outer guiding semi-ring outside one
The cross section A700 is the semicircular ring no more than 1/2 annulus；
Card holding trough A701, the card are formed between the outer guiding semi-ring A700 inner wall and guiding inner ring A600 outer wall
Tankage A701 can be with the assembly of the sampling both ends frid B200.
Further, after the sampling frid B200 and card holding trough A701 assembly, sampling groove B201 is opening up.
It further include the carriage assembly for lifting and transporting sampling frid B200, institute further referring to Figure 14-Figure 19
The carriage assembly stated, including, support the semi-ring C100, the support semi-ring C100 for being used to support sampling frid B200 can be with
Sampling frid B200 is fixed or is detachably connected；
It is connected and fixed at the top of the support bottom semi-ring C100 and lifting screw C101, the bottom lifting screw C101
Portion passes through the driving cylinder C102 of support plate C400 and second and is assembled by threaded engagement；
The outside lifting screw C101 is equipped with external screw thread, is equipped with internal screw thread in the second driving cylinder C102,
The external screw thread and internal screw thread can mutually screw assembly；
The support plate C400 is equipped with installation tray C402, and pickup axis C311 passes through setting on installation tray C402
Through-hole, the pickup axis C311, which has, is equipped with pickup cam C300 on two and the pickup axis C311, wherein one
Pickup belt wheel C911 is installed on the one end pickup axis C311, secondary pickup belt wheel C912, institute are installed on another pickup axis C311
It connects to form belt drive structure by pickup belt C913 between the pickup belt wheel C911 and secondary pickup belt wheel C912 stated；
A pickup axis C311 therein is connected and fixed far from pickup one end belt C913 and pickup motor C801 output shaft；
The pickup motor C801 is able to drive the rotation of pickup axis；
The bottom support plate C400 is fixed with guiding axis C401, leading on the guiding axis C401 and cabinet C500
It assembles to through-hole C502 to move up and down offer guiding role to support plate C400；
The bottom lifting screw C101 is fitted into cabinet C500 and drives cylinder C102 screw-internal thread fit with second；
The second driving cylinder C102, which has, is fixed with driving pulley on two and wherein one second driving cylinder C102
Driven pulley C942 is fixed on C941 and driven gear C951, another second driving cylinder C102；
It is connected between the driving pulley C941 and driven pulley C942 by lifting synchronous belt C943 and forms band and passed
Dynamic structure；
The driven gear C951 and driving gear C952 is intermeshed to form gear transmission structure, the driving tooth
Wheel C952 is mounted on the output shaft of lifting motor C803.In use, lifting motor C803 passes through driving gear C952 driving two
Root second drives cylinder C102 rotation, since the second driving cylinder is fixed in the chassis, therefore when the second driving cylinder rotation, can drive and rise
It is mobile that screw rod C101 up/down in the second driving cylinder drops；
The sampling frid B200 is equipped with pickup through slot B202, and the pickup section cam C300 is ellipse, and
The pickup cam includes the maximum longitudinal end C302 of diameter and diameter the smallest short axle end C301, the short axle end C301
Highest point is no more than the bottom sampling groove B201；The highest point longitudinal end C302 is slightly above the bottom sampling groove B201 (more than taking
Sample slot B201 bottom 0.5-1.2 millimeter).When original state, short axle end C301 is at the highest notch, when sampling the both ends frid B200 with
After card holding trough A701 is fixed, pickup motor C801 starts to drive pickup cam C300 rotation, the longitudinal end of pickup cam C300
C302 will rub with 400 bottom of sample, and after sample 400 is released, the pickup cam will by this friction
Sample takes out in stretching assembly and (is equivalent to conveying rolling)；
The bottom cabinet C500 is equipped with movable block C501, and the movable block C501 passes through screw thread and mobile screw
C700 screws assembly, and the both ends mobile screw C700 are separately fixed at the first fixed plate C601 and the second fixed plate C602
On, and the mobile screw C700 can be rotated relative to the first fixed plate C601 and the second fixed plate C602；
The mobile screw C700 has two, wherein mobile belt wheel C921 is fixed on an one end, another one end
On be fixed with secondary mobile belt wheel C922 and secondary driving pulley C932；Lead between the mobile belt wheel C921 and secondary mobile belt wheel C922
Mobile belt C923 is crossed to connect and form belt drive structure；
The secondary driving pulley C932 is connect by main drive belt C933 with main driving pulley C931 and forms band and passed
Dynamic structure；
The main driving pulley C931 is fixed on the output shaft of main drive motor C802.In use, main drive motor
Mobile screw rotation is driven by main drive belt, when mobile screw rotates, cabinet can occur in mobile screw axial direction
It is mobile.This can be realized as sample being fetched into designated position, to facilitate operation person's taking-up.
Experimental method based on above-mentioned experimental provision:
S1,400 both ends of sample, which are respectively charged into, to clamp makes in the A5021 of hole on the inside of the arc plate part A901 of clamping arc plate A900
With the outer side contacts of sample 400；
S2, rotation switching ring A400, cuts the driving end A4032 of handoff block A403 by holding out against with recess side plate bending A4022
It is changed to and is held out against with protrusion side plate bending A4021, at this point, the clamping end A4031 of handoff block A403 is caught in switching slot 301；
S3 starts hydraulic cylinder, makes load bar 300, generates thrust to slide cartridge A300.At this point, slide cartridge A300 will drive limit
Position ring A500 is mobile to 400 direction of sample, while mounting ring A502 will drive clamping arc plate A900 to the movement of 400 direction of sample；
This is subjected to displacement clamping inclined-plane A9021 with driving inclined-plane A801, and driving inclined-plane A801 can be by clamping arc plate A900 to examination
400 direction of sample pushes, and makes clamping arc plate A900 clamping sample 400；
S4, rotation switching ring A400, makes that end A4032 is driven to restore to hold out against with recess side plate bending A4022, at this point, card again
Tight end A4021 exits switching slot 301；
S5 is driven in the reverse direction hydraulic cylinder, generates load bar 300 far from the pulling force on 400 direction of sample, until by sample
It breaks, tensile stress-strain curve can be obtained by oil inlet quantity, pulling force of hydraulic cylinder etc. at this time.
S6, driving main drive motor reach cabinet below sample and sample and sampling groove B201 face；
S7 drives sampling frid B200 when lifting motor to reach the position with card holding trough A701 face, and then load bar drives
Dynamic stretching assembly makes card holding trough A701 and the assembly of the sampling both ends frid B200；
S8 takes out breaked sample, first pulls the stretching assembly A of two sides to far from sample direction, until two
Card holding trough A701 can be with sampling frid B200 assembly, and then installation sampling frid B200, finally makes load bar 300 towards sample
400 directions apply pressure.During this, since L2 is less than L1, therefore load bar inner face 302 can be contacted in resigning end A3041
It is contacted after to the bottom surface recessing groove A3031 with 400 end of sample, and during this, component strut A200 can first push slide cartridge
A300 is mobile to 400 direction of sample, this just makes driving inclined-plane A801 and clamping inclined-plane A9021 mobile toward direction is unclamped, i.e. arc plate
Part A901 and 400 end of sample are unclamped；
And subsequent load bar inner face 302 can contact with 400 end face of sample and by sample 400 toward disengaging slide cartridge A300
Direction top pine is into sampling frid B200, and in this process, arc plate part A901 can further be unclamped with sample 400.Finally
Sample 400 is fetched into sampling groove B201 with hand or other tools, then holds sampling frid, by stretching assembly toward separate
Sample direction, which is removed, makes to sample frid disengaging card holding trough A701.
S9 drives pickup motor, rotates pickup cam C300, sample is taken out stretching assembly；
S10, load bar pull open stretching assembly toward far from sample direction, until card holding trough A701 is detached from sampling frid
B200；
S11 stops pickup motor, drives lifting motor, makes to sample the position that frid B200 is decreased below guide rod 200
It sets, stops lifting motor；
S12 starts main drive motor, rotates mobile screw, and cabinet and sampling frid are moved to designated position.
Further, the pickup cam is made of soft, wear-resistant material, such as rubber, silica gel.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (9)
1. a kind of lift component applied to test Tensile Strength of Rock, it is characterized in that: including the branch for being used to support sampling frid
Support semi-ring；It is connected and fixed at the top of the support semi-ring bottom and lifting screw, the lifting screw bottom passes through support plate
It is assembled with the second driving cylinder by threaded engagement；
The support plate is equipped with installation tray, and pickup axis passes through the through-hole being arranged on installation tray, the pickup axis
Have and pickup cam is installed on two and the pickup axis, wherein pickup belt wheel is installed on a pickup axis one end, it is another
Secondary pickup belt wheel is installed on root pickup axis, connects to be formed by pickup belt between the pickup belt wheel and secondary pickup belt wheel
Belt drive structure；
A pickup axis therein is connected and fixed far from pickup belt one end and pickup motor output shaft；The pickup motor energy
Enough drive the rotation of pickup axis；
The support plate bottom is fixed with guiding axis, and the guide through hole on the guiding axis and cabinet is assembled to support plate
Offer guiding role is provided；
The lifting screw bottom is fitted into cabinet and drives cylinder screw-internal thread fit with second；
The second driving cylinder, which has, is fixed with driving pulley and driven gear on two and wherein one second driving cylinders, another
Root second drives and is fixed with driven pulley on cylinder；
By going up and down synchronous band connection and forming belt drive structure between the driving pulley and driven pulley；
The driven gear and driving gear is intermeshed to form gear transmission structure, and the driving gear is mounted on lifting
On the output shaft of motor；
The sampling frid is equipped with pickup through slot, and the pickup cam section is oval, and the pickup cam packet
The maximum longitudinal end of diameter and the smallest short axle end of diameter are included, the short axle end highest point is no more than sampling trench bottom；
The chassis bottom is equipped with movable block, and the movable block screws assembly, the shifting by screw thread and mobile screw
Dynamic screw rod both ends are separately fixed in the first fixed plate and the second fixed plate, and the mobile screw can be fixed relative to first
Plate and the rotation of the second fixed plate；
The mobile screw has two, wherein being fixed with mobile belt wheel on an one end, is fixed with secondary shifting on another one end
Movable belt pulley and secondary driving pulley；It is connected between the mobile belt wheel and the mobile belt wheel of pair by mobile belt and forms V belt translation knot
Structure；
The secondary driving pulley is connect by main drive belt with main driving pulley and forms belt drive structure；
The main driving pulley is fixed on the output shaft of main drive motor.
2. a kind of as described in claim 1 lift component applied to test Tensile Strength of Rock, it is characterized in that: the length
Shaft end highest point is more than trench bottom 0.5-1.2 millimeters of sampling.
3. a kind of experimental provision for testing Tensile Strength of Rock, it is characterized in that: 1-2 is any described lifts using having the right to require
Component.
4. a kind of experimental provision for testing Tensile Strength of Rock as claimed in claim 3, it is characterized in that: further include guide plate,
Guide rod, stretching assembly, the guide plate are equipped with through-hole, and guide rod passes through through-hole and slidably assembles with guide plate；
The guide plate has two pieces, and is respectively and fixedly provided with stretching assembly on the outside of every piece of guide plate；It is characterized in that:
The stretching assembly, including, the component ring being fixed on load bar, the component ring and component strut one end are cut with scissors
It connecing, the component strut other end and the slide cartridge articulated section on slide cartridge are hinged, and the component strut at least two, and two
End is evenly distributed on component ring and slide cartridge end；
The slide cartridge further includes top baffle ring, slipper, bottom baffle ring, and the slipper passes through guide plate, described
Top baffle ring and bottom baffle ring is located on the outside of guide plate and inside；
Recessing groove is equipped in the slipper, the top baffle ring leads to on recessing groove corresponding position equipped with connection
Slot, the connection through slot section are less than resigning slot cross-section；
The hinged resigning end of the slide cartridge articulated section is fitted into recessing groove, and slide cartridge articulated section is pierced by with component strut hinged end
Connect through slot；
The top baffle ring end face is equipped with switching ring, and the switching ring center line and component ring, load bar are the same as always
On line；
The switching ring inner wall is made of protrusion side plate bending and recess side plate bending, and switching is equipped in the switching ring inner hole
Block, the handoff block is by switching connecting pin and switches the switching mounting hole assembly in mounting base, and the switching connection
Pin is fitted into switching mounting hole and is additionally provided with torsional spring on part, and the torsional spring is for maintaining the driving end of handoff block to hold out against always
Switch on the inside of ring；
Latch driving portion is additionally provided on the outside of the switching ring；
The load bar with switching slot is equipped on handoff block corresponding position, the clamping end of the handoff block is packed into switching slot
In；
It is equipped with handling through-hole in the slide cartridge, fixes restraining position ring block in the handling through-hole, is provided on the stop collar
The one ejection through-hole that load bar can be allowed to pass through；The maximum gauge of the switching ring is without departing from limit ring diameter；
The stop collar is equipped with mounting ring backwards to switching ring one end, is equipped in the mounting ring and clamps hole and the dress
At least two sliding channels are equipped with ring-side wall；
Described clamping is equipped with quantity clamping arc plate identical with sliding channel in hole, the clamping arc plate includes for card
Tightly the arc plate part of sample and the Slipper across sliding channel, the Slipper can slide in sliding channel, and
The Slipper end is clamping inclined-plane；
The clamping inclined-plane and driving inclined-plane cooperate, and the driving inclined-plane is arranged on the inside of the first driving cylinder and described the
It is fixed on the outside of one driving cylinder with handling through-hole wall；
The driving inclined-plane is the inclined-plane from sample toward load bar direction gradually up；
There is a slot between the first driving cylinder inner face and the stop collar inner face of stop collar of the first driving cylinder；
Groove width is L3 between slot between described；
The distance between described resigning end end and resigning trench bottom are L2；
The distance between the load bar inner face of the load bar and the first driving cylinder inner face are L1；
The relationship of L1, L2, L3 are as follows:
(L3/8)<L1<(L3/5)；1.5*L2>L1>L2.
5. a kind of experimental provision for testing Tensile Strength of Rock as claimed in claim 4, it is characterized in that: the latch drives
Portion is the tooth form that can be engaged with outer gear or rack gear.
6. a kind of experimental provision for testing Tensile Strength of Rock as claimed in claim 4, it is characterized in that: sampling frid is fixed on
Between two stretching assemblies, the sampling frid is equipped with the arc-shaped sampling groove that a cross section is not more than 1/2 circle；
The axis and assembly ring axis of internal diameter, the outer diameter of the sampling frid sampling frid identical as mounting ring and described
It is overlapped.
7. a kind of experimental provision for testing Tensile Strength of Rock as claimed in claim 4, it is characterized in that: on clamping hole inner wall
A guiding inner ring is fixed, the guiding inner ring thicknesses are at least 1.2 times of arc plate segment thickness and are oriented to inner ring internal diameter not
Less than specimen finish；
Fixed on the described first driving cylinder outer end face and be oriented to semi-ring outside one, the outer guiding semi-ring cross section be no more than
The semicircular ring of 1/2 annulus；
Card holding trough, the card holding trough and sampling frid two are formed between the outer guiding semi-ring inner wall and guiding endocyclic outer wall
End assembly.
8. a kind of experimental provision for testing Tensile Strength of Rock as claimed in claim 4, it is characterized in that: the sampling frid
After card holding trough assembly, sampling groove is opening up.
9. a kind of experimental method based on experimental provision according to any one of claims 8, it is characterized in that: including the following steps:
Sample both ends are respectively charged into and clamp side contacts outside the arc plate sections inner side for making clamping arc plate in hole and sample by S1；
S2, rotation switching ring hold out against the driving end of handoff block with protrusion side plate bending by holding out against to be switched to recess side plate bending, this
When, the clamping end of handoff block is caught in switching slot；
S3 starts hydraulic cylinder, and load bar is made to generate thrust to slide cartridge, and slide cartridge is made to drive driving inclined-plane and the clamping of clamping inclined-plane；
S4, rotation switching ring, makes that end is driven to restore to hold out against with recess side plate bending, at this point, switching slot is exited at clamping end again；
S5 is driven in the reverse direction hydraulic cylinder, generates load bar far from the pulling force on sample direction, breaks until by sample, this
Tensile stress-strain curve is obtained by the oil inlet quantity of hydraulic cylinder, load draw-bar pull in the process；
S6, driving main drive motor reach cabinet below sample and sample and sampling groove face；
S7 drives sampling frid when lifting motor to reach the position with card holding trough face, and then load bar drives stretching assembly, makes
Card holding trough and sampling groove board ends are assembled；
S8 takes out breaked sample, first pulls the stretching assembly of two sides to far from sample direction, until two card holding troughs
Can be with sampling frid assembly, then installation sampling frid, finally makes load bar apply pressure towards sample direction, until ejection
Sample is into sampling groove；
S9 drives pickup motor, rotates pickup cam, sample is taken out stretching assembly；
S10, load bar pull open stretching assembly toward far from sample direction, until card holding trough is detached from sampling frid B200；
S11 stops pickup motor, drives lifting motor, makes to sample the position that frid is decreased below guide rod, stops lifting electricity
Machine；
S12 starts main drive motor, rotates mobile screw, and cabinet and sampling frid are moved to designated position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187095.8A CN106525592B (en) | 2016-12-20 | 2016-12-20 | One kind lifting component and its experimental provision and experimental method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187095.8A CN106525592B (en) | 2016-12-20 | 2016-12-20 | One kind lifting component and its experimental provision and experimental method |
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| CN106525592A CN106525592A (en) | 2017-03-22 |
| CN106525592B true CN106525592B (en) | 2019-02-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110132730A (en) * | 2019-06-14 | 2019-08-16 | 深圳市华太检测有限公司 | The detection clamping device of the metal material stretching test contraction percentage of area |
| CN110702450B (en) * | 2019-10-14 | 2022-02-18 | 深圳市致远勘测有限公司 | Rock sample fixing device convenient to rock multi-angle sample |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090077379A (en) * | 2008-01-11 | 2009-07-15 | 한국지질자원연구원 | Holder for measuring velocity of elastic wave and apparatus for measuring velocity of elastic wave |
| CN103048190A (en) * | 2012-12-14 | 2013-04-17 | 天津钢铁集团有限公司 | Tensile test fixture for tensile testing machine |
| CN203719980U (en) * | 2013-12-19 | 2014-07-16 | 长安大学 | Marshall test specimen stripping fork |
| CN103245581B (en) * | 2013-04-17 | 2015-03-25 | 合肥工业大学 | Duplex piston ring-cylinder sleeve frictional wear test station |
| CN104624779A (en) * | 2015-01-16 | 2015-05-20 | 佛山市固高自动化技术有限公司 | Pipe punching machine |
-
2016
- 2016-12-20 CN CN201611187095.8A patent/CN106525592B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090077379A (en) * | 2008-01-11 | 2009-07-15 | 한국지질자원연구원 | Holder for measuring velocity of elastic wave and apparatus for measuring velocity of elastic wave |
| CN103048190A (en) * | 2012-12-14 | 2013-04-17 | 天津钢铁集团有限公司 | Tensile test fixture for tensile testing machine |
| CN103245581B (en) * | 2013-04-17 | 2015-03-25 | 合肥工业大学 | Duplex piston ring-cylinder sleeve frictional wear test station |
| CN203719980U (en) * | 2013-12-19 | 2014-07-16 | 长安大学 | Marshall test specimen stripping fork |
| CN104624779A (en) * | 2015-01-16 | 2015-05-20 | 佛山市固高自动化技术有限公司 | Pipe punching machine |
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