CN105842125A - Fracture simulation adjusting mechanism of grouting expansion testing device - Google Patents
Fracture simulation adjusting mechanism of grouting expansion testing device Download PDFInfo
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- CN105842125A CN105842125A CN201610334325.2A CN201610334325A CN105842125A CN 105842125 A CN105842125 A CN 105842125A CN 201610334325 A CN201610334325 A CN 201610334325A CN 105842125 A CN105842125 A CN 105842125A
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- regulation bolt
- sealing ring
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- top board
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
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Abstract
The invention discloses a fracture simulation adjusting mechanism of a grouting expansion testing device, and belongs to the technical field of grouting expansion testing equipment. The fracture simulation adjusting mechanism comprises adjusting parts and measuring parts, wherein the adjusting parts comprise a fastening screw nut, an adjusting bolt, an upper pressing plate, a visible plate, a lower pressing plate, a bottom plate, a gland and a servo motor; the fastening screw nut is fixed on the upper pressing plate; one end of the adjusting bolt is connected with the fastening screw nut; the other end of the adjusting bolt is connected with the servo motor; the gland is fixedly connected with the bottom plate; the measuring components comprise a displacement measuring rod and a displacement sensor; the displacement measuring rod is arranged inside the adjusting bolt; a first sealing ring is arranged on the displacement measuring rod; a second sealing ring is arranged on the adjusting bolt; a spring is mounted on the displacement measuring rod; the displacement sensor is connected with the servo motor. By adoption of the fracture simulation adjusting mechanism, multiple functions of balancing inner pressure, adjusting fracture width and measuring width are achieved, accurate basis can be provided for grouting construction and establishment of slurry expansion models, and the grouting effect can be ensured.
Description
Technical field
The present invention relates to slip casting diffusion test equipment technical field, particularly relate to splitting of a kind of slip casting diffusion test set
Gap analog regulation mechanism.
Background technology
Grouting engineering implement for the Rock And Soil of mainly complex geologic conditions, generally people are difficult to serosity
Slip casting effect under the conditions of relevant stratum is made and is estimated and control.It is desirable to by setting up the slurry under the conditions of corresponding slip casting
Liquid diffusion model, is predicted slip casting process and instructs.
In Grouting engineering, the serosity for batholith slip casting spreads and the setting up by the shadow of multiple geological conditions of diffusion model
Ring, such as fracture opening, permeability, crack roughness, the inclination angle in crack, fractured zones, fillibility and connective and subsoil water
Deng；The rheological characteristic of the serosity during slip casting, serosity form the construction factors such as the size of granule, grouting pressure and flow together simultaneously
Sample affects diffusion and the slip casting effect of serosity.For research serosity different angle, opening width rock mass in diffusion theory, generally
Use slip casting simulation experiment to simulate the slip casting situation under different condition, provide depend on for setting up corresponding diffusion model and diffusion theory
According to.
There are problems, such as in current domestic and international existing analogue experiment installation: mostly is the grouting test that loose media is filled
Device, structural plane slip casting analogue experiment installation is less；Cannot directly observe spreading morphology and the rule of serosity；It is difficult to single
The simulation of crack condition serosity diffusion；In simulating the test of single crack grouting, the regulation to Fracture Width and control are difficult to it
Make, and the change to Fracture Width lacks monitoring；When using slip casing by pressure, experimental provision produces shape the most under pressure
Become, be difficult to the pressure in experimental provision is balanced, can not deformation to experimental provision in time carry out recovering to regulate.
Publication No. CN 1908371, publication date is that the Chinese patent literature of on 02 07th, 2007 discloses a kind of slip casting
Diffusion test set, it is characterised in that include test fluid generating means, serosity diffusion test set and retracting device, test
Fluid generating means will produce grouting serous fluid, provide experiment by the grouting pressure of design, grouting amount to serosity diffusion test set
Material；Grouting serous fluid can be simulated on serosity diffusion test set in the slip casting model in various crack and is diffused, and serosity spreads
Test device is provided with sees the window looked into serosity diffusion shape with measure diffusion term, is provided with the different diffusion length serosity energy consumption of reading
Fluid pressure test device；Retracting device has been used for the recovery of test job serosity.
Slip casting diffusion test set disclosed in this patent documentation, although crack and crack geological conditions can be simulated, but
It is, in simulating the test of single crack grouting, to be difficult to the regulation to Fracture Width and control, and the change to Fracture Width
Lack monitoring；Foundation accurately can not be provided for the foundation of mortar depositing construction and serosity diffusion model.
Publication No. CN 103954432A, publication date is that the Chinese patent literature of on 07 30th, 2014 discloses one
The simulation crack grouting model test platform of variable pitch, is characterized in that: include that simulating crack, water tank of voltage regulation and liftable props up
Seat；Wherein, simulation crack includes two pieces of glass plates, and downside glass plate is provided with injected hole, is filled with many between two pieces of glass plates
Hole medium；Water tank of voltage regulation is hinged with the upside glass plate in simulation crack, and liftable bearing is fixed on the downside glass in simulation crack
The lower end of plate, liftable bearing includes that connection dish, elevating lever and base, connection dish are fixed on the downside glass plate in simulation crack
On, elevating lever is fixed on connection dish lower end, and the elevating lever other end is fixed on base.
This patent documentation disclosed simulation crack grouting model test platform, when to regulate simulation Fracture Width, it is necessary to
Simulation crack is re-assemblied, complex operation, very flexible；And when using slip casing by pressure, simulate crack grouting mould
Type test platform produces deformation the most under pressure, is difficult to carry out the pressure in simulation crack grouting model test platform
Balance, the glass plate intensity that simulation crack uses is poor, affects the stability in use of whole test platform；Additionally, can not be clear
The size measuring Fracture Width, it is impossible to the Fracture Width situation of change at each position of test platform during reflection slip casting, no
Foundation accurately can be provided for the foundation of mortar depositing construction and serosity diffusion model, affect slip casting effect.
Summary of the invention
The present invention is in order to overcome the defect of above-mentioned prior art, it is provided that the crack simulation of a kind of slip casting diffusion test set is adjusted
Joint mechanism, the present invention is by regulation parts and measures the cooperating of parts, it is achieved that balance intrinsic pressure, Fracture Width regulation and
The multi-functional of width measure, it is possible to the foundation for mortar depositing construction and serosity diffusion model provides foundation accurately, it is ensured that slip casting
Effect.
The present invention is achieved through the following technical solutions:
A kind of crack analog regulation mechanism of slip casting diffusion test set, it is characterised in that: include regulating parts and measuring parts,
Described regulation parts include clamp nut, regulation bolt, top board, visual plate, lower platen, base plate, gland and driving regulation spiral shell
The servomotor of bolt, described clamp nut is fixed on top board, and described regulation bolt extends through top board and base plate, regulation
Bolt one end is connected with clamp nut, and the other end is connected with servomotor, and described gland is fixing with base plate to be connected；Described measurement portion
Part includes that displacement measurement bar and displacement transducer, described regulation bolt are hollow structure, and institute's displacement measurement bar is placed in regulation spiral shell
In bolt, displacement measurement bar is provided with the first sealing ring, regulation bolt is provided with the second sealing ring, on institute's displacement measurement bar
Equipped with spring, institute's displacement sensors is connected with servomotor.
The bottom of described regulation bolt is provided with bearing block, equipped with bearing on bearing block.
Being additionally provided with the 3rd sealing ring on described regulation bolt, the 3rd sealing ring is at gland and regulates between bolt and position
Below bearing.
Described second sealing ring is two, and second sealing ring is between lower platen and regulation bolt, and another is the years old
Two sealing rings are between base plate and regulation bolt.
Described first sealing ring is between displacement measurement bar and regulation bolt and is positioned at above spring.
Described top board is steel plate, and steel plate has hole, and visual plate is transparency glass plate.
The size of described top board is identical with the size of visual plate, and visual plate is positioned at below top board, visual plate and upper pressure
Plate is bonding.
Described lower platen is positioned at the top of base plate, and lower platen is bonding with base plate, and base plate has draw-in groove, and top board is placed in the end
In the draw-in groove of plate.
Described gland is hollow structure, and gland is provided with screw rod, and base plate is connected by screw rod is fixing with gland.
The hollow structure of described regulation bolt includes the first hollow section and the second hollow section, during the first hollow section is more than second
Dead band, the first hollow section and the second hollow section form step, and spring is fixing with step to be connected.
During use, first screw regulation bolt, make visual plate and lower platen be in close contact, then regulate displacement transducer,
Displacement transducer is corrected and returns to zero work；Then setting simulation Fracture Width, start servomotor, servomotor drives
Regulation bolt rotates；After completing regulation, in slip casting diffusion test set, inject high pressure serosity, in the pressure effect of high pressure serosity
Under, top board and visual plate can move upward or deform, and now displacement measurement pole pair displacement is measured in real time.
In process of the test, serosity the pressure produced acts on top board and base plate, will by clamp nut and gland
Pressure transmission, on regulation bolt, utilizes upper and lower counter-force to realize the pressure balance of whole test device, simultaneously by regulation bolt,
Clamp nut realizes the regulation to Fracture Width, and utilizes displacement measurement bar measure analog Fracture Width；Present invention achieves flat
Weigh intrinsic pressure, Fracture Width regulation and the multi-functional of width measure, and simple in construction, easy to use.
After completing one group of experiment, by regulation bolt, Fracture Width is adjusted, multiple width can be set continuously, enter
Row series of experiments, and then serosity Diffusion Law under one group of crack can be obtained.
Beneficial effects of the present invention is mainly manifested in following aspect:
One, the present invention, regulation parts include clamp nut, regulation bolt, top board, visual plate, lower platen, base plate, gland and
Driving the servomotor of regulation bolt, clamp nut is fixed on top board, and regulation bolt extends through top board and base plate, adjusts
Joint bolt one end is connected with clamp nut, and the other end is connected with servomotor, and gland is fixing with base plate to be connected；Measurement parts include
Displacement measurement bar and displacement transducer, regulation bolt is hollow structure, and displacement measurement bar is placed in regulation bolt, displacement measurement bar
On be provided with the first sealing ring, regulation bolt is provided with the second sealing ring, equipped with spring on displacement measurement bar, displacement transducer
It is connected with servomotor, realizes top, simulation crack, the connection of bottom surface by regulation parts, form organic entity, pass through simultaneously
Regulation bolt realizes the regulation of Fracture Width, it is ensured that the smooth outflow of serosity in experimentation, by using regulation bolt to connect
Top board and base plate, the pressure that serosity produces acts on top board and base plate, and clamp nut and gland transfer the pressure to adjust
On joint bolt, utilize upper and lower counter-force to realize the pressure self-balancing of whole test device, be not required to additionally increase equipment；Regulation parts energy
Enough simulations realizing different Fracture Width, can complete series of experiments；Use displacement measurement bar and displacement transducer, it is possible to
Monitoring, measures the size of Fracture Width clearly in real time, and during reflection slip casting in real time, the whole each position of test device splits
Gap length degree situation of change, present invention achieves and balance intrinsic pressure, Fracture Width regulation and the multi-functional of width measure, it is possible to for
The foundation of mortar depositing construction and serosity diffusion model provides foundation accurately, it is ensured that slip casting effect.
Two, the present invention, the bottom of regulation bolt is provided with bearing block, equipped with bearing on bearing block, when servomotor drives
When regulation bolt rotates, due to the effect of bearing, it is possible to reduce regulation bolt rotational resistance, it is simple to regulation bolt is to different cracks
Width realizes regulating flexibly.
Three, the present invention, regulation bolt on be additionally provided with the 3rd sealing ring, the 3rd sealing ring be positioned at gland with regulation bolt it
Between and be positioned at below bearing, by arranging the 3rd sealing ring, it is achieved that regulation bolt and gland between excellent sealing, be beneficial to carry
The sealing property of high whole governor motion.
Four, the present invention, the second sealing ring is two, and second sealing ring is between lower platen and regulation bolt, separately
One the second sealing ring, between base plate and regulation bolt, by arranging two the second sealing rings, achieves lower platen respectively
And the sealing between sealing and base plate and the regulation bolt between regulation bolt, enhances the sealing of whole governor motion.
Five, the present invention, the first sealing ring is between displacement measurement bar and regulation bolt and is positioned at above spring, spring
Ensure that motility during displacement measurement bar displacement measurement, by the setting of the first sealing ring, make displacement measurement bar and regulation spiral shell
Forming good sealing between bolt, the first sealing ring, displacement measurement bar and cooperating of bolt of regulation make measurement parts become
One seals Automatic-reset structure, it is simple to improve the accuracy of displacement measurement.
Six, the present invention, top board is steel plate, and steel plate has hole, and visual plate is transparency glass plate, both ensure that structure was strong
Degree, achieves again the visualization of simulation experiment, and overall weight is lighter simultaneously.
Seven, the present invention, the size of top board is identical with the size of visual plate, and visual plate is positioned at below top board, visual plate
Bonding with top board, it is possible to make visual plate be firmly fixed with top board, thus ensure the stable connection of visual plate and top board
Property and the concordance of position, and be prevented between visual plate and top board producing gap, be beneficial to improve in experimentation is steady
Qualitative.
Eight, the present invention, lower platen is positioned at the top of base plate, and lower platen is bonding with base plate, and base plate has draw-in groove, top board
Being placed in the draw-in groove of base plate, draw-in groove has certain spacing guide effect, it is possible to ensure that, in experimentation, serosity is to top board
Active force all the time along vertical direction, prevent top board in the vertical direction occur about offset, be beneficial to improve displacement measurement
Accuracy.
Nine, the present invention, gland is hollow structure, and gland is provided with screw rod, and base plate is connected by screw rod is fixing with gland,
Can either make together with base plate is securely attached to gland, again can by precession or screw out screw rod with regulation top board and under press
Distance between plate, and then improve the convenience of simulation Fracture Width regulation.
Ten, the present invention, the hollow structure of regulation bolt includes the first hollow section and the second hollow section, and the first hollow section is more than
Second hollow section, the first hollow section and the second hollow section form step, and spring is fixing with step to be connected, and uses this hollow to tie
Structure, it is possible to make spring keep a good springing stroke, and then ensure the motility that displacement measurement bar is measured for a long time.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the embodiment of the present invention 7；
Fig. 3 is the structural representation of the embodiment of the present invention 8；
Fig. 4 is the structural representation of the embodiment of the present invention 9；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Labelling in figure: 1, clamp nut, 2, regulation bolt, 3, top board, 4, visual plate, 5, lower platen, 6, base plate, 7, gland,
8, servomotor, 9, displacement measurement bar, 10, displacement transducer, the 11, first sealing ring, the 12, second sealing ring, 13, spring, 14,
Bearing, the 15, the 3rd sealing ring, 16, draw-in groove, 17, screw rod, the 18, first hollow section, the 19, second hollow section, 20, step.
Detailed description of the invention
Embodiment 1
Seeing Fig. 1, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The present embodiment is most basic embodiment, and regulation parts include clamp nut, regulation bolt, top board, visual
Plate, lower platen, base plate, gland and the servomotor of driving regulation bolt, clamp nut is fixed on top board, and regulation bolt divides
Not running through top board and base plate, regulation bolt one end is connected with clamp nut, and the other end is connected with servomotor, gland and base plate
Fixing connection；Measuring parts and include that displacement measurement bar and displacement transducer, regulation bolt are hollow structure, displacement measurement bar is placed in
In regulation bolt, displacement measurement bar is provided with the first sealing ring, regulation bolt is provided with the second sealing ring, displacement measurement bar
On be connected with servomotor equipped with spring, displacement transducer, by regulation parts realize simulation crack push up, the connection of bottom surface, shape
Become organic unity body, realized the regulation of Fracture Width by regulation bolt, it is ensured that the smooth outflow of serosity in experimentation simultaneously,
By using regulation bolt to connect top board and base plate, the pressure that serosity produces acts on top board and base plate, clamp nut
Transfer the pressure to regulate on bolt with gland, utilize upper and lower counter-force to realize the pressure self-balancing of whole test device, be not required to volume
Outer increase equipment；Regulation parts are capable of the simulation of different Fracture Width, can complete series of experiments；Employing displacement is surveyed
Gauge rod and displacement transducer, it is possible to monitor in real time, measure the size of Fracture Width clearly, whole during reflection slip casting in real time
The Fracture Width situation of change at the individual each position of test device, present invention achieves and balance intrinsic pressure, Fracture Width regulation and width
The multi-functional measured, it is possible to the foundation for mortar depositing construction and serosity diffusion model provides foundation accurately, it is ensured that slip casting effect.
Embodiment 2
Seeing Fig. 2, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
The present embodiment is a better embodiment, and the bottom of regulation bolt is provided with bearing block, equipped with bearing on bearing block,
When servomotor drives regulation bolt to rotate, due to the effect of bearing, it is possible to reduce regulation bolt rotational resistance, it is simple to regulation
Different Fracture Widths are realized regulating flexibly by bolt.
Embodiment 3
Seeing Fig. 2, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
The present embodiment is another better embodiment, and regulation bolt is additionally provided with the 3rd sealing ring, the 3rd sealing ring position
Between gland and regulation bolt and be positioned at below bearing, by arranging the 3rd sealing ring, it is achieved that regulation bolt and gland it
Between excellent sealing, be beneficial to improve the sealing property of whole governor motion.
Embodiment 4
Seeing Fig. 2, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
Described second sealing ring 12 is two, and second sealing ring 12 is between lower platen 5 and regulation bolt 2, separately
One the second sealing ring 12 is between base plate 6 and regulation bolt 2.
The present embodiment is another better embodiment, and the second sealing ring is two, and second sealing ring is positioned at lower platen
And between regulation bolt, another second sealing ring is between base plate and regulation bolt, by arranging two the second sealing rings,
Achieve the sealing between sealing and base plate and the regulation bolt between lower platen and regulation bolt respectively, enhance whole tune
The sealing of joint mechanism.
Embodiment 5
Seeing Fig. 2, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
Described second sealing ring 12 is two, and second sealing ring 12 is between lower platen 5 and regulation bolt 2, separately
One the second sealing ring 12 is between base plate 6 and regulation bolt 2.
Described first sealing ring 11 is between displacement measurement bar 9 and regulation bolt 2 and is positioned at above spring 13.
The present embodiment is another better embodiment, and the first sealing ring is at displacement measurement bar and regulates between bolt and position
In the top of spring, spring ensure that motility during displacement measurement bar displacement measurement, by the setting of the first sealing ring, makes position
Good sealing, the first sealing ring, displacement measurement bar and the phase interworking of regulation bolt is formed between shift measurement bar and regulation bolt
Conjunction makes measurement parts become one and seals Automatic-reset structure, it is simple to improve the accuracy of displacement measurement.
Embodiment 6
Seeing Fig. 2, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
Described second sealing ring 12 is two, and second sealing ring 12 is between lower platen 5 and regulation bolt 2, separately
One the second sealing ring 12 is between base plate 6 and regulation bolt 2.
Described first sealing ring 11 is between displacement measurement bar 9 and regulation bolt 2 and is positioned at above spring 13.
Described top board 3 is steel plate, and steel plate has hole, and visual plate 4 is transparency glass plate.
The present embodiment is another better embodiment, and top board is steel plate, and steel plate has hole, and visual plate is clear glass
Plate, both ensure that structural strength, had achieved again the visualization of simulation experiment, overall weight is lighter simultaneously.
Embodiment 7
Seeing Fig. 2, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
Described second sealing ring 12 is two, and second sealing ring 12 is between lower platen 5 and regulation bolt 2, separately
One the second sealing ring 12 is between base plate 6 and regulation bolt 2.
Described first sealing ring 11 is between displacement measurement bar 9 and regulation bolt 2 and is positioned at above spring 13.
Described top board 3 is steel plate, and steel plate has hole, and visual plate 4 is transparency glass plate.
The size of described top board 3 is identical with the size of visual plate 4, and visual plate 4 is positioned at below top board 3, visual plate 4 with
Top board 3 is bonding.
The present embodiment is another better embodiment, and the size of top board is identical with the size of visual plate, and visual plate is positioned at
Below top board, visual plate is bonding with top board, it is possible to make visual plate be firmly fixed with top board, thus ensure visual plate with
The connective stability of top board and the concordance of position, and be prevented between visual plate and top board producing gap, it is beneficial to carry
Stability in high experimentation.
Embodiment 8
Seeing Fig. 3, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement parts, institute
State regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and drive tune
The servomotor 8 of joint bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through top board 3
With base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, and described gland 7 is solid with base plate 6
Fixed connection；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is hollow structure, described
Displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, regulation bolt 2 is provided with
Second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is connected with servomotor 8.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
Described second sealing ring 12 is two, and second sealing ring 12 is between lower platen 5 and regulation bolt 2, separately
One the second sealing ring 12 is between base plate 6 and regulation bolt 2.
Described first sealing ring 11 is between displacement measurement bar 9 and regulation bolt 2 and is positioned at above spring 13.
Described top board 3 is steel plate, and steel plate has hole, and visual plate 4 is transparency glass plate.
The size of described top board 3 is identical with the size of visual plate 4, and visual plate 4 is positioned at below top board 3, visual plate 4 with
Top board 3 is bonding.
Described lower platen 5 is positioned at the top of base plate 6, and lower platen 5 is bonding with base plate 6, and base plate 6 has draw-in groove 16, upper pressure
Plate 3 is placed in the draw-in groove 16 of base plate 6.
The present embodiment is another better embodiment, and lower platen is positioned at the top of base plate, and lower platen is bonding with base plate, base plate
On have draw-in groove, top board is placed in the draw-in groove of base plate, and draw-in groove has certain spacing guide effect, it is possible to ensure testing
Cheng Zhong, serosity to the active force of top board all the time along vertical direction, prevent top board in the vertical direction occur about offset,
It is beneficial to improve displacement measurement accuracy.
Embodiment 9
Seeing Fig. 4 and Fig. 5, the crack analog regulation mechanism of a kind of slip casting diffusion test set, including regulation parts and measurement portion
Part, described regulation parts include clamp nut 1, regulation bolt 2, top board 3, visual plate 4, lower platen 5, base plate 6, gland 7 and
Driving the servomotor 8 of regulation bolt 2, described clamp nut 1 is fixed on top board 3, and described regulation bolt 2 extends through
Pressing plate 3 and base plate 6, regulation bolt 2 one end is connected with clamp nut 1, and the other end is connected with servomotor 8, described gland 7 and the end
Plate 6 is fixing to be connected；Described measurement parts include displacement measurement bar 9 and displacement transducer 10, and described regulation bolt 2 is tied for hollow
Structure, institute's displacement measurement bar 9 is placed in regulation bolt 2, displacement measurement bar 9 is provided with the first sealing ring 11, on regulation bolt 2
Being provided with the second sealing ring 12, equipped with spring 13 on institute's displacement measurement bar 9, institute's displacement sensors 10 is with servomotor 8 even
Connect.
The bottom of described regulation bolt 2 is provided with bearing block, equipped with bearing 14 on bearing block.
Being additionally provided with the 3rd sealing ring 15 on described regulation bolt 2, the 3rd sealing ring 15 is positioned at gland 7 and regulation bolt 2
Between and be positioned at below bearing 14.
Described second sealing ring 12 is two, and second sealing ring 12 is between lower platen 5 and regulation bolt 2, separately
One the second sealing ring 12 is between base plate 6 and regulation bolt 2.
Described first sealing ring 11 is between displacement measurement bar 9 and regulation bolt 2 and is positioned at above spring 13.
Described top board 3 is steel plate, and steel plate has hole, and visual plate 4 is transparency glass plate.
The size of described top board 3 is identical with the size of visual plate 4, and visual plate 4 is positioned at below top board 3, visual plate 4 with
Top board 3 is bonding.
Described lower platen 5 is positioned at the top of base plate 6, and lower platen 5 is bonding with base plate 6, and base plate 6 has draw-in groove 16, upper pressure
Plate 3 is placed in the draw-in groove 16 of base plate 6.
Described gland 7 is hollow structure, and gland 7 is provided with screw rod 17, and base plate 6 and gland 7 are fixing even by screw rod 17
Connect.
The hollow structure of described regulation bolt 2 includes the first hollow section 18 and the second hollow section 19, and the first hollow section 18 is big
In the second hollow section 19, the first hollow section 18 and the second hollow section 19 form step 20, and spring 13 is fixing with step 20 to be connected.
The present embodiment is preferred forms, and gland is hollow structure, and gland is provided with screw rod, and base plate passes through with gland
Screw rod is fixing to be connected, and can either make together with base plate is securely attached to gland, again can be by precession or screw out screw rod to adjust
Distance between joint top board and lower platen, and then improve the convenience of simulation Fracture Width regulation.The hollow knot of regulation bolt
Structure includes the first hollow section and the second hollow section, and the first hollow section is more than the second hollow section, the first hollow section and the second hollow section
Forming step, spring is fixing with step to be connected, and uses this hollow structure, it is possible to make spring keep a good elastic row
Journey, and then ensure the motility that displacement measurement bar is measured for a long time.
Claims (10)
1. the crack analog regulation mechanism of a slip casting diffusion test set, it is characterised in that: include regulating parts and measurement portion
Part, described regulation parts include clamp nut (1), regulation bolt (2), top board (3), visual plate (4), lower platen (5), base plate
(6), gland (7) and drive regulation bolt (2) servomotor (8), described clamp nut (1) is fixed on top board (3), institute
Stating regulation bolt (2) and extend through top board (3) and base plate (6), regulation bolt (2) one end is connected with clamp nut (1), another
End is connected with servomotor (8), and described gland (7) is fixing with base plate (6) to be connected；Described measurement parts include displacement measurement bar
(9) and displacement transducer (10), described regulation bolt (2) is hollow structure, and institute's displacement measurement bar (9) is placed in regulation bolt
(2), in, displacement measurement bar (9) is provided with the first sealing ring (11), regulation bolt (2) is provided with the second sealing ring (12),
Equipped with spring (13) in institute's displacement measurement bar (9), institute's displacement sensors (10) is connected with servomotor (8).
The crack analog regulation mechanism of a kind of slip casting diffusion test set the most according to claim 1, it is characterised in that: institute
The bottom stating regulation bolt (2) is provided with bearing block, equipped with bearing (14) on bearing block.
The crack analog regulation mechanism of a kind of slip casting diffusion test set the most according to claim 2, it is characterised in that: institute
Stating and be additionally provided with the 3rd sealing ring (15) in regulation bolt (2), the 3rd sealing ring (15) is positioned at gland (7) and regulation bolt (2)
Between and be positioned at bearing (14) lower section.
4., according to the crack analog regulation mechanism of a kind of slip casting diffusion test set described in claim 1 or 3, its feature exists
In: described second sealing ring (12) is two, and second sealing ring (12) is positioned between lower platen (5) and regulation bolt (2),
Another second sealing ring (12) is positioned between base plate (6) and regulation bolt (2).
The crack analog regulation mechanism of a kind of slip casting diffusion test set the most according to claim 1, it is characterised in that: institute
State the top that the first sealing ring (11) is positioned between displacement measurement bar (9) and regulation bolt (2) and is positioned at spring (13).
The crack analog regulation mechanism of a kind of slip casting diffusion test set the most according to claim 1, it is characterised in that: institute
Stating top board (3) is steel plate, and steel plate has hole, and visual plate (4) is transparency glass plate.
7., according to the crack analog regulation mechanism of a kind of slip casting diffusion test set described in claim 1 or 6, its feature exists
In: the size of described top board (3) is identical with the size of visual plate (4), and visual plate (4) is positioned at top board (3) lower section, visual plate
(4) bonding with top board (3).
The crack analog regulation mechanism of a kind of slip casting diffusion test set the most according to claim 1, it is characterised in that: institute
Stating lower platen (5) and be positioned at the top of base plate (6), lower platen (5) is bonding with base plate (6), and base plate (6) has draw-in groove (16), on
Pressing plate (3) is placed in the draw-in groove (16) of base plate (6).
9., according to the crack analog regulation mechanism of a kind of slip casting diffusion test set described in claim 1 or 8, its feature exists
In: described gland (7) is hollow structure, and gland (7) is provided with screw rod (17), and base plate (6) and gland (7) are by screw rod (17)
Fixing connection.
The crack analog regulation mechanism of a kind of slip casting diffusion test set the most according to claim 1, it is characterised in that:
The hollow structure of described regulation bolt (2) includes the first hollow section (18) and the second hollow section (19), and the first hollow section (18) is big
In the second hollow section (19), the first hollow section (18) forms step (20), spring (13) and step with the second hollow section (19)
(20) fixing connection.
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| CN108169457A (en) * | 2017-12-26 | 2018-06-15 | 山东大学 | A kind of visualization becomes aperture crack grouting rig for model test and application method |
| CN108562515A (en) * | 2018-03-27 | 2018-09-21 | 东北大学 | A kind of Grouting Seepage in Rockmass slurries diffusion multifactorial experiment system |
| CN112270883A (en) * | 2020-11-05 | 2021-01-26 | 上海市建筑科学研究院有限公司 | Simulation test device for representing filling property of grouting material |
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Inventor after: Zhang Jiaxing Inventor after: Pei Xiangjun Inventor after: He Zhihao Inventor before: Pei Xiangjun Inventor before: Zhang Jiaxing Inventor before: He Zhihao |