CN110455635A - A kind of adjustable analog simulation experiment loading unit of moulded dimension - Google Patents
A kind of adjustable analog simulation experiment loading unit of moulded dimension Download PDFInfo
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- CN110455635A CN110455635A CN201910798308.8A CN201910798308A CN110455635A CN 110455635 A CN110455635 A CN 110455635A CN 201910798308 A CN201910798308 A CN 201910798308A CN 110455635 A CN110455635 A CN 110455635A
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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
- G01N3/02—Details
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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
- G01N3/12—Pressure testing
Abstract
The present invention relates to a kind of adjustable analog simulation experiment loading units of moulded dimension.Its technical solution is: the fixed jack mounting rack (2) of the upper flat plate of pedestal (1) is formed by the upper end of left support frame (9) and right support frame (18) and upper holder (12) fixation；The structure of loading system (3) is that right load plate (30) is connect by vertical connecting plate (32) with upper load plate (27), and the upper end of right baffle-plate (22) is connect by horizontal connecting plate (25) with upper load plate (27)；The working end of the horizontal hydraulic pressure jack (20) of right support frame (18) is connect with right load plate (30), the vertical hydraulic jack (14) of upper holder (12) is fixedly connected with jack mounting plate (11), the fixed bar shaped sliding block (10) of jack mounting plate (11) lower plane is movably mounted on horizontal guide rail (29), and right baffle-plate (22) is movably mounted in the guide groove of the two root posts of left support frame (9).Scale model casting space dimension adjustable of the invention and load apply controllable.
Description
Technical field
The invention belongs to analog simulation experimental rig technical fields.More particularly to a kind of adjustable similar mould of moulded dimension
Quasi- experiment loading unit.
Background technique
Physics similar test be it is a kind of be widely used, visual in image research method in geotechnical engineering.It will based on the principle of similitude
Geometric dimension, physical and mechanical parameter and the load of real geotechnical engineering reduce by a certain percentage, prepare corresponding analog material simultaneously
It pours and builds up similar test model, apply corresponding load-up condition, and combine and excavate the work such as model development engineering body deformation failure
The research of feature.Meanwhile for the engineering body of different size scales or the likelihood ratio, corresponding scale model size difference compared with
Greatly, test needs various sizes of analog simulation experimental rig.
" loading device of analog simulation test stand " (CN201520667655.4), " analog simulation experiment shelf loading equipment "
(ZL200920032332.2) and a kind of " loading device of analog simulation experiment shelf " (CN201310605415.7) three kinds of patents
Technology applies vertical load, horizontal loading to scale model by structures such as strainer, load screw rod, loading spring and sump
It is provided by the lateral effect of contraction of level of the experimental rig side plate to model, true ground stress environment cannot be restored, and device is not
Be adjustable scale model pours size." one kind can load analog simulation experimental rig and its application method "
(CN201610002446.7), " a kind of large-scale three dimensional physical experiments high rigidity prestressing force loading frame structure "
(CN201810106804.8) and " three-dimensionally loaded guide frame device for underground project model test " (CN200910014636.0) three
The two and three dimensions that kind patented technology realizes large-scale scale model controllably load, but device can not achieve and adjust scale model
Pour size, it is difficult to adapt to the test needs of different scales, and manufacturing cost is expensive, test operation is complicated, it is difficult to promote and apply.
In summary analysis shows, existing similar test loading device pours size there are scale model and adjusts difficult, water
Gentle vertical load applies uncontrollable, and device manufacturing is at high cost, complicated for operation and be difficult to the problem of promoting.
Summary of the invention
The present invention is directed to overcome prior art defect, it is therefore an objective to provide a kind of scale model and pour dimension adjustable and load
Apply the adjustable analog simulation experiment loading unit of controllable moulded dimension.
To achieve the above object, the technical scheme adopted by the invention is that:
The similar test loading device is by pedestal, jack mounting rack, loading system, rear side baffle and front side baffle group
At.
The pedestal is made of universal wheel, adjusting bolt and base cabinet.The base cabinet is by lower plate, left side
The body structure that plate, right side plate, front side board, back side panel and upper flat plate connect into.Strip-shaped hole, bar shaped are equipped on the left of upper flat plate
Hole is arranged along the longitudinal direction, and front side board and back side panel are symmetrically fixed on lower plate, and front side board and back side panel are located at strip-shaped hole
Corresponding front-end and back-end.The both ends of front side board and back side panel are accordingly fixed with left plate and right side plate, four side plates it is upper
End is fixed with upper flat plate；The outside of left plate and right side plate is equably fixed with 3 pieces of triangle fixed blocks respectively, and triangle is fixed
Block is fixedly connected with lower plate.
The width of lower plate, the width of upper flat plate, the width of the width of left plate and right side plate are equal, the length of lower plate
Equal to the sum of upper flat plate length and (160~200mm), the length b1 of strip-shaped hole is (0.4~0.6) times of the width of lower plate.
2 adjusting bolts are symmetrically equipped in the left and right side of bottom plate, are symmetrically equipped in the lower plane four corners close to lower plate
Universal wheel.
Jack mounting rack is fixed in the upper flat plate of pedestal.
The jack mounting rack includes left support frame, upper holder and right support frame.The height and width of left support frame
B0 is equal with the height of right support frame and width b0, and the lower end of left support frame and right support frame is symmetrically fixed on the upper flat of pedestal
On plate, the upper end of left support frame and right support frame is fixedly connected with upper holder.
Left support frame includes two root posts, upper cross plate and lower baffle plate.The upper end of two root posts is fixedly connected with upper cross plate, and two
The lower part of root post is fixedly connected with lower baffle plate, and the two sides of lower baffle plate bottom are fixed with triangle fixed block；The cross of two root posts
Section is rectangle, and the inside of two root posts is symmetrically provided with guide groove along the vertical direction, and the lateral surface of two root posts is evenly provided with
Screw hole；Two triangle fixed blocks and two column lower ends are fixed on the upper flat plate of pedestal, the guide groove and pedestal of two root posts
Upper flat plate strip-shaped hole horizontal plane projection be overlapped.
Right support frame includes upper guide post, right rectangular mounting plate, horizontal hydraulic pressure jack and lower guide post.Right rectangular mounting plate
Upper and lower part is accordingly provided with upper guide post hole and lower guide pillar hole, upper guide post and lower guide post pass through corresponding upper guide post hole and
Lower guide pillar hole, upper guide post and lower guide post are mounted on the right side of right rectangular mounting plate by respective linear bearing.Right rectangle peace
The middle position lower part of loading board is provided with the very heavy apical pore of horizontal hydraulic pressure, and the working end of horizontal hydraulic pressure jack passes through horizontal hydraulic pressure thousand
Jin apical pore, the shell of horizontal hydraulic pressure jack are fixedly connected with the right side of right rectangular mounting plate.The very heavy apical pore of horizontal hydraulic pressure, on
The hole heart line of guide pillar hole and lower guide pillar hole is overlapped with the center line of right rectangular mounting plate, former and later two sides of right rectangular mounting plate
Face is evenly provided with screw hole.
Upper holder include 2 bar shaped sliding blocks, jack mounting plate, left guide post, vertical hydraulic jack, right guide post and on
Rectangular mounting plate.Close to upper rectangular mounting plate the left side successively open from left to right the very heavy apical pore of left guide pillar hole, vertical hydraulic and
Right guide pillar hole, left guide post and right guide post pass through corresponding left guide pillar hole and right guide pillar hole, and left guide post and right guide post pass through each
From linear bearing be mounted on the upper plane of upper rectangular mounting plate.It is very heavy that the working end of vertical hydraulic jack passes through vertical hydraulic
Apical pore, the shell of vertical hydraulic jack are fixedly connected with the upper plane of upper rectangular mounting plate；The very heavy apical pore of vertical hydraulic, a left side are led
The hole heart line of post holes and right guide pillar hole is overlapped with the center line of upper rectangular mounting plate.
Vertical hydraulic jack is fixedly connected by jack link block with the upper plane of jack mounting plate, left guide post and
Right guide post is fixedly connected by respective guide post fixing seat with the upper plane of jack mounting plate respectively, under jack mounting plate
Plane is symmetrically fixed with bar shaped sliding block, and bar shaped sliding block (10) is arranged in left-right direction.
The loading system includes right baffle-plate, horizontal connecting plate, upper load plate, right load plate and vertical connecting plate.
Right load plate includes 2 vertical sliding blocks, 2 vertical guides, right rectangle load plate and support wheel；Right rectangle load plate
The two sides of right side lower end are equipped with support wheel, and the two sides on right rectangle load plate right side top are symmetrically equipped with vertical guide, often
A vertical guide is actively equipped with vertical sliding block.
Vertical connecting plate section is the flute profile that waist and leg are constituted, and the waist of vertical connecting plate is fixedly connected with vertical sliding block,
The leg of vertical connecting plate is symmetrically equipped with horizontal bar hole.
The working end of horizontal hydraulic pressure jack is fixed on right rectangle load plate by jack link block in the horizontal direction
Right side, upper guide post and lower guide post are separately fixed at the right side of right rectangle load plate by respective guide post fixing seat in the horizontal direction
Side.
Upper load plate includes upper rectangle load plate, 2 horizontal sliders and 2 horizontal guide rails.The upper of upper rectangle load plate is put down
Face is symmetrically equipped with horizontal guide rail, and 2 horizontal guide rails are arranged in left-right direction, and 2 horizontal guide rails are respectively provided with horizontal slider.Water
Flushconnection plate section is the flute profile that waist and leg are constituted, and the waist of horizontal connecting plate is fixedly connected with horizontal slider, horizontal connecting plate
Leg be symmetrically equipped with through-hole；The corresponding level that 2 bar shaped sliding blocks of upper holder are movably mounted to load plate is led
On rail.
The two sides of upper rectangle load plate right end are respectively equipped with screw hole, and the screw hole of upper rectangle load plate right end by bolt and erects
It is connected to the horizontal bar hole of connecting plate leg.
Right baffle-plate includes left rectangle baffle and slide plate link block.The upper end of left rectangle baffle is equipped with screw hole, left rectangle baffle
It is removably fitted into the guide groove of the column of left support frame.Slide plate link block is rectangular boss, and rectangular boss is by long rectangular block and short
" convex " shape that rectangular slab is constituted is whole, and long rectangular block and short rectangle board width are equal, long rectangular block with a thickness of short rectangular slab
2~3 times of thickness, the length of short rectangular slab is equal with the width of upper rectangle load plate, and the length of long rectangular block is equal to right baffle-plate
Width b1.The short rectangular slab side of slide plate link block is equipped with vertical strip through-hole, is equipped with spiral shell in the both ends end face of long rectangular block
Hole；The vertical strip through-hole of left rectangle baffle and slide plate link block is bolted, slide plate link block and horizontal connecting plate
Leg is bolted.
The rear side baffle be right-angle folding board group that stripe board and both ends are " L " shape at entirety, stripe board and both ends are
The width of the right angle folded plate of " L " shape is equal, and the distance b3 between two parallel sides of rear side baffle is equal to the width of right support frame
0.5 times of the difference of b0 and the width b2 of right rectangle load plate.
Front side baffle is identical as the structure of rear side baffle.
The width b1 of the left rectangle baffle is identical as the length b1 of strip-shaped hole.
The width b2 of the right rectangle load plate is 0.3~0.35 times of right rectangle load plate length, upper rectangle load plate
Width and right rectangle load plate width b2 difference be 5~8mm.
The application method of the present apparatus is:
Step 1: adjusting scale model casting space
Make the upper end of left rectangle baffle and upper rectangle load plate by adjusting the bolt in the vertical strip-shaped hole of slide plate link block
Lower plane between distance be 5~8mm, then make upper rectangle load plate by adjusting the bolt in vertical connecting plate horizontal bar hole
Right end between the left side of right rectangle load plate at a distance from be 5~8mm.It is then turned on horizontal hydraulic pressure jack and pushes right rectangle
Load plate is moved to the left, until the distance between the left side and left rectangle baffle right side of right rectangle load plate is 600~650mm
(the scale model length for needing to pour).Finally in 2~3 pieces of front sides of installed in front of the left support frame of the present apparatus and right support frame
Baffle, while 2~3 pieces of rear side baffles being installed in the rear side of left support frame and right support frame, it constitutes first time scale model and pours
Space.
Step 2: preparing scale model
Analog material first is poured to first time scale model casting space, then at the left support frame and right support frame of the present apparatus
2~3 pieces of installed in front front side baffles, while 2~3 pieces of rear side baffles, structure being installed in the rear side of left support frame and right support frame
At second of scale model casting space, analog material then is poured to second of scale model casting space；
……；
Until the height of the analog material of casting is 600mm, stop pouring for analog material.
Being then turned on vertical hydraulic jack pushes upper rectangle load plate to move down, until upper rectangle load plate is lower flat
Face is contacted with scale model, conserves scale model.
Step 3: applying vertical and horizontal direction load to model
After the completion of scale model maintenance, front side baffle and rear side baffle are removed, unscrew connection slide plate link block and is vertically connected
The bolt of fishplate bar.Restart the vertical load that vertical hydraulic jack applies setting by upper rectangle load plate to scale model,
Start horizontal hydraulic pressure jack simultaneously and setting horizontal loading is applied to scale model by right rectangle load plate.Then in similar mould
Type geometric center digging diameter is the round hole of 120mm to simulate single tunnel, and related monitoring is arranged in the single tunnel
Equipment, so as to the deformation failure research of subsequent development scale model and tunnel under complicated loads.
Due to the adoption of the above technical scheme, the present invention has following good effect compared with prior art:
(1) present invention realizes scale model by right baffle-plate, upper load plate and the triangular relative motion of right load plate
The dimension adjustable of casting space improves device to the applicability of different size scale models.
(2) present invention is using horizontal hydraulic pressure jack and vertical hydraulic jack respectively to right rectangle load plate and upper rectangle
Load plate is further applied load, and realizes vertical and horizontal loading controllable application, the more scientific and reasonable subterranean body that reduces
Complex stress environment.
(3) present invention loads left rectangle baffle and upper rectangle by adjusting the bolt in the vertical strip-shaped hole of slide plate link block
There is reserved load space between plate；Make upper rectangle load plate and right rectangle by adjusting the bolt in vertical connecting plate horizontal bar hole
There is reserved load space between load plate, avoids the rigidity effect in loading procedure between load plate.
Therefore, it is controllable to have the characteristics that scale model casting space dimension adjustable and load apply by the present invention.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of pedestal 1 in Fig. 1；
Fig. 3 is the A-A diagrammatic cross-section of Fig. 2；
Fig. 4 is the structural schematic diagram of jack support frame 2 in Fig. 1；
Fig. 5 is the B-B section enlarged diagram of Fig. 4；
Fig. 6 is the structural schematic diagram of loading system 3 in Fig. 1；
Fig. 7 is the structure enlargement diagram of Fig. 6 middle slide plate link block 24；
Fig. 8 is the structure enlargement diagram of front side baffle 5 in Fig. 1.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and detailed description, not to the limit of its protection scope
System.
Embodiment 1
A kind of adjustable analog simulation experiment loading unit of moulded dimension.Described similar test loading device such as Fig. 1 institute
Show, is made of pedestal 1, jack mounting rack 2, loading system 3, rear side baffle 4 and front side baffle 5.
As shown in Fig. 2, the pedestal 1 is made of universal wheel 6, adjusting bolt 7 and base cabinet 8.The base cabinet 8 is
The body structure connected by lower plate, left plate, right side plate, front side board, back side panel and upper flat plate.It is set on the left of upper flat plate
There is strip-shaped hole, strip-shaped hole is arranged along the longitudinal direction；Front side board and back side panel are symmetrically fixed on lower plate, front side board and rear side
Plate is located at the corresponding front-end and back-end of strip-shaped hole.The both ends of front side board and back side panel are accordingly fixed with left plate and right side plate,
The upper end of four side plates is fixed with upper flat plate；The outside of left plate and right side plate is equably fixed with 3 pieces of triangles respectively and fixes
Block, triangle fixed block are fixedly connected with lower plate.
As shown in Figures 2 and 3, the width phase of the width of lower plate, the width of upper flat plate, the width of left plate and right side plate
Length Deng, lower plate is equal to the sum of upper flat plate length and 160~180mm, the length b1 of strip-shaped hole for lower plate width
0.4~0.5 times.2 adjusting bolts 7 are symmetrically equipped in the left and right side of bottom plate, in the lower plane quadrangle close to lower plate
Place is symmetrically equipped with universal wheel 6.
As shown in Figure 1, the upper flat plate in pedestal 1 is fixed with jack mounting rack 2.
As shown in figure 4, the jack mounting rack 2 includes left support frame 9, upper holder 12 and right support frame 18.Left branch
The height and width of support 9 are equal with the height of right support frame 18 and width, and the lower end of left support frame 9 and right support frame 18 is symmetrical
Ground is fixed on the upper flat plate of pedestal 1, and the upper end of left support frame 9 and right support frame 18 is fixedly connected with upper holder 12.
As shown in figure 4, left support frame 9 includes two root posts, upper cross plate and lower baffle plate.The upper end of two root posts and upper cross plate
It is fixedly connected, the lower part of two root posts is fixedly connected with lower baffle plate, and the two sides of lower baffle plate bottom are fixed with triangle fixed block.Such as
Shown in Fig. 5, the cross section of two root posts is rectangle, and the inside of two root posts is symmetrically provided with guide groove along the vertical direction.Such as Fig. 4 institute
Show, the lateral surface of two root posts is evenly provided with screw hole, and two triangle fixed blocks and two column lower ends are fixed on pedestal 1
On upper flat plate, projection of the guide groove of two root posts with the strip-shaped hole of the upper flat plate of pedestal 1 in horizontal plane is overlapped.
As shown in figure 4, right support frame 18 include upper guide post 17, right rectangular mounting plate 19, horizontal hydraulic pressure jack 20 and under
Guide post 21.The upper and lower part of right rectangular mounting plate 19 is accordingly provided with upper guide post hole and lower guide pillar hole, and upper guide post 17 is led under
Column 21 passes through corresponding upper guide post hole and lower guide pillar hole, and upper guide post 17 and lower guide post 21 are installed by respective linear bearing
In the right side of right rectangular mounting plate 19.The middle position lower part of right rectangular mounting plate 19 is provided with the very heavy apical pore of horizontal hydraulic pressure,
The working end of horizontal hydraulic pressure jack 20 passes through the very heavy apical pore of horizontal hydraulic pressure, and the shell of horizontal hydraulic pressure jack 20 and right rectangle are pacified
The right side of loading board 19 is fixedly connected.The hole heart line and right rectangle of the very heavy apical pore of horizontal hydraulic pressure, upper guide post hole and lower guide pillar hole
The center line of mounting plate 19 is overlapped, former and later two sides of right rectangular mounting plate 19 are evenly provided with screw hole.
As shown in figure 4, upper holder 12 includes 2 bar shaped sliding blocks 10, jack mounting plate 11, left guide post 13, vertical liquid
Press jack 14, right guide post 15 and upper rectangular mounting plate 16.The left side close to upper rectangular mounting plate 16 successively opens from left to right
The very heavy apical pore of left guide pillar hole, vertical hydraulic and right guide pillar hole, left guide post 13 and right guide post 15 pass through corresponding left guide pillar hole
With right guide pillar hole, left guide post 13 and right guide post 15 are mounted on the upper plane of upper rectangular mounting plate 16 by respective linear bearing.
The working end of vertical hydraulic jack 14 passes through the very heavy apical pore of vertical hydraulic, and the shell of vertical hydraulic jack 14 and upper rectangle are pacified
The upper plane of loading board 16 is fixedly connected；The hole heart line and upper rectangle of the very heavy apical pore of vertical hydraulic, left guide pillar hole and right guide pillar hole
The center line of mounting plate 16 is overlapped.
As shown in figure 4, vertical hydraulic jack 14 is solid by the upper plane of jack link block and jack mounting plate 11
Fixed connection, left guide post 13 and right guide post 15 are fixed by respective guide post fixing seat and the upper plane of jack mounting plate 11 respectively
Connection, the lower plane of jack mounting plate 11 are symmetrically fixed with bar shaped sliding block 10, and bar shaped sliding block 10 is arranged in left-right direction.
As shown in fig. 6, the loading system 3 includes right baffle-plate 22, horizontal connecting plate 25, upper load plate 27, right load plate
30 and vertical connecting plate 32.As shown in fig. 6, right load plate 30 includes that 2 vertical sliding blocks 31,2 vertical guides 33, right rectangles add
Support plate 34 and support wheel 35；The two sides of right 34 right side lower end of rectangle load plate are equipped with support wheel 35, and right rectangle load plate 34 is right
The two sides of side surface upper part are symmetrically equipped with vertical guide 33, and each vertical guide 33 is actively equipped with vertical sliding block 31.
As shown in fig. 6, vertical 32 section of connecting plate is the flute profile that waist and leg are constituted, the waist of vertical connecting plate 32 and vertical
Sliding block 31 is fixedly connected, and the leg of vertical connecting plate 32 is symmetrically equipped with horizontal bar hole.
As shown in Fig. 1, Fig. 4 and Fig. 6, the working end of horizontal hydraulic pressure jack 20 passes through jack link block in the horizontal direction
Be fixed on the right side of right rectangle load plate 34, upper guide post 17 and lower guide post 21 by respective guide post fixing seat in the horizontal direction
It is separately fixed at the right side of right rectangle load plate 34.
As shown in fig. 6, upper load plate 27 includes 26,2 horizontal slider 28 and 2 horizontal guide rails 29 of upper rectangle load plate.
The upper plane of upper rectangle load plate 26 is symmetrically equipped with 29,2 horizontal guide rails 29 of horizontal guide rail and is arranged in left-right direction, 2 water
Level gauge 29 is respectively provided with horizontal slider 28.25 section of horizontal connecting plate is the flute profile that waist and leg are constituted, horizontal connecting plate 25
Waist is fixedly connected with horizontal slider 28, and the leg of horizontal connecting plate 25 is symmetrically equipped with through-hole；2 bar shapeds of upper holder 12
Sliding block 10 is movably mounted on the corresponding horizontal guide rail 29 of load plate 27.
As shown in fig. 6, the two sides of upper 26 right end of rectangle load plate are respectively equipped with screw hole, the spiral shell of upper 26 right end of rectangle load plate
Hole is connect by bolt with the horizontal bar hole of vertical 32 leg of connecting plate.
As shown in fig. 6, right baffle-plate 22 includes left rectangle baffle 23 and slide plate link block 24.The upper end of left rectangle baffle 23 is set
There is screw hole.As shown in Fig. 1, Fig. 4 and Fig. 6, in the guide groove for the column that left rectangle baffle 23 is removably fitted into left support frame 9.Such as Fig. 7
Shown, slide plate link block 24 is rectangular boss, and " convex " shape that rectangular boss is made of long rectangular block and short rectangular slab is whole, long
Rectangular block and short rectangle board width are equal, 2~3 times with a thickness of short rectangle plate thickness of long rectangular block, the length of short rectangular slab
Equal with the width of upper rectangle load plate 26, the length of long rectangular block is equal to the width b1 of right baffle-plate 22.Slide plate link block 24
Short rectangular slab side is equipped with vertical strip through-hole, is equipped with screw hole in the both ends end face of long rectangular block.As shown in fig. 6, left rectangle gear
Plate 23 and the vertical strip through-hole of slide plate link block 24 are bolted, the leg of slide plate link block 24 and horizontal connecting plate 25
It is bolted.
As shown in figure 8, the rear side baffle 4 be right-angle folding board group that stripe board and both ends are " L " shape at entirety, bar shaped
Plate and both ends are that the width of the right angle folded plate of " L " shape is equal, and the distance b3 between two parallel sides of rear side baffle 4 is equal to right branch
0.5 times of the difference of the width b0 of support 18 and the width b2 of right rectangle load plate 34.
As shown in Figure 1, front side baffle 5 is identical as the structure of rear side baffle 4.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5 and Fig. 6, the width b1 and the length b1 phase of strip-shaped hole of the left rectangle baffle 23
Together.
As shown in fig. 6, the width b2 of the right rectangle load plate 34 is the 0.3~0.33 of right 34 length of rectangle load plate
Times, the width b2 difference of the width of upper rectangle load plate 26 and right rectangle load plate 34 is 5~7mm.
Embodiment 2
A kind of adjustable analog simulation experiment loading unit of moulded dimension.In addition to following technical parameters, remaining and implementation
Example 1 is identical:
As shown in Figures 2 and 3, the width phase of the width of lower plate, the width of upper flat plate, the width of left plate and right side plate
Length Deng, lower plate is equal to the sum of upper flat plate length and 180~200mm, the length b1 of strip-shaped hole for lower plate width
0.5~0.62 times.
As shown in fig. 6, the width b2 of the right rectangle load plate 34 is the 0.32~0.35 of right 34 length of rectangle load plate
Times, the width b2 difference of the width of upper rectangle load plate 26 and right rectangle load plate 34 is 6~8mm.
The application method of the present apparatus is:
Step 1: adjusting scale model casting space
Add the upper end of left rectangle baffle 23 with upper rectangle by adjusting the bolt in the vertical strip-shaped hole of slide plate link block 24
Distance between the lower plane of support plate 26 is 5~8mm, then makes upper square by adjusting the bolt in vertical 32 horizontal bar hole of connecting plate
The right end of shape load plate 26 between the left side of right rectangle load plate 34 at a distance from be 5~8mm.It is very heavy to be then turned on horizontal hydraulic pressure
Top 20 pushes right rectangle load plate 34 to be moved to the left, until the left side and left 23 right side of rectangle baffle of right rectangle load plate 34
Between distance be that 600~650mm needs the scale model length that pours.Finally in the left support frame of the present apparatus 9 and right support frame
18 2~3 pieces of front side baffles 5 of installed in front, while 2~3 pieces of rear side gears being installed in the rear side of left support frame 9 and right support frame 18
Plate 4 constitutes first time scale model casting space.
Step 2: preparing scale model
Analog material first is poured to first time scale model casting space, then at the left support frame 9 and right support of the present apparatus
2~3 pieces of front side baffles 5 of installed in front of frame 18, while 2~3 pieces of rear sides being installed in the rear side of left support frame 9 and right support frame 18
Baffle 4 constitutes second of scale model casting space, then pours analog material to second of scale model casting space；
……；
Until the height of the analog material of casting is 600mm, stop pouring for analog material.
Being then turned on vertical hydraulic jack 14 pushes upper rectangle load plate 26 to move down, until upper rectangle load plate 26
Lower plane contacted with scale model, conserve scale model.
Step 3: applying vertical and horizontal direction load to model
After the completion of scale model conserves, front side baffle 5 and rear side baffle 4 are removed, unscrew connection slide plate link block 24 and is erected
To the bolt of connecting plate 32.Restart vertical hydraulic jack 14 and setting is applied to scale model by upper rectangle load plate 26
Vertical load, while starting horizontal hydraulic pressure jack 20 and the horizontal lotus of setting is applied to scale model by right rectangle load plate 34
It carries.Then in the round hole that scale model geometric center digging diameter is 120mm to simulate single tunnel, in the single tunnel
It is interior to arrange related monitoring device, so as to the deformation failure research of subsequent development scale model and tunnel under complicated loads.
Present embodiment has following good effect compared with prior art:
1, present embodiment passes through right baffle-plate 22, upper load plate 27 and the triangular relative motion of right load plate 30,
The dimension adjustable for realizing scale model casting space improves device to the applicability of different size scale models.
2, present embodiment respectively adds right rectangle using horizontal hydraulic pressure jack 20 and vertical hydraulic jack 14
Support plate 34 and upper rectangle load plate 26 are further applied load, and realize vertical and horizontal loading controllable application, more scientific and reasonable
Reduce the complex stress environment of subterranean body.
3, present embodiment makes left rectangle baffle 23 by adjusting the bolt in the vertical strip-shaped hole of slide plate link block 24
There is reserved load space between upper rectangle load plate 26；Make upper square by adjusting the bolt in vertical 32 horizontal bar hole of connecting plate
There is reserved load space between shape load plate 26 and right rectangle load plate 34, avoids the rigidity in loading procedure between load plate and make
With.
Therefore, there is present embodiment scale model casting space dimension adjustable and load to apply controllable spy
Point.
Claims (3)
1. a kind of adjustable analog simulation experiment loading unit of moulded dimension, it is characterised in that the similar test loading device
It is made of pedestal (1), jack mounting rack (2), loading system (3), rear side baffle (4) and front side baffle (5)；
The pedestal (1) is made of universal wheel (6), adjusting bolt (7) and base cabinet (8)；The base cabinet (8) is under
The body structure that plate, left plate, right side plate, front side board, back side panel and upper flat plate connect into is equipped with item on the left of upper flat plate
Shape hole, strip-shaped hole are arranged along the longitudinal direction, and front side board and back side panel are symmetrically fixed on lower plate, front side board and back side panel position
In the corresponding front-end and back-end of strip-shaped hole；The both ends of front side board and back side panel are accordingly fixed with left plate and right side plate, and four
The upper end of side plate is fixed with upper flat plate；The outside of left plate and right side plate is equably fixed with 3 pieces of triangle fixed blocks respectively, and three
Angular fixed block is fixedly connected with lower plate；
The width of lower plate, the width of upper flat plate, the width of the width of left plate and right side plate are equal, and the length of lower plate is equal to
The sum of upper flat plate length and (160~200mm), the length b1 of strip-shaped hole are (0.4~0.6) times of the width of lower plate；The bottom of at
The left and right side of plate is symmetrically equipped with 2 adjusting bolts (7), is symmetrically equipped with ten thousand in the lower plane four corners close to lower plate
To wheel (6)；
Jack mounting rack (2) are fixed in the upper flat plate of pedestal (1)；
The jack mounting rack (2) includes left support frame (9), upper holder (12) and right support frame (18)；Left support frame (9)
Height and width b0 it is equal with the height of right support frame (18) and width b0, under left support frame (9) and right support frame (18)
End is symmetrically fixed on the upper flat plate of pedestal (1), the upper end and upper holder (12) of left support frame (9) and right support frame (18)
It is fixedly connected；
Left support frame (9) includes two root posts, upper cross plate and lower baffle plate；The upper end of two root posts is fixedly connected with upper cross plate, and two
The lower part of root post is fixedly connected with lower baffle plate, and the two sides of lower baffle plate bottom are fixed with triangle fixed block；The cross of two root posts
Section is rectangle, and the inside of two root posts is symmetrically provided with guide groove along the vertical direction, and the lateral surface of two root posts is evenly provided with
Screw hole；Two triangle fixed blocks and two column lower ends are fixed on the upper flat plate of pedestal (1), the guide groove of two root posts and bottom
The strip-shaped hole of the upper flat plate of seat (1) is overlapped in the projection of horizontal plane；
Right support frame (18) includes upper guide post (17), right rectangular mounting plate (19), horizontal hydraulic pressure jack (20) and lower guide post
(21)；The upper and lower part of right rectangular mounting plate (19) is accordingly provided with upper guide post hole and lower guide pillar hole, upper guide post (17) and under
Guide post (21) passes through corresponding upper guide post hole and lower guide pillar hole, and upper guide post (17) and lower guide post (21) pass through respective straight line
Bearing is mounted on the right side of right rectangular mounting plate (19)；The middle position lower part of right rectangular mounting plate (19) is provided with horizontal liquid
Very heavy apical pore is pressed, the working end of horizontal hydraulic pressure jack (20) passes through the very heavy apical pore of horizontal hydraulic pressure, horizontal hydraulic pressure jack (20)
Shell be fixedly connected with the right side of right rectangular mounting plate (19)；The very heavy apical pore of horizontal hydraulic pressure, upper guide post hole and lower guide pillar hole
Hole heart line be overlapped with the center line of right rectangular mounting plate (19), former and later two sides of right rectangular mounting plate (19) are equably
Equipped with screw hole；
Upper holder (12) is very heavy including 2 bar shaped sliding blocks (10), jack mounting plate (11), left guide post (13), vertical hydraulic
Push up (14), right guide post (15) and upper rectangular mounting plate (16)；It successively opens from left to right on the left side close to upper rectangular mounting plate (16)
There are the very heavy apical pore of left guide pillar hole, vertical hydraulic and right guide pillar hole, left guide post (13) and right guide post (15) pass through a corresponding left side
Guide pillar hole and right guide pillar hole, left guide post (13) and right guide post (15) are mounted on upper rectangular mounting plate by respective linear bearing
(16) upper plane；The working end of vertical hydraulic jack (14) passes through the very heavy apical pore of vertical hydraulic, vertical hydraulic jack
(14) shell is fixedly connected with the upper plane of upper rectangular mounting plate (16)；The very heavy apical pore of vertical hydraulic, left guide pillar hole and the right side are led
The hole heart line of post holes is overlapped with the center line of upper rectangular mounting plate (16)；
Vertical hydraulic jack (14) is fixedly connected by jack link block with the upper plane of jack mounting plate (11), and a left side is led
Column (13) and right guide post (15) are fixedly connected by respective guide post fixing seat with the upper plane of jack mounting plate (11) respectively,
The lower plane of jack mounting plate (11) is symmetrically fixed with bar shaped sliding block (10), and bar shaped sliding block (10) is arranged in left-right direction；
The loading system (3) include right baffle-plate (22), horizontal connecting plate (25), upper load plate (27), right load plate (30) and
Vertical connecting plate (32)；Right load plate (30) includes 2 vertical sliding blocks (31), 2 vertical guides (33), right rectangle load plate
(34) and support wheel (35)；The two sides of right rectangle load plate (34) right side lower end are equipped with support wheel (35), right rectangle load plate
(34) two sides on right side top are symmetrically equipped with vertical guide (33), and each vertical guide (33) is actively equipped with vertical sliding block
(31)；
Vertical connecting plate (32) section is the flute profile that waist and leg are constituted, and the waist of vertical connecting plate (32) and vertical sliding block (31) are solid
Fixed connection, the leg of vertical connecting plate (32) is symmetrically equipped with horizontal bar hole；
The working end of horizontal hydraulic pressure jack (20) is fixed on right rectangle load plate by jack link block in the horizontal direction
(34) right side, upper guide post (17) and lower guide post (21) are separately fixed at the right side by respective guide post fixing seat in the horizontal direction
The right side of rectangle load plate (34)；
Upper load plate (27) includes upper rectangle load plate (26), 2 horizontal sliders (28) and 2 horizontal guide rails (29)；Upper rectangle
The upper plane of load plate (26) is symmetrically equipped with horizontal guide rail (29), and 2 horizontal guide rails (29) are arranged in left-right direction, 2 water
Level gauge (29) is respectively provided with horizontal slider (28)；Horizontal connecting plate (25) section is the flute profile that waist and leg are constituted, horizontal connection
The waist of plate (25) is fixedly connected with horizontal slider (28), and the leg of horizontal connecting plate (25) is symmetrically equipped with through-hole；Upper fixation
2 bar shaped sliding blocks (10) of frame (12) are movably mounted on the corresponding horizontal guide rail (29) of load plate (27)；
The two sides of upper rectangle load plate (26) right end are respectively equipped with screw hole, and the screw hole of upper rectangle load plate (26) right end passes through bolt
It is connect with the horizontal bar hole of vertical connecting plate (32) leg；
Right baffle-plate (22) includes left rectangle baffle (23) and slide plate link block (24)；The upper end of left rectangle baffle (23) is equipped with spiral shell
Hole, in the guide groove for the column that left rectangle baffle (23) is removably fitted into left support frame (9)；Slide plate link block (24) is that rectangle is convex
Platform, " convex " shape that rectangular boss is made of long rectangular block and short rectangular slab is whole, and long rectangular block and short rectangle board width are equal,
2~3 times with a thickness of short rectangle plate thickness of long rectangular block, the width phase of the length of short rectangular slab and upper rectangle load plate (26)
It is equal to the width b1 of right baffle-plate (22) Deng the length of, long rectangular block；The short rectangular slab side of slide plate link block (24) is equipped with vertical
Strip through-hole is equipped with screw hole in the both ends end face of long rectangular block；The vertical item of left rectangle baffle (23) and slide plate link block (24)
Shape through-hole is bolted, and slide plate link block (24) and the leg of horizontal connecting plate (25) are bolted；
The rear side baffle (4) be right-angle folding board group that stripe board and both ends are " L " shape at entirety, stripe board and both ends are
The width of the right angle folded plate of " L " shape is equal, and the distance b3 between two parallel sides of rear side baffle (4) is equal to right support frame (18)
Width b0 and 0.5 times of difference of width b2 of right rectangle load plate (34)；
Front side baffle (5) is identical as the structure of rear side baffle (4).
2. the adjustable analog simulation experiment loading unit of moulded dimension according to claim 1, it is characterised in that the left side
The width b1 of rectangle baffle (23) and the length b1 of strip-shaped hole are identical.
3. the adjustable analog simulation experiment loading unit of moulded dimension according to claim 1, it is characterised in that the right side
The width b2 of rectangle load plate (34) is 0.3~0.35 times of right rectangle load plate (34) length, upper rectangle load plate (26)
The width b2 difference of width and right rectangle load plate (34) is 5~8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798308.8A CN110455635A (en) | 2019-08-27 | 2019-08-27 | A kind of adjustable analog simulation experiment loading unit of moulded dimension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798308.8A CN110455635A (en) | 2019-08-27 | 2019-08-27 | A kind of adjustable analog simulation experiment loading unit of moulded dimension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110455635A true CN110455635A (en) | 2019-11-15 |
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ID=68489443
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910798308.8A Pending CN110455635A (en) | 2019-08-27 | 2019-08-27 | A kind of adjustable analog simulation experiment loading unit of moulded dimension |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848101A (en) * | 2021-09-22 | 2021-12-28 | 中铁二十局集团第四工程有限公司 | Similar simulation experiment system for realizing composite stratum circular tunnel under condition of considering plane strain state and use method |
| CN113870667A (en) * | 2021-09-30 | 2021-12-31 | 西安科技大学 | Novel similar material plane model frame of flexible size |
| CN113848101B (en) * | 2021-09-22 | 2024-04-19 | 中铁二十局集团第四工程有限公司 | Simulation experiment system for realizing composite stratum circular tunnel under plane strain state and application method |
-
2019
- 2019-08-27 CN CN201910798308.8A patent/CN110455635A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848101A (en) * | 2021-09-22 | 2021-12-28 | 中铁二十局集团第四工程有限公司 | Similar simulation experiment system for realizing composite stratum circular tunnel under condition of considering plane strain state and use method |
| CN113848101B (en) * | 2021-09-22 | 2024-04-19 | 中铁二十局集团第四工程有限公司 | Simulation experiment system for realizing composite stratum circular tunnel under plane strain state and application method |
| CN113870667A (en) * | 2021-09-30 | 2021-12-31 | 西安科技大学 | Novel similar material plane model frame of flexible size |
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