CN206020193U - A kind of disconnected strength test assay device of shear of rock for meeting different size specification - Google Patents
A kind of disconnected strength test assay device of shear of rock for meeting different size specification Download PDFInfo
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- CN206020193U CN206020193U CN201620871046.5U CN201620871046U CN206020193U CN 206020193 U CN206020193 U CN 206020193U CN 201620871046 U CN201620871046 U CN 201620871046U CN 206020193 U CN206020193 U CN 206020193U
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Abstract
A kind of disconnected strength test assay device of shear of rock for meeting different size specification, including framework, multi-scale rock shear box, level is to load maintainer, level is to support force measuring machine, Plumb load mechanism and sample erecting bed, the multi-scale rock shear box is divided into upper and lower two parts and installs rock sample, multi-scale rock shear box is on sample erecting bed, level is located at multi-scale rock shear box both sides and on the column of framework both sides to load maintainer and level respectively to support force measuring machine, level loads on the top of multi-scale rock shear box to load maintainer, level is to the bottom for supporting force measuring machine to support multi-scale rock shear box, level supports centrage consistent with level to support force measuring machine to load maintainer force application center line simultaneously；Plumb load mechanism is located above multi-scale rock shear box and on the crossbeam of framework.It is good that this utility model effectively meets the test of multi-scale rock specimen size, reliability under large span load.
Description
Technical field
This utility model is related to a kind of disconnected strength test assay device of shear of rock, and especially one kind meets different size rule
The disconnected strength test assay device of the shear of rock of lattice.
Background technology
The mechanical properties of rock of slip mass is the key factor for affecting Landslide Stability, and rock mechanics and engineering grinds
One of main contents that studies carefully.Slip mass easily produces the geological disasters such as landslide, avalanche, mud-rock flow in rainy season, in addition makees in macroseism
With during, landslide rock mass will be subject to a certain degree of shear action.Resist for this mechanical properties of rock to slip mass
Cut off experimental study, for preventing land slide significant.
The research for being specifically designed for the Shear experimental study equipment of rock at present is also little, general using conventional direct shear apparatus or
Universal testing machine carries out analysis of experiments, such as the Shear property test of Sun Ping et al. Qingchuan County of Sichuan Province East River mouth landslide rock
Employ universal testing machine to be analyzed, it is impossible to meet the test under the effect of needs twin shaft.Conventional direct shear apparatus test is simultaneously ensureing
When reaching shear-type load, the structural plane waviness occurred after being cut off due to rock is larger, the tangential biography being connected with tangential hydraulic cylinder
The moment of flexure that sensor is subject to can be very big, may produce considerable influence to result, once while crackle is obliquely after rock fracture
After cracking, tangential loading head can encounter rock structural face, and fracture track cannot be detected and be forced termination test, in addition to sample
It is also very big problem that how box meets the installation of multi-scale rock sample.Therefore rock mass is big due to there is Shear Strength,
There is very high requirement to equipment load, equipment precision, sample installation etc..Exploitation is a kind of to be specifically designed for the disconnected intensity of shear of rock
Dimensional effect testing machine is extremely important to the Shear Strength of slip mass.
Content of the invention
In order to overcome the shortcomings of the Shear Strength test request that cannot meet multiple dimensioned specimen size of existing direct shear apparatus,
This utility model provides that a kind of effectively to meet the test of multi-scale rock specimen size, reliability under large span load good
Meet the disconnected strength test assay device of shear of rock of different size specification.
This utility model solves the technical scheme adopted by its technical problem：
A kind of disconnected strength test assay device of shear of rock for meeting different size specification, including framework, multi-scale rock
Shear box, level are to load maintainer, level to force measuring machine, Plumb load mechanism and sample erecting bed is supported, described multiple dimensioned
Rock shearing box is divided into upper and lower two parts and installs rock sample, and multi-scale rock shear box is arranged on sample erecting bed, water
Put down to load maintainer and level multi-scale rock shear box both sides are located at respectively and installed in framework both sides to support force measuring machine
Column on, level loads on the top of multi-scale rock shear box to load maintainer, and level is more to supporting force measuring machine to support
The bottom of yardstick rock shearing box, while level supports center to load maintainer force application center line and level to support force measuring machine
Line is consistent；Plumb load mechanism is located above multi-scale rock shear box and on the crossbeam of framework.
Further, the multi-scale rock shear box is divided into structure identical shear box upper and lower, the shear box
Bottom is included by short side plate, long side plate, gripper shoe, sample box, height adjustment plate, support shaft, support block and base plate, the short side
Plate is arranged on the base plate left and right sides, and long side plate is bolted installed in both sides before and after base plate, short side plate and long side plate mutually.
N bar straight troughs are set on long side plate, are respectively mounted two gripper shoes in front and back in the straight trough of the symmetrical position of long side plate and are passed through
Triangle connector is fixed, and is fixed in two gripper shoes according to the sample box that rock sample size is arranged, and its bottom is installed and matched somebody with somebody
Set height adjustment plate, the height of height adjustment plate are fixed on the corresponding height of step-like multiple support shafts by nut, support
Axle is fixed on the screwed hole of base plate.
Further, the level to cutting mechanism include tangential actuator, level to the first force cell, level to
Hinge joint, force frame, force-transmitting seat, pressure roller, guide rod, guide rod seat and connector, the tangential actuator are fixed on left side column
Middle part, level fixed to first force cell one end with tangential actuator pistons bar, and level is another to the first force cell
One end is connected to Hinge joint by level with force frame；Force frame rear and front end arranges two loading heads and is respectively mounted power transmission
Seat, is provided with the pressure roller containing lubricating oil and pressure roller can be rotated on force-transmitting seat on force-transmitting seat.Pressure roller acts on multiple dimensioned rock
On the support block contact surface on stone shear box top；Force-transmitting seat rear and front end is fixed by connector with guide rod respectively, pacifies on guide rod
Two guide rod seats are housed, guide rod seat is fixed on column.
Further, the level is to supporting force measuring machine to include level to the second force cell and bracing frame, described
Level is fixed on right side uprights to second force cell one end, and level connects to the second force cell other end and bracing frame
Connect, bracing frame rear and front end respectively arranges one fastener and acts on the support block contact surface of bottom multi-scale rock shear box
On.
The Plumb load mechanism includes vertical actuator, vertical force cell, vertical Hinge joint, load plate, cunning
Dynamic way block, vertical guide rail, steel wire rope and movable plate, vertical actuator are fixed on crossbeam, vertical force cell one end with
Vertical actuator pistons bar connection, the vertical force cell other end are connected by vertical Hinge joint with load plate, load plate
Right side is connected to offset the impact of tangential force with the vertical guide rail on right side uprights.Load plate bottom is installed by one group of slip
Way block, the movable plate below way block are connected in load plate by steel wire rope.
The sample erecting bed includes shear box fixed seat, mobile station, horizontal direction guiding rail and moving cart, many chis of bottom
Degree sample shear box is fixed on a mobile station by shear box fixed seat, and mobile station is on horizontal direction guiding rail；Horizontal guide
Rail is in moving cart.Moving cart is provided with the expanding pulley of Driven by Hydraulic Cylinder, and the expanding pulley can be installed along sample
Move in the stopper slot of frame both sides, after expanding pulley is retracted, moving cart is placed in supporting table.
Technology design of the present utility model is：Conventional direct shear apparatus is typically unable to reach rock shearing fracture due to load, with
When rock fracture after occur structural plane there may be the very big situation of waviness, this to requirement from level to force cell very
Height, i.e., bear to force cell in level and how to ensure under larger moment of flexure level to loading accuracy, while rock shearing is disconnected
After splitting, tangential loading head is likely to be encountered rock sample and is forced test and terminates.And general universal testing machine only one of which direction
Tensile or Compressive Loading, it is difficult to simulating actual rock cuts off situation.In addition how multiple dimensioned rock sample is placed in shear box
It is the major issue for needing to solve.The acquisition of the Shear Strength parameter of rock is weighed to the mechanical property of study of rocks very much
Will, a kind of disconnected Size Effect of Strength testing machine of shear of rock is proposed based on this.It is for full under the top load of multi-scale rock
The required precision of sufficient Shear Strength test, meet the level of ISRM's recommendation to loading centrage and level to
The requirement for supporting centrage as consistent as possible, meets the installation requirement of multi-scale rock sample.Tried according to the rock of different scale
Sample dimensional requirement is arranged on each sample in same multi-scale rock shear box by adjusting the width and height of mounting box, and
And in the middle part of multi-scale rock sample, it is always positioned at horizontal direction loading centrage.Level to loading when many by being carried in top
In the support block of yardstick rock shearing box both sides, level to being supported in the support block of bottom multi-scale rock shear box both sides,
The strong point and loading head are located in same horizontal line.To two force cells are provided with, one of them is not bending moment to level
Support sensor, another be with loading actuator be connected, with multi-scale rock shear box bottom fix flat board below peace
Guide rail is housed, therefore support sensor can be as main level to force cell.The load plate bottom peace of Plumb load mechanism
Way block has been filled to reduce the frictional force after cutting off, and guide rail has been provided with column to support normal force, vertical so as to protect
Actuator and the precision of the vertical force cell of guarantee.
This utility model has the advantage that：1st, the test of high accuracy Shear, reliability under top load are effectively met good
Good；2nd, the shear polymer of this testing machine meets the staight scissors test request of International Rock mechanics recommendation very much；3. this testing machine adaptability
By force, the multi-scale rock sample testing for being suitable for different size specification is required.
Description of the drawings
Fig. 1 is the front view of the disconnected strength test assay device of shear of rock for meeting different size specification.
Fig. 2 is framework front view.
Fig. 3 is multi-scale rock shear box top view.
Fig. 4 is multi-scale rock shear box front sectional view.
Fig. 5 be level to cutting mechanism top view.
Fig. 6 be level to support force measuring machine top view.
Fig. 7 is Plumb load mechanism front view.
Fig. 8 is sample erecting bed front view.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.
With reference to Fig. 1～Fig. 8, a kind of disconnected strength test assay device of shear of rock for meeting different size specification, including frame
Frame 1, multi-scale rock shear box 3, level are to load maintainer 2, level to support force measuring machine 6, Plumb load mechanism 7 and sample
Erecting bed 5,3 points of the multi-scale rock shear box for upper and lower two parts and install rock sample 4, multi-scale rock shear box 3
On sample erecting bed 5, level is cut positioned at multi-scale rock to load maintainer 2 and level respectively to support force measuring machine 6
Cut 3 both sides of box and on the column of 1 both sides of framework, level loads on the upper of multi-scale rock shear box 3 to load maintainer 2
Portion, level support the bottom of multi-scale rock shear box 3 to support force measuring machine 6, while level is to 2 force application center of load maintainer
Line supports centrage consistent with level to support force measuring machine 6.Plumb load mechanism 7 is located above multi-scale rock shear box 3
And on the crossbeam of framework 1.
The framework 1 includes column 11, crossbeam 12 and platform 13.Platform 13 and 12 both sides of crossbeam column 11, crossbeam are installed
13 are located above column 11.
3 points described of multi-scale rock shear box is structure identical shear box upper and lower, wherein shear box bottom
Mainly by short side plate 31, long side plate 32, gripper shoe 33, sample box 34, height adjustment plate 35, support shaft 36, support block 37 and bottom
Plate 38 is constituted.Short side plate 31 is arranged on 38 left and right sides of base plate, and long side plate 32 is installed in both sides before and after base plate 38,31 He of short side plate
Long side plate 32 is bolted mutually.N bar straight troughs are set on long side plate 32, the symmetrical position of long side plate 32 is straight in front and back
Two gripper shoes 33 are respectively mounted in groove and are fixed by triangle connector, according to the sample box 34 that rock sample size is arranged
It is fixed in two gripper shoes 33, supporting height adjustment plate 35 is installed in its bottom, the height of height adjustment plate 35 is solid by nut
The corresponding height of step-like multiple support shafts 36 is scheduled on, support shaft 36 is fixed on the screwed hole of base plate.
Described level to cutting mechanism mainly from tangential actuator 21, level to the first force cell 22, level to
Hinge joint 29, force frame 23, force-transmitting seat 24, pressure roller 25, guide rod 26, guide rod seat 27 and connector 28 are constituted.Tangential actuator
21 middle parts for being fixed on left side column 11, level are fixed to 22 one end of the first force cell with 21 piston rod of tangential actuator,
Level is connected to Hinge joint 29 by level to 22 other end of the first force cell with force frame 23.Two before and after force frame 23
End arranges two loading heads and is respectively mounted force-transmitting seat 24, is provided with the pressure roller 25 containing lubricating oil and causes pressure roller on force-transmitting seat 24
25 can rotate on force-transmitting seat 24.Pressure roller 25 is acted on 37 contact surface of support block on multi-scale rock shear box top.Power transmission
24 rear and front ends of seat are fixed by connector 28 with guide rod 26 respectively, are provided with two guide rod seats 27, guide rod seat 27 on guide rod 26
It is fixed on column 11.
Described level is mainly closed to second hinge from level to the second force cell 63, level to support force measuring machine
Section 62 and bracing frame 61 are constituted, and level is fixed on right side uprights 11 to 63 one end of the second force cell, and level is surveyed to second
63 other end of force transducer and bracing frame 63 are connected to second hinge joint 62 by level, and 61 rear and front end of bracing frame is respectively arranged
One fastener is simultaneously acted on 37 contact surface of support block of bottom multi-scale rock shear box 3.
Described Plumb load mechanism 7 is main by vertical actuator 71, vertical force cell 72, vertical Hinge joint
73rd, load plate 74, rail plate block 75, vertical guide rail 76, steel wire rope 77 and movable plate 78 are constituted.Vertical actuator 71 is fixed on
On crossbeam 12,72 one end of vertical force cell is connected with 71 piston rod of vertical actuator, 72 other end of vertical force cell
It is connected by vertical Hinge joint 73 with load plate 74, with the vertical guide rail 76 on right side uprights 11 on the right side of load plate 74
Connect to offset the impact of tangential force.74 bottom of load plate is installed by one group of rail plate block 75, the movable plate 78 below way block
It is connected in load plate 74 by steel wire rope 77.
Described sample erecting bed is mainly by shear box fixed seat 51, mobile station 52, horizontal direction guiding rail 53, moving cart
54th, supporting table 55 and sample installing rack 56 are constituted.The multiple dimensioned sample shear box 3 of bottom is fixed on by shear box fixed seat 51
In mobile station 52, mobile station 52 is on horizontal direction guiding rail 53., in moving cart 54, movement is little for horizontal direction guiding rail 53
Car 54 is provided with the expanding pulley of Driven by Hydraulic Cylinder, and it can be moved along in the stopper slot of 56 both sides of sample installing rack, and expanding pulley contracts
After returning, moving cart 54 is placed in supporting table 55.
The course of work of the present embodiment is as follows：Adjusted from sample box 34 and height according to the yardstick of multi-scale rock sample 4
Imposite 35, two 33 positions of gripper shoe fixation in multi-scale rock shear box 3, installs 4 support shafts 36 on base plate 38, pacifies
Dress height adjustment plate 35 is fixed on 36 corresponding height of support shaft and with nut, and installation sample box 34 is on height adjustment plate 35
And be fixed in gripper shoe 33.Multi-scale rock sample 4 is installed Dao sample box 34 in, same process installs multi-scale rock shearing
The top of box 3 simultaneously attaches it to the bottom of multi-scale rock shear box 3 so that rock sample is located just at the sample box on top
In 34, in addition the support block 37 on top is located at left end, and the support block 37 of bottom is located at right-hand member.The multiple dimensioned of rock sample will be installed
Rock shearing box 3 is installed in the mobile station 52 of sample erecting bed 5 and is fixed by shear box fixed seat 51, wherein mobile station 52
It is located above moving cart 54, moving cart 54 along in 56 mobility framework test space of sample installing rack, stretch by moving cart 54
After contracting wheel is retracted, moving cart 54 is placed in supporting table 55.Level supports multi-scale rock shear box 3 to support force measuring machine 6
In the support block 37 of bottom, Plumb load mechanism 7 applies vertical load, and level is to 2 imposed load of load maintainer to multiple dimensioned rock
In the support block 37 on 3 top of stone shear box, off-test after rock sample fracture produces certain displacement.
Claims (6)
1. the disconnected strength test assay device of a kind of shear of rock for meeting different size specification, it is characterised in that：The test dress
Put including framework, multi-scale rock shear box, level to load maintainer, level to support force measuring machine, Plumb load mechanism and
Sample erecting bed, the multi-scale rock shear box are divided into upper and lower two parts and install rock sample, multi-scale rock shear box
On sample erecting bed, level is located at multi-scale rock shear box to load maintainer and level respectively to support force measuring machine
Both sides are simultaneously arranged on the column of framework both sides, and level loads on the top of multi-scale rock shear box, level to load maintainer
To the bottom for supporting force measuring machine to support multi-scale rock shear box, at the same level to load maintainer force application center line and level to
Force measuring machine is supported to support centrage consistent；Plumb load mechanism is located above multi-scale rock shear box and installed in framework
On crossbeam.
2. the disconnected strength test assay device of the shear of rock for meeting different size specification according to claim 1, its feature
It is：The multi-scale rock shear box is divided into structure identical shear box upper and lower, the shear box bottom include by
Short side plate, long side plate, gripper shoe, sample box, height adjustment plate, support shaft, support block and base plate, the short side plate are arranged on bottom
The plate left and right sides, long side plate are bolted installed in both sides before and after base plate, short side plate and long side plate mutually.Set on long side plate
N bar straight troughs are put, two gripper shoes is respectively mounted in front and back in the straight trough of the symmetrical position of long side plate and is connected by triangle
Part is fixed, and is fixed in two gripper shoes according to the sample box that rock sample size is arranged, and supporting height adjustment is installed in its bottom
Plate, the height of height adjustment plate are fixed on the corresponding height of step-like multiple support shafts by nut, and support shaft is fixed on bottom
On the screwed hole of plate.
3. the disconnected strength test assay device of the shear of rock for meeting different size specification according to claim 1 and 2, which is special
Levy and be：The level to cutting mechanism include tangential actuator, level to the first force cell, level to Hinge joint,
Force frame, force-transmitting seat, pressure roller, guide rod, guide rod seat and connector, the tangential actuator are fixed on the middle part of left side column, water
Put down to first force cell one end and fix with tangential actuator pistons bar, level is to the first force cell other end and force
Frame is connected to Hinge joint by level；Force frame rear and front end arranges two loading heads and is respectively mounted force-transmitting seat, force-transmitting seat
On pressure roller containing lubricating oil is installed and pressure roller can be rotated on force-transmitting seat.Pressure roller is acted on multi-scale rock shear box
On the support block contact surface in portion；Force-transmitting seat rear and front end is fixed by connector with guide rod respectively, is provided with two and leads on guide rod
Pole socket, guide rod seat are fixed on column.
4. the disconnected strength test assay device of the shear of rock for meeting different size specification according to claim 1 and 2, which is special
Levy and be：To supporting force measuring machine to include level to the second force cell and bracing frame, the level is to second for the level
Force cell one end is fixed on right side uprights, and level connects to the second force cell other end and bracing frame, bracing frame
Rear and front end respectively arranges one fastener and acts on the support block contact surface of bottom multi-scale rock shear box.
5. the disconnected strength test assay device of the shear of rock for meeting different size specification according to claim 1 and 2, which is special
Levy and be：The Plumb load mechanism includes vertical actuator, vertical force cell, vertical Hinge joint, load plate, slip
Way block, vertical guide rail, steel wire rope and movable plate, vertical actuator are fixed on crossbeam, vertical force cell one end with hang down
Connect to actuator pistons bar, the vertical force cell other end is connected by vertical Hinge joint with load plate, load plate is right
Side is connected to offset the impact of tangential force with the vertical guide rail on right side uprights.One group of slip is installed and is led in load plate bottom
Rail block, the movable plate below way block are connected in load plate by steel wire rope.
6. the disconnected strength test assay device of the shear of rock for meeting different size specification according to claim 1 and 2, which is special
Levy and be：The sample erecting bed includes shear box fixed seat, mobile station, horizontal direction guiding rail and moving cart, many chis of bottom
Degree sample shear box is fixed on a mobile station by shear box fixed seat, and mobile station is on horizontal direction guiding rail；Horizontal guide
Rail is in moving cart.Moving cart is provided with the expanding pulley of Driven by Hydraulic Cylinder, and the expanding pulley can be installed along sample
Move in the stopper slot of frame both sides, after expanding pulley is retracted, moving cart is placed in supporting table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620871046.5U CN206020193U (en) | 2016-08-11 | 2016-08-11 | A kind of disconnected strength test assay device of shear of rock for meeting different size specification |
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| CN201620871046.5U CN206020193U (en) | 2016-08-11 | 2016-08-11 | A kind of disconnected strength test assay device of shear of rock for meeting different size specification |
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| CN108181187A (en) * | 2017-12-15 | 2018-06-19 | 浙江科技学院 | Suitable for the stepless adjustable shear box in more dimensional structure faces |
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| CN108181187A (en) * | 2017-12-15 | 2018-06-19 | 浙江科技学院 | Suitable for the stepless adjustable shear box in more dimensional structure faces |
| CN107991171A (en) * | 2017-12-15 | 2018-05-04 | 浙江科技学院 | Structural plane shear box based on combined multi-stage limiting plate |
| CN112051148A (en) * | 2020-09-15 | 2020-12-08 | 燕山大学 | Experimental device for multiscale instability process of multi-sub-fault system |
| CN112051148B (en) * | 2020-09-15 | 2021-08-31 | 燕山大学 | Experimental device for multiscale instability process of multi-sub-fault system |
| CN112945755A (en) * | 2021-02-07 | 2021-06-11 | 陕西省水利电力勘测设计研究院勘察分院 | Rock double-face shearing test device and test method |
| CN112945755B (en) * | 2021-02-07 | 2024-04-09 | 陕西省水利电力勘测设计研究院勘察分院 | Rock double-sided shear test device and test method |
| CN114878279A (en) * | 2022-06-01 | 2022-08-09 | 成都理工大学 | Rock sample manufacturing device and manufacturing method thereof |
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