CN208060275U - The multifunction test system of deep-seated fault formation and cranny development can be simulated - Google Patents
The multifunction test system of deep-seated fault formation and cranny development can be simulated Download PDFInfo
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- CN208060275U CN208060275U CN201820626245.9U CN201820626245U CN208060275U CN 208060275 U CN208060275 U CN 208060275U CN 201820626245 U CN201820626245 U CN 201820626245U CN 208060275 U CN208060275 U CN 208060275U
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Abstract
The utility model discloses a kind of multifunction test systems for simulating deep-seated fault formation and cranny development.It includes testing stand, control system, loading system and hydraulic system, and testing stand includes forward and backward plate, upper plate, lower plate, left plate and right plate, between lower plate and left side plate, between upper plate and left side plate be to be flexibly connected；Plumb load system is located above upper plate, and horizontal addload system is located at left plate side, and when Plumb load system operation, upper plate, left plate and right plate can move vertically, and when horizontal addload system operation, left plate, upper plate can move horizontally；Upper plate and lower plate are the compoboards of split again after being cut by different angle, are provided with connecting hole in the middle part of every cutting line, bloom is provided in connecting hole, being fixedly connected for adjacent two pieces of cutting plates is realized by bloom.The utility model can realize that the lower rock mass fracture growth of deep high stress load, develop the overall process visual Simulation for causing fault development to activate.
Description
Technical field
The utility model belongs to coal mine deep rock mass cranny development analog machine field, and in particular to one kind can simulate deep
The multifunction test system of fault development and cranny development.
Background technology
As China's pit mining develops to deep, dynamic disaster is more and more frequent caused by deep-seated fault activation, and breaks
It is the essential reason of tomography cause calamity that the crack of layer rock mass, which develops,.Under normal circumstances, deep-seated fault is obtained by field measurement and causes calamity
Mechanism and rule it is more difficult, and directiveness is not strong, and not economical enough, therefore it is necessary to research and develop a set of simulation deep-seated fault shape
At and cranny development multifunction test device, carry out deep-seated fault cause calamity mechanism research.
The simulation test of fault activation is laid with mostly by artificial staggered floor to realize in currently available technology, is violated
The mechanical mechanism of fault development has more with actual conditions and is not inconsistent；And the fault activation and crack of studying different angle are drilled
For changing experiment, it need to be laid with rock stratum repeatedly and be studied, labor intensity is big, furthermore most of test simulation equipment are more coarse,
The macroscopic view activation of simulation tomography is can only be used to, and can not intuitively show the stress of fault activation early, middle, late stage, change in displacement rule
Rule and tomography rock mass characteristics of fracture development.
Utility model content
In order to solve above-mentioned technological deficiency existing in the prior art, it can simulate deep the utility model proposes one kind and break
Layer is formed and the multifunction test system of cranny development, can intuitively show the stress of fault activation early, middle, late stage, displacement becomes
Law and tomography rock mass characteristics of fracture development；Deep rock mass cranny development can be achieved, developing causes fault development and activation
Overall process visual Simulation.
Its technical solution includes：
A kind of multifunction test system for simulating deep-seated fault formation and cranny development comprising testing stand, control system
System, loading system and hydraulic system, the loading system is used to carry out vertical and horizontal addload to the testing stand, described
The loaded load that control system is used to apply loading system controls；The testing stand is a rectangular parallelepiped structure, packet
Forward and backward plate, upper plate, lower plate, left plate and right plate are included, the forward and backward plate is visualization plate, and the lower right of the lower plate is solid
It is scheduled at the fixed boundary of testing stand, lower left is provided with stiffness spring, and the bottom of the stiffness spring is fixed on testing stand
Fixed boundary at；
Between the lower plate and left side plate, between upper plate and left side plate be to be flexibly connected；
The loading system includes Plumb load system and horizontal addload system, and the Plumb load system is located on described
Above plate, the horizontal addload system is located at the left plate side, and when the Plumb load system operation, described is upper
Plate, left plate and right plate can move vertically, and when the horizontal addload system operation, the left plate, upper plate can
It moves horizontally；
The upper plate and lower plate is the compoboard of split again after being cut by different angle, at the middle part of every cutting line
It is provided with the connecting hole of rectangle, is provided with rectangle bloom in the connecting hole, adjacent two pieces are realized by the rectangle bloom
Cutting plate is fixedly connected.
As a preferred embodiment of the utility model, sliding slot is both provided on the upper plate, left plate, described hangs down
It is embedded in inside the sliding slot to the pressure head of the pressure head of loading system, horizontal addload system.
As another preferred embodiment of the utility model, the oil cylinder of the Plumb load system, the level add
The oil cylinder of loading system is each attached at the fixed boundary of testing stand, and the right plate is fixed on testing stand by screw thread pressure head
At fixed boundary.
Further, when simulating prestressing force experiment, load is applied by Plumb load system first, waits for that vertical direction reaches
When the top for adjusting right plate to after predetermined value and the tangent bottom surface of the upper plate, it is then turned on horizontal addload system and applies load.
Further, when carrying out load test, by extracting the rectangle in upper plate or lower plate in any one connecting hole
Bloom simulates the forming process of different angle normal fault.
Further, strain gauge, acoustic emission automonitor are additionally provided with inside the testing stand.
Further, the sliding slot on the upper plate is located at the top of the connecting hole.
Further, the both sides of the lower plate are provided with the first lug boss, are connected relatively on the left plate and right plate
Place is provided with the first sliding part, is slided by the first lug boss and first between the lower plate and left plate, lower plate and right plate
Realize flexible connection in portion.
Further, the both sides of the upper plate are provided with the second lug boss, are connected relatively on the left plate and right plate
Place is provided with the second sliding part, is slided by the second lug boss and second between the upper plate and left plate, upper plate and right plate
Realize flexible connection in portion.
Advantageous effects caused by the utility model are：
(1) deep rock mass cranny development can be achieved, evolution causes the overall process visual Simulation of fault development and activation；
(2) deep different angle fault development can be achieved and expand the overall process visual Simulation drilled with crack；
(3) use different ratio simulation material carry out layering laying, it can be achieved that different lithology combination fault development with
The fault activation gushing water of the research of crack Evolution, the combination of real simulation scene different lithology causes calamity problem；
(4) by computer control cylinder loading velocity, the roof weighting speed that working face difference fltting speed is brought can be simulated
Rate, affecting laws of the research work face difference fltting speed to fault development and crack propagation；
(5) the visualized simulation that fault development and crack develop under different depth can be achieved；
(6) the corner problem of testing stand biaxial loadings is eliminated.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure for the multifunction test system that the utility model can simulate deep-seated fault formation and cranny development
Schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model testing stand upper plate；
Fig. 3 is the structural schematic diagram of the utility model testing stand left plate；
Fig. 4 is the utility model testing stand lower plate structure schematic diagram；
Fig. 5 is the utility model rectangle steel block structure schematic diagram；
Fig. 6 is that the utility model can simulate deep-seated fault formation and the multifunction test system of cranny development uses (rock stratum
It is laid with and completes, connecting hole has been inserted into rectangle bloom) state diagram；
Fig. 7 is that the utility model can simulate deep-seated fault formation and the multifunction test system of cranny development uses (level
Before prestressing force load, connecting hole has been inserted into rectangle bloom) state diagram；
Fig. 8 is that the utility model can simulate deep-seated fault formation and the multifunction test system of cranny development uses (level
After the completion of prestress application, connecting hole has been inserted into rectangle bloom) state diagram；
Fig. 9 is that the utility model can simulate deep-seated fault formation and the multifunction test system of cranny development uses (load
In the process, rectangle bloom is extracted from connecting hole) state diagram；
Figure 10 is that the utility model can simulate deep-seated fault formation and the multifunction test system of cranny development uses (load
After the completion, rectangle bloom is extracted from connecting hole) state diagram；
In figure, 1, control system, 2, loading system, 3, hydraulic system, 4, testing stand, 5, upper plate, 6, left plate, 7, right side
Plate, 8, lower plate, 9, stiffness spring, 10, oil cylinder B, 11, oil cylinder A, 12, screw thread pressure head, 13, sliding slot, 14, connecting hole, 15, cutting
Seam, 16, fixed boundary, 17, be laid with rock stratum, 18, hanging wall, 19, footwall.
Specific implementation mode
The utility model proposes it is a kind of simulate deep-seated fault formed and cranny development multifunction test system, in order to
The advantages of making the utility model, technical solution are clearer, clear, are done in detail to the utility model with reference to specific embodiment
Explanation.
As shown in Figure 1, the utility model can simulate the multifunction test system of deep-seated fault formation and cranny development, including
Control system 1, loading system 2, hydraulic system 3 and testing stand 4, wherein control system 1 can control the load of application,
Testing stand is used for the laying of rock stratum, and loading system 2 can carry out testing stand vertically and horizontally stress loading, and hydraulic system 3 is main
Play hydraulic drive and accurately control, control system, the concrete structure of logging system and hydraulic system and operation principle are borrowed
The mirror prior art can be realized.
As the main improvement of the utility model, testing stand 4 is rectangular parallelepiped structure, unlike the prior art, structure
At between the upper plate 5 and left plate 6, right plate 7 of testing stand, lower plate 8 between left plate, right plate to be flexibly connected, preferably
The both sides of lower plate are provided with the first lug boss, opposite junction is provided with the first sliding part, lower plate on left plate and right plate
It is flexibly connected with the realization of the first sliding part by the first lug boss between left plate, lower plate and right plate.The both sides of upper plate are set
Be equipped with the second lug boss, opposite junction is provided with the second sliding part on left plate and right plate, upper plate and left plate, upper plate with
It is flexibly connected with the realization of the second sliding part by the second lug boss between right plate.
In conjunction with shown in Fig. 2 and Fig. 4, as another main improvement of the utility model, upper plate 5 and lower plate 8 be by
The compoboard of split, the middle part that seam 15 is cut at every are provided with the connecting hole 14 of rectangle, are connecting again after different angle cutting
Rectangle bloom is provided in hole, rectangle steel block structure is as shown in figure 5, realize the fixation of adjacent two pieces of cutting plates by rectangle bloom
Connection.In conjunction with shown in Fig. 1 and Fig. 4, the lower right of lower plate is fixed at the fixed boundary of testing stand, and lower left is provided with rigidity
The bottom of spring 9, stiffness spring is fixed at the fixed boundary 16 of testing stand；
Left side harden structure is as shown in figure 3, left plate is equipped with sliding slot 13, and the pressure head of oil cylinder A 11 is embedded in inside sliding slot and it
Connection makes left plate realize horizontal and vertical back and forth movement；
Upper plate is connect with the pressure head of oil cylinder B 10, and upper plate can do horizontal and vertical back and forth movement with pressure head；Right plate is certainly
By plate, vertical and horizontal movement can be done, right plate can be fixed its position by screw thread pressure head 12 after being moved to specific position, under
Plate, oil cylinder B, oil cylinder A, screw thread pressure head and fixed boundary 16 are fixed.
Upper sheet top surface is equipped with sliding slot, is connected thereto inside the pressure head insertion sliding slot of oil cylinder B, upper plate is made to realize vertical round-trip fortune
Dynamic, sliding slot is respectively positioned on connecting hole top, is not penetrated through with connecting hole.Upper plate is to be spelled again after being cut by different angle with testing stand lower plate
The compoboard of conjunction, and the connecting hole equipped with rectangle in the middle part of every cutting line, rectangle bloom can be inserted into connecting hole simultaneously to be agreed with therewith,
Realize being fixedly connected for adjacent two pieces of cutting plates.
It elaborates below to the application method of above-mentioned pilot system.
The first, it is laid with rock stratum
Before experiment, rock stratum is laid on testing stand, rectangle bloom is inserted into upper plate and the connecting hole of lower plate, keeps upper plate
It is complete with testing stand lower plate；Strain gauge is laid in the process of deployment of rock stratum, monitoring loading procedure interrupting layer forms front and back rock mass
Variation of stress, rock layer surface carry out laterally with vertical routing, before being formed by total station observation loading procedure interrupting layer
Change in displacement rule afterwards.It is real in the forward and backward installation organic glass (visualizing front and rear panel) of testing stand after the completion of rock stratum is laid with
The effect of visualization of displacement constraint and fault development and cranny development before and after existing model；It is equipped in the corresponding position of organic glass
Acoustic emission detection hole, when load, are put into acoustic emission probe, are allowed to and are laid with rock stratum and are close to, and realize sound during fault rock body is formed
Emit the acquisition of signal.The device for being laid with the completion of rock stratum 17 is as shown in Figure 6.
The second, apply prestressing force
After the completion of rock stratum is laid with (such as Fig. 6), apply the initial stress state of prestressing force simulation subterranean strata.First, in Fig. 6
It keeps left plate, right plate to fix under state, carries out the load of oil cylinder B, realize that the prestressing force load of vertical direction (is answered to simulation
Power)；After vertical direction is loaded onto predetermined value, adjustment right plate to the positions Fig. 7 keeps the bottom surface of right side plate top surface and upper plate intimate
It is tangent, ensure that upper plate horizontal can to the right slide；
Under Fig. 7 states, keep oil cylinder B, screw thread pressure head motionless, control cylinder A carries out horizontal addload, and (dummy level is answered
Power), left plate will move right at this time, and upper plate can also be moved right by the sliding slot of upper sheet top surface, and oil cylinder A is loaded onto setting
Stop load after value, then vertical prestressing force is finished with horizontal prestress application, as shown in figure 8, then proceeding to test in next step.
Third, experiment load
Apply (such as Fig. 8) after horizontal prestressing force, starts normal load test.According to experimental design, can extract upper plate and
Rectangle bloom in lower plate in any one connecting hole, upper plate is cut to stitch with testing stand lower plate at this time is split as two pieces, applies
The vertical stress of oil cylinder B simulates the forming process (hanging wall 18 and footwall 19) of different angle normal fault.Loading procedure
In, keep the horizontal stress value of oil cylinder A constant, and will migrate lower section to the left on the left of upper plate, it also will to the left on the left of testing stand lower plate
Lower section is migrated, and left plate can be kept and synchronizing moving on the left of testing stand lower plate, experiment by the sliding slot slide downward of its left side
Model equipment in loading procedure is as shown in Figure 9.During experiment carries out, normal fault can be clearly observed by organic glass and be formed
And the process that crack develops realizes tomography shape using preset strain gauge, the total powerstation of laying and acoustic emission monitor(ing) equipment
At front and back stress, displacement and the research of crack Evolution, the model equipment after the completion of experiment load is as shown in Figure 10.
The utility model multifunction test system is suitable for studying fault activation and the crack evolution experiment of different angle, can
Realize deep rock mass cranny development, developing causes the overall process visual Simulation of fault development and activation.
It takes or uses for reference prior art and can be realized in the part that do not addressed in aforesaid way.
Although more herein used the terms such as upper plate, lower plate, stiffness spring, sliding slot, being not precluded makes
With the possibility of other terms, those skilled in the art simply replace under the enlightenment of the utility model to what these terms were done
Change, should be covered by the scope of the present utility model within.
Claims (7)
1. it is a kind of simulate deep-seated fault formed and cranny development multifunction test system comprising testing stand, control system,
Loading system and hydraulic system, the loading system are used to carry out vertical and horizontal addload, the control to the testing stand
The loaded load that system processed is used to apply loading system controls；It is characterized in that：
The testing stand is a rectangular parallelepiped structure comprising forward and backward plate, upper plate, lower plate, left plate and right plate, it is described
Forward and backward plate is visualization plate, and the lower right of the lower plate is fixed at the fixed boundary of testing stand, and lower left is provided with rigidity
The bottom of spring, the stiffness spring is fixed at the fixed boundary of testing stand；
Between the lower plate and left side plate, between upper plate and left side plate be to be flexibly connected；
The loading system includes Plumb load system and horizontal addload system, and the Plumb load system is located on the upper plate
Side, the horizontal addload system are located at the left plate side, when the Plumb load system operation, the upper plate, a left side
Side plate and right plate can move vertically, and when the horizontal addload system operation, the left plate, upper plate can do level
Movement；
The upper plate and lower plate is the compoboard of split again after being cut by different angle, is arranged at the middle part of every cutting line
There is the connecting hole of rectangle, be provided with rectangle bloom in the connecting hole, adjacent two pieces of cuttings are realized by the rectangle bloom
Plate is fixedly connected.
2. a kind of multifunction test system for simulating deep-seated fault formation and cranny development according to claim 1,
It is characterized in that：Sliding slot, the pressure head of the Plumb load system, horizontal addload system are both provided on the upper plate, left plate
The pressure head of system is embedded in inside the sliding slot.
3. a kind of multifunction test system for simulating deep-seated fault formation and cranny development according to claim 1,
It is characterized in that：The oil cylinder of the Plumb load system, the horizontal addload system oil cylinder be each attached to consolidating for testing stand
Determine boundary, the right plate is fixed on by screw thread pressure head at the fixed boundary of testing stand.
4. a kind of multifunction test system for simulating deep-seated fault formation and cranny development according to claim 1,
It is characterized in that：Strain gauge, acoustic emission automonitor are additionally provided with inside the testing stand.
5. a kind of multifunction test system for simulating deep-seated fault formation and cranny development according to claim 2,
It is characterized in that：Sliding slot on the upper plate is located at the top of the connecting hole.
6. a kind of multifunction test system for simulating deep-seated fault formation and cranny development according to claim 1,
It is characterized in that：The both sides of the lower plate are provided with the first lug boss, and opposite junction is provided on the left plate and right plate
First sliding part is realized by the first lug boss and the first sliding part between the lower plate and left plate, lower plate and right plate and is lived
Dynamic connection.
7. a kind of multifunction test system for simulating deep-seated fault formation and cranny development according to claim 1,
It is characterized in that：The both sides of the upper plate are provided with the second lug boss, and opposite junction is provided on the left plate and right plate
Second sliding part is realized by the second lug boss and the second sliding part between the upper plate and left plate, upper plate and right plate and is lived
Dynamic connection.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414347A (en) * | 2018-04-28 | 2018-08-17 | 山东科技大学 | The multifunction test system of deep-seated fault formation and cranny development can be simulated |
| CN111596036A (en) * | 2020-06-23 | 2020-08-28 | 煤炭科学技术研究院有限公司 | Experimental simulation device and method for fault activation in coal seam mining |
| WO2020206759A1 (en) * | 2019-04-08 | 2020-10-15 | 山东科技大学 | Coal fault formation simulation test apparatus, and forward and reverse fault simulation test methods |
| CN113432993A (en) * | 2021-06-17 | 2021-09-24 | 太原理工大学 | Variable side limit arc-shaped bottom gangue compression response characteristic test device and use method thereof |
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2018
- 2018-04-28 CN CN201820626245.9U patent/CN208060275U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414347A (en) * | 2018-04-28 | 2018-08-17 | 山东科技大学 | The multifunction test system of deep-seated fault formation and cranny development can be simulated |
| WO2020206759A1 (en) * | 2019-04-08 | 2020-10-15 | 山东科技大学 | Coal fault formation simulation test apparatus, and forward and reverse fault simulation test methods |
| CN111596036A (en) * | 2020-06-23 | 2020-08-28 | 煤炭科学技术研究院有限公司 | Experimental simulation device and method for fault activation in coal seam mining |
| CN113432993A (en) * | 2021-06-17 | 2021-09-24 | 太原理工大学 | Variable side limit arc-shaped bottom gangue compression response characteristic test device and use method thereof |
| CN113432993B (en) * | 2021-06-17 | 2022-05-13 | 太原理工大学 | Variable-side-limit arc-shaped bottom gangue compression response characteristic test device and use method thereof |
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