CN210071502U - Positive fault simulation test device with adjustable angle and crack initiation position - Google Patents
Positive fault simulation test device with adjustable angle and crack initiation position Download PDFInfo
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- CN210071502U CN210071502U CN201920468458.8U CN201920468458U CN210071502U CN 210071502 U CN210071502 U CN 210071502U CN 201920468458 U CN201920468458 U CN 201920468458U CN 210071502 U CN210071502 U CN 210071502U
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Abstract
The utility model provides a positive fault simulation test device with adjustable angle and crack initiation position, which relates to the technical field of positive fault simulation test and comprises a base, a stand column, a baffle, a hydraulic lifting device, a lower angle adjusting device, a push rod device, an upper loading device, an upper angle adjusting device, a front baffle and a transparent side plate, wherein the hydraulic lifting device and the angle adjusting mechanism are arranged below an experimental body; when the device is used for simulating a normal fault, the inclination angles of the inclined plate of the lower angle adjusting device and the inclined push plate of the upper angle adjusting device are the same, and the upper loading system loads downwards to form the normal fault. The utility model provides a condition is single when the positive fault simulation, forms and is not conform to the formation mechanics mechanism of reality to and the fault inclination and the inconvenient technical problem of crack initiation position control, and easy and simple to handle.
Description
Technical Field
The utility model belongs to the technical field of similar material analogue test technique and specifically relates to an angle and positive fault analogue test device of fracture position adjustable.
Background
The physical simulation experiment of the structure is an important and effective method for researching the geological structure, and is an important means for geologists to research the formation deformation process and the fault formation mechanism. The existing method for manufacturing faults by using a simulation test device does not conform to the formation mechanism of geological structure faults, and the fault formation position and angle are lack of a flexible control method, so that a device and a method which can conveniently control the dip angle and the position of a simulation fault are needed.
At present, Chinese patent 2018102561390 discloses a simulated ground fissure extension device and a use method thereof, the utility model can overcome the problems of single type of base motion, unchangeable motion dip angle, obvious boundary effect and the like in a general simulation test, but the whole structure is too complex and the cost is too high, a method of eliminating the boundary effect by a movable baffle plate is adopted, a fault plane is artificially manufactured, but the fault plane is generated in a non-stress environment and is not consistent with the forming condition of an actual fault.
Chinese patent 2010102463419 discloses a simulation test push pedal in simulated geological structure, apply stress loading simulation fault formation to experimental materials, the experimental apparatus of development process, it includes stage body base, the mesa, still include the model and fill the district, power loading, be equipped with peripheral frame, the model is filled the district and is made up by last combination push pedal, lower combination push pedal, left side sideboard, right side sideboard etc. power loading includes power pack, including manual power loading device, power pack includes electronic jar and its supporting roller, the device is equipped with dismantled and assembled combination push pedal, it is equipped with guide chute. The device is provided with a movable side plate mechanism and a triangular plug-in module. The triangular plug-in module comprises a left part and a right part, each part is provided with a dovetail groove and a rectangular groove, and a guide contact surface with an inclined surface movably connected is arranged between the two parts. After adopting above-mentioned structure, can realize the geological simulation to single fault and combination fault, can realize the loading simulation of geological stress such as extrusion, tension, turn round to the experimental materials that have certain plasticity, the power combination push pedal can splice by cordwood system wantonly, overall structure is simple, the motion is nimble. The device is triangle-shaped grafting module, connects through dovetail and rectangular channel and push pedal, but can only set up two, simulates single fault, needs to carry out many times the experiment to complicated fault zone simulation just can reach anticipated purpose, and the effect precision of final simulation is not enough moreover, and theoretical error is too big, can't evaluate the actual conditions even. In addition, the whole structure is too complex and the test cost is too high by combining the structures such as the push plate and the like.
Chinese patent 201710153425X discloses a test device and a method for simulating normal and reverse fault motion of rock and soil mass, the device and the method can randomly adjust (within 30-90 degrees) fault dislocation inclination angle, a door opening is arranged on the side wall of a model box to facilitate soil mass disassembly, deformation and damage of overlying soil mass caused by normal and reverse fault dislocation motion are simulated, but the device is not in accordance with the mechanical mechanism of fault formation, and the fault cracking position cannot be adjusted, which is also the problem of the test device.
In order to reduce the test cost, the fault simulation test device which is simple in structure, accords with the fault formation mechanical mechanism and is simple and convenient to operate is manufactured.
SUMMERY OF THE UTILITY MODEL
Fault inclination and the inconvenient technical problem of position control that breaks off when solving positive fault formation make the simulation that positive fault formed more accord with mechanics formation mechanism, the utility model provides an angle and position adjustable positive fault analogue test device that breaks off, concrete technical scheme as follows.
A normal fault simulation test device with adjustable angle and crack initiation position comprises a base, an upright post, a top beam, a baffle, a hydraulic lifting device, a lower angle adjusting device, a push rod device, an upper loading device, an upper angle adjusting device, a positioning device, a front baffle and a transparent side plate; the two ends of the base are provided with upright columns, baffles are arranged on the base between the upright columns, the upper ends of the upright columns are connected through a top beam, and the experimental body is placed between the baffles; one end of the push rod device is fixed on the upright post; the hydraulic lifting device and the angle adjusting mechanism are arranged below the experimental body; the upper loading device and the upper angle adjusting device are arranged above the experimental body; positioning devices are arranged on the upper angle adjusting device and the lower angle adjusting device; the transparent side plate is fixedly arranged on the rear side face of the experimental body, and the strip-shaped front baffles are arranged on the front side face of the experimental body.
Preferably, the lower angle adjusting device comprises an inclined plate, a telescopic rod, a goniometer and a lower baffle plate, the lower part of the lower baffle plate is connected with the push rod device, the end parts of the inclined plate and the lower baffle plate are hinged, and two ends of the telescopic rod are respectively hinged with the inclined plate and the lower baffle plate.
More preferably, the angle meter is arranged at the hinge joint of the lower baffle and the inclined plate, and the telescopic drawing plate is arranged at the hinge joint of the inclined plate.
Preferably, the hydraulic lifting device comprises a sliding block, a hydraulic cylinder, pulleys, locking screws and a sliding baffle, the lower surface of the sliding baffle is provided with wheel grooves, the pulleys slide along the wheel grooves, the pulleys are fixed at two ends of a pressure head of the hydraulic cylinder, dovetail grooves in the sliding block are matched with sliding rails in the base, the locking screws are arranged on the sliding block, and the hydraulic cylinder is fixed above the sliding block.
Preferably, go up angle adjusting device and include increased pressure board, slope push pedal, overhead gage, angle modulation push rod and telescopic push rod, the tip of increased pressure board sets up the floor, and the tip of floor is provided with the pulley, and the pulley is pressed on the slope push pedal, and the angle modulation push rod sets up between overhead gage and slope push pedal, adjusts the inclination of slope push pedal, and telescopic push rod's one end is fixed the other end on the baffle and is linked to each other with the overhead gage.
More preferably, the angle adjusting push rod and the telescopic push rod use a lead screw adjusting mechanism; the telescopic rod uses a hydraulic telescopic cylinder; the push rod device uses a hydraulic telescopic cylinder, and the end part of the hydraulic telescopic cylinder is fixedly connected with the lower baffle plate; and a goniometer is arranged at the hinged position of the inclined push plate and the upper baffle.
Preferably, the positioning means comprises a laser disposed on and parallel to the inclined plate and a positioner disposed on and parallel to the inclined push plate.
Preferably, the front baffle and the transparent side plate are made of transparent materials, and the inclined plate and the inclined push plate are made of polytetrafluoroethylene materials.
The beneficial effects of the utility model include:
(1) the utility model provides a positive fault simulation test device with adjustable angle and crack initiation position, which utilizes the combination of a lower angle adjusting device and an upper angle adjusting device to jointly determine the dip angle of the fault, realizes the control of the dip angle of the fault, and the hinged part of the inclined plate is provided with a pull expansion plate to further ensure the dip angle crack initiation position of the fault; the control of the crack initiation position is realized through the matched loading of the push rod device, the upper loading device and the hydraulic lifting device, and the problem that the fault simulation device cracks at a single position is solved.
(2) The device uses the combination of the inclined plate and the lower baffle plate to form an inclination angle, thereby ensuring that the fault is cracked at a crack initiation point along the set inclination angle; the inclined plate is provided with a drawing telescopic plate at the hinged position, so that the inclined plate can be reversely stretched, and the accuracy of a crack initiation point of a fault is further ensured; the hydraulic lifting device is provided with a sliding block and a pulley, so that the hydraulic lifting device is convenient to move, and the hydraulic lifting device is fixed by arranging a locking screw; the upper angle adjusting device is pressurized along the inclined push plate through a pulley on the rib plate, so that cracks are formed at the joint of the inclined push plate and the pressurizing plate; the laser and the positioner of the positioning device ensure that the inclined plate and the inclined push plate are in the same plane, namely the plane of the normal fault.
(3) When the device is used, the control of the simulated fault dip angle can be realized, the flexible control of the fault dip angle is realized, the test cost is reduced, and the test operation steps are simplified; the hydraulic lifting device ensures that deformation of similar materials is controlled after the fault structure is formed.
Drawings
FIG. 1 is a schematic structural diagram of a normal fault simulation test device with adjustable angle and crack initiation position;
FIG. 2 is a schematic structural view of a hydraulic lifting device;
FIG. 3 is a schematic view of the structure of the angle adjustment apparatus;
FIG. 4 is a schematic view of the structure of the upper angle adjusting device;
FIG. 5 is a schematic view of a transparent side plate structure;
in the figure: 1-a base; 2-upright post; 3-top beam; 4-a baffle plate; 5-a hydraulic lifting device; 51-a slider; 52-hydraulic cylinder; 53-a pulley; 54-a locking screw; 55-a sliding baffle; 6-lower angle adjusting device; 61-inclined plate; 62-a telescopic rod; 63-goniometer; 64-a lower baffle; 7-a push rod device; 8-upper loading means; 9-upper angle adjusting device; 91-a pressure plate; 92-a slanted push plate; 93-upper baffle; 94-angle adjusting push rod; 95-telescopic push rod; 10-a positioning device; 11-a front baffle; 12-a transparent side plate; 13-Experimental body.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a positive fault simulation test device with adjustable angle and crack initiation position, which has the following specific embodiments.
The utility model provides an angle and positive fault analogue test device of position adjustable that breaks that starts include specifically that base 1, stand 2, back timber 3, baffle 4, hydraulic pressure elevating gear 5, angle adjusting device 6, pusher gear 7, upper portion loading device 8, angle adjusting device 9, positioner 10, preceding baffle 11 and transparent curb plate 12 down. The combination of the base 1, the upright posts 2, the top beam 3 and the baffle 4 forms a frame of the testing device, and is used for placing and fixing an experimental body 13; the hydraulic lifting device 5 is matched with the deformation generated in the fault forming process of the experimental body 14 through lifting; the lower angle adjusting device 6 and the upper angle adjusting device 9 determine the dip angle of the fault through a positioning device and a goniometer 63 in the device; the push rod device 7 controls the lower cracking point of the normal fault and the overall position of the fault by adjusting the position of the angle adjusting device; the upper angle adjusting device 9 adjusts the position along with the lower angle adjusting device, so that the accuracy of the inclination angle and the position of the fault is ensured; the upper loading device 8 applies load to simulate the formation of faults; the arrangement of the front baffle 11 and the transparent baffle 12 can facilitate observation of the fault forming process, and in addition, the device also solves the problem that the fault simulation device cracks at a single position.
The both ends of base 1 are provided with stand 2, still are provided with baffle 4 on the base between the stand 2, and the upper end of stand 2 is passed through back timber 3 and is connected, and the experimental body 13 is placed between the baffle. One end of the push rod device 7 is fixed on the upright post 2, and the other end is connected with the lower angle adjusting device 6 to adjust the position of the lower angle adjusting device 6. The hydraulic lifting device 5 and the lower angle adjusting device 6 are arranged below the experimental body 14, the upper loading device 8 and the upper angle adjusting device 9 are arranged above the experimental body 13, and the upper angle adjusting device 9 and the lower angle adjusting device 6 are provided with positioning devices. The transparent side plate 12 is fixed on the rear side of the experimental body by bolts, and the strip-shaped front baffles 11 are fixed on the front side of the experimental body 13 by bolts.
The lower angle adjusting device 6 specifically comprises an inclined plate 61, a telescopic rod 62, a goniometer 63 and a lower baffle plate 64, the lower part of the lower baffle plate 64 is connected with the push rod device 7, the push rod device 7 pushes the lower baffle plate 64 to horizontally move along a groove on the transparent side plate 12, the end parts of the inclined plate 61 and the lower baffle plate 64 are hinged and connected, two ends of the telescopic rod 62 are hinged with the inclined plate 61 and the lower baffle plate 64 respectively, and the telescopic rod 62 can adjust the angle between the inclined plate 61 and the lower baffle plate 64 in a telescopic mode. The goniometer 63 is provided at the hinge of the lower baffle plate 64 and the inclined plate 61, and serves to secure an angle between the inclined plate 61 and the lower baffle plate 64, and when the angle satisfies a design angle, fix the telescopic bar so as to maintain the set angle. The hinged position of the inclined plate 61 is provided with a drawing telescopic plate, so that the inclined plate 61 can reversely extend 3-5cm above the lower baffle and is inserted into the experimental body 13 in advance, and the accuracy of the crack initiation position is further ensured.
The hydraulic lifting device 5 comprises a sliding block 51, a hydraulic cylinder 52, pulleys 53, locking screws 54 and a sliding baffle 55, wherein wheel grooves are formed in the lower surface of the sliding baffle 55, the pulleys 53 slide along the wheel grooves, the pulleys 53 are fixed at two ends of a pressure head of the hydraulic cylinder, dovetail grooves in the sliding block 51 are matched with sliding rails in the base 1, the locking screws 54 are arranged on the sliding block 51, and the hydraulic cylinder 52 is fixed above the sliding block 51. When the sliding baffle plate is used, the sliding baffle plate 55 can be replaced according to the position of a fault starting point, the positions of the hydraulic cylinder 52 and the slide block 51 can be determined according to the length of the sliding baffle plate 55, and the hydraulic cylinder 52 is generally placed in the middle of the sliding baffle plate 55. When the slide shutter 55 is long, 2 hydraulic cylinders 52 may be provided, and the two hydraulic cylinders are respectively provided on both sides of the slide shutter 55 and fixed by locking screws 54.
The upper angle adjusting device 9 specifically comprises a pressurizing plate 91, an inclined push plate 92, an upper baffle plate 93, an angle adjusting push rod 94 and a telescopic push rod 95, the end part of the pressurizing plate 91 is provided with a ribbed plate, the end part of the ribbed plate is provided with a pulley, the pulley is pressed on the inclined push plate 92, the upper loading device 8 is loaded and pressurized on the inclined push plate 92 through the pulley, and meanwhile, the upper pressurizing plate 91 and the upper baffle plate 93 generate relative motion after the fault cracking deformation, so that the stable pressurizing motion transition can be ensured. The angle adjusting push rod 94 is arranged between the upper baffle 93 and the inclined push plate 92, specifically, a screw rod structure is arranged, and the telescopic length of the angle adjusting push rod 94 is controlled by adjusting the screw rod, so that the inclination angle of the inclined push plate 92 is changed. One end of the telescopic push rod 95 is fixed on the baffle plate, and the other end is connected with the upper baffle plate 93. The angle meter 63 is arranged at the joint of the upper baffle plate 93 and the inclined push plate 92 and used for ensuring the angle between the upper baffle plate 93 and the inclined push plate 92, so that the accuracy of setting the fault inclination angle of the test body is ensured.
The positioning device 10 specifically includes a laser and a positioner, the laser is disposed on the inclined plate and parallel to the inclined plate, and the positioner is disposed on the inclined push plate and parallel to the inclined push plate. In use, the laser is turned on, and when the laser hits the center of the positioner, it indicates that the inclined plate and the inclined push plate are in the same plane. And the positions of the laser and the positioner can be interchanged, so that the laser positioning device is convenient to install and use and accurate in positioning.
The angle adjusting push rod 94 and the telescopic push rod 95 may use a lead screw adjusting mechanism; the telescopic rod 62 in the lower angle adjusting device can use a hydraulic telescopic cylinder; the push rod device 7 can also use a hydraulic telescopic cylinder, and the end part of the hydraulic telescopic cylinder is fixedly connected with the lower baffle plate. In addition, the front baffle 11 and the transparent side plate 12 are made of transparent materials, so that the fault formation process can be observed conveniently, and the inclined plate 61 and the inclined push plate 92 are made of polytetrafluoroethylene materials.
The device uses the combination of the inclined plate and the lower baffle plate to form an inclination angle, thereby ensuring that the fault is cracked at a crack initiation point along the set inclination angle; the inclined plate is provided with a drawing telescopic plate at the hinged position, so that the inclined plate can be reversely stretched, and the accuracy of a crack initiation point of a fault is further ensured; the hydraulic lifting device is provided with a sliding block and a pulley, so that the hydraulic lifting device is convenient to move, and the hydraulic lifting device is fixed by arranging a locking screw; the upper angle adjusting device is pressurized along the inclined push plate through a pulley on the rib plate, so that cracks are formed at the joint of the inclined push plate and the pressurizing plate; the laser and the positioner of the positioning device ensure that the inclined plate and the inclined push plate are in the same plane, namely the plane of the normal fault.
In order to further explain the structure and the function of the device, a use method of the positive fault simulation test device with adjustable angle and crack initiation position is disclosed, and the method is concretely as follows.
According to the positive fault simulation test device with the adjustable angle and the adjustable crack initiation position, the use steps comprise:
A. the push rod device pushes the end part of the lower baffle to move to a crack initiation position, the hydraulic lifting device is used for adjusting the position and the height of the hydraulic cylinder to lift the sliding baffle to be flush with and contact with the lower baffle, and the contact point is the lower crack initiation point of the normal fault.
B. The angle between the inclined plate and the lower baffle plate is adjusted to complement the fault inclination angle, the included angle is determined through the angle meter, and the length of the telescopic rod is fixed to ensure that the angle is fixed.
C. The baffle at the two ends of the test device is fixed, the transparent side plate on the rear side surface of the experimental body is fixed simultaneously, the experimental body and the front baffle are laid layer by layer, and the transparent side plate and the front baffle are fixed through bolts.
D. And an angle adjusting device is installed, an included angle between the inclined push plate and the upper baffle plate is equal to a fault dip angle by adjusting an angle adjusting push rod, and the size of the included angle is determined by a goniometer.
E. And opening a laser of the positioning device, determining the position of the upper baffle plate by adjusting the extension and retraction of the telescopic push rod, wherein the contact position of the upper baffle plate and the pressurizing plate is the upper cracking point of the normal layer, and adjusting the upper baffle plate and the pressurizing plate until the inclined plate and the inclined push plate are in the same plane.
F. And adjusting the positions of the upper loading device and the hydraulic lifting device, loading through the upper loading device, and simulating and determining the angle and the formation of a normal fault at the fracture initiation position.
The method can realize the control of the simulated fault dip angle, realize the flexible control of the fault dip angle, reduce the test cost and simplify the test operation steps; the hydraulic lifting device ensures that deformation of similar materials is controlled after the fault structure is formed.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (8)
1. A normal fault simulation test device with adjustable angle and crack initiation position is characterized by comprising a base, an upright post, a top beam, a baffle, a hydraulic lifting device, a lower angle adjusting device, a push rod device, an upper loading device, an upper angle adjusting device, a positioning device, a front baffle and a transparent side plate;
the experimental device comprises a base, upright columns, baffles, a top beam, an experimental body and a base, wherein the upright columns are arranged at two ends of the base; one end of the push rod device is fixed on the upright post;
the hydraulic lifting device and the angle adjusting mechanism are arranged below the experimental body; the upper loading device and the upper angle adjusting device are arranged above the experimental body; positioning devices are arranged on the upper angle adjusting device and the lower angle adjusting device;
the transparent side plate is fixedly arranged on the rear side face of the experimental body, and the strip-shaped front baffles are arranged on the front side face of the experimental body.
2. The device for simulating the positive fault with the adjustable angle and the adjustable crack initiation position according to claim 1, wherein the lower angle adjusting device comprises an inclined plate, a telescopic rod, a goniometer and a lower baffle, the lower part of the lower baffle is connected with the push rod device, the end parts of the inclined plate and the lower baffle are hinged, and two ends of the telescopic rod are respectively hinged with the inclined plate and the lower baffle.
3. The positive fault simulation test device with the adjustable angle and the adjustable crack initiation position according to claim 2, wherein the angle meter is arranged at the hinge joint of the lower baffle and the inclined plate, and the pull expansion plate is arranged at the hinge joint of the inclined plate.
4. The positive fault simulation test device with the adjustable angle and the adjustable crack initiation position according to claim 1, wherein the hydraulic lifting device comprises a sliding block, a hydraulic cylinder, a pulley, a locking screw and a sliding baffle, a wheel groove is formed in the lower surface of the sliding baffle, the pulley slides along the wheel groove, the pulley is fixed at two ends of a pressure head of the hydraulic cylinder, a dovetail groove in the sliding block is matched with a sliding rail in the base, the locking screw is arranged on the sliding block, and the hydraulic cylinder is fixed above the sliding block.
5. The normal fault simulation test device with the adjustable angle and the adjustable crack initiation position according to claim 2, wherein the upper angle adjusting device comprises a pressurizing plate, an inclined push plate, an upper baffle plate, an angle adjusting push rod and a telescopic push rod, a rib plate is arranged at the end part of the pressurizing plate, a pulley is arranged at the end part of the rib plate, the pulley presses on the inclined push plate, the angle adjusting push rod is arranged between the upper baffle plate and the inclined push plate, the inclination angle of the inclined push plate is adjusted, and one end of the telescopic push rod is fixed on the baffle plate, and the other end of the telescopic push rod is connected with the upper.
6. The positive fault simulation test device with the adjustable angle and the adjustable fracture initiation position according to claim 5, wherein the angle adjusting push rod and the telescopic push rod use a lead screw adjusting mechanism; the telescopic rod uses a hydraulic telescopic cylinder; the push rod device uses a hydraulic telescopic cylinder, and the end part of the hydraulic telescopic cylinder is fixedly connected with the lower baffle plate; and a goniometer is arranged at the hinged position of the inclined push plate and the upper baffle.
7. The device for simulating and testing the normal fault with adjustable angle and crack initiation position as claimed in claim 1, wherein the positioning device comprises a laser and a positioner, the laser is arranged on the inclined plate and is parallel to the inclined plate, and the positioner is arranged on the inclined push plate and is parallel to the inclined push plate.
8. The positive fault simulation test device with the adjustable angle and the adjustable crack initiation position according to claim 1, wherein the front baffle and the transparent side plate are made of transparent materials, and the inclined plate and the inclined push plate are made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468458.8U CN210071502U (en) | 2019-04-08 | 2019-04-08 | Positive fault simulation test device with adjustable angle and crack initiation position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468458.8U CN210071502U (en) | 2019-04-08 | 2019-04-08 | Positive fault simulation test device with adjustable angle and crack initiation position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210071502U true CN210071502U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920468458.8U Expired - Fee Related CN210071502U (en) | 2019-04-08 | 2019-04-08 | Positive fault simulation test device with adjustable angle and crack initiation position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210071502U (en) |
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2019
- 2019-04-08 CN CN201920468458.8U patent/CN210071502U/en not_active Expired - Fee Related
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Granted publication date: 20200214 Termination date: 20210408 |