CN107976530B - Device for simulating sliding of wedge-shaped body of rock mass - Google Patents
Device for simulating sliding of wedge-shaped body of rock mass Download PDFInfo
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- CN107976530B CN107976530B CN201810023476.5A CN201810023476A CN107976530B CN 107976530 B CN107976530 B CN 107976530B CN 201810023476 A CN201810023476 A CN 201810023476A CN 107976530 B CN107976530 B CN 107976530B
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Abstract
The invention discloses a device for simulating sliding of a rock wedge, which comprises a base, a lifting device, a simulated sliding surface device, a simulated rainfall device, a stacker, a collecting disc and a transverse pressurizing device, wherein the lifting device comprises a threaded steel pipe, a lantern ring, a supporting rod, a rotating screw, a nut, a first stand and a roller track groove, the simulated sliding surface device comprises a second stand, a supporting plate, a large nut baffle and a sliding surface plate, the simulated rainfall device comprises a fixed support, an upper iron pipe, a lower iron pipe, a water tank, an adjusting wheel, a water baffle and a water quantity display pipe, the stacker comprises a steel screw and a weight, the collecting disc is arranged on the left side of the base, and the transverse pressurizing device comprises a base, an inserting rod, a pressure gauge and a pressurizing rod. The device has reasonable structural design, can simulate the double sliding surfaces of the rock wedge and the inclination angle of the rock wedge, can conveniently simulate the three-dimensional form of the wedge, and has the characteristics of convenient operation and simple adjustment.
Description
Technical Field
The invention relates to the technical field of rock mass sliding simulation devices, in particular to a device for simulating rock mass wedge sliding.
Background
With the rapid growth and vigorous development of the economy in China, the project of each engineering construction is continuously increased, and the problem of geological disasters is increasingly prominent, wherein the problem of stability of the rock slope is a core problem concerned by geological staff. The stability of the side slope not only affects whether the engineering can be carried out smoothly, but also causes huge life and property loss due to the damage result.
The phenomenon of sliding of a wedge of a rock mass is often the phenomenon of sliding of a wedge cut by a structural face along a sliding face formed by intersecting and cutting two groups of structural faces. In the destabilization failure mode of the rock slope, rock wedge sliding is the most common form of rock slope destabilization, and research on such slope destabilization failure is now mostly stayed on theoretical calculation, and necessary test devices are lacking. The invention provides a test device for simulating sliding of a wedge-shaped body of a rock mass, which simulates the three-dimensional form of the rock mass and researches the balance state of the engineering rock mass under the influence of the change of engineering geological conditions. The device is simple in manufacture, convenient to operate, detachable and portable, and capable of being brought into site to take engineering rock mass for testing. Is economical and practical and has low cost.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a device for simulating the sliding of a wedge-shaped body of a rock mass, which can realize rapid separation in a low-cost manner and ensure the separation quality well.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
a device for simulating the sliding of a wedge-shaped body of a rock mass comprises a base, a lifting device, a device for simulating a sliding surface, a device for simulating rainfall, a stacker, a collecting disc and a transverse pressurizing device;
the lifting device comprises threaded steel pipes, a lantern ring, support rods, rotating screws, nuts, a first stand and roller track grooves, wherein the threaded steel pipes are symmetrically arranged on the left side and the right side of the top of the base, the two groups of threaded steel pipes are respectively connected with the nuts in a screwed mode, the lantern rings are sleeved on the outer walls of the threaded steel pipes, the lantern rings are located above the nuts, the support rods are hinged to one sides, close to the center of the base, of the lantern rings, of the two groups of support rods, the rotating screws are respectively connected to the left side of one end, far from the lantern ring, of the support rods in a screwed mode, the first stand is arranged between the two groups of support rods, the support rods are connected with the first stand through hinges, and the roller track grooves are formed in the top of the first stand;
the simulation sliding surface device comprises a second stand, a supporting plate, a large-size nut baffle and a sliding surface plate, wherein the second stand is connected with a roller track groove through rollers, the supporting plates are symmetrically arranged on the left side and the right side of the top of the second stand, the sliding surface plate is arranged on one side, close to the center of the second stand, of the supporting plate, the large-size nut baffle is arranged on one side, close to the center of the second stand, of the supporting plate, and the large-size nut baffle is connected with the second stand through bolts;
the rainfall simulation device comprises a fixed support, an upper iron pipe, a lower iron pipe, a water tank, an adjusting wheel, a water baffle and a water quantity display pipe, wherein the fixed support is arranged on the right side of the top of the base;
the stacker comprises a steel screw and a weight, wherein the top of the weight is screwed with the steel screw, and the steel screw penetrates through the weight;
a collecting tray is arranged on the left side of the base;
the transverse pressurizing device comprises a base, an inserting rod, a pressure gauge and a pressurizing rod, wherein the base is symmetrically arranged on the left side and the right side of the top of the base, the left side base is positioned on the left side of a left side threaded steel pipe, the right side of the base is positioned on the right side of a right side threaded steel pipe, the base is connected with the base through screws, the pressurizing rod is connected to the base in a threaded mode, the inserting rod is inserted into the outer wall of one end, far away from the center of the base, of the pressurizing rod, and the pressure gauge is inserted into the outer wall of one end, close to the center of the base, of the pressurizing rod.
Preferably, in the device for simulating sliding of the rock mass wedge, a groove is formed in the upper surface of the sliding surface plate, and an inner cavity of the groove is provided with an inner thread.
Preferably, in the device for simulating sliding of the rock mass wedge, the grooves are arranged in a rectangular array shape.
Preferably, in the device for simulating sliding of the rock mass wedge, the supporting plate is a groove plate, and the supporting plate and the sliding panel are provided with matched threaded holes.
Preferably, in the device for simulating the sliding of the wedge-shaped body of the rock mass, the outer wall of the pressure gauge is wrapped with a rubber sleeve, and the thickness of the rubber sleeve is 0.5-1cm.
Preferably, in the device for simulating sliding of the rock mass wedge, a connecting protrusion is arranged at the right end of the collecting disc, and a connecting groove matched with the connecting protrusion is arranged at the left side of the base.
Preferably, in the device for simulating sliding of the rock mass wedge, iron gaskets are arranged at the contact ends of the upper iron pipe and the lower iron pipe with the water tank, and plastic water pipes are arranged inside the upper iron pipe and the lower iron pipe.
Preferably, in the device for simulating sliding of the wedge-shaped rock mass, the bottom of the water tank is provided with the drain holes, and the drain holes are arranged in an array.
The beneficial effects of the invention are as follows:
the device for simulating the sliding of the rock wedge body has reasonable structural design, 1. The device can simulate the double sliding surfaces of the rock wedge body and the inclination angle of the double sliding surfaces, can conveniently simulate the three-dimensional form of the wedge body, and has the characteristics of convenient operation and simple adjustment;
2. the device can simulate various engineering geological conditions, simulate horizontal ground stress by extruding a rock mass of a test piece, simulate stacking by adding weight on the test piece, and simulate different conditions such as rainfall, roughness on a sliding surface, shear strength, undulating topography and the like;
3. the device is easy to use and portable, can be disassembled and assembled, does not need electric drive, can be used for indoor test and also can be used for sampling in engineering sites, can be used for manufacturing test pieces, and is simple and convenient to test directly;
4. the device has low cost, convenient manufacture, easy maintenance and low limitation by practical conditions.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a simulated rock mass wedge slide of the present invention;
FIG. 2 is a top view of a simulated rock wedge sliding device of the present invention without the addition of a rain device;
FIG. 3 is a side view of a simulated rock mass wedge slide of the present invention;
FIG. 4 is a side view of a loading device for loading a test piece according to the present invention;
FIG. 5 is a top view of the bottom surface of the water tank of the present invention;
in the above figures: 1-base, 2-threaded steel pipe, 3-rubber pad, 4-first mount, 5-roller track groove, 6-plunger, 7-base, 8-pressurizing rod, 9-screw, 10-slide panel, 11-groove, 12-support plate, 13-drain hole, 14-large nut baffle, 15-second mount, 16-support rod, 17-collar, 18-nut, 19-rotating screw, 20-rubber pad, 21-manometer, 22-water tank, 23-regulating wheel, 24-water baffle, 25-fixed bracket, 26-water volume display tube, 27-upper iron tube, 28-lower iron tube, 29-iron gasket, 30-steel screw, 31-weight, 32-collecting tray, 33-connecting protrusion, 34-connecting groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present embodiment is a device for simulating sliding of a wedge of a rock mass, which includes a base 1, a lifting device, a device for simulating sliding surface, a rainfall simulation device, a stacker, a collecting tray and a transverse pressurizing device; the lifting device comprises threaded steel pipes 2, lantern rings 17, supporting rods 16, rotating screws 19, nuts 18, a first stand 4 and roller track grooves 5, wherein the threaded steel pipes 2 are symmetrically arranged on the left side and the right side of the top of the base 1, the outer walls of the two groups of threaded steel pipes 2 are respectively connected with the nuts 18 in a screwed mode, the lantern rings 17 are sleeved on the outer walls of the two groups of threaded steel pipes 2, the lantern rings 17 are positioned above the nuts 18, the supporting rods 16 are hinged to one sides, close to the center of the base 1, of the two groups of lantern rings 17, the rotating screws 19 are respectively connected to the left side of one ends, far away from the lantern rings 17, of the two groups of supporting rods 16 in a screwed mode, of the two groups of supporting rods 16, the first stand 4 is arranged between the two groups of supporting rods 16, the supporting rods 16 are connected with the first stand 4 through hinges, and the roller track grooves 5 are arranged on the top of the first stand 4; the simulated sliding surface device comprises a second stand 15, a support plate 12, a large-size nut baffle 14 and a sliding surface plate 10, wherein the second stand 15 is connected with a roller track groove 5 through rollers, the support plate 12 is symmetrically arranged at the left side and the right side of the top of the second stand 15, the sliding surface plate 10 is arranged at one side, close to the center of the second stand 15, of the support plate 12, the large-size nut baffle 14 is arranged at one side, close to the center of the second stand 15, of the support plate 12, and the large-size nut baffle 14 is connected with the second stand 15 through bolts; the rainfall simulation device comprises a fixed bracket 25, an upper iron pipe 27, a lower iron pipe 28, a water tank 22, an adjusting wheel 23, a water baffle 24 and a water quantity display pipe 26, wherein the right side of the top of the base 1 is provided with the fixed bracket 25, the left side wall of the fixed bracket 25 is provided with the upper iron pipe 27 and the lower iron pipe 28, the upper iron pipe 27 is positioned above the lower iron pipe 28, the left sides of the upper iron pipe 27 and the lower iron pipe 28 are provided with the water tank 22, the bottom of the water tank 22 is provided with the water baffle 24, the top of the water baffle 24 is connected with the adjusting wheel 23 through rack connection and meshing, the adjusting wheel 23 is positioned on the front side of the water tank 22, and the surface of the water tank 22 is communicated with the water quantity display pipe 26; the stacker comprises a steel screw 30 and a weight 31, wherein the steel screw 30 is screwed at the top of the weight 31, and the steel screw 30 penetrates through the weight 31; the left side of the base 1 is provided with a collecting tray 32; the transverse pressurizing device comprises a base 7, an inserting rod 6, a pressure gauge 21 and a pressurizing rod 8, wherein the base 7 is symmetrically arranged on the left side and the right side of the top of the base 1, the left base 7 is positioned on the left side of the left threaded steel pipe 2, the right base 7 is positioned on the right side of the right threaded steel pipe 2, the base 1 is connected with the base 1 through a screw 9, the pressurizing rod 8 is screwed on the base 1, the inserting rod 6 is inserted into the outer wall of one end of the pressurizing rod 8, which is far away from the center of the base, and the pressure gauge 21 is inserted into the outer wall of one end of the pressurizing rod 8, which is close to the center of the base 1.
The upper surface of slide plate 10 is provided with recess 11, and the inner chamber of recess 11 is provided with the internal thread, recess 11 is rectangular array form and arranges, be convenient for add the rubber pad on slide plate 10 like this, be used for simulating coefficient of friction, backup pad 12 is the recess board, and set up matched with screw hole on backup pad 12 and the slide plate 10, can insert the screw wherein make face 10 and a baffle 12 fix, the outer wall parcel of manometer 21 has the rubber sleeve, and the thickness of rubber sleeve is 0.5-1cm, the rubber sleeve can protect manometer 21, the right-hand member of collecting tray 32 is provided with connecting protrusion 33, the connecting groove 34 with connecting protrusion 33 matched with is seted up in the left side of base 1, upper portion iron pipe 27 and lower part iron pipe 28 are provided with iron gasket 29 with the contact end of water tank 22, and the inside of upper portion iron pipe 27 and lower part iron pipe 28 is provided with the plastics water pipe, the plastics water pipe is used for advancing the water, the apopore 13 has been seted up to the bottom of water tank 22, and the apopore 13 is array form.
One specific application of this embodiment is: firstly, two sliding panels 10 are adjusted to the opening and closing angles of the structural surfaces at two sides of an actual rock mass wedge body, then the sliding panels 10 are fixed through bolts screwed on a supporting plate 12, engineering rock mass is manufactured into wedge-shaped test blocks, the wedge-shaped test blocks are placed in a sliding device, the height of the whole simulated sliding surface device is adjusted through an adjusting nut 18, the nut 18 rotates on the outer wall of a threaded steel pipe 2 to push a sliding sleeve 17 to move, then a supporting rod 16 is driven to rotate around one end of the sliding sleeve 17, a first stand 4 rotates around a rotating bolt 19 to further achieve the effect of adjusting the height of the first stand 4, after the spatial form of the rock mass wedge body is simulated, engineering geological conditions are increased, the horizontal ground stress of a researched area is simulated through adjusting a transverse pressurizing device, the inserted rod 6 is inserted on a pressurizing rod 8, the pressurizing rod 8 is rotated in an inner cavity of a base 7, the pressurizing rod 8 is rotated to enable the pressurizing rod 8 to move towards one side of the supporting plate 12, the horizontal ground stress of the researched area can be simulated, a meter 21 on the transverse pressurizing device can be driven to rotate around one end of the sliding sleeve 17, a water inlet block 21 can be displayed by the sliding wheel 23, the water inlet groove 23 can be driven to rotate on the water tank 23, the water tank can be further adjusted to be connected to the water tank 23 through the water tank 23, the water tank can be adjusted by the water tank surface of the water tank, the water tank can be adjusted by the water tank is adjusted, and the water tank is adjusted to be adjusted by the water tank surface of the water tank is cooled, and the water tank is cooled by the water tank is cooled, the rock weight or ground stacking is simulated by increasing or decreasing the number of weights 31 fixed to the test block.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. A device for simulating sliding of a rock mass wedge, characterized in that: comprises a base, a lifting device, a sliding surface simulation device, a rainfall simulation device, a stacker, a collecting tray and a transverse pressurizing device;
the lifting device comprises threaded steel pipes, a lantern ring, support rods, rotating screws, nuts, a first stand and roller track grooves, wherein the threaded steel pipes are symmetrically arranged on the left side and the right side of the top of the base, the two groups of threaded steel pipes are respectively connected with the nuts in a screwed mode, the lantern rings are sleeved on the outer walls of the threaded steel pipes, the lantern rings are located above the nuts, the support rods are hinged to one sides, close to the center of the base, of the lantern rings, of the two groups of support rods, the rotating screws are respectively connected to the left side of one end, far from the lantern ring, of the support rods in a screwed mode, the first stand is arranged between the two groups of support rods, the support rods are connected with the first stand through hinges, and the roller track grooves are formed in the top of the first stand;
the simulation sliding surface device comprises a second stand, a supporting plate, a large-size nut baffle and a sliding surface plate, wherein the second stand is connected with a roller track groove through rollers, the supporting plates are symmetrically arranged on the left side and the right side of the top of the second stand, the sliding surface plate is arranged on one side, close to the center of the second stand, of the supporting plate, the large-size nut baffle is arranged on one side, close to the center of the second stand, of the supporting plate, and the large-size nut baffle is connected with the second stand through bolts;
the rainfall simulation device comprises a fixed support, an upper iron pipe, a lower iron pipe, a water tank, an adjusting wheel, a water baffle and a water quantity display pipe, wherein the fixed support is arranged on the right side of the top of the base;
the stacker comprises a steel screw and a weight, wherein the top of the weight is screwed with the steel screw, and the steel screw penetrates through the weight;
a collecting tray is arranged on the left side of the base;
the transverse pressurizing device comprises a base, an inserting rod, a pressure gauge and a pressurizing rod, wherein the base is symmetrically arranged on the left side and the right side of the top of the base, the left side base is positioned on the left side of a left side threaded steel pipe, the right side of the base is positioned on the right side of a right side threaded steel pipe, the base is connected with the base through screws, the pressurizing rod is connected to the base in a threaded mode, the inserting rod is inserted into the outer wall of one end, far away from the center of the base, of the pressurizing rod, and the pressure gauge is inserted into the outer wall of one end, close to the center of the base, of the pressurizing rod.
2. The device for simulating sliding of a wedge of rock mass of claim 1, wherein: the upper surface of the sliding panel is provided with a groove, and the inner cavity of the groove is provided with an internal thread matched with the steel screw.
3. The device for simulating sliding of a rock mass wedge of claim 2, wherein: the grooves are arranged in a rectangular array shape.
4. The device for simulating sliding of a wedge of rock mass of claim 1, wherein: the backup pad is the recess board, and has seted up matched with screw hole on backup pad and the slip panel.
5. The device for simulating sliding of a wedge of rock mass of claim 1, wherein: the outer wall of the pressure gauge is wrapped with a rubber sleeve, and the thickness of the rubber sleeve is 0.5-1cm.
6. The device for simulating sliding of a wedge of rock mass of claim 1, wherein: the right-hand member of collecting tray is provided with the connection arch, the left side of base is seted up with connection protruding matched with connection recess.
7. The device for simulating sliding of a wedge of rock mass of claim 1, wherein: the contact ends of the upper iron pipe and the lower iron pipe with the water tank are provided with iron gaskets, and plastic water pipes are arranged in the upper iron pipe and the lower iron pipe.
8. The device for simulating sliding of a wedge of rock mass of claim 1, wherein: the bottom of the water tank is provided with drain holes which are arranged in an array.
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| CN201810023476.5A CN107976530B (en) | 2018-01-10 | 2018-01-10 | Device for simulating sliding of wedge-shaped body of rock mass |
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| CN201810023476.5A CN107976530B (en) | 2018-01-10 | 2018-01-10 | Device for simulating sliding of wedge-shaped body of rock mass |
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| CN107976530B true CN107976530B (en) | 2023-10-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108956939B (en) * | 2018-05-25 | 2020-09-15 | 重庆交通大学 | Structural surface control side slope wedge-shaped block instability sliding physical model test platform and use method thereof |
| CN109192052A (en) * | 2018-11-08 | 2019-01-11 | 南京大学 | Dynamic construction Landform Evolution physical simulation experiment device and experimental method |
| CN115753473B (en) * | 2022-11-24 | 2023-05-12 | 西北民族大学 | Friction and wear test device based on lathe |
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