Model test device for measuring stability safety coefficient of rock slope

Abstract

The utility model belongs to the technical field of rock-soil mechanical analysis, and particularly relates to a model test device for measuring the stability safety coefficient of a rock slope, which comprises a test mechanism, a driving mechanism and a rock slope model, the test mechanism comprises a box body, an opening, an insertion plate and a bump, the opening is arranged on the right side of the box body, the insertion plate is inserted into the top of the opening, and the bump is arranged on the right side of the box body. A bump is arranged on the left side of the bottom of the plugboard; the driving mechanism is arranged on the left side of the box body; the rock slope model is arranged in the box body, the movable end of the driving mechanism drives the rock slope model to incline in the box body, the moving state of the rock slope is simulated, the box body does not move in the testing process, the box body is prevented from toppling due to moving, and therefore potential safety hazards in the testing process are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rock mechanics analysis, specifically to a model test device for measuring the stability safety factor of rock slope. BACKGROUND

[0002] The stability and safety factor calculation and analysis method of rock slope is an important scientific problem in the field of geotechnical engineering. In China, with the development of national economy, especially the infrastructure construction of water conservancy project, railway, highway and mine engineering is flourishing, and a large number of rock slope engineering appears in these projects, especially the high and steep rock slope in water conservancy project. Such slope is usually high and steep, with complex geological conditions and harsh environmental factors. Not only there is strong unloading effect, but also reservoir storage, precipitation and excavation and other multi-factor combined action lead to rock slope accident, which brings serious loss to people's life and property, and the indirect loss caused by the delay of construction period is immeasurable.

[0003] In order to realize the research on the stability of rock slope, the model test is usually used for analysis. The existing model test device is used to place the model in the frame, and the frame is inclined by using the jack to support one side of the frame. However, the movable frame has poor stability and is easy to fall, which has safety hazard. Therefore, the model test device for measuring the stability safety factor of rock slope is provided. CONTENT OF THE UTILITY MODEL

[0004] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or the problems existing in the prior art of measuring the stability safety factor of rock slope, the utility model is provided.

[0006] Therefore, the purpose of the utility model is to provide a model test device for measuring the stability safety factor of rock slope, which can simulate the activity state of rock slope by driving the rock slope model to incline in the box through the movable end of the driving mechanism. During the test, the box will not move, which can avoid the falling of the box and reduce the safety hazard in the experiment.

[0007] In order to solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0008] A model test device for measuring the stability safety factor of rock slope comprises:

[0009] The test mechanism comprises a box, an opening, an inserting plate and a protruding block, the opening is arranged at the right side of the box, the inserting plate is inserted at the top of the opening, and the protruding block is arranged at the bottom left side of the inserting plate;

[0010] The driving mechanism is arranged at the left side of the box.

[0011] The rock slope model is arranged inside the box.

[0012] As one preferred scheme of the model test device for determining the stability safety factor of the rock slope, the driving mechanism comprises a driving component and a lifting seat, the output end of the driving component is located inside the box, and the lifting seat is arranged at the output end of the driving component.

[0013] As one preferred scheme of the model test device for determining the stability safety factor of the rock slope, an arc surface connected with the lifting seat is arranged at the bottom left side of the rock slope model.

[0014] As one preferred scheme of the model test device for determining the stability safety factor of the rock slope, the driving component adopts a lead screw motor, and the lifting seat is screwed on the output lead screw of the lead screw motor.

[0015] As one preferred scheme of the model test device for determining the stability safety factor of the rock slope, the output end of the driving component is provided with a connecting sleeve, and the outer wall of the connecting sleeve is provided with an elastic sheet.

[0016] As one preferred scheme of the model test device for determining the stability safety factor of the rock slope, the box is provided with supporting legs at both sides of the bottom, and the supporting legs are provided with anti-skid pads at the bottom.

[0017] As one preferred scheme of the model test device for determining the stability safety factor of the rock slope, the box adopts a transparent explosion-proof box.

[0018] Compared with the prior art, the movable end of the driving mechanism and the rock slope model are arranged inside the box, the movable end of the driving mechanism drives the rock slope model to tilt inside the box, the activity state of the rock slope is simulated, the box does not generate activity during the test, the activity of the box is avoided to be tilted, and the safety hidden danger in the experimental process is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the technical scheme of the embodiments of the present application more clear, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings. Among them:

[0020] Fig. 1 It is an external structure schematic diagram of the present application.

[0021] Fig. 2 It is an internal structure schematic diagram of the present application.

[0022] Fig. 3 It is a driving mechanism connection structure schematic diagram of the present application.

[0023] In the figure: 100 test mechanism, 110 box, 120 opening, 130 plugboard, 140 protruding block, 150 supporting leg, 200 driving mechanism, 210 driving part, 220 lifting seat, 230 connecting sleeve, 240 elastic sheet, 300 rock slope model, 310 camber. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0026] Secondly, the present application is described in detail in combination with the schematic diagram, when the embodiments of the present application are described in detail, in order to facilitate the description, the sectional view of the device structure will be partially enlarged without general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application here. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0027] In order to make the purposes, technical schemes and advantages of the present application more clear, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0028] The utility model provides a model test device of determination rock quality side slope stability safety coefficient, by the movable end of driving mechanism drives rock quality side slope model to incline in the inside box, simulates rock quality side slope activity state, when testing, the box does not produce activity, avoids the box activity to fall down, thereby reduces the security hidden danger in the experimental process, please refer to Figs. 1-3 , include: test mechanism 100, driving mechanism 200 and rock quality side slope model 300.

[0029] Test mechanism 100 includes box 110, opening 120, plugboard 130 and lug 140, box 110 right side sets up opening 120, opening 120 top inserts plugboard 130, and plugboard 130 bottom left side sets up lug 140;

[0030] Among them, the box 110 adopts the transparent explosion -proof box, can observe the inside test state through the box 110, the plugboard 130 is extracted in the box 110, realizes the opening of opening 120 and close, the lug 140 provides the limit, avoids the plugboard 130 to fall off, simultaneously, after the plugboard 130 is inserted, the lug 140 provides support, the lug 140 is contacted with rock quality side slope model 300, provides the support turning point of point.

[0031] Driving mechanism 200 is set up in the left side of box 110, specifically, driving mechanism 200 includes driving part 210 and lifting seat 220, and the output end of driving part 210 is located in the inside of box 110, and lifting seat 220 is set up at the output end of driving part 210, wherein, driving part 210 adopts the screw rod motor, and lifting seat 220 is screwed on the output screw rod of screw rod motor, and driving part 210 drives lifting seat 220 to carry out lifting activity.

[0032] Rock quality side slope model 300 is set up in the inside of box 110, specifically, the left side bottom of rock quality side slope model 300 is provided with the cambered surface 310 connected with lifting seat 220, lifting seat 220 is lifted, drives rock quality side slope model 300 to overturn and incline, and simulation test is carried out.

[0033] When rock quality side slope is influenced by earthquake, landslide is prone to occur, in order to simulate the vibration state, the output end of driving part 210 is provided with connecting sleeve 230, the outer wall of connecting sleeve 230 is provided with elastic sheet 240, driving part 210 works, synchronously drives elastic sheet 240 to rotate, and the rotating elastic sheet 240 constantly knocks rock quality side slope model 300, and the vibration environment is simulated.

[0034] Because the equipment needs to be supported, therefore, the both sides of the bottom of box 110 are provided with supporting leg 150, and the bottom of supporting leg 150 is provided with antiskid pad, and the box 110 is stably supported.

[0035] In a specific use, the rock slope model 300 is arranged in the box 110, the plug-in plate 130 is closed, the protruding block 140 provides support, the protruding block 140 is in contact with the rock slope model 300, a turning support inflection point is provided, the driving component 210 drives the lifting seat 220 to rise, the lifting seat 220 drives the rock slope model 300 to turn and tilt, a simulation test is carried out, after the test, the plug-in plate 130 is pulled up, at this time, the right end limit of the rock slope model 300 disappears, and the turned rock slope model 300 slides out of the opening 120 to the right.

[0036] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent components can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined with each other in any way, and the combinations are not exhaustively described in the specification only for the purpose of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A model test device for determining the stability safety factor of rock slopes, characterized in that, include: The test mechanism (100) includes a box (110), an opening (120), a plug plate (130) and a protrusion (140). The opening (120) is provided on the right side of the box (110), the plug plate (130) is inserted into the top of the opening (120), and the protrusion (140) is provided on the bottom left side of the plug plate (130). A drive mechanism (200) is located on the left side of the housing (110); A rock slope model (300) is set inside the box (110).

2. The model test device for determining the stability safety factor of rock slopes according to claim 1, characterized in that, The drive mechanism (200) includes a drive component (210) and a lifting seat (220). The output end of the drive component (210) is located inside the housing (110), and the lifting seat (220) is provided at the output end of the drive component (210).

3. The model test device for determining the stability safety factor of a rock slope according to claim 2, characterized in that, The bottom left side of the rock slope model (300) is provided with an arc surface (310) that is connected to the lifting seat (220).

4. The model test device for determining the stability safety factor of rock slopes according to claim 3, characterized in that, The drive component (210) is a lead screw motor, and the lifting seat (220) is screwed onto the output lead screw of the lead screw motor.

5. The model test device for determining the stability safety factor of a rock slope according to claim 4, characterized in that, The output end of the drive component (210) is provided with a connecting sleeve (230), and the outer wall of the connecting sleeve (230) is provided with an elastic sheet (240).

6. The model test device for determining the stability safety factor of a rock slope according to claim 5, characterized in that, Both sides of the bottom of the box (110) are provided with support legs (150), and the bottom of the support legs (150) is provided with anti-slip pads.

7. The model test device for determining the stability safety factor of a rock slope according to claim 6, characterized in that, The enclosure (110) is a transparent explosion-proof enclosure.

Images