Model box and three-way servo cooperative control system thereof

Abstract

The invention discloses a model box and a three-way servo cooperative control system thereof. In the model box, a surrounding frame is arranged between two vertical plates of a mounting seat; the plurality of first pressurizing pieces are mounted on one of the vertical plates, and the plurality of second pressurizing pieces, the plurality of third pressurizing pieces, the plurality of fourth pressurizing pieces and the plurality of fifth pressurizing pieces are correspondingly mounted on the upper mounting part, the lower mounting part, the front mounting part and the rear mounting part of the enclosure frame; the box body abuts against the other vertical plate. The multiple first pressurizing pieces apply pressure to the box body at the same time towards the other vertical plate, the multiple second pressurizing pieces apply pressure to the upper side of the box body at the same time, the multiple third pressurizing pieces apply pressure to the lower side of the box body at the same time, the multiple fourth pressurizing pieces apply pressure to the front side of the box body at the same time, and the multiple fifth pressurizing pieces apply pressure to the rear side of the box body at the same time. The device can accurately simulate the strength change condition of an object under the condition that rock-soil is subjected to different acting forces in different directions, and can apply large acting forces to the rock-soil in all directions.

Description

Technical Field

[0001] The invention belongs to the technical field of active fault disaster effect simulation experiments, and in particular relates to a model box and a three-way servo coordinated control system thereof. Background Art

[0002] In the process of studying the effects of active fracture disasters, compressive strength is often used to characterize the strength state of the rock and soil at that location. The pressurization method tried in the large model box is the uniaxial pressurization process. In the actual situation, the rock and soil in the force process have different forces transmitted in various directions. Therefore, the current large model box can accurately simulate the changes in the strength of the object when the rock and soil are subjected to different forces in different directions. In order to restore the compression condition of the rock and soil as much as possible, the three-way compression condition is an indispensable pressurization method, so a triaxial pressurization method is proposed. However, the triaxial pressurization method of the existing model box is to fix the same fixed confining pressure to measure the compressive strength of the rock and soil. The pressurization process in different directions cannot be accurately controlled, and only a unified fixed confining pressure design can be performed. It is only suitable for mechanical tests in small model boxes, and it is difficult to generate large forces in all directions. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the present invention is to propose a model box and a three-way servo coordinated control system thereof, which can accurately simulate the change in the strength of the object when the rock and soil are subjected to different forces in different directions, and can exert a large force on the rock and soil in all directions, and is suitable for large-scale model box simulation experiments.

[0004] A first aspect of the present invention provides a model box.

[0005] The model box according to the first embodiment of the present invention comprises:

[0006] A mounting seat, the mounting seat comprising two vertical plates spaced opposite to each other on the left and right sides;

[0007] A surrounding frame, the surrounding frame is arranged between the two vertical plates, and comprises an upper mounting portion, a front mounting portion, a lower mounting portion and a rear mounting portion which are sequentially connected end to end;

[0008] A pressurizing assembly, the pressurizing assembly comprising a plurality of first pressurizing members, a plurality of second pressurizing members, a plurality of third pressurizing members, a plurality of fourth pressurizing members and a plurality of fifth pressurizing members, the plurality of first pressurizing members being mounted on one of the two vertical plates, the plurality of second pressurizing members being mounted on the upper mounting portion, the plurality of third pressurizing members being mounted on the lower mounting portion, the plurality of fourth pressurizing members being mounted on the front mounting portion, and the plurality of fifth pressurizing members being mounted on the rear mounting portion;

[0009] A box body, the box body is used to fill the rock and soil samples, the box body is located between the two vertical plates and passes through the surrounding frame in the left-right direction, and the box body abuts against the other vertical plate in the left-right direction;

[0010] Among them, multiple first pressure members are used to simultaneously apply pressure to the box body in the left-right direction toward the other of the two vertical plates, multiple second pressure members are used to simultaneously apply pressure to the upper side of the box body in the up-down direction, multiple third pressure members are used to simultaneously apply pressure to the lower side of the box body in the up-down direction, multiple fourth pressure members are used to simultaneously apply pressure to the front side of the box body in the front-to-back direction, and multiple fifth pressure members are used to simultaneously apply pressure to the rear side of the box body in the front-to-back direction.

[0011] The model box according to the first aspect of the embodiment of the present invention has the advantage that: through the multiple first pressure members arranged in parallel, the multiple second pressure members arranged in parallel, the multiple third pressure members arranged in parallel, the multiple fourth pressure members arranged in parallel and the multiple fifth pressure members arranged in parallel, the combination of forces is greatly enhanced, so that a larger total pressure is applied to different sides of the box body, and the possibility of different lateral limit pressures on different sides of the box body can be simulated more, thereby increasing the degree of restoration of pressure conditions under different states, making the control state of the force inside the model box more accurate, and can restore the compression condition of rock and soil, which is suitable as a large model box simulation experiment.

[0012] In some embodiments, the number of the first pressurizing members is determined by the maximum limit of the total pressure applied on the left or right side of the box body, the number of the second pressurizing members is determined by the maximum limit of the total pressure applied on the upper side of the box body, the number of the third pressurizing members is determined by the maximum limit of the total pressure applied on the lower side of the box body, the number of the fourth pressurizing members is determined by the maximum limit of the total pressure applied on the front side of the box body, and the number of the fifth pressurizing members is determined by the maximum limit of the total pressure applied on the rear side of the box body.

[0013] In some embodiments, one end of the plurality of first pressure members is mounted on the inner side of the vertical plate via a first plane bearing, and the other end of the plurality of first pressure members abuts against the left side or right side of the box body via a common first thrust plate.

[0014] In some embodiments, there are multiple frames, multiple second pressure members, multiple third pressure members, multiple fourth pressure members and multiple fifth pressure members are distributed on the multiple frames, and each of the frames is installed with the second pressure member, the third pressure member, the fourth pressure member and the fifth pressure member, and the second pressure member and the third pressure member on each frame are arranged symmetrically up and down, and the fourth pressure member and the fifth pressure member are arranged symmetrically front to back.

[0015] In some embodiments, with respect to each of the surrounding frames, one end of all the second pressure members are respectively mounted on the inner side of the upper mounting portion via a second plane bearing and the other end of all the second pressure members are abutted against the upper side of the box body via a common second thrust plate, one end of all the third pressure members are respectively mounted on the inner side of the lower mounting portion via a third plane bearing and the other end of all the third pressure members are abutted against the lower side of the box body via a common third thrust plate, one end of all the fourth pressure members are respectively mounted on the inner side of the front mounting portion via a fourth plane bearing and the other end of all the fourth pressure members are abutted against the front side of the box body via a common fourth thrust plate, one end of the fifth pressure member are respectively mounted on the inner side of the rear mounting portion via a fifth plane bearing and the other end of all the fifth pressure members are abutted against the lower side of the box body via a common fifth thrust plate.

[0016] In some embodiments, in the left-right direction, except for the one of the surrounding frames which is farthest from the first pressure member and is fixed in position, the other surrounding frames can be moved in the left-right direction.

[0017] In some embodiments, a sliding assembly is also included, and the sliding assembly includes a slide rail and a moving part. The slide rail extends left and right, and the number of the moving parts is the same as the number of the remaining frames. The moving parts are arranged one by one below the lower mounting portion of the frame and cooperate with the slide rail so that the remaining frames can move independently in the left and right directions.

[0018] In some embodiments, each of the moving members includes a support block and a roller disposed on the support block, the support block supports the surrounding frame, and the roller cooperates with the slide rail.

[0019] In some embodiments, the first pressure member, the second pressure member, the third pressure member, the fourth pressure member and the fifth pressure member are all oil cylinders.

[0020] The second aspect of the present invention also proposes a three-way servo coordinated control system for a mold box.

[0021] According to the three-way servo collaborative control system of the model box according to the embodiment of the second aspect of the present invention, it is used to perform three-way servo collaborative control on the model box described in any embodiment of the first aspect of the present invention, and includes: a control module, an execution module and a detection module; wherein the control module is used to calculate the pressure values ​​required for each of the first pressure members, the second pressure members, the third pressure members, the fourth pressure members, and the fifth pressure members according to the expected pressure values ​​required to be applied on different sides of the box body, and issue instructions to the execution module; the execution module causes the first pressure members to apply pressure to the box body at the same time, the second pressure members to apply pressure to the box body at the same time, the third pressure members to apply pressure to the box body at the same time, the fourth pressure members to apply pressure to the box body at the same time, and the fifth pressure members to apply pressure to the box body at the same time according to the instructions; the detection module is used to detect the stress in the rock and soil inside the box body, and implement feedback to the controller.

[0022] According to the three-way servo cooperative control system of the model box according to the second embodiment of the present invention, since the model box of the first embodiment of the present invention is adopted, the three-way servo cooperative control system of the model box according to the second embodiment of the present invention has the same technical effect as the model box of the first embodiment of the present invention, which will not be repeated here.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0025] Figure 1 A three-dimensional diagram of a model box according to an embodiment of the present invention;

[0026] Figure 2 A front cross-sectional view of a model box according to an embodiment of the present invention;

[0027] Figure 3 A top view of a model box according to an embodiment of the present invention;

[0028] Figure 4 for Figure 1 Oblique cross-section view at point A in the middle.

[0029] Reference numerals:

[0030] Model box 1000; mounting seat 1; vertical plate 101; frame 2; upper mounting part 202; lower mounting part 203; front mounting part 204; rear mounting part 205; pressure component 3; first pressure member 301; first thrust plate 3011; second pressure member 302; third pressure member 303; fourth pressure member 304; fifth pressure member 305; box body 4; sliding component 5; slide rail 501; moving member 502; support block 5021; roller 5022. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] Combine the following Figures 1 to 4 To describe the model box 1000 and its three-way servo cooperative control system according to an embodiment of the present invention.

[0033] The first aspect of the present invention provides a model box 1000 .

[0034] like Figures 1 to 4 As shown, the model box 1000 of the first embodiment of the present invention is a large model box, which is used to simulate the change in the strength of the object when the rock and soil are subjected to different forces in different directions.

[0035] The model box 1000 of the embodiment of the present invention includes a mounting seat 1, a surrounding frame 2, a pressurizing component 3 and a box body 4.

[0036] Specifically, the mounting base 1 includes two vertical plates 101 that are spaced apart from each other on the left and right sides, that is, the two vertical plates 101 are arranged spaced apart in the left and right directions, and the mounting base 1 forms a U-shaped groove with an upward opening between the two vertical plates 101, and the U-shaped groove passes through in the front and rear directions, and the two vertical plates 101 simultaneously act as reaction walls.

[0037] The surrounding frame 2 is disposed between the two vertical plates 101 , is rectangular, and includes an upper mounting portion 202 , a front mounting portion 204 , a lower mounting portion 203 and a rear mounting portion 205 which are connected end to end. The surrounding frame 2 is continuous in the left-right direction.

[0038] The pressurizing assembly 3 includes a plurality of first pressurizing members 301, a plurality of second pressurizing members 302, a plurality of third pressurizing members 303, a plurality of fourth pressurizing members 304, and a plurality of fifth pressurizing members 305. The plurality of first pressurizing members 301 are mounted on one of the two vertical plates 101, such as Figure 1The multiple first pressure members 301 are installed on the vertical plate 101 located on the right, but the multiple first pressure members 301 can also be installed on the vertical plate 101 located on the left; the multiple second pressure members 302 are installed on the upper mounting part 202, the multiple third pressure members 303 are installed on the lower mounting part 203, the multiple fourth pressure members 304 are installed on the front mounting part 204, and the multiple fifth pressure members 305 are installed on the rear mounting part 205.

[0039] The box body 4 is used to fill the rock and soil samples. The box body 4 is located between the two vertical plates 101 and passes through the surrounding frame 2 in the left and right directions. The box body 4 abuts against the other vertical plate 101 in the left and right directions. For example, Figure 1 It is shown in the figure that multiple first pressure members 301 are installed on the vertical plate 101 located on the right, and the left side of the box body 4 abuts against the vertical plate 101 located on the left. If multiple first pressure members 301 are installed on the vertical plate 101 located on the left, the right side of the box body 4 abuts against the vertical plate 101 located on the right.

[0040] Among them, multiple first pressure members 301 are used to simultaneously apply pressure to the box body 4 in the left-right direction toward the other vertical plate 101 of the two vertical plates 101, multiple second pressure members 302 are used to simultaneously apply pressure to the upper side of the box body 4 in the up-down direction, multiple third pressure members 303 are used to simultaneously apply pressure to the lower side of the box body 4 in the up-down direction, multiple fourth pressure members 304 are used to simultaneously apply pressure to the front side of the box body 4 in the front-to-back direction, and multiple fifth pressure members 305 are used to simultaneously apply pressure to the rear side of the box body 4 in the front-to-back direction. It can be understood that, in the left-right direction, one of the left and right sides of the box body 4 is subjected to pressure by a plurality of first pressure members 301 arranged in parallel, and the pressures applied by the plurality of first pressure members 301 are combined to achieve a relatively large total pressure, thereby causing a relatively large pressure to be applied to one of the left and right sides of the box body 4; similarly, in the up-down direction, the upper side of the box body 4 is subjected to pressure by a plurality of second pressure members 302 arranged in parallel, and the pressures applied by the plurality of second pressure members 302 are combined to achieve a relatively large total pressure, thereby causing a relatively large pressure to be applied to the upper side of the box body 4, and the lower side of the box body 4 is also subjected to pressure by a plurality of third pressure members 303 arranged in parallel, and the pressures applied by the plurality of third pressure members 303 are combined to achieve a relatively large total pressure, thereby causing a relatively large pressure to be applied to the lower side of the box body 4; similarly, in the front-to-back direction, the front side of the box body 4 is subjected to pressure by a plurality of third pressure members 303 arranged in parallel Multiple fourth pressure members 304 apply pressure, and the pressures applied by the multiple fourth pressure members 304 are combined to reach a larger total pressure, so that a larger pressure is applied to the front side of the box body 4, and the back side of the box body 4 also applies pressure through multiple fifth pressure members 305 arranged in parallel, and the pressures applied by the multiple fifth pressure members 305 are combined to reach a larger total pressure, so that a larger pressure is applied to the back side of the box body 4; that is, the total pressures applied by different sides of the box body 4 in three directions (the "three directions" here refer to the left and right directions, the up and down directions, and the front and back directions) can be different. By controlling the magnitude of the total pressures on different sides of the box body 4 respectively, the rock and soil in the box body 4 are subjected to forces of different magnitudes in different directions, the compression condition of the rock and soil can be restored, and the different sides of the box body 4 can each apply a larger total pressure, which is suitable as a large model box simulation experiment.

[0041] The model box 1000 according to the first aspect of the embodiment of the present invention has the advantage that: through multiple first pressure members 301 arranged in parallel, multiple second pressure members 302 arranged in parallel, multiple third pressure members 303 arranged in parallel, multiple fourth pressure members 304 arranged in parallel and multiple fifth pressure members 305 arranged in parallel, the combination of forces is greatly enhanced, so that a larger total pressure is applied to different sides of the box body 4, and the possibility of different lateral limit pressures on different sides of the box body 4 can be more simulated, thereby increasing the degree of restoration of pressure conditions under different states, making the control state of the force inside the model box 1000 more accurate, and can restore the compression condition of rock and soil, which is suitable as a large model box simulation experiment.

[0042] In some embodiments, the number of first pressurizing members 301 is determined by the maximum limit of the total pressure applied on the left or right side of the box body 4, the number of second pressurizing members 302 is determined by the maximum limit of the total pressure applied on the upper side of the box body 4, the number of third pressurizing members 303 is determined by the maximum limit of the total pressure applied on the lower side of the box body 4, the number of fourth pressurizing members 304 is determined by the maximum limit of the total pressure applied on the front side of the box body 4, and the number of fifth pressurizing members 305 is determined by the maximum limit of the total pressure applied on the rear side of the box body 4. Since the maximum pressure applied by a single first pressurizing member 301 is limited, the maximum limit of the total pressure applied on the left or right side of the box body 4 is the sum of the maximum pressures applied by multiple first pressurizing members 301, and the number of first pressurizing members 301 can be reasonably determined. Similarly, the number of second pressurizing members 302, the number of third pressurizing members 303, the number of fourth pressurizing members 304, and the number of fifth pressurizing members 305 are also determined in the same way, which will not be repeated here.

[0043] In some embodiments, one end of the plurality of first pressure members 301 is mounted on the inner side of the vertical plate 101 through a first plane bearing (not shown in the figure), and the other end of the plurality of first pressure members 301 abuts against the left side or right side of the box body 4 through a common first thrust plate 3011. In other words, each first pressure member 301 is arranged on the inner side of the vertical plate 101, that is, in the U-shaped groove, and the arrangement is reasonable; each first pressure member 301 is mounted on the vertical plate 101 through a first plane bearing, so that the friction force of the first pressure member 301 during the pressurizing action can be reduced; by providing the first thrust plate 3011, the left side or right side of the box body 4 can be subjected to uniform force.

[0044] In some embodiments, there are multiple frames 2, multiple second pressure pieces 302, multiple third pressure pieces 303, multiple fourth pressure pieces 304 and multiple fifth pressure pieces 305 are distributed on multiple frames 2, and each frame 2 is installed with a second pressure piece 302, a third pressure piece 303, a third pressure piece 303 and a fifth pressure piece 305. The second pressure piece 302 and the third pressure piece 303 on each frame 2 are arranged symmetrically up and down, and the fourth pressure piece 304 and the fifth pressure piece 305 are arranged symmetrically front to back, and the arrangement is reasonable.

[0045] In some embodiments, the plurality of enclosures 2 are identical, and the number and arrangement positions of the first press members 301, the second press members 302, the third press members 303, the fourth press members 304, and the fifth press members 305 arranged on the plurality of enclosures 2 are identical. In other words, each enclosure 2 and the module units composed of the first press member 301, the second press member 302, the third press member, the fourth press member 304, and the fifth press member 305 installed on the enclosure 2 are identical, and processing is convenient.

[0046] In some embodiments, with respect to each frame 2, one end of all second pressure members 302 are respectively mounted on the inner side of the upper mounting portion 202 via a second plane bearing (not shown in the figure) and the other ends of all second pressure members 302 are abutted against the upper side of the box body 4 via a common second thrust plate; that is, the second pressure members 302 are arranged on the inner side of the upper mounting portion 202, and the arrangement is reasonable. By setting the second plane bearing, the friction resistance of the second pressure members 302 during the pressurizing action can be reduced, and by setting the second thrust plate, the force applied to the upper side of the box body 4 can be evenly distributed.

[0047] One end of all the third pressure members 303 are respectively mounted on the inner side of the lower mounting portion 203 via a third plane bearing (not shown in the figure) and the other ends of all the third pressure members 303 are abutted against the lower side of the box body 4 via a common third thrust plate; that is, the third pressure members 303 are arranged on the inner side of the lower mounting portion 203, and the arrangement is reasonable. By arranging the third plane bearing, the friction resistance of the third pressure members 303 during the pressurizing action can be reduced, and by arranging the third thrust plate, the force applied to the lower side of the box body 4 can be evenly distributed.

[0048] One end of all fourth pressure members 304 are respectively mounted on the inner side of the front mounting portion 204 via a fourth plane bearing (not shown in the figure) and the other ends of all fourth pressure members 304 are abutted against the front side of the box body 4 via a common fourth thrust plate; that is, the fourth pressure members 304 are arranged on the inner side of the front mounting portion 204, and the arrangement is reasonable. By arranging the fourth plane bearing, the friction resistance of the fourth pressure members 304 during the pressurizing action can be reduced, and by arranging the fourth thrust plate, the force applied to the front side of the box body 4 can be evenly distributed.

[0049] One end of the fifth pressure member 305 is respectively installed on the inner side of the rear mounting portion 205 through a fifth plane bearing (not shown in the figure), and the other end of all the fifth pressure members 305 abuts against the lower side of the box body 4 through a common fifth thrust plate. In other words, the fifth pressure member 305 is arranged on the inner side of the rear mounting portion 205, and the arrangement is reasonable. By setting the fifth plane bearing, the friction resistance of the fifth pressure member 305 during the pressurizing action can be reduced, and by setting the fifth thrust plate, the force applied to the front side of the box body 4 can be evenly distributed.

[0050] In some embodiments, in the left-right direction, except for the frame 2 farthest from the first pressure member 301, the remaining frames 2 can be moved in the left-right direction. Figure 1 As shown, in the left-right direction, the first pressure member 301 is installed on the right vertical plate 101, and the first pressure member 301 is used to apply pressure to the right side of the box body 4, and the left side of the box body 4 is against the left vertical plate 101; the enclosure 2 farthest from the first pressure member, that is, the enclosure 2 located on the far left, is fixed on the mounting seat 1, and the remaining enclosures 2 can be moved in the left-right direction. By setting the remaining enclosures 2 to be movable in the left-right direction, on the one hand, in the process of changing the magnitude of the force applied to the box body 4, the box body 4 has a certain follow-up mechanism in the left-right direction, and on the other hand, before applying pressure to the box body 4, the positions of the force application points on the front and rear sides of the box body 4 can be conveniently adjusted by moving the remaining enclosures 2.

[0051] In some embodiments, a sliding assembly 5 is also included, and the sliding assembly 5 includes a slide rail 501 and a moving member 502. The slide rail 501 extends left and right and plays a guiding role. The number of moving members 502 is the same as the number of the remaining enclosures 2. The moving members 502 are arranged below the lower mounting portion 203 of the enclosure 2 in a one-to-one correspondence and fixed to the corresponding enclosure 2. The moving members 502 cooperate with the slide rail 501 so that the remaining enclosures 2 can move independently in the left and right directions. The cooperation between the moving member 502 and the slide rail 501 can reduce the friction during the movement process, play a role in reducing the movement resistance, and play a guiding role in the left and right movement of the box body 4.

[0052] In some embodiments, each moving member 502 includes a support block 5021 and a roller 5022 disposed on the support block 5021, the support block 5021 supports the surrounding frame 2, the surrounding frame 2 is fixed on the support block 5021, and the roller 5022 cooperates with the slide rail 501. Through the cooperation between the roller 5022 and the slide rail 501, the friction force during the movement process can be reduced, the movement resistance is reduced, and the left and right movement of the box body 4 is guided.

[0053] In some embodiments, the first pressure member 301 , the second pressure member 302 , the third pressure member 303 , the fourth pressure member 304 and the fifth pressure member 305 are all oil cylinders, which work reliably and can stably apply pressure to the box body 4 .

[0054] The second aspect of the present invention also proposes a three-way servo cooperative control system for a model box.

[0055] The three-way servo coordinated control system of the model box according to the second embodiment of the present invention is used to perform three-way servo coordinated control on the model box 1000 of any embodiment of the first embodiment of the present invention. The three-way servo coordinated control system of the model box includes a control module, an execution module and a detection module.

[0056] Specifically, the control module is used to calculate the pressure values ​​required for each of the multiple first pressure members 301, the pressure values ​​required for each of the multiple second pressure members 302, the pressure values ​​required for each of the multiple third pressure members 303, the pressure values ​​required for each of the multiple fourth pressure members 304, and the pressure values ​​required for each of the multiple fifth pressure members 305 according to the expected pressure values ​​required to be applied on different sides of the box body 4, and issue instructions to the execution module; wherein the expected values ​​required to be applied on different sides of the box body 4 can be the same or different, and need to be input into the control module according to experimental requirements.

[0057] The execution module causes the plurality of first pressurizing members 301 to apply pressure to the box body 4 at the same time, the plurality of second pressurizing members 302 to apply pressure to the box body 4 at the same time, the plurality of third pressurizing members 303 to apply pressure to the box body 4 at the same time, the plurality of fourth pressurizing members 304 to apply pressure to the box body 4 at the same time, and the plurality of fifth pressurizing members 305 to apply pressure to the box body 4 at the same time according to the instruction; it can be understood that the sum of the pressures applied by the plurality of first pressurizing members 301, the sum of the pressures applied by the plurality of second pressurizing members 302, the pressures applied by the plurality of third pressurizing members 303 The sum of the pressures applied by the multiple fourth pressure members 304 and the sum of the pressures applied by the multiple fifth pressure members 305 increases from zero to the desired pressure value on the corresponding side as the pressurization continues. During this continuous pressurization process, the pressurization of the multiple first pressure members 301, the pressurization of the multiple second pressure members 302, the pressurization of the multiple third pressure members 303, the pressurization of the multiple fourth pressure members 304 and the pressurization of the multiple fifth pressure members 305 are independent of each other and work together, thereby realizing three-way servo coordinated control of the model box 1000.

[0058] The detection module is used to detect the stress in the rock and soil in the box body 4 and implement feedback to the controller. It can be understood that the detection module can be a stress sensor distributed in the rock and soil of the box body 4. When different sides of the box body 4 are pressurized, the detection module can continuously check the stress changes in the rock and soil in real time and feed back to the control module in real time. The control module reads the detection data and analyzes the stress changes, thereby completing the simulation experiment of the rock and soil active fracture disaster effect.

[0059] According to the three-way servo collaborative control system of the model box according to the second embodiment of the present invention, since the model box 1000 of the first embodiment of the present invention is adopted, the three-way servo collaborative control system of the model box according to the second embodiment of the present invention has the same technical effect as the model box 1000 of the first embodiment of the present invention, which will not be repeated here.

[0060] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0061] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A model box, characterized in that: include: A mounting seat, the mounting seat comprising two vertical plates spaced opposite to each other on the left and right sides; A surrounding frame, the surrounding frame is arranged between the two vertical plates, and comprises an upper mounting portion, a front mounting portion, a lower mounting portion and a rear mounting portion which are sequentially connected end to end; A pressurizing assembly, the pressurizing assembly comprising a plurality of first pressurizing members, a plurality of second pressurizing members, a plurality of third pressurizing members, a plurality of fourth pressurizing members and a plurality of fifth pressurizing members, the plurality of first pressurizing members being mounted on one of the two vertical plates, the plurality of second pressurizing members being mounted on the upper mounting portion, the plurality of third pressurizing members being mounted on the lower mounting portion, the plurality of fourth pressurizing members being mounted on the front mounting portion, and the plurality of fifth pressurizing members being mounted on the rear mounting portion; A box body, the box body is used to fill the rock and soil samples, the box body is located between the two vertical plates and passes through the surrounding frame in the left-right direction, and the box body abuts against the other vertical plate in the left-right direction; Among them, multiple first pressure members are used to simultaneously apply pressure to the box body in the left-right direction toward the other of the two vertical plates, multiple second pressure members are used to simultaneously apply pressure to the upper side of the box body in the up-down direction, multiple third pressure members are used to simultaneously apply pressure to the lower side of the box body in the up-down direction, multiple fourth pressure members are used to simultaneously apply pressure to the front side of the box body in the front-to-back direction, and multiple fifth pressure members are used to simultaneously apply pressure to the rear side of the box body in the front-to-back direction.

2. The model box according to claim 1, characterized in that: The number of the first pressure members is determined by the maximum limit of the total pressure applied on the left or right side of the box body, the number of the second pressure members is determined by the maximum limit of the total pressure applied on the upper side of the box body, the number of the third pressure members is determined by the maximum limit of the total pressure applied on the lower side of the box body, the number of the fourth pressure members is determined by the maximum limit of the total pressure applied on the front side of the box body, and the number of the fifth pressure members is determined by the maximum limit of the total pressure applied on the rear side of the box body.

3. The model box according to claim 1, characterized in that: One ends of the plurality of first pressure members are mounted on the inner side of the vertical plate through a first plane bearing, and the other ends of the plurality of first pressure members abut against the left side or the right side of the box body through a common first thrust plate.

4. The model box according to claim 1, characterized in that: There are multiple frames, multiple second pressure members, multiple third pressure members, multiple fourth pressure members and multiple fifth pressure members are distributed on the multiple frames, and each of the frames is installed with the second pressure member, the third pressure member, the fourth pressure member and the fifth pressure member, and the second pressure member and the third pressure member on each frame are symmetrically arranged up and down, and the fourth pressure member and the fifth pressure member are symmetrically arranged front to back.

5. The model box according to claim 4, characterized in that: As for each of the surrounding frames, one end of all the second pressure members are respectively mounted on the inner side of the upper mounting portion through a second plane bearing and the other end of all the second pressure members abut against the upper side of the box body through a common second thrust plate, one end of all the third pressure members are respectively mounted on the inner side of the lower mounting portion through a third plane bearing and the other end of all the third pressure members abut against the lower side of the box body through a common third thrust plate, one end of all the fourth pressure members are respectively mounted on the inner side of the front mounting portion through a fourth plane bearing and the other end of all the fourth pressure members abut against the front side of the box body through a common fourth thrust plate, one end of the fifth pressure member is respectively mounted on the inner side of the rear mounting portion through a fifth plane bearing and the other end of all the fifth pressure members abut against the lower side of the box body through a common fifth thrust plate.

6. The model box according to claim 4, characterized in that: In the left-right direction, except for the one of the enclosures which is farthest from the first pressure member and is fixed in position, the other enclosures can move in the left-right direction.

7. The model box according to claim 6, characterized in that: It also includes a sliding assembly, which includes a sliding rail and a moving part. The sliding rail extends left and right. The number of the moving parts is the same as the number of the remaining frames. The moving parts are arranged one by one below the lower mounting portion of the frame and cooperate with the sliding rail so that the remaining frames can move independently in the left and right directions.

8. The model box according to claim 7, characterized in that: Each of the moving parts comprises a support block and a roller arranged on the support block, the support block supports the surrounding frame, and the roller cooperates with the slide rail.

9. The model box according to claim 6, characterized in that: The first pressurizing member, the second pressurizing member, the third pressurizing member, the fourth pressurizing member and the fifth pressurizing member are all oil cylinders.

10. A three-way servo cooperative control system for a model box, characterized in that: Used to perform three-way servo coordinated control on the model box described in any one of claims 1 to 9, comprising: a control module, an execution module and a detection module; wherein, The control module is used to calculate the pressure values ​​required for each of the first pressure members, the second pressure members, the third pressure members, the fourth pressure members, and the fifth pressure members according to the expected pressure values ​​required to be applied on different sides of the box body, and issue instructions to the execution module; the execution module causes the first pressure members to apply pressure to the box body at the same time, the second pressure members to apply pressure to the box body at the same time, the third pressure members to apply pressure to the box body at the same time, the fourth pressure members to apply pressure to the box body at the same time, and the fifth pressure members to apply pressure to the box body at the same time according to the instructions; the detection module is used to detect the stress in the rock and soil inside the box body, and implement feedback to the controller.

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