CN-121994693-A - Two-dimensional and three-dimensional integrated device based on similar model experiment

CN121994693ACN 121994693 ACN121994693 ACN 121994693ACN-121994693-A

Abstract

The invention discloses a two-dimensional and three-dimensional integrated device based on a similar model experiment, which is an integrated device based on a main frame and an auxiliary frame, wherein a pressurizing executing mechanism, a bearing boundary and the like are integrated in a modularized manner, and a positioning mechanism is combined to realize seamless switching of the two-dimensional and three-dimensional experiment. The device is characterized by comprising an auxiliary frame, a main frame, a moving-in sliding rail and a moving-out sliding rail, wherein the auxiliary frame is connected with a sliding block of the moving-in sliding rail through a connecting piece arranged at the top, the main frame is connected with the sliding block of the moving-in sliding rail through the connecting piece arranged at the top, the main frame is separated from the auxiliary frame in a two-dimensional experiment mode, the auxiliary frame is moved out through the moving-out sliding rail, only the main frame is reserved on the moving-in sliding rail in the three-dimensional experiment mode, and the auxiliary frame is moved onto the moving-in sliding rail through the moving-out sliding rail and is spliced with the main frame on the moving-in sliding rail in the three-dimensional experiment mode, so that the two-dimensional and three-dimensional similar model experiment can be quickly switched.

Inventors

LUO GEXUANZI
RAN XIN
DONG ZAITIAN
NI HUINING
LI YILONG
ZHAO XIANMING
LI LIANZHONG
Miao Chuanxing
FENG HUI

Assignees

长沙矿山研究院有限责任公司
辽宁工程技术大学
中国地质调查局南京地质调查中心(华东地质科技创新中心)

Dates

Publication Date: 20260508
Application Date: 20260305

Claims (10)

1. The two-dimensional and three-dimensional integrated device based on the similar model experiment comprises an auxiliary frame, a main frame, a moving-in sliding rail and a moving-out sliding rail, and is characterized in that the moving-in sliding rail and the moving-out sliding rail are vertically intersected, the intersection is mutually communicated to form a full-line through moving-in and moving-out sliding rail, the moving-in and moving-out sliding rail is a hoisting sliding rail, the auxiliary frame is connected with a sliding block of the moving-in and moving-out sliding rail through a connecting piece arranged at the top, the main frame is connected with the sliding block of the moving-in and moving-out sliding rail through a connecting piece arranged at the top, the auxiliary frame is two, the auxiliary frames are respectively correspondingly arranged at two sides of the main frame, the main frame and the auxiliary frame are separated in a two-dimensional experiment mode, the auxiliary frame is moved out through the moving-out sliding rail, and only the main frame is reserved on the moving-in sliding rail in the two-dimensional experiment mode, and the main frame on the moving-in the sliding rail is connected with the moving-in the sliding rail in the main frame.
2. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein a group of positioning slide bars are correspondingly arranged on two side surfaces of the top of the main frame, a group of positioning holes corresponding to the positioning slide bars are formed in the top of the auxiliary frame, and the positioning slide bars are inserted into the corresponding positioning holes when the auxiliary frame and the main frame are combined.
3. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein auxiliary frame casters are arranged at the bottom of the auxiliary frame, main frame casters are arranged at the bottom of the main frame, and the auxiliary frame casters and the main frame casters are universal wheels with brake locking.
4. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein a group of main frame hydraulic cylinders are correspondingly arranged on the inner top surface and the two inner side surfaces of the main frame respectively, main frame loading plates are arranged at the ends of the main frame hydraulic cylinders, the main frame hydraulic cylinders are vertically arranged, the group of main frame hydraulic cylinders are arranged in a matrix manner, target stress is stably and uniformly applied to materials, the main frame loading plates and the main frame hydraulic cylinders are connected through ball-joint structures, fine adjustment is conveniently carried out during assembly, no unbalanced load and no tilt angle of the main frame loading plates are guaranteed, the ball-joint structure bolts are locked after fine adjustment is completed, the main frame loading plates are thick plates with leveling layers on the surfaces, and the leveling layers are pressure-resistant elastic layers.
5. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein a row of auxiliary frame hydraulic cylinders are correspondingly arranged on the inner top surface and the two inner side surfaces of the auxiliary frame respectively, auxiliary frame loading plates are arranged at the end parts of the auxiliary frame hydraulic cylinders, the auxiliary frame hydraulic cylinders are vertically arranged, the row of auxiliary frame hydraulic cylinders stably and uniformly apply target stress to materials, the auxiliary frame hydraulic cylinders are connected with the auxiliary frame loading plates through ball structures, fine adjustment is conveniently carried out during assembly, no offset load and no tilt angle of the auxiliary frame loading plates are guaranteed, the ball structure bolts are locked after fine adjustment is completed, the auxiliary frame loading plates are thick plates with leveling layers arranged on the surfaces, and the leveling layers are pressure-resistant elastic layers.
6. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein main frame limit grooves are respectively and correspondingly formed in two sides of the bottom surface of the main frame, auxiliary frame limit grooves corresponding to the main frame limit grooves are respectively and correspondingly formed in two sides of the bottom surface of the auxiliary frame, and the central lines of the main frame limit grooves and the auxiliary frame limit grooves are in the same straight line.
7. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein the main frame inner bottom surface is provided with a main frame guide groove, the auxiliary frame inner bottom surface is provided with an auxiliary frame guide groove corresponding to the main frame guide groove, the central lines of the main frame guide groove and the auxiliary frame guide groove are on the same straight line, two sides of the main frame inner bottom surface are respectively and correspondingly provided with a main frame slope, and two sides of the auxiliary frame inner bottom surface are respectively and correspondingly provided with an auxiliary frame slope.
8. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein the sliding block connected with the auxiliary frame and the moving-in and moving-out sliding rail are kept relatively static through friction force, the sliding block connected with the main frame and the moving-in and moving-out sliding rail are kept relatively static through friction force, the moving-in sliding rail is a double sliding rail, the moving-out sliding rail is two, the distance between the two moving-out sliding rails is larger than the width of the main frame, and enough moving-in and moving-out space is reserved for the auxiliary frame separated from the main frame.
9. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein the main frame inner top surface and the two inner side surfaces are characterized in that the main frame hydraulic cylinder on each surface independently controls the pressurizing progress through the arranged hydraulic pump station, pipeline and controller, and the auxiliary frame hydraulic cylinder on each surface independently controls the pressurizing progress through the arranged hydraulic pump station, pipeline and controller.
10. The two-dimensional and three-dimensional integrated device based on the similar model experiment according to claim 1, wherein the two lateral surfaces of the main frame are externally provided with weight reduction grooves in matrix arrangement, the two lateral surfaces of the auxiliary frame are externally provided with weight reduction grooves in matrix arrangement, rib connection is reserved between two adjacent weight reduction grooves, the weight reduction grooves are rectangular grooves or polygonal grooves, and the edges of the notch are provided with chamfers.

Description

Two-dimensional and three-dimensional integrated device based on similar model experiment Technical Field The invention discloses a two-dimensional and three-dimensional integrated device based on a similar model experiment, relates to a device for integrating two-dimensional and three-dimensional similar model experiments, and belongs to the technical field of similar model experiments. In particular to an integrated device which is based on a main frame and an auxiliary frame, performs modularized integration on a pressurizing executing mechanism, a bearing boundary and the like, and realizes seamless switching of two-dimensional and three-dimensional experiments by combining a positioning mechanism. Background When researching rock mass stress and deformation damage evolution rules, on-site monitoring is often limited by objective conditions such as complex working conditions, unreachable space, difficult isolation of variables, uncontrollable disturbance and the like, continuous and repeatable full-field data are difficult to obtain only by means of limited on-site measuring points, numerical simulation can realize multi-working condition deduction, but the result is highly sensitive to a constitutive model, parameter inversion and boundary conditions, when a visual direct evidence chain is lacking, a convincing verification closed loop is often difficult to form on a mechanism level, and a physical similarity simulation experiment becomes an important research means for revealing rules such as rock mass stress field redistribution, displacement field evolution, rock stratum change and rock mass stress state due to the characteristics of controllable loading, repeatable experiment, visual observation, parameter traceability and the like; the section view angle has intuitiveness, can clearly show the change rules of a layered structure, a banded structure and the like of a rock stratum, is suitable for early exploration and key variable screening, is limited by a plane by a two-dimensional simulation experiment, has obvious spatial stress coupling, sensitive lateral constraint and complex spatial distribution of a structural surface, is difficult to reflect real three-dimensional stress field and spatial change by a two-dimensional result, can completely restore the three-dimensional spatial stress state and structural response process of a rock mass, is more close to the three-dimensional transmission, concentration and release rules of stress in real engineering, can obviously inhibit boundary effect by bearing a three-dimensional model through a body domain, enables the mechanical behavior of a core area to be infinitely approximate to a site live, in the practical experiment, the two-dimensional and three-dimensional experiments are carried out separately because of the differences of model materials, boundary conditions, loading procedures and measurement standards, the experimental results are difficult to directly compare and mutually verify, faults exist in the research process, the reliability of conclusion is reduced, in addition, an experimental device with fixed dimensions cannot be flexibly switched according to the research stage, key variables and sensitive working conditions found by the two-dimensional experiment cannot be seamlessly upgraded and verified on the same platform, an experimenter needs to reconstruct the three-dimensional experimental system and reconfigure the loading and measuring system, the experimental flow is forced to repeatedly model, repeatedly calibrate and repeatedly calibrate between the two-dimensional experiment and the three-dimensional experiment, the cost and the period are increased, and the experiment parameters are difficult to migrate, so that the continuous two-dimensional chain is difficult to quickly explore and verify from the three-dimensional depth. The publication No. CN118091085A discloses a rock stratum stacking similar simulation experiment device, which comprises an experiment table frame, a baffle plate, a calibration assembly and a wire winding mechanism, wherein the baffle plate is detachably arranged in the experiment table frame, the baffle plate and the experiment table frame are enclosed to form a rock stratum paving space for paving rock stratum similar materials, the calibration assembly comprises a graduated scale, a flexible rope and a fixed clamping piece, the experiment table frame comprises a first side and a second side which are oppositely arranged, the first side and the second side are respectively provided with the graduated scale, a chute extending along the vertical direction is arranged on the graduated scale, the fixed clamping piece is positioned on the first side, the first end of the flexible rope penetrates through the chute on the graduated scale on the first side and then is connected with the fixed clamping piece, the wire winding mechanism is positioned on the second side, and the second end of the flexible rope