Roadway model experiment device

Abstract

The utility model belongs to the technical field of tunnel model experiment equipment, and discloses a tunnel model experiment device which comprises a fixing frame, a model cavity is installed on the fixing frame, a vibration rod is installed at the bottom of the model cavity in a sleeved mode, and the vibration rod is driven by a first driving device. The device further comprises a bearing frame, and loading plates are arranged in four directions of the inner side of the bearing frame and are driven by a second driving device. The device further comprises a reflecting mirror and a laser scanner, the laser scanner is used for capturing optical radiation images, sliding grooves are formed in the two side walls of the inner side of the fixing frame, sliding blocks which are integrally formed and correspond to the sliding grooves are arranged on the two sides of the model cavity, the sliding blocks are matched with the sliding grooves, and the model cavity is installed on the fixing frame through the sliding grooves and the sliding blocks. The first driving device comprises a miniature vibration motor which is installed on the fixing frame. According to the utility model, a model test piece formed by solidification of a model solid-liquid mixture poured in a model cavity can be conveniently demoulded and taken out, and the operation is simple and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadway model experiment equipment technical field especially relates to a roadway model experiment device. BACKGROUND

[0002] The existing patent with the public number CN206114433U discloses a kind of soft rock analog roadway engineering model experiment device, to be cast into model test piece by model cavity with model solid-liquid mixture solidification, the upper pressure head of triaxial testing machine, left loading assembly, lower loading assembly and right loading assembly are combined, the loading of model test piece is realized by the multi-directional pressure of control system to model test piece.This utility model includes the upper pressure head of triaxial testing machine, rear acrylic plate, front acrylic plate, frame assembly, handle, left loading assembly, lower loading assembly, model cavity, right loading assembly, model test piece.The utility model is simple to operate, and application prospect is broad in deep soft rock engineering experiment.

[0003] But the inventor gradually found in experiment: the model test piece formed by model solid-liquid mixture pouring in model cavity and solidification is inconvenient to demould and take out, therefore, we propose a kind of roadway model experiment device. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research thereon, and after a lot of creative labor, the present utility model has been completed.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a roadway model experiment device to solve the technical problem that the model test piece formed by model solid-liquid mixture pouring in model cavity and solidification is inconvenient to demould and take out.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions:

[0007] A roadway model experiment device, comprising a fixing frame, a model cavity is installed on the fixing frame, a vibration rod is installed at the bottom of the model cavity in a sleeved manner, and the vibration rod is driven by a first driving device;

[0008] Further comprising a bearing frame, loading plates are arranged at four positions on the inner side of the bearing frame, and the loading plates are driven by a second driving device;

[0009] Further comprising a mirror and a laser scanner, and the laser scanner is used to capture light radiation images.

[0010] As an improved technical scheme, the inner side of the fixing frame is provided with a sliding groove on both sides, the model cavity is provided with a sliding block corresponding to the sliding groove on both sides and matched with the sliding groove, and the model cavity is installed on the fixing frame through the sliding groove and the sliding block.

[0011] As an improved technical scheme, the first driving device comprises a micro vibration motor, the micro vibration motor is installed on the fixing frame, an output shaft of the micro vibration motor penetrates through the fixing frame, and an extended part is fixedly connected with one end of the vibration rod.

[0012] As an improved technical scheme, the bottom of the model cavity is provided with a sleeve hole corresponding to the vibration rod and matched with one end of the vibration rod.

[0013] As an improved technical scheme, the bearing frame comprises a bottom plate, side plates are fixedly installed on both sides of the bottom plate, and a top plate is fixedly installed on the inner side of the side plate.

[0014] The second driving device comprises a micro cylinder, the micro cylinder is installed on the bottom plate, the two side plates and the top plate, a piston rod on the micro cylinder penetrates through the bottom plate, the two side plates and the top plate, and an extended part is fixedly installed on the loading plate.

[0015] As an improved technical scheme, the model cavity is poured with a model solid-liquid mixture, and the model solid-liquid mixture is solidified to form a model test piece, and the reflector is adhered to the front and back sides of the model test piece through the model solid-liquid mixture.

[0016] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0017] 1. The model cavity is assembled to the fixing frame, the sliding block is assembled into the sliding groove, one end of the vibration rod is sleeved in the sleeve hole, the model cavity is poured with a model solid-liquid mixture, the micro vibration motor is started, the output shaft of the micro vibration motor drives the vibration rod to vibrate, the vibration rod drives the model solid-liquid mixture in the model cavity to vibrate, the model solid-liquid mixture has good compactness, the model solid-liquid mixture is solidified to form a model test piece, the micro vibration motor is started again, the output shaft of the micro vibration motor drives the vibration rod to vibrate, the vibration rod drives the model cavity to vibrate, the model test piece is better demolded and taken out, the model test piece formed by pouring the model solid-liquid mixture in the model cavity and solidifying is conveniently demolded and taken out, and the operation is simple and fast.

[0018] 2. The utility model discloses a model solid-liquid mixture is adhered to the front and back of model test piece through the reflection mirror, and the model test piece is placed in the inside of the bearing frame, the loading plate is located in the four directions of model test piece at this time, then the micro pneumatic cylinder is started, the piston rod on the micro pneumatic cylinder drives the loading plate to move to the direction of model test piece, and the model test piece is loaded and pressure tested, at the same time, the handheld laser scanner captures the image of the light radiation formed by the reflection of the reflection mirror, and then the displacement and deformation are further analyzed through the image, and the roadway model experiment can be completed, thereby facilitating the completion of the roadway model experiment. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without the creative labor, wherein:

[0020] Figure 1 It is the model test piece state structure schematic diagram of the formation of the utility model roadway model experiment device.

[0021] Figure 2 It is the model test piece disassembly state structure schematic diagram of the formation of the utility model roadway model experiment device.

[0022] Figure 3 It is the model test piece loading state structure schematic diagram of the utility model roadway model experiment device.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] In the drawing: 1, fixed frame;101, sliding groove;2, model cavity;201, sliding block;202, sleeve joint hole;3, vibration rod;4, micro vibration motor;5, bottom plate;6, side plate;7, top plate;8, loading plate;9, micro pneumatic cylinder;10, model test piece;11, reflection mirror. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following by combining the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without the creative labor belong to the protection scope of the utility model.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three solutions, for example, "A and / or B" includes A solution, or B solution, or A and B solutions.

[0028] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0029] Referring to Figures 1-3 , a roadway model experiment device is provided, which comprises a fixing frame 1, a model cavity 2 is installed on the fixing frame 1, a vibration rod 3 is installed at the bottom of the model cavity 2, and the vibration rod 3 is driven by a first driving device;

[0030] Further comprising a bearing frame, the inner side of the bearing frame is provided with a loading plate 8 in four directions, and the loading plate 8 is driven by a second driving device;

[0031] Further comprising a mirror 11 and a laser scanner (the laser scanner is prior art and will not be described in detail here), and the laser scanner is used to capture light radiation images.

[0032] Referring to Figure 1 and Figure 2 , the inner side of the fixing frame 1 is provided with a sliding groove 101 on both sides, the model cavity 2 is provided with a sliding block 201 corresponding to the sliding groove 101 on both sides, and the sliding block 201 is matched with the sliding groove 101, and the model cavity 2 is installed on the fixing frame 1 through the sliding groove 101 and the sliding block 201.

[0033] Referring to Figure 1 and Figure 2 , the first driving device comprises a micro vibration motor 4, the micro vibration motor 4 is installed on the fixing frame 1, the output shaft of the micro vibration motor 4 penetrates the fixing frame 1, and the protruding part is fixedly connected with one end of the vibration rod 3.

[0034] Referring toFigure 1 and Figure 2 The bottom of the model cavity 2 is provided with a sleeve hole 202 corresponding to the vibration rod 3, and the sleeve hole 202 is matched with one end of the vibration rod 3.

[0035] Referring to Figure 3 The bearing frame comprises a bottom plate 5, both sides of the bottom plate 5 are fixedly provided with side plates 6, and the inner sides of the side plates 6 are fixedly provided with a top plate 7.

[0036] The second driving device comprises a micro cylinder 9, which is installed on the bottom plate 5, the two side plates 6 and the top plate 7, the piston rod on the micro cylinder 9 penetrates through the bottom plate 5, the two side plates 6 and the top plate 7, and the protruding part is fixedly installed with the loading plate 8.

[0037] Referring to Figures 1-3 The model test piece 10 can be formed by pouring the model solid-liquid mixture into the model cavity 2 and solidifying, and the reflector 11 is adhered to the front and back sides of the model test piece 10 by the model solid-liquid mixture.

[0038] In actual use, the model cavity 2 is assembled to the fixed frame 1, at this time the sliding block 201 is assembled into the sliding groove 101, and one end of the vibration rod 3 is sleeved in the sleeve hole 202, then the model solid-liquid mixture is poured into the model cavity 2, and the micro vibration motor 4 fixed on the fixed frame 1 is started at the same time, at this time the output shaft of the micro vibration motor 4 drives the vibration rod 3 fixed on the output shaft to vibrate, and the vibration rod 3 drives the model solid-liquid mixture in the model cavity 2 to vibrate, so that the model solid-liquid mixture has good compactness, until the model test piece 10 is formed by solidifying the model solid-liquid mixture, the micro vibration motor 4 fixed on the fixed frame 1 is started again, at this time the output shaft of the micro vibration motor 4 drives the vibration rod 3 fixed on the output shaft to vibrate, and the vibration rod 3 drives the model cavity 2 to vibrate, so that the model test piece 10 is better demolded and taken out, thereby facilitating the demolding and taking out of the model test piece 10 formed by pouring the model solid-liquid mixture into the model cavity 2 and solidifying, and the operation is simple and fast.

[0039] Then the reflector 11 is adhered to the front and back sides of the model test piece 10 by the model solid-liquid mixture, and the model test piece 10 is placed on the inner side of the bearing frame, at this time the loading plate 8 is located at the four positions of the model test piece 10 (as shown in Figure 3 ), then the micro cylinder 9 is started, at this time the piston rod on the micro cylinder 9 drives the loading plate 8 to move towards the model test piece 10, and the model test piece 10 is loaded and pressure tested, at the same time, the handheld laser scanner captures the image of the light radiation reflected by the reflector 11, and further analyzes the displacement and deformation through the image, thereby completing the roadway model experiment, thereby facilitating the completion of the roadway model experiment.

[0040] It should be understood that the use of these embodiments is by way of illustration only and is not intended to limit the scope of the present application. In addition, it should also be understood that, after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or changes to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A tunnel model experimental device, characterized by: The utility model relates to a kind of model test device, including fixed frame (1), model cavity (2) is installed on the fixed frame (1), the bottom of model cavity (2) is installed with vibration rod (3) by sleeve joint, vibration rod (3) is driven by first driving device; It further includes a carrier frame, the inner side of the carrier frame is provided with a loading plate (8) in four directions, and the loading plate (8) is driven by a second driving device; It further includes a mirror (11) and a laser scanner for capturing optical radiation images.

2. The roadway model experiment device according to claim 1, characterized in that: The inner side of the fixed frame (1) is provided with a sliding groove (101) on both sides, and the model cavity (2) is provided with a sliding block (201) corresponding to the sliding groove (101) on both sides, and the sliding block (201) is matched with the sliding groove (101).

3. The mine model experiment apparatus according to claim 1, characterized in that: The first driving device includes a micro-vibration motor (4), which is installed on the fixed frame (1), and the output shaft of the micro-vibration motor (4) penetrates the fixed frame (1), and the protruding part is fixedly connected with one end of the vibration rod (3).

4. The roadway model experiment apparatus according to claim 1, characterized by: The bottom of the model cavity (2) is provided with a sleeve hole (202) corresponding to the vibration rod (3), and the sleeve hole (202) is matched with one end of the vibration rod (3).

5. The mine model experiment apparatus according to claim 1, characterized in that: The carrier frame includes a bottom plate (5), and the two sides of the bottom plate (5) are fixedly installed with side plates (6), and the inner side of the side plate (6) is fixedly installed with a top plate (7). The second driving device includes a micro-cylinder (9), which is installed on the bottom plate (5), the two side plates (6) and the top plate (7), and the piston rod on the micro-cylinder (9) penetrates the bottom plate (5), the two side plates (6) and the top plate (7), and the protruding part is fixedly installed with the loading plate (8).

6. The tunnel model experiment apparatus according to claim 1, characterized in that: The model test device can form a model test piece (10) by pouring a model solid-liquid mixture into the model cavity (2) and allowing it to solidify, and the mirror (11) is adhered to the front and back of the model test piece (10) by the model solid-liquid mixture.

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