Three-dimensional rotatable steeply inclined coal seam similar model experiment device
By designing a three-dimensional rotatable, steeply inclined coal seam similarity model experimental device, the problems of material slippage and deformation caused by non-rotatable devices were solved, the accuracy and diversity of experimental data simulation were achieved, and the operation process was simplified.
Patent Information
- Application Number
- CN202520301993.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing mining experimental devices are mostly non-rotatable structures, which leads to severe slippage and deformation of steeply inclined coal seams, resulting in large errors in experimental data and making it difficult to simulate diverse coal mining methods.
Design a three-dimensional rotatable, steeply inclined coal seam similarity model experimental device. The model frame is rotated through a driving device and a bearing device to ensure that the material is laid horizontally and returns to a horizontal state after air drying, thereby reducing deformation.
It improves the stability of material laying and the accuracy of experimental data, simplifies the operation process, expands the types of experiments to three-dimensional simulation, and supports the simulation of various coal mining methods.
Smart Images
Figure CN223581952U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the mining technology field especially relates to a three -dimensional rotatable acute inclined coal seam similar model experiment device. BACKGROUND
[0002] In the mining research, the mining plane similar simulation experiment equipment commonly used in the laboratory is mostly non-rotatable structure, and the inclination of the model frame cannot be flexibly adjusted. However, the actual inclination of the coal and rock stratum of the acute inclined working face is large. When the experiment is carried out by using the non-rotatable model frame, the material is prone to slide down during the laying process along the inclined direction, and the deformation between the rock strata is serious during the air drying process, which leads to the difficulty in laying the model and the large experimental error, and the reliability of the experimental data is low. In order to solve the above problems, it is necessary to develop a rotatable experimental model frame, so that the model frame can be rotated to the actual inclination of the coal seam before the experiment, and the material can be laid along the horizontal direction to avoid material sliding and deformation. After the laying is completed and air dried, the model frame is rotated back to the horizontal state, the reliability of the experimental data is improved, and the laying process is simplified.
[0003] The existing two-dimensional experimental system can only simulate the sublevel mining, and the experimental types are limited, which is difficult to meet the simulation needs of diversified coal mining methods. Therefore, it is of great significance to expand to a three-dimensional experimental system to simulate various coal mining methods. CONTENT OF THE UTILITY MODEL
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a three-dimensional rotatable acute inclined coal seam similar model experiment device for simulating the mining process of the coal and rock stratum of the acute inclined working face.
[0005] The technical scheme adopted by the utility model is as follows: a three-dimensional rotatable acute inclined coal seam similar model experiment device, comprising a bottom plate, the bottom plate is equivalent to the slope surface in actual application, a bearing device and a driving device for supporting and connecting are installed on the bottom plate, the driving device is provided with two groups, which are driving device one and driving device two, a model frame is movably installed on the bearing device, the driving device one is connected with the upper wall of the model frame under the limitation of the bearing device, and the driving device two is connected with the side wall of the model frame under the limitation of the bearing device.
[0006] The bearing device comprises a base, a stand column is installed on the base, a support beam is installed on the upper end of the stand column, a connecting plate is installed on the lower end of the stand column, and the connecting plate is arranged at the lower end of the support beam.
[0007] Further, a slot hole is arranged on the support beam, a limiting groove one is arranged on the side wall of the stand column, a limiting groove two is arranged on the upper wall of the connecting plate, the model frame is movably clamped in the limiting groove one and the limiting groove two respectively, and a pulley is movably installed on the upper end of the stand column.
[0008] Wherein, the structure of the driving device one and the driving device two is same, here only one group is introduced, the driving device one includes the mounting seat, the mounting seat is equipped on the bottom plate, the mounting seat is installed with the winding rod, one side of the mounting seat side wall is installed with the motor, the output shaft end of the motor is connected with the winding rod, the winding rod is wound with the steel wire rope respectively, the steel wire rope is connected with the model frame after passing through the pulley and the slot hole.
[0009] Wherein, the model frame includes the model frame, the model frame is the rectangular frame structure, the upper and lower and the left and right and the front and back are provided with the constraint baffle, ensure the horizontal connection under different inclination, in order to enhance the strength and the anti deformation ability of the left and right side baffle, the back surface is welded with the circular steel plate at equal intervals, the side wall of the model frame is installed with the limiting rod one and the limiting rod two, the both ends of the limiting rod one are movably installed with the roller one, the both ends of the limiting rod two are installed with the roller two, the both sides of the roller one are installed with the limiting plate one, the both sides of the roller two are installed with the limiting plate two, the limiting plate one and the roller one are movably connected in the limiting groove one, the limiting plate two and the roller two are movably connected in the limiting groove two, the roller one and the roller two are provided with the brake function, convenient for fixing the model frame.
[0010] Further, the upper wall of the model frame is installed with the connecting piece one, the other side wall of the model frame is installed with the connecting piece two, the connecting piece one is connected with the steel wire rope on the driving device one, the connecting piece two is connected with the steel wire rope on the driving device two.
[0011] Wherein, the side wall of the model frame is further installed with the inclination sensor, convenient for detecting the inclination degree of the model frame.
[0012] Wherein, the protection net is arranged on the left and right ends of the stand column, to prevent the experimental personnel from touching the steel wire rope by mistake, and ensure the operation safety.
[0013] After adopting the above structure, the beneficial effects of the present application are as follows:
[0014] 1. Improve the material laying stability: by rotating the model frame, the material is laid along the horizontal direction, avoiding the material from sliding down, and ensuring the stability of the whole model.
[0015] 2. Reduce the rock deformation: after the model is dried, it is rotated back to the horizontal state, keeping the rock structure, reducing the deformation, and improving the accuracy of experimental data.
[0016] 3. Simplify the installation and operation: the simple rotating mechanism is designed, which is convenient for the installation and operation of the model frame, and improves the experimental efficiency.
[0017] 4. Expand the experimental types: from two-dimensional to three-dimensional structure, supporting the simulation experiment of various coal mining methods. BRIEF DESCRIPTION OF DRAWINGS
[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.
[0019] Figure 1 A structure schematic view of a three-dimensional rotatable steeply inclined coal seam similar model experimental device is provided for the present application;
[0020] Figure 2 A perspective view of a three-dimensional rotatable steeply inclined coal seam similar model experimental device is provided for the present application;
[0021] Figure 3 A Figure 2 A partial enlarged view of A in the figure;
[0022] Figure 4 A perspective view of a model frame is provided for the present application.
[0023] In the drawings: 1, bottom plate, 2, bearing device, 3, driving device one, 4, driving device two, 5, model frame, 6, base, 7, stand column, 8, support beam, 9, connecting plate, 10, slot hole, 11, limit groove one, 12, limit groove two, 13, pulley, 14, mounting seat, 15, winding rod, 16, motor, 17, steel wire rope, 18, model frame, 19, limit rod one, 20, limit rod two, 21, roller one, 22, roller two, 23, limit plate one, 24, limit plate two, 25, connecting piece one, 26, connecting piece two. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0026] AsFigures 1-4 As shown, a three-dimensional rotatable steeply inclined coal seam similar model experiment device, including the base plate 1, the base plate 1 corresponds to the slope in the actual application, the base plate 1 is installed on the bearing device 2 and driving device for supporting and connecting, the driving device is provided with two groups, respectively driving device one 3 and driving device two 4, the bearing device 2 is movably installed on the model frame 5, the driving device one 3 is connected with the upper wall of the model frame 5 under the limit of bearing device 2, the driving device two 4 is connected with the side wall of the model frame 5 under the limit of bearing device 2.
[0027] The bearing device 2 includes the base 6, the base 6 is installed on the column 7, the column 7 upper end is installed on the support beam 8, the lower end of the column 7 is installed on the connecting plate 9, the connecting plate 9 is arranged at the lower end of the support beam 8.
[0028] The support beam 8 is provided with a slot hole 10, the side wall of the column 7 is provided with a limiting groove one 11, the upper wall of the connecting plate 9 is provided with a limiting groove two 12, the model frame 5 is movably clamped in the limiting groove one 11 and the limiting groove two 12 respectively, the upper end of the column 7 is movably installed with a pulley 13.
[0029] The driving device one 3 and the driving device two 4 are the same structure, only one of them is introduced here, the driving device one 3 includes the mounting seat 14, the mounting seat 14 is arranged on the base plate 1, the mounting seat 14 is installed with the winding rod 15, one side of the mounting seat 14 side wall is installed with the motor 16, the output shaft end of the motor 16 is connected with the winding rod 15, the winding rod 15 is wound with the steel wire rope 17 respectively, the steel wire rope 17 is movably through the pulley 13 and the slot hole 10 and connected with the model frame 5.
[0030] The model frame 5 includes the model frame 18, the model frame 18 is a rectangular frame structure, the upper and lower and left and right and front and back are provided with constraint baffle, ensure the horizontal connection under different inclination, in order to enhance the strength and anti deformation ability of left and right side baffle, the back surface is welded with circular steel plate at equal interval, the side wall of the model frame 18 is installed with the limiting rod one 19 and the limiting rod two 20, the both ends of the limiting rod one 19 are movably installed with the roller one 21, the both ends of the limiting rod two 20 are installed with the roller two 22, the both sides of the roller one 21 are installed with the limiting plate one 23, the both sides of the roller two 22 are installed with the limiting plate two 24, the limiting plate one 23 and the roller one 21 are movably clamped in the limiting groove one 11, the limiting plate two 24 and the roller two 22 are movably clamped in the limiting groove two 12, the roller one 21 and the roller two 22 are provided with brake function, convenient for fixing the model frame 18.
[0031] The upper wall of the model frame 18 is provided with a connecting piece one 25, and the other side wall of the model frame 18 is provided with a connecting piece two 26, the connecting piece one 25 is connected with the steel wire rope 17 on the driving device one 3, and the connecting piece two 26 is connected with the steel wire rope 17 on the driving device two 4;
[0032] In the embodiment, when the angle of the model frame 18 needs to be adjusted, the motors 16 of the driving device one 3 and the driving device two 4 work at the same time to wind the steel wire rope 17, the steel wire rope 17 is wound on the winding rod 15, the steel wire rope 17 of the driving device one 3 pulls the upper wall of the model frame 18, and the steel wire rope 17 of the driving device two 4 pulls the side wall of the model frame 18, so that the roller one 21 and the limiting plate one 23 move downward along the limiting groove one 11, the roller two 22 and the limiting plate two 24 move leftward along the limiting groove two 12, and after rotating by a certain angle, the model frame 18 stops moving, the material is laid horizontally in the model frame 18, and after the material in the model frame 18 is cured and maintained well, the model frame 18 is turned into a horizontal state, because the simulated geological prototype is a rectangle, if the material is laid first and then rotated to a specified angle, the material in the model frame 18 will be arranged in a diamond shape, additional mechanical analysis needs to be considered in the simulation process, and it is also not safe to operate and measure on the model frame 5 at an angle, therefore, the present application is designed.
[0033] The side wall of the model frame 18 is also provided with an inclination sensor, so as to facilitate detection of the inclination degree of the model frame 18.
[0034] The left and right ends of the stand 7 are provided with protective nets to prevent the experimenters from touching the steel wire rope 17 by mistake and ensure the safety of operation.
[0035] Specific use:
[0036] (1) Model frame 18 preparation: clean the existing mining experiment plane of the laboratory to ensure that the slope surface is flat.
[0037] (2) Drilling and fixing: drill anchor rod holes on the slope surface for fixing the model frame 5, each model frame 5 contains four anchor rods, and the drilling interval is determined according to the size of the model frame 5.
[0038] (3) Installation of the model frame 5: fix the model frame 5 to the slope surface through the anchor rods to ensure its stability.
[0039] (4) Connection of the rotating system: install the steel wire rope 17 and the sliding wheel, connect the motor 16 and the steel wire rope 17, and adjust to the actual inclination angle of the coal seam.
[0040] (5) Material laying: lay the coal and rock layer material in the horizontal direction to avoid sliding and deformation.
[0041] (6) Rotation fixation: after the material is laid and air-dried, the model frame 5 is rotated back to the horizontal state, and the experiment preparation is completed.
[0042] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by it, without departing from the purpose of the present application, without creative design, similar structure and embodiments to the technical scheme should belong to the protection scope of the present application.
Claims
1. A three-dimensional rotatable steeply inclined coal seam similarity model experiment device, characterized in that, Including bottom plate, the bottom plate is installed with the bearing device and drive device for support and connection, the drive device is equipped with two groups, drive device one and drive device two respectively, the bearing device is movably installed with model frame, drive device one is connected with the upper wall of model frame under the limit of bearing device, drive device two is connected with the side wall of model frame under the limit of bearing device.
2. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 1, characterized in that, The bearing device includes a base, the base is installed with a column, the column is installed with a support beam at the upper end, the lower end of the column is installed with a connecting plate, the connecting plate is arranged at the lower end of the support beam.
3. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 2, characterized in that, The support beam is provided with a slot hole, the side wall of the column is provided with a limiting groove one, the upper wall of the connecting plate is provided with a limiting groove two, the model frame is movably clamped in the limiting groove one and the limiting groove two respectively, the upper end of the column is movably installed with a pulley.
4. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 3, characterized in that, The drive device one and the drive device two are the same structure, the drive device one includes a mounting seat, the mounting seat is arranged on the bottom plate, the mounting seat is installed with a winding rod, one side wall of the mounting seat is installed with a motor, the output shaft end of the motor is connected with the winding rod, the winding rod is respectively wound with a steel wire rope, the steel wire rope is movably connected with the model frame through the pulley and the slot hole.
5. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 4, characterized in that, The model frame includes a model frame, the model frame is a rectangular frame structure, the side wall of the model frame is installed with a limiting rod one and a limiting rod two, both ends of the limiting rod one are movably installed with a roller one, both ends of the limiting rod two are installed with a roller two, both sides of the roller one are installed with a limiting plate one, both sides of the roller two are installed with a limiting plate two, the limiting plate one and the roller one are movably clamped in the limiting groove one, the limiting plate two and the roller two are movably clamped in the limiting groove two.
6. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 5, characterized in that, The upper wall of the model frame is installed with a connecting piece one, the other side wall of the model frame is installed with a connecting piece two, the connecting piece one is connected with the steel wire rope on the drive device one, the connecting piece two is connected with the steel wire rope on the drive device two.
7. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 5, characterized in that, The side wall of the model frame is also installed with an inclination sensor.
8. The three-dimensional rotatable steeply inclined coal seam similarity model experiment device according to claim 2, characterized in that, The columns at both ends are provided with protective nets.