CN112858635A - Full-automatic collapse disaster test system controlled by electric cylinder - Google Patents
Full-automatic collapse disaster test system controlled by electric cylinder Download PDFInfo
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- CN112858635A CN112858635A CN202110124070.8A CN202110124070A CN112858635A CN 112858635 A CN112858635 A CN 112858635A CN 202110124070 A CN202110124070 A CN 202110124070A CN 112858635 A CN112858635 A CN 112858635A
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Abstract
The invention discloses a full-automatic collapse disaster testing system controlled by an electric cylinder, belonging to the technical field of rock mass stability; the device comprises a test control device and a data acquisition and analysis system; the test control device consists of a dangerous rock mass release device, a horizontal control device and a slope control device, wherein the dangerous rock mass release device consists of a control frame, a vertical screw rod, a rock fixing device and a weight box which are connected; the horizontal control device consists of a base, a walking slideway and a horizontal lead screw; the slope surface control device is formed by connecting a support frame, a connecting steel sheet, a rotary electric cylinder and a slope surface placing frame; the data acquisition and analysis system is composed of a sensor and a high-speed camera which are connected with a computer control system. According to the dangerous rock mass release device, the dangerous rock mass release height, the horizontal distance and the horizontal included angle are controlled through the dangerous rock mass release device, the horizontal control device and the slope surface control device respectively, and the rock collapse and roll-off movement track and speed are tested through the data acquisition and analysis system, so that collapse disaster behavior characteristics are obtained.
Description
Technical Field
The invention relates to a rock mass collapse disaster test system, in particular to an electric cylinder control full-automatic collapse disaster test system, and belongs to the technical field of rock mass stability.
Background
The excavation of the steep side slope changes the balance of the original geological environment, so that geological disasters such as landslide and collapse are easy to occur, and a large amount of casualties and property loss are caused. Because the rock mass is deformed greatly and the failure speed is high when the high and steep rock mass collapses and loses stability, and the rock mass has strength difference, the prior art is difficult to carry out the physical experiment of the high and steep rock mass. When the high and steep slope rock mass is researched, the collapse failure mechanism of the high and steep rock mass can be simulated by a physical model test method, so that the whole process of the instability failure of the high and steep rock mass is analyzed.
Most of the currently used releasing devices are suspension type releasing devices, and the principle of the releasing device is that a heavy object is suspended in the air, and an experimenter pulls open a bolt to release the heavy object. However, the existing collapse simulation experiment device has single function and cannot simulate collapse damage conditions under different conditions, and when a slope angle and a slope height change, a sensor cannot be connected with different tested objects, and the experiment device is heavy and poor in operation adaptability.
Disclosure of Invention
The purpose of the invention is: the problem of the collapse destruction condition under the different circumstances of current simulation experimental apparatus that collapses function singleness can't be simulated is overcome, an electric cylinder control full-automatic disaster test system that collapses is provided, through dangerous rock mass release, the release height, horizontal distance and the horizontal contained angle of control danger rock mass respectively of horizontal control device and domatic controlling means, can simulate different slopes, the overall process energy change that different size danger rock masses collapse and fall, and through data acquisition analytic system test rock collapse roll-off movement track and speed, reachs the disaster behavior characteristic that collapses.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric cylinder control full-automatic collapse disaster test system comprises a test control device and a data acquisition and analysis system; the test control device consists of a dangerous rock mass release device, a horizontal control device and a slope control device, the dangerous rock mass release device consists of a control frame, a vertical lead screw, a rock fixing device and a weight box which are connected, the control frame is vertically arranged on the horizontal control device, the upper end of the control frame is in through connection with the vertical lead screw, two sides of the control frame are in sliding connection with the rock fixing device, and the weight box is connected to the rock fixing device; the horizontal control device consists of a base, a walking slideway and a horizontal screw rod, the base is horizontally arranged, two sides of the upper end surface of the base are connected with the walking slideway, the middle of the upper end surface of the base is connected with the horizontal screw rod, and the lower end of the control frame is connected in the walking slideway in a sliding manner and is connected with the horizontal screw rod; the slope surface control device is positioned above the horizontal control device and is formed by connecting a support frame, a connecting steel sheet, a rotary electric cylinder and a slope surface placing frame, the two support frames are arranged, the upper ends of the two support frames are rotatably connected with the slope surface placing frame, the middle of the two support frames are fixedly connected through the connecting steel sheet, and the rotary electric cylinder is connected between the slope surface placing frame and the connecting steel sheet; the data acquisition and analysis system is composed of a sensor and a high-speed camera which are connected with a computer control system.
The control frame is connected the crossbearer, the lower extreme is connected the chassis by two grudging posts upper end and is constituteed, the upper end through connection of perpendicular lead screw is in on the crossbearer, rock fixing device's both sides and two sliding connection, middle part are rotated about the grudging post and are connected on the perpendicular lead screw, heavy object box fixed connection is in rock fixing device's lower extreme, the both ends sliding connection of chassis is in the walking slide, the middle part is rotated and is connected on the horizontal lead screw.
The vertical lead screw and the horizontal lead screw are connected with a lead screw controller through lines, the vertical lead screw inputs numerical values through the lead screw controller to control the release height of the weight box, and the horizontal lead screw inputs numerical values through the lead screw controller to control the release horizontal distance between the weight box and the slope surface mounting frame.
The inside of heavy object box sets up the danger rock mass, connect box mouth controller through the circuit on the heavy object box to through box mouth controller control the automation of heavy object box opens and shuts the release danger rock mass.
The two support frames are fixedly welded through the connecting steel sheets, the connecting steel sheets are connected with the slope surface placing frame through the rotating electric cylinders which support and adjust the release horizontal included angle of the weight box, and the rotating electric cylinders are connected with the slope surface placing frame and the connecting steel sheets through bolts.
The slope surface placing frame is located above the base and is rotatably connected to the two supporting frames, the upper end of the slope surface placing frame is connected with a measured piece, the sensor is provided with a plurality of sensors which are connected to the slope surface placing frame and the upper end face of the slope surface placing frame between the measured pieces, and the high-speed camera is provided with two cameras which are respectively arranged on two sides of the measured piece.
The slope surface placing frame is of a truss structure formed by splicing beam plates and triangular inclined struts, the beam plates are arranged in parallel and are multiple and parallel, two ends between the beam plates are connected through the triangular inclined struts, the outer end surfaces of the triangular inclined struts are flush with the two end surfaces of the beam plates, each beam plate is evenly distributed with multiple measuring points, and the sensors are correspondingly connected to the measuring points respectively.
The sensor is connected with the computer control system to continuously collect the normal force and normal deformation value of the designated position on the tested piece in the moving process after the dangerous rock body collapses, the two high-speed cameras adopt FR800 high-speed cameras, and the high-speed cameras are connected with the computer control system and utilize TEMA software to collect the moving speed direction, the displacement direction and the acceleration direction of the dangerous rock body.
The measured piece is made of acrylic plates, wood plates or lawns and the like and is fixedly connected to the slope surface placing frame through bolts.
The invention has the beneficial effects that: 1) according to the dangerous rock mass collapse disaster simulation experiment device, the release height, the horizontal distance and the horizontal included angle of the dangerous rock mass are respectively controlled through the dangerous rock mass release device, the horizontal control device and the slope control device, the whole process energy change of collapse and falling of dangerous rock masses with different slopes and different sizes can be simulated, the rock collapse and fall movement track and speed are tested through the data acquisition and analysis system, the collapse disaster behavior characteristics are obtained, the problem that the existing collapse simulation experiment device is single in function and cannot simulate collapse damage conditions under different conditions is solved, and the device is simple in structure, convenient to test and high in efficiency.
2) According to the dangerous rock body release device and the horizontal control device, the lead screw controller is adopted to input numerical values to control the release height and the release horizontal distance of the dangerous rock body, the test requirements under the conditions of different release heights and release horizontal distances are met, the purpose of full-automatic control is achieved, the device is simple to operate, safe and effective, and test data are accurate.
3) The slope control device provided by the invention supports and adjusts the release horizontal included angle of the dangerous rock mass by adopting a mode of combining the rotatable slope mounting frame and the rotary electric cylinder, the slope mounting frame is characterized in that a plurality of measuring points are arranged on the upper end surface of a truss structure and are respectively connected with the sensors, the measured body is positioned at the upper ends of the sensors, when the measured body made of different materials is replaced, the problem that the measured body cannot be connected with the sensors for testing due to the material of the measured body is avoided, the normal force and the normal deformation value of the measured body made of different materials under different slopes can be simulated, and the device has a wide application range.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a side view of fig. 1.
In the figure, 1-a control frame, 101-a vertical frame, 102-a transverse frame, 103-an underframe, 2-a vertical screw rod, 3-a rock fixing device, 4-a weight box, 5-a base, 6-a walking slideway, 7-a horizontal screw rod, 8-a support frame, 9-a connecting steel sheet, 10-a rotating electric cylinder, 11-a slope placing frame, 1101-a beam plate, 1102-a triangular inclined strut, 1103-a measuring point and 12-a measured piece.
Detailed Description
The invention is further explained below with reference to the figures and the embodiments.
Example (b): as shown in fig. 1 to 4, the full-automatic collapse disaster testing system for electric cylinder control according to the present invention includes a testing control device and a data acquisition and analysis system; the test control device consists of a dangerous rock body release device, a horizontal control device and a slope control device, the dangerous rock body release device consists of a control frame 1, a vertical screw rod 2, a rock fixing device 3 and a weight box 4 which are connected, the control frame 1 is vertically connected to the horizontal control device, the upper end of the control frame 1 is connected with the vertical screw rod 2 in a penetrating way, two sides of the control frame are connected with the rock fixing device 3 in a sliding way, and the weight box 4 is connected to the rock fixing device 3; the horizontal control device consists of a base 5, a walking slideway 6 and a horizontal screw 7, wherein the base 5 is horizontally arranged, two sides of the upper end surface of the base are connected with the walking slideway 6, the middle of the upper end surface of the base is connected with the horizontal screw 7, and the lower end of the control frame 1 is connected in the walking slideway 6 in a sliding manner and is connected with the horizontal screw 7; the slope control device is positioned above the horizontal control device and is formed by connecting two support frames 8, a connecting steel sheet 9, a rotary electric cylinder 10 and a slope placing frame 11, the two support frames 8 are connected, the upper ends of the two support frames are rotatably connected with the slope placing frame 11, the middle parts of the two support frames are fixedly connected through the connecting steel sheet 9, and the rotary electric cylinder 10 is connected between the slope placing frame 11 and the connecting steel sheet 9; the data acquisition and analysis system consists of a sensor and a high-speed camera which are connected with a computer control system.
The vertical lead screw 2 and the horizontal lead screw 7 are both connected with a lead screw controller through lines, the vertical lead screw 2 inputs numerical values through the lead screw controller to control the release height of the weight box 4, and the horizontal lead screw 7 inputs numerical values through the lead screw controller to control the release horizontal distance between the weight box 4 and the slope surface mounting frame 11.
Dangerous rock mass is placed to the inside of heavy object box 4, connects box mouth controller through the circuit on the heavy object box 4 to through the automatic opening and shutting release dangerous rock mass of box mouth controller control heavy object box 4.
Two support frames 8 are fixed by welding through a connecting steel sheet 9, the connecting steel sheet 9 and the slope surface placing frame 11 are supported by connecting two rotary electric cylinders 10 and adjusting the release horizontal included angle of the weight box 4, and the two rotary electric cylinders 10 are connected to the slope surface placing frame 11 and the connecting steel sheet 9 through bolts.
The slope surface placing frame 11 is located above the base 5 and is rotatably connected onto the two supporting frames 8, the upper end of the slope surface placing frame 11 is connected with the tested piece 12, the sensor is provided with a plurality of sensors and is connected onto the upper end surface of the slope surface placing frame 11 between the slope surface placing frame 11 and the tested piece 12, and the high-speed camera is provided with two cameras and is respectively arranged on two sides of the tested piece 12.
The slope surface placing frame 11 is a truss structure formed by splicing beam plates 1101 and triangular inclined struts 1102, the beam plates 1101 are arranged in parallel, two ends between two parallel beam plates 1101 are connected through the triangular inclined struts 1102, the outer end faces of the triangular inclined struts 1102 are flush with two end faces of the beam plates 1101, a plurality of measuring points 1103 are distributed on each beam plate 1101, and a plurality of sensors are correspondingly connected to the measuring points 1103 respectively.
The sensor is connected with a computer control system to continuously acquire the normal force and normal deformation value of the designated position on the tested piece 12 in the moving process after the dangerous rock body collapses, the two high-speed cameras adopt FR800 high-speed cameras, and the high-speed cameras are connected with the computer control system and acquire the moving speed direction, the displacement direction and the acceleration direction of the dangerous rock body by using TEMA software.
The measured piece 12 is made of acrylic boards, wood boards or lawns and the like and is fixedly connected to the slope surface mounting frame 11 through bolts.
The weight of the dangerous rock mass test block is 0-5kg, the adjusting range of the vertical wire cylinder is 0-2m, and the adjusting range of the horizontal included angle is 0-90 degrees.
The specific test process is as follows:
1) the measured piece 12 (wood board, acrylic board, lawn) made of different materials is installed on the slope surface installation frame 11, the slope gradient of the slope is set, namely, the slope gradient of the slope panel (namely the measured piece 12) is adjusted in a rotating mode through the rotating electric cylinder 10.
2) And a sensor for measuring the slope deformation and force of the side slope is installed at a measuring point 1103 of the slope mounting frame 11.
3) In placing the heavy object box 4 with the dangerous rock mass, set up the height of dangerous rock mass through perpendicular lead screw controller, control perpendicular lead screw 2 motion simultaneously, adjust heavy object box 4 to appointed high position.
4) And adjusting the horizontal screw rod 7 to set a horizontal distance so that the weight box 4 moves to the upper part of the slope surface placing frame 11.
5) And controlling the weight box 4 to open to release the dangerous rock mass, and acquiring the deformation and force sensor values of the dangerous rock mass in the motion track and collision process on the slope panel.
6) Two high-speed cameras are arranged on two sides of the test bed, each camera is connected with a computer and a signal generator, the falling position and the action track of the dangerous rock body at each moment are recorded, and images and data are transmitted to the computer for processing.
According to the invention, through controlling the release height, the horizontal distance and the horizontal included angle of the dangerous rock mass, the whole process energy change of collapse and falling of dangerous rock masses with different gradients and different sizes can be simulated, different collapse and damage conditions are simulated, the obtained experimental data is real and effective, the displacement and speed information of the falling process are collected through the high-speed camera, the whole experimental device is controlled through the electric cylinder, the operation is simple, safe and effective, and the technical support is provided for the dangerous rock mass collapse experimental method.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a full-automatic calamity test system that collapses of electric cylinder control which characterized in that: the device comprises a test control device and a data acquisition and analysis system; the test control device comprises a dangerous rock mass release device, a horizontal control device and a slope control device, wherein the dangerous rock mass release device is formed by connecting a control frame (1), a vertical lead screw (2), a rock fixing device (3) and a weight box (4), the control frame (1) is vertically arranged on the horizontal control device, the upper end of the control frame (1) is connected with the vertical lead screw (2) in a penetrating manner, two sides of the control frame are connected with the rock fixing device (3) in a sliding manner, and the weight box (4) is connected to the rock fixing device (3); the horizontal control device is composed of a base (5) connected with a walking slideway (6) and a horizontal lead screw (7), the base (5) is horizontally arranged, two sides of the upper end surface of the base are connected with the walking slideway (6), the middle of the upper end surface of the base is connected with the horizontal lead screw (7), and the lower end of the control frame (1) is connected in the walking slideway (6) in a sliding manner and is connected with the horizontal lead screw (7); the slope control device is positioned above the horizontal control device and is formed by connecting a support frame (8), a connecting steel sheet (9), a rotary electric cylinder (10) and a slope arrangement frame (11), the two support frames (8) are arranged, the upper ends of the two support frames are rotatably connected with the slope arrangement frame (11), the middle parts of the two support frames are fixedly connected through the connecting steel sheet (9), and the rotary electric cylinder (10) is connected between the slope arrangement frame (11) and the connecting steel sheet (9); the data acquisition and analysis system is composed of a sensor and a high-speed camera which are connected with a computer control system.
2. The electric cylinder control full-automatic collapse disaster testing system according to claim 1, characterized in that: control frame (1) is connected crossbearer (102), lower extreme by two grudging post (101) upper ends and connects chassis (103) and constitutes, the upper end through connection of perpendicular lead screw (2) is in on crossbearer (102), the both sides and two of rock fixing device (3) grudging post (101) sliding connection, middle part rotate and connect on perpendicular lead screw (2), heavy object box (4) fixed connection be in the lower extreme of rock fixing device (3), the both ends sliding connection of chassis (103) is in walking slide (6), the middle part rotates and connects be in on horizontal lead screw (7).
3. The electric cylinder control full-automatic collapse disaster testing system according to claim 2, characterized in that: the vertical lead screw (2) and the horizontal lead screw (7) are connected with a lead screw controller through lines, the vertical lead screw (2) inputs numerical values through the lead screw controller to control the release height of the weight box (4), and the horizontal lead screw (7) inputs numerical values through the lead screw controller to control the distance between the weight box (4) and the release horizontal distance of the slope surface mounting frame (11).
4. The electric cylinder control full-automatic collapse disaster testing system according to claim 3, wherein: the dangerous rock mass is arranged inside the weight box (4), the weight box (4) is connected with a box opening controller through a line, and the box opening controller controls the automatic opening and closing of the weight box (4) to release the dangerous rock mass.
5. The electric cylinder control full-automatic collapse disaster testing system according to claim 1, characterized in that: two pass through between support frame (8) connect steel sheet (9) welded fastening, connect steel sheet (9) with through connecting two between domatic arrangement frame (11) rotatory electric jar (10) support and adjust the horizontal contained angle of release of heavy object box (4), two rotatory electric jar (10) all pass through bolted connection domatic arrangement frame (11) with connect on the steel sheet (9).
6. The electric cylinder control full-automatic collapse disaster testing system according to claim 1, characterized in that: domatic place frame (11) are located the top and the rotation of base (5) are connected two on support frame (8), surveyed piece (12) is connected to the upper end of domatic place frame (11), the sensor is provided with a plurality ofly and connects domatic place frame (11) with between being surveyed piece (12) on the domatic place frame (11) up end, the high-speed camera is provided with two and sets up respectively be surveyed the both sides of piece (12).
7. The electric cylinder control full-automatic collapse disaster testing system according to claim 6, wherein: the slope surface placing frame (11) is of a truss structure formed by splicing beam plates (1101) and triangular inclined struts (1102), the beam plates (1101) are arranged in parallel, two ends of the beam plates (1101) are parallel to each other and are connected through the triangular inclined struts (1102), the outer end faces of the triangular inclined struts (1102) are flush with the two end faces of the beam plates (1101), a plurality of measuring points (1103) are uniformly distributed on each beam plate (1101), and the sensors are correspondingly connected to the measuring points (1103) respectively.
8. The electric cylinder control full-automatic collapse disaster testing system according to claim 6, wherein: the sensor is through connecting after the computer control system gathers the dangerous rock mass collapse in succession, in the motion process the normal force and the normal deformation value of assigned position on the measured piece (12), two high-speed camera all adopt FR800 high-speed camera, high-speed camera is through connecting computer control system utilizes TEMA software to gather the movement velocity direction, displacement direction and the acceleration direction of dangerous rock mass.
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| CN202110124070.8A CN112858635A (en) | 2021-01-29 | 2021-01-29 | Full-automatic collapse disaster test system controlled by electric cylinder |
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| CN202110124070.8A CN112858635A (en) | 2021-01-29 | 2021-01-29 | Full-automatic collapse disaster test system controlled by electric cylinder |
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Application publication date: 20210528 |