CN210322746U - Multifunctional device for measuring adhesion force between dredging cutter teeth and clay and optimizing cutter teeth - Google Patents
Multifunctional device for measuring adhesion force between dredging cutter teeth and clay and optimizing cutter teeth Download PDFInfo
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- CN210322746U CN210322746U CN201920631096.XU CN201920631096U CN210322746U CN 210322746 U CN210322746 U CN 210322746U CN 201920631096 U CN201920631096 U CN 201920631096U CN 210322746 U CN210322746 U CN 210322746U
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Abstract
The application relates to the field of dredging engineering in hydraulic engineering, and discloses a multifunctional device for dredging cutter tooth and clay adhesion force determination and cutter tooth optimization, which comprises a water tank, a loading mechanism, a consolidated soil sample box, a drawing mechanism, a drawing and pressing sensor, a computer control system and the like. In the testing process, the pulling force is measured through the pulling and pressing sensor, and the data are collected in real time through the computer control system. The device can prepare soil samples with different strengths; the tangential adhesive force between the metal test plate of the dredging cutter tooth and the clay under the conditions of different overlying loads, different operating speeds, different materials and different roughness degrees can be measured under the atmospheric or water immersion environment, and the real-time acquisition of data can be realized; and the main factors influencing the adhesion between the dredging cutter teeth and the clay can be distinguished and the optimal combination for reducing the adhesion can be determined according to the measurement results of different factor combinations, so as to guide the research and development and the manufacture of the novel dredging cutter teeth.
Description
Technical Field
The application relates to the field of dredging engineering in hydraulic engineering, in particular to a multifunctional device for measuring adhesion between dredging cutter teeth and clay and optimizing the cutter teeth.
Background
Dredging engineering has been ancient, and as time goes on, dredging tools have evolved from ancient artificial tools to now being replaced by machines, such as dredger and the like. With the economic development and the social progress, the development of dredging technical equipment faces the requirements of energy conservation and environmental protection.
At present, a trailing suction dredger is mostly used for dredging soft clay; the cutter suction dredger is more suitable for dredging hard clay. Whatever the type of clay, the clay adheres to the tooth surface of the cutter teeth due to the cohesive force, so that the cutting resistance is increased, the dredging efficiency is reduced, and the energy consumption is increased.
Therefore, how to measure the adhesion between the teeth of the dredging cutter and the clay and independently research and develop the high-efficiency teeth of the dredging cutter become difficult problems to be solved urgently in the technical field of dredging in China. However, at present, a practical and effective measuring method is still lacked at home and abroad, and the dredging cutter tooth is usually designed according to engineering experience and has great blindness. In order to make up the limitation of theoretical analysis, the independent research and development of the novel dredging cutter tooth are urgently needed to be combined with a simple and feasible adhesion force measuring test for analysis, the key technology is how to simulate the mode that the adhesion force between the cutter tooth and clay is reduced by adjusting the material and the surface roughness of the dredging cutter tooth and the advancing speed of the cutter tooth under a certain excavation condition, the research and development of the novel cutter tooth are carried out from the underwater dredging cutter tooth and clay adhesion force measuring test, and the report of the device is not found at present.
Disclosure of Invention
In order to overcome the defects in the prior art, the multifunctional device for measuring the adhesion force between the dredging cutter teeth and clay and optimizing the cutter teeth is provided, is suitable for the field of dredging engineering, and can meet various requirements for measuring the tangential adhesion force between the dredging cutter teeth and the clay in the field of dredging. The device makes the clay solidify under different pressures through consolidation soil sample box and pressure device to prepare the soil sample of different intensity. The tangential adhesion between the metal material of the dredging cutter teeth and the clay under the conditions of different overlying loads, different running speeds, different materials and different roughness degrees can be measured in the atmosphere or in a water-immersed environment through the set of device, and the real-time acquisition of data can be realized. The main factors influencing the size of the adhesion between the dredging cutter teeth and the clay can be distinguished by the measuring results of the different factor combinations and the existing orthogonal test analysis software, and the optimal combination for reducing the adhesion is determined, so that the research and development and the manufacture of the novel dredging cutter teeth are guided.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a multifunctional device for measuring the adhesion force between a dredging cutter tooth and clay and optimizing the cutter tooth comprises a base, a water tank, a loading mechanism, a consolidated soil sample box, a drawing mechanism, a drawing and pressing sensor and a computer control system;
wherein, the water tank is arranged on the base; the consolidated soil sample box is detachably arranged in the water tank and is used for manufacturing soil samples with different strengths; the drawing soil sample box is detachably arranged in the water tank and is used for containing the soil sample; the loading mechanism is arranged above the water tank and used for applying vertical loads to the consolidated soil sample box and the drawing soil sample box; the drawing mechanism comprises a dredging cutter tooth metal test plate, and the dredging cutter tooth metal test plate is arranged in a drawing soil sample box in a penetrating mode and used for carrying out drawing tests on the soil sample; the tension and compression sensor is connected with a metal test plate of the dredging cutter tooth and is used for acquiring the magnitude of the drawing force in real time; the computer control system is respectively connected with the loading mechanism, the drawing mechanism and the drawing and pressing sensor, and is used for controlling the vertical pressure applied by the loading mechanism, the drawing speed of the drawing mechanism and the drawing force acquired by the drawing and pressing sensor.
Further, the computer control system is provided with orthogonal test analysis software for judging main factors influencing the size of the adhesion between the metal test plate of the dredging cutter tooth and the clay and reducing the optimal combination of the adhesion according to the measurement result of the tangential adhesion between the metal test plate of the dredging cutter tooth and the clay under different overlying loads, different operating speeds, different materials and different roughness degrees under the atmospheric or submerged environment.
Further, the loading mechanism comprises a dowel bar, a cylinder, a loading reaction frame, a pressurizing plate and an air compressor;
the loading reaction frame is arranged on the water tank and connected with the air cylinder, the air cylinder is connected with the air compressor, the bottom of the air cylinder is connected with the pressure plate through a dowel bar, the pressure plate is positioned above the position of the consolidated soil sample box or the drawing soil sample box, and the size of the pressure plate is the same as the size of the upper top surface of the soil sample loaded in the drawing soil sample box and the consolidated soil sample box;
the air compressor is connected with the computer control system, and the computer control system controls the size of vertical pressure applied to the soil sample in the solidified soil sample box or the drawn soil sample box by the air cylinder.
Furthermore, the drawing mechanism also comprises a roller bracket, rollers, a trolley, a vertical pulling plate, a transverse pulling plate, a transmission shaft, a track and a servo motor;
two tracks are arranged at the top of the water tank, a trolley is movably arranged on the two tracks, and meanwhile, a servo motor is connected with the trolley through a transmission shaft and can drive the trolley to move on the tracks; the bottom of the trolley is connected with a vertical pulling plate, the vertical pulling plate is connected with a horizontally arranged transverse pulling plate, the transverse pulling plate is connected with a metal test plate of the dredging cutter teeth, and the transverse pulling plate and the metal test plate of the dredging cutter teeth are positioned at the same horizontal position;
the rotation of the servo motor is converted into the translation of the trolley through a transmission shaft, and the soil sample in the soil sample drawing box is subjected to drawing test through driving a dredging cutter tooth metal test plate through a vertical pulling plate and a transverse pulling plate; the servo motor is also connected with a computer control system, and the computer control system is used for controlling the drawing speed of the metal test plate of the teeth of the dredging cutter.
Further, the bottom in the water tank is provided with two groups of roller supports, an upper row of rollers and a lower row of rollers with adjustable height are all installed on each group of roller supports, the upper row of rollers and the lower row of rollers are all horizontally arranged, the distance between the upper row of rollers and the lower row of rollers is equal to the thickness of the transverse pulling plate, and the two sides of the transverse pulling plate are respectively movably arranged between the upper row of rollers and the lower row of rollers in a penetrating mode.
Further, a mounting hole is formed in the roller bracket, and the roller is mounted on the roller bracket through the mounting hole; meanwhile, the mounting hole has a certain length so as to adjust the mounting height of the roller.
Furthermore, the tension and compression sensor is arranged on the transverse pulling plate and connected with the computer control system, and the pulling force is collected in real time through the computer control system.
Furthermore, a horizontal opening is formed in the drawing soil sample box and used for placing a dredging cutter tooth metal test plate for drawing tests on soil samples.
Further, the consolidation soil sample box comprises a steel plate, a hoop and a permeable plate;
the steel sheet is assembled through the hoop and is formed detachable mobile device itself, and this mobile device's all around and bottom set up the porous disk simultaneously and constitute concretion soil sample box.
Furthermore, a stop lever is arranged at the bottom in the water tank and used for fixing and solidifying the soil sample box or drawing the soil sample box, and a drainage valve is arranged at the bottom of the water tank.
Compared with the prior art, the method has the following advantages:
1) according to the research requirement, clay soil samples with different strengths can be prepared.
2) The method can be used for measuring the adhesion force of the dredging cutter teeth and the clay under water and water.
3) The main factors influencing the size of the adhesion between the dredging cutter teeth and the clay and the optimal combination for reducing the adhesion can be distinguished through the measuring results of different factor combinations, so as to guide the research and development and the manufacture of novel dredging cutter teeth.
4) The device has the advantages of simple structure, easy transformation, strong reliability, wide applicability and low cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and are incorporated in and constitute a part of this application for illustrative purposes only and are not intended to limit the scope of the application. The attached drawings are as follows:
fig. 1 is a schematic structural diagram of a multifunctional device for measuring adhesion between dredging cutter teeth and clay and optimizing the cutter teeth according to an embodiment of the present application;
FIG. 2 is a top view of the multi-functional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing the cutter teeth shown in FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1;
fig. 6 is a cross-sectional view of a consolidated soil sample box provided in an embodiment of the present application.
In the figure: 1. the device comprises a base, 2, a water tank, 3, a dowel bar, 4, a cylinder, 5, a loading reaction frame, 6, a pressure plate, 7, a drawing soil sample box, 8, a dredging cutter tooth metal test plate, 9, a drawing pressure sensor, 10, a stop lever, 11, a roller support, 12, a roller, 13, a trolley, 14, a vertical pull plate, 15, a transverse pull plate, 16, a transmission shaft, 17, a track, 18, a servo motor, 19, a drainage valve, 20, a computer control system, 21, a steel plate, 22, a hoop, 23 and a water permeable plate.
Detailed Description
The present application is further described with reference to the following figures and examples, but the scope of protection of the present application is not limited to the examples described below.
As shown in fig. 1 to 6, a multifunctional device for measuring adhesion between dredging cutter teeth and clay and optimizing cutter teeth comprises a base 1, a water tank 2, a loading mechanism, a consolidated soil sample box, a drawing soil sample box 7, a drawing mechanism, a tension and compression sensor 9 and a computer control system 20.
The water tank 2 is arranged on the base 1; the drawing soil sample box 7 is arranged in the water tank 2 and is used for containing soil samples; the drawing mechanism comprises a dredging cutter tooth metal test plate 8, and the dredging cutter tooth metal test plate 8 is arranged in a drawing soil sample box 7 and is used for drawing a soil sample; the tension and compression sensor 9 is connected with the metal test plate 8 of the dredging cutter tooth and is used for acquiring the magnitude of the drawing force in real time; the consolidated soil sample box is arranged in the water tank 2 and used for manufacturing soil samples with different strengths; the loading mechanism is used for applying vertical load to the consolidated soil sample box and the drawing soil sample box 7; the computer control system 20 is respectively connected with the loading mechanism, the drawing mechanism and the tension and compression sensor 9, and is used for controlling the pressure applied by the loading mechanism, controlling the drawing speed of the drawing mechanism, acquiring the drawing force acquired by the tension and compression sensor 9, judging main factors influencing the adhesion between the dredging cutter teeth and the soil sample and optimizing the optimal test condition combination for reducing the adhesion.
Further, concretion soil sample box can follow and take out in the basin 2, and it includes steel sheet 21, hoop 22, porous disk 23, and the detachable head of own that constitutes is assembled through hoop 22 to steel sheet 21, and the dress of the soil sample of being convenient for is got, is provided with porous disk 23 around this head and bottom simultaneously to do benefit to the discharge of soil sample internal water.
Furthermore, the soil sample drawing box 7 is a movable device and can take out and load samples from the water tank 2. Further, a horizontal opening is formed in the drawing soil sample box 7, and the opening is used for placing a metal test plate 8 of the dredging cutter teeth.
Further, the water tank 2 is made of transparent organic glass, a stop lever 10 is installed at the bottom in the water tank 2, the stop lever 10 is used for fixing a solidified soil sample box or drawing a soil sample box 7, and a drainage valve 19 is installed at the bottom of one side of the water tank 2.
Further, the loading mechanism also comprises a dowel bar 3, a cylinder 4, a loading reaction frame 5, a pressurizing plate 6 and an air compressor. The loading reaction frame 5 is arranged inside the water tank 2 and is positioned above the position of a consolidated soil sample box or a drawing soil sample box 7, the cylinder 4 is arranged above the loading reaction frame 5, the cylinder 4 is connected with an air compressor, the bottom of the cylinder 4 is connected with a pressure plate 6 horizontally arranged through a force transfer rod 3 vertically arranged, the pressure plate 6 is positioned above the position of the consolidated soil sample box or the drawing soil sample box 7, the size of the pressure plate is the same as the size of the upper top surface of the soil sample of the drawing soil sample box 7 and the consolidated soil sample box, the set vertical pressure sequentially passes through the force transfer rod 3 through the movement of a piston in the cylinder 4, and the pressure plate 6 is applied to the consolidated soil sample box or the soil sample in the drawing soil sample box 7.
Further, the drawing mechanism also comprises a dredging cutter tooth metal test plate 8, a roller bracket 11, a roller 12, a trolley 13, a vertical pulling plate 14, a transverse pulling plate 15, a transmission shaft 16, a track 17 and a servo motor 18. The top of the water tank 2 is fixedly provided with two rails 17, the two rails 17 can be respectively arranged at the front edge and the rear edge of the top of the water tank 2, and the trolley 13 is movably arranged on the rails 17; the servo motor 18 is also arranged at the top of the water tank 2, and the servo motor 18 is connected with the trolley 13 through the transmission shaft 16 and drives the trolley 13 to move on the track 17; meanwhile, the vertical pulling plate 14 is connected with the bottom of the trolley 13, one end of the transverse pulling plate 15 is connected with the vertical pulling plate 14, the other end of the transverse pulling plate 15 is connected with the metal test plate 8 of the dredging cutter tooth, and the metal test plate 8 of the dredging cutter tooth and the transverse pulling plate 15 are located at the same horizontal position.
Further, two sets of gyro wheel supports of symmetry around installing at the bottom in basin 2, every group gyro wheel support all includes two gyro wheel supports 11, all installs two upper and lower gyro wheels 12 on every gyro wheel support 11, and the interval between two upper and lower gyro wheels 12 is equivalent with horizontal arm-tie 15 thickness, and horizontal arm-tie 15 is worn to locate respectively between the upper and lower gyro wheel 12 of gyro wheel support 11 in both sides around. During the drawing test, the horizontal movement of the horizontal pulling plate 15 can be ensured because the horizontal pulling plate 15 passes through the middle of the upper and lower rollers 12.
Further, the transverse pulling plate 15 can be connected with the vertical pulling plate 14 through bolts, and the installation height of the transverse pulling plate 15 can be adjusted; specifically, a mounting hole may be formed in the roller bracket 11, the roller 12 is mounted on the roller bracket 11 through the mounting hole, and the mounting hole in the roller bracket 11 has a certain length, so that the height of the roller 12 is conveniently adjusted.
Further, the tension and compression sensor 9 has a waterproof function, is mounted on the transverse pulling plate 15, is connected with the computer control system 20, and collects the pulling force in real time through the computer control system 20.
Further, the computer control system 20 is also connected to the air compressor and the servo motor 18 respectively, and is configured to control the magnitude of the vertical pressure applied by the loading mechanism through the air compressor, and control the drawing speed of the metal test plate 8 for the teeth of the dredge cutter through the servo motor 18.
In the application, the rotation of the servo motor 18 is converted into the translation of the trolley 13 through the transmission shaft 16, and the vertical pulling plate 14 and the horizontal pulling plate 15 drive the translation of the metal test plate 8 of the dredging cutter teeth to finish the drawing test. In the drawing process, the vertical pressure and the drawing speed are controlled by a computer control system 20.
Further, the computer control system 20 is installed with orthogonal test analysis software for determining the main factors influencing the magnitude of the adhesion between the metal test plate 8 of the dredging cutter teeth and the clay and the optimal combination for reducing the adhesion according to the measurement results of the tangential adhesion between the metal test plate and the clay under different overlying loads, different operating speeds, different materials and different roughness degrees under the atmospheric or submerged environment.
It is noted that the orthogonal experimental analysis software adopted in the present application is prior art and is not innovative in the present application.
The working process of the device is as follows:
1) fixing the consolidated soil sample box assembling steel plate 21 through a hoop 22 to complete the assembling of the consolidated soil sample box;
2) a water permeable plate 23 is placed in the consolidated soil sample box, and soil for sample preparation is placed in the consolidated soil sample box. The consolidation soil sample box is fixed on the bottom in the water tank 2 through a stop lever 10, the soil sample is pressurized, drained and consolidated, and the vertical pressure is controlled through a computer control system 20;
3) after the soil sample is solidified, taking out the solidified soil sample box, disassembling and taking out the soil sample;
4) cutting the soil sample according to the size of the drawing soil sample box 7 and the placement position of the dredging cutter tooth metal test plate 8;
5) filling the cut half soil sample into a drawing soil sample box 7, wherein the soil sample is just as high as the opening reserved on the drawing soil sample box 7 and used for placing a metal test plate 8 with a dredging cutter tooth, placing the metal test plate 8 with the dredging cutter tooth, and then continuously filling the other half cut soil sample;
6) fixing a drawing soil sample box 7 filled with soil samples on the base 1 through a stop lever 10 to prevent the drawing soil sample box from moving;
7) connecting a metal plate 8 of the teeth of the dredging cutter with a transverse pulling plate 15, installing rollers 12 on a roller bracket 11 according to the height of the transverse pulling plate 15, and then connecting a transverse pulling plate 14 with a vertical pulling plate 15 through bolts;
8) according to the requirements of test conditions, determining whether to inject water into the transparent organic glass water tank 2, if a water environment test is carried out, injecting water, and if an atmospheric environment test is carried out, not injecting water; applying a certain overlying load to the soil sample through the air cylinder 4 according to different excavation conditions;
9) the pull rate is input via the computer control system 20 and the test is started. In the test process, the tension is measured by the tension and compression sensor 9, and data is automatically acquired by the computer control system 20;
10) the tangential adhesion between the dredging cutter tooth metal test plate 8 and clay under the conditions of different overlying loads, different operating speeds, different materials and different roughness degrees under the atmospheric or water immersion environment is measured by a test, and the data is collected in real time; and then, according to the measurement results of the different factor combinations, an orthogonal test analysis method is adopted to judge the main factors influencing the adhesion between the dredging cutter teeth and the clay and the optimal combination for reducing the adhesion, thereby guiding the research and development and the manufacture of the novel dredging cutter teeth.
By adopting the multifunctional device, according to the operation process, measurement tests of the tangential adhesion of the dredging cutter tooth metal test plates (material 1: medium-low carbon alloy steel, material 2: common cast iron and material 3: high-chromium cast iron) made of different materials and clay under different covering pressures (pressure 1: 60kPa, pressure 2: 110kPa and pressure 3: 150kPa) and different drawing speeds (speed 1: 1cm/s, speed 2: 4cm/s and speed 3: 8cm/s) are carried out in the atmospheric environment.
And drawing an orthogonal test analysis table according to the test result by an orthogonal test analysis method, and judging the main factors influencing the adhesion between the metal test plate of the dredging cutter tooth and the clay and the optimal combination for reducing the adhesion.
Orthogonal test analysis table
Through an orthogonal test analysis table, the factors which have the greatest influence on the adhesive force between the dredging cutter teeth and the clay under the test condition are the metal material of the dredging cutter teeth, the overlying pressure and the drawing speed; the combination with the lowest adhesive force is the metal material 3 (high-chromium cast iron) of the dredging cutter teeth, the covering pressure is 2(110kPa), and the drawing speed is 2(4 cm/s).
In summary, the multifunctional device of the present application has the following main functions:
1) according to the research requirement, clay soil samples with different strengths are prepared.
2) The method can be used for measuring the adhesion between the metal test board of the dredging cutter tooth and clay in atmospheric environment and water environment.
3) The simulation of stress states under different excavation depths can be realized.
4) The method can be used for measuring the adhesion between the dredging cutter tooth metal test plate made of different materials and clay.
5) The method can be used for measuring the adhesion force between the metal test board of the dredging cutter teeth and clay at different drawing speeds.
6) The method can be used for measuring the adhesion between the dredging cutter tooth metal test plate with different roughness and clay.
7) And (3) carrying out a combinability test of 1) -6) aiming at a target soil body, judging main factors influencing the size of the adhesion between the dredging cutter teeth and the clay according to the measurement results of different factor combinations, and determining the optimal combination for reducing the adhesion, thereby guiding the research and development and the manufacture of the novel dredging cutter teeth.
The above description is only illustrative of the preferred embodiments of the present application and is not intended to limit the scope of the present application in any way. Any changes or modifications made by those skilled in the art based on the above disclosure should be considered as equivalent effective embodiments, and all the changes or modifications should fall within the protection scope of the technical solution of the present application.
Claims (9)
1. The utility model provides a multi-functional device that is used for dredging cutter tooth and clay adhesion survey and cutter tooth to optimize which characterized in that: comprises a base (1), a water tank (2), a loading mechanism, a consolidation soil sample box, a drawing soil sample box (7), a drawing mechanism, a drawing and pressing sensor (9) and a computer control system (20);
wherein, the water tank (2) is arranged on the base (1); the consolidated soil sample box is detachably arranged in the water tank (2) and is used for manufacturing soil samples with different strengths; the drawing soil sample box is detachably arranged in the water tank (2) and is used for containing the soil sample; the loading mechanism is arranged above the water tank (2) and is used for applying vertical load to the consolidated soil sample box and the drawing soil sample box (7); the drawing mechanism comprises a dredging cutter tooth metal test plate (8), and the dredging cutter tooth metal test plate (8) penetrates through a drawing soil sample box (7) and is used for drawing tests on the soil sample; the tension and compression sensor (9) is connected with the metal test plate (8) of the dredging cutter tooth and is used for acquiring the magnitude of the drawing force in real time; the computer control system (20) is respectively connected with the loading mechanism, the drawing mechanism and the drawing and pressing sensor (9) and is used for controlling the vertical pressure applied by the loading mechanism, the drawing speed of the drawing mechanism and the drawing force acquired by the drawing and pressing sensor (9).
2. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 1, wherein: the loading mechanism comprises a dowel bar (3), a cylinder (4), a loading reaction frame (5), a pressurizing plate (6) and an air compressor;
the loading reaction frame (5) is arranged on the water tank (2) and is connected with the cylinder (4), the cylinder (4) is connected with the air compressor, the bottom of the cylinder (4) is connected with the pressure plate (6) through the dowel bar (3), the pressure plate (6) is positioned above the position of the consolidated soil sample box or the drawing soil sample box (7), and the size of the pressure plate (6) is the same as that of the drawing soil sample box (7) and the upper top surface of a soil sample loaded in the consolidated soil sample box;
the air compressor is connected with the computer control system (20), and the air cylinder (4) is controlled by the computer control system (20) to apply vertical pressure to the soil sample in the solidified soil sample box or the drawing soil sample box (7).
3. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 1, wherein: the drawing mechanism also comprises a roller bracket (11), a roller (12), a trolley (13), a vertical pulling plate (14), a transverse pulling plate (15), a transmission shaft (16), a track (17) and a servo motor (18);
two tracks (17) are arranged at the top of the water tank (2), a trolley (13) is movably arranged on the two tracks (17), and meanwhile, a servo motor (18) is connected with the trolley (13) through a transmission shaft (16) and can drive the trolley (13) to move on the tracks (17); the bottom of the trolley (13) is connected with a vertical pulling plate (14), the vertical pulling plate (14) is connected with a horizontal pulling plate (15) which is horizontally arranged, the horizontal pulling plate (15) is connected with a metal test plate (8) of the teeth of the dredging knife, and the horizontal pulling plate (15) and the metal test plate (8) of the teeth of the dredging knife are positioned at the same horizontal position;
the rotation of the servo motor (18) is converted into the translation of the trolley (13) through the transmission shaft (16), and the vertical pulling plate (14) and the transverse pulling plate (15) drive the metal test plate (8) of the dredging cutter teeth to carry out a drawing test on the soil sample in the soil sample drawing box (7); the servo motor (18) is also connected with a computer control system (20), and the drawing speed of the metal test plate (8) of the dredging cutter teeth is controlled by the computer control system (20).
4. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 3, wherein: the bottom is provided with two sets of gyro wheel supports in basin (2), all installs two rows of gyro wheels about, with adjustable height on every group gyro wheel support, and the equal level setting of two rows of gyro wheels about, and the interval between two rows of gyro wheels (12) about and is equivalent with horizontal arm-tie (15) thickness, and the both sides of horizontal arm-tie (15) are movably respectively worn to locate between two rows of gyro wheels (12) about.
5. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 4, wherein: the roller bracket is provided with a mounting hole, and the roller is mounted on the roller bracket through the mounting hole; meanwhile, the mounting hole has a certain length so as to adjust the mounting height of the roller.
6. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 3, wherein: the tension and compression sensor (9) is arranged on the transverse pulling plate (15) and is connected with the computer control system (20), and the pulling force is collected in real time through the computer control system (20).
7. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 1, wherein: the drawing soil sample box (7) is provided with a horizontal opening for placing a dredging cutter tooth metal test plate (8) for drawing test of the soil sample.
8. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 1, wherein: the consolidated soil sample box comprises a steel plate (21), a hoop (22) and a water permeable plate (23);
the steel plates (21) are assembled through the hoops (22) to form a detachable movable device, and the periphery and the bottom of the movable device are provided with the water permeable plates (23) to form a consolidated soil sample box.
9. The multifunctional apparatus for measuring adhesion of dredging cutter teeth to clay and optimizing cutter teeth of claim 1, wherein: the bottom in the water tank (2) is provided with a stop lever (10) for fixing a consolidation soil sample box or a drawing soil sample box (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920631096.XU CN210322746U (en) | 2019-05-05 | 2019-05-05 | Multifunctional device for measuring adhesion force between dredging cutter teeth and clay and optimizing cutter teeth |
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| CN201920631096.XU CN210322746U (en) | 2019-05-05 | 2019-05-05 | Multifunctional device for measuring adhesion force between dredging cutter teeth and clay and optimizing cutter teeth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031400A (en) * | 2019-05-05 | 2019-07-19 | 中交疏浚技术装备国家工程研究中心有限公司 | For dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization |
| CN112730231A (en) * | 2020-12-25 | 2021-04-30 | 中铁十四局集团大盾构工程有限公司 | Test device and determination method for measuring tangential adhesion of soil and solid interface |
-
2019
- 2019-05-05 CN CN201920631096.XU patent/CN210322746U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031400A (en) * | 2019-05-05 | 2019-07-19 | 中交疏浚技术装备国家工程研究中心有限公司 | For dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization |
| CN110031400B (en) * | 2019-05-05 | 2024-01-02 | 中交疏浚技术装备国家工程研究中心有限公司 | Multifunctional device for measuring adhesion force between dredging cutter tooth and clay and optimizing cutter tooth |
| CN112730231A (en) * | 2020-12-25 | 2021-04-30 | 中铁十四局集团大盾构工程有限公司 | Test device and determination method for measuring tangential adhesion of soil and solid interface |
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