CN110031400A - For dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization - Google Patents

For dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization Download PDF

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Publication number
CN110031400A
CN110031400A CN201910369282.5A CN201910369282A CN110031400A CN 110031400 A CN110031400 A CN 110031400A CN 201910369282 A CN201910369282 A CN 201910369282A CN 110031400 A CN110031400 A CN 110031400A
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China
Prior art keywords
cutter tooth
soil sample
dredging
plate
adhesion strength
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CN110031400B (en
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刘功勋
李威
洪国军
刘若元
张晴波
江帅
施绍刚
树伟
尹纪富
尹立明
梁鑫
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CCCC National Engineering Research Center of Dredging Technology and Equipment Co Ltd
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CCCC National Engineering Research Center of Dredging Technology and Equipment Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00Investigating materials by mechanical methods
    • G01N19/04Measuring adhesive force between materials, e.g. of sealing tape, of coating

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract

This application involves the dredging work fields in hydraulic engineering, it discloses a kind of for dredging multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization, including sink, loading mechanism, consolidation soil sample box, drawing soil sample box, drawing mechanism, tension-compression sensor, computer control system etc..In test process, pulling capacity is measured by tension-compression sensor, and realizes the real-time acquisition of data by computer control system.The device can prepare the soil sample of varying strength;And can measure under atmosphere or Soaking environment, the tangential adhesion strength between cutter tooth metallographictest plate and clay is dredged in the case of different overlying burdens, the different speeds of service, different materials, different degree of roughness, and can realize the real-time acquisition of data;And the measurement result that can be combined by different factors, differentiating influences the principal element of adhesion strength size between dredging cutter tooth and clay and determines the optimal combination for reducing adhesion strength, to instruct the research and development and manufacture of novel dredging cutter tooth.

Description

For dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization
Technical field
This application involves the dredging work fields in hydraulic engineering, especially a kind of for dredging cutter tooth and clay adhesion strength The multi-function device of measurement and cutter tooth optimization.
Background technique
Dredging work has it from ancient times, over time, dredge utensil by ancient times artificial light instrument till now It is replaced by machinery, such as dredger.With economic development and social progress, the development of dredging technology equipment is faced with energy conservation With the requirement of environmental protection.
Currently, dredging soft clay uses trailing suction hopper dredger more;And cutter suction dredger is more suitable for dredging stiff clay.No matter what The clay of seed type can be adhered to the cutter tooth flank of tooth due to the presence of its cohesive strength, to cause cutting resistance to increase, dredging Efficiency reduces, and energy consumption increases.
Therefore, dredging cutter tooth and clay adhesion strength size how to be measured and carries out the independent research of high-effect dredging cutter tooth, Have become China dredging technology field difficulties urgently to be resolved.However, also lacking practical and effective survey both at home and abroad at present Determine method, usually by engineering experience design dredging cutter tooth, tool bears the character of much blindness.For the limitation for making up theory analysis Property, the independent research for novel dredging cutter tooth, there is an urgent need to combine simple and easy adhesion strength measurement test to be analyzed, In key technology be how to simulate it is certain dig deep situation under by adjusting dredging cutter tooth material and surface roughness and Cutter tooth travel speed reduces the adhesion strength between cutter tooth and clay, from underwater dredging cutter tooth and the measurement of clay adhesion strength test into The research and development of the novel cutter tooth of row, not yet find the report of such device at present.
Summary of the invention
In order to overcome the shortcomings of the prior art, providing a kind of for dredging cutter tooth and the measurement of clay adhesion strength and cutter tooth The multi-function device of optimization is suitable for dredging work field, is able to satisfy Dredging Field cutter tooth and the tangential adhesion strength measurement of clay Requirements.The device consolidates clay at various pressures by consolidation soil sample box and pressurizing device, to prepare different strong The soil sample of degree.It can be measured under atmosphere or Soaking environment by the covering device, different overlying burdens, the different speeds of service, difference The tangential adhesion strength between cutter tooth metal material and clay is dredged in the case of material and different degree of roughness, and can realize data Real-time acquisition.Can be by the measurement result of above-mentioned different factor combinations, differentiating influences to adhere between dredging cutter tooth and clay The principal element of power size determines the optimal combination for reducing adhesion strength, to instruct the research and development and manufacture of novel dredging cutter tooth.
To achieve the above object, the application adopts the following technical scheme that:
It is a kind of for dredge cutter tooth and clay adhesion strength measurement and cutter tooth optimization multi-function device, including pedestal, sink, Loading mechanism, consolidation soil sample box, drawing soil sample box, drawing mechanism, tension-compression sensor, computer control system;
Wherein, sink is mounted on the base;Consolidation soil sample box is removably disposed in sink, for making varying strength Soil sample;Drawing soil sample box is removably disposed in sink, for holding the soil sample;Loading mechanism is arranged on sink Side, for applying vertical load to consolidation soil sample box, drawing soil sample box;Drawing mechanism includes dredging cutter tooth metallographictest plate, is dredged It dredges cutter tooth metallographictest plate to be arranged in drawing soil sample box, for carrying out pull-out test to the soil sample;Tension-compression sensor and dredge The connection of cutter tooth metallographictest plate is dredged, for acquiring the size of pulling capacity in real time;Computer control system respectively with loading mechanism, drawing Mechanism and tension-compression sensor connection, the size of the vertical pressure for controlling loading mechanism application, for controlling drawing mechanism Drawing speed, and obtain the size of the pulling capacity of tension-compression sensor acquisition.
Further, orthogonal test analysis software is installed in the computer control system, for according to atmosphere or immersion ring Under border, cutter tooth metallographictest is dredged in the case of different overlying burdens, the different speeds of service, different materials and different degree of roughness The measurement result of tangential adhesion strength between plate and clay, differentiating influences adhesion strength size between dredging cutter tooth metal plate and clay Principal element and reduce adhesion strength optimal combination.
Further, loading mechanism includes transmission rod, cylinder, reaction frame for loading, pressure plate, air compressor machine;
Reaction frame for loading is mounted on sink, and is connect with cylinder, and cylinder is connect with air compressor machine, while cylinder bottom passes through Transmission rod is connect with pressure plate, and pressure plate is located at the top of consolidation soil sample box or drawing soil sample box position, and pressure plate Size is identical as drawing soil sample box and the consolidation upper top surface size of the filled soil sample of soil sample box;
The air compressor machine is connect with computer control system, and by computer control system control cylinder to consolidation soil sample box or The size for the vertical pressure that soil sample is applied in drawing soil sample box.
Further, drawing mechanism further includes rolling wheel support, idler wheel, trolley, vertically pulls plate, horizontal pulling plate, transmission shaft, track, watches Take motor;
Sink top installs two tracks, movable installation carriage on two tracks, while servo motor passes through transmission shaft It is connected with trolley, and trolley can be driven to move in orbit;The bottom of trolley is connect with plate is vertically pulled, vertically pull plate with it is horizontally disposed Horizontal pulling plate connection, horizontal pulling plate are connect with dredging cutter tooth metallographictest plate, and horizontal pulling plate and dredging cutter tooth metallographictest plate are positioned at same One horizontal position;
The rotation of servo motor is converted into the translation of trolley by transmission shaft, and by vertically pulling plate, the drive dredging of horizontal pulling plate Cutter tooth metallographictest plate carries out pull-out test to the soil sample in drawing soil sample box;Servo motor also connects with computer control system It connects, and passes through the drawing speed of computer control system control dredging cutter tooth metallographictest plate.
Further, bottom is provided with two groups of rolling wheel supports in sink, is mounted on every group of rolling wheel support height-adjustable Upper and lower two rows of idler wheels, upper and lower two rows idler wheels are horizontally disposed, and spacing and horizontal pulling plate thickness between upper and lower two rows of idler wheels Quite, the two sides of horizontal pulling plate are movably arranged in respectively between upper and lower two rows of idler wheels.
Further, mounting hole is offered on rolling wheel support, idler wheel is installed on rolling wheel support by mounting hole;It installs simultaneously Hole has certain length, in order to adjust the mounting height of idler wheel.
Further, tension-compression sensor is installed on horizontal pulling plate, and is connect with computer control system, and computer control system is passed through Pulling capacity is acquired in real time.
Further, horizontal aperture is offered on drawing soil sample box, for being put into the dredging for carrying out pull-out test to soil sample Cutter tooth metallographictest plate.
Further, consolidation soil sample box includes steel plate, hoop, porous disc;
Steel plate constitutes dismountable head itself by hoop assembly, while the surrounding of the head and bottom are set It sets porous disc and constitutes consolidation soil sample box.
Further, bottom is equipped with bar in sink, consolidates soil sample box or drawing soil sample box, and bottom of gullet for fixed Water discharging valve is installed.
Compared with prior art, the application has the following advantages:
1) the clay soil sample of varying strength can be prepared according to the needs of research.
2) it can carry out and dredge cutter tooth and the measurement of clay adhesion strength under waterborne, underwater two kinds of varying environments.
3) measurement result that can be combined by different factors, differentiating influences adhesion strength size between dredging cutter tooth and clay Principal element and the optimal combination for reducing adhesion strength, to instruct the research and development and manufacture of novel dredging cutter tooth.
4) the application simple structure is easy to be transformed, and highly reliable, applicability is wide, at low cost.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic theory of the application It is bright to be used to explain the application, it does not constitute an undue limitation on the present application.Attached drawing is as follows:
Fig. 1 be it is provided by the embodiments of the present application for dredge cutter tooth and clay adhesion strength measurement and cutter tooth optimize it is multi-functional The structural schematic diagram of device;
Fig. 2 is shown in Fig. 1 for dredging the vertical view of the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization Figure;
Fig. 3 is A-A sectional view in Fig. 1;
Fig. 4 is B-B sectional view in Fig. 1;
Fig. 5 is C-C sectional view in Fig. 1;
Fig. 6 is the sectional view of consolidation soil sample box provided by the embodiments of the present application.
In figure: 1, pedestal, 2, sink, 3, transmission rod, 4, cylinder, 5, reaction frame for loading, 6, pressure plate, 7, drawing soil sample Box, 8, dredging cutter tooth metallographictest plate, 9, tension-compression sensor, 10, bar, 11, rolling wheel support, 12, idler wheel, 13, trolley, 14, Vertically pull plate, 15, horizontal pulling plate, 16, transmission shaft, 17, track, 18, servo motor, 19, water discharging valve, 20, computer control system, 21, steel plate, 22, hoop, 23, porous disc.
Specific embodiment
The application is described further with reference to the accompanying drawings and examples, but the protection scope of the application be not limited to it is following Embodiment.
As shown in Figures 1 to 6, a kind of for dredging the multifunctional assembling of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization It sets, including pedestal 1, sink 2, loading mechanism, consolidation soil sample box, drawing soil sample box 7, drawing mechanism, tension-compression sensor 9, computer Control system 20.
Sink 2 is mounted on pedestal 1;Drawing soil sample box 7 is arranged in sink 2 for holding soil sample;Drawing mechanism includes Cutter tooth metallographictest plate 8 is dredged, dredging cutter tooth metallographictest plate 8 is arranged in drawing soil sample box 7 for carrying out drawing to soil sample Test;Tension-compression sensor 9 connect the size for acquiring pulling capacity in real time with dredging cutter tooth metallographictest plate 8;Consolidate soil sample box It is arranged in sink 2 for making the soil sample of varying strength;Loading mechanism is used to apply to consolidation soil sample box and drawing soil sample box 7 Vertical load;Computer control system 20 is connect with loading mechanism, drawing mechanism and tension-compression sensor 9 respectively, for controlling load The pressure size that mechanism applies controls the drawing speed of drawing mechanism, and obtains the big of the pulling capacity that tension-compression sensor 9 acquires It is small, and judge to influence the best examination of the principal element of adhesion strength size and optimization reduction adhesion strength between dredging cutter tooth and soil sample Test conditional combination.
Further, consolidation soil sample box can take out out of sink 2 comprising steel plate 21, hoop 22, porous disc 23, steel plate 21 By the assembled dismountable head constituted of hoop 22 itself, taken convenient for the dress of soil sample, while the four of the head Week and bottom are provided with porous disc 23, in favor of the discharge of water in soil sample.
Further, drawing soil sample box 7 is head, and dress sample can be taken out out of sink 2.Further, in drawing soil sample box 7 On offer horizontal aperture, the aperture is for being put into dredging cutter tooth metallographictest plate 8.
Further, sink 2 is using transparent organic glass material, and bottom is equipped with bar 10 in sink 2, and bar 10 is used for Fixed consolidation soil sample box or drawing soil sample box 7, while the bottom of 2 side of sink is equipped with water discharging valve 19.
Further, loading mechanism further includes transmission rod 3, cylinder 4, reaction frame for loading 5, pressure plate 6, air compressor machine.Load is anti- Power frame 5 is mounted on inside sink 2, and is located at the top of consolidation soil sample box or 7 position of drawing soil sample box, reaction frame for loading 5 Cylinder 4 is installed in top, and cylinder 4 is connect with air compressor machine, and 4 bottom of cylinder is added by vertically arranged transmission rod 3 with horizontally disposed Pressing plate 6 connects, and pressure plate 6 is located at the top of consolidation soil sample box or 7 position of drawing soil sample box, and its size and drawing soil sample Box 7 and the upper top surface size for consolidating the filled soil sample of soil sample box are identical, by the movement of 4 inner piston of cylinder by the vertical pressure of setting Pass sequentially through transmission rod 3, pressure plate 6 is applied in consolidation soil sample box or drawing soil sample box 7 in soil sample.
Further, drawing mechanism further includes dredging cutter tooth metallographictest plate 8, rolling wheel support 11, idler wheel 12, trolley 13, erects Pulling plate 14, horizontal pulling plate 15, transmission shaft 16, track 17, servo motor 18.Twice track 17, twice are fixedly mounted at the top of sink 2 Track 17 can be respectively arranged at 2 top front and back two edges of sink, while trolley 13 being movably installed on track 17;It watches It takes motor 18 and is equally installed on 2 top of sink, and servo motor 18 is connected by transmission shaft 16 with trolley 13, and drives trolley 13 It is moved on track 17;It vertically pulls plate 14 simultaneously to be connected with 13 bottom of trolley, horizontal 15 one end of pulling plate is connected with plate 14 is vertically pulled, horizontal pulling plate 15 other ends are connected with dredging cutter tooth metallographictest plate 8, and dredge cutter tooth metallographictest plate 8 and be located at same level with horizontal pulling plate 15 Position.
Further, bottom is equipped with the symmetrical two groups of rolling wheel supports in front and back in sink 2, and every group of rolling wheel support includes two Rolling wheel support 11 is mounted on upper and lower two idler wheels 12 on each rolling wheel support 11, and between upper and lower two idler wheels 12 between Away from suitable with horizontal 15 thickness of pulling plate, the front and rear sides of horizontal pulling plate 15 are arranged in respectively between the upper and lower idler wheel 12 of rolling wheel support 11. When pull-out test, because horizontal pulling plate 15 passes through among upper and lower idler wheel 12, it is ensured that horizontal pulling plate 15 moves horizontally.
Further, horizontal pulling plate 15 can be bolted with plate 14 is vertically pulled, and 15 mounting height of horizontal pulling plate is adjustable;Tool Body, mounting hole can be offered on rolling wheel support 11, idler wheel 12 is installed on rolling wheel support 11 by the mounting hole, and 11 upper installing hole of rolling wheel support has certain length, convenient for adjusting the height of idler wheel 12.
Further, tension-compression sensor 9 have water-proof function, be installed on horizontal pulling plate 15, and with computer control system 20 Connection, acquires pulling capacity by computer control system 20 in real time.
Further, computer control system 20 is also connect with air compressor machine, servo motor 18 respectively, for being controlled by air compressor machine The vertical pressure size that loading mechanism applies, and it is fast by the drawing that servo motor 18 controls dredging cutter tooth metallographictest plate 8 Degree.
In the application, the rotation of servo motor 18 is converted into the translation of trolley 13 by transmission shaft 16, and by vertically pulling plate 14, horizontal pulling plate 15 drives the translation of dredging cutter tooth metallographictest plate 8 to complete pull-out test.In drawing process, manipulated by computer System 20 controls vertical pressure size and drawing speed.
Further, orthogonal test analysis software is installed in computer control system 20, for according to atmosphere or Soaking environment Under, cutter tooth metallographictest plate is dredged in the case of different overlying burdens, the different speeds of service, different materials and different degree of roughness The measurement result of tangential adhesion strength between 8 and clay, differentiating influences adhesion strength size between dredging cutter tooth metal plate and clay Principal element and reduce adhesion strength optimal combination.
It is worth noting that, the orthogonal test analysis software that the application uses is the prior art, not this Applicant's Abstract graph innovation Place.
The work course of the present apparatus is as follows:
1) consolidation soil sample box assembly steel plate 21 is fixed by hoop 22, completes the assembly of consolidation soil sample box;
2) porous disc 23 is placed in consolidation soil sample box, sample preparation is put into consolidation soil sample box with soil.It will by bar 10 Consolidation soil sample box is fixed in sink 2 on bottom, carries out Pressure water discharging consolidation to soil sample, is controlled by computer control system 20 perpendicular To pressure size;
3) it after the completion of soil sample consolidation, takes out consolidation soil sample box and takes out soil sample after dismantling;
4) according to 7 size of drawing soil sample box and the placement position of dredging cutter tooth metallographictest plate 8, soil sample is cut;
5) cutting later half soil sample is filled in drawing soil sample box 7, soil sample height just reaches drawing soil sample box 7 at this time The tapping of upper reserved placement dredging cutter tooth metallographictest plate 8, is put into dredging cutter tooth metallographictest plate 8, then proceedes to load Soil sample after another hemisect;
6) the drawing soil sample box 7 for loading soil sample is fixed on pedestal 1 by bar 10, prevents drawing soil sample box mobile;
7) dredging cutter tooth metal plate 8 is connected with horizontal pulling plate 15, according to horizontal 15 height of pulling plate, is installed on rolling wheel support 11 Horizontal pulling plate 14 is then connected by bolt with plate 15 is vertically pulled by idler wheel 12;
8) it is required according to experimental condition, decides whether to fill the water into transparent organic glass sink 2, if carrying out water environment examination It tests, then fills the water, if carrying out atmospheric environment test, do not need to fill the water;According to the deep condition of different diggings, soil sample is applied by cylinder 4 Add certain overlying burden;
9) drawing speed is inputted by computer control system 20, then starts to test.During test, sensed by tension and compression Device 9 measures pulling force size, passes through 20 automatic data collection of computer control system;
10) under test measurement atmosphere or Soaking environment, different overlying burdens, the different speed of service, different materials and not With the tangential adhesion strength dredged between cutter tooth metallographictest plate 8 and clay in the case of degree of roughness, and carry out adopting in real time for data Collection;And then the measurement result combined by above-mentioned different factors, being differentiated using orthogonal test analysis method is influenced dredging cutter tooth and sticked The principal element of adhesion strength size and reduce the optimal combination of adhesion strength between soil, thus instruct the research and development of novel dredging cutter tooth with Manufacture.
Carried out under atmospheric environment using the application multi-function device according to operation described above process, unlike material is dredged Cutter tooth metallographictest plate (material 1: middle low-carbon alloy steel, material 2: plain cast iron, material 3: rich chromium cast iron) is dredged not cover ibid Pressure (pressure 1:60kPa, pressure 2:110kPa, pressure 3:150kPa), under different drawing speeies (speed 1:1cm/s, speed 2: 4cm/s, speed 3:8cm/s) it is tested with the tangential adhesion strength measurement of clay.
By orthogonal test analysis method, orthogonal test analysis table is drawn according to test result, cutter tooth metal is dredged to influence The optimal combination of the principal element of adhesion strength size and reduction adhesion strength is determined between breadboard and clay.
Orthogonal test analysis table
Known by orthogonal test analysis table, adhesion strength size between dredging cutter tooth and clay is influenced most under the experimental condition Big factor is dredging cutter tooth metal material, followed by burden pressure, is finally drawing speed;The minimum group of adhesion strength is combined into thin It dredges cutter tooth metal material 3 (rich chromium cast iron), burden pressure 2 (110kPa), drawing speed 2 (4cm/s).
To sum up, the application multi-function device has following major function:
1) according to the needs of research, the clay soil sample of varying strength is prepared.
2) measurement that cutter tooth metallographictest plate and clay adhesion strength are dredged under atmospheric environment and water environment can be carried out.
3) the different simulations for digging stress state in deep situation can be achieved.
4) measurement of dredging the cutter tooth metallographictest plate and clay adhesion strength of unlike material can be carried out.
5) measurement that cutter tooth metallographictest plate and clay adhesion strength are dredged under different drawing speeies can be carried out.
6) measurement of dredging the cutter tooth metallographictest plate and clay adhesion strength of different roughness can be carried out.
7) be directed to the target soil body, carry out 1) -6) associativity test, and the measurement result that can be combined by different factors, Differentiate the principal element for influencing adhesion strength size between dredging cutter tooth and clay, determines the optimal combination for reducing adhesion strength, thus Instruct the research and development and manufacture of novel dredging cutter tooth.
Foregoing description is only the description to the application preferred embodiment, is not any restriction to the application range.Appoint Any change or modification what those skilled in the art makes according to the technology contents of the disclosure above should all regard For equivalent effective embodiment, the range of technical scheme protection is belonged to.

Claims (10)

1. a kind of for dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization, it is characterised in that: including Pedestal (1), sink (2), loading mechanism, consolidation soil sample box, drawing soil sample box (7), drawing mechanism, tension-compression sensor (9), computer Control system (20);
Wherein, sink (2) is mounted on pedestal (1);Consolidation soil sample box is removably disposed in sink (2), for making not With the soil sample of intensity;Drawing soil sample box is removably disposed in sink (2), for holding the soil sample;Loading mechanism setting Above sink (2), for applying vertical load to consolidation soil sample box, drawing soil sample box (7);Drawing mechanism includes dredging cutter tooth Metallographictest plate (8), dredging cutter tooth metallographictest plate (8) is arranged in drawing soil sample box (7), for drawing the soil sample Pull out test;Tension-compression sensor (9) is connect with dredging cutter tooth metallographictest plate (8), for acquiring the size of pulling capacity in real time;Computer Control system (20) is connect with loading mechanism, drawing mechanism and tension-compression sensor (9) respectively, for controlling loading mechanism application The size of vertical pressure, for controlling the drawing speed of drawing mechanism, and obtain the pulling capacity of tension-compression sensor (9) acquisition Size.
2. it is according to claim 1 for dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization, It is characterized by: orthogonal test analysis software is equipped in the computer control system (20), for according to atmosphere or immersion ring Under border, cutter tooth metallographictest is dredged in the case of different overlying burdens, the different speeds of service, different materials and different degree of roughness The measurement result of tangential adhesion strength between plate and clay, differentiating influences adhesion strength size between dredging cutter tooth metal plate and clay Principal element and reduce adhesion strength optimal combination.
3. according to claim 1 or 2 for dredging the multifunctional assembling of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization It sets, it is characterised in that: loading mechanism includes transmission rod (3), cylinder (4), reaction frame for loading (5), pressure plate (6), air compressor machine;
Reaction frame for loading (5) is mounted on sink (2), and is connect with cylinder (4), and cylinder (4) is connect with air compressor machine, while cylinder (4) bottom is connect by transmission rod (3) with pressure plate (6), and pressure plate (6) is located at consolidation soil sample box or drawing soil sample box (7) institute In the top of position, and the size of pressure plate (6) and drawing soil sample box (7) and the upper top surface size for consolidating the filled soil sample of soil sample box It is identical;
The air compressor machine is connect with computer control system (20), and by computer control system (20) control cylinder (4) to consolidation The size for the vertical pressure that soil sample is applied in soil sample box or drawing soil sample box (7).
4. according to claim 1 or 2 for dredging the multifunctional assembling of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization It sets, it is characterised in that: drawing mechanism further includes rolling wheel support (11), idler wheel (12), trolley (13), vertically pulls plate (14), horizontal pulling plate (15), transmission shaft (16), track (17), servo motor (18);
Two tracks (17), movable installation carriage (13) on two tracks (17), while servo motor are installed at the top of sink (2) (18) it is connected by transmission shaft (16) with trolley (13), and trolley (13) can be driven to move on track (17);Trolley (13) Bottom is connect with plate (14) is vertically pulled, and is vertically pulled plate (14) and is connect with horizontally disposed horizontal pulling plate (15), horizontal pulling plate (15) and dredging knife Tooth metallographictest plate (8) connection, and horizontal pulling plate (15) and dredging cutter tooth metallographictest plate (8) are located at the same horizontal position;
The rotation of servo motor (18) is converted into the translation of trolley (13) by transmission shaft (16), and by vertically pulling plate (14), cross Pulling plate (15) drives dredging cutter tooth metallographictest plate (8) to carry out pull-out test to the soil sample in drawing soil sample box (7);Servo Motor (18) is also connect with computer control system (20), and passes through computer control system (20) control dredging cutter tooth metallographictest plate (8) drawing speed.
5. it is according to claim 4 for dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization, It is characterized by: sink (2) interior bottom is provided with two groups of rolling wheel supports, it is mounted on every group of rolling wheel support height-adjustable Upper and lower two rows idler wheel, upper and lower two rows idler wheel is horizontally disposed, and spacing and horizontal pulling plate between upper and lower two rows of idler wheels (12) (15) thickness is suitable, and the two sides of horizontal pulling plate (15) are movably arranged in respectively between upper and lower two rows of idler wheels (12).
6. it is according to claim 5 for dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization, It is characterized by: offering mounting hole on rolling wheel support, idler wheel is installed on rolling wheel support by mounting hole;Mounting hole tool simultaneously There is certain length, in order to adjust the mounting height of idler wheel.
7. it is according to claim 4 for dredging the multi-function device of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization, It is characterized by: tension-compression sensor (9) is installed on horizontal pulling plate (15), and connect with computer control system (20), pass through computer Control system (20) acquires pulling capacity in real time.
8. according to claim 1 or 2 for dredging the multifunctional assembling of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization It sets, it is characterised in that: offer horizontal aperture on drawing soil sample box (7), soil sample progress pull-out test is dredged for being put into Dredge cutter tooth metallographictest plate (8).
9. according to claim 1 or 2 for dredging the multifunctional assembling of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization It sets, it is characterised in that: consolidation soil sample box includes steel plate (21), hoop (22), porous disc (23);
Steel plate (21) constitutes dismountable head itself, while the surrounding of the head and bottom by the way that hoop (22) are assembled Portion is arranged porous disc (23) and constitutes consolidation soil sample box.
10. according to claim 1 or 2 for dredging the multifunctional assembling of cutter tooth and the measurement of clay adhesion strength and cutter tooth optimization It sets, it is characterised in that: sink (2) interior bottom is equipped with bar (10), for fixed consolidation soil sample box or drawing soil sample box (7).
CN201910369282.5A 2019-05-05 2019-05-05 Multifunctional device for measuring adhesion force between dredging cutter tooth and clay and optimizing cutter tooth Active CN110031400B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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