Large soil body in-situ intelligent mixing equipment and use method thereof

Abstract

The invention discloses large soil in-situ intelligent mixing equipment and a using method thereof.The mixing equipment comprises a vehicle body, an injection mechanism, a three-gear variable-speed driving system and a sickle-like special loosening knife; a control system, a first lifting device and a second lifting device are mounted on the vehicle body, and a main frame is mounted at the lifting end of the first lifting device; the injection mechanism comprises a liquid injection system and a solid injection system, and the liquid injection system and the solid injection system are both mounted on the main body frame; the three-gear variable-speed driving system is installed on the main body frame, a main transmission shaft is installed at the output end of the three-gear variable-speed driving system, and a liquid channel communicated with the liquid injection system is formed in the main transmission shaft; the sickle-like special loosening cutter comprises a plurality of sickle-like arc-shaped cutters detachably connected to the main transmission shaft. According to the invention, a continuous operation process integrating crushing, efficient dispersion, mixing and leveling can be realized, uniform and efficient mixing of soft soil and a curing agent material is realized, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of geotechnical engineering machinery, in particular to a large-scale in-situ intelligent soil mixing device and a use method thereof. BACKGROUND

[0002] Soft soil has the disadvantage of low bearing capacity and is not suitable for roadbed engineering without treatment, but can realize in-situ roadbed filling and efficient resource utilization after proper improvement.

[0003] At present, traditional soil solidification construction generally has problems such as process separation and low efficiency. The existing equipment is mostly designed with single function, and the crushing and mixing processes need to be implemented in steps, and the solidification agent adding system and the mixing mechanism are separated, which leads to the extension of the construction period. In the aspect of cutter design, the conventional spiral cutter has the effect of soil wrapping, which leads to insufficient mixing uniformity, and the straight blade cutter is easy to cause soil hardening. The solidification agent adding system mostly adopts external spraying method, which leads to uneven distribution of liquid materials and easy dust pollution of solid powders. In addition, the fixed speed of the existing equipment leads to poor soil adaptability, and the cutter is difficult to replace after wear, which seriously affects the construction efficiency. Especially in soft soil foundation treatment, the existing equipment is difficult to realize continuous operation of crushing-mixing-leveling.

[0004] Therefore, a large-scale in-situ intelligent soil mixing device and a use method thereof are provided. SUMMARY

[0005] The purpose of the present application is to provide a large-scale in-situ intelligent soil mixing device and a use method thereof, which aims to solve or improve at least one of the above technical problems.

[0006] To achieve the above purpose, the present application provides the following scheme: the present application provides a large-scale in-situ intelligent soil mixing device, which comprises:

[0007] A vehicle body is provided with a control system, a first lifting device and a second lifting device, and the lifting end of the first lifting device is provided with a main body frame;

[0008] An injection mechanism is provided, which comprises a liquid injection system and a solid injection system, and the liquid injection system and the solid injection system are both installed on the main body frame;

[0009] A three-gear variable speed drive system is installed on the main body frame, and the output end of the three-gear variable speed drive system is provided with a main transmission shaft, and the main transmission shaft is provided with a liquid channel in communication with the liquid injection system;

[0010] The special loosening sickle-shaped knife comprises a plurality of sickle-shaped arc-shaped knives detachably connected to the main transmission shaft, and a transverse knife is fixedly installed at the end of the sickle-shaped arc-shaped knife away from the main transmission shaft, and an included angle is arranged between the transverse knife and the sickle-shaped arc-shaped knife.

[0011] The lifting end of the second lifting device is rotationally connected with a cutting wheel and a leveling wheel, a plurality of liquid discharge openings are installed on the main transmission shaft, and the liquid discharge openings are in communication with the liquid channel; the vehicle body, the first lifting device, the second lifting device, the liquid injection system, the solid injection system and the three-gear variable speed driving system are electrically connected with the control system.

[0012] According to the large-scale soil in-situ intelligent mixing equipment, the included angle is 90°.

[0013] According to the large-scale soil in-situ intelligent mixing equipment, the liquid injection system comprises a liquid material hopper installed on the main body frame, the bottom of the liquid material hopper is in communication with the liquid channel through a water pipe, and a first electromagnetic valve electrically connected with the control system is installed on the water pipe.

[0014] According to the large-scale soil in-situ intelligent mixing equipment, the solid injection system comprises a solid material hopper installed on the main body frame, and a material pipe is fixedly installed at the bottom of the solid material hopper, and a second electromagnetic valve electrically connected with the control system is installed on the material pipe.

[0015] According to the large-scale soil in-situ intelligent mixing equipment, the three-gear variable speed driving system comprises a driving motor installed on the main body frame, a three-gear variable speed gearbox is installed on the output shaft of the driving motor, the output shaft of the three-gear variable speed gearbox is in driving connection with the main transmission shaft through a power converter, and the driving motor and the three-gear variable speed gearbox are electrically connected with the control system.

[0016] According to the large-scale soil in-situ intelligent mixing equipment, the three-gear variable speed gearbox is installed at the top of the main body frame.

[0017] According to the large-scale soil in-situ intelligent mixing equipment, the main transmission shaft is rotationally connected to the main body frame through a bearing.

[0018] According to the large-scale soil in-situ intelligent mixing equipment, the sickle-shaped arc-shaped knives are detachably connected to the main transmission shaft through bolts, and a plurality of the sickle-shaped arc-shaped knives are arranged at equal intervals in the circumferential direction.

[0019] The application further provides a use method of the large-scale soil in-situ intelligent mixing device.

[0020] Step one, the control system controls the liquid injection system and the solid injection system to be closed, and liquid material and fixed powder material are added into the liquid injection system and the solid injection system respectively;

[0021] Step two, the three-gear variable speed drive system drives the main transmission shaft to rotate, and the first lifting device drives the arc-shaped sickle-shaped cutter to extend into the soil by 20-30 cm;

[0022] Step three, the control system controls the liquid injection system and the solid injection system to be opened, and controls the discharge rate of the liquid injection system and the solid injection system;

[0023] Step four, the control system controls the vehicle body to move, so that the soil and the curing agent are mixed and constructed.

[0024] The application has the following technical effects:

[0025] The arc-shaped sickle-shaped special loosening cutter is combined with the cutting wheel and the leveling wheel, so that a continuous operation process of four-in-one of crushing, efficient dispersion, mixing and leveling is realized, uniform and efficient mixing of the soft soil and the curing agent material is realized, a combined integrated rapid construction process of powder spreading, soil loosening and liquid mixing is realized, and the application has the characteristics of rapidness and high efficiency;

[0026] The liquid channel in the main transmission shaft is communicated with the liquid injection system, liquid is supplied through the liquid injection system and discharged through a plurality of liquid discharge ports, and the limitation of the traditional external spraying type liquid adding is broken, so that the integrated operation of soil loosening, liquid adding and mixing is realized;

[0027] The composite cutter structure of the transverse cutter and the arc-shaped sickle-shaped cutter enables the arc-shaped sickle-shaped special loosening cutter to have the functions of cutting, turning and throwing and rubbing, the three-gear variable speed drive system can adjust the speed according to the actual use condition, and can adapt to various geological conditions such as silty soil and gravel soil;

[0028] The control system is used for intelligent control, has the characteristics of rapidness, high efficiency and improved curing effect, can realize uniform mixing of the solid powder material such as cement and lime and the liquid material and the soil, has great practical application value, and greatly improves the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort.

[0030] Figure 1 It is a structural schematic diagram of the present invention;

[0031] Figure 2 It is a structural diagram of the main frame of the present invention;

[0032] Figure 3 Schematic diagram of the structure of the cutting wheel in the present invention;

[0033] Figure 4 is a side view of the cutting wheel of the present invention;

[0034] Figure 5 Schematic diagram of the structure of the leveling wheel in the present invention;

[0035] Figure 6 It is a side view of the leveling wheel in the present invention;

[0036] Figure 7 It is a structural diagram of the control system in the present invention.

[0037] Among them, 1. Vehicle body; 2. Control system; 3. First lifting device; 4. Second lifting device; 5. Main frame; 6. Main transmission shaft; 7. Liquid channel; 8. Sickle-shaped arc tool; 9. Horizontal tool; 10. Drain port; 11. Liquid material funnel; 12. Water pipe; 13. First solenoid valve; 14. Solid material funnel; 15. Three-speed gearbox; 16. Power converter; 17. Cutting wheel; 18. Leveling wheel. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Reference Figures 1-7 The present invention provides a large-scale soil in-situ intelligent mixing equipment, comprising:

[0041] A vehicle body 1 is provided with a control system 2, a first lifting device 3, and a second lifting device 4. A main frame 5 is provided at the lifting end of the first lifting device 3. The second lifting device 4 is located at the rear end of the vehicle body 1.

[0042] The injection mechanism comprises a liquid injection system and a solid injection system, and both are installed on the main frame 5;

[0043] The three-gear variable speed drive system is installed on the main frame 5, and the output end of the three-gear variable speed drive system is installed with a main transmission shaft 6, and the main transmission shaft 6 is provided with a liquid channel 7 in communication with the liquid injection system;

[0044] The sickle-shaped special loosening cutter comprises a plurality of sickle-shaped arc cutters 8 which are detachably connected to the main transmission shaft 6, and a transverse cutter 9 is fixedly installed at the end of the sickle-shaped arc cutter 8 away from the main transmission shaft 6, and an included angle is arranged between the transverse cutter 9 and the sickle-shaped arc cutter 8;

[0045] The cutting wheel 17 and the leveling wheel 18 are rotatably connected to the lifting end of the second lifting device 4 through the rotating shafts; a plurality of liquid discharge ports 10 are installed on the main transmission shaft 6, and the liquid discharge ports 10 are in communication with the liquid channel 7; the vehicle body 1, the first lifting device 3, the second lifting device 4, the liquid injection system, the solid injection system and the three-gear variable speed drive system are electrically connected with the control system 2;

[0046] In this way, the sickle-shaped special loosening cutter is combined with the cutting wheel 17 and the leveling wheel 18, so that a continuous operation process of four-in-one of crushing, efficient dispersion, mixing and leveling is realized, uniform and efficient mixing of soft soil and curing agent materials is realized, a combined integrated rapid construction process of powder spreading, soil loosening and liquid mixing is realized, and the process has the characteristics of rapidness and high efficiency;

[0047] The liquid channel 7 in the main transmission shaft 6 is in communication with the liquid injection system, liquid is supplied through the liquid injection system and discharged through the plurality of liquid discharge ports 10, and the limitation of the traditional external spraying type liquid adding is broken, so that the integrated operation of soil loosening, liquid adding and mixing can be realized;

[0048] The composite cutter structure of the transverse cutter 9 and the sickle-shaped arc cutter 8 enables the sickle-shaped special loosening cutter to have the functions of cutting, turning and rubbing; the three-gear variable speed drive system can adjust the speed according to the actual use condition, and can adapt to various geological conditions such as silty soil to gravel soil;

[0049] The intelligent control is realized through the control system 2, the process has the characteristics of rapidness and high efficiency, the mixing effect of the solid powder materials such as cement and lime and the liquid materials and the soil is improved, the process has great practical application value, and the construction efficiency is greatly improved.

[0050] Further optimization scheme, the included angle is 90°, so that the arc surface of the sickle-shaped arc-shaped cutter 8 and the right-angle bending of the transverse cutter 9 form a compound curved surface, the arc surface of the sickle-shaped arc-shaped cutter 8 cuts into the soil during rotation, and the arc-shaped design thereof is used to preliminarily cut and loosen the soil, so that the soil blocks are broken into smaller particles; the transverse cutter 9 is at a 90° included angle with the sickle-shaped arc-shaped cutter 8, and the right-angle bending forms a compound curved surface, which further enhances the processing capacity of the soil; after the sickle-shaped arc-shaped cutter 8 completes the preliminary cutting, the transverse cutter 9 performs a transverse turning and rubbing action on the soil, and such a compound action enables the soil particles to be subjected to force in the vertical and horizontal directions at the same time, so that the soil particles are more loose, thereby creating good conditions for subsequent mixing work.

[0051] Further optimization scheme, the liquid injection system includes a liquid material hopper 11 mounted on the main frame 5, the bottom of the liquid material hopper 11 is communicated with the liquid channel 7 through a water pipe 12, and a first electromagnetic valve 13 electrically connected with the control system 2 is mounted on the water pipe 12.

[0052] Further optimization scheme, the solid injection system includes a solid material hopper 14 mounted on the main frame 5, and a material pipe is fixedly mounted at the bottom of the solid material hopper 14, and a second electromagnetic valve electrically connected with the control system 2 is mounted on the material pipe.

[0053] The first electromagnetic valve 13 and the second electromagnetic valve can realize high-precision flow control, and the hopper-type storage structure of the liquid material hopper 11 and the solid material hopper 14 reduces the material segregation rate.

[0054] Further optimization scheme, the three-gear variable speed driving system includes a driving motor mounted on the main frame 5, a three-gear gearbox 15 is mounted on the output shaft of the driving motor, the output shaft of the three-gear gearbox 15 is drivingly connected with the main drive shaft 6 through a power converter 16, and the driving motor and the three-gear gearbox 15 are electrically connected with the control system 2.

[0055] The three-gear gearbox 15 cooperates with a wide speed regulation range of 20-60 rpm, and can adapt to various geological conditions such as silty soil to gravel soil.

[0056] Further optimization scheme, the three-gear gearbox 15 is mounted on the top of the main frame 5.

[0057] Further optimization scheme, the main drive shaft 6 is rotatably connected to the main frame 5 through a bearing.

[0058] Further optimization scheme, the sickle-shaped arc-shaped cutter 8 is detachably connected to the main drive shaft 6 through bolts, and a plurality of sickle-shaped arc-shaped cutters 8 are arranged at equal intervals in the circumferential direction; the bolt connection structure realizes quick replacement, cooperates with the application of anti-wear materials, prolongs the service life of the cutter, and reduces the maintenance cost.

[0059] Further optimization scheme, control system 2 is provided with the power device start key, stop key of the vehicle body 1;Forward key, reverse key;Left turn key, right turn key;The lifting, lowering key of the first lifting device 3;The lifting, lowering key of the second lifting device 4;Main transmission shaft 6 rotation, stop key;Main transmission shaft 6 speed increases, reduces the key;Liquid material opening increases, reduces the key;Solid material opening increases, reduces the key;Intelligent control is realized through control system 2, and construction efficiency and quality are improved.

[0060] The application also provides a use method of the large-scale soil in-situ intelligent mixing equipment.

[0061] Step one, control system 2 controls liquid injection system and solid injection system to be closed, and liquid material and fixed powder material are added to the liquid injection system and the solid injection system respectively;

[0062] Step two, the main transmission shaft 6 is driven to rotate through the three-gear variable speed drive system, and the sickle-shaped arc-shaped cutter 8 is driven to extend into the soil 20cm-30cm through the first lifting device 3;

[0063] Step three, control system 2 controls liquid injection system and solid injection system to be opened, and controls the discharge rate of the liquid injection system and the solid injection system;

[0064] Step four, control system 2 controls the vehicle body 1 to walk, realizes soil and curing agent mixing construction.

[0065] In the description of the application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the application.

[0066] Obviously, the above embodiments of the application are only examples for the sake of clear description of the application, and are not a limitation on the embodiments of the application. For ordinary skilled users in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement made within the spirit and principles of the application shall be included in the protection scope of the claims of the application.

Claims

1. A large-scale soil in-situ intelligent mixing equipment, characterized in that: include: A vehicle body (1), wherein a control system (2), a first lifting device (3) and a second lifting device (4) are installed on the vehicle body (1), and a main frame (5) is installed at the lifting end of the first lifting device (3); An injection mechanism, the injection mechanism comprising a liquid injection system and a solid injection system, the liquid injection system and the solid injection system both being mounted on the main frame (5); a three-speed variable speed drive system, the three-speed variable speed drive system being mounted on the main frame (5); a main transmission shaft (6) being mounted on an output end of the three-speed variable speed drive system; a liquid channel (7) being provided in the main transmission shaft (6) and being in communication with the liquid injection system; A sickle-like special loosening knife, the sickle-like special loosening knife comprising a plurality of sickle-like curved cutters (8) detachably connected to the main transmission shaft (6), a transverse cutter (9) being fixedly mounted on one end of the sickle-like curved cutter (8) away from the main transmission shaft (6), and an angle being provided between the transverse cutter (9) and the sickle-like curved cutter (8); The lifting end of the second lifting device (4) is rotatably connected to a cutting wheel (17) and a leveling wheel (18); a plurality of drain ports (10) are installed on the main transmission shaft (6); and the drain ports (10) are connected to the liquid channel (7); the vehicle body (1), the first lifting device (3), the second lifting device (4), the liquid injection system, the solid injection system and the three-speed transmission drive system are all electrically connected to the control system (2).

2. The large-scale in-situ intelligent soil mixing equipment according to claim 1 is characterized in that: The angle is 90°.

3. The large-scale in-situ intelligent soil mixing equipment according to claim 1 is characterized in that: The liquid injection system comprises a liquid material funnel (11) mounted on the main frame (5); the bottom of the liquid material funnel (11) is connected to the liquid channel (7) via a water pipe (12); a first solenoid valve (13) electrically connected to the control system (2) is mounted on the water pipe (12).

4. The large-scale in-situ intelligent soil mixing equipment according to claim 1 is characterized in that: The solid injection system comprises a solid material hopper (14) mounted on the main frame (5), a material pipe being fixedly mounted on the bottom of the solid material hopper (14), and a second solenoid valve electrically connected to the control system (2) being mounted on the material pipe.

5. The large-scale in-situ intelligent soil mixing equipment according to claim 1 is characterized in that: The three-speed transmission drive system includes a drive motor mounted on the main frame (5); the output shaft of the drive motor is mounted with a three-speed gearbox (15); the output shaft of the three-speed gearbox (15) is connected to the main transmission shaft (6) through a power converter (16); and the drive motor and the three-speed gearbox (15) are both electrically connected to the control system (2).

6. The large-scale in-situ intelligent soil mixing equipment according to claim 5 is characterized in that: The three-speed gearbox (15) is installed on the top of the main frame (5).

7. The large-scale in-situ intelligent soil mixing equipment according to claim 1 is characterized in that: The main transmission shaft (6) is rotatably connected to the main frame (5) via a bearing.

8. The large-scale in-situ intelligent soil mixing equipment according to claim 1 is characterized in that: The sickle-like curved cutter (8) is detachably connected to the main transmission shaft (6) via bolts, and a plurality of the sickle-like curved cutters (8) are arranged at equal intervals in the circumferential direction.

9. A method for using a large-scale soil in-situ intelligent mixing device, based on the large-scale soil in-situ intelligent mixing device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1, the control system (2) controls the liquid injection system and the solid injection system to be closed, and adds liquid material and fixed powder material into the liquid injection system and the solid injection system respectively; Step 2: The main transmission shaft (6) is driven to rotate by the three-speed variable speed drive system, and the sickle-like arc-shaped cutter (8) is driven to extend 20 cm to 30 cm into the soil by the first lifting device (3); Step 3, the control system (2) controls the opening of the liquid injection system and the solid injection system, and controls the discharge rate of the liquid injection system and the solid injection system; Step 4: The control system (2) controls the vehicle body (1) to move, thereby achieving the mixing construction of the soil and the curing agent.

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