Grouting device for geotechnical engineering

Abstract

The utility model discloses a geotechnical engineering grouting device which comprises a mixing drum and moving frames, the moving frames are symmetrically arranged outside the mixing drum, a drum cover is movably installed at the top end of the mixing drum, a rotating shaft penetrates through the interior of the mixing drum below the drum cover, and the two ends of the rotating shaft extend to the top ends of the moving frames. An opening box is mounted in the center of the bottom end of the stirring barrel, and a T-shaped ring is movably mounted at the top end of the opening box. According to the grouting device, the grouting position can be conveniently adjusted in a rotating mode, the grouting angle can be rapidly adjusted in a deflection mode, the grouting device can conveniently conduct multi-position grouting treatment, the grouting device can be conveniently and rapidly matched with rock soil at different positions to conduct grouting treatment, the flexibility of rotation adjustment of the grouting device is improved, and the grouting device is convenient to use. And the convenience of deflection adjustment of the grouting device and the grouting efficiency of complex positions are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting devices, in particular to a grouting device for geotechnical engineering. Background Art

[0002] Geotechnical engineering is a discipline that studies soil, rock, their engineering properties and their applications in engineering. It mainly studies the physical and mechanical properties, mechanical characteristics, hydrogeological characteristics, engineering geological characteristics of soil and rock, as well as their engineering applications in the fields of construction, railways, highways, water conservancy, ports, tunnels, underground engineering, etc. Geotechnical engineering testing technology is not only very important in geotechnical engineering construction practice, but also plays a decisive role in the formation and development of geotechnical engineering theory. Theoretical analysis, indoor and outdoor testing and engineering practice are three important aspects of geotechnical engineering analysis. Many theories in geotechnical engineering are based on experiments. Testing technology is also an important means to ensure the rationality of geotechnical engineering design and construction quality.

[0003] For example, a geotechnical engineering grouting device disclosed in the authorization announcement number CN217746603U includes a transport vehicle, a stirring device is installed at one end of the top of the transport vehicle, a grouting pump is installed at one end of the top of the transport vehicle, the output end of the grouting pump is connected to an output pipe, a fixing device is provided on the outer surface of the output pipe, the stirring device includes a stirring drum, the stirring drum is installed at one end of the top of the transport vehicle, and a mounting frame is installed on the top of the stirring drum;

[0004] Although it realizes the stability of the pipeline by setting a fixing device, a combination of a hook, a rectangular limit plate and a baffle, it can stabilize the state of the pipeline according to the shape characteristics of the grouting position, or add a device, so as to maintain the stability of the pipeline at the grouting port, reduce the influence of the vibration generated by the flow of slurry in the pipeline on the grouting stability during grouting, and achieve the effect of improving the grouting efficiency;

[0005] However, the problems that the existing grouting device is not conducive to convenient rotational adjustment of the grouting position, rapid deflection adjustment of the grouting angle, multi-position grouting treatment, and rapid adaptation of the grouting device to rock and soil in different positions for grouting treatment during use have not been solved, which affects the flexibility of the rotation adjustment of the grouting device, greatly affects the convenience of the deflection adjustment of the grouting device and the efficiency of grouting in complex positions. Utility Model Content

[0006] The purpose of the utility model is to provide a geotechnical engineering grouting device to solve the problems proposed in the above background technology that the grouting device is not convenient for convenient rotational adjustment of the grouting position, rapid deflection adjustment of the grouting angle, is not conducive to the grouting device for multi-position grouting treatment, is not conducive to the grouting device for rapid adaptation to geotechnical positions for grouting treatment, affects the flexibility of the grouting device for rotational adjustment, affects the convenience of the grouting device for deflection adjustment and the efficiency of grouting in complex positions.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a geotechnical engineering grouting device comprises a mixing drum and a movable frame, the outer side of the mixing drum is symmetrically arranged with the movable frame, the top of the mixing drum is movably installed with a drum cover, the interior of the mixing drum below the drum cover is penetrated by a rotating shaft, and the two ends of the rotating shaft extend to the top of the movable frame, an open box is installed at the center position of the bottom end of the mixing drum, the top of the open box is movably installed with a T-shaped ring, the bottom center position of the T-shaped ring is installed, the bottom end of the vertical arm is movably installed with a cross arm, the top of the cross arm is movably installed with an upper clamping shaft, and the cross arm is connected with the vertical arm through the upper clamping shaft, the end of the cross arm away from the vertical arm is installed with a linkage frame, the bottom end of the linkage frame is movably installed with a grouting nozzle, the outer wall of the grouting nozzle is movably installed with an upper linkage shaft, and the grouting nozzle is connected with the linkage frame through the upper linkage shaft.

[0008] Preferably, a rotating motor is installed on the top of the movable frame on one side of the mixing drum, and the output end of the rotating motor is connected to the rotating shaft, the surface of the rotating shaft on one side of the mixing drum is symmetrically covered with limit sleeves, and the limit sleeves are movably connected to the rotating shaft, and the limit sleeves are fixedly connected to the mixing drum, the surface of the rotating shaft inside the mixing drum is covered with two groups of stirring paddles at equal intervals, and a fixed seat is installed on the top of the movable frame on the other side of the mixing drum, and the fixed seat is movably connected to the rotating shaft.

[0009] Preferably, a servo motor is installed at the bottom end of the open box on one side of the vertical arm, a transmission gear is installed at the output end of the servo motor, an annular gear is installed at the bottom end of the T-ring on one side of the transmission gear, the transmission gear is meshed with the annular gear, and the annular gear is movably connected to the open box.

[0010] Preferably, the bottom end of the T-ring is sleeved with an annular retaining ring, and the annular retaining ring is fixedly connected to the mixing drum, and the annular retaining ring is movably connected to the T-ring, and the surface of the T-ring above the annular retaining ring is sleeved with a sealing ring, and the sealing ring is movably connected to the T-ring.

[0011] Preferably, a liquid pump is installed inside the T-ring on one side of the annular retaining ring, a feed port is provided at the top of the T-ring above the liquid pump, and the feed port is connected to the liquid pump, a feed hose is installed at the bottom of the liquid pump below the feed port, and the feed hose extends to the outside of the T-ring, and the feed hose extends to the inside of the grouting nozzle through the vertical arm and the linkage frame.

[0012] Preferably, a stepper motor is installed on the outer wall of the movable frame on one side of the rotating motor, and a worm is installed at the output end of the stepper motor.

[0013] Preferably, a worm wheel is mounted on the surface of the limiting sleeve above the worm, and the worm wheel is fixedly connected to the limiting sleeve.

[0014] Preferably, an upper electric push rod is movably mounted on the outer wall of the vertical arm below the T-shaped ring, a lower clamping shaft is mounted on the output end of the upper electric push rod, and the upper electric push rod is movably connected to the cross arm via the lower clamping shaft.

[0015] Preferably, a lower electric push rod is movably installed inside the cross arm on one side of the linkage frame, a lower linkage shaft is installed at the output end of the lower electric push rod, and the lower electric push rod is movably connected to the grouting nozzle through the lower linkage shaft.

[0016] Preferably, a remote controller is installed on the outer wall of the movable frame on one side of the cross arm, and the output end of the remote controller is electrically connected to the input ends of the rotary motor, the stepper motor, the servo motor, the upper electric push rod, and the lower electric push rod.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the grouting device not only realizes the convenient rotation adjustment of the grouting position and the rapid deflection adjustment of the grouting angle, which facilitates the grouting device to perform grouting treatment at multiple positions and facilitates the grouting device to quickly adapt to the rock and soil at different positions for grouting treatment, but also improves the flexibility of the rotation adjustment of the grouting device, improves the convenience of the deflection adjustment of the grouting device and the efficiency of grouting at complex positions;

[0018] (1) The rotating shaft is driven to rotate by a rotating motor, and the rotating shaft drives the stirring paddle to rotate. At the same time, the staff pours the required materials and water into the mixing drum in sequence. The materials and water entering the mixing drum are stirred and mixed with the cooperation of the stirring paddle and the mixing drum. The liquid pump transports the slurry inside the feed port to the inside of the feed hose. The servo motor drives the transmission gear to rotate. The transmission gear drives the T-ring, vertical arm, horizontal arm, linkage frame, and grouting nozzle to rotate synchronously through the annular gear plate to facilitate the grouting device to perform circular rotation position grouting treatment, realize the grouting device to conveniently adjust the grouting position by rotation, facilitate the grouting device to perform grouting treatment at multiple positions, facilitate the grouting device to quickly stir and mix the materials and water, and improve the flexibility of the grouting device rotation adjustment;

[0019] (2) The stepper motor drives the worm to rotate, and the worm drives the limit sleeve to rotate through the worm gear. The limit sleeve rotates on the surface of the rotating shaft, and the limit sleeve drives the mixing drum to rotate synchronously. At the same time, the mixing drum drives the vertical arm, the horizontal arm, and the grouting nozzle to rotate synchronously. After rotating to the specified position, the staff inserts the grouting nozzle into the specified hole to facilitate the grouting operation. The upper electric push rod drives the horizontal arm to rotate with the upper clamping shaft as the axis through the lower clamping shaft. After rotating to the moving angle, the lower electric push rod drives the grouting nozzle to rotate with the upper linkage shaft as the axis through the lower linkage shaft to facilitate the grouting nozzle to be inserted into the hole drilled in the geotechnical engineering, so as to facilitate the subsequent grouting treatment inside. The grouting device can quickly adjust the grouting angle by deflection, which is convenient for the grouting device to quickly adapt to the rock and soil in different positions for grouting treatment, increase the range of the rotation adjustment angle of the grouting device, improve the convenience of the deflection adjustment of the grouting device, and improve the efficiency of grouting in complex positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the mobile frame of the utility model;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the cross arm of the utility model;

[0024] Figure 5 It is a schematic diagram of the front cross-sectional structure of the mixing drum of the utility model;

[0025] Figure 6 It is a front view cross-sectional structural schematic diagram of the upper electric push rod of the utility model;

[0026] Figure 7 It is a front view cross-sectional structural diagram of the T-ring of the utility model;

[0027] Figure 8 It is a front view structural schematic diagram of the mixing drum of the present utility model.

[0028] In the figure: 1. mixing drum; 2. moving frame; 3. drum cover; 4. rotating shaft; 5. opening box; 6. T-ring; 7. vertical arm; 8. horizontal arm; 9. upper clamping shaft; 10. linkage frame; 11. grouting nozzle; 12. upper linkage shaft; 13. rotating motor; 14. limiting sleeve; 15. fixing seat; 16. stepping motor; 17. worm; 18. worm wheel; 19. stirring paddle; 20. servo motor; 21. transmission gear; 22. annular gear plate; 23. upper electric push rod; 24. lower clamping shaft; 25. remote controller; 26. annular retaining ring; 27. liquid pump; 28. feed port; 29. ​​feed hose; 30. lower electric push rod; 31. lower linkage shaft; 32. sealing ring. DETAILED DESCRIPTION

[0029] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0030] See also Figure 1-8 The utility model provides an embodiment: a geotechnical engineering grouting device, comprising a mixing drum 1 and a mobile frame 2, the mobile frame 2 is symmetrically arranged on the outside of the mixing drum 1, a drum cover 3 is movably installed on the top of the mixing drum 1, a rotating shaft 4 is penetrated inside the mixing drum 1 below the drum cover 3, and both ends of the rotating shaft 4 extend to the top of the mobile frame 2, an open box 5 is installed at the center of the bottom end of the mixing drum 1, a T-shaped ring 6 is movably installed on the top of the open box 5, a vertical arm 7 is installed at the center of the bottom end of the T-shaped ring 6, a cross arm 8 is movably installed on the bottom end of the vertical arm 7, an upper clamping shaft 9 is movably installed on the top of the cross arm 8, and the cross arm 8 is connected to the vertical arm 7 through the upper clamping shaft 9, a linkage frame 10 is installed at one end of the cross arm 8 away from the vertical arm 7, a grouting nozzle 11 is movably installed at the bottom end of the linkage frame 10, an upper linkage shaft 12 is movably installed on the outer wall of the grouting nozzle 11, and the grouting nozzle 11 is connected to the linkage frame 10 through the upper linkage shaft 12;

[0031] A rotating motor 13 is installed at the top of the mobile frame 2 on one side of the mixing drum 1, and the output end of the rotating motor 13 is connected to the rotating shaft 4, and the rotating motor 13 plays a role of power driving. The surface of the rotating shaft 4 on one side of the mixing drum 1 is symmetrically covered with a limiting sleeve 14, and the limiting sleeve 14 is movably connected to the rotating shaft 4, and the limiting sleeve 14 is fixedly connected to the mixing drum 1. The surface of the rotating shaft 4 inside the mixing drum 1 is covered with two groups of stirring paddles 19 at equal intervals. A fixing seat 15 is installed at the top of the mobile frame 2 on the other side of the mixing drum 1, and the fixing seat 15 is movably connected to the rotating shaft 4.

[0032] A servo motor 20 is installed at the bottom end of the open box 5 on one side of the vertical arm 7. The servo motor 20 plays a role of power driving. A transmission gear 21 is installed at the output end of the servo motor 20. An annular toothed disc 22 is installed at the bottom end of the T-ring 6 on one side of the transmission gear 21. The transmission gear 21 is meshed with the annular toothed disc 22, and the annular toothed disc 22 is movably connected to the open box 5.

[0033] The rotating motor 13 is turned on by operating the remote controller 25. Under the support of the mobile frame 2, the rotating motor 13 drives the rotating shaft 4 to rotate. The limiting sleeve 14 movably supports the rotating shaft 4. The fixed seat 15 movably supports the rotating shaft 4. The rotating shaft 4 drives the stirring paddle 19 to rotate. At the same time, the staff pours the required materials and water into the interior of the mixing drum 1 in sequence. The materials and water entering the mixing drum 1 are stirred and mixed with the cooperation of the stirring paddle 19 and the mixing drum 1. When the slurry inside the mixing drum 1 reaches a certain level, the rotating motor 13 is turned off by operating the remote controller 25. The rotating motor 13 drives the stirring paddle 19 to stop rotating. The slurry inside the mixing drum 1 is affected by its own gravity and flows into the bottom end of the mixing drum 1. At the same time, part of the slurry enters the interior of the feed port 28. At the same time, the remote controller 25 is operated to turn on the liquid pump 27. Under the support of the T-ring 6, the liquid pump 27 transports the slurry inside the feed port 28 to the feed port 28. The inside of the hose 29, and the annular retaining ring 26 limit the T-ring 6, and the annular retaining ring 26 and the T-ring 6 are sealed and connected by a sealing ring 32 to prevent the slurry inside the mixing drum 1 from flowing out from the gap between the annular retaining ring 26 and the T-ring 6. When it is necessary to change the grouting position of the grouting nozzle 11, the servo motor 20 is turned on by operating the remote controller 25. Under the support of the opening box 5, the servo motor 20 drives the transmission gear 21 to rotate. Under the meshing action of the transmission gear 21 and the annular gear plate 22, the transmission gear 21 drives the T-ring 6, the vertical arm 7, the horizontal arm 8, the linkage frame 10, and the grouting nozzle 11 to rotate synchronously through the annular gear plate 22 to facilitate the grouting device to perform circular rotation position grouting treatment, realize the grouting device to conveniently adjust the grouting position by rotation, facilitate the grouting device to perform grouting treatment at multiple positions, facilitate the grouting device to quickly stir and mix materials and water, and improve the flexibility of the grouting device to rotate and adjust;

[0034] The bottom end of the T-ring 6 is sleeved with an annular retaining ring 26, and the annular retaining ring 26 is fixedly connected to the mixing drum 1, and the annular retaining ring 26 is movably connected to the T-ring 6. The surface of the T-ring 6 above the annular retaining ring 26 is sleeved with a sealing ring 32, and the sealing ring 32 is movably connected to the T-ring 6. A liquid pump 27 is installed inside the T-ring 6 on one side of the annular retaining ring 26, and a feed port 28 is provided at the top of the T-ring 6 above the liquid pump 27, and the feed port 28 is connected to the liquid pump 27. A feed hose 29 is installed at the bottom end of the liquid pump 27 below the feed port 28, and the feed hose 29 extends to the outside of the T-ring 6, and the feed hose 29 extends to the inside of the grouting nozzle 11 through the vertical arm 7 and the linkage frame 10;

[0035] A stepper motor 16 is installed on the outer wall of the mobile frame 2 on one side of the rotating motor 13. The stepper motor 16 plays a role of power drive. A worm 17 is installed at the output end of the stepper motor 16. A worm wheel 18 is mounted on the surface of the limit sleeve 14 above the worm 17, and the worm wheel 18 is fixedly connected to the limit sleeve 14.

[0036] An upper electric push rod 23 is movably mounted on the outer wall of the vertical arm 7 below the T-shaped ring 6, a lower clamping shaft 24 is mounted on the output end of the upper electric push rod 23, and the upper electric push rod 23 is movably connected to the cross arm 8 through the lower clamping shaft 24;

[0037] A lower electric push rod 30 is movably installed inside the cross arm 8 on one side of the linkage frame 10, and a lower linkage shaft 31 is installed at the output end of the lower electric push rod 30, and the lower electric push rod 30 is movably connected to the grouting nozzle 11 through the lower linkage shaft 31;

[0038] A remote controller 25 is installed on the outer wall of the mobile frame 2 on one side of the cross arm 8, and the output end of the remote controller 25 is electrically connected to the input ends of the rotary motor 13, the stepping motor 16, the servo motor 20, the upper electric push rod 23, and the lower electric push rod 30;

[0039] When grouting work is needed at a higher or lower place, the stepper motor 16 is turned on by operating the remote controller 25. Under the support of the mobile frame 2, the stepper motor 16 drives the worm 17 to rotate. Under the meshing action of the worm 17 and the worm wheel 18, the worm 17 drives the limit sleeve 14 to rotate through the worm wheel 18. The limit sleeve 14 rotates on the surface of the rotating shaft 4, and the limit sleeve 14 drives the mixing drum 1 to rotate synchronously. At the same time, the mixing drum 1 drives the vertical arm 7, the horizontal arm 8, and the grouting nozzle 11 to rotate synchronously. After rotating to the specified position, the staff inserts the grouting nozzle 11 into the specified hole to facilitate the grouting operation. When the space outside the grouting position is relatively small, it is not easy for the entire device to enter it. The upper electric push rod 23 is turned on by operating the remote controller 25. When the vertical arm 7 is movable, the upper electric push rod 23 is turned on. Under dynamic support, the upper electric push rod 23 drives the cross arm 8 to rotate around the upper clamping shaft 9 through the lower clamping shaft 24. After rotating to the moving angle, the upper electric push rod 23 is closed by operating the remote controller 25, and the lower electric push rod 30 is opened. Under the support of the cross arm 8, the lower electric push rod 30 drives the grouting nozzle 11 to rotate around the upper linkage shaft 12 through the lower linkage shaft 31, so as to facilitate the grouting nozzle 11 to be inserted into the hole drilled in the geotechnical engineering, and facilitate the subsequent grouting treatment inside it, thereby realizing the rapid deflection adjustment of the grouting angle by the grouting device, facilitating the grouting device to quickly adapt to the rock and soil in different positions for grouting treatment, increasing the range of the rotation adjustment angle of the grouting device, improving the convenience of the deflection adjustment of the grouting device, and improving the efficiency of grouting in complex positions.

[0040] Working principle: When in use, an external power supply is connected. First, the staff moves the device to the designated geotechnical grouting position through two sets of mobile frames 2. The staff manually moves the drum cover 3, and changes the drum cover 3 from the contact state with the mixing drum 1 to the separation state, so as to facilitate the subsequent pouring of the materials and water required for grouting into the interior of the mixing drum 1. After ensuring that the drum cover 3 has been opened, the rotating motor 13 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the stirring paddle 19 to rotate. At the same time, the staff pours the required materials and water into the interior of the mixing drum 1 in turn and enters the mixing drum. 1, the material and water inside the mixing drum 1 are stirred and mixed under the cooperation of the stirring paddle 19 and the mixing drum 1. When the slurry inside the mixing drum 1 reaches a certain level, the liquid pump 27 transports the slurry inside the feed port 28 to the inside of the feeding hose 29. At the same time, the annular retaining ring 26 limits the T-ring 6. The annular retaining ring 26 and the T-ring 6 are sealed and connected by a sealing ring 32 to prevent the slurry inside the mixing drum 1 from flowing out from the gap between the annular retaining ring 26 and the T-ring 6. When the grouting position of the grouting nozzle 11 needs to be adjusted, the grouting nozzle 11 is moved to the mixing drum 1. When the line is replaced, the servo motor 20 drives the transmission gear 21 to rotate, and the transmission gear 21 drives the T-ring 6, the vertical arm 7, the horizontal arm 8, the linkage frame 10, and the grouting nozzle 11 to rotate synchronously through the annular gear plate 22 to facilitate the grouting device to perform circular rotation position grouting treatment, and the stepper motor 16 drives the worm 17 to rotate, and the worm 17 drives the limit sleeve 14 to rotate through the worm gear 18. The limit sleeve 14 rotates on the surface of the rotating shaft 4, and the limit sleeve 14 drives the mixing drum 1 to rotate synchronously. At the same time, the mixing drum 1 drives the vertical arm 7, the horizontal arm 8, the grouting nozzle 1 1 rotates synchronously. After rotating to the specified position, the staff inserts the grouting nozzle 11 into the specified hole to facilitate the grouting operation. The upper electric push rod 23 drives the cross arm 8 to rotate around the upper clamping shaft 9 through the lower clamping shaft 24. After rotating to the moving angle, the lower electric push rod 30 drives the grouting nozzle 11 to rotate around the upper linkage shaft 12 through the lower linkage shaft 31 to facilitate the insertion of the grouting nozzle 11 into the hole drilled in the geotechnical engineering, so as to facilitate the subsequent grouting treatment inside the hole to complete the use of the grouting device.

[0041] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A geotechnical engineering grouting device, comprising a mixing drum and a mobile frame, characterized in that: A movable frame is symmetrically arranged on the outside of the mixing drum, a drum cover is movably installed on the top of the mixing drum, a rotating shaft passes through the interior of the mixing drum below the drum cover, and both ends of the rotating shaft extend to the top of the movable frame, an open box is installed at the center position of the bottom end of the mixing drum, a T-ring is movably installed on the top of the open box, a vertical arm is installed at the center position of the bottom end of the T-ring, a cross arm is movably installed on the bottom end of the vertical arm, an upper clamping shaft is movably installed on the top of the cross arm, and the cross arm is connected to the vertical arm through the upper clamping shaft, a linkage frame is installed on the end of the cross arm away from the vertical arm, a grouting nozzle is movably installed on the bottom end of the linkage frame, an upper linkage shaft is movably installed on the outer wall of the grouting nozzle, and the grouting nozzle is connected to the linkage frame through the upper linkage shaft.

2. A geotechnical engineering grouting device according to claim 1, characterized in that: A rotating motor is installed on the top of the mobile frame on one side of the mixing drum, and the output end of the rotating motor is connected to the rotating shaft, the surface of the rotating shaft on one side of the mixing drum is symmetrically covered with a limiting sleeve, and the limiting sleeve is movably connected to the rotating shaft, and the limiting sleeve is fixedly connected to the mixing drum, the surface of the rotating shaft inside the mixing drum is covered with two groups of stirring paddles with equal spacing, and a fixed seat is installed on the top of the mobile frame on the other side of the mixing drum, and the fixed seat is movably connected to the rotating shaft.

3. A geotechnical engineering grouting device according to claim 1, characterized in that: A servo motor is installed at the bottom end of the open box on one side of the vertical arm, a transmission gear is installed at the output end of the servo motor, an annular gear is installed at the bottom end of the T-ring on one side of the transmission gear, the transmission gear is meshed with the annular gear, and the annular gear is movably connected to the open box.

4. A geotechnical engineering grouting device according to claim 1, characterized in that: The bottom end of the T-ring is sleeved with an annular retaining ring, and the annular retaining ring is fixedly connected to the mixing drum, and the annular retaining ring is movably connected to the T-ring. The surface of the T-ring above the annular retaining ring is sleeved with a sealing ring, and the sealing ring is movably connected to the T-ring.

5. A geotechnical engineering grouting device according to claim 4, characterized in that: A liquid pump is installed inside the T-ring on one side of the annular retaining ring, a feed port is provided at the top of the T-ring above the liquid pump, and the feed port is connected to the liquid pump, a feed hose is installed at the bottom of the liquid pump below the feed port, and the feed hose extends to the outside of the T-ring, and extends to the inside of the grouting nozzle through the vertical arm and the linkage frame.

6. A geotechnical engineering grouting device according to claim 2, characterized in that: A stepper motor is installed on the outer wall of the moving frame at one side of the rotating motor, and a worm is installed at the output end of the stepper motor.

7. A geotechnical engineering grouting device according to claim 6, characterized in that: A worm wheel is sleeved on the surface of the limiting sleeve above the worm, and the worm wheel is fixedly connected to the limiting sleeve.

8. A geotechnical engineering grouting device according to claim 1, characterized in that: An upper electric push rod is movably mounted on the outer wall of the vertical arm below the T-shaped ring, a lower clamping shaft is mounted on the output end of the upper electric push rod, and the upper electric push rod is movably connected to the cross arm via the lower clamping shaft.

9. A geotechnical engineering grouting device according to claim 1, characterized in that: A lower electric push rod is movably installed inside the cross arm on one side of the linkage frame, a lower linkage shaft is installed at the output end of the lower electric push rod, and the lower electric push rod is movably connected to the grouting nozzle through the lower linkage shaft.

10. A geotechnical engineering grouting device according to claim 1, characterized in that: A remote controller is installed on the outer wall of the mobile frame on one side of the cross arm, and the output end of the remote controller is electrically connected to the input ends of the rotary motor, the stepper motor, the servo motor, the upper electric push rod and the lower electric push rod.

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