A fiber-reinforced light soil solidification forming device

Abstract

The utility model belongs to light soil body solidification forming equipment technical field discloses a kind of light soil body solidification forming devices in combination with fiber reinforcement, including mixing barrel, fiber providing device, stirring device and forming device, stirring device includes installation shell, and installation shell is connected with center shaft and first motor, and center shaft is connected with driving gear and planet carrier, and planet carrier is rotatably connected with several driven gears, and several driven gears are all engaged with driving gear outside, and the inner wall of installation shell is equipped with inner ring gear, and several driven gears are all engaged with inner ring gear inside;Center shaft and periphery shaft are all connected with stirring assembly.The utility model utilizes driving gear, driven gear and the autorotation and revolution of stirring assembly, and the material in mixing barrel is stirred in all directions, to realize that fiber is fully, evenly dispersed in light soil body;Fiber is stably batched into light soil body mixture using fiber providing device, to avoid fiber agglomeration.

Description

Technical Field

[0001] This utility model relates to the technical field of lightweight soil solidification and molding equipment, and in particular to a lightweight soil solidification and molding device incorporating fiber reinforcement. Background Technology

[0002] Lightweight soil, as a new type of geosynthetic material, has been widely used in transportation engineering, municipal construction, and building construction due to its low density, high strength, good fluidity, and excellent volume stability. To further improve the crack resistance, toughness, and overall mechanical properties of lightweight soil, fiber reinforcement technology is often used in engineering. This involves incorporating short-cut fibers (2-10mm) such as polypropylene fibers, glass fibers, and basalt fibers into the lightweight soil. The solidification and molding steps of fiber-reinforced lightweight soil mainly include: screening the soil material, pre-treating the fibers to reduce agglomeration, preparing the curing agent and lightweight components, etc.; first, mixing the soil material with the curing agent and water into a paste, then adding the fibers in batches and stirring at high speed to promote dispersion, and finally introducing air bubbles or lightweight aggregates; pouring the mixed material into molds in layers; and promoting the solidification reaction through measures such as moisturizing and temperature control to ensure stable strength growth of the soil.

[0003] However, existing methods for solidifying and molding fiber-reinforced lightweight soils mostly rely on traditional mixing equipment (such as forced mixers and gravity mixers) to mix the material and then pour it into molds. The material is compacted by gravity or simple pressure, which cannot allow the fibers to be fully and evenly dispersed in the lightweight soil. Some fibers are prone to agglomeration, resulting in excessively high or low local strength of the solidified soil and reducing the overall consistency of the material properties. Utility Model Content

[0004] This invention aims to provide a fiber-reinforced lightweight soil solidification and molding device. Utilizing the rotation and circumference of the driving gear, driven gear, and mixing components, the material in the mixing tank is stirred omnidirectionally to achieve full and uniform dispersion of fibers in the lightweight soil. A fiber supply device stably and batch-wise adds fibers to the lightweight soil mixture, preventing fiber agglomeration and improving the consistency of overall material properties. This addresses the problems in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A fiber-reinforced lightweight soil solidification molding device includes a base, on which a mixing tank, a fiber supply device, a mixing device, and a molding device are connected. The mixing device includes a mounting housing located above the mixing tank, a central rotating shaft rotatably connected to the mounting housing, a driving gear connected to the central rotating shaft, and a first motor connected to the mounting housing for driving the central rotating shaft. A planetary carrier is rotatably connected to the central rotating shaft, and a plurality of driven gears are rotatably connected to the planetary carrier via peripheral rotating shafts. The plurality of driven gears mesh externally with the driving gear. An internal gear ring is provided on the inner wall of the mounting housing, and the plurality of driven gears mesh internally with the internal gear ring. A mixing assembly is coaxially connected to both the central rotating shaft and the peripheral rotating shaft, and the mixing assembly is located inside the mixing tank. A discharge pipe with a valve is connected to the bottom of the mixing tank, and the discharge pipe faces the molding device. A feeding port is provided at the top of the mixing tank. The fiber supply device supplies fibers into the mixing tank.

[0007] Furthermore, the molding device includes a molding die and a base frame connected to the base, the base frame being located above the molding die, and the base frame being connected to a plurality of vibrating rods.

[0008] Furthermore, the base frame is connected to a telescopic member, and the telescopic end of the telescopic member is connected to the vibrating rod.

[0009] Furthermore, the telescopic component is an electric telescopic rod or a pneumatic telescopic rod.

[0010] Furthermore, the stirring assembly includes a stirring rod, and a spiral stirring blade is connected to the outside of the stirring rod.

[0011] Furthermore, the fiber supply device includes a conveying pipe with an outlet and an inlet. The outlet is directly opposite the feeding port, and the inlet is used to feed fibers. A connecting rod is rotatably connected inside the conveying pipe, and a spiral blade is connected to the connecting rod. A second motor that drives the connecting rod to rotate is connected to the conveying pipe.

[0012] Furthermore, the inlet is connected to an inverted funnel-shaped storage silo.

[0013] Furthermore, the transmission ratio between the driving gear and the driven gear is 1.

[0014] Furthermore, the mounting housing is connected to the base via a telescopic rod, and the telescopic rod is detachably connected to the base.

[0015] Furthermore, the bottom of the mixing barrel is connected to a slide rail, the base is provided with a slide groove, the slide rail is slidably connected in the slide groove, and the base is provided with fixing bolts for fixing the mixing barrel.

[0016] The principles and beneficial effects of the technical solution:

[0017] 1. This utility model provides a fiber-reinforced lightweight soil solidification molding device. The base can be set on the ground or a mechanical platform for installing various components. The top of the mixing tank is equipped with a feeding port for feeding lightweight soil mixture and fiber. The bottom of the mixing tank is connected to a discharge pipe with a valve, and the discharge pipe is directly facing the molding device to facilitate pouring the evenly mixed lightweight soil mixture into the molding device. Layered pouring can also be achieved by controlling the valve. A fiber supply device is used to convey fiber into the mixing tank. The mixing device includes a mounting shell located above the mixing tank. The mounting shell is rotatably connected to a central rotating shaft. A drive gear is connected to the central rotating shaft. The mounting shell is equipped with a first motor for driving the central rotating shaft. The central rotating shaft is rotatably connected to a planetary carrier. The planetary carrier is rotatably connected to several driven gears through peripheral rotating shafts. All driven gears mesh with the drive gear. An internal gear ring is provided on the inner wall of the mounting shell, and all driven gears mesh with the internal gear ring. The first motor drives the central rotating shaft to rotate. The rotating shaft drives the driving gear to rotate. Under the combined action of the driving gear, internal gear ring, and planetary carrier, the driven gear rotates circumferentially along the circumference of the driving gear while rotating on its own peripheral shaft. The central shaft drives the mixing component connected to it to rotate, and the peripheral shaft drives the mixing component connected to it to rotate circumferentially along the circumference of the driving gear. The rotation direction of the mixing component connected to the peripheral shaft is opposite to that of the mixing component connected to the central shaft. The driving gear, several driven gears, and the mixing component work together to mix the lightweight soil mixture and fibers in all directions, further promoting the uniform mixing of the lightweight soil mixture and fibers. The fact that the rotation direction of the mixing component connected to the peripheral shaft is opposite to that of the mixing component connected to the central shaft can prevent the fibers from agglomerating in the same direction, allowing the fibers to be fully and evenly dispersed in the lightweight soil, avoiding excessively high or low local strength of the solidified soil, and improving the consistency of the overall material properties.

[0018] 2. This utility model provides a fiber-reinforced lightweight soil solidification molding device. The molding device includes a molding mold and a base frame connected to a base. The base frame is located above the molding mold and is connected to several vibrating rods. The vibrating rods can induce a liquefaction effect in the lightweight soil mixture through high-frequency vibration, eliminating air bubbles and reducing voids, thereby improving the density and strength of the lightweight soil mixture. Furthermore, the base frame is connected to a telescopic component, the telescopic end of which is connected to the vibrating rods. The telescopic component can be an electric or pneumatic telescopic rod, and its extension and retraction can be controlled as needed to meet the requirements of layered pouring, further improving the density of the lightweight soil mixture.

[0019] 3. This utility model provides a fiber-reinforced lightweight soil solidification molding device. The mixing component includes a mixing rod with spiral mixing blades connected to its outer side. The spiral mixing blades further promote the uniform mixing of the lightweight soil mixture and the fibers, ensuring that the fibers are fully and evenly dispersed in the lightweight soil, thus preventing excessively high or low local strength in the solidified soil. Furthermore, the fiber supply device includes an inverted funnel-shaped storage silo and a screw feeder. The screw feeder includes a conveying pipe with a connecting rod rotatably connected inside. The connecting rod is connected to spiral blades. The conveying pipe is equipped with a second motor that drives the connecting rod to rotate. The required fibers are placed in the storage silo in advance. The motor drives the connecting rod and spiral blades to rotate, conveying the fibers into the mixture. The fiber conveying speed can be adjusted according to the rotation speed of the connecting rod, allowing for simultaneous mixing and fiber addition. The conveying speed can be accurately controlled / adjusted, further preventing fiber agglomeration and ensuring that the fibers are fully and evenly dispersed in the lightweight soil, thus preventing excessively high or low local strength in the solidified soil and improving the overall consistency of material properties. The transmission ratio between the driving gear and the driven gear is 1, which means that the mixing components corresponding to the central shaft and the mixing components corresponding to the peripheral shafts rotate at the same speed. This can further promote the uniformity of mixing of lightweight soil and fiber in the mixing tank and improve the consistency of overall material properties.

[0020] 4. The present invention provides a fiber-reinforced lightweight soil solidification molding device, wherein the mounting shell and the base are connected by a telescopic rod, and the telescopic rod and the mounting base are detachably connected to facilitate adjustment of the height of the mixing component according to the size of the mixing tank; the bottom of the mixing tank is connected to a slide rail, the base is provided with a slide groove, the slide rail is slidably connected in the slide groove, and the base is provided with fixing bolts for fixing the mixing tank to facilitate replacement of the mixing tank, and the setting of the slide rail and slide groove can realize the positioning of the mixing tank so that it corresponds to the mixing component. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a fiber-reinforced lightweight soil solidification and molding device according to the present invention.

[0022] Figure 2 This is a top view of a fiber-reinforced lightweight soil solidification and molding device according to the present invention.

[0023] Figure 3 For the present utility model Figure 2 A sectional view of AA;

[0024] Figure 4 This is a front view of a fiber-reinforced lightweight soil solidification and molding device according to the present invention.

[0025] Figure 5 For the present utility model Figure 4 A cross-sectional view of BB;

[0026] Figure 6 For the present utility model Figure 4 A cross-sectional view of CC.

[0027] The names of the corresponding labels in the attached diagram are:

[0028] 1. Base; 2. Mixing tank; 3. Slide rail; 4. Slide chute; 5. Feeding port; 6. Discharge pipe; 7. Valve; 8. Mounting housing; 9. Telescopic rod; 10. First motor; 11. Central shaft; 12. Drive gear; 13. Peripheral shaft; 14. Driven gear; 15. Planetary carrier; 16. Internal gear ring; 17. Stirring rod; 18. Stirring blade; 19. Conveying pipe; 20. Outlet; 21. Inlet; 22. Storage bin; 23. Connecting rod; 24. Spiral blade; 25. Second motor; 26. Molding mold; 27. Base frame; 28. Telescopic component; 29. ​​Vibrator. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0030] like Figures 1 to 6 As shown, a fiber-reinforced lightweight soil solidification molding device includes a base 1, on which a mixing tank 2, a fiber supply device, a mixing device, and a molding device are connected. The mixing device includes a mounting housing 8 located above the mixing tank 2. The mounting housing 8 is connected to the base 1 via a telescopic rod 9. One end of the telescopic rod 9 is connected to the mounting housing 8, and the other end of the telescopic rod 9 is detachably connected to the base 1 via bolts or pins. The telescopic rod 9 can be an electric telescopic rod, a pneumatically activated telescopic rod, or a multi-section sleeve that slides against each other and is connected by bolts.

[0031] The mounting housing 8 is rotatably connected to a central rotating shaft 11 via bearings. A drive gear 12 is connected to the central rotating shaft 11 via bearings. The mounting housing 8 is connected to a first motor 10 for driving the central rotating shaft 11. The central rotating shaft 11 is rotatably connected to a planetary carrier 15 via bearings. The planetary carrier 15 is rotatably connected to four driven gears 14 via a peripheral rotating shaft 13. All driven gears 14 mesh with the drive gear 12. An internal gear ring 16 is provided on the inner wall of the mounting housing 8. All driven gears 14 mesh with the internal gear ring 16. The transmission ratio between the drive gear 12 and the driven gears 14 is 1. Both the central rotating shaft 11 and the peripheral rotating shaft 13 are coaxially connected to a stirring assembly. The stirring assembly is located inside the mixing tank 2. The stirring assembly includes a stirring rod 17, and a spiral stirring blade 18 is connected to the outside of the stirring rod 17.

[0032] The bottom of the mixing tank 2 is connected to a discharge pipe 6 with a valve 7, and the discharge pipe 6 is directly facing the molding device. The top of the mixing tank 2 is provided with a feeding port 5. The bottom of the mixing tank 2 is connected to a slide rail 3, and the base 1 is provided with a slide groove 4. The slide rail 3 is slidably connected in the slide groove 4, and the base 1 is provided with fixing bolts for fixing the mixing tank 2. The molding device includes a molding mold 26 and a base frame 27 connected to the base 1. The base frame 27 is located above the molding mold 26. The base frame 27 is connected to a telescopic member 28. The telescopic end of the telescopic member 28 is connected to several vibrating rods 29. The telescopic member 28 is an electric telescopic rod or a pneumatic telescopic rod.

[0033] The fiber supply device is used to convey fibers into the mixing tank 2. The fiber supply device includes a conveying pipe 19, which has an outlet 20 and an inlet 21. The outlet 20 is directly opposite the feeding port 5, and the inlet 21 is connected to an inverted funnel-shaped storage bin 22. A connecting rod 23 is rotatably connected inside the conveying pipe 19. The connecting rod 23 is connected to a spiral blade 24. The conveying pipe 19 is connected to a second motor 25 that drives the connecting rod 23 to rotate.

[0034] The specific implementation process is as follows:

[0035] The mixing tank 2 and the mounting housing 8 are installed on the base 1, and the height of the mounting housing 8 is adjusted. The lightweight soil mixture is fed into the mixing tank 2 through the feeding port 5. The feeding method can be batch feeding or feeding through a fiber supply device. The fiber is placed in the storage bin 22. The first motor 10 and the second motor 25 are turned on. The first motor 10 drives the central rotating shaft 11 to rotate. The central rotating shaft 11 drives the drive gear 12 to rotate. Under the combined action of the drive gear 12, the internal gear ring 16 and the planetary carrier 15, the driven gear 14 rotates circumferentially along the circumference of the drive gear 12 while rotating along its own peripheral rotating shaft 13. The central rotating shaft 11 drives the mixing component connected to it to rotate. The peripheral rotating shaft 13 drives the mixing component connected to it to rotate while rotating circumferentially along the drive gear 12. The rotation direction of the mixing component connected to the peripheral rotating shaft 13 is opposite to that of the mixing component connected to the central rotating shaft 11. At the same time, the spiral blades 24 transport the fiber into the mixing tank 2, so that the fiber is fully and evenly dispersed in the lightweight soil. After the mixture is mixed evenly, the first motor 10 and the second motor 25 are turned off. By controlling the closure of the valve 7, the uniform mixture is poured into the molding mold 26 in layers and vibrated by the vibrator 29 to produce a liquefaction effect in the lightweight soil mixture, eliminating air bubbles and reducing voids, thereby improving the density and strength of the lightweight soil mixture.

[0036] The base 1 can be placed on the ground or a mechanical platform for installing various components; the feeding port 5 is used to feed the lightweight soil mixture and fibers; the bottom of the mixing tank 2 is connected to a discharge pipe 6 with a valve 7, and the discharge pipe 6 is directly opposite the molding device to facilitate the pouring of the uniformly mixed lightweight soil mixture into the molding device, and the layered pouring can also be achieved by controlling the valve 7; the mixing device includes a mounting shell 8, a central rotating shaft 11, a first motor 10, a planetary carrier 15, several driven gears 14, and an internal gear ring 16. The central rotating shaft 11 drives the mixing components connected to it to rotate, and the peripheral rotating shaft 13 drives the mixing components connected to it to rotate. The mixing component rotates circumferentially along the drive gear 12 while rotating on its own axis. The drive gear 12, several driven gears 14, and the mixing component work together to mix the lightweight soil mixture and fibers in all directions, further promoting the uniform mixing of the lightweight soil mixture and fibers. Moreover, the rotation direction of the mixing component connected to the peripheral shaft 13 is opposite to that of the mixing component connected to the central shaft 11, which can prevent the fibers from agglomerating in the same direction, so that the fibers are fully and evenly dispersed in the lightweight soil, avoiding excessively high or low local strength of the solidified soil, and improving the consistency of the overall material properties.

[0037] The base frame 27 is connected to several vibrating rods 29. The vibrating rods 29 can induce a liquefaction effect in the lightweight soil mixture through high-frequency vibration, eliminating air bubbles and reducing voids, thereby improving the density and strength of the lightweight soil mixture. In addition, the base frame 27 is connected to expansion joints 28, which can be controlled to expand and contract as needed to meet the requirements of layered pouring, further improving the density of the lightweight soil mixture.

[0038] The mixing assembly includes a mixing rod 17 and a spiral mixing blade 18. The spiral mixing blade 18 further promotes the uniform mixing of the lightweight soil mixture and the fiber, ensuring that the fiber is fully and evenly dispersed in the lightweight soil, thus preventing the local strength of the solidified soil from being too high or too low. In addition, the fiber supply device includes an inverted funnel-shaped storage silo 22 and a screw feeder. The screw feeder includes a conveying pipe 19, with a connecting rod 23 rotatably connected inside the conveying pipe 19. The connecting rod 23 is connected to a spiral blade 24. The required fiber is placed in the storage silo 22 in advance. The motor drives the connecting rod 23 and the spiral blade 24 to rotate, conveying the fiber into the mixture. The fiber conveying speed can be adjusted according to the rotation speed of the connecting rod 23, allowing fiber to be added while mixing. The conveying speed can be accurately controlled / adjusted, further preventing fiber agglomeration and ensuring that the fiber is fully and evenly dispersed in the lightweight soil, thus preventing the local strength of the solidified soil from being too high or too low and improving the overall consistency of the material properties. The transmission ratio between the driving gear 12 and the driven gear 14 is 1, which means that the stirring component corresponding to the central rotating shaft 11 and the stirring component corresponding to the peripheral rotating shaft 13 have the same rotation speed. This can further promote the uniformity of mixing of lightweight soil and fiber in the mixing bucket and improve the consistency of overall material properties.

[0039] The mounting housing 8 and the base 1 are connected by a telescopic rod 9, and the telescopic rod 9 is detachably connected to the mounting base so as to adjust the height of the mixing component according to the size of the mixing tank; the bottom of the mixing tank 2 is connected to a slide rail 3, and the base 1 is provided with a slide groove 4 to facilitate the replacement of the mixing tank 2, and the setting of the slide rail 3 and the slide groove 4 can realize the positioning of the mixing tank 2 so that it corresponds to the mixing component.

[0040] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A device for solidifying and molding lightweight soil with fiber reinforcement, characterized in that: The device includes a base, to which a mixing tank, a fiber supply device, a stirring device, and a forming device are connected. The stirring device includes a mounting housing located above the mixing tank, a central rotating shaft rotatably connected to the mounting housing, a driving gear connected to the central rotating shaft, and a first motor connected to the mounting housing to drive the central rotating shaft. A planetary carrier is rotatably connected to the central rotating shaft, and the planetary carrier is rotatably connected to several driven gears via peripheral rotating shafts. All driven gears mesh externally with the driving gear. An internal gear ring is provided on the inner wall of the mounting housing, and all driven gears mesh internally with the internal gear ring. A stirring assembly is connected to both the central rotating shaft and the peripheral rotating shaft, and the stirring assembly is located inside the mixing tank. A discharge pipe with a valve is connected to the bottom of the mixing tank, and the discharge pipe faces the forming device. A feeding port is provided at the top of the mixing tank. The fiber supply device supplies fibers into the mixing tank.

2. The fiber-reinforced lightweight soil solidification and molding device according to claim 1, characterized in that: The molding device includes a molding die and a base frame connected to the base. The base frame is located above the molding die and is connected to a plurality of vibrating rods.

3. The fiber-reinforced lightweight soil solidification and molding device according to claim 2, characterized in that: The base frame is connected to a telescopic component, and the telescopic end of the telescopic component is connected to the vibrating rod.

4. The fiber-reinforced lightweight soil solidification and molding device according to claim 3, characterized in that: The telescopic component is an electric telescopic rod or a pneumatic telescopic rod.

5. The fiber-reinforced lightweight soil solidification and molding device according to claim 1, characterized in that: The stirring assembly includes a stirring rod, and a spiral stirring blade is connected to the outside of the stirring rod.

6. The fiber-reinforced lightweight soil solidification and molding device according to claim 1, characterized in that: The fiber supply device includes a conveying pipe with an outlet and an inlet. The outlet is directly opposite the feeding port, and the inlet is used to feed fibers. A connecting rod is rotatably connected inside the conveying pipe, and a spiral blade is connected to the connecting rod. A second motor that drives the connecting rod to rotate is connected to the conveying pipe.

7. The fiber-reinforced lightweight soil solidification and molding device according to claim 6, characterized in that: The entrance is connected to an inverted funnel-shaped storage silo.

8. The fiber-reinforced lightweight soil solidification and molding device according to claim 1, characterized in that: The transmission ratio between the driving gear and the driven gear is 1.

9. The fiber-reinforced lightweight soil solidification and molding device according to claim 1, characterized in that: The mounting housing is connected to the base via a telescopic rod, and the telescopic rod is detachably connected to the base.

10. The fiber-reinforced lightweight soil solidification and molding device according to claim 1, characterized in that: The bottom of the mixing barrel is connected to a slide rail, the base is provided with a slide groove, the slide rail is slidably connected in the slide groove, and the base is provided with fixing bolts for fixing the mixing barrel.

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