A brick-concrete structure foundation reinforcing device and a construction method thereof

Abstract

The application relates to the technical field of soil solidification, and particularly discloses a brick-concrete structure foundation reinforcing device and a construction method thereof. The brick-concrete structure foundation reinforcing device comprises a hollow pipe and a drill bit internally provided with a containing cavity; the tail of the drill bit and one end of the hollow pipe are coaxially fixedly connected; the containing cavity of the drill bit and the inner cavity of the hollow pipe are communicated; a plurality of slurry outlet holes communicating with the containing cavity of the drill bit are arranged on the outer circumferential side of the drill bit; a plurality of crushing blades are fixedly arranged on the outer circumferential side of the drill bit; the tail of the drill bit and one end of the hollow pipe are coaxially rotationally connected; and the other end of the hollow pipe is provided with a rotating cover plate. The brick-concrete structure foundation reinforcing device forms a plurality of soil reinforced columns which are horizontally arranged and formed by mixing soil and cement slurry in the soil layer under the brick-concrete structure foundation, so that the deformation of the brick-concrete structure foundation is reduced. The brick-concrete structure foundation reinforcing construction method is convenient to operate and easy to popularize.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of soil solidification, in particular to a foundation reinforcement device for brick-concrete structure and a construction method thereof. BACKGROUND

[0002] The brick-concrete structure refers to a building structure system in which masonry such as bricks and stones are used as main vertical load-bearing components, and are combined with horizontal load-bearing components such as reinforced concrete floors, reinforced concrete beams and wood beams. The brick-concrete structure is widely used in civil buildings, small and medium-sized industrial buildings and rural residences in China due to its easy availability, low cost and relatively simple construction process.

[0003] The clay bricks or hollow bricks used in the brick-concrete structure have low tensile and shear strength. When the compressibility of the foundation is uneven, the bearing capacity of the soil layer is poor, or the underground water level changes greatly, the foundation settlement difference is easily caused, and the wall cracks are further caused, which may seriously affect the bearing capacity of the structure.

[0004] In the prior art, a specific slurry is injected into the soil layer below the foundation of the brick-concrete structure to improve the bearing capacity of the foundation and reduce the settlement by using the cementation and filling effects of the solidified slurry. However, the grouting effect is greatly affected by the geological conditions. If the foundation soil layer is uneven, the slurry is difficult to uniformly diffuse, and the local reinforcement may not be sufficient. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the defects of the prior art and provide a foundation reinforcement device for brick-concrete structure and a construction method thereof. The foundation reinforcement device for brick-concrete structure forms a plurality of soil reinforcement columns formed by mixing soil and cement slurry in the soil layer below the foundation of the brick-concrete structure to reduce the deformation of the foundation of the brick-concrete structure. The construction method of the foundation reinforcement device for brick-concrete structure is easy to operate and can be easily popularized.

[0006] The technical solution adopted by the present application to solve the technical problem comprises:

[0007] In one aspect, a foundation reinforcement device for brick-concrete structure is provided, which comprises a drill pipe and a drill bit having an accommodating cavity inside. The drill bit has a head and a tail. The tail of the drill bit is coaxially and fixedly connected to one end of the hollow pipe. The accommodating cavity of the drill bit is in communication with the inner cavity of the hollow pipe. A plurality of slurry outlet holes are formed in the outer peripheral side surface of the drill bit and are in communication with the accommodating cavity of the drill bit. A plurality of crushing blades are fixed to the outer peripheral side surface of the drill bit.

[0008] The tail of the drill bit and one end of the rotating pipe are coaxially connected, the other end of the rotating pipe is provided with a rotating cover plate, the hollow pipe penetrates through the cover plate and extends to the outside of the rotating pipe, a second gear is fixed on the outer circumferential side of the hollow pipe corresponding to the position of the inner wall of the rotating pipe, a plurality of first gears meshing with the second gear are rotatably installed on the cover plate, the inner circumferential side of the rotating pipe is provided with a tooth groove meshing with the first gear, and a plurality of stirring blades are fixed on the outer circumferential side of the rotating pipe.

[0009] A plurality of guide plates are fixed on the cover plate, and the guide plates and the hollow pipe are axially parallel.

[0010] A plurality of drill rods are installed in series on the hollow pipe.

[0011] As a preferred technical solution of the present application, at least one guide plate is provided with a fixed rope.

[0012] As a preferred technical solution of the present application, the drill bit is further provided with a pulling rope and a rotary connection part, and the head of the drill bit and one end of the pulling rope are connected through the rotary connection part.

[0013] As a preferred technical solution of the present application, the drill bit is further provided with a base, a cutting rope and at least two cutting rope guide parts, the base is fixedly installed with a driving mechanism and a mounting frame, the mounting frame is installed with a rotating first rotating wheel and a rotating second rotating wheel arranged in parallel, the driving mechanism drives the second rotating wheel to rotate, and the cutting rope passes through between the first rotating wheel and the second rotating wheel.

[0014] The cutting rope guide part comprises a guide rail, one or two guide components are installed on the guide rail, the guide component comprises a sliding block slidingly installed on the guide rail, a rotating guide wheel is installed on the sliding block, and a positioning assembly fixing the position of the sliding block is installed on each sliding block.

[0015] As a preferred technical solution of the present application, a plurality of crushing pieces for crushing soil are installed at equal intervals on the cutting rope.

[0016] As a preferred technical solution of the present application, the two ends of the cutting rope are connected.

[0017] As a preferred technical solution of the present application, the second rotating wheel is made of elastic material, and an annular groove is formed in the outer circumferential side of the second rotating wheel.

[0018] On the other hand, a brick-concrete structure foundation reinforcement construction method is also provided, which applies any one of the above-mentioned brick-concrete structure foundation reinforcement devices, and comprises the following steps:

[0019] The first construction ditch and the second construction ditch are dug on the ground at a distance of 0.1m-3.0m from the brick-concrete structure foundation, the brick-concrete structure foundation is located between the first construction ditch and the second construction ditch, and the external drilling machine is placed into the first construction ditch.

[0020] The external drilling machine drives the drill bit to rotate through the drill rod and the hollow pipe, and the external drilling machine inserts the drill bit into the soil layer to be reinforced under the brick-concrete structure foundation in the horizontal direction, after the drill bit enters the soil layer to be reinforced by 0.5m-1.0m, the external drilling machine continuously pumps cement slurry into the drill bit.

[0021] After the drill bit enters the second construction ditch, the external drilling machine stops pumping cement slurry into the drill bit, and the drill bit stops rotating, and the hollow pipe and the drill rod are separated.

[0022] The external drilling machine drives the drill rod to retract and separate from the soil layer to be reinforced.

[0023] As a preferred technical solution of the present application, the following steps are further included:

[0024] After the guide plate enters the soil layer to be reinforced, one end of the fixed rope is fixed on the guide plate.

[0025] After the hollow pipe and the drill rod are separated, the fixed rope is tensioned by using the tensioning jack.

[0026] As a preferred technical solution of the present application, the following steps are further included:

[0027] The third construction ditch is dug on the ground at a distance of 0.1m-3.0m from the brick-concrete structure foundation, and the third construction ditch connects the first construction ditch and the second construction ditch.

[0028] The base is placed in the first construction ditch or the second construction ditch, and the cutting rope guide is placed in the first construction ditch and the second construction ditch, and the guide wheel of the cutting rope guide makes the cutting rope adhere to the soil layer to be reinforced at the third construction ditch.

[0029] The driving mechanism drives the second rotating wheel to rotate, the first rotating wheel and the second rotating wheel move the cutting rope, the cutting rope cuts the soil layer to be reinforced horizontally, and the cutting rope enters the soil layer to be reinforced.

[0030] The cutting rope drives one end of the pulling rope to pass through the soil layer to be reinforced.

[0031] Compared with the prior art, the present application has the following advantages:

[0032] 1. The brick-concrete structure foundation reinforcing device of the present application, the drill bit drives the crushing blade to crush the soil, the hollow pipe drives the second gear, the first gear, the rotating pipe and further drives the stirring blade to stir the cement mortar and the crushed soil; on the one hand, the rotating direction of the drill bit is opposite to the rotating direction of the rotating pipe, the crushed soil is subjected to shearing and extrusion of the stirring blade after being separated from the spiral crushing blade, the cement mortar and the crushed soil are mixed uniformly, and the soil reinforcing column is formed in the soil layer to be reinforced, the deformation of the brick-concrete structure foundation is reduced; on the other hand, the drill bit is subjected to a horizontal pulling force through the pulling rope, the drill bit is prevented from deflecting upward and damaging the brick-concrete structure foundation during drilling into the soil layer to be reinforced, and the reliability of the brick-concrete structure foundation reinforcing device is improved; on the other hand, the cutting rope causes the horizontal cutting seam in the soil layer to be reinforced, the cement mortar flowing out of the mortar outlet flows along the cutting seam, and the water resistance of the soil layer below the brick-concrete structure foundation is enhanced.

[0033] 2. The brick-concrete structure foundation reinforcing device of the present application, the fixed rope is pulled into the mixture of the crushed soil and the cement mortar during mixing of the cement mortar and the crushed soil, the fixed rope is located in the soil reinforcing column, and the fixed rope enhances the structural strength of the soil reinforcing column.

[0034] 3. The brick-concrete structure foundation reinforcing construction method of the present application, which requires less labor, is convenient to operate and easy to popularize. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 which is a structural schematic view of an embodiment of the present application;

[0036] Figure 2 which is a partial sectional structural schematic view of the present application;

[0037] Figure 3 which is an enlarged schematic view of structure A of the present application; Figure 2

[0038] Figure 4 which is a structural schematic view of the cutting rope guide and the driving mechanism of the present application;

[0039] Figure 5 which is a structural schematic view of the cutting rope of the present application.

[0040] In the drawings: 1 drill rod, 2 fixed rope, 3 hollow pipe, 4 guide plate, 5 cover plate, 6 rotating pipe, 7 drill bit, 8 mortar outlet, 9 crushing blade, 10 pulling rope, 11 rotary connection, 12 stirring blade, 13 first gear, 14 second gear, 15 driving mechanism, 16 first rotating wheel, 17 second rotating wheel, 18 mounting frame, 19 base, 20 guide rail, 21 sliding block, 22 guide wheel, 23 cutting rope, 24 crushing member. DETAILED DESCRIPTION

[0041] ​Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0042] Embodiment one: please refer to Figure 1 、 Figure 2 and Figure 3 , the embodiment discloses a foundation reinforcing device for brick-concrete structure, which comprises a drill pipe 6 and a drill bit 7 internally provided with a receiving cavity, the drill bit 7 has a head and a tail, the tail of the drill bit 7 is threadedly sleeved or buckled connected with one end of the hollow pipe 3, the receiving cavity of the drill bit 7 is communicated with the inner cavity of the hollow pipe 3, a plurality of slurry outlet holes 8 communicated with the receiving cavity of the drill bit 7 are formed in the outer peripheral side of the drill bit 7, and a plurality of crushing blades 9 are fixed to the outer peripheral side of the drill bit 7.

[0043] The tail of the drill bit 7 is connected with one end of the rotating pipe 6 through a bearing, the inner diameter of the rotating pipe 6 is greater than the outer diameter of the hollow pipe 3, the rotating pipe 6 is sleeved outside the hollow pipe 3, the central axes of the hollow pipe 3, the rotating pipe 6 and the drill bit 7 are coincident, the other end of the rotating pipe 6 is provided with a rotating cover plate 5 through a bearing, the hollow pipe 3 penetrates through the cover plate 5 and extends to the outside of the rotating pipe 6, a second gear 14 is fixed to the position of the outer peripheral side of the hollow pipe 3 corresponding to the inner wall of the rotating pipe 6, a plurality of first gears 13 meshed with the second gear 14 are rotatably installed on the cover plate 5, a plurality of tooth grooves meshed with the first gears 13 are arranged on the inner peripheral side of the rotating pipe 6, and a plurality of stirring blades 12 are fixed to the outer peripheral side of the rotating pipe 6.

[0044] A plurality of guide plates 4 are fixed to the cover plate 5, and the guide plates 4 are parallel to the axial direction of the hollow pipe 3.

[0045] Among them, a plurality of drill rods 1 are installed in series on the hollow pipe 3.

[0046] Further, the hollow pipe 3, the cover plate 5, the rotating pipe 6 and the drill bit 7 form a closed space, the first gear 13 and the second gear 14 are located in the closed space, and the first gear 13 and the second gear 14 are coated with lubricating oil, and the cover plate 5 and the hollow pipe 3 are connected through a sealing bearing.

[0047] Further, the outer peripheral side of the drill bit 7 is the outer surface of the cylindrical or conical shape of the drill bit 7, which contacts the hole wall during the drilling process of the drill bit 7, and plays a role in guiding and maintaining the diameter of the hole.

[0048] Further, the head of the drill bit 7 is the end of the drill bit 7 first contacting the soil, the tail of the drill bit 7 is the end of the drill bit 7 connected with the hollow pipe 3, and the axial direction of the hollow pipe 3 is along the central axis of the hollow pipe 3.

[0049] The working process and principles of the embodiment are as follows:

[0050] The worker digs a first construction ditch and a second construction ditch on the ground 0.1m-3.0m away from the brick-concrete foundation, the brick-concrete foundation is located between the first construction ditch and the second construction ditch, the bottom of the brick-concrete structure is lower than the brick-concrete foundation, the worker puts the external drilling machine into the first construction ditch, the worker makes the external drilling machine rotate the drill bit 7 through the drill rod 1 and the hollow tube 3, the external drilling machine inserts the drill bit 7 into the soil layer to be reinforced under the brick-concrete foundation in the horizontal direction, after the drill bit 7 enters the soil layer to be reinforced for 0.5m-1.0m, the worker continuously pumps the cement slurry into the drill bit 7, the drill bit 7 drives the crushing blade 9 to crush the soil, and the cement slurry flowing out of the slurry outlet hole 8 flows into the crushed soil.

[0051] Since the guide plates 4 and the hollow tube 3 are axially parallel, the crushed soil cannot rotate the guide plates 4 on the cover plate 5, that is, the cover plate 5 also cannot rotate, the hollow tube 3 drives the second gear 14 to rotate, the second gear 14 drives the rotating tube 6 to rotate through the first gear 13, the rotating tube 6 makes the stirring blade 12 stir the cement slurry and the crushed soil, the cement slurry and the crushed soil are mixed uniformly, and solidify in the soil layer to be reinforced to form a horizontal soil reinforcing column.

[0052] After the drill bit 7 enters the second construction ditch, the worker stops the external drilling machine from pumping the cement slurry into the drill bit 7, and the drill bit 7 stops rotating, the worker rotates the drill bit 7 to separate the hollow tube 3 and the drill rod 1, the external drilling machine drives the drill rod 1 to retract and separate from the soil layer to be reinforced, and a horizontal soil reinforcing column is formed in the soil layer to be reinforced, thereby reducing the deformation of the brick-concrete foundation.

[0053] The brick-concrete foundation reinforcing device forms a plurality of horizontally arranged soil reinforcing columns in the soil layer to be reinforced.

[0054] Further, the stirring blade 12 is located in the mixture of the cement slurry and the crushed soil, the guide plate 4 is located in the mixture of the cement slurry and the crushed soil or the guide plate 4 cuts into the soil layer to be reinforced.

[0055] Further, the crushing blade 9 is spirally arranged, the drill bit 7 is conical, the drill bit 7 drives the crushing blade 9 to rotate forward, the crushing blade 9 makes the drill bit 7 drill into the soil layer conveniently, the rotating direction of the drill bit 7 is opposite to the rotating direction of the rotating tube 6, the crushed soil is sheared and extruded by the stirring blade 12 after the crushed soil is separated from the spiral crushing blade 9, the soil blocks in the crushed soil are broken, and the crushed soil and the cement slurry are mixed uniformly.

[0056] Further, the soil layer to be reinforced is prevented from slurry spouting and stringing holes by measures such as interval construction, intermittent construction, or increasing the amount of accelerator in the cement slurry. When the drill bit 7 enters the soil layer to be reinforced and the stirring blade 12 does not enter the soil layer to be reinforced, the worker uses a crowbar or a metal frame to restrict the guide plate 4 from rotating, so that the guide plate 4 can only move along the axial direction of the hollow tube 3.

[0057] Further, the tail end of the drill rod 1 is provided with an internal threaded interface, the head of the drill rod 1 is provided with a matching external threaded interface, and the end of the hollow tube 3 away from the drill bit 7 is provided with an external threaded interface matching the internal threaded interface of the drill rod 1, which facilitates the fixation of the drill rod 1 on the hollow tube 3.

[0058] Preferably, the length of the drill rod 1 is 30-500 cm. The shorter the length of the drill rod 1, the shorter the width of the first construction trench, and the shorter the excavation and backfill workload of the first construction trench. By increasing the number of drill rods 1, the moving distance of the drill bit 7 in the soil layer to be reinforced is increased.

[0059] Further, the drill rig is a commonly used device in existing building construction, commonly used for drilling cylindrical holes in rock or soil, widely used in pile foundation construction, surveying, etc. The drill rig includes a power system, a transmission system, and a slurry injection system. The power system is an electric motor, a fuel engine, or a hydraulic motor. The transmission system is a gear, a chain, or a transmission shaft. The slurry injection system includes a mud pump, a pipeline, and a rotary joint.

[0060] Further, the main components of the cement slurry are cement, sand, water, and additives. The cement slurry is a commonly used slurry in existing ground reinforcement technology. The cement slurry can also be replaced by a sodium silicate solution.

[0061] Embodiment Two: As shown in Figure 1 and Figure 2 The embodiment discloses a ground reinforcement device for brick-concrete structure, which has substantially the same structure as that of Embodiment One, except that at least one guide plate 4 is provided with a fixed rope 2. The fixed rope 2 is made of high-strength steel wire, high-carbon steel wire strand, or carbon fiber bundle.

[0062] The working process and principle of the embodiment are as follows:

[0063] After the guide plate 4 enters the soil layer to be reinforced, the worker fixes one end of the fixed rope 2 to the guide plate 4.

[0064] After the drill bit 7 enters the second construction trench and the worker separates the hollow tube 3 and the drill rod 1, the worker removes the fixed rope 2 from the mixture of crushed soil and cement slurry. The worker sets a positioning seat in both the first construction trench and the second construction trench. The worker uses a tensioning jack to tension the fixed rope 2 and fixes the tensioned fixed rope 2 to the positioning seat. The fixed rope 2 is located in the soil reinforcement column, and the fixed rope 2 enhances the structural strength of the soil reinforcement column.

[0065] Further, the positioning seat is a steel plate or a concrete block, and a plurality of protrusions are fixed on the fixing rope 2 to enhance the bonding strength between the fixing rope 2 and the soil reinforcing column.

[0066] Embodiment three, as shown in Figure 1 and Figure 2 , the embodiment discloses a foundation reinforcing device for a brick-concrete structure, which has a structure similar to that of the second embodiment, but the difference is that the embodiment further comprises a pulling rope 10 and a rotary connecting part 11, the head of the drill bit 7 and one end of the pulling rope 10 are connected through the rotary connecting part 11, and the rotary connecting part 11 is a bearing or a rotating pin.

[0067] The working process and principle of the embodiment are as follows:

[0068] The worker inserts a fine steel drill horizontally into the soil layer to be reinforced in the first construction ditch, the steel drill is composed of a plurality of steel rods connected in series, the worker strikes or uses a jack to make the steel drill pass through the soil layer to be reinforced, after the steel drill is exposed from the second construction ditch, the worker fixes and connects the part of the steel drill in the first construction ditch and one end of the pulling rope 10, and the worker pulls out the steel drill in the soil layer to be reinforced from the second construction ditch by using a tensioning jack, a car or a winch, and the steel drill makes the pulling rope 10 pass through the soil layer to be reinforced.

[0069] During the horizontal drilling of the drill bit 7 in the soil layer to be reinforced, the worker or an external rope collecting device gives the drill bit 7 a horizontal pulling force through the pulling rope 10, so as to avoid the drill bit 7 from deflecting upward and damaging the foundation of the brick-concrete structure during the drilling in the soil layer to be reinforced, and improve the reliability of the foundation reinforcing device for the brick-concrete structure.

[0070] Further, the diameter of the steel drill is less than one tenth of the diameter of the drill bit 7, or the diameter of the steel drill is 10.0mm-50.0mm.

[0071] Embodiment four, as shown in Figure 2 and Figure 4 , the embodiment discloses a foundation reinforcing device for a brick-concrete structure, which has a structure similar to that of the second embodiment, but the difference is that the embodiment further comprises a pulling rope 10, a rotary connecting part 11, a base 19, a cutting rope 23 and at least two cutting rope guides, the head of the drill bit 7 and one end of the pulling rope 10 are connected through the rotary connecting part 11, and the rotary connecting part 11 is a bearing or a rotating pin.

[0072] The base 19 is fixedly installed with a driving mechanism 15 and a mounting rack 18, the mounting rack 18 is installed with a rotating first rotating wheel 16 and a rotating second rotating wheel 17 arranged in parallel, a driving shaft of the driving mechanism 15 and one end of the second rotating wheel 17 are coaxially connected through a shaft coupling, and the cutting rope 23 passes through between the first rotating wheel 16 and the second rotating wheel 17.

[0073] The cutting rope guide comprises a guide rail 20, one or two guide components are installed on the guide rail 20, the guide components comprise sliding blocks 21 which are slidingly installed on the guide rail 20, the sliding blocks 21 are provided with rotating guide wheels 22, each sliding block 21 is provided with a positioning assembly which fixes the position of the sliding block 21, the positioning assembly is a bolt, a bolt or a clamp.

[0074] Further, the driving mechanism 15 is an electric motor, a fuel engine or a hydraulic motor, the driving mechanism 15 used in the present application is a common device in the prior art, and the working mode and structure thereof are known technologies which will not be described herein.

[0075] The working process and principle of the embodiment are as follows:

[0076] The worker digs a third construction ditch on the ground which is 0.1m-3.0m away from the brick-concrete foundation, the third construction ditch connects the first construction ditch and the second construction ditch, the base 19 is placed in the first construction ditch or the second construction ditch, the cutting rope guide is placed in the first construction ditch and the second construction ditch, and the guide wheel 22 of the cutting rope guide makes the cutting rope 23 adhere to the soil layer to be reinforced at the third construction ditch.

[0077] The worker drives the second rotating wheel 17 to rotate by the driving mechanism 15, the first rotating wheel 16 and the second rotating wheel 17 move the cutting rope 23, the cutting rope 23 cuts the soil layer to be reinforced horizontally, the cutting rope 23 enters the soil layer to be reinforced, one end of the pulling rope 10 is driven by the cutting rope 23 to pass through the soil layer to be reinforced, and the worker adjusts the positions of the sliding blocks 21 and the guide wheels 22 on the guide rail 20, so as to adjust the position of the cutting rope 23 which cuts the soil layer to be reinforced.

[0078] A plurality of pulling ropes 10 pass through the soil layer to be reinforced, and the distance between two adjacent pulling ropes 10 in the soil layer to be reinforced is 1.0m-5.0m.

[0079] During the horizontal drilling of the drill bit 7 in the soil layer to be reinforced, the external rope bunching device or the worker gives the drill bit 7 a horizontal pulling force through the pulling rope 10, so as to avoid the drill bit 7 from deflecting upward and damaging the brick-concrete foundation during the drilling in the soil layer to be reinforced, and the cutting rope 23 causes the soil layer to be reinforced to generate a horizontal cutting seam, the cement slurry flowing out of the slurry outlet 8 flows along the cutting seam, and the water resistance of the soil layer under the brick-concrete foundation is enhanced.

[0080] Further, the two ends of the cutting rope 23 are connected together, the cutting rope 23 is annular, the worker uses a plurality of external guide wheels to make the cutting rope 23 rotate annularly, the cutting rope 23 cyclically cuts the soil layer to be reinforced, and the diameter of the cutting rope 23 is 5.0mm-20.0mm.

[0081] Further, the drill bit 7 stops drilling after drilling 20.0cm-100.0cm, the cement slurry flowing out of the slurry outlet 8 flows along the radial direction of the drill bit 7, and forms an annular protrusion in the soil layer, thereby enhancing the friction between the soil reinforcement column and the soil.

[0082] Embodiment five: as shown in the figure, the embodiment discloses a foundation reinforcement device for a brick-concrete structure, which has a structure similar to that of the third or fourth embodiment, but differs from the third or fourth embodiment in that a plurality of soil-breaking pieces 24 are installed at equal intervals on the cutting rope 23, the soil-breaking pieces 24 are metal blocks, plastic blocks or ceramic blocks, and the soil-breaking pieces 24 cut the soil layer to be reinforced along with the cutting rope 23, thereby increasing the cutting speed of the soil layer to be reinforced along with the cutting rope 23. Figure 5 Embodiment six: as shown in the figure, the embodiment discloses a foundation reinforcement device for a brick-concrete structure, which has a structure similar to that of the second embodiment, but differs from the second embodiment in that the embodiment further comprises a base 19, a cutting rope 23 and at least two cutting rope guides, the base 19 is fixedly installed with a driving mechanism 15 and a mounting bracket 18, the mounting bracket 18 is installed with a rotating first rotating wheel 16 and a rotating second rotating wheel 17 arranged in parallel, the central axis of the first rotating wheel 16 is parallel to the central axis of the second rotating wheel 17, the driving mechanism 15 drives the second rotating wheel 17 to rotate, the cutting rope 23 passes through between the first rotating wheel 16 and the second rotating wheel 17, and the first rotating wheel 16 and the second rotating wheel 17 squeeze the cutting rope 23.

[0083] Figure 4 The cutting rope guide comprises a guide rail 20, a sliding block 21 is slidingly installed on the guide rail 20, the sliding block 21 is provided with a through hole through which the cutting rope 23 passes, and a positioning assembly for fixing the position of the sliding block 21 is installed on each sliding block 21, the positioning assembly is a bolt or a clamp.

[0084] The working process and principle of the embodiment are as follows:

[0084] The working process and principle of the embodiment are as follows:

[0085] The worker digs a third construction trench on the ground 0.1m-3.0m away from the foundation of the brick-concrete structure, the third construction trench connects the first construction trench and the second construction trench, the base 19 is placed in the first construction trench or the second construction trench, the cutting rope guide is placed in the first construction trench and the second construction trench, and the through hole of the sliding block 21 makes the cutting rope 23 adhere to the soil layer to be reinforced at the third construction trench.

[0086] The worker digs a third construction trench on the ground 0.1m-3.0m away from the foundation of the brick-concrete structure, the third construction trench connects the first construction trench and the second construction trench, the base 19 is placed in the first construction trench or the second construction trench, the cutting rope guide is placed in the first construction trench and the second construction trench, and the through hole of the sliding block 21 makes the cutting rope 23 adhere to the soil layer to be reinforced at the third construction trench.

[0087] The worker drives the drive mechanism 15 to rotate the second wheel 17. The first wheel 16 and the second wheel 17 move the cutting rope 23. The cutting rope 23 makes a horizontal cut in the soil layer to be reinforced. The cutting rope 23 enters the soil layer to be reinforced. The cutting rope 23 drives one end of the pulling rope 10 through the soil layer to be reinforced. The worker adjusts the position of the slider 21 on the guide rail 20, thereby adjusting the cutting position of the cutting rope 23 in the soil layer to be reinforced.

[0088] Multiple tension ropes 10 pass through the soil layer to be reinforced, and the distance between two adjacent tension ropes 10 in the soil layer to be reinforced is 1.0m-5.0m.

[0089] During the horizontal drilling process of drill bit 7 in the soil layer to be reinforced, the external rope winding device or the worker applies a horizontal pulling force to drill bit 7 through the pulling rope 10 to prevent drill bit 7 from deflecting upwards and damaging the foundation of the brick-concrete structure during drilling in the soil layer to be reinforced. In addition, the cutting rope 23 creates a horizontal cutting seam in the soil layer to be reinforced. The cement slurry flowing out of the slurry outlet 8 flows along the cutting seam, enhancing the water-proofness of the soil layer below the brick-concrete structure foundation.

[0090] Furthermore, the two ends of the cutting rope 23 are connected together. The cutting rope 23 is a loop. Workers use multiple sets of external guide wheels to make the cutting rope 23 rotate in a loop. The cutting rope 23 cuts the soil layer to be reinforced in a cyclic manner. The diameter of the cutting rope 23 is 5.0mm-20.0mm.

[0091] Example 7: Figure 4 As shown, this embodiment discloses a foundation reinforcement device for brick-concrete structures. Its structure is roughly the same as that of Embodiment 4 or Embodiment 6. The difference is that the second rotating wheel 17 in this embodiment is made of elastic rubber or elastic silicone. An annular groove is provided on the outer peripheral side of the second rotating wheel 17 to increase the friction between the second rotating wheel 17 and the cutting rope 23.

[0092] Example 8: Figures 1-4 As shown, this embodiment discloses a foundation reinforcement construction method for brick-concrete structures, using the foundation reinforcement device for brick-concrete structures from any one of Embodiments 1 to 7, including the following steps:

[0093] The first and second construction trenches are dug in the ground at a distance of 0.1m-3.0m from the brick-concrete foundation. The foundation of the brick-concrete structure is located between the first and second construction trenches, and the external drilling rig is placed into the first construction trench.

[0094] The external drilling rig drives the drill bit 7 to rotate through the drill rod 1 and the hollow tube 3. The external drilling rig also inserts the drill bit 7 horizontally into the soil layer to be reinforced below the brick-concrete foundation. After the drill bit 7 enters the soil layer to be reinforced by 0.5m-1.0m, the external drilling rig continuously pumps cement slurry into the drill bit 7.

[0095] After the drill bit 7 enters the second construction ditch, the external drilling machine stops pumping cement slurry into the drill bit 7, and the drill bit 7 stops rotating, and the hollow pipe 3 and the drill rod 1 are separated.

[0096] The external drilling machine drives the drill rod 1 to be withdrawn and separated from the soil layer to be reinforced.

[0097] The working process and principle of the embodiment are as follows:

[0098] The second gear 14 drives the rotating pipe 6 to rotate through the first gear 13, and the rotating pipe 6 makes the stirring blade 12 stir the cement slurry and the crushed soil, so that the cement slurry and the crushed soil are mixed uniformly, and a soil reinforcement column is formed in the soil layer to be reinforced, thereby reducing the deformation of the brick-concrete structure foundation.

[0099] The brick-concrete structure foundation reinforcement construction method is easy to operate and promote.

[0100] Embodiment nine: as shown in 1- Figure 4 The embodiment discloses a brick-concrete structure foundation reinforcement construction method, and the steps thereof are basically the same as those of embodiment eight, except that the embodiment further comprises the following steps:

[0101] After the guide plate 4 enters the soil layer to be reinforced, one end of the fixed rope 2 is fixed to the guide plate 4.

[0102] After the hollow pipe 3 and the drill rod 1 are separated, the fixed rope 2 is tensioned by using a tensioning jack.

[0103] The working process and principle of the embodiment are as follows:

[0104] The fixed rope 2 is located in the soil reinforcement column, the fixed rope 2 enhances the structural strength of the soil reinforcement column, and the fixed rope 2 is convenient to arrange.

[0105] Embodiment ten: as shown in Figures 1-4 The embodiment discloses a brick-concrete structure foundation reinforcement construction method, and the steps thereof are basically the same as those of embodiment nine, except that the embodiment further comprises the following steps:

[0106] A third construction ditch is dug on the ground at a distance of 0.1m-3.0m from the brick-concrete structure foundation, and the third construction ditch communicates the first construction ditch and the second construction ditch.

[0107] The base 19 is placed in the first construction ditch or the second construction ditch, and a cutting rope guide is placed in each of the first construction ditch and the second construction ditch, and the guide wheel 22 of the cutting rope guide makes the cutting rope 23 adhere to the soil layer to be reinforced at the third construction ditch.

[0108] The driving mechanism 15 drives the second rotating wheel 17 to rotate, the first rotating wheel 16 and the second rotating wheel 17 drive the cutting rope 23 to move, the cutting rope 23 cuts the soil layer to be reinforced horizontally, and the cutting rope 23 enters the soil layer to be reinforced.

[0109] The cutting rope 23 drives one end of the pulling rope 10 to pass through the soil layer to be reinforced.

[0110] The working process and principle of the embodiment are as follows:

[0111] During the horizontal drilling of the drill bit 7 in the soil layer to be reinforced, the external rope collecting device or the worker provides the drill bit 7 with a horizontal pulling force through the pulling rope 10, so as to avoid the drill bit 7 from being deflected upward and damaging the foundation of the brick-concrete structure during the drilling process in the soil layer to be reinforced, and the cutting rope 23 causes the soil layer to be reinforced to generate a horizontal cutting seam, the cement slurry flowing out of the slurry outlet 8 flows along the cutting seam, and the water resistance of the soil layer under the foundation of the brick-concrete structure is enhanced.

[0112] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application.

Claims

1. A device for reinforcing the foundation of a brick and concrete structure, characterized in that: The utility model relates to a soil reinforcing device, including rotary tube (6) and drill bit (7) with accommodating cavity inside, drill bit (7) have head and tail, the tail of drill bit (7) and the coaxial fixed connection of one end of hollow tube (3), the accommodating cavity of drill bit (7) and the inner chamber of hollow tube (3) are communicated, the outer circumferential side of drill bit (7) is equipped with a plurality of out pulp hole (8) of the communicating accommodating cavity of drill bit (7), the outer circumferential side of drill bit (7) is fixed with a plurality of crushing blade (9), The tail of drill bit (7) and the coaxial rotation connection of one end of rotary tube (6), the other end of rotary tube (6) is installed with the rotation cover plate (5), hollow tube (3) passes through cover plate (5) and extends to the outside of rotary tube (6), the outer circumferential side of hollow tube (3) is fixed with second gear (14) corresponding the position of rotary tube (6) inner wall, a plurality of first gear (13) are rotatably installed on cover plate (5) and engage with second gear (14), the inner circumferential side of rotary tube (6) is equipped with the gear slot and engages with first gear (13), the outer circumferential side of rotary tube (6) is fixed with a plurality of stirring blade (12), The cover plate (5) is fixed with a plurality of guide plates (4), and the guide plate (4) and the axial parallel of hollow tube (3), At least one guide plate (4) is installed with fixed rope (2), Still include pulling rope (10) and rotary connecting portion (11), the head of drill bit (7) and one end of pulling rope (10) are connected through rotary connecting portion (11), Still include base (19), cutting rope (23) and at least two cutting rope guide, the fixed mounting of drive mechanism (15) and mounting frame (18) are installed on base (19), the parallelly arranged rotation first rotating wheel (16) and second rotating wheel (17) are installed on mounting frame (18), drive mechanism (15) drives the rotation of second rotating wheel (17), cutting rope (23) passes through between first rotating wheel (16) and second rotating wheel (17); The cutting rope guide includes guide rail (20), one or two guide components are installed on guide rail (20), the guide component includes sliding block (21) slidingly installed on guide rail (20), the rotation guide wheel (22) is installed on sliding block (21), the positioning assembly that fixes the position of sliding block (21) is installed on each sliding block (21); Wherein, hollow tube (3) is installed with a plurality of drill rods (1) in series extension, Wherein, drive mechanism (15) drives the rotation of second rotating wheel (17), first rotating wheel (16) and second rotating wheel (17) make cutting rope (23) move, cutting rope (23) carries out horizontal cutting to the soil layer to be reinforced, and cutting rope (23) enters the soil layer to be reinforced, one end of pulling rope (10) is driven by cutting rope (23) and passes through the soil layer to be reinforced.

2. The masonry-wood structure foundation reinforcing apparatus of claim 1, wherein: A plurality of broken pieces (24) for breaking soil are installed at equal intervals on the cutting rope (23).

3. The masonry-wood structure foundation reinforcing apparatus of claim 1, wherein: Both ends of the cutting rope (23) are connected.

4. The masonry-wood structure foundation reinforcing apparatus according to claim 1, wherein: The second rotating wheel (17) is made of elastic material, and an annular groove is formed in the outer circumferential side of the second rotating wheel (17).

5. A method for reinforcing a foundation of a brick- concrete structure, characterized by, The brick-concrete structure foundation reinforcing device of any one of claims 1-4 comprises the following steps: Excavating a first construction trench and a second construction trench at a distance of 0.1m-3.0m from the brick-concrete structure foundation, the brick-concrete structure foundation being located between the first construction trench and the second construction trench, and placing an external drilling machine into the first construction trench; The external drilling machine rotates the drill bit (7) through the drill rod (1) and the hollow pipe (3), and the external drilling machine inserts the drill bit (7) into the soil layer to be reinforced below the brick-concrete structure foundation in the horizontal direction, and the external drilling machine continuously pumps cement slurry into the drill bit (7) after the drill bit (7) enters the soil layer to be reinforced by 0.5m-1.0m; After the drill bit (7) enters the second construction trench, the external drilling machine stops pumping cement slurry into the drill bit (7), and the drill bit (7) stops rotating, and the hollow pipe (3) and the drill rod (1) are separated; The external drilling machine withdraws the drill rod (1) and separates from the soil layer to be reinforced.

6. The construction method of claim 5, wherein, Further comprising the following steps: After the guide plate (4) enters the soil layer to be reinforced, one end of the fixed rope (2) is fixed to the guide plate (4); After the hollow pipe (3) and the drill rod (1) are separated, the fixed rope (2) is tensioned using a tensioning jack.

7. The construction method of claim 6, wherein, Further comprising the following steps: Excavating a third construction trench at a distance of 0.1m-3.0m from the brick-concrete structure foundation, and the third construction trench connecting the first construction trench and the second construction trench; The base (19) is placed in the first construction trench or the second construction trench, and a cutting rope guide is placed in the first construction trench and the second construction trench, and the guide wheel (22) of the cutting rope guide makes the cutting rope (23) adhere to the soil layer to be reinforced at the third construction trench; The driving mechanism (15) rotates the second rotating wheel (17), and the first rotating wheel (16) and the second rotating wheel (17) move the cutting rope (23), and the cutting rope (23) horizontally cuts the soil layer to be reinforced, and the cutting rope (23) enters the soil layer to be reinforced; The cutting rope (23) drives one end of the pulling rope (10) to pass through the soil layer to be reinforced.

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