Vertical barrier wall grouting construction equipment

Abstract

The present application belongs to the technical field of barrier wall construction, and particularly relates to a vertical barrier wall grouting construction equipment for performing grouting operation on the inside of a pile body of a barrier wall, comprising a containing pipe, an outer wall of the containing pipe being in abutment with an inner wall of the pile body, a medium driving cavity being formed in the inside of the containing pipe; a grout outlet pipe, the grout outlet pipe being coaxially sleeved in the medium driving cavity of the containing pipe, the grout outlet pipe being driven by the medium to move axially along the pile body to be ejected or retracted; a grout conveying pipe, the grout conveying pipe being coaxially arranged in the inside of the grout outlet pipe, the grout conveying pipe being in sliding fit with the grout outlet pipe, the grout conveying pipe being rotationally connected with the containing pipe; the present application conveys slurry to the grout outlet pipe through the grout conveying pipe and outputs the slurry outward, the containing pipe drives the grout outlet pipe to reciprocate axially along the pile body by means of the medium driving effect, and a linkage disturbance member generates disturbance, the integrated structure realizes synchronous cooperation of grouting and vibration functions, and can discharge air bubbles in the slurry; and the medium driving ensures that the vibration frequency is uniform and controllable, and guarantees the compactness of the pile body.

Description

Technical Field

[0001] This invention belongs to the field of barrier wall construction technology, and particularly relates to a vertical barrier wall grouting construction device. Background Technology

[0002] Barrier walls, as civil engineering structures that combine seepage prevention, water isolation, and pollution containment functions, serve to block the diffusion path of groundwater pollutants and are a core isolation technology in contaminated site remediation. This technology involves excavating piles deep within the contaminated containment zone and injecting grout into the piles to form a continuous seepage-proof barrier wall.

[0003] During the grouting process of the pile body, air bubbles may be mixed in with the cement grout or polymer grout. As the core execution carrier of the barrier wall project, the performance of the grouting construction equipment determines the density of the pile body and the integrity of the seepage barrier, and plays a key role in the quality of the project construction.

[0004] Traditional grouting equipment typically uses a separate combination of a grouting delivery pipe and a concrete vibrator. The grouting delivery pipe delivers cement slurry or polymer slurry into the pile body, while the concrete vibrator is immersed in the slurry. The high-frequency vibration disturbs the slurry, thereby expelling any air bubbles and achieving the desired density of the pile body.

[0005] Existing grouting construction equipment also features an integrated structure for grouting delivery and vibration. For example, Chinese patent CN119686324A proposes a cement slurry grouting barrier wall construction device. This device utilizes the gravitational impact force generated when cement slurry or polymer slurry falls along the lower delivery pipe to drive the spiral guide plate to rotate the impeller. Through force transmission, the gears are linked, which in turn drives the vibration unit of the concrete vibrator mechanism to rotate and generate vibration. Ultimately, this achieves the vibration and discharge of air bubbles in the grout during the grouting process, thereby achieving a dense grouting effect.

[0006] However, the design in the aforementioned patent that relies on the gravity impact of falling grout to drive vibration still has certain drawbacks. During the grout's descent, fluctuations in delivery pressure can easily lead to uneven flow, resulting in uneven force on the rotating impeller and unstable rotation speed, which affects the vibration frequency of the vibration unit. Simultaneously, the vibration unit, immersed in the grout, is susceptible to vibration interruptions due to the unstable vibration frequency, making it difficult to continuously and stably expel air bubbles from the grout, thus compromising the density and seepage prevention effect of the pile grouting. Summary of the Invention

[0007] The purpose of this invention is to provide a vertical barrier wall grouting construction device that enables grouting and vibration functions through an integrated structure, and allows for uniform and controllable vibration frequency, thereby expelling air bubbles from the grout and ensuring the compactness of the pile body.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: A vertical barrier wall grouting construction device for performing grouting operations inside the piles of a barrier wall, comprising: The receiving tube has its outer wall abutting against the inner wall of the pile body, and a medium driving cavity is formed inside the receiving tube; The grout outlet pipe is coaxially fitted inside the medium driving cavity of the receiving pipe. Under the drive of the medium, the grout outlet pipe moves outward or retract along the axial direction of the pile body. The grout delivery pipe is coaxially inserted inside the grout outlet pipe. The grout delivery pipe and the grout outlet pipe are slidably fitted together. The grout delivery pipe is rotatably connected to the receiving pipe. When the grout delivery pipe rotates relative to the receiving pipe, the grouting channel formed between the grout delivery pipe and the grout outlet pipe can switch between a conductive state and a blocked state. A disturbance component is coaxially disposed inside the slurry outlet pipe and is fixedly connected to the bottom end of the slurry delivery pipe. During the ejection or retraction process, the slurry outlet pipe undergoes axial displacement relative to the slurry delivery pipe, thereby driving the disturbance component to generate disturbance.

[0009] Preferably, the two ends of the receiving tube are respectively provided with a first assembly port and a second assembly port on the same axis, and both the first assembly port and the second assembly port are connected to the medium driving cavity. The first assembly port is used for the slurry pipe to pass through, and the inner wall of the first assembly port slides in fit with the outer wall of the slurry pipe. The second assembly port is used for the grout delivery pipe to pass through, and the inner wall of the second assembly port is rotatably fitted with the outer wall of the grout delivery pipe.

[0010] Preferably, the receiving tube is provided with a first conveying port on the side near the first assembly port, and the receiving tube is provided with a second conveying port on the side near the second assembly port, and both the first conveying port and the second conveying port are connected to the medium driving cavity. When the medium is delivered to the medium driving cavity through the second delivery pipe, the grout outlet pipe can be driven to push out along the axial direction of the pile body; When the medium is delivered to the medium driving cavity through the first delivery pipe, the grout outlet pipe can be driven to retract along the axial direction of the pile body.

[0011] Preferably, the slurry outlet pipe includes a drive section, a slurry outlet section, and a mating section that are coaxially and sequentially fixedly connected; The drive section is coaxially fitted inside the medium drive cavity of the receiving tube, the inner wall of the slurry outlet section slides with the outer wall of the slurry delivery pipe, and the interior of the mating section is used to assemble the disturbance component.

[0012] Preferably, the drive section has a through hole inside, which is used for the slurry delivery pipe to pass through coaxially; The slurry outlet section has a first receiving cavity that is coaxially connected to the through hole, and the slurry delivery pipe is coaxially housed in the first receiving cavity. The sidewall of the discharge section is provided with a plurality of discharge grooves evenly distributed in the circumferential direction, and each discharge groove is connected to the first receiving cavity. When the grout delivery pipe rotates relative to the grout outlet section, the grouting channel formed between the grout delivery pipe and the grout outlet groove can switch between a conductive state and a blocked state.

[0013] Preferably, a sliding hole is provided at one end of the mating section near the slurry outlet section, and the sliding hole is used for the coaxial passage of the disturbance component; The mating section has a second receiving cavity formed inside, and the disturbance element is coaxially housed in the second receiving cavity; The sidewall of the mating section is provided with a plurality of mating holes evenly distributed circumferentially, and each of the mating holes is connected to the second receiving cavity.

[0014] Preferably, the slurry delivery pipe includes a conveying section and an output section that are coaxially and sequentially fixedly connected, and the conveying section and the output section are connected in communication; The conveying section is coaxially inserted into the through hole, and the output section is coaxially housed in the first receiving cavity.

[0015] Preferably, the output section has a third receiving cavity coaxially connected with the conveying section, and the sidewall of the output section is uniformly provided with a plurality of slurry conveying grooves along the circumference, and each of the slurry conveying grooves is connected to the third receiving cavity. The number of slurry delivery channels and slurry outlet channels are in one-to-one correspondence. When the output section rotates relative to the slurry outlet section, the slurry delivery channel and the slurry outlet channel can switch between a conducting state and a blocking state.

[0016] Preferably, the disturbance component includes an adjusting rod and a plurality of disturbance rods, each of the disturbance rods being elastically connected to the inner wall of the second receiving cavity, and the inner end of each of the disturbance rods being able to abut against the side wall of the adjusting rod; The adjusting rod is coaxially housed in the second receiving cavity, and the top of the adjusting rod is fixedly connected to the bottom of the slurry delivery pipe; Multiple disturbance rods are evenly arranged along the circumference of the mating section, and the number of disturbance rods corresponds one-to-one with the number of mating holes. Each disturbance rod passes through the corresponding mating hole.

[0017] Preferably, the outer wall of the adjusting rod is provided with a corrugated section along the axial direction, and the concave and convex contour surfaces of the corrugated section abut against the inner ends of each disturbance rod. When the slurry outlet pipe moves axially relative to the slurry delivery pipe, the disturbance rod moves axially synchronously with the mating hole, causing the inner end of the disturbance rod to slide along the concave and convex contour surface of the corrugated section, thereby driving the disturbance rod to generate radial disturbance along the mating hole.

[0018] In summary, the technical effects and advantages of this invention are as follows: 1. This invention delivers grout to the outlet pipe via a grout delivery pipe and outputs it outwards. At the same time, the receiving pipe, driven by a medium, drives the outlet pipe to reciprocate along the pile axis, thereby triggering a disturbance component to generate a disturbance. This integrated structure achieves synchronous coordination of grouting and vibration functions, and can expel air bubbles inside the grout. Furthermore, the medium drive ensures that the vibration frequency is uniform and controllable, guaranteeing the compactness of the pile.

[0019] 2. The present invention drives the grout pipe to move back and forth along the pile axis by alternately conveying the medium through the first and second conveying ports through the medium in the cavity containing the pipe; the grout is subjected to continuous and uniform vibration in the pile body, and the air bubbles inside the grout are discharged.

[0020] 3. This invention uses the relative axial displacement of the grout outlet pipe and the grout delivery pipe to drive the disturbance component to operate, so that the disturbance component generates disturbance during the displacement process, which creates a vibration effect on the grout injected into the pile body, further expelling air bubbles inside the grout and improving construction stability.

[0021] 4. This invention switches between the open and closed states of the grout delivery channel and the grout outlet channel. When open, the grout flows smoothly into the pile body through the grout delivery channel and the grout outlet channel to achieve directional grouting. When closed, the grouting channel is cut off to prevent the grout in the pile body from flowing back along the pipeline, thus improving construction flexibility. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall vertical cross-sectional structure of the present invention; Figure 3 This is a schematic diagram of the receiving tube and the slurry outlet tube in this invention; Figure 4 This is a schematic diagram of the connection and blockage state of the slurry outlet pipe and the slurry delivery pipe in this invention; Figure 5 This is a schematic diagram of the slurry delivery pipe structure in this invention; Figure 6 This is a schematic diagram of the receiving tube structure in this invention; Figure 7 This is an exploded view of the driving section, the slurry discharge section, and the mating section in this invention; Figure 8 This is a schematic diagram of the drive section, slurry outlet section, and mating section in this invention. Figure 9 This is a schematic diagram of the slurry delivery pipe structure in this invention; Figure 10 This is a schematic diagram of the disturbance component structure in this invention.

[0023] In the diagram: 1. Receiving tube; 11. First assembly port; 12. Second assembly port; 13. First delivery pipe port; 14. Second delivery pipe port; 15. Limiting protrusion; 16. Airbag; 2. Slurry outlet pipe; 21. Drive section; 211. Through hole; 22. Slurry outlet section; 221. First receiving cavity; 222. Slurry outlet groove; 23. Fitting section; 231. Sliding hole; 232. Second receiving cavity; 233. Fitting hole; 24. Conical slurry section; 3. Grout delivery pipe; 31. Conveying section; 32. Output section; 321. Third receiving cavity; 322. Grout delivery tank; 4. Disturbance component; 41. Adjustment rod; 411. Corrugated section; 42. Disturbance rod. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] like Figures 1-10 As shown, a vertical barrier wall grouting construction device is used for grouting operations inside the piles of a barrier wall, comprising: The receiving tube 1 has a hollow cylindrical structure. The axis of the receiving tube 1 coincides with the axis of the pile body. The outer wall of the receiving tube 1 abuts against the inner wall of the pile body by a fitting method. The inside of the receiving tube 1 is formed by an integrated molding process to form a medium driving cavity. The medium driving cavity is located in the central area inside the receiving tube 1 and is used to contain the driving medium and provide driving force for axial movement.

[0026] The slurry outlet pipe 2 is a cylindrical tube structure. It is fitted into the medium driving cavity of the receiving pipe 1. The slurry outlet pipe 2 and the receiving pipe 1 are coaxially arranged. The outer wall of the slurry outlet pipe 2 and the inner wall of the medium driving cavity form a sliding fit. A rubber sealing ring is provided on the outer wall of the slurry outlet pipe 2 to prevent leakage of the driving medium during the sliding process between the slurry outlet pipe 2 and the receiving pipe 1.

[0027] The grout outlet pipe 2 can reciprocate along the pile axis under the drive of the pressure medium, thereby changing the grout output position during the grouting process and helping to remove air bubbles in the pile grout.

[0028] The grout delivery pipe 3 is a hollow tubular structure with both ends open. The grout delivery pipe 3 is coaxially inserted inside the grout outlet pipe 2. The outer wall of the grout delivery pipe 3 and the inner wall of the grout outlet pipe 2 form an axial sliding fit, so that the grout outlet pipe 2 can move axially relative to the grout delivery pipe 3.

[0029] Specifically, the grout delivery pipe 3 and the receiving pipe 1 are connected by a threaded structure, allowing the grout delivery pipe 3 to rotate around its own axis. By rotating the grout delivery pipe 3, the relative position between the grout delivery channel and the grout outlet channel of the grout outlet pipe 2 can be changed, thereby switching the grouting channel between the open state and the closed state.

[0030] The disturbance element 4 is coaxially disposed inside the receiving cavity at the bottom of the slurry outlet pipe 2, and is fixedly connected to the bottom end of the slurry delivery pipe 3 by means of threaded connection.

[0031] During the ejection or retraction process, the grout outlet pipe 2 undergoes axial displacement relative to the grout delivery pipe 3, which in turn drives the disturbance component 4 to generate disturbance. Specifically, the grout delivery pipe 3 can act as a relatively fixed central component in the axial direction, while the grout outlet pipe 2 acts as a movable component that slides along the outside of the grout delivery pipe 3. The relative axial movement between the grout outlet pipe 2 and the grout delivery pipe 3 is converted into the radial reciprocating disturbance action of the disturbance component 4, so that the grouting process and the disturbance process can be carried out in tandem, which is beneficial to the discharge of air bubbles in the grout.

[0032] like Figures 1-6 As shown, the axial ends of the receiving tube 1 are respectively provided with a first assembly port 11 and a second assembly port 12. Both the first assembly port 11 and the second assembly port 12 are annular opening structures, and both the first assembly port 11 and the second assembly port 12 are connected to the medium driving cavity.

[0033] The first assembly port 11 is used for the slurry pipe 2 to pass through. The inner peripheral wall of the first assembly port 11 is arranged around the outer peripheral wall of the slurry pipe 2 and forms an axial guiding fit with the slurry pipe 2, so that the slurry pipe 2 can be pushed out or retracted along the axial direction of the receiving pipe 1.

[0034] The second assembly port 12 is used for the grout delivery pipe 3 to pass through. The inner wall of the second assembly port 12 is provided with an internal thread structure, and the outer wall of the grout delivery pipe 3 is provided with an external thread structure. The two mesh with each other to form a threaded fit. Through this threaded fit, the grout delivery pipe 3 can rotate relative to the receiving pipe 1 around its own axis, and the grout delivery pipe 3 forms axial support and guidance.

[0035] The receiving tube 1 has a first delivery port 13 on the side near the first assembly port 11 and a second delivery port 14 on the side near the second assembly port 12. The inner sides of the first delivery port 13 and the second delivery port 14 are connected to the medium driving cavity. The first delivery port 13 and the second delivery port 14 can be connected to the external medium delivery pipeline respectively to control the input and release direction of the pressure medium.

[0036] Furthermore, when a pressure medium is introduced into the medium driving cavity through the second delivery port 14, the pressure medium acts on the corresponding force-bearing part of the slurry outlet pipe 2, pushing the slurry outlet pipe 2 to move away from the receiving pipe 1, thereby realizing the ejection action; at this time, the first delivery port 13 is in the medium release state, used to discharge the medium on the other side of the medium driving cavity, so as to reduce the reverse resistance and ensure the ejection of the slurry outlet pipe 2.

[0037] When a pressure medium is introduced into the medium driving cavity through the first delivery port 13, the pressure medium acts on the slurry outlet pipe 2 to generate an axial thrust in the opposite direction, pushing the slurry outlet pipe 2 back along the direction close to the receiving pipe 1, thereby realizing the retraction action; at this time, the second delivery port 14 is in the medium release state, used to discharge the medium on the other side of the medium driving cavity, so as to reduce the retraction resistance and ensure the retraction of the slurry outlet pipe 2.

[0038] A limiting protrusion 15 is formed circumferentially on the inner wall of the medium driving cavity of the receiving tube 1 near the first assembly port 11. The limiting protrusion 15 is an annular boss protruding from the inner wall of the receiving tube 1 toward the inner side of the medium driving cavity, and its end face forms a limiting abutment surface.

[0039] When the discharge pipe 2 is pushed out to the predetermined position, the end of the discharge pipe 2 comes into contact with the limiting contact surface, thereby restricting the discharge pipe 2 from continuing to push out and preventing the discharge pipe 2 from being pushed out excessively by the receiving pipe 1.

[0040] An airbag 16 is fixedly connected to the outer wall of the receiving tube 1 by means of a clamp. The airbag 16 has an overall ring-shaped structure and is arranged around the outside of the receiving tube 1 in the circumferential direction.

[0041] The inner circumferential surface of the airbag 16 is attached to the outer circumferential surface of the receiving tube 1, and the outer circumferential surface of the airbag 16 faces the inner wall of the pile body. When the airbag 16 is not inflated, it is in a contracted state, which makes it easy for the equipment to be inserted into the pile body. When inflated, it can expand outward, adapt to the inner wall of the pile body and generate friction, thereby fixing the receiving tube 1 and the pile body relatively.

[0042] like Figures 7-8 As shown, the slurry outlet pipe 2 includes a drive section 21, a slurry outlet section 22, and a mating section 23 that are coaxially and sequentially fixedly connected. The drive section 21, the slurry outlet section 22, and the mating section 23 are integrally formed structures.

[0043] The outer diameter of the drive section 21 is adapted to the inner diameter of the medium drive cavity. The drive section 21 is coaxially fitted into the medium drive cavity of the receiving tube 1. The drive section 21 is used to directly bear the force of the pressure medium.

[0044] The discharge section 22 is located on one side of the outward extension direction of the drive section 21. The discharge section 22 is sleeved inside the slurry delivery pipe, so that the slurry delivery pipe 3 can slide and rotate relative to each other inside the discharge section 22.

[0045] The mating section 23 is located on the side of the discharge section 22 away from the drive section 21. The mating section 23 is used to accommodate the disturbance member 4 and provide space for the radial expansion and contraction of the disturbance member 4.

[0046] A through hole 211 is provided in the central region of the drive section 21. The through hole 211 is arranged through the drive section 21 along the axial direction. The through hole 211 is used for the slurry delivery pipe 3 to pass through coaxially, so that the slurry delivery pipe 3 can pass through the drive section 21 and continue to extend into the slurry outlet section 22.

[0047] A through hole 211 is provided in the central area of ​​the drive section 21. The through hole 211 is arranged to pass through the drive section 21 axially. The through hole 211 is used for the slurry pipe 3 to pass through coaxially. Its upper end is connected to the through hole 211, and its lower end extends toward the mating section 23.

[0048] The output section of the grout delivery pipe 3 is located in the first receiving cavity 221, so that the grout can form a controllable grout delivery fit between the grout delivery pipe 3 and the grout outlet section 22. A relative rotation and relative sliding space is formed between the inner wall of the first receiving cavity 221 and the outer wall of the grout delivery pipe 3.

[0049] Multiple grouting grooves 222 are evenly provided on the sidewall of the grouting section 22 along the circumference. Each grouting groove 222 is provided through the sidewall of the grouting section 22, with its outer end opening towards the inside of the pile body and its inner end connected to the first receiving cavity 221.

[0050] It should be noted that multiple discharge channels 222 are evenly distributed along the circumference of the discharge section 22, so that the slurry can be discharged outward from different circumferential positions of the discharge section 22. The discharge channels 222 can be strip-shaped channels, arc-shaped channels, or open structures that are adapted to the contour of the pipe wall.

[0051] When the grouting opening on the grouting pipe 3 is in relative communication with the grouting channel 222, the grouting pipe 3 can discharge the grout along the grouting channel 222 into the pile body, and at this time the grouting channel is in a connected state.

[0052] When the grouting opening on the grouting pipe 3 is misaligned with and blocked by the grouting channel 222, the inner wall of the first receiving cavity 22 and the outer wall of the grouting pipe 3 form a barrier. At this time, the grouting channel is in a blocked state, thereby restricting the grout from being discharged into the pile body. By rotating the grouting pipe 3, the grouting conduction state and the blocked state can be switched.

[0053] A sliding hole 231 is provided at one end of the mating section 23 near the discharge section 22. The sliding hole 231 is located at the center of the axial end of the mating section 23 and is connected to the internal space of the discharge section 22. The components of the disturbance member 4 can be inserted into the discharge section 22 through the sliding hole 231, and the sliding hole 231 can guide the axial movement of the disturbance member 4.

[0054] A second receiving cavity 232 is formed in the central region of the mating section 23. The second receiving cavity 232 extends axially along the mating section 23. The disturbance member 4 is coaxially housed in the second receiving cavity 232. The second receiving cavity 232 is connected to the sliding hole 231.

[0055] Multiple mating holes 233 are evenly provided on the side wall of the mating section 23 along the circumference. The mating holes 233 are arranged radially through the mating section 23. The inner end of each mating hole 233 is connected to the second receiving cavity 232, and the outer end opening faces the inside of the pile body.

[0056] The outer side of the end of the mating section 23 away from the grout outlet section 22 is provided with a threaded structure, and a cone grout section 24 with a conical head is connected to the threaded end. The conical head of the cone grout section 24 facilitates the insertion of the equipment deep into the pile body. The internal channel of the cone grout section 24 is connected to the second receiving cavity 232.

[0057] Specifically, since the cone section 24 is located at the end of the grout outlet pipe 2 and moves synchronously with the grout outlet pipe 2, the cone section 24 can use its cone-shaped guide surface to squeeze and disturb the grout inside the pile body during the movement, so that the air bubbles in the grout are discharged along the cone-shaped guide surface and the grout flow direction.

[0058] like Figure 9 As shown, the grout delivery pipe 3 includes a conveying section 31 and an output section 32 that are coaxially and fixedly connected in sequence. The conveying section 31 and the output section 32 are fixedly connected and communicate with each other. The conveying section 31 is used to connect with the external grouting pipeline and input the grout into the output section 32. The output section 32 is used to cooperate with the grout outlet tank 222 to output the grout.

[0059] The conveying section 31 passes through the through hole 211 and extends along the axis of the discharge pipe 2. The output section 32 is located in the first receiving cavity 221 of the discharge section 22. The outer peripheral wall of the output section 32 slides and rotates relative to the inner peripheral wall of the first receiving cavity 221.

[0060] The output section 32 has a third receiving cavity 321 that is coaxially connected to the conveying section 31. The third receiving cavity 321 is used to receive the slurry input from the conveying section 31. The side wall of the output section 32 is uniformly provided with a plurality of slurry delivery grooves 322 along the circumference. The slurry delivery grooves 322 can be in the form of strip grooves, arc grooves or open structures that are adapted to the contour of the pipe wall. Each slurry delivery groove 322 is connected to the third receiving cavity 321.

[0061] The number of grout delivery troughs 322 and grout outlet troughs 222 are in one-to-one correspondence. When the conveying section 31 rotates, it can drive the output section 32 to rotate synchronously, so that the grout delivery troughs 322 and grout outlet troughs 222 are staggered, thereby making the grouting channel in a blocked state. By controlling the rotation of the conveying section 31 relative to the grout outlet section 22, the grouting channel can be switched between the open state and the blocked state.

[0062] like Figure 10 As shown, the disturbance component 4 includes an adjusting rod 41 and multiple disturbance rods 42. The adjusting rod 41 has a cam-shaped structure, and each disturbance rod 42 has a rod-shaped structure.

[0063] The inner end of the disturbance rod 42 faces the adjusting rod 41, and the outer end faces the outer opening of the mating hole 233. Through the abutting fit between the adjusting rod 41 and the inner end of the disturbance rod 42, the relative axial movement between the slurry outlet pipe 2 and the slurry delivery pipe 3 can be converted into the radial extension and retraction movement of the disturbance rod 42.

[0064] A cylindrical compression spring is fitted around the inner end of the disturbance rod 42. One end of the spring abuts against the annular stepped surface of the disturbance rod 42, and the other end of the spring abuts against the bottom surface of the mounting groove on the inner wall of the second receiving cavity 232, so that the spring is always in a pre-tight state, providing radial restoring force for the disturbance rod 42.

[0065] After being pushed outward by the adjusting rod 41, the disturbance rod 42 can automatically reset through the elastic action of the spring. This elastic connection allows the disturbance rod 42 to switch back and forth between the extended position and the retracted position.

[0066] The adjusting rod 41 is coaxially housed in the second receiving cavity 232, and the top of the adjusting rod 41 is fixedly connected to the bottom of the output section 32.

[0067] It should be noted that when the grout delivery pipe 3 rotates, it will drive the adjusting rod 41, which is fixedly connected to it, to rotate circumferentially on the same axis. Since the adjusting rod 41 adopts a cam-shaped structure, its protruding contour part will push the inner end of each disturbance rod 42 outward in sequence during the rotation process, thereby causing multiple disturbance rods 42 to generate continuous periodic radial extension and retraction movements as the protruding contour part of the adjusting rod 41 rotates, thereby disturbing the grout.

[0068] Multiple disturbance rods 42 are arranged radially and evenly along the circumference of the mating section 23. The number of disturbance rods 42 corresponds one-to-one with the number of mating holes 233. Each disturbance rod 42 is coaxially inserted into the corresponding mating hole 233, and the disturbance rod 42 and the mating hole 233 are in sliding fit.

[0069] The outer wall of the adjusting rod 41 is integrally formed along the axial direction with a corrugated section 411 composed of alternating convex and concave rings. The concave and convex contour surfaces of the corrugated section 411 are arc-shaped structures with smooth transitions. The corrugated section 411 and the arc-shaped contact surfaces of the inner ends of each disturbance rod 42 form a tight abutment fit.

[0070] When the slurry outlet pipe 2 moves axially relative to the slurry delivery pipe 3, the disturbance rod 42 moves axially synchronously with the mating hole 233, causing the inner end of the disturbance rod 42 to slide along the concave and convex contour surface of the corrugated section 411, thereby driving the disturbance rod 42 to generate radial disturbance along the mating hole 233.

[0071] Specifically, the slurry pipe 2 drives the mating section 23 to move axially, and the mating section 23 drives the mating hole 233 and the disturbance rod 42 assembled in the mating hole 233 to move synchronously. Since the adjusting rod 41 is fixedly connected to the slurry pipe 3 and forms an axial relative movement with respect to the mating section 23, the inner end of the disturbance rod 42 will slide on the surface of the corrugated section 411.

[0072] When the inner end of the disturbance rod 42 slides to the raised contour position, the disturbance rod 42 is pushed outward; when the inner end of the disturbance rod 42 slides to the recessed contour position, the disturbance rod 42 is retracted inward under the action of the spring, thereby forming a continuous or intermittent disturbance action.

[0073] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A vertical barrier wall grouting construction device, used for grouting operations inside the piles of a barrier wall, characterized in that, include: The receiving tube has its outer wall abutting against the inner wall of the pile body, and a medium driving cavity is formed inside the receiving tube; The grout outlet pipe is coaxially fitted inside the medium driving cavity of the receiving pipe. Under the drive of the medium, the grout outlet pipe moves outward or retract along the axial direction of the pile body. The grout delivery pipe is coaxially inserted inside the grout outlet pipe. The grout delivery pipe and the grout outlet pipe are slidably fitted together. The grout delivery pipe is rotatably connected to the receiving pipe. When the grout delivery pipe rotates relative to the receiving pipe, the grouting channel formed between the grout delivery pipe and the grout outlet pipe can switch between a conductive state and a blocked state. A disturbance component is coaxially disposed inside the slurry outlet pipe and is fixedly connected to the bottom end of the slurry delivery pipe. During the ejection or retraction process, the slurry outlet pipe undergoes axial displacement relative to the slurry delivery pipe, thereby driving the disturbance component to generate disturbance.

2. The vertical barrier wall grouting construction equipment according to claim 1, characterized in that, The two ends of the receiving tube are respectively provided with a first assembly port and a second assembly port on the same axis, and both the first assembly port and the second assembly port are connected to the medium driving cavity. The first assembly port is used for the slurry pipe to pass through, and the inner wall of the first assembly port slides in fit with the outer wall of the slurry pipe. The second assembly port is used for the grout delivery pipe to pass through, and the inner wall of the second assembly port is rotatably fitted with the outer wall of the grout delivery pipe.

3. The vertical barrier wall grouting construction equipment according to claim 2, characterized in that, The receiving tube has a first conveying port on the side near the first assembly port and a second conveying port on the side near the second assembly port. Both the first and second conveying ports are connected to the medium driving cavity. When the medium is delivered to the medium driving cavity through the second delivery pipe, the grout outlet pipe can be driven to push out along the axial direction of the pile body; When the medium is delivered to the medium driving cavity through the first delivery pipe, the grout outlet pipe can be driven to retract along the axial direction of the pile body.

4. The vertical barrier wall grouting construction equipment according to claim 1, characterized in that, The slurry outlet pipe includes a drive section, a slurry outlet section, and a mating section that are coaxially and sequentially fixedly connected. The drive section is coaxially fitted inside the medium drive cavity of the receiving tube, the inner wall of the slurry outlet section slides with the outer wall of the slurry delivery pipe, and the interior of the mating section is used to assemble the disturbance component.

5. The vertical barrier wall grouting construction equipment according to claim 4, characterized in that, The drive section has a through hole inside, which is used for the coaxial passage of the slurry conveying pipe. The slurry outlet section has a first receiving cavity that is coaxially connected to the through hole, and the slurry delivery pipe is coaxially housed in the first receiving cavity. The sidewall of the discharge section is provided with a plurality of discharge grooves evenly distributed in the circumferential direction, and each discharge groove is connected to the first receiving cavity. When the grout delivery pipe rotates relative to the grout outlet section, the grouting channel formed between the grout delivery pipe and the grout outlet groove can switch between a conductive state and a blocked state.

6. The vertical barrier wall grouting construction equipment according to claim 4, characterized in that, A sliding hole is provided at one end of the mating section near the slurry outlet section, and the sliding hole is used for the coaxial passage of the disturbance component. The mating section has a second receiving cavity formed inside, and the disturbance element is coaxially housed in the second receiving cavity; The sidewall of the mating section is provided with a plurality of mating holes evenly distributed circumferentially, and each of the mating holes is connected to the second receiving cavity.

7. A vertical barrier wall grouting construction device according to claim 1 or 5, characterized in that, The slurry delivery pipe includes a conveying section and an output section that are coaxially and sequentially fixedly connected, and the conveying section and the output section are connected in communication. The conveying section is coaxially inserted into the through hole, and the output section is coaxially housed in the first receiving cavity.

8. The vertical barrier wall grouting construction equipment according to claim 7, characterized in that, The output section has a third receiving cavity coaxially connected to the conveying section. The sidewall of the output section is evenly provided with a plurality of slurry conveying grooves along the circumference, and each of the slurry conveying grooves is connected to the third receiving cavity. The number of slurry delivery channels and slurry outlet channels are in one-to-one correspondence. When the output section rotates relative to the slurry outlet section, the slurry delivery channel and the slurry outlet channel can switch between a conducting state and a blocking state.

9. A vertical barrier wall grouting construction device according to claim 1 or 6, characterized in that, The disturbance component includes an adjusting rod and a plurality of disturbance rods, each of the disturbance rods being elastically connected to the inner wall of the second receiving cavity, and the inner end of each disturbance rod being able to abut against the side wall of the adjusting rod; The adjusting rod is coaxially housed in the second receiving cavity, and the top of the adjusting rod is fixedly connected to the bottom of the slurry delivery pipe; Multiple disturbance rods are evenly arranged along the circumference of the mating section, and the number of disturbance rods corresponds one-to-one with the number of mating holes. Each disturbance rod passes through the corresponding mating hole.

10. A vertical barrier wall grouting construction device according to claim 9, characterized in that, The outer wall of the adjusting rod is provided with a corrugated section along the axial direction, and the concave and convex contour surfaces of the corrugated section abut against the inner ends of each disturbance rod. When the slurry outlet pipe moves axially relative to the slurry delivery pipe, the disturbance rod moves axially synchronously with the mating hole, causing the inner end of the disturbance rod to slide along the concave and convex contour surface of the corrugated section, thereby driving the disturbance rod to generate radial disturbance along the mating hole.

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