Grouting system

Abstract

The utility model relates to the technical field of building construction, in particular to a grouting system, and aims to solve the problem that grouting is not solid easily in existing grouting operation. The grouting system provided by the utility model comprises an exhaust pipe, a pressurizing mechanism, a grouting pipe and a grouting pump, the grouting pump is connected with the grouting pipe and is used for injecting slurry; the pressurizing mechanism comprises a pressurizing cylinder, a pressurizing piston and a pressurizing spring; the pressurizing cylinder is mounted at the air outlet end of the exhaust pipe, and an exhaust port is formed in the pressurizing cylinder; the pressurizing piston is inserted into the pressurizing cylinder and slidably connected with the pressurizing cylinder, and the pressurizing spring is used for applying thrust to the pressurizing piston so that the pressurizing piston can close the exhaust port. According to the grouting system provided by the utility model, the exhaust pressure of the exhaust pipe is improved through the pressurizing mechanism so as to improve the resistance during grouting, and further the grouting compactness is improved. During grouting, slurry extrudes gas, the gas enters the pressurizing cylinder through the exhaust pipe, then the pressurizing piston is pushed, the pressurizing spring is compressed, and therefore the air pressure is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially relates to a grouting system. BACKGROUND

[0002] When the prefabricated building carries out the steel bar connection of prefabricated wallboard and other vertical components, mainly adopts the grouting sleeve connection mode. When operating, the grouting through the grouting port of grouting sleeve is completed and the pressure is maintained, because the grouting pressure is difficult to control, the grouting is not real, although the grouting can improve this situation, but the grouting effect is unstable, the grouting material and the original grout body are not good, and the grouting process is easy to damage the original structure, the operation is complex. UTILITY MODEL CONTENT

[0003] The utility model discloses a grouting system to solve the problem that the existing grouting operation is easy to appear grouting not real.

[0004] In order to solve the above technical problem, the utility model provides a technical scheme, which is to:

[0005] A grouting system, including exhaust pipe, pressure increasing mechanism, grouting pipe and grouting pump,

[0006] The grouting pump is connected with the grouting pipe and is used for injecting grout;

[0007] The pressure increasing mechanism includes pressure increasing cylinder, pressure increasing piston and pressure increasing spring, the pressure increasing cylinder is installed in the gas outlet end of the exhaust pipe, and an exhaust port is arranged on the pressure increasing cylinder;

[0008] The pressure increasing piston is inserted into the pressure increasing cylinder and is in sliding connection with the pressure increasing cylinder, and the pressure increasing spring is used for applying a pushing force to the pressure increasing piston to make the pressure increasing piston close the exhaust port.

[0009] Further, the pressure increasing mechanism further includes a pressure regulating cap, one end of the pressure increasing cylinder is connected with the exhaust pipe, and the other end is connected with the pressure regulating cap.

[0010] The pressure increasing spring is sleeved on the pressure increasing piston, one end of the pressure increasing spring is connected with the pressure increasing piston, and the other end is connected with the pressure regulating cap.

[0011] Further, the pressure regulating cap is inserted into the pressure increasing cylinder and is in threaded connection with the pressure increasing cylinder.

[0012] Further, the pressure increasing mechanism further includes a sealing ring, the sealing ring is sleeved on the pressure increasing piston, and an annular groove is formed in the pressure increasing piston to mount the sealing ring.

[0013] Further, the pressure increasing mechanism further includes a pressure sensor, the pressure sensor is installed on the pressure increasing cylinder and is used for detecting the pressure in the pressure increasing cylinder.

[0014] Further, the grouting system further comprises a circulation pipe, one end of the circulation pipe being communicated with the grouting pump, and the other end of the circulation pipe being connected with the exhaust port.

[0015] Further, the exhaust pipe and the booster cylinder are made of transparent material.

[0016] Further, the transparent material is polyvinyl chloride, organic glass or polycarbonate.

[0017] Further, the grouting system further comprises a plugging mechanism, the plugging mechanism comprising a shell, a ball pushing rod and a plugging ball.

[0018] The shell comprises a feeding pipe and a ball storage pipe, one end of the feeding pipe being communicated with the grouting port, and the other end of the feeding pipe being communicated with the grouting pipe; the ball storage pipe is communicated with the feeding pipe and is used for accommodating the plugging ball.

[0019] The ball pushing rod is inserted into the ball storage pipe and is slidably connected with the ball storage pipe, and is used for pushing the plugging ball into the feeding pipe.

[0020] The plugging ball is used for plugging the grouting port.

[0021] Further, the plugging mechanism further comprises a limiting rod, the limiting rod comprising a threaded sleeve and a top rod.

[0022] The threaded sleeve is coaxially arranged with the top rod, the threaded sleeve is sleeved on one end of the feeding pipe away from the grouting port and is threadedly connected with the feeding pipe.

[0023] The top rod is inserted into the feeding pipe and abuts against the plugging ball.

[0024] The technical effects realized by the grouting system are as follows.

[0025] The grouting system comprises an exhaust pipe, a booster mechanism, a grouting pipe and a grouting pump; the grouting pump is connected with the grouting pipe and is used for injecting slurry; the booster mechanism comprises a booster cylinder, a booster piston and a booster spring; the booster cylinder is installed at an exhaust end of the exhaust pipe, and the booster cylinder is provided with an exhaust port; the booster piston is inserted into the booster cylinder and is slidably connected with the booster cylinder, and the booster spring is used for applying a pushing force to the booster piston so as to close the exhaust port.

[0026] The grouting system improves the exhaust pressure of the exhaust pipe through the booster mechanism, so as to improve the resistance during grouting and further improve the grouting density. During grouting, the slurry extrudes the gas, the gas enters the booster cylinder through the exhaust pipe, and then pushes the booster piston and compresses the booster spring, so as to improve the gas pressure. With the increase of the pressure, the booster piston moves upward and opens the exhaust port, and the gas is discharged from the exhaust port. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0028] Figure 1 The structural schematic diagram of the grouting system provided by the embodiment of the present application is shown in the figure.

[0029] Figure 2 The structural schematic diagram of the pressurizing mechanism is shown in the figure.

[0030] Figure 3 The sectional view schematic diagram of the pressurizing mechanism is shown in the figure.

[0031] Figure 4 The structural schematic diagram of the plugging mechanism is shown in the figure.

[0032] Figure 5 The sectional view schematic diagram of the plugging mechanism is shown in the figure.

[0033] Figure 6 The schematic diagram of sending the plugging ball is shown in the figure.

[0034] Figure 7 The schematic diagram of limiting the push ball rod is shown in the figure.

[0035] Figure 8 The schematic diagram of plugging the plugging ball is shown in the figure.

[0036] Figure 9 The structural schematic diagram of the shell is shown in the figure.

[0037] Figure 10 The structural schematic diagram of the push ball rod is shown in the figure.

[0038] Figure 11 The structural schematic diagram of the limiting rod is shown in the figure.

[0039] Figure 12 The structural schematic diagram of the plugging cap is shown in the figure.

[0040] Icon: 100, exhaust pipe; 200, pressure increasing mechanism; 210, pressure increasing cylinder; 220, pressure increasing piston; 230, pressure increasing spring; 240, pressure regulating cap; 211, exhaust port; 300, grouting pipe; 400, grouting pump; 500, circulating pipe; 600, sealing mechanism; 610, shell; 611, material conveying pipe; 612, ball storage pipe; 613, ball supplementing pipe; 614, connecting pipe; 615, back flushing pipe; 616, mounting pipe; 620, ball pushing rod; 621, piston cap; 622, piston rod; 623, handle; 630, sealing ball; 640, limiting rod; 641, threaded sleeve; 642, ejector rod; 650, sealing cap; 651, sealing rod; 652, connecting sleeve; 660, limiting cap; 670, connecting cap; 700, grouting tank; 10, grouting sleeve. DETAILED DESCRIPTION

[0041] In order to make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0043] The following will be a detailed description of some embodiments of the present application with reference to the drawings. The following embodiments and features in the embodiments can be combined with each other without conflict.

[0044] During grouting operation, grouting is completed through the grouting port of the grouting sleeve and pressure is maintained. Since grouting pressure is difficult to control, grouting may not be real, although supplementing grouting can improve this situation, but the effect of supplementing grouting is unstable, the supplementing grouting material and the original grout body are not well bonded, and the supplementing grouting process is easy to damage the original structure and is complex to operate.

[0045] In view of this, the present invention provides a grouting system, including an exhaust pipe 100, a pressurizing mechanism 200, a grouting pipe 300, and a grouting pump 400; the grouting pump 400 is connected to the grouting pipe 300 for injecting grout; the pressurizing mechanism 200 includes a pressurizing cylinder 210, a pressurizing piston 220, and a pressurizing spring 230; the pressurizing cylinder 210 is installed at the air outlet end of the exhaust pipe 100, and an exhaust port 211 is provided on the pressurizing cylinder 210; the pressurizing piston 220 is inserted into the pressurizing cylinder 210 and slidably connected to the pressurizing cylinder 210, and the pressurizing spring 230 is used to apply a thrust to the pressurizing piston 220 to close the exhaust port 211.

[0046] The grouting system provided by this utility model increases the exhaust pressure of the exhaust pipe 100 through the pressurization mechanism 200 to increase the resistance during grouting, thereby improving the grouting density. During grouting, the grout forces out the gas, which enters the pressurization cylinder 210 through the exhaust pipe 100, thereby pushing the pressurization piston 220 and compressing the pressurization spring 230, thus increasing the air pressure. As the pressure increases, the pressurization piston 220 moves upward and opens the exhaust port 211, allowing the gas to be discharged from the exhaust port 211.

[0047] The following combination Figures 1-12 The structure and shape of the grouting system provided in this embodiment are described in detail below:

[0048] The grouting system provided in this embodiment includes an exhaust pipe 100, a pressurization mechanism 200, a grouting pipe 300, a grouting pump 400, a circulation pipe 500, a sealing mechanism 600, and a grout storage tank 700. Figure 1 As shown, the grout storage tank 700, grouting pump 400, grouting pipe 300, and sealing mechanism 600 are connected in sequence, and the sealing mechanism 600 is connected to the grouting port of the grouting sleeve 10. The pressurizing mechanism 200 is installed on the exhaust pipe 100, and the two ends of the circulation pipe 500 are connected to the pressurizing mechanism 200 and the grout storage tank 700, respectively.

[0049] Specifically, the outlet of the exhaust pipe 100 is higher than the grout outlet of the grouting sleeve 10. In use, the exhaust pipe 100 can be set separately above the grouting sleeve 10 or connected to the grout outlet of the grouting sleeve 10, thereby increasing the grouting resistance through the pressurization mechanism 200, improving the grouting density, and avoiding the impact of grout replenishment.

[0050] In an optional embodiment, the pressurizing mechanism 200 includes a pressurizing cylinder 210, a pressurizing piston 220, a pressurizing spring 230, and a pressure regulating cap 240, such as... Figure 2 , Figure 3The booster cylinder 210 is vertically arranged, one end of which is connected with the exhaust pipe 100 and the other end of which is connected with the pressure regulating cap 240. The booster cylinder 210 is provided with an exhaust port 211, which is connected with the circulation pipe 500. The booster spring 230 is sleeved on the booster piston 220, one end of which is connected with the booster piston 220 and the other end of which is connected with the pressure regulating cap 240. The pressure regulating cap 240 is inserted into the booster cylinder 210 and is threadedly connected with the booster cylinder 210.

[0051] In the initial state, the booster spring 230 applies a downward thrust to make the piston cap 621 of the booster piston 220 located below the exhaust port 211, thereby cutting off the communication between the exhaust port 211 and the exhaust pipe 100. During grouting, air is pushed into the exhaust pipe 100 by the grout, so that the air pressure is increased under the action of the booster mechanism 200. When the pressure exceeds the elastic force of the booster spring 230, the booster piston 220 moves upward and makes the exhaust port 211 communicate with the exhaust pipe 100, and the gas is discharged.

[0052] In order to adapt to different grouting conditions, the initial length of the booster spring 230 can be adjusted by rotating the pressure regulating cap 240, so as to change the opening pressure of the exhaust port 211 to obtain different boosting effects.

[0053] Further, in order to ensure the sealing, the booster mechanism 200 further comprises a sealing ring, which is sleeved on the booster piston 220. The booster piston 220 is provided with an annular groove for installing the sealing ring. After work, the booster spring 230 pushes the booster piston 220 to reset and scrape the grout adhered to the inner wall of the booster cylinder 210, thereby ensuring that the booster mechanism 200 can be reused.

[0054] In this embodiment, in order to ensure accurate control of pressure, the booster mechanism 200 further comprises a pressure sensor, which is installed on the booster cylinder 210 and is used for detecting the pressure in the booster cylinder 210, i.e. the gas pressure in the exhaust pipe 100. Specifically, the pressure sensor can also be provided as an air pressure gauge. Since the elastic force of the spring will change after long-term use, the position of the pressure regulating cap 240 can be adjusted in real time according to the display of the pressure sensor, thereby ensuring the accuracy of the pressure.

[0055] In this embodiment, the exhaust pipe 100 and the booster cylinder 210 are made of transparent materials to facilitate observation of the grouting progress. Specifically, the transparent materials are polyvinyl chloride, organic glass or polycarbonate.

[0056] In this embodiment, the inner diameter of the circulation pipe 500 is smaller than the inner diameter of the exhaust pipe 100, thereby increasing the circulation resistance and improving the grouting quality.

[0057] In this embodiment, the plugging mechanism 600 comprises a shell 610, a push ball rod 620, a plugging ball 630, a limiting rod 640, a plugging cap 650, a limiting cap 660 and a connecting cap 670, as shown in Figure 4 ,Figure 5 , Figure 8 As shown.

[0058] In an optional embodiment, the housing 610 includes a conveying pipe 611, a ball storage pipe 612, a ball replenishment pipe 613, a connecting pipe 614, a backflushing pipe 615, and an installation pipe 616, such as... Figure 6 , Figure 9 As shown. Specifically, the ball storage pipe 612 is vertically connected to and communicates with the conveying pipe 611; the backflushing pipe 615, the ball replenishing pipe 613, and the installation pipe 616 are sequentially installed on the ball storage pipe 612 along the direction close to the conveying pipe 611 and communicate with the ball storage pipe 612. That is, along the axial direction of the ball storage pipe 612, the ball replenishing pipe 613 is located between the backflushing pipe 615 and the installation pipe 616, and the installation pipe 616 is located between the ball replenishing pipe 613 and the conveying pipe 611. At the same time, one end of the connecting pipe 614 is installed at the grouting port, and the other end is detachably connected to the conveying pipe 611.

[0059] In this embodiment, one end of the connecting pipe 614 is inserted into the conveying pipe 611 and threadedly connected to the conveying pipe 611, and the other end is inserted into the grouting port.

[0060] In this embodiment, the sealing ball 630 is disposed inside the ball storage tube 612, the connecting cap 670 is fitted onto the end of the ball storage tube 612 away from the conveying pipe 611 and threadedly connected to the ball storage tube 612, and the pusher rod 620 is inserted into the ball storage tube 612 and the connecting cap 670 and threadedly connected to the connecting cap 670. Specifically, the pusher rod 620 includes a piston cap 621, a piston rod 622, and a handle 623. The two ends of the piston rod 622 are connected to the piston cap 621 and the handle 623 respectively. The piston cap 621 is inserted into the ball storage tube 612 and forms a seal with the inner wall of the ball storage tube 612; the piston rod 622 is inserted into the connecting cap 670 and threadedly connected to the connecting cap 670; the handle 623 is used to rotate the piston rod 622 so that it can be rotated directly by hand without the use of tools. Furthermore, a sealing ring can be provided on the piston cap 621 to improve the sealing performance.

[0061] In this embodiment, the limiting rod 640 is installed on the conveying pipe 611, and includes a threaded sleeve 641 and a push rod 642, as shown below. Figure 11 As shown, the threaded sleeve 641 and the push rod 642 are coaxially arranged. The threaded sleeve 641 is fitted onto the end of the conveying pipe 611 away from the connecting pipe 614 and is threadedly connected to the conveying pipe 611. The push rod 642 is inserted into the conveying pipe 611 and contacts the inner wall of the conveying pipe 611. The end of the push rod 642 abuts against the sealing ball 630 to push the sealing ball 630 to seal the grouting port and maintain the sealed state.

[0062] In this embodiment, the sealing cap 650 includes a sealing rod 651 and a connecting sleeve 652, such as Figure 12The blocking rod 651 is inserted into the ball supplement pipe 613 for pushing the blocking ball 630 into the ball storage pipe 612, and the connecting sleeve 652 is coaxially arranged with the blocking rod 651; the connecting sleeve 652 is sleeved on the ball supplement pipe 613 and is threadedly connected with the ball supplement pipe 613.

[0063] In the embodiment, the limiting cap 660 has the same structure as the blocking cap 650, and details are not described herein again. The limiting cap 660 is inserted into the mounting pipe 616 and abuts against the blocking ball 630, and the limiting cap 660 is arranged between the material conveying pipe 611 and the ball supplement pipe 613. The limiting cap 660 extends into the ball storage pipe 612 and is perpendicular to the ball storage pipe 612, for preventing the blocking ball 630 from falling into the material conveying pipe 611 in advance to cause the grouting port to be blocked in advance. Figure 8

[0064] In the embodiment, the limiting rod 640, the blocking cap 650 and the limiting cap 660 are all provided with the handle 623 similar to the ball pushing rod 620 for facilitating manual rotation, avoiding the use of tools to rotate the corresponding parts, and facilitating operation.

[0065] In the embodiment, the blocking ball 630 is made of an elastic material, such as rubber, for guaranteeing the blocking effect and improving the friction with the pipe wall through deformation of the blocking ball 630. That is, the diameter of the blocking ball 630 in a free state is greater than the inner diameter of the pipe, and the blocking ball 630 is deformed by extrusion when entering the ball storage pipe 612 and the material conveying pipe 611.

[0066] The working process of the blocking mechanism 600 provided in the embodiment is as follows:

[0067] The connecting pipe 614 is inserted into the grouting port, the grouting pipe 300 is connected with the material conveying pipe 611, and then grouting is performed. After grouting is completed, the limiting cap 660 is rotated to make the limiting cap 660 exit the ball storage pipe 612 and be out of contact with the blocking ball 630, and then the ball pushing rod 620 is rotated to push the blocking ball 630 into the material conveying pipe 611. Under the pushing of the injected grout, the blocking ball 630 moves along the material conveying pipe 611 and is clamped into the grouting port to perform blocking.

[0068] In order to avoid the blocking ball 630 from being pushed out by the injected grout after grouting is stopped, the ball pushing rod 620 is continuously rotated to make the piston cap 621 enter the material conveying pipe 611 to limit the blocking ball 630, for preventing the blocking ball 630 from exiting the material conveying pipe 611 after the grouting pipe 300 is pulled out, thereby causing blocking failure, as shown in FIG. 6D. Figure 7

[0069] ​​Then pull out the grouting pipe 300 and inject clean water into the cleaning channel through the back flushing pipe 615 to complete the flushing of the shell 610 to prevent the slurry from adhering. Then install the limiting rod 640 on the delivery pipe 611 and rotate the push ball rod 620 reversely to make the push ball rod 620 exit the delivery pipe 611, at this time, the top rod 642 abuts against the blocking ball 630 to make the blocking ball 630 keep blocking the grouting port, the threaded sleeve 641 is sleeved on the delivery pipe 611 and is threadedly connected with the delivery pipe 611 to ensure the position of the top rod 642.

[0070] When the slurry solidifies, the blocking mechanism 600 can be pulled out, if the connecting pipe 614 cannot be pulled out, rotate the shell 610 to make the delivery pipe 611 separate from the connecting pipe 614.

[0071] In the embodiment, the outer thread is arranged on the delivery pipe 611 to connect with the threaded sleeve 641, which prevents the slurry from adhering and being difficult to clean due to the inner thread, thereby avoiding the failure of the thread on the delivery pipe 611 after multiple uses and the failure of the limiting rod 640 to be installed and screwed.

[0072] The working process of the grouting system provided by the embodiment is as follows:

[0073] According to the grouting requirement, connect the pipelines, if the grouting port of the grouting sleeve 10 is not connected with the exhaust pipe 100, after the slurry flows out of the grouting port for a certain time, the grouting port is blocked and the grouting continues. When grouting, as the pressure increases, the booster piston 220 moves upward, the gas is discharged from the exhaust port 211, until the slurry fills the exhaust pipe 100 and the booster cylinder 210, and returns to the slurry storage tank 700 through the circulating pipe 500 to reduce waste. After circulating for a certain time, the grouting pressure is lowered to make the exhaust port 211 close under the action of the booster spring 230. Then rotate the push ball rod 620 to make the push ball rod 620 push the blocking ball 630 from the ball storage pipe 612 into the delivery pipe 611, then the blocking ball 630 blocks the grouting port under the pushing of the slurry, which completely avoids the time interval of pulling out the grouting pipe 300 and inserting the plug, and ensures the timely blocking of the grouting port and the grouting quality.

[0074] Finally, pull out the grouting pipe 300 and insert the limiting rod 640 to ensure the reliable blocking of the grouting port by the blocking ball 630. At this time, the booster mechanism 200 can be checked and cleaned, and after the slurry solidifies, the blocking mechanism 600 can be removed, and when used again, the new blocking ball 630 is sent in through the ball supplementing pipe 613. The grouting system provided by the embodiment avoids the incompletion of grouting and improves the grouting quality through the common use of the booster mechanism 200 and the blocking mechanism 600.

[0075] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A grouting system, characterized by, The exhaust pipe (100), the pressurizing mechanism (200), the grouting pipe (300) and the grouting pump (400) are connected with each other. The grouting pump (400) is connected with the grouting pipe (300) and used for injecting slurry. The pressurizing mechanism (200) comprises a pressurizing cylinder (210), a pressurizing piston (220) and a pressurizing spring (230). The pressurizing piston (220) is inserted into the pressurizing cylinder (210) and connected with the pressurizing cylinder (210) in a sliding mode.

2. The grouting system of claim 1, wherein, The pressurizing spring (230) is sleeved on the pressurizing piston (220) and connected with the pressurizing piston (220) at one end and the pressure regulating cap (240) at the other end. The pressure regulating cap (240) is inserted into the pressurizing cylinder (210) and connected with the pressurizing cylinder (210) in a threaded mode.

3. The grouting system of claim 2, wherein, The pressurizing mechanism (200) further comprises a sealing ring.

4. The grouting system of claim 3, wherein, The sealing ring is sleeved on the pressurizing piston (220) and the pressurizing piston (220) is provided with an annular groove for installing the sealing ring.

5. The grouting system of claim 4, wherein, The pressurizing mechanism (200) further comprises a pressure sensor.

6. The grouting system of claim 1, wherein, The pressure sensor is installed on the pressurizing cylinder (210) and used for detecting the pressure in the pressurizing cylinder (210).

7. The grout system of claim 1, wherein, The exhaust pipe (100) and the pressurizing cylinder (210) are made of transparent materials.

8. The grouting system of claim 7, wherein, The transparent materials are polyvinyl chloride, organic glass or polycarbonate.

9. The grout system of claim 6, wherein, The plugging mechanism (600) comprises a shell (610), a ball pushing rod (620) and a plugging ball (630). The shell (610) comprises a material conveying pipe (611) and a ball storage pipe (612). The ball pushing rod (620) is inserted into the ball storage pipe (612) and connected with the ball storage pipe (612) in a sliding mode. The plugging ball (630) is used for plugging the grouting opening.

10. The grouting system of claim 9, wherein, The plugging mechanism (600) further comprises a limiting rod (640). The limiting rod (640) comprises a threaded sleeve (641) and a top rod (642). The threaded sleeve (641) is coaxially arranged with the ejector rod (642), and the threaded sleeve (641) is sleeved on one end of the material conveying pipe (611) away from the grouting port and is threadedly connected with the material conveying pipe (611); The ejector rod (642) is inserted into the material conveying pipe (611) and abuts against the blocking ball (630).

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