Grouting water stop device

By designing a grouting and water-stopping device, and utilizing the through holes of the female and male locking buckles and the grouting mechanism, the problem of inconvenience in stopping the pouring of cement grout in steel pipe pile retaining structures was solved, achieving precise water-stopping and efficient construction.

CN223880345UActive Publication Date: 2026-02-06ZHEJIANG INST OF COMM CO LTD
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Patent Information

Application Number
CN202520165522.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-02-06
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

In existing technologies, steel pipe pile retaining structures have problems such as small hole size and difficulty in controlling the pouring position when sealing water, which can easily lead to leakage and waste of sealing grout.

Method used

A grouting and water-stopping device was designed, including a female locking buckle and a female locking buckle. The end face and side wall of the female locking buckle are provided with through-holes and flow holes. Combined with the grouting mechanism and the unidirectional flow mechanism, the water-stopping grout can be conveniently guided and uniformly injected.

Benefits of technology

By monitoring water seepage using sensors, the accurate injection of the sealing grout is ensured, improving the water-stopping effect, avoiding misplacement and spillage, and increasing construction efficiency and material utilization.

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Abstract

The utility model relates to the technical field of steel pipe pile construction, in particular to a grouting water stop device. The grouting water stopping device comprises a primary lock catch and a secondary lock catch which are connected with the steel pipe pile, the primary lock catch is provided with a water seepage monitoring sensor, a liquid inlet hole is formed in the end face of the secondary lock catch, a liquid flowing hole is formed in the side wall of the secondary lock catch, and the liquid inlet hole is communicated with the liquid flowing hole; and a grouting mechanism is arranged at the top of the sub lock catch and comprises a liquid inlet pipe and an insertion pipe, the liquid inlet pipe is arranged at the top of the insertion pipe and communicates with the insertion pipe, and the insertion pipe can be inserted into the liquid inlet hole. Through the cooperation of the insertion pipe and the liquid inlet hole and the connection of the insertion pipe and the liquid inlet pipe, cement slurry can enter the liquid inlet hole conveniently, and therefore the water stopping and plugging effects are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe pile construction technical field especially is related to a grouting water stop device. BACKGROUND

[0002] Steel pipe pile enclosure is the commonly used enclosure form of foundation pit engineering, and the steel pipe pile enclosure structure of foundation pit usually adopts the following two structural forms. Form one: steel pipe pile is combined with water stop curtain; form two: two adjacent steel pipe piles are connected into an integrated body by mutually engaging sub and mother lock buckles. However, form one has the following deficiencies: the construction process of water stop curtain needs to be additionally increased, which not only greatly increases the engineering cost, but also causes serious environmental pollution due to the construction characteristics of water stop curtain. Form two has the following deficiencies: during the construction of the traditional sub and mother lock buckle water stop joint, the on-site water stop effect is not ideal due to the processing deviation of the sub and mother lock buckles or the serious deformation of the reused sub and mother lock buckles, and the phenomenon of seepage water in some positions often occurs. In view of this problem, the pouring of water stop mortar is often used to solve the problem. However, during the pouring of water stop mortar, the pouring position is not easy to control due to the small size of the hole opening, and the pouring position is prone to disorder, the pouring is not in place, the water stop mortar is spilled, and waste is caused. SUMMARY

[0003] The utility model aims at providing a grouting water stop device to alleviate the problem that the hole opening size is small, the pouring position is not easy to control during pouring, the pouring position is prone to disorder, the pouring is not in place, and the water stop mortar is spilled.

[0004] In order to solve the above technical problems, the technical scheme provided by the utility model is as follows:

[0005] A grouting water stop device comprises a mother lock buckle and a sub lock buckle connected with a steel pipe pile, the mother lock buckle is provided with a water seepage monitoring sensor, the end face of the sub lock buckle is provided with a liquid inlet hole, the side wall of the sub lock buckle is provided with a liquid flow hole, and the liquid inlet hole and the liquid flow hole are through.

[0006] The top of the sub lock buckle is provided with a grouting mechanism, the grouting mechanism comprises a liquid inlet pipe and a plug pipe, the liquid inlet pipe is arranged at the top of the plug pipe and communicates with the plug pipe, and the plug pipe can be inserted into the liquid inlet hole.

[0007] Furthermore, the end face of the sub lock buckle is provided with a plurality of liquid inlet holes, the side wall of the sub lock buckle is correspondingly provided with a plurality of groups of liquid flow holes, the plurality of groups of liquid flow holes are staggered distributed on the side wall of the sub lock buckle, and each liquid inlet hole communicates with a group of liquid flow holes.

[0008] Further, the grouting mechanism further comprises a fixing plate, a connecting ring and a supporting sleeve, the fixing plate is connected to the top of the sub-locking buckle, the connecting ring is connected with the fixing plate, the connecting ring is connected with the supporting sleeve through a sliding assembly, and the supporting sleeve is sleeved on the outer pipe.

[0009] Further, the sliding assembly comprises a sliding groove arranged on the bottom wall of the connecting ring in the circumferential direction and a connecting frame connected with the supporting sleeve, and the connecting frame can slide along the sliding groove to change the position of the supporting sleeve.

[0010] Further, the outer wall of the liquid inlet pipe is provided with a connecting sleeve in the circumferential direction.

[0011] Further, the outer wall of the liquid inlet pipe is provided with a connecting sleeve in the circumferential direction.

[0012] Further, the flow hole is provided with a one-way flow mechanism for limiting the one-way flow of the slurry from the liquid inlet hole to the flow hole.

[0013] Further, the one-way flow mechanism comprises a supporting plate, a supporting spring and an abutting assembly, the supporting plate is fixedly connected to the inner wall of the flow hole, one end of the supporting spring is connected with the supporting plate, and the other end is connected with the abutting assembly.

[0014] Further, the abutting assembly comprises an abutting ball and an abutting sleeve, the abutting ball is elastically connected with the supporting spring, and the abutting sleeve is arranged on the inner wall of the flow hole; in the natural state, the abutting ball is in abutting cooperation with the abutting sleeve to block the flow hole.

[0015] Further, the female locking buckle is in plug-in cooperation with the sub-locking buckle, and the steel pipe pile is connected with the sub-locking buckle of the adjacent steel pipe pile through the female locking buckle.

[0016] The utility model at least brings following beneficial effect:

[0017] The utility model provides a grouting water stop device, which comprises a female locking buckle and a sub-locking buckle connected with a steel pipe pile, the female locking buckle is provided with a water seepage monitoring sensor, the end surface of the sub-locking buckle is provided with a liquid inlet hole, the side wall of the sub-locking buckle is provided with a flow hole, and the liquid inlet hole is communicated with the flow hole, the top of the sub-locking buckle is provided with a grouting mechanism, the grouting mechanism comprises a liquid inlet pipe and a pipe, the liquid inlet pipe is arranged at the top of the pipe and is communicated with the pipe, and the pipe can be inserted into the liquid inlet hole.

[0018] Through the connecting and matching of the female lock buckle and the male lock buckle, the mutual connection between the steel pipe piles can be realized. Under the action of the water seepage monitoring sensor, the water seepage monitoring effect between the female lock buckle and the male lock buckle can be realized. Through the connection of the pipe and the liquid inlet pipe and the pipe inserted into the liquid inlet hole, the cement mortar is conveniently injected into the liquid inlet hole from the liquid inlet pipe, the flow of the cement mortar is realized, and the convenience of the cement mortar injection is improved. Through the liquid flow hole penetrating the liquid inlet hole arranged on the side wall of the male lock buckle, under the passage connection of the liquid flow hole and the liquid inlet hole, the cement mortar is injected into the corresponding position.

[0019] In order to make the above-mentioned purpose, characteristics and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken, and the accompanying drawings are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the related art, the following will briefly introduce the drawings needed to be used in the specific embodiment or related art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of these drawings.

[0021] Figure 1 The front view of the grouting water stopping device provided by the embodiment of the utility model is provided.

[0022] Figure 2 The partial explosion view of the grouting water stopping device provided by the embodiment of the utility model is provided.

[0023] Figure 3 The partial schematic view of the steel pipe pile and the male lock buckle connection provided by the embodiment of the utility model is provided.

[0024] Figure 4 The partial enlarged view of A in the embodiment of the utility model is provided. Figure 2

[0025] Figure 5 The partial schematic view of the grouting mechanism provided by the embodiment of the utility model is provided.

[0026] Figure 6 The partial sectional view of the male lock buckle provided by the embodiment of the utility model is provided.

[0027] FIG.

[0028] ​1-steel pipe pile; 2-mother lock buckle; 3-son lock buckle; 4-permeation monitoring sensor; 5-flow hole; 6-liquid inlet hole; 7-fixing plate; 8-connecting ring; 9-liquid inlet pipe; 10-connecting sleeve; 11-elastic spring; 12-supporting sleeve; 13-insertion pipe; 14-connecting frame; 15-sliding groove; 16-supporting plate; 17-supporting spring; 18-ball stopper; 19-resisting sleeve. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some 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 those skilled in the art without creative labor fall within the scope of the present application.

[0030] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. Physical quantities in the formula, such as no separate marking, should be understood as the basic quantity of the International System of Units, or the derived quantity derived from the basic quantity by multiplication, division, differentiation or integration, etc. Mathematical operations.

[0032] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood in the utility model according to the specific meaning of the specific circumstances.

[0034] Some embodiments of the utility model will be described in detail below in conjunction with the drawings.In the case of no conflict, the following examples and features in examples can be combined with each other.

[0035] Example one

[0036] During the construction of the conventional male and female lock buckles, due to the processing deviation or serious deformation of the male and female lock buckles, the water sealing effect is not ideal at the site, and the phenomenon of water leakage in some positions often occurs, and the pouring of water sealing mortar is often used to solve this problem.However, when pouring the water sealing mortar, the pouring position is not easy to control due to the small size of the hole opening, and the position is prone to disorder, the pouring is not in place, the water sealing mortar is spilled, and waste is caused.

[0037] Therefore, the utility model embodiment provides a grouting water sealing device, which comprises: a female lock buckle 2 and a male lock buckle 3 connected with a steel pipe pile 1, the female lock buckle 2 is provided with a water seepage monitoring sensor 4, the end face of the male lock buckle 3 is provided with a liquid inlet hole 6, the side wall of the male lock buckle 3 is provided with a liquid flow hole 5, the liquid inlet hole 6 and the liquid flow hole 5 are through, and the top of the male lock buckle 3 is provided with a grouting mechanism, the grouting mechanism comprises a liquid inlet pipe 9 and a plug pipe 13, the liquid inlet pipe 9 is arranged at the top of the plug pipe 13 and communicates with the plug pipe 13, and the plug pipe 13 can be inserted into the liquid inlet hole 6.

[0038] Through the connection and cooperation of the female lock buckle 2 and the male lock buckle 3, the mutual connection between the steel pipe piles 1 can be realized.Under the action of the water seepage monitoring sensor 4, the monitoring effect of water seepage between the female lock buckle 2 and the male lock buckle 3 is realized.Through the connection of the plug pipe 13 and the liquid inlet pipe 9 and the insertion of the plug pipe 13 into the liquid inlet hole 6, the water sealing mortar is conveniently injected into the liquid inlet hole 6 from the liquid inlet pipe 9, the flow of the water sealing mortar is realized, and the convenience of the injection of the water sealing mortar is improved.Through the liquid flow hole 5 through the liquid inlet hole 6 arranged on the side wall of the male lock buckle 3, under the connection of the passageway of the liquid flow hole 5 and the liquid inlet hole 6, the water sealing mortar enters through the liquid inlet hole 6 and is discharged through the liquid flow hole 5, so that the injection effect of the water sealing mortar at the corresponding position is achieved.

[0039] The water seepage monitoring sensor 4 is distributed on both sides of the sub-locking buckle 3 through the female locking buckle 2, and the water seepage monitoring sensor 4 detects whether water exists based on the liquid conductive principle. With the positioning water leakage detection, when water contacts, the two sensing lines of the cable are short-circuited, so that the current changes, according to the proportional relationship between the resistance and the conductor length, through the rapid processing of the controller, the specific leakage position can be given and the alarm information can be sent at the same time.

[0040] In an optional mode of the embodiment, the end face of the sub-locking buckle 3 is provided with a plurality of liquid inlet holes 6, and the side wall of the sub-locking buckle 3 is correspondingly provided with a plurality of groups of liquid flow holes 5. The plurality of groups of liquid flow holes 5 are staggered on the side wall of the sub-locking buckle 3. Each liquid inlet hole 6 is in communication with a group of liquid flow holes 5.

[0041] Please refer to Figure 2 and Figure 3 In the embodiment, the liquid inlet hole 6 has four, which are all arranged on the end face of the sub-locking buckle 3. The liquid flow hole 5 is four groups, and each group of liquid flow holes 5 is in communication with a liquid inlet hole 6. The four groups of liquid flow holes 5 are distributed in a staggered state on the side wall of the sub-locking buckle 3. Under the connection of the liquid flow hole 5 and the liquid inlet hole 6, the injection operation of the water-stopping slurry can be realized.

[0042] In an optional mode of the embodiment, the grouting mechanism further comprises a fixed plate 7, a connecting ring 8 and a support sleeve 12. The fixed plate 7 is connected to the top of the sub-locking buckle 3. The connecting ring 8 is connected with the fixed plate 7. The connecting ring 8 and the support sleeve 12 are connected through the sliding assembly. The support sleeve 12 is sleeved on the outer side of the insertion pipe 13.

[0043] Please refer to Figure 4 and Figure 5 The connecting ring 8 and the support sleeve 12 are both in the shape of a ring. The connecting ring 8 is fixed above the sub-locking buckle 3 through the fixed plate 7. The liquid inlet pipe 9 is in the shape of a cylinder. The liquid inlet pipe 9 is connected with the insertion pipe 13. Through the connection of the fixed plate 7 and the sub-locking buckle 3, the support effect of the action position of the connecting ring 8 can be realized under the action of the fixed plate 7. Through the sliding assembly, the action position of the support sleeve 12 can be changed, so that the insertion pipe 13 can be moved above the liquid inlet hole 6 which needs to be grouted, and the grouting operation of the insertion pipe 13 in different positions of the liquid inlet hole 6 can be completed.

[0044] In an optional mode of the embodiment, the sliding assembly comprises a sliding groove 15 arranged on the bottom wall of the connecting ring 8 in the circumferential direction and a connecting frame 14 connected with the support sleeve 12. The connecting frame 14 can slide along the sliding groove 15 to change the position of the support sleeve 12.

[0045] Please refer to Figure 5The section of the connecting frame 14 is L-shaped, the section of the sliding groove 15 is T-shaped, and the connecting frame 14 is slidably connected with the connecting ring 8 through the sliding groove 15. The sliding of the connecting frame 14 on the sliding groove 15 can change the acting position of the supporting sleeve 12, and since the supporting sleeve 12 is sleeved on the insertion pipe 13, the position of the insertion pipe 13 is also changed, and the insertion pipe 13 can be moved above the liquid inlet hole 6 which needs to be grouted.

[0046] In an optional mode of the embodiment, the insertion pipe 13 is provided with the telescopic spring 11 in the axial direction, and the insertion pipe 13 is elastically and slidably connected with the supporting sleeve 12 through the telescopic spring 11.

[0047] Please refer to Figure 5 Under the action of the telescopic spring 11, the elastic sliding of the liquid inlet pipe 9 and the insertion pipe 13 on the supporting sleeve 12 can be realized, and the elastic control of the acting position of the insertion pipe 13 on the liquid inlet hole 6 can be achieved. When the connecting frame 14 is slid to the position on the sliding groove 15 so that the insertion pipe 13 is moved above the liquid inlet hole 6 which needs to be grouted, the liquid inlet pipe 9 can be manually pressed downward, so that the insertion pipe 13 is elastically slid on the supporting sleeve 12, and the insertion pipe 13 can be extended into the liquid inlet hole 6.

[0048] In an optional mode of the embodiment, the outer wall of the liquid inlet pipe 9 is provided with the connecting sleeve 10 in the circumferential direction.

[0049] Please refer to Figure 4 The connecting sleeve 10 is in the shape of a ring piece, and the connection of the insertion pipe 13 and the liquid inlet pipe 9 and the connection of the liquid inlet pipe 9 and the connecting sleeve 10 can complete the grouting operation of the water-stopping slurry.

[0050] In an optional mode of the embodiment, the liquid flow hole 5 is provided with a one-way flow mechanism for limiting the one-way flow of the slurry from the liquid inlet hole 6 to the liquid flow hole 5.

[0051] The one-way flow mechanism can make the water-stopping slurry always flow from the liquid inlet hole 6 to the liquid flow hole 5 in a one-way manner, so that the external soil and the like cannot enter the liquid inlet hole 6 through the liquid flow hole 5, and the grouting operation of the water-stopping slurry in the liquid inlet hole 6 can be avoided.

[0052] Specifically, the one-way flow mechanism comprises a supporting plate 16, a supporting spring 17 and an abutting assembly, the supporting plate 16 is fixedly connected to the inner wall of the liquid flow hole 5, one end of the supporting spring 17 is connected with the supporting plate 16, and the other end is connected with the abutting assembly.

[0053] Specifically, please refer to Figure 6 The abutting assembly comprises an abutting ball 18 and an abutting sleeve 19, the abutting ball 18 is elastically connected with the supporting spring 17, and the abutting sleeve 19 is arranged on the inner wall of the liquid flow hole 5. In the natural state, the abutting ball 18 is in abutting cooperation with the abutting sleeve 19 to block the liquid flow hole 5.

[0054] Two ends of the supporting spring 17 are fixedly connected to the ball abutting part 18 and the surface of the supporting plate 16 respectively, the inner wall of the sleeve 19 is inclined, and the ball abutting part 18 and the sleeve 19 abut. When the water-stopping slurry flows from the liquid inlet hole 6 to the liquid outlet hole 5, under the pressure of the water-stopping slurry, the ball abutting part 18 elastically slides towards the direction away from the sleeve 19, the liquid outlet hole 5 is opened, and the water-stopping slurry flow guiding effect is realized. After the water-stopping slurry flow is completed, the ball abutting part 18 is reset under the action of the supporting spring 17, the elastic regulation and control of the action position of the ball abutting part 18 in the sleeve 19 is realized, the liquid outlet hole 5 is closed, and the external soil and the like is prevented from entering into the liquid inlet hole 6 through the liquid outlet hole 5.

[0055] In an optional mode of the embodiment, the female lock 2 is inserted and matched with the male lock 3, and the steel pipe pile 1 is connected with the male lock 3 of the adjacent steel pipe pile 1 through the female lock 2.

[0056] Please refer to Figure 1 and Figure 2 , the cross section of the female lock 2 is C-shaped, the cross section of the male lock 3 is cylindrical, the steel pipe pile 1 is inserted and matched through the female lock 2 and the male lock 3, and the connection between the steel pipe piles 1 is realized.

[0057] The working process of the grouting water-stopping device provided by the embodiment is as follows:

[0058] The insertion pipe 13 is moved above the liquid inlet hole 6 in need of grouting through the sliding of the connecting frame 14 on the sliding groove 15, the liquid inlet pipe 9 is manually pressed downwards, so that the insertion pipe 13 is inserted into the inside of the liquid inlet hole 6. The water-stopping slurry is injected downwards from the top of the liquid inlet pipe 9, and the water-stopping slurry flows out from the liquid outlet hole 5 after sequentially passing through the liquid inlet pipe 9, the insertion pipe 13 and the liquid inlet hole 6. After the grouting is completed, the insertion pipe 13 is moved above another liquid inlet hole 6 by changing the action position of the supporting sleeve 12 through the sliding of the connecting frame 14, the liquid inlet pipe 9 is manually pressed downwards, so that the insertion pipe 13 is inserted into the inside of the liquid inlet hole 6, and the above grouting operation is repeated. Since the liquid outlet holes 5 are staggered distributed on the side wall of the male lock 3, the water-stopping slurry can uniformly flow out from each position of the male lock 3.

[0059] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model 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 utility model.

Claims

1. A grouting and water-stopping device, characterized in that, The utility model relates to a grouting water stop device connected with a steel pipe pile, comprising a female lock and a male lock, the female lock is provided with a water seepage monitoring sensor, the end surface of the male lock is provided with a liquid inlet hole, the side wall of the male lock is provided with a liquid flow hole, and the liquid inlet hole and the liquid flow hole are through. The top of the male lock is provided with a grouting mechanism, the grouting mechanism comprises a liquid inlet pipe and a plug tube, the liquid inlet pipe is arranged on the top of the plug tube and communicates with the plug tube, and the plug tube can be inserted into the liquid inlet hole.

2. The grouting water stop device according to claim 1, wherein the end surface of the male lock is provided with a plurality of liquid inlet holes, and the side wall of the male lock is correspondingly provided with a plurality of groups of liquid flow holes, the plurality of groups of liquid flow holes are staggered distributed on the side wall of the male lock, and each liquid inlet hole is through with a group of liquid flow holes.

3. The grouting water stop device according to claim 2, wherein the grouting mechanism further comprises a fixing plate, a connecting ring and a supporting sleeve, the fixing plate is connected to the top of the male lock, the connecting ring is connected with the fixing plate, the connecting ring is connected with the supporting sleeve through a sliding assembly, and the supporting sleeve is sleeved outside the plug tube.

4. The grouting water stop device according to claim 3, wherein the sliding assembly comprises a sliding groove arranged on the bottom wall of the connecting ring in the circumferential direction and a connecting frame connected with the supporting sleeve, and the connecting frame can slide along the sliding groove to change the position of the supporting sleeve.

5. The grouting water stop device according to claim 3, wherein the plug tube is provided with an elastic spring in the axial direction, and the plug tube is elastically and slidably connected with the supporting sleeve through the elastic spring.

6. The grouting water stop device according to claim 5, wherein the outer wall of the liquid inlet pipe is provided with a connecting sleeve in the circumferential direction.

7. The grouting water stop device according to claim 1, wherein the liquid flow hole is provided with a one-way flow mechanism for limiting the one-way flow of mud from the liquid inlet hole to the liquid flow hole.

8. The grouting water stop device according to claim 7, wherein the one-way flow mechanism comprises a supporting plate, a supporting spring and an abutting assembly, the supporting plate is fixedly connected to the inner wall of the liquid flow hole, one end of the supporting spring is connected with the supporting plate, and the other end is connected with the abutting assembly.

9. The grouting water stop device according to claim 8, wherein the abutting assembly comprises an abutting ball and an abutting sleeve, the abutting ball is elastically connected with the supporting spring, and the abutting sleeve is arranged on the inner wall of the liquid flow hole, in the natural state, the abutting ball is abutted and matched with the abutting sleeve to block the liquid flow hole.

10. The grouting water stop device according to claim 1, wherein the female lock is inserted and matched with the male lock, and the steel pipe pile is connected with the male lock of the adjacent steel pipe pile through the female lock. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​