Water-stopping curtain waterproof structure of pipe jacking hole

Abstract

The invention discloses a pipe jacking hole water-stopping curtain waterproof structure, and relates to the technical field of pipe jacking construction, the pipe jacking hole water-stopping curtain waterproof structure comprises a waterproof assembly and a locking piece, the waterproof assembly comprises a mounting part and a waterproof part which are connected, the mounting part is provided with a through hole which penetrates through and is in a long strip shape, and at least part of the waterproof part can elastically deform when subjected to extrusion force. The locking piece penetrates through the through hole, and the diameter of the locking piece is smaller than the length of the long-strip-shaped through hole. The installation part of the waterproof assembly is provided with a long-strip-shaped through hole, so that the waterproof assembly has certain stroke adjusting capacity to move close to or away from the center of the hole. When the central shaft of the machine head deviates from the center of the hole, the waterproof structure far away from the machine head can be moved towards the machine head, so that the waterproof structure of the water stop curtain can be always in close contact with the machine head to adapt to the sealing water stop of the machine head of the pipe jacking machine. Therefore, the waterproof structure of the water stop curtain can be compatible with the problem of poor water stop effect caused by center deviation of the machine head of the tube push bench.

Description

Technical Field

[0001] This invention relates to the field of pipe jacking construction technology, specifically to a waterproof structure with a water-stop curtain for pipe jacking tunnels. Background Technology

[0002] During pipe jacking construction, the cylindrical head of the pipe jacking machine is spaced a certain distance from the tunnel wall, usually around 40cm. Therefore, a water-stop curtain needs to be installed around the edge of the tunnel entrance. When the machine head enters or exits the tunnel, the water-stop curtain forms a seal with the outer wall of the machine head to prevent water and sand from rushing in during the process. Traditional water-stop curtains are usually hinged, with the upper steel plate fixed to the steel ring of the working shaft entrance by a single bolt.

[0003] However, existing waterstop curtains have shortcomings. For example, when the pipe jacking machine head enters or exits the tunnel, if the central axis of the head deviates from the exact center of the tunnel opening, the waterstop curtain will not seal the machine head evenly. Some waterstop curtains will wrap tightly around the machine head, while the waterstop curtains on the opposite side of the tunnel opening will wrap loosely or have obvious gaps, which can cause water and sand inrush. The waterstop curtain cannot adjust its position according to the offset of the pipe jacking machine head to adapt to the sealing and water-stopping of the machine head. Therefore, the structure of the waterstop curtain needs to be improved. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned technical deficiencies and propose a waterproof structure for a water-stop curtain in a pipe jacking tunnel, thereby solving the technical problem that the water-stop curtain in the prior art cannot adjust its position according to the offset of the pipe jacking machine head in order to adapt to the sealing and water-stopping of the pipe jacking machine head.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution: This invention provides a waterproof structure for a pipe jacking hole with a water-stop curtain, comprising: A waterproof component includes a connected mounting portion and a waterproof portion, the mounting portion having a through-hole in an elongated shape, and the waterproof portion being at least partially capable of elastic deformation under compressive force; and A locking element is provided through the through hole, the diameter of which is smaller than the length of the elongated through hole.

[0006] In some embodiments, the waterproofing component includes a hinge and a flexible seal. The hinge includes a mounting plate and a waterstop plate that are rotatably connected. The mounting plate has a through hole and forms the mounting portion. The upper half of the flexible seal is connected to the mounting plate, and the lower half together with the waterstop plate constitutes the waterproofing portion.

[0007] In some embodiments, the flexible seal has a through-hole that is elongated along its thickness direction, and the locking member passes through the through-hole.

[0008] In some embodiments, the hinge further includes a pivot and a torsion spring. The mounting plate and the waterstop plate are rotatably connected via the pivot. The torsion spring is wound around the pivot and connected to the mounting plate and the waterstop plate. When the mounting plate and the waterstop plate rotate to form an angle, the torsion spring accumulates elastic force.

[0009] In some embodiments, the flexible seal has a water-stopping protrusion at one end away from the mounting plate, and the thickness of the water-stopping protrusion is greater than the thickness of the rest of the flexible seal.

[0010] In some embodiments, the waterproofing assembly further includes an annular gasket located between the mounting plate and the flexible seal.

[0011] In some embodiments, the waterproofing assembly further includes a pre-embedded steel ring plate for fixing to the edge of the jacking pipe opening, the pre-embedded steel ring plate being connected to the side of the flexible seal facing away from the mounting plate, and the locking member being connected to the pre-embedded steel ring plate.

[0012] In some embodiments, the pre-embedded steel ring plate includes a first section and a second section arranged at an angle, the first section being used to connect to the inner wall of the jacking hole, the second section being used to connect to the end wall of the jacking hole, and the second section being connected to the locking member.

[0013] In some embodiments, the locking element includes a screw, a nut, and a washer. The screw passes through the mounting plate, the annular washer, the flexible seal, and the embedded steel ring plate in sequence. The washer is sleeved on the screw and located between the nut and the mounting plate. The nut is threadedly connected to the screw.

[0014] In some embodiments, the hinge further includes a retaining ring and a steel wire rope, the retaining ring being disposed on the waterstop plate and the steel wire rope being connected to the retaining ring.

[0015] Compared with existing technologies, the waterproof structure for the jacking tunnel provided by this invention can be configured in multiple ways. Multiple waterproof structures can be arranged in a ring around the perimeter of the jacking tunnel opening, and the waterproof parts of these structures can extend into the opening towards its center. When the jacking machine head enters or exits the tunnel, it can simultaneously press against all the waterproof parts, causing them to elastically deform at the same time. All the waterproof parts elastically adhere tightly to the outer wall of the machine head, preventing water and sand from flowing in when the machine head enters or exits the tunnel. The mounting part of the waterproof component has an elongated through-hole, allowing the waterproof component to have a certain stroke adjustment capability, moving closer to or further away from the center of the tunnel opening. When the central axis of the machine head deviates from the center of the tunnel opening, the operator can loosen the locking piece of the waterproof structure farther from the machine head, move that waterproof structure towards the center of the tunnel opening to get closer to the machine head, ensuring a tight fit between the machine head and the waterproof part of the waterproof structure during movement, and then tighten the locking piece. As can be seen, the present invention can customize and adjust the position of the water-stopping curtain waterproof structure according to the distance between the machine head and the water-stopping curtain waterproof structure, so that the water-stopping curtain waterproof structure can always maintain close contact with the machine head and adapt to the sealing and water-stopping of the jacking machine head. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the waterproof structure of the water-stop curtain when the head of the pipe jacking machine does not pass through the opening of the pipe jacking hole, provided in an embodiment of the present invention. Figure 2 This is a schematic diagram of the waterproof structure of the water-stop curtain when the jacking machine head passes through the opening of the jacking tunnel, provided in an embodiment of the present invention. Figure 3 This is a schematic diagram of the structure of multiple water-stopping curtain waterproof structures arranged in a circle according to an embodiment of the present invention. Figure 4 This is a schematic diagram of the waterproof curtain structure according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the waterproof curtain structure according to another embodiment of the present invention; Figure 6 This is a schematic diagram of the hinge component provided in an embodiment of the present invention. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0018] To address the technical problem that the water-stop curtain cannot be adjusted to match the sealing and water-stopping function of the pipe jacking machine head due to its offset, this invention provides a waterproof structure for the water-stop curtain in the pipe jacking tunnel. This structure can compensate for the weakened waterproofing effect of the water-stop curtain caused by the offset of the machine head from the center of the tunnel opening by moving the water-stop curtain.

[0019] It should be noted that the waterproofing structure of the pipe jacking tunnel waterstop curtain described in this invention is used for, but not limited to, waterproofing of the pipe jacking machine opening. For ease of explanation, this invention only uses the application of the waterproofing structure of the pipe jacking tunnel waterstop curtain to waterproofing the pipe jacking machine opening as an example. The principle of the waterproofing structure of the pipe jacking tunnel waterstop curtain in other types of equipment is essentially the same as that in the application to waterproofing the pipe jacking machine opening, and will not be elaborated here.

[0020] Please see Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the structure of a waterproof curtain structure 100 for a jacking pipe tunnel according to an embodiment of the present invention. The waterproof curtain structure 100 for a jacking pipe tunnel includes a waterproof component 1 and a locking component 2. The waterproof component 1 includes a mounting part 11 and a waterproof part 12 connected to each other. The mounting part 11 has a through hole 111 that is elongated and has a through shape. Figure 5 (As shown), the waterproof part 12 is at least partially capable of elastic deformation when subjected to compressive force. The locking member 2 has a through hole 111, the diameter of which is smaller than the length of the elongated through hole 111.

[0021] In this embodiment, the pipe jacking hole 9 is formed by rotating the cylindrical pipe jacking machine head towards the mountain. During the operation of the pipe jacking machine head, sand and water may leak into the pipe jacking hole 9. There is a certain gap between the outer wall of the pipe jacking machine head and the inner wall of the pipe jacking hole 9, usually about 40cm. Sand and water in the pipe jacking hole 9 may leak out from this gap, which will affect the construction. Therefore, it is necessary to use a water-stop curtain to block the gap from the hole opening to prevent sand and water from leaking out.

[0022] The waterproof structure of the pipe jacking tunnel is fixed to the wall along the opening of the pipe jacking tunnel 9 by the installation part 11. When the pipe jacking machine head enters or exits the opening, the waterproof part 12 can elastically deform at least part of it under the pressure. The waterproof part 12 can elastically abut against the outer wall of the pipe jacking machine head to form a sealing effect with the pipe jacking machine.

[0023] Please see Figure 3Multiple waterproof structures can be installed around the perimeter of the circular opening of the pipe jacking tunnel 9. The mounting parts 11 of each waterproof structure are individually secured using locking devices around the circular edge of the opening. The waterproof parts 12 can extend into the opening, either partially or completely, towards the center. When the pipe jacking machine head enters or exits the opening, it simultaneously presses against the waterproof parts 12 of all the waterproof structures, causing them to elastically deform in the same direction. All the waterproof parts 12 are elastically pressed against the outer wall of the machine head, preventing water and sand from flowing in and out of the opening. The mounting part 11 of the waterproof component 1 has an elongated through-hole 111, allowing for a certain stroke adjustment capability. The waterproof component 1 can reciprocate through the through-hole 111 to move closer to or further away from the center of the opening. When the central axis of the machine head deviates from the center of the opening, the operator can first loosen the locking parts of the waterproof structure that is far from the machine head, move the waterproof structure in that position toward the center of the opening to get closer to the machine head, so as to compensate for the offset distance of the machine head, so that the machine head can fit tightly with the waterproof part of the waterproof structure on the weak side of the waterproof structure during the movement, and then tighten the locking parts.

[0024] In one embodiment, please refer to Figure 4 and Figure 5 The waterproof component 1 includes a hinge 13 and a flexible seal 14. The hinge 13 includes a mounting plate 131 and a waterstop plate 132 that are rotatably connected. The mounting plate 131 has a through hole 111 and forms an installation part. The upper half of the flexible seal 14 is connected to the mounting plate 131, and the lower half of the flexible seal 14 and the waterstop plate 132 together constitute the aforementioned waterproof part 12. In this embodiment, the mounting plate 131 can be installed and fixed to the wall of the opening of the jacking tunnel 9 by the locking member 2, which is convenient for installation and removal. The waterstop plate 132 is a rigid structure and cannot be elastically deformed. The waterstop plate 132 can rotate relative to the mounting plate 131 within a certain range. When the jacking machine head enters or exits the tunnel, the waterstop plate 132 can be pressed by the jacking machine head to drive it to rotate a certain angle until the waterstop plate 132 is in close contact with the machine head. If the diameter of the jacking machine head is larger, the angle at which the machine head drives the waterstop plate 132 to rotate is larger, and vice versa. In addition, when the central axis of the pipe jacking machine head deviates slightly from the center of the pipe jacking hole 9, the waterstop plate 132 can automatically adjust according to the position and angle changes of the pipe jacking machine head, thereby better adapting to the offset of the machine head and ensuring that the waterstop curtain always maintains close contact with the machine head, thus improving the adaptability of the waterproof structure to different construction conditions.

[0025] The mounting plate 131 has a through-hole 111 through which the locking member 2 passes. This design provides greater flexibility for installation. During installation, the waterproof structure on the weak side can be adjusted according to the distance between the central axis of the pipe jacking machine head and the center of the pipe jacking hole 9. Specifically, the position of the waterproof component on the weak side is adjusted along the length of the through-hole, easily achieving precise installation of the waterproof component, simplifying the installation process and improving installation efficiency.

[0026] In one embodiment, please refer to Figure 4 The flexible seal 14 has a through-hole (not shown in the figure) along its thickness direction, and the locking member 2 passes through the through-hole. In this embodiment, the locking member 2, in addition to passing through the mounting plate 131, also passes through the through-hole of the flexible seal 14. The locking member 2 can simultaneously install and fix the mounting plate 131 and the flexible seal 14, thereby improving the stability of the installation of the flexible seal 14. In this embodiment, the shape and length of the through-hole of the flexible seal 14 can be the same as or longer than the through-hole 111 of the mounting plate 131. This embodiment can adjust the position of the waterstop plate 132 not only through the through-hole 111, but also through the through-hole, making it more functional. When the flexible seal 14 cannot fully seal the jacking machine head, the flexible seal 14 can be moved a suitable distance toward the center of the jacking hole, and then the locking member 2 can be locked. The flexible seal 14 and the mounting plate 131 can be offset simultaneously or separately, providing high adjustability.

[0027] The flexible seal 14 is annular and forms a circle, connecting with multiple hinges 13. The end of the flexible seal 14 is closer to the center of the opening than the end of the waterstop 132. The annular flexible seal 14 can elastically abut against the outer wall of the pipe jacking machine head in all 360° directions when the machine head enters and exits the opening, so as to provide all-round waterproofing around the machine head.

[0028] In one embodiment, please refer to Figure 4 The hinge 13 also includes a rotating shaft 133 and a torsion spring (not shown in the figure). The mounting plate 131 and the waterstop plate 132 are rotatably connected via the rotating shaft 133. The torsion spring is wound around the rotating shaft 133 and connected to the mounting plate 131 and the waterstop plate 132. When the mounting plate 131 and the waterstop plate 132 rotate to form an angle, the torsion spring accumulates elastic force. In this embodiment, when the jacking machine head enters or exits the tunnel, the machine head presses against the waterstop plate 132 and rotates. The waterstop plate 132 drives the torsion spring to accumulate elastic force. At this time, the torsion spring can use its elastic force to drive the waterstop plate 132 to tightly abut against the outer wall of the machine head, thereby improving the sealing effect of the waterstop plate 132 and the flexible seal 14 on the machine head. When the machine head disengages from the waterstop plate 132, the torsion spring releases its elastic force to drive the waterstop plate 132 to rotate and reset, so as to prepare for the next sealing and waterproofing work of the machine head.

[0029] In one embodiment, please refer to Figure 4 The flexible seal 14 has a water-stopping protrusion 141 at the end away from the mounting plate 131, and the thickness of the water-stopping protrusion 141 is greater than the thickness of the rest of the flexible seal 14. In this embodiment, by providing the water-stopping protrusion 141, the flexible seal 14 can improve the sealing effect when in contact with the head of the pipe jacking machine, preventing water from seeping out from the gaps.

[0030] In one embodiment, please refer to Figure 4 The waterproof component 1 also includes an annular gasket 15, which is located between the mounting plate 131 and the flexible seal 14. In this embodiment, the annular gasket 15, located between the mounting plate 131 and the flexible seal 14, acts as a buffer when the locking member 2 is tightened, preventing damage to the flexible seal 14 due to excessive compression. The flexible seal 14 is made of elastic material, and excessive compression may cause it to deform or be damaged, thus affecting its sealing performance. The annular gasket 15 effectively avoids this situation, extending the service life of the flexible seal 14. Furthermore, the annular gasket 15 enhances the connection stability between the mounting plate 131 and the flexible seal 14, ensuring that the flexible seal 14 will not shift or deform due to external forces when the jacking machine head enters or exits the tunnel, thereby maintaining good sealing performance.

[0031] In one embodiment, please refer to Figure 4 The waterproof component 1 also includes a pre-embedded steel ring plate 16, which is used to fix the edge of the jacking pipe opening. The pre-embedded steel ring plate 16 is connected to the side of the flexible sealing element 14 facing away from the mounting plate 131, and the locking element 2 is connected to the pre-embedded steel ring plate 16. In this embodiment, the pre-embedded steel ring plate 16 is fixed to the edge of the jacking pipe opening, providing a stable support foundation for the entire water-stopping curtain waterproof structure. This fixing method allows the water-stopping curtain waterproof structure to withstand greater water pressure and soil pressure during the jacking pipe construction process, and it is not easy to displace or deform, thereby ensuring the long-term stability and reliability of the waterproof structure. In addition, the pre-embedded steel ring plate 16 in this embodiment is ring-shaped, which is adapted to the shape of the jacking pipe opening, so that the pre-embedded steel ring plate 16 can fully cover the opening, and it is also convenient for multiple water-stopping curtain waterproof structures to be installed and fixed in a circle around the pre-embedded steel ring plate 16. Multiple water-stopping curtain waterproof structures can provide 360° all-round waterproofing for the opening.

[0032] In one embodiment, please refer to Figure 4The embedded steel ring plate 16 includes a first segment 161 and a second segment 162 arranged at an angle. The first segment 161 is used to connect to the inner wall of the jacking pipe hole 9, and the second segment 162 is used to connect to the end wall of the jacking pipe hole 9 (located outside the jacking pipe hole). The second segment 162 is connected to the locking member 2. In this embodiment, the first segment 161 and the second segment 162 are arranged vertically and cooperate to cover the top corner of the jacking pipe hole opening. The first segment 161 and the second segment 162 can be fixed in the concrete by embedding or by screw installation. In this embodiment, by fixing the first segment 161 and the second segment 162 simultaneously, the fixing area can be increased and the installation stability can be improved.

[0033] In one embodiment, please refer to Figure 4 The locking component 2 includes a screw 21, a nut 22, and a washer 23. The screw 21 passes through a mounting plate 131, an annular washer 15, a flexible seal 14, and a pre-embedded steel ring plate 16 in sequence. The washer 23 is sleeved on the screw 21 and located between the nut 22 and the mounting plate 131. The nut 22 is threadedly connected to the screw 21. In this embodiment, the nut 22 is detachably connected to the screw 21 by threads. When it is necessary to adjust the position of the waterstop plate 132, the nut 22 can be loosened first. Since the screw 21 passes through the elongated through hole 111 of the mounting plate 131, the mounting plate 131 can move to drive the waterstop plate 132 to move. The waterstop plate 132 is moved to a suitable position so that the jacking machine head can tightly abut against the waterstop plate 132 and the flexible seal 14 when entering and exiting the tunnel. The washer 23 is fitted onto the screw 21 and located between the nut 22 and the mounting plate 131. It can effectively disperse the pressure generated when the nut 22 is tightened, so that the pressure is evenly distributed on the mounting plate 131. This uniform pressure distribution can prevent the flexible seal from being damaged or deformed due to excessive local stress, and extend its service life.

[0034] In one embodiment, please refer to Figure 5 The hinge 13 also includes a fixing ring 135 and a steel wire rope 136. The fixing ring 135 is disposed on the waterstop plate 132, and the steel wire rope 136 connects to the fixing ring 135. In this embodiment, the fixing ring 135 is fixed to the waterstop plate 132 by welding. Multiple waterproof structures are arranged in a circle, and the multiple fixing rings 135 are also arranged in a corresponding circle. The steel wire rope 136 passes through all the fixing rings 135 sequentially and locks them, so that all the waterstop plates 132 are connected as a whole. The multiple waterstop plates 132 form an integral annular waterstop component, providing additional stability and better waterproofing effect to the entire waterstop curtain waterproof structure. The design of the hinge 13 allows the waterstop plate 132 to rotate within a certain range, while the connection of the steel wire rope 136 can constrain and guide the movement of the waterstop plate 132.

[0035] In this embodiment, the steel wire rope 136 can also be replaced by an elastic rope. The elastic rope connects all the waterstops 132 into one unit. In addition to improving the stability of the waterproofing of multiple waterstops 132, this structure also allows the waterproofing structure to better adapt to the center offset of the pipe jacking machine head. Even if the machine head changes position when entering or exiting the tunnel, the waterstops 132 can maintain good sealing contact with the machine head through the rotation of the waterstops 132 and the tension adjustment of the steel wire rope 136.

[0036] In addition to the steel wire rope 136, an adjustable-length connecting rope can be used instead. The length of the connecting rope can be customized according to the required degree of sealing. The longer the connecting rope, the weaker its constraint on the waterstop plate 132, allowing the waterstop plate 132 to rotate at a greater angle. Conversely, the shorter the connecting rope, the stronger its constraint on the waterstop plate 132, limiting its rotation angle, while also improving its waterproofing effect. Furthermore, shorter is not always better. To avoid hindering the smooth entry and exit of the pipe jacking machine head, the connecting rope cannot be set too short. The specific length of the connecting rope can be customized according to the site conditions, improving the waterproof sealing effect without affecting the entry and exit of the pipe jacking machine head.

[0037] To better understand this invention, the following is combined with... Figures 1 to 6 The technical solution of the present invention will be described in detail below: The waterproof structure for the jacking tunnel provided by this invention can be configured in multiple ways. Multiple waterproof structures can be arranged in a ring around the perimeter of the jacking tunnel opening, and the waterproof parts 12 of the multiple waterproof structures can extend into the opening towards the center of the jacking tunnel opening. When the jacking machine head enters or exits the opening, the machine head can simultaneously press against all the waterproof parts 12, causing all the waterproof parts 12 to undergo elastic deformation simultaneously. All the waterproof parts 12 elastically adhere tightly to the outer wall of the machine head, preventing water and sand from flowing in when the machine head enters or exits the tunnel. The mounting part 11 of the waterproof component 1 has an elongated through hole 111, giving the waterproof component 1 a certain stroke adjustment capability to move closer to or further away from the center of the opening. When the central axis of the machine head deviates from the center of the opening, the operator can first loosen the locking piece 2 of the waterproof structure farther from the machine head, move the waterproof structure at that position towards the center of the opening to get closer to the machine head, so that the machine head can fit tightly against the waterproof part of the waterproof structure during the movement, and then tighten the locking piece. As can be seen, the present invention can customize and adjust the position of the water-stopping curtain waterproof structure according to the distance between the machine head and the water-stopping curtain waterproof structure, so that the water-stopping curtain waterproof structure can always maintain close contact with the machine head and adapt to the sealing and water-stopping of the jacking machine head.

[0038] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A waterproof structure for a jacking pipe tunnel with a water-stop curtain, characterized in that, include: A waterproof component includes a connected mounting portion and a waterproof portion, the mounting portion having a through-hole in an elongated shape, and the waterproof portion being at least partially capable of elastic deformation under compressive force; and A locking element is provided through the through hole, the diameter of which is smaller than the length of the elongated through hole.

2. The waterproof structure for a jacking pipe tunnel as described in claim 1, characterized in that, The waterproof component includes a hinge and a flexible seal. The hinge includes a mounting plate and a waterstop plate that are rotatably connected. The mounting plate has a through hole and forms the mounting part. The upper half of the flexible seal is connected to the mounting plate, and the lower half together with the waterstop plate constitutes the waterproof part.

3. The waterproof structure for a jacking pipe tunnel as described in claim 2, characterized in that, The flexible seal has a through-hole in the thickness direction and is elongated in shape, and the locking member passes through the through-hole.

4. The waterproof structure for a jacking pipe tunnel with a water-stop curtain according to claim 2, characterized in that, The hinge also includes a pivot and a torsion spring. The mounting plate and the waterstop plate are rotatably connected via the pivot. The torsion spring is wound around the pivot and connected to the mounting plate and the waterstop plate. When the mounting plate and the waterstop plate rotate to form an angle, the torsion spring accumulates elastic force.

5. The waterproof structure for a jacking pipe tunnel with a water-stop curtain according to claim 2, characterized in that, The flexible seal has a water-stopping protrusion at one end away from the mounting plate, and the thickness of the water-stopping protrusion is greater than the thickness of the rest of the flexible seal.

6. The waterproof structure for a jacking pipe tunnel with a water-stop curtain according to claim 2, characterized in that, The waterproofing component also includes an annular gasket located between the mounting plate and the flexible seal.

7. The waterproof structure for a jacking pipe tunnel with a water-stop curtain according to claim 6, characterized in that, The waterproof component also includes a pre-embedded steel ring plate, which is used to fix the edge of the jacking pipe opening. The pre-embedded steel ring plate is connected to the side of the flexible sealing element facing away from the mounting plate, and the locking element is connected to the pre-embedded steel ring plate.

8. The waterproof structure for a jacking pipe tunnel as described in claim 7, characterized in that, The embedded steel ring plate includes a first section and a second section arranged at an angle. The first section is used to connect to the inner wall of the jacking hole, the second section is used to connect to the end wall of the jacking hole, and the second section is connected to the locking member.

9. The waterproof structure for a jacking pipe tunnel with a water-stop curtain according to claim 7, characterized in that, The locking component includes a screw, a nut, and a washer. The screw passes through the mounting plate, the annular washer, the flexible seal, and the embedded steel ring plate in sequence. The washer is sleeved on the screw and located between the nut and the mounting plate. The nut is threadedly connected to the screw.

10. The waterproof structure for a jacking pipe tunnel as described in claim 2, characterized in that, The hinge also includes a retaining ring and a steel wire rope. The retaining ring is located on the waterstop plate, and the steel wire rope is connected to the retaining ring.

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