Waterproof and anti-blocking structure for pipe jacking starting
By adopting a waterproof and anti-sealing structure for the starting position of the top pipe construction, including the conveying pipe, the discharge sealing mechanism and the water collection and pumping mechanism, the impact of water leakage on the construction progress and the service life of the top pipe is solved, and effective waterproofing and anti-sealing effects are achieved.
Patent Information
- Application Number
- CN202421642111.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-11
AI Technical Summary
At the beginning of the pipe construction, long-term leakage of water will affect the construction progress and cause damage to the pipe, which will affect its service life.
A waterproof and anti-sealing structure is adopted for the first pipe of the top pipe, including a conveying pipe, a discharge sealing mechanism and a water collection and pumping mechanism. The conveying pipe injects material into the gap between the outer wall of the top pipe and the land through the discharge sealing mechanism. The sealing component prevents the seepage from entering the conveying pipe. The water collection and pumping mechanism collects and discharges the seepage near the conveying pipe.
Effectively prevent water leakage, avoid damage to the top pipe, improve construction progress and service life, and ensure unobstructed discharge of the conveyor pipe to avoid impurities entering.
Smart Images

Figure CN222732267U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of equipment related to pipe jacking construction, in particular to a waterproof and anti-blocking structure for pipe jacking. Background Art
[0002] Pipe jacking technology is a non-excavation pipeline laying technology used in municipal construction. Its advantages are that it has no impact on the surrounding environment or has a small impact, a small construction site, and low noise; and it can work deep underground, which is unmatched by excavation and buried pipes.
[0003] However, in the prior art, the pipe jacking technology also has certain construction defects. For example, during the pipe jacking construction process, the soil under construction may cause groundwater to gush out, affecting the pipe jacking construction operation; especially at the starting point of the pipe jacking construction, once the water leaks for a long time, it will not only affect the operation of the pipe jacking construction, but also damage the pipe jacking itself, causing delays in the construction progress and affecting its service life. Utility Model Content
[0004] The utility model aims to provide a waterproof and anti-blocking structure for the start of pipe jacking, so as to alleviate the technical problem existing in the prior art that water leakage occurs at the start position of pipe jacking construction during construction, thus affecting the construction progress and the service life of the pipe jacking.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] In a first aspect, the utility model provides a pipe jacking initial waterproof and anti-blocking structure, comprising a conveying pipe, a material discharging blocking mechanism and a water collecting and pumping mechanism, wherein the conveying pipe is connected to the material discharging blocking mechanism;
[0007] The conveying pipe is buried in the ground, and the conveying pipe is used to inject materials into the gap between the outer wall of the top pipe and the ground through the discharge blocking mechanism;
[0008] The discharge plugging mechanism includes a plugging component, and the plugging component is used to prevent the seepage water in the soil from entering the conveying pipe;
[0009] The water collecting and pumping mechanism is connected to the outer wall of the conveying pipe, and is used for collecting the seepage water of the land around the conveying pipe.
[0010] Furthermore, the material discharging and blocking mechanism further comprises a liquid outlet pipe, the liquid outlet pipe is connected with the conveying pipe, and the liquid outlet pipe is used to inject material into the gap between the outer wall of the top pipe and the land;
[0011] The blocking component is arranged in the liquid outlet pipe to block the liquid outlet pipe.
[0012] Furthermore, an action chamber is provided on the inner wall of the liquid outlet pipe, and the action chamber is in a conical shape;
[0013] The material discharge blocking mechanism abuts against the warehouse wall of the action warehouse to block the liquid discharge pipe.
[0014] Furthermore, the blocking component includes a fixed plate, an elastic support member and a blocking member, the fixed plate is connected to the inner wall of the liquid outlet pipe, and the fixed plate is connected to the blocking member through the elastic support member, so as to make the blocking member tightly abut against the action chamber.
[0015] Furthermore, the liquid outlet pipe is in a conical structure, and the diameter of the liquid outlet pipe gradually narrows in a direction away from the delivery pipe.
[0016] Furthermore, a plurality of the delivery pipes are provided, and the plurality of the delivery pipes are used to be distributed at intervals along the circumference of the top pipe, and the liquid outlet pipe connected to each of the delivery pipes faces the top pipe.
[0017] Further, the water collection and pumping mechanism includes a water collection component and a water storage tank, the water collection component and the water storage tank are both connected to the outer wall of the delivery pipe, and the water collection component is connected to the water storage tank;
[0018] The water collecting assembly is used to collect seepage water and transport the water to the water storage tank.
[0019] Furthermore, the water collecting assembly includes a guide frame, the guide frame is connected to the delivery pipe, and the guide frame is in a U-shaped groove structure and is connected to the water storage tank.
[0020] Furthermore, a cover plate is provided on the top of the guide frame near one end of the water storage bin, and the cover plate is used to prevent debris from entering the guide frame and the water storage bin.
[0021] Furthermore, the water collecting and pumping mechanism also includes a pumping pipe, one end of which is connected to the water storage tank, and the other end of which is used to be connected to an external pumping device.
[0022] The utility model can achieve the following beneficial effects:
[0023] In the first aspect, the utility model provides a waterproof and anti-blocking structure for a top pipe, comprising a conveying pipe, a discharge blocking mechanism and a water collecting and pumping mechanism, wherein the conveying pipe is connected to the discharge blocking mechanism; the conveying pipe is buried in the ground, and the conveying pipe is used to inject materials into the gap between the outer wall of the top pipe and the ground through the discharge blocking mechanism; the discharge blocking mechanism comprises a blocking component, and the blocking component is used to prevent water seepage in the ground from entering the conveying pipe; the water collecting and pumping mechanism is connected to the outer wall of the conveying pipe, and the water collecting and pumping mechanism is used to collect water seepage from the ground around the conveying pipe.
[0024] In the utility model, a filling material is provided in the conveying pipe for grouting the outer surface of the top pipe buried in the ground through a discharge sealing mechanism connected thereto, thereby filling the gap between the top pipe and the ground, and the discharge sealing mechanism has the function of sealing the discharge passage to prevent water or impurities from being brought into the conveying pipe due to material backflow; and the water collecting and pumping mechanism is used to divert and collect seepage water near the conveying pipe, and discharge the seepage water.
[0025] Compared with the prior art, the jacking pipe waterproof and anti-blocking structure provided by the utility model can prevent impurities from entering the conveying pipe under the premise of unobstructed discharge of the conveying pipe by arranging a discharge blocking mechanism on the conveying pipe, while the water collecting and pumping mechanism can collect the seepage water near the conveying pipe and then discharge it.
[0026] In summary, the utility model at least alleviates the technical problem existing in the prior art that water leakage occurs at the starting position of the jacking pipe construction during construction, which affects the construction progress and the service life of the jacking pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0028] Figure 1 A schematic diagram of the three-dimensional structure of the pipe jacking waterproof and anti-blocking structure provided by an embodiment of the utility model in use;
[0029] Figure 2 A schematic diagram of the cross-sectional structure of the pipe jacking waterproof and anti-blocking structure provided by an embodiment of the utility model in a use state;
[0030] Figure 3 A schematic diagram of the three-dimensional structure of the pipe jacking waterproof and anti-blocking structure provided by an embodiment of the utility model;
[0031] Figure 4 A schematic diagram of the internal structure of the liquid outlet pipe portion of the pipe-jacking waterproof and anti-blocking structure provided in an embodiment of the utility model;
[0032] Figure 5 A schematic diagram of the internal structure of the water collecting portion of the pipe-jacking initial waterproof and anti-blocking structure provided in an embodiment of the utility model.
[0033] Icons: 1-delivery pipe; 11-liquid outlet pipe; 111-action chamber; 112-sealing assembly; 1121-fixed plate; 1122-elastic support member; 1123-sealing member; 2-water collecting and pumping mechanism; 21-water collecting assembly; 211-flow guide frame; 212-cover plate; 22-water storage tank; 23-pumping pipe; 3-jacking pipe; 4-land. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0037] In the description of the present utility model, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0038] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0040] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0041] Embodiment 1
[0042] This embodiment provides a pipe jacking initial waterproof and anti-blocking structure, referring to Figure 1 The waterproof and anti-blocking structure of the top pipe includes a conveying pipe 1, a discharge blocking mechanism and a water collecting and pumping mechanism 2, wherein the conveying pipe 1 is connected to the discharge blocking mechanism; the conveying pipe 1 is buried in the land 4, and the conveying pipe 1 is used to inject materials into the gap between the outer wall of the top pipe 3 and the land 4 through the discharge blocking mechanism; the discharge blocking mechanism includes a blocking component 112, and the blocking component 112 is used to prevent the seepage in the land 4 from entering the conveying pipe 1; the water collecting and pumping mechanism 2 is connected to the outer wall of the conveying pipe 1, and the water collecting and pumping mechanism 2 is used to collect the seepage in the land 4 around the conveying pipe 1.
[0043] The embodiments of the utility model at least alleviate the technical problem existing in the prior art that water leakage occurs at the starting position of the jacking pipe construction during construction, which affects the construction progress and the service life of the jacking pipe.
[0044] In the embodiment of the utility model, a filling material is provided in the conveying pipe 1, which is used for grouting the outer surface of the top pipe 3 buried in the ground 4 through a discharge sealing mechanism connected thereto, thereby filling the gap between the top pipe 3 and the ground 4, and the discharge sealing mechanism has the function of sealing the discharge passage to prevent water or impurities from being brought into the conveying pipe 1 due to the backflow of materials; and the water collecting and pumping mechanism 2 is used to divert and collect the seepage water near the conveying pipe, and discharge the seepage water.
[0045] Compared with the prior art, the pipe-jacking waterproof and anti-blocking structure provided in the embodiment of the utility model can prevent impurities from entering the conveying pipe 1 under the premise that the discharge of the conveying pipe 1 is unobstructed by arranging a discharge blocking mechanism on the conveying pipe 1, and the water collecting and pumping mechanism 2 can collect the seepage water near the conveying pipe 1 and then discharge it.
[0046] In an optional implementation manner of this embodiment, refer to Figure 3 or Figure 4The material discharge plugging mechanism also includes a liquid discharge pipe 11, which is connected to the conveying pipe 1 and is used to inject materials into the gap between the outer wall of the top pipe 3 and the land 4; a plugging component 112 is arranged in the liquid discharge pipe 11 to plug the liquid discharge pipe 11.
[0047] Specifically: a plurality of liquid outlet pipes 11 are arranged at intervals at the bottom of the delivery pipe 1, and the outlet end of each liquid outlet pipe 11 faces the top pipe 3, and a blocking component 112 is arranged in the liquid outlet pipe 11; when in use, the material in the delivery pipe 1 breaks through the barrier of the blocking component 112 and discharges the material from the liquid outlet pipe 11, and when no material is injected, the blocking component 112 blocks the liquid outlet pipe 11 to prevent water seepage and impurities from entering the liquid outlet pipe 11 and causing blockage.
[0048] Further, refer to Figure 4 The inner wall of the liquid outlet pipe 11 is provided with an action chamber 111 , and the action chamber 111 is conical in shape; the discharge blocking mechanism abuts against the chamber wall of the action chamber 111 to block the liquid outlet pipe 11 .
[0049] Specifically: an action chamber 111 is provided on the inner wall of the liquid outlet pipe 11, and the action chamber 111 is conical in shape, that is, the action chamber 111 is circumferentially arranged along the inner tube wall of the liquid outlet pipe 11, and shrinks toward one end of the conveying pipe 1. When in use, the discharge sealing mechanism is abutted against the chamber wall of the action chamber 111 to achieve internal sealing of the liquid outlet pipe 11.
[0050] Further, refer to Figure 4 The sealing component 112 includes a fixed plate 1121, an elastic support member 1122 and a sealing member 1123. The fixed plate 1121 is connected to the inner wall of the liquid outlet pipe 11, and the fixed plate 1121 is connected to the sealing member 1123 through the elastic support member 1122, so as to make the sealing member 1123 tightly abut against the action chamber 111.
[0051] Specifically: the fixed plate 1121 is a sheet plate connected to the inner wall of the liquid outlet pipe 11, and it is connected to the elastic support member 1122, and the other end of the elastic support member 1122 supports a sealing member 1123, wherein the elastic support member 1122 can be a spring, and the sealing member 1123 can be a spherical rubber block, which is used to tightly abut against the wall of the working chamber 111 to achieve a sealing effect.
[0052] In an optional implementation manner of this embodiment, refer to Figure 3 or Figure 4 The liquid outlet pipe 11 has a conical structure, and the diameter of the liquid outlet pipe 11 gradually narrows in the direction away from the delivery pipe 1.
[0053] Specifically: the liquid outlet pipe 11 has a conical structure, and specifically the diameter of the liquid outlet pipe 11 gradually narrows in the direction away from the conveying pipe 1, so that the material can be more concentrated in the liquid outlet pipe 11, which is convenient for squeezing the blocking member 1123 downward, thereby realizing the passage of the liquid outlet pipe 11.
[0054] In an optional implementation manner of this embodiment, refer to Figure 1 or Figure 2 There are multiple delivery pipes 1, and the multiple delivery pipes 1 are used to be distributed at intervals along the circumference of the top pipe 3, and the liquid outlet pipe 11 connected to each delivery pipe 1 faces the top pipe 3.
[0055] Specifically: a plurality of conveying pipes 1 are provided, and the plurality of conveying pipes 1 are used to be distributed at intervals along the circumference of the top pipe 3, so as to achieve the effect of synchronously injecting material into the gap between the top pipe 3 and the ground 4 by the plurality of conveying pipes 1, which greatly improves the efficiency of injecting material.
[0056] In an optional implementation manner of this embodiment, refer to Figure 5 The water collecting and pumping mechanism 2 includes a water collecting component 21 and a water storage tank 22. The water collecting component 21 and the water storage tank 22 are both connected to the outer wall of the conveying pipe 1, and the water collecting component 21 is connected to the water storage tank 22; the water collecting component 21 is used to collect seepage water and transport the water to the water storage tank 22.
[0057] Specifically: the water collecting component 21 and the water storage tank 22 are both connected to the top of the horizontally arranged delivery pipe 1, that is, connected to the outer wall of the delivery pipe 1 at the top, and the water collecting component 21 is connected to the water storage tank 22. When in use, the collected seepage water is diverted into the water storage tank 22 through the water collecting component 21.
[0058] Further, refer to Figure 5 The water collecting assembly 21 includes a guide frame 211 , which is connected to the delivery pipe 1 , and the guide frame 211 is in a U-shaped groove structure and is connected to the water storage tank 22 .
[0059] Specifically: the guide frame 211 is connected to the delivery pipe 1, and the guide frame 211 is a U-shaped groove structure and is connected to the water storage tank 22; it should be noted that the bottom of the guide frame 211 is a structure inclined toward the water storage tank 22 so that water can flow to and be stored in the water storage tank 22.
[0060] Further, refer to Figure 5 A cover plate 212 is provided on the top of the guide frame 211 near one end of the water storage bin 22 , and the cover plate 212 is used to prevent debris from entering the guide frame 211 and the water storage bin 22 .
[0061] Specifically: A cover plate 212 is provided on the top of the guide frame 211 near one end of the water storage bin 22 to prevent debris from entering the water storage bin 22 from the connection between the guide frame 211 and the water storage bin 22, and the length of the cover plate 212 can be adjusted or replaced according to actual use needs.
[0062] In an optional implementation manner of this embodiment, refer to Figure 3 or Figure 5 The water collecting and pumping mechanism 2 also includes a pumping pipe 23, one end of which is connected to the water storage tank 22, and the other end is used to be connected to an external pumping device.
[0063] Specifically, the pumping pipe 23 is inserted into the water storage tank 22 in the vertical direction, and the other end thereof passes through the ground 4 and is connected to an external pumping device. When in use, the accumulated water in the water storage tank 22 is pumped out by regular pumping.
[0064] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A pipe jacking waterproof and anti-blocking structure, characterized in that: It comprises a conveying pipe (1), a material discharging sealing mechanism and a water collecting and pumping mechanism (2), wherein the conveying pipe (1) is connected to the material discharging sealing mechanism; The conveying pipe (1) is buried in the soil (4), and the conveying pipe (1) is used to inject material into the gap between the outer wall of the top pipe (3) and the soil (4) through the discharge blocking mechanism; The discharge blocking mechanism comprises a blocking component (112), and the blocking component (112) is used to prevent water seepage in the soil (4) from entering the conveying pipe (1); The water collection and pumping mechanism (2) is connected to the outer wall of the delivery pipe (1), and the water collection and pumping mechanism (2) is used to collect water seepage from the land (4) around the delivery pipe (1).
2. The waterproof and anti-blocking structure for pipe jacking according to claim 1 is characterized in that: The material discharging and blocking mechanism further comprises a liquid outlet pipe (11), the liquid outlet pipe (11) being in communication with the conveying pipe (1), and the liquid outlet pipe (11) being used to inject material into the gap between the outer wall of the top pipe (3) and the land (4); The blocking component (112) is arranged in the liquid outlet pipe (11) to block the liquid outlet pipe (11).
3. The waterproof and anti-blocking structure for pipe jacking according to claim 2 is characterized in that: An action chamber (111) is provided on the inner wall of the liquid outlet pipe (11), and the action chamber (111) is in a conical shape; The material discharge blocking mechanism abuts against the wall of the action chamber (111) to block the liquid discharge pipe (11).
4. The waterproof and anti-blocking structure for pipe jacking according to claim 3 is characterized in that: The blocking component (112) comprises a fixing plate (1121), an elastic support member (1122) and a blocking member (1123); the fixing plate (1121) is connected to the inner wall of the liquid outlet pipe (11), and the fixing plate (1121) is connected to the blocking member (1123) via the elastic support member (1122) so as to enable the blocking member (1123) to be in tight contact with the action chamber (111).
5. The waterproof and anti-blocking structure for pipe jacking according to claim 2, characterized in that: The liquid outlet pipe (11) has a conical structure, and the diameter of the liquid outlet pipe (11) gradually narrows in a direction away from the delivery pipe (1).
6. The waterproof and anti-blocking structure for pipe jacking according to claim 2, characterized in that: A plurality of the delivery pipes (1) are provided, and the plurality of delivery pipes (1) are used to be distributed at intervals along the circumference of the top pipe (3), and the liquid outlet pipe (11) connected to each of the delivery pipes (1) faces the top pipe (3).
7. The waterproof and anti-blocking structure for pipe jacking according to claim 1, characterized in that: The water collecting and pumping mechanism (2) comprises a water collecting component (21) and a water storage bin (22), wherein the water collecting component (21) and the water storage bin (22) are both connected to the outer wall of the delivery pipe (1), and the water collecting component (21) is connected to the water storage bin (22); The water collection component (21) is used to collect seepage water and transport the water to the water storage tank (22).
8. The waterproof and anti-blocking structure for pipe jacking according to claim 7 is characterized in that: The water collection assembly (21) comprises a flow guide frame (211), the flow guide frame (211) is connected to the delivery pipe (1), and the flow guide frame (211) is in a U-shaped groove structure and is connected to the water storage bin (22).
9. The waterproof and anti-blocking structure for pipe jacking according to claim 8, characterized in that: A cover plate (212) is provided on the top of one end of the flow guide frame (211) close to the water storage bin (22), and the cover plate (212) is used to prevent debris from entering the flow guide frame (211) and the water storage bin (22).
10. The waterproof and anti-blocking structure for pipe jacking according to any one of claims 7 to 9, characterized in that: The water collection and pumping mechanism (2) further comprises a pumping pipe (23), one end of which is connected to the water storage tank (22), and the other end of which is used to be connected to an external pumping device.