Pipe burst blocking device

Abstract

The present invention discloses a pipe burst plugging device, which is used to plug the main body of the pipe burst, including a jacking head, a grouting pipe assembly, an inner plugging assembly, an outer plugging piece and a movable assembly; the pipe burst plugging device of the present invention can use the water pressure to quickly align with the water gushing port by utilizing the conical jacking head, so as to facilitate the insertion of the outer plugging piece into the surrounding soil layer, and then push the movable assembly to apply pressure to the outer plugging assembly through the grouting pipe assembly, so as to push the outer plugging piece to deform and expand to produce a plugging effect. During the insertion process of the pipe burst plugging device, the first water diversion channel can ensure the normal diversion of pressurized water, reduce its own resistance, and prevent it from being washed away by the water flow. After the grouting is completed, the inner plugging assembly can plug the grouting port to prevent the unsolidified slurry from flowing back. The pipe burst plugging device of the present invention has the advantages of small size, light weight and large plugging diameter, and can be flexibly applied to various water burst plugging, especially for high-pressure water bursting, it can achieve two-way plugging, improve the plugging effect, and save time and labor.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, and more specifically, to a pipe burst blocking device. Background Art

[0002] Piping is a common engineering problem at construction sites and needs to be monitored and handled in a timely and effective manner, otherwise it will cause huge safety hazards to hydraulic structures. If the pipe burst blocking device is not effective, a lot of manpower and material resources will be wasted, resulting in poor rescue results, and the disaster will be aggravated due to time delays.

[0003] The existing pipe burst blocking method has the following problems:

[0004] 1. The pipe burst plugging device is easily carried away by the water flow under high-pressure water flow, and the plugging method is passive plugging, and the plugging position is difficult to determine.

[0005] 2. The pipe burst plugging device is large in size and heavy in weight, and cannot be moved by manpower, which affects the timeliness of the plugging. Summary of the invention

[0006] The present invention provides a pipe burst plugging device to solve the problem in the prior art that the pipe burst plugging device is difficult to determine the plugging position due to passive plugging and is easily carried away by the water flow under high-pressure water flow.

[0007] The present invention provides a pipe burst plugging device, comprising a jacking head, a grouting pipe assembly, an inner plugging assembly, an outer plugging piece and a movable assembly; at least a portion of the jacking head is formed as a conical head, the jacking head can be movably penetrated in the main body so that the main body forms a fluid channel extending along a first direction, and the jacking head is provided with a first water diversion channel connected to the fluid channel; the grouting pipe assembly is detachably connected to the jacking head, a second water diversion channel connected to the first water diversion channel is provided in the grouting pipe assembly, and the grouting pipe assembly pushes the jacking head to move so as to penetrate the main body; the inner plugging assembly is arranged at one end of the grouting pipe assembly connected to the jacking head, and the inner plugging assembly can be moved to open or close the inner circle of the fluid channel; the outer plugging piece is arranged on the outer periphery of the grouting pipe assembly, and the outer plugging piece can be stretched open to block the outer circle of the fluid channel; the movable assembly is arranged between the inner plugging assembly and the outer plugging piece, and the movable assembly can be moved to stretch open the outer plugging piece.

[0008] Furthermore, the grouting pipe assembly includes: a special butt joint pipe, the first end of which is detachably connected to the inner sealing assembly, the first end of which is provided with the second water diversion channel, the outer surface of which is provided with a pushing portion, and the pushing portion cooperates with the movable assembly to push the movable assembly to open the outer sealing member.

[0009] Furthermore, the internal sealing component includes: a sealing cap, which is formed as an annular structure coaxially arranged with the special docking tube, and the sealing cap is detachably connected to the special docking tube; a sealing ball, which is movably arranged in the fluid channel along the axial direction of the second water diversion channel, and the second water diversion channel is closed when the sealing ball stops against the sealing cap, and the second water diversion channel is opened when the sealing ball is separated from the sealing cap.

[0010] Furthermore, the inner wall surface of the blocking cap is provided with an internal thread, one end of the special butt joint tube is provided with an external thread, and the special butt joint tube is threadedly connected to the blocking cap.

[0011] Furthermore, the movable component includes: a pushing member, which is movably arranged on the outer periphery of the special docking tube, the pushing member cooperates with the pushing part and is pushed by the pushing part to move along the first direction; a movable member, a first end of which is connected to the pushing member; a supporting member, which is movably arranged on the second end of the movable member relative to the movable member, the external sealing member is arranged on the supporting member, the first end of the supporting member is close to the axis of the special docking tube, the second end of the supporting member is far away from the axis of the special docking tube, and the second end of the movable member cooperates with the supporting member to expand or retract the second end of the supporting member.

[0012] Furthermore, the pushing member is formed as an annular sheet body coaxially arranged with the dedicated butt joint tube, and the pushing portion is formed as an annular sheet body extending along the circumference of the dedicated butt joint tube.

[0013] Furthermore, the movable member includes a plurality of rods extending along the first direction, and the plurality of movable members are distributed at intervals along the circumference of the pushing member.

[0014] Furthermore, the support member is formed into a truncated cone-shaped structure, and the inner wall surface of the support member is provided with a plurality of sliding grooves arranged at intervals, and the movable member can move in the sliding grooves to expand or retract the support member.

[0015] Furthermore, the outer sealing member is a hydraulic cementitious material member, and the outer sealing member hardens when exposed to water after being opened by the movable component.

[0016] Furthermore, the grouting pipe assembly also includes: a universal butt joint pipe, which is detachably connected to the second end of the special butt joint pipe, and the universal butt joint pipe is movable to drive the special butt joint pipe to move synchronously.

[0017] The pipe burst plugging device of the present invention can use the water pressure to quickly align with the water gushing outlet by utilizing the conical jacking head, so as to facilitate the insertion of the outer plugging component into the surrounding soil layer, and then push the movable component to apply pressure to the outer plugging component through the grouting pipe component, so as to push the outer plugging component to deform and expand to produce a plugging effect. The first water diversion channel can ensure the normal diversion function of pressurized water during the insertion process of the pipe burst plugging device, thereby reducing its own resistance and preventing it from being washed away by the water flow. After the grouting is completed, the inner plugging component can block the grouting port to prevent the unsolidified slurry from flowing back. The pipe burst plugging device of the present invention has the advantages of small size, light weight, and large plugging diameter, and can be flexibly applied to various water burst plugging, especially for high-pressure water bursting, it can achieve two-way plugging, improve the plugging effect, and save time and labor.

[0018] Further features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

[0020] Figure 1 is an exploded view of an embodiment of a pipe burst blocking device according to the present invention;

[0021] Figure 2 is a partial cross-sectional view of an embodiment of a pipe burst blocking device according to the present invention;

[0022] Figure 3 2 is a schematic diagram of a special butt joint pipe according to an embodiment of a pipe burst plugging device of the present invention;

[0023] Figure 4 is a cross-sectional view of a special butt joint pipe according to an embodiment of a pipe burst plugging device of the present invention;

[0024] Figure 5 is a schematic diagram of a universal butt joint pipe according to an embodiment of a pipe burst plugging device of the present invention;

[0025] Figure 6 is a cross-sectional view of a universal butt joint pipe according to an embodiment of a pipe burst plugging device of the present invention;

[0026] Figure 7 is an exploded view of a grouting pipeline assembly according to an embodiment of a pipe burst plugging device of the present invention;

[0027] Figure 8 is a schematic diagram of an external plugging member according to an embodiment of the pipe burst plugging device of the present invention;

[0028] Fig. 9 is a partial schematic diagram of the movable components of the pipe burst blocking device according to an embodiment of the present invention;

[0029] Fig.10 is a schematic diagram of the advancement process of the inner plugging component according to an embodiment of the pipe burst plugging device of the present invention;

[0030] Fig.11 Schematic diagram of an embodiment of a pipe burst blocking device according to the present invention.

[0031] Reference numerals:

[0032] A jacking head 10, a fluid channel 11, and a first water diversion channel 12;

[0033] Grouting pipe assembly 20, second water diversion channel 21, special butt joint pipe 22, pusher 23, universal butt joint pipe 24;

[0034] Internal blocking component 30, blocking cap 31, blocking ball 32;

[0035] External blocking member 40;

[0036] Movable component 50 , pushing member 51 , movable member 52 , supporting member 53 . DETAILED DESCRIPTION

[0037] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless otherwise specifically stated.

[0038] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0039] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0040] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0041] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0042] In the specification and claims of the present invention, if the term "first" or "second" is involved, it may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the related objects are in an "or" relationship.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do 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 should not be understood as a limitation to the present invention.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" involved 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.

[0045] The pipe burst blocking device according to an embodiment of the present invention is described in detail below with reference to the accompanying drawings.

[0046] The pipe burst plugging device according to the embodiment of the present invention is used for plugging the main body of the pipe burst, and includes a jacking head 10, a grouting pipe assembly 20, an inner plugging assembly 30, an outer plugging member 40 and a movable assembly 50.

[0047] Specifically, at least a portion of the jacking head 10 is formed as a conical head, and the jacking head 10 can be movably inserted into the main body so that the main body forms a fluid channel 11 extending along the first direction, and the jacking head 10 is provided with a first water diversion channel 12 connected to the fluid channel 11; the grouting pipe assembly 20 is detachably connected to the jacking head 10, and the grouting pipe assembly 20 is provided with a second water diversion channel 21 connected to the first water diversion channel 12, and the grouting pipe assembly 20 pushes the jacking head 10 to move to penetrate the main body; the inner plugging assembly 30 is provided at one end of the grouting pipe assembly 20 connected to the jacking head 10, and the inner plugging assembly 30 can be moved to open or close the inner circle of the fluid channel 11; the outer plugging piece 40 is provided on the outer periphery of the grouting pipe assembly 20, and the outer plugging piece 40 can be stretched to block the outer circle of the fluid channel 11; the movable assembly 50 is provided between the inner plugging assembly 30 and the outer plugging piece 40, and the movable assembly 50 can be moved to stretch the outer plugging piece 40.

[0048] In other words, the pipe burst plugging device according to the embodiment of the present invention is used to plug the pipe burst, and is mainly composed of a jacking head 10, a grouting pipe assembly 20, an inner plugging assembly 30, an outer plugging member 40 and a movable assembly 50. Figure 1 , Figure 2 As shown, at least a portion of the jacking head 10 is formed as a conical head. The jacking head 10 can be movably inserted into the main body so that the main body forms a fluid channel 11 extending along the first direction. The jacking head 10 is formed into a cone to facilitate the rapid insertion of the pipe burst plugging device into the water gushing port in the water by using the water flow, saving time. The jacking head 10 is provided with a first water diversion channel 12 connected to the fluid channel 11; the first water diversion channel 12 is provided to facilitate the normal circulation of pressurized water before the pipe burst plugging device completes the plugging, thereby reducing the difficulty of construction.

[0049] The grouting pipe assembly 20 is detachably connected to the jacking head 10, so that the grouting pipe assembly 20 can be recycled and reused after the pipe burst is blocked. A second water diversion channel 21 connected to the first water diversion channel 12 is provided in the grouting pipe assembly 20, and the second water diversion channel 21, the fluid channel 11 and the first water diversion channel 12 are connected as a whole. The grouting pipe assembly 20 pushes the jacking head 10 to move through the main body, and the grouting pipe assembly 20 can push the jacking head 10 to move along the first direction.

[0050] The inner plugging assembly 30 is arranged at one end where the grouting pipe assembly 20 is connected to the jacking head 10. The inner plugging assembly 30 is arranged in the fluid channel 11. The inner plugging assembly 30 can move along the axial direction of the grouting pipe assembly 20 to open or close the inner circle of the fluid channel 11, thereby connecting or closing the second water diversion channel 21.

[0051] The outer plugging member 40 is disposed on the outer periphery of the grouting pipe assembly 20 , one end of the outer plugging member 40 is connected to the outer ring of the fluid channel 11 , and the outer plugging member 40 can be expanded to plug the outer ring of the fluid channel 11 .

[0052] The movable component 50 is disposed between the inner blocking component 30 and the outer blocking component 40 . The movable component 50 can move to open the outer blocking component 40 to block the outer circle of the fluid channel 11 .

[0053] The pipe burst plugging device according to the embodiment of the present invention has the advantages of small size, light weight and large plugging diameter when plugging pipe bursts. The conical jacking head 10 facilitates the pipe burst plugging device to be quickly inserted into the water outlet in the water by using the water flow, saving time. The second water diversion channel 21, the fluid channel 11 and the first water diversion channel 12 are connected as a whole. During the plugging process, they play a role in draining high-pressure water, reducing the resistance of the pipe burst plugging device, preventing it from being washed away by the water flow, and reducing the difficulty of construction. The inner plugging component 30 can move along the axial direction of the grouting pipe component 20 to open or close the inner circle of the fluid channel 11, thereby connecting or closing the second water diversion channel 21. The movable component 50 can move to prop open the outer plugging member (40) to plug the outer circle of the fluid channel 11.

[0054] Therefore, according to the pipe burst plugging device of the present invention, by utilizing the conical jacking head 10, the water pressure can be used to quickly align with the water gushing outlet, so that the outer plugging part 40 can be inserted into the surrounding soil layer conveniently, and then the movable component 50 is pushed by the grouting pipe component 20 to apply pressure to the outer plugging part 40, so as to push the outer plugging part 40 to deform and expand to produce a plugging effect. The first water diversion channel 12 can ensure the normal diversion function of pressurized water during the insertion of the pipe burst plugging device, reduce the resistance of the pipe burst plugging device, and prevent it from being washed away by the water flow. After the grouting is completed, the inner plugging component 30 can block the grouting port to prevent the unsolidified slurry from flowing back. The pipe burst plugging device of the present invention has the advantages of small size, light weight, and large plugging diameter. It can be flexibly applied to various water burst plugging, especially for high-pressure water bursting, it can achieve two-way plugging, improve the plugging effect, and save time and labor.

[0055] According to one embodiment of the present invention, the grouting pipe assembly 20 includes a special butt joint pipe 22, the first end of which is detachably connected to the internal sealing assembly 30, the first end of which is provided with a second water diversion channel 21, and the outer surface of the special butt joint pipe 22 is provided with a pushing portion 23, which cooperates with the movable assembly 50 to push the movable assembly 50 to open the external sealing member 40.

[0056] In other words, see Figure 3 , Figure 4 ,in, Figure 3 is a schematic diagram of a special butt joint pipe according to an embodiment of a pipe burst plugging device of the present invention, Figure 4It is a cross-sectional view of a special butt joint pipe according to an embodiment of the pipe burst plugging device of the present invention. The grouting pipe assembly 20 mainly includes a special butt joint pipe 22, the axis of which extends along the first direction, and the first end of the special butt joint pipe 22 is detachably connected to the inner plugging assembly 30. A second water diversion channel 21 is provided at the first end of the special butt joint pipe 22, and the special butt joint pipe is a hollow flow guide structure. A pushing portion 23 is provided on the outer surface of the special butt joint pipe 22, and the pushing portion 23 is close to the first end of the special butt joint pipe 22. When the special butt joint pipe 22 is pushed to move in the first direction toward the jacking head 10, the pushing portion 23 cooperates with the movable assembly 50 to push the movable assembly 50 to open the outer plugging member 40.

[0057] According to one embodiment of the present invention, the inner sealing component 30 includes a sealing cap 31 and a sealing ball 32 .

[0058] Specifically, the blocking cap 31 is formed as an annular structure coaxially arranged with the special docking tube 22, and the blocking cap 31 is detachably connected to the special docking tube 22; the blocking ball 32 is movably arranged in the fluid channel 11 along the axial direction of the second water diversion channel 21, and the second water diversion channel 21 is closed when the blocking ball 32 stops at the blocking cap 31, and the second water diversion channel 21 is opened when the blocking ball 32 is separated from the blocking cap 31.

[0059] In other words, see Figure 2 , the inner sealing component 30 is mainly composed of a sealing cap 31 and a sealing ball 32. The sealing cap 31 is formed into an annular structure coaxially arranged with the special docking tube 22, and the sealing cap 31 is detachably connected to the special docking tube 22; the outer ring of the sealing cap 31 is connected to the inner ring of the fluid channel 11, and the inner ring of the sealing cap 31 is detachably connected to the special docking tube 22. The sealing ball 32 is movably arranged in the fluid channel 11 along the axial direction of the second water diversion channel 21, and the special docking tube 22 can pass through the sealing cap 31 to push the sealing ball 32 to move in the direction of the first water diversion channel 12. When the sealing ball 32 stops at the sealing cap 31, the second water diversion channel 21 is closed, and when the sealing ball 32 is separated from the sealing cap 31, the second water diversion channel 21 is opened. In other words, if Figure 2 As shown, when the blocking ball 32 contacts the blocking cap 31, since the inner diameter of the blocking cap 31 is smaller than the diameter of the blocking ball 32, the spherical surface of the blocking ball 32 contacts the blocking cap 31 to form a closed state, and the second water diversion channel 21 is closed. When the blocking ball 32 leaves the blocking cap 31 and moves toward the first water diversion channel 12, the blocking ball 32 and the blocking cap 31 separate, and the channels between the second water diversion channel 21, the fluid channel 11 and the first water diversion channel 12 are opened, thereby opening the second water diversion channel 21.

[0060] The blocking ball 32 is pushed to move between the second water diversion channel 21 and the first water diversion channel 12 through the special docking tube 22. Under normal conditions, the channel formed between the second water diversion channel 21, the fluid channel 11 and the first water diversion channel 12 can divert the high-pressure water, reducing the construction difficulty of pipe burst blocking. After the grouting is completed, the blocking cap 31 forms a stopper for the blocking ball 32, thereby blocking the grouting port to prevent the unsolidified slurry from flowing back.

[0061] According to one embodiment of the present invention, the inner wall surface of the blocking cap 31 is provided with an internal thread, one end of the special butt joint pipe 22 is provided with an external thread, and the special butt joint pipe 22 is threadedly connected to the blocking cap 31 .

[0062] In other words, the blocking cap 31 is detachably connected to the special docking tube 22, preferably a threaded connection, the inner wall surface of the blocking cap 31 is provided with an internal thread, and one end of the special docking tube 22 is provided with an external thread. When the pushing portion 23 of the special docking tube 22 contacts the movable component 50, there is still enough external thread to support the special docking tube 22 to push the movable component 50 to move in the first direction toward the jacking head 10.

[0063] In some specific embodiments of the present invention, the movable assembly 50 includes a pushing member 51 , a movable member 52 and a supporting member 53 .

[0064] Specifically, the pushing member 51 is movably disposed on the outer periphery of the special docking tube 22, the pushing member 51 cooperates with the pushing portion 23, and is pushed by the pushing portion 23 to move along the first direction; the first end of the movable member 52 is connected to the pushing member 51; the support member 53 is movably disposed at the second end of the movable member 52 relative to the movable member 52, the external sealing member 40 is disposed on the support member 53, the first end of the support member 53 is close to the axis of the special docking tube 22, the second end of the support member 53 is away from the axis of the docking tube 22, and the second end of the movable member 52 cooperates with the support member 53 to expand or retract the second end of the support member 53.

[0065] In other words, Figure 2 and Fig.10 As shown, the movable assembly 50 is mainly composed of a pusher 51, a movable member 52 and a support member 53. The pusher 51 is movably arranged on the outer periphery of the dedicated butt joint tube 22, and the dedicated butt joint tube 22 can pass through the pusher 51. The pusher 51 blocks the movement of the pusher 23 in the first direction. The pusher 51 cooperates with the pusher 23, and the pusher 51 is pushed by the pusher 23 to move along the first direction.

[0066] The movable member 52 and the pushing member 51 can be two parts, or can be integrally processed into one part, such as Fig. 9 As shown, the first end of the movable member 52 is connected to the pushing member 51 ; when the pushing member 51 moves in the first direction, it drives the movable member 52 to generate an external supporting force to open the external blocking member 40 .

[0067] The support member 53 is movably arranged at the second end of the movable member 52 relative to the movable member 52, that is, the external blocking member 40 is arranged on the support member 53, the first end of the support member 53 is close to the axis of the special docking tube 22, the second end of the movable member 52 is extended and connected in the direction of the first end of the support member 53, and the second end of the support member 53 is far away from the axis of the docking tube 22. The second end of the movable member 52 cooperates with the support member 53 to open or retract the second end of the support member 53. That is, the support member 53 has a certain tension and toughness. Under normal conditions, the support member 53 is in a contracted state. When the special docking tube 22 moves in the first direction toward the direction of the jacking head 10, the pushing part 23 generates a pushing force on the pushing member 51 in the first direction, driving the movable member 52 to generate an external supporting force, and the support member 53 opens the second end of the support member 53 under the action of the second end of the movable member 52, and finally opens the external blocking member 40 to produce a blocking effect.

[0068] In some specific embodiments of the present invention, the pushing member 51 is formed as an annular sheet body coaxially arranged with the dedicated butt joint tube 22 , and the pushing portion 23 is formed as an annular sheet body extending along the circumference of the dedicated butt joint tube 22 .

[0069] In other words, the pusher 51 and the pusher portion 23 are preferably in the shape of an annular sheet, which can increase the contact area between the two, facilitate better generation of driving force, save materials, reduce the weight of the overall pipe burst plugging device, and facilitate carrying and transportation. The pusher 51 is formed as an annular sheet coaxially arranged with the dedicated butt joint pipe 22, and the pusher portion 23 is formed as an annular sheet extending along the circumference of the dedicated butt joint pipe 22.

[0070] In some specific embodiments of the present invention, the movable member 52 includes a plurality of rods extending along the first direction, and the plurality of movable members 52 are spaced apart and distributed along the circumference of the pushing member 51 .

[0071] In other words, the number of movable members 52 is a plurality of rods extending in the first direction, and the plurality of movable members 52 are spaced apart and distributed along the circumference of the pusher 51. The number of movable members 52 can be determined by comprehensive evaluation based on factors such as the size of the water inlet, the water flow velocity, and the water pressure of the water inlet. The more movable members 52 there are, the more uniform the external support force is and the better the blocking effect is.

[0072] In some specific embodiments of the present invention, the support member 53 is formed into a truncated cone structure, and the inner wall surface of the support member 53 is provided with a plurality of spaced-apart slide grooves, and the movable member 52 can move in the slide grooves to expand or retract the support member 53 .

[0073] In other words, the support member 53 is formed into a truncated cone-shaped structure with a first end close to the axis of the dedicated docking tube 22 and a second end away from the axis of the docking tube 22. The second end of the movable member 52 is extended and connected to the first end of the support member 53. The inner wall surface of the support member 53 is provided with a plurality of spaced-apart slide grooves, and the movable member 52 can move in the slide grooves to open or retract the support member 53. By providing the slide grooves, the movement of the movable member 52 in the slide grooves of the support member 53 is further facilitated, so that the support member 53 can be better opened or retracted.

[0074] Therefore, the truncated cone structure formed by the support member 53 can reduce the disturbance to the soil during contraction and jacking, and at the same time, with the help of water pressure, it is easier to insert the external sealing member 40 into the surrounding soil layer, and the previous friction force is converted into supporting force. The support member 53 drives the external sealing member 40 to expand and fix it to the predetermined soil layer, effectively resisting high-pressure water pressure.

[0075] In some specific embodiments of the present invention, the outer sealing member 40 is a hydraulic cementitious material member, and the outer sealing member 40 is hardened when exposed to water after being opened by the movable component 50 .

[0076] In other words, the outer sealing member 40 is made of a water-hardening gel material. As the pushing portion 23 of the special docking tube 22 pushes the pushing member 51 to move in the first direction, the supporting member 53 pushes the outer support of the outer sealing member 40 into the surrounding soil, and the outer sealing member 40 is subsequently stretched open. Since the outer sealing member 40 is made of a water-hardening gel material, it will harden when it comes into contact with water, thereby enhancing the sealing effect.

[0077] In some specific embodiments of the present invention, the grouting pipe assembly 20 further includes a universal butt joint pipe 24, which is detachably connected to the second end of the dedicated butt joint pipe 22, and the universal butt joint pipe 24 is movable to drive the dedicated butt joint pipe 22 to move synchronously.

[0078] In other words, the grouting pipe assembly 20 further includes a universal butt joint pipe 24, and the number of the universal butt joint pipe 24 can be one or more, which can be determined according to the location of the water inflow port. Figures 5 to 7 As shown, the universal butt joint pipe 24 is formed into a hollow flow guiding structure, the first end of the universal butt joint pipe 24 is provided with an internal thread, and the second end of the universal butt joint pipe 24 is provided with an external thread. The second end of the universal butt joint pipe 24 is detachably connected to the second end of the special butt joint pipe 22. Multiple universal butt joint pipes 24 can be connected to extend the construction distance of the pipe burst plugging device.

[0079] The plugging steps of the pipe burst plugging device of the present invention are as follows:

[0080] 1. First, assemble the pipe burst plugging device of the present invention into a finished product, wherein the number of universal butt-joint pipes 24 can be adjusted according to the site conditions. Assemble and connect the jacking head 10, the grouting pipe assembly 20, the inner plugging assembly 30, the outer plugging member 40 and the movable member 50;

[0081] 2. Aim the jacking head 10 at the water outlet along the water outlet with the help of water flow. At this time, the blocking ball 32 is pushed into the first water outlet channel 12 by the water flow and the second water outlet channel 21. The second water outlet channel 21, the fluid channel 11 and the first water outlet channel 12 form a diversion channel to guide the high-pressure water near the water outlet.

[0082] 3. After the pipe burst plugging device reaches the predetermined position, the rotating grouting pipe assembly 20 moves toward the jacking head 10 along the first direction. When the pushing portion 23 of the special butt joint pipe 22 contacts the pushing member 51, the special butt joint pipe 22 starts to push the pushing member 51 to move in the first direction. At this time, under the action of the pushing member 51, the movable member 52 drives the supporting member 53 to push the outer plugging member 40 into the surrounding soil, and the outer plugging member 40 is then opened, and the outer plugging member 40 hardens when it encounters water.

[0083] 4. The grouting pipe assembly 20 is connected by a special grouting device, and the grouting liquid is injected into the inner side of the water gushing port from the hollow guide channel of the grouting pipe assembly 20.

[0084] 5. After the grouting is completed, the grouting pipe assembly 20 is rotated in the opposite direction to move away from the jacking head 10 in the first direction, so that the grouting pipe assembly 20 is separated from the outer plugging member 40. At this time, the plugging ball 32 is pushed back by the grouting liquid and pressed against the plugging cap 31 to prevent the unsolidified slurry from flowing back.

[0085] 6. Pull out the grouting pipe assembly 20. To ensure the grouting effect, continue to grout and fill the pores during the process of pulling out the grouting pipe assembly 20.

[0086] According to the pipe burst plugging device of the present invention, by utilizing the conical jacking head 10, the water pressure can be used to quickly align with the water gushing outlet, facilitating the insertion of the outer plugging member 40 into the surrounding soil layer, and then the movable assembly 50 is pushed by the grouting pipe assembly 20 to apply pressure to the outer plugging member 40, pushing the outer plugging member 40 to deform and expand to produce a plugging effect. During the insertion process of the pipe burst plugging device, the first water diversion channel 12 can ensure the normal diversion function of pressurized water, reduce its own resistance, and prevent being washed away by the water flow. After the grouting is completed, the inner plugging assembly 30 can block the grouting port to prevent the unsolidified slurry from flowing back. The pipe burst plugging device of the present invention has the advantages of small size, light weight, and large plugging diameter. It can be flexibly applied to various water burst plugging, especially for high-pressure water bursting, it can achieve two-way plugging, improve the plugging effect, and save time and labor.

[0087] Of course, for those skilled in the art, other structures and working principles of the pipe burst plugging device are understandable and achievable, and will not be described in detail in the present invention.

[0088] Although some specific embodiments of the present invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A pipe burst blocking device, used to block the main body of a pipe burst, characterized in that: The pipe burst blocking device comprises: A jacking head (10), at least a portion of which is formed as a conical head, the jacking head (10) can be movably inserted into the main body so that the main body forms a fluid channel (11) extending in a first direction, and the jacking head (10) is provided with a first water diversion channel (12) communicating with the fluid channel (11); A grouting pipe assembly (20), the grouting pipe assembly (20) being detachably connected to the jacking head (10), the grouting pipe assembly (20) being provided with a second water diversion channel (21) in communication with the first water diversion channel (12), the grouting pipe assembly (20) pushing the jacking head (10) to move so as to penetrate the main body; An inner plugging component (30), the inner plugging component (30) being arranged at one end of the grouting pipe component (20) connected to the jacking head (10), the inner plugging component (30) being movable to open or close the inner circle of the fluid channel (11); An external plugging member (40), the external plugging member (40) being arranged on the outer periphery of the grouting pipe assembly (20), the external plugging member (40) being capable of being expanded to plug the outer ring of the fluid channel (11); A movable component (50), the movable component (50) is arranged between the inner blocking component (30) and the outer blocking member (40), and the movable component (50) is movable to open the outer blocking member (40).

2. The pipe burst blocking device according to claim 1, characterized in that: The grouting pipeline assembly (20) comprises: A special butt joint pipe (22), the first end of which is detachably connected to the inner plugging component (30), the first end of which is provided with the second water diversion channel (21), the outer surface of which is provided with a pushing portion (23), the pushing portion (23) cooperates with the movable component (50) to push the movable component (50) to open the outer plugging component (40).

3. The pipe burst blocking device according to claim 2, characterized in that: The inner plugging assembly (30) comprises: A blocking cap (31), the blocking cap (31) being formed into an annular structure coaxially arranged with the dedicated butt joint pipe (22), the blocking cap (31) being detachably connected to the dedicated butt joint pipe (22); A sealing ball (32), wherein the sealing ball (32) is movably arranged in the fluid channel (11) along the axial direction of the second water diversion channel (21), and the second water diversion channel (21) is closed when the sealing ball (32) abuts against the sealing cap (31), and the second water diversion channel (21) is opened when the sealing ball (32) is separated from the sealing cap (31).

4. The pipe burst blocking device according to claim 3, characterized in that: The inner wall surface of the blocking cap (31) is provided with an internal thread, one end of the special butt joint pipe (22) is provided with an external thread, and the special butt joint pipe (22) is threadedly connected to the blocking cap (31).

5. The pipe burst blocking device according to claim 2, characterized in that: The movable component (50) comprises: A pushing member (51), the pushing member (51) being movably disposed on the outer periphery of the dedicated butt joint tube (22), the pushing member (51) cooperating with the pushing portion (23) and being pushed by the pushing portion (23) to move along the first direction; A movable member (52), wherein a first end of the movable member (52) is connected to the pushing member (51); A support member (53), wherein the support member (53) is movably arranged at the second end of the movable member (52) relative to the movable member (52), the external blocking member (40) is arranged on the support member (53), the first end of the support member (53) is close to the axis of the special docking tube (22), the second end of the support member (53) is far away from the axis of the special docking tube (22), and the second end of the movable member (52) cooperates with the support member (53) to expand or retract the second end of the support member (53).

6. The pipe burst blocking device according to claim 5, characterized in that: The pushing member (51) is formed as an annular sheet body coaxially arranged with the dedicated butt joint tube (22), and the pushing portion (23) is formed as an annular sheet body extending along the circumference of the dedicated butt joint tube (22).

7. The pipe burst blocking device according to claim 6, characterized in that: The movable member (52) comprises a plurality of rods extending along the first direction, and the plurality of movable members (52) are distributed at intervals along the circumference of the pushing member (51).

8. The pipe burst blocking device according to claim 7, characterized in that: The support member (53) is formed into a truncated cone-shaped structure, and the inner wall surface of the support member (53) is provided with a plurality of sliding grooves arranged at intervals, and the movable member (52) can move in the sliding grooves to expand or retract the support member (53).

9. The pipe burst blocking device according to claim 1, characterized in that: The outer sealing member (40) is a hydraulically hardening gelling material member, and the outer sealing member (40) hardens in contact with water after being opened by the movable component (50).

10. The pipe burst blocking device according to claim 2, characterized in that: The grouting pipeline assembly (20) further comprises: A universal butt joint pipe (24) is detachably connected to the second end of the special butt joint pipe (22), and the universal butt joint pipe (24) is movable to drive the special butt joint pipe (22) to move synchronously.

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