A fracture pipe trenchless repair operation stand

Abstract

The utility model relates to pipeline repair technical field discloses a kind of operation frame of non-excavation repair of fragmentation pipe, and the present operation frame includes the first, second fixed component and monitoring component of clamping pipeline, monitoring component includes first moving rod and second moving rod respectively fixedly connected on fixed component, and both are slidingly fitted;First moving rod outer wall is equipped with lug, and second moving rod wall is equipped with the through slot for the sliding of lug, and its outer wall is provided with the paint coating corresponding with the initial position of lug, when pipeline connection occurs relative displacement, lug position will deviate paint coating, form visible to naked eye warning.The utility model solves the problem that reinforcing device connection state is difficult to monitor, and can intuitively, quickly find connection loosening hidden danger, structure is ingenious, early warning is timely, and the operation safety after pipeline repair is improved.

Description

Technical Field

[0001] This utility model relates to the field of pipeline repair technology, and in particular to an operating frame for trenchless repair of broken pipes. Background Technology

[0002] Underground pipe networks for water supply, drainage, and gas are critical infrastructure for maintaining the normal operation of cities. During their long service life, these pipes are affected by a combination of factors such as soil subsidence, internal pressure fluctuations, and material aging, which often cause cracks or breakages in the pipe walls. In severe cases, this can affect the normal use of the pipes and even cause safety accidents.

[0003] For pipe wall fractures, existing technologies typically employ external reinforcement for repair. A common method involves installing a circumferential clamp or sleeve around the fracture, applying radial pressure with bolts or other fasteners to tightly hold the fractured pipe wall in place. This approach can quickly restore the pipe's structural strength and sealing without replacing the entire section, making it an economical and efficient emergency repair method.

[0004] However, the stability of this external reinforcement device's connection will be tested over time after installation. During operation, pipelines are continuously subjected to changes in internal fluid pressure and temperature, as well as vibrations from the surrounding environment. These dynamic loads repeatedly act on the external reinforcement device. Over time, this may lead to a decrease in the preload of the fasteners or slight relative displacements between structural components, thus gradually weakening the reinforcement effect of the clamp.

[0005] The weakening of this reinforcement effect is often difficult to detect in the initial stages. For underground pipelines, inspectors cannot frequently conduct detailed mechanical tests on every repair point. Existing inspection methods mostly rely on observing macroscopic phenomena such as surface leaks, lacking a simple and intuitive means to reflect whether the connection status of the reinforcement device itself has changed. Once this potential loosening is not detected in time, it may accumulate into a major safety hazard, leading to secondary failure of the repaired area. To address this issue, a trenchless repair scaffold for fractured pipes is proposed. Utility Model Content

[0006] In view of the problem that existing external reinforcement devices used for pipeline repair lack a simple and intuitive connection status monitoring structure, making it difficult to quickly determine whether loosening or displacement has occurred and posing safety hazards, this utility model aims to provide a fractured pipe repair operation frame with an improved structure that can effectively solve the above problems.

[0007] This utility model provides a working frame for trenchless repair of fractured pipes, including: a first fixing component for clamping a first pipe, a second fixing component for clamping a second pipe, and fasteners; the working frame also includes a monitoring component.

[0008] The monitoring component includes a first movable rod and a second movable rod. A protrusion is fixedly connected to the outer wall of the first movable rod, and a through groove is opened on the outer wall of the second movable rod. A paint coating is provided on its outer wall to mark the initial position of the protrusion.

[0009] Furthermore, the first upper fixing plate of the first fixing component is fixedly connected to the first moving rod of the monitoring component, and the second upper fixing plate of the second fixing component is fixedly connected to the second moving rod of the monitoring component. The first moving rod slides through the second moving rod, and the protrusion on the first moving rod is accommodated in the through groove of the second moving rod. The first fixing component and the second fixing component are clamped and fixed to the pipe by the fasteners, forming an integral structure that can monitor relative displacement.

[0010] Preferably, the second upper fixing plate of the second fixing component is arranged side by side with the first upper fixing plate of the first fixing component, and the two are connected by bolts.

[0011] Preferably, the fasteners are bolts and nuts, and the first upper fixing plate and the first lower fixing plate are fixedly connected by bolts and nuts, and the second upper fixing plate and the second lower fixing plate are also fixedly connected by bolts and nuts.

[0012] Preferably, in the monitoring component, the upper surface of the protrusion is flush with the outer surface of the second moving rod where the paint coating is applied.

[0013] Preferably, the width of the paint coating matches the width of the protrusion along the length of the through groove.

[0014] Preferably, the through groove is formed on the upper side wall of the second movable rod.

[0015] Preferably, the fractured pipe repair operation frame further includes a base and an electric push rod, the electric push rod being connected between the base and the first lower fixing plate of the first fixing component for assisting installation.

[0016] This utility model has the following beneficial effects: 1. In this utility model, by setting a first movable rod and a second movable rod that can slide relative to each other, and setting a protrusion on the first movable rod and a through groove and paint coating on the second movable rod to cooperate with it, the problem of lack of intuitive and low-cost monitoring means for the connection status after pipeline repair in the prior art is solved. It achieves the technical effect of being able to quickly determine whether the pipeline connection has become loose or displaced by observing the relative position of the protrusion and the paint coating with the naked eye, realizing effective early warning and improving the safety of later maintenance.

[0017] 2. In this utility model, by setting a first fixing component and a second fixing component, and using bolts and nuts to insert and lock each fixing plate, the problem of weak overall connection stability of traditional external clamps for pipes and sleeves is solved. This achieves the technical effect of firmly integrating the broken pipe with the externally sleeved pipe into one body, providing reliable external support, effectively preventing crack expansion, and ensuring a stable and reliable structure.

[0018] 3. In this utility model, by adding an electric push rod and connecting it between the base and the first lower fixed plate, the problem of traditional clamps requiring a lot of manpower for lifting and pre-tightening during installation, which is inconvenient and inefficient, is solved. The electric push rod can automatically lift the lower fixed plate to the predetermined position, saving time and effort, simplifying the installation steps, and improving the efficiency of repair work. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of an operating frame for trenchless repair of fractured pipes proposed in this utility model; Figure 2 This is a schematic diagram of the second pipe of the operating frame for trenchless repair of fractured pipes proposed in this utility model; Figure 3 This is a schematic diagram of the structure of the first lower fixing plate of the operating frame for trenchless repair of fractured pipes proposed in this utility model; Figure 4 This is a schematic diagram of the structure of the first upper fixing plate of the operating frame for trenchless repair of fractured pipes proposed in this utility model; Figure 5 This is a schematic diagram of the structure of the second moving rod of the operating frame for trenchless repair of fractured pipes proposed in this utility model; Figure 6 for Figure 1 Enlarged view of point A in the middle.

[0020] Legend: 1. First pipe; 2. Second pipe; 3. First moving rod; 4. Second moving rod; 5. Paint coating; 6. Protrusion; 7. Electric push rod; 8. Through groove; 9. First upper fixing plate; 10. First lower fixing plate; 11. Second upper fixing plate; 12. Second lower fixing plate; 13. Bolt; 14. Nut. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0022] Example: Please refer to Figures 1 to 5 This utility model provides an operating frame for trenchless repair of broken pipes, which aims to solve the problem that in the prior art, after external reinforcement of broken pipes, there is a lack of a structure that can intuitively monitor whether displacement has occurred at the connection point, which poses a safety hazard.

[0023] like Figure 1 As shown, the fractured pipe repair operating frame is used for external reinforcement and connection status monitoring of the first pipe 1. The two ends of the first pipe 1 are respectively fitted with second pipes 2. The operating frame includes a first fixing component for clamping the first pipe 1 and a second fixing component for clamping the second pipe 2. The first fixing component includes a first upper fixing plate 9 and a first lower fixing plate 10 that cooperate with each other. The second fixing component includes a second upper fixing plate 11 and a second lower fixing plate 12 that cooperate with each other. The first upper fixing plate 9 and the second upper fixing plate 11 are arranged side by side. The operating frame also includes a core monitoring component that can visually reflect the relative displacement change between the first pipe 1 and the second pipe 2. The monitoring component includes a first moving rod 3 and a second moving rod 4. The first moving rod 3 is fixedly connected to the side of the first upper fixing plate 9 away from the first pipe 1, and the second moving rod 4 is fixedly connected to the side of the second upper fixing plate 11 away from the second pipe 2. The first moving rod 3 slides through the interior of the second moving rod 4, allowing the first moving rod 3 to move axially relative to the second moving rod 4, thus achieving visual monitoring of the displacement.

[0024] Reference Figure 3 and Figure 4The upper side wall of the second moving rod 4 is provided with a through groove 8 extending along its length, while a protrusion 6 is fixedly connected to the outer wall of the first moving rod 3. The shape of the protrusion 6 is adapted to the shape of the through groove 8, and the protrusion 6 is accommodated in the through groove 8. When the first moving rod 3 is displaced relative to the second moving rod 4, the protrusion 6 will move along the length of the through groove 8. In order to provide a clear initial position reference, a layer of paint coating 5 is provided on the outer wall of the second moving rod 4, especially on one side of the through groove 8. The paint coating 5 is used to mark the initial position of the protrusion 6 after installation and fixing.

[0025] To achieve a secure fixation of the first pipe 1 and the second pipe 2, the operating frame in this embodiment utilizes the precise fit and connection between the first fixing component and the second fixing component. Please refer to the following for details. Figure 1 and Figure 2 The following is a detailed description of this fixing structure: The first fixing component clamps the first pipe 1 by the upper fixing plate 9 and the lower fixing plate 10 being aligned vertically. The second fixing component clamps the second pipe 2 by the upper fixing plate 11 and the lower fixing plate 12 being aligned vertically. To firmly integrate the components, the operating frame uses bolts 13 and nuts 14 as fasteners. Specifically, the bolts 13 pass through the upper fixing plate 11 and the upper fixing plate 9 in sequence and are threadedly connected to the nuts 14 fixed below the lower fixing plate 10. At the same time, another set of bolts 13 passes through the upper fixing plate 11 and is threadedly connected to the nuts 14 fixed below the lower fixing plate 12. By tightening these bolts 13 and nuts 14, a strong clamping force can be generated to ensure that the first fixing component and the second fixing component firmly lock the corresponding pipes. This connection method not only achieves the fixation of the respective pipes, but also tightly fixes the upper fixing plate 9 and the upper fixing plate 11 together by sharing the bolts 13, forming a stable and reliable overall frame structure, which provides a solid foundation for subsequent displacement monitoring. In addition, to facilitate installation and application of pre-tightening force, the operating frame also includes a base and an electric push rod 7 mounted on the base. The output end of the electric push rod 7 is movably connected to the bottom surface of the first lower fixed plate 10. During installation, activating the electric push rod 7 can drive the first lower fixed plate 10 to move upward, so that it actively fits against the first pipe 1, thereby simplifying the subsequent tightening operation of the bolts 13 and nuts 14.

[0026] Based on the above embodiments, the present invention may further include the following preferred technical solutions: As a preferred implementation method, to make displacement monitoring more intuitive and accurate, please refer to... Figure 3 and Figure 4The upper surface of the protrusion 6 is flush with the outer surface of the second moving rod 4 where the paint coating 5 is provided. This flush design ensures that the paint coating 5 can seamlessly connect with the upper surface of the protrusion 6 during initial alignment, forming a complete visual plane. Once a slight displacement occurs, the discontinuity of this plane will be very obvious, making it easy for observers to quickly identify. As another preferred embodiment, in order to further enhance the recognizability of the monitoring mark, the width of the paint coating 5 is designed to match the width of the bump 6 along the length direction of the through groove 8. This means that in the initial state, the boundary of the paint coating 5 and the boundary of the bump 6 are completely coincident. Any axial relative sliding will cause the boundary of the bump 6 to exceed or retract into the boundary of the paint coating 5, thereby providing a clear displacement indication. As another preferred embodiment, in order to facilitate observation from above, the through groove 8 is preferably opened on the upper side wall of the second moving rod 4, so that the operator can easily check the alignment of the protrusion 6 and the paint coating 5 without adjusting the viewing angle.

[0027] The working principle of this utility model's fractured pipe repair operating frame is as follows: When it is necessary to repair and fix the broken first pipe 1, firstly, the second pipe 2 is placed outside the cracked areas at both ends of the first pipe 1. Then, the operating frame is placed in the position to be repaired, and the electric push rod 7 is activated. The electric push rod 7 pushes the first lower fixing plate 10 and the second lower fixing plates 12 on both sides upward until they are tightly attached to the lower surfaces of the first pipe 1 and the second pipe 2. Subsequently, the first upper fixing plate 9 and the second upper fixing plate 11 are placed on the upper part of the pipe, and the upper and lower fixing plates are firmly locked with bolts 13 and nuts 14 to complete the overall clamping and fixing of the pipe. After the fixing is completed, the protrusion 6 on the first moving rod 3 is located in the through groove 8 of the second moving rod 4. At this time, paint coating 5 is applied along the edge of the protrusion 6 on the surface of the second moving rod 4 to establish a monitoring benchmark.

[0028] During subsequent use, if the connection between the first pipe 1 and the second pipe 2 becomes loose or experiences relative axial displacement due to vibration or external forces, the first moving rod 3 fixed to the first upper fixing plate 9 will move with the first pipe 1, while the second moving rod 4 fixed to the second upper fixing plate 11 will move with the second pipe 2. This results in relative sliding between the first moving rod 3 and the second moving rod 4. Since the protrusion 6 is fixed to the first moving rod 3 and the paint coating 5 is fixed to the second moving rod 4, this relative sliding will be visually manifested as the position of the protrusion 6 deviating from the initial marked area of ​​the paint coating 5. By visually observing whether the protrusion 6 and the paint coating 5 are misaligned, the inspection personnel can quickly and accurately determine the stability of the pipe connection, promptly identify potential safety hazards, and carry out maintenance.

[0029] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A working frame for trenchless repair of fractured pipes, used to fix a first pipe (1) fitted with a second pipe (2), comprising: A first fixing assembly for clamping the first pipe (1) includes a first upper fixing plate (9) and a first lower fixing plate (10) that cooperate with each other. A second fixing assembly for clamping the second pipe (2), the second fixing assembly includes a second upper fixing plate (11) and a second lower fixing plate (12) that cooperate with each other. And fasteners for clamping and fixing the first upper fixing plate (9) and the first lower fixing plate (10), the second upper fixing plate (11) and the second lower fixing plate (12) respectively; Its features are, The operating frame also includes a monitoring component, which includes a first moving rod (3) and a second moving rod (4). The first moving rod (3) is fixedly connected to the first upper fixed plate (9), the second moving rod (4) is fixedly connected to the second upper fixed plate (11), and the first moving rod (3) slides through the second moving rod (4); The second moving rod (4) has a through groove (8) on its outer wall, and the first moving rod (3) has a protrusion (6) fixedly connected to its outer wall. The protrusion (6) is accommodated in the through groove (8) and can move along the length of the through groove (8). The outer wall of the second moving rod (4) is also provided with a paint coating (5) for marking the initial position of the protrusion (6).

2. The operating frame for trenchless repair of fractured pipes according to claim 1, characterized in that, The second upper fixing plate (11) is arranged side by side with the first upper fixing plate (9), and the second upper fixing plate (11) and the first upper fixing plate (9) are connected by bolts (13).

3. The operating frame for trenchless repair of fractured pipes according to claim 1, characterized in that, The fasteners are bolts (13) and nuts (14). The first upper fixing plate (9) and the first lower fixing plate (10) are fixedly connected by the bolts (13) and nuts (14); The second upper fixing plate (11) and the second lower fixing plate (12) are fixedly connected by the bolts (13) and nuts (14).

4. The operating frame for trenchless repair of fractured pipes according to claim 1, characterized in that, The upper surface of the protrusion (6) is flush with the outer surface of the second moving rod (4) on which the paint coating (5) is applied.

5. The operating frame for trenchless repair of fractured pipes according to claim 1 or 4, characterized in that, The width of the paint coating (5) matches the width of the protrusion (6) along the length of the through groove (8).

6. The operating frame for trenchless repair of fractured pipes according to claim 1, characterized in that, The through groove (8) is formed on the upper side wall of the second moving rod (4).

7. The operating frame for trenchless repair of fractured pipes according to claim 1, characterized in that, The operating frame also includes a base and an electric push rod (7).

8. The operating frame for trenchless repair of fractured pipes according to claim 7, characterized in that, The electric push rod (7) is connected between the base and the first lower fixing plate (10).

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