Hydraulic jack driving type pipeline deformation resetting expander

By setting up extension mechanisms on both sides of the hydraulic jack, the problem that traditional reset expanders cannot apply force uniformly is solved, and uniform and stable expansion force to the pipeline is achieved, improving the accuracy and success rate of reset.

CN222754118UActive Publication Date: 2025-04-15JIUJIANG HAOZHI MUNICIPAL ENG CO LTD
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Patent Information

Application Number
CN202421477946.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-15
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

Traditional reset dilators cannot apply force evenly during the expansion process, resulting in excessive local pressure and further damage or breakage of the pipeline.

Method used

A hydraulic jack-driven pipeline deformation reset expander is designed. By setting up a stretching mechanism on both sides of the hydraulic jack, using the coordination of the adjustment plate, the stabilizing plate and the moving frame, and the setting of the limiting column, uniform force is achieved in multi-directional force.

Benefits of technology

A uniform and stable expansion force to the pipeline is achieved, the accuracy and success rate of reset are improved, and the secondary damage to the pipeline is avoided due to uneven force.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of reset expanders, and discloses a hydraulic jack driving type pipeline deformation reset expander which comprises a hydraulic jack, stretching mechanisms are installed on the two sides of the hydraulic jack respectively, the bottom face of the hydraulic jack is fixedly connected with a bottom plate, the top face of the hydraulic jack is fixedly connected with a top plate, and the top plate is fixedly connected with the hydraulic jack. Stretching mechanisms are arranged on the two sides of the hydraulic jack, uniform and stable expansion force can be applied to the pipeline from multiple directions, so that the pipeline is more effectively reset, the reset precision and success rate are improved, the expansion action is stable and controllable through cooperation of an adjusting plate, a stabilizing plate and a moving frame and arrangement of a limiting column, and the expansion efficiency is improved. Secondary damage to the pipeline caused by unbalanced force is avoided, a stable supporting foundation is provided for the device through the arrangement of the first stretching plate and the second stretching plate, the stability of the device in the reset process is ensured, and therefore expansion force is better transmitted to the pipeline.
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Description

Technical Field

[0001] The utility model belongs to the technical field of reset expanders, in particular to a hydraulic jack driven pipeline deformation reset expander. Background Art

[0002] The resetting expander is usually composed of a hydraulic cylinder, a piston rod, a top support block and a clamp body. The top support block is used to support the inner wall of the pipe, and the clamp body is used to clamp the outer wall of the pipe. Through the action of the hydraulic cylinder and the piston rod, the top support block and the clamp body expand outward, thereby achieving the resetting and expansion of the pipe. Since we often encounter situations such as pipeline deformation and collapse during the pipeline repair process, excavation will affect traffic and increase costs, etc., so we have studied and applied it to the pipeline deformation expander through practice.

[0003] During the construction process, many pipelines are deformed or collapsed. Due to the complex deformation of the pipelines, traditional repositioning expanders may not be able to apply force evenly during the expansion process, resulting in excessive local force and further damage or rupture of the pipeline. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a hydraulic jack driven pipeline deformation reset expander, which solves the problem that the reset expander may not be able to apply force evenly during the expansion process, resulting in excessive local force.

[0005] To achieve the above object, the utility model provides the following technical solutions: a hydraulic jack driven pipeline deformation reset expander, comprising a hydraulic jack, both sides of the hydraulic jack are equipped with extension mechanisms, the bottom surface of the hydraulic jack is fixedly connected to a bottom plate, and the top surface of the hydraulic jack is fixedly connected to a top plate;

[0006] There are two groups of the extending mechanisms, both of which include an adjusting plate, a stabilizing plate and a moving frame. There are two of the adjusting plate, the stabilizing plate, the moving frame and the moving frame. Limiting holes are provided on the surfaces of the two adjusting plates and the stabilizing plate. Limiting columns are inserted into the limiting holes. The limiting columns are slidably connected to the moving frame. There are two limiting holes on the surfaces of the two adjusting plates and the stabilizing plate.

[0007] Preferably, the bottom surfaces of one end of the two stabilizing plates are fixedly connected to fixing plates, the bottom surface of the bottom plate is fixedly connected to the first extension plate, and the bottom surfaces of the two stabilizing plates and the bottom surface of the fixing plates are fixedly connected to the top surface of the first extension plate.

[0008] Preferably, the top surface of the top plate is fixedly connected to a second extension plate, the bottom surface of the second extension plate is fixedly connected to the top surfaces of the two adjustment plates, and the insides of the two movable frames are provided with sliding grooves adapted to the limiting columns.

[0009] Preferably, a stabilizing plate is fixedly connected to one side of the top of the bottom plate, and a supporting plate is fixedly connected to one side of the stabilizing plate.

[0010] Preferably, a reinforcement plate and an inclined plate are slidably connected to both sides of the support plate, respectively, the top surface of the reinforcement plate is connected to the bottom surface of the second extension plate, and the reinforcement plate is located in the middle of the two adjustment plates.

[0011] Preferably, one end of the first extension plate and the second extension plate are respectively fixedly connected to the first support plate and the second support plate, the first support plate is connected to the first extension plate, the bottom surface of the second support plate is connected to the bottom surface of the inclined plate, the second support plate is connected to the second extension plate, and the surface of the second support plate is provided with two through holes adapted to the inclined plate.

[0012] Preferably, the other ends of the first extension plate and the second extension plate are both fixedly connected to an adjustment plate, and the adjustment plate is arc-shaped.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model provides an extension mechanism on both sides of the hydraulic jack in the device, which can apply a uniform and stable expansion force to the pipeline from multiple directions, so as to more effectively realize the resetting of the pipeline and improve the accuracy and success rate of the resetting. The coordination of the adjustment plate, the stabilizing plate and the movable frame, as well as the setting of the limit column, make the expansion action smooth and controllable, and avoid the secondary damage of the pipeline caused by the imbalance of force. The setting of the first extension plate and the second extension plate provides a stable support basis for the device, ensures the stability of the device itself during the resetting process, so as to better transmit the expansion force to the pipeline. In the construction process, when many pipelines are deformed or collapsed, the pipeline is expanded by using the pipeline expander and the deformation lock, and then the pipeline is repaired with fiber cloth and resin glue, which reduces the risks of pipeline excavation and is conducive to ensuring traffic safety and avoiding other risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall support structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the extension mechanism of the utility model;

[0018] Figure 4 It is a schematic diagram of the overall split structure of the utility model.

[0019] In the figure: 1. hydraulic jack; 2. extension mechanism; 21. adjustment plate; 22. stabilizing plate; 221. fixing plate; 23. moving frame; 24. limiting column; 3. bottom plate; 31. first extension plate; 311. first support plate; 32. stabilizing plate; 33. support plate; 331. reinforcement plate; 332. inclined plate; 4. top plate; 41. second extension plate; 411. second support plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4 As shown, the utility model provides a hydraulic jack driven pipeline deformation reset expander, comprising a hydraulic jack 1, both sides of the hydraulic jack 1 are equipped with extension mechanisms 2, the bottom surface of the hydraulic jack 1 is fixedly connected to a bottom plate 3, and the top surface of the hydraulic jack 1 is fixedly connected to a top plate 4;

[0022] There are two groups of extension mechanisms 2, and both groups of extension mechanisms 2 include an adjustment plate 21, a stabilizing plate 22 and a moving frame 23. There are two adjustment plates 21, two stabilizing plates 22, two moving frames 23 and two moving frames 23. Limiting holes are provided on the surfaces of the two adjustment plates 21 and the stabilizing plate 22. Limiting columns 24 are inserted into the limiting holes. The limiting columns 24 are slidably connected to the moving frame 23. There are two limiting holes on the surfaces of the two adjustment plates 21 and the stabilizing plate 22.

[0023] The above scheme is adopted: the number of extension mechanisms 2 is specially set to two groups, and the two groups of extension mechanisms 2 are composed of an adjusting plate 21, a stabilizing plate 22 and a moving frame 23, wherein the number of the adjusting plate 21, the stabilizing plate 22 and the moving frame 23 are accurately set to two, and limiting holes are carefully opened on the surfaces of the two adjusting plates 21 and the stabilizing plate 22, and the limiting columns 24 are accurately inserted into the inside of these limiting holes, and the limiting columns 24 and the moving frame 23 can be smoothly slidably connected, and the limiting holes opened on the surfaces of the two adjusting plates 21 and the stabilizing plate 22 are carefully set to two, so that the connection between the components is more stable and the movement is more coordinated, thereby effectively improving the effect and accuracy of the pipe deformation reset expansion, and the extension mechanism 2 is set on both sides of the hydraulic jack 1, which can It is possible to apply a uniform and stable expansion force to the pipeline from multiple directions, thereby more effectively resetting the pipeline and improving the accuracy and success rate of resetting. The coordination of the adjustment plate 21, the stabilizing plate 22 and the moving frame 23, as well as the setting of the limit column 24, make the expansion action smooth and controllable, avoiding secondary damage to the pipeline caused by unbalanced force. The setting of the first expansion plate 31 and the second expansion plate 41 provides a stable support foundation for the device, ensuring the stability of the device itself during the resetting process, thereby better transmitting the expansion force to the pipeline. In the construction process, many pipelines are deformed, collapsed, etc., and after expansion using a pipeline expander and a deformation lock, the pipeline is repaired with fiber cloth and resin glue, which reduces the risks of pipeline excavation and is conducive to ensuring traffic safety and avoiding other risks.

[0024] like Figures 1 to 4 As shown, the bottom surfaces of one end of the two stabilizing plates 22 are fixedly connected with a fixing plate 221, the bottom surface of the bottom plate 3 is fixedly connected with a first extension plate 31, the bottom surfaces of the two stabilizing plates 22 and the bottom surface of the fixing plate 221 are fixedly connected with the top surface of the first extension plate 31, the top surface of the top plate 4 is fixedly connected with a second extension plate 41, the bottom surface of the second extension plate 41 is fixedly connected with the top surfaces of the two adjustment plates 21, the interiors of the two movable frames 23 are provided with sliding grooves adapted to the limiting columns 24, one side of the top of the bottom plate 3 is fixedly connected with a stabilizing plate 32, and one side of the stabilizing plate 32 is fixedly connected with a support plate 33.

[0025] The above scheme is adopted: the top surface of the top plate 4 is fixedly connected with the second extension plate 41, and the bottom surface of the second extension plate 41 is fixedly connected with the top surfaces of the two adjustment plates 21. Such a structure enables the adjustment plate 21 to be tightly combined with the top plate 4, and the force from the top plate 4 is evenly transmitted to the adjustment plate 21 through the second extension plate 41, thereby realizing effective conduction and distribution of force, and ensuring that the upper structure of the device can work together and play its role accurately when the pipeline is reset and expanded.

[0026] like Figures 1 to 4As shown, the two sides of the support plate 33 are slidably connected with a reinforcing plate 331 and an inclined plate 332 respectively, the top surface of the reinforcing plate 331 is connected to the bottom surface of the second extension plate 41, the reinforcing plate 331 is located in the middle of the two adjustment plates 21, one end of the first extension plate 31 and the second extension plate 41 are fixedly connected with the first support plate 311 and the second support plate 411 respectively, the first support plate 311 is connected to the first extension plate 31, the bottom surface of the second support plate 411 is connected to the bottom surface of the inclined plate 332, the second support plate 411 is connected to the second extension plate 41, the surface of the second support plate 411 is provided with two through holes adapted to the inclined plate 332, the other ends of the first extension plate 31 and the second extension plate 41 are fixedly connected with an adjustment plate, and the adjustment plate is arc-shaped.

[0027] The above scheme is adopted: the other ends of the first extension plate 31 and the second extension plate 41 are fixedly connected with an adjustment plate, and the adjustment plate is arc-shaped. The arc-shaped adjustment plate can better fit the inner wall shape of the pipeline, increase the contact area with the pipeline, thereby applying the expansion force more evenly, reducing local damage to the inner wall of the pipeline, and improving the effect and quality of pipeline resetting and expansion.

[0028] The working principle and use process of the utility model are as follows: the hydraulic jack 1 is installed between the bottom plate 3 and the top plate 4, the two adjustment plates 21 and the stabilizing plate 22 are connected to the moving frame 23 through the limiting column 24, the limiting column 24 slides in the sliding groove of the moving frame 23, the bottom surface of one end of the stabilizing plate 22 is fixedly connected to the first extension plate 31 through the fixing plate 221, the second extension plate 41 on the top plate 4 is fixedly connected to the top surface of the adjustment plate 21, the supporting plate 33 connected to one side of the stabilizing plate 32 on the top of the bottom plate 3, and the two sides thereof are respectively slidably connected to the reinforcing plate 331 and the inclined plate 332 Then, the top surface of the reinforcing plate 331 is connected to the second extension plate 41, and the bottom surface of the inclined plate 332 is connected to the first support plate 311. The hydraulic jack 1 can drive the adjusting plate 21 to lift the second extension plate 41. The hydraulic jack 1 is used to push the pipe expander to become round through force conversion, which can maximize the force to reach the peak. When the hydraulic jack 1 cannot reach the maximum force through force conversion, the upper and lower semicircles of the pipe are used and it is convenient to slide back and forth. The upper and lower semicircles are directly pushed out of the circle by the jack, and the requirement of pushing the pipe out of the circle is achieved.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic jack driven pipe deformation resetting expander, comprising a hydraulic jack (1), characterized in that: Extension mechanisms (2) are installed on both sides of the hydraulic jack (1); the bottom surface of the hydraulic jack (1) is fixedly connected to a bottom plate (3); and the top surface of the hydraulic jack (1) is fixedly connected to a top plate (4); The stretching mechanism (2) is provided in two groups, and the two groups of the stretching mechanism (2) both comprise an adjustment plate (21), a stabilizing plate (22) and a moving frame (23). The adjustment plate (21), the stabilizing plate (22), the moving frame (23) and the moving frame (23) are each provided in two groups. Limiting holes are provided on the surfaces of the two adjustment plates (21) and the stabilizing plate (22). Limiting columns (24) are inserted into the insides of the limiting holes. The limiting columns (24) are slidably connected to the moving frame (23). The limiting holes provided on the surfaces of the two adjustment plates (21) and the stabilizing plate (22) are each provided in two groups.

2. The hydraulic jack driven pipeline deformation resetting expander according to claim 1, characterized in that: The bottom surfaces of one end of the two stabilizing plates (22) are fixedly connected to a fixing plate (221), the bottom surface of the bottom plate (3) is fixedly connected to a first extension plate (31), and the bottom surfaces of the two stabilizing plates (22) and the bottom surface of the fixing plate (221) are fixedly connected to the top surface of the first extension plate (31).

3. The hydraulic jack driven pipeline deformation resetting expander according to claim 2, characterized in that: The top surface of the top plate (4) is fixedly connected to a second extension plate (41), the bottom surface of the second extension plate (41) is fixedly connected to the top surfaces of the two adjustment plates (21), and the insides of the two movable frames (23) are provided with sliding grooves adapted to the limiting columns (24).

4. The hydraulic jack driven pipeline deformation resetting expander according to claim 1, characterized in that: A stabilizing plate (32) is fixedly connected to one side of the top of the bottom plate (3), and a supporting plate (33) is fixedly connected to one side of the stabilizing plate (32).

5. The hydraulic jack driven pipeline deformation resetting expander according to claim 4, characterized in that: A reinforcing plate (331) and an inclined plate (332) are slidably connected to both sides of the support plate (33), the top surface of the reinforcing plate (331) is connected to the bottom surface of the second extension plate (41), and the reinforcing plate (331) is located between the two adjustment plates (21).

6. The hydraulic jack driven pipeline deformation restoring expander according to claim 3, characterized in that: One end of the first extension plate (31) and the second extension plate (41) are respectively fixedly connected to a first support plate (311) and a second support plate (411); the first support plate (311) is connected to the first extension plate (31); the bottom surface of the second support plate (411) is connected to the bottom surface of the inclined plate (332); the second support plate (411) is connected to the second extension plate (41); and the surface of the second support plate (411) is provided with two through holes adapted to the inclined plate (332).

7. The hydraulic jack driven pipeline deformation resetting expander according to claim 3, characterized in that: The other ends of the first extension plate (31) and the second extension plate (41) are both fixedly connected to an adjustment plate, and the adjustment plate is arc-shaped.