A pipe jacking caisson convenient to maintain

Abstract

The utility model relates to the technical field of pipe jacking caisson work discloses a pipe jacking caisson convenient to maintain, including support pipeline subassembly, its characterized in that: the bottom periphery of support pipeline subassembly is fixed with the adjustment fixed component, and the top of support pipeline subassembly is fixed with the mounting bracket subassembly, the middle spacing of mounting bracket subassembly is fixed with the self -cleaning component, and the bottom spacing of self -cleaning component is installed in the inner wall inside support pipeline subassembly. The utility model discloses a self -cleaning component in the middle fixed mounting of device can make when using this kind of device, when needing to clean and maintain inside after using for some time, this time can realize the cleaning mode of rotating ascending and descending through the self -cleaning component of setting, so that the convenient self -cleaning work effect can be realized.

Description

Technical Field

[0001] This utility model relates to the technical field of pipe jacking caisson operation, specifically to a pipe jacking caisson that is easy to maintain. Background Technology

[0002] Pipe jacking, a trenchless or minimally excavated pipeline installation technology, uses jacking equipment to overcome the friction between the pipeline and the surrounding soil within a working pit, pushing the pipeline into the ground at the designed slope and removing the excavated soil. In this process, caissons play a crucial role as working or receiving shafts. However, existing pipe jacking caissons present several problems. Firstly, traditional pipe jacking systems often use monolithic pipe structures, making disassembly and maintenance inconvenient and resulting in poor performance. For example, when a part of the pipeline is damaged, the inability to easily separate it from the overall structure significantly increases repair difficulty, incurring substantial time and labor costs. Secondly, the caisson construction technology itself faces challenges. In urban areas with complex underground pipeline networks, limited working space, and numerous surface structures, conventional sheet pile support or SMW (Surface Mount Welded Wrap) pile support requires large construction sites, and the vibrations generated by machinery can disturb the surrounding soil and structures, generating noise, making them less than ideal choices. Conventional cast-in-place caisson construction involves a complex process of repeated repetitions, including rebar tying, formwork erection, concrete pouring and curing, and formwork removal. This results in a large construction site area, long construction period, and poor on-site environmental control. Fully prefabricated caisson construction presents significant challenges in prefabricating openings in the precast segments, requiring specialized formwork and potentially leading to poor overall structural stability. Furthermore, pipe jacking construction is highly dependent on underground geological conditions; complex or unpredictable geological conditions can cause construction delays, cost overruns, and even safety accidents. It also imposes technical limitations on pipe diameter, length, and curve radius. Construction costs are higher than traditional excavation methods, with significant expenses for equipment investment, operating costs, and professional training. The noise, vibration, and construction waste generated during construction still impact the surrounding environment. Moreover, there is a shortage of skilled professionals in the industry; training new employees is time-consuming and labor-intensive, and experienced operators are scarce and costly. Meanwhile, caisson jacking construction often takes place in densely populated urban areas with complex surrounding environments, significantly impacting construction quality. Furthermore, strict control over the verticality, planar position, and structural safety of the caisson is crucial during construction. However, the varying levels of current technology lead to frequent common problems such as settlement, cracks, and leaks, posing potential risks to later operation. Therefore, developing a caisson jacking system that is easy to maintain is of significant practical importance.

[0003] Application number CN202220814096.5 discloses a jacking shaft that is easy to maintain, including a first pipe body and a second pipe body. The second pipe body is installed on top of the first pipe body. An annular assembly groove is opened at the top of the inner wall of the first pipe body. A convex ring adapted to the assembly groove is fixed at the bottom of the second pipe body. Multiple positioning components are arranged between the first pipe body and the second pipe body. The positioning components include positioning posts fixed on the outer wall of the convex ring and positioning holes opened in the assembly groove. The positioning holes are adapted to the specifications of the positioning posts. This utility model can insert the positioning posts into the positioning holes during the assembly of the second pipe body, increasing the convenience of the assembly of the second pipe body. The convex ring at the bottom of the second pipe body can form a limiting fit with the assembly groove at the top of the first pipe body, further improving the convenience of the assembly of the second pipe body and also facilitating the subsequent disassembly maintenance work. However, there is a drawback: when the internal pipe wall needs to be cleaned and maintained during use, the above device faces certain difficulties. Utility Model Content

[0004] The purpose of this invention is to provide a pipe jacking caisson that is easy to maintain, and to solve the problem that the above-mentioned devices face certain difficulties when cleaning and maintaining the internal pipe wall during use.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a jacking shaft that is easy to maintain, including a supporting pipe assembly. An adjusting and fixing assembly is fixedly installed around the bottom periphery of the supporting pipe assembly, and an installation bracket assembly is fixedly installed on the top of the supporting pipe assembly. A self-cleaning assembly is installed in the middle of the installation bracket assembly, and the bottom of the self-cleaning assembly is installed inside the inner wall of the supporting pipe assembly.

[0007] The self-cleaning component includes a rotary motor, a limiting groove frame fixedly installed on the outer wall of the rotary motor, a transmission rod fixedly installed at the bottom of the rotary motor, a rotating disk fixedly installed at the bottom of the transmission rod, a limiting plate fixedly installed inside the periphery of the limiting groove frame, a fixed support rod fixedly installed on the periphery of the rotating disk, a limiting slider fixedly installed at the end of the fixed support rod, and a cleaning friction pad fixedly installed on the outer wall of the limiting slider.

[0008] Furthermore, the supporting pipe assembly includes a pipe, a supporting base plate is fixedly installed at the bottom of the pipe, and a threaded groove is formed on the inner wall of the pipe, with a limit groove formed inside the threaded groove.

[0009] Furthermore, the adjusting and fixing assembly includes a fixed side plate, three fixed side plates are fixedly installed on the outer perimeter of the supporting base plate, and an adjusting tooth groove is provided in the middle of the fixed side plate. The inner sides of the adjusting tooth groove are respectively limited by elastic bar limiting blocks. Two elastic bar limiting blocks are respectively fixedly installed on the outer sides of the telescopic side plate. A tension block is fixedly installed in the middle of the outer wall of the telescopic side plate.

[0010] Furthermore, the mounting bracket assembly includes a mounting ring bracket, which is fixedly installed on the top of the pipe, and a connecting bracket is fixedly installed around the inner wall of the mounting ring bracket, with a limit plate fixedly installed at the end of the connecting bracket.

[0011] Furthermore, the limiting slider is slidably installed inside the limiting groove within the threaded groove.

[0012] Furthermore, a fixing hole is provided in the middle of the telescopic side plate.

[0013] This utility model has the following beneficial effects:

[0014] (1) The present invention provides a jacking caisson that is easy to maintain. By fixing a self-cleaning component in the middle of the device, when the device is used for a period of time and when it is necessary to clean and maintain the inside, the self-cleaning component can be used to achieve a rotating, rising and falling cleaning method, thus achieving a convenient self-cleaning effect.

[0015] (2) The present invention provides a jacking shaft that is easy to maintain. By fixing an adjustment component at the bottom of the device, the device can be adjusted and fixed according to different usage scenarios when using the device, thus achieving a more extensive and flexible fixing effect.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of a pipe jacking caisson that is easy to maintain according to this utility model;

[0019] Figure 2This is a schematic diagram of the top structure of a pipe jacking caisson that is easy to maintain according to this utility model;

[0020] Figure 3 This is a schematic diagram of the bottom structure of a pipe jacking caisson that is easy to maintain according to this utility model;

[0021] Figure 4 This is a schematic diagram of a jacking shaft adjustment and fixing component structure that is easy to maintain according to the present invention;

[0022] The attached diagram lists the components represented by each number as follows:

[0023] In the diagram: 1. Supporting pipe assembly; 2. Adjusting and fixing assembly; 3. Mounting bracket assembly; 4. Self-cleaning assembly; 101. Pipe; 102. Supporting base plate; 103. Threaded groove; 104. Limiting slide groove; 201. Fixing side plate; 202. Adjusting toothed groove; 203. Spring limit block; 204. Telescopic side plate; 205. Tensioning block; 301. Mounting ring bracket; 302. Connecting bracket; 303. Limiting plate; 401. Rotary motor; 402. Transmission rod; 403. Rotary disk; 404. Limiting groove frame; 405. Fixing support rod; 406. Limiting slider; 407. Cleaning friction plate; 2041. Fixing hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4 As shown, this utility model is a jacking shaft that is easy to maintain, including a supporting pipe assembly 1, an adjusting and fixing assembly 2 fixedly installed around the bottom periphery of the supporting pipe assembly 1, and an installation bracket assembly 3 fixedly installed on the top of the supporting pipe assembly 1. A self-cleaning assembly 4 is installed in the middle of the installation bracket assembly 3, and the bottom of the self-cleaning assembly 4 is installed inside the inner wall of the supporting pipe assembly 1.

[0026] The self-cleaning component 4 includes a rotary motor 401, a limiting slot frame 404 fixedly installed on the outer wall of the rotary motor 401, a transmission rod 402 fixedly installed at the bottom of the rotary motor 401, a rotating disk 403 fixedly installed at the bottom of the transmission rod 402, a limiting plate 303 fixedly installed inside the periphery of the limiting slot frame 404, a fixed support rod 405 fixedly installed on the outer periphery of the rotating disk 403, a limiting slider 406 fixedly installed at the end of the fixed support rod 405, and a cleaning friction pad 407 fixedly installed on the outer wall of the limiting slider 406.

[0027] By fixing a self-cleaning component 4 in the middle of the device, when the device needs to be cleaned and maintained after a period of use, the self-cleaning component 4 can be used to achieve a rotating, rising and falling cleaning method, thus achieving a convenient self-cleaning effect.

[0028] The supporting pipe assembly 1 includes a pipe 101, a supporting base plate 102 is fixedly installed at the bottom of the pipe 101, and a threaded groove 103 is opened on the inner wall of the pipe 101. A limiting groove 104 is opened inside the threaded groove 103. The supporting pipe assembly 1 serves as the main structure and provides basic support for the entire caisson. The threaded groove 103 and the limiting groove 104 inside provide a track and limit for the movement of the self-cleaning component 4.

[0029] The adjusting and fixing assembly 2 includes three fixed side plates 201, which are fixedly installed on the outer perimeter of the supporting base plate 102. Each fixed side plate 201 has an adjusting groove 202 in the middle, and two elastic limit blocks 203 are correspondingly positioned inside the adjusting grooves 202 on both sides. Two elastic limit blocks 203 are fixedly installed on the outer sides of the telescopic side plate 204. A tension block 205 is fixedly installed in the middle of the outer wall of the telescopic side plate 204. The caisson is fixed by adjusting and fixing assembly 2. During operation, the tension block 205 on the telescopic side plate 204 is pulled, causing the elastic limit blocks 203 on both sides of the telescopic side plate 204 to move within the adjusting grooves 202 of the fixed side plate 201. After adjusting to a suitable position, the elastic limit blocks 203 are used to limit the movement by engaging with the adjusting grooves 202. Finally, bolts or other fasteners are used to connect the caisson to the ground or other foundation structure through the fixing hole 2041 in the middle of the telescopic side plate 204, thus completing the fixing of the caisson.

[0030] Mounting bracket assembly 3 includes mounting ring bracket 301, which is fixedly installed on the top of pipe 101. A connecting bracket 302 is fixedly installed around the inner wall of mounting ring bracket 301. A limiting plate 303 is fixedly installed at the end of connecting bracket 302. Mounting bracket assembly 3 is installed on the top of pipe 101. Mounting ring bracket 301 is fixed to the top of pipe 101. Connecting bracket 302 and limiting plate 303 provide support and limitation for the subsequent installation of self-cleaning component 4.

[0031] The limiting slider 406 is slidably installed inside the limiting groove 104 in the threaded groove 103. Under the drive of the rotary motor 401, the self-cleaning component 4 drives the cleaning friction plate 407 to clean the inner wall of the supporting pipe component 1.

[0032] A fixing hole 2041 is provided in the middle of the telescopic side plate 204.

[0033] This easy-to-maintain pipe jacking caisson achieves stable support, convenient adjustment and fixation, and automatic cleaning functions through the coordinated work of its various components. The supporting pipe assembly 1, as the main structure, provides basic support for the entire caisson. Its internal threaded groove 103 and limiting slide 104 provide a track and limit for the movement of the self-cleaning assembly 4. The adjusting and fixing assembly 2, through a telescopic structure, achieves a stable connection between the caisson and the installation environment. The mounting bracket assembly 3 provides an installation platform and limit for the self-cleaning assembly 4. Driven by the rotary motor 401, the self-cleaning assembly 4 drives the cleaning friction plate 407 to clean the inner wall of the supporting pipe assembly 1. During the workflow, the supporting pipe assembly 1 is placed in a predetermined position, with the supporting base plate 102 at the bottom of the pipe 101 contacting the ground to provide stable support. The caisson is then fixed by adjusting and fixing the assembly 2. During operation, pull the tension block 205 on the telescopic side plate 204 to move the elastic limit blocks 203 on both sides of the telescopic side plate 204 within the adjusting groove 202 of the fixed side plate 201. After adjusting to the appropriate position, the elastic limit blocks 203 and the adjusting groove 202 are used for limiting. Then, bolts or other fasteners are used to connect the caisson to the ground or other foundation structure through the fixing hole 2041 in the middle of the telescopic side plate 204 to complete the fixing of the caisson. The mounting bracket assembly 3 is then installed onto the pipe 101. At the top, the ring bracket 301 is fixed to the top of the pipe 101. The connecting bracket 302 and the limiting plate 303 provide support and limit for the subsequent installation of the self-cleaning component 4. The self-cleaning component 4 is installed on the mounting bracket assembly 3, so that the inner periphery of the limiting groove frame 404 cooperates with the limiting plate 303 to limit the position, ensuring that the position of the rotary motor 401 is fixed. At this time, the limiting slider 406 at the end of the fixed support rod 405 around the rotating disk 403 is located in the limiting groove 10 within the threaded groove 103. In step 4, ensure that the cleaning friction plate 407 maintains a suitable distance from the inner wall of the pipe 101, complete the installation and debugging, start the rotary motor 401, the rotary motor 401 drives the transmission rod 402 to rotate, which in turn causes the rotary disk 403 to rotate. The rotary disk 403 drives the limiting slider 406 to slide in the limiting groove 104 through the fixed support rod 405. Since the limiting groove 104 is opened in the threaded groove 103, during the sliding process of the limiting slider 406, the cleaning friction plate 407 will make a spiral upward or downward movement along the inner wall of the pipe 101, so as to achieve a comprehensive cleaning of the inner wall of the pipe 101. When the caisson needs to be maintained, if the adjustment of the fixing component 2 is involved, the tension block 205 can be pulled again to adjust the position of the telescopic side plate 204, which is convenient for disassembly and reinstallation. For the self-cleaning component 4, since it is limited by the limiting groove frame 404 and the limiting plate 303, the rotary motor 401 and other components can be disassembled for inspection or replacement, so as to realize the easy maintenance characteristics of the caisson.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A jacking shaft that is easy to maintain, comprising a pipe support assembly (1), characterized in that: An adjusting and fixing component (2) is fixedly installed around the bottom periphery of the supporting pipe assembly (1), and an installation bracket assembly (3) is fixedly installed on the top of the supporting pipe assembly (1). A self-cleaning component (4) is installed in the middle of the installation bracket assembly (3), and the bottom limit of the self-cleaning component (4) is installed inside the inner wall of the supporting pipe assembly (1). The self-cleaning component (4) includes a rotary motor (401), a limiting slot frame (404) is fixedly installed on the outer wall of the rotary motor (401), and a transmission rod (402) is fixedly installed at the bottom of the rotary motor (401). A rotating disk (403) is fixedly installed at the bottom of the transmission rod (402). A limiting plate (303) is fixedly installed inside the periphery of the limiting slot frame (404). A fixed support rod (405) is fixedly installed on the outer periphery of the rotating disk (403). A limiting slider (406) is fixedly installed at the end of the fixed support rod (405). A cleaning friction pad (407) is fixedly installed on the outer wall of the limiting slider (406).

2. The easily maintained pipe jacking caisson according to claim 1, characterized in that: The supporting pipe assembly (1) includes a pipe (101), a supporting base plate (102) is fixedly installed at the bottom of the pipe (101), and a threaded groove (103) is provided on the inner wall of the pipe (101), and a limiting groove (104) is provided inside the threaded groove (103).

3. The easily maintained pipe jacking caisson according to claim 1, characterized in that: The adjusting and fixing assembly (2) includes a fixing side plate (201). Three fixing side plates (201) are fixedly installed on the outer perimeter of the supporting base plate (102). An adjusting tooth groove (202) is provided in the middle of the fixing side plate (201). A spring bar limiting block (203) is provided inside the adjusting tooth groove (202) on both sides. Two spring bar limiting blocks (203) are fixedly installed on the outer walls of the telescopic side plate (204) on both sides. A tension block (205) is fixedly installed in the middle of the outer wall of the telescopic side plate (204).

4. A caisson for easy maintenance according to claim 1, characterized in that: The mounting bracket assembly (3) includes a mounting ring bracket (301), which is fixedly installed on the top of the pipe (101), and a connecting bracket (302) is fixedly installed around the inner wall of the mounting ring bracket (301), and a limit plate (303) is fixedly installed at the end of the connecting bracket (302).

5. A caisson for easy maintenance according to claim 1, characterized in that: The limiting slider (406) is slidably installed inside the limiting groove (104) in the threaded groove (103).

6. A caisson for easy maintenance according to claim 3, characterized in that: The telescopic side plate (204) has a fixing hole (2041) in the middle.

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