Curve pipe jacking construction device under water-rich sand layer geological condition
By employing a combination of structures such as baffles, hydraulic cylinders, jacking plates, and support feet in water-rich sandy geological conditions, the problems of pipeline deviation and sinking during construction were solved, enabling precise pipeline advancement and stable connection, and improving construction quality and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-24
AI Technical Summary
In water-rich sandy geological conditions, existing curved pipe jacking construction equipment is difficult to advance precisely along the preset route, and the pipeline is prone to sinking or lateral deviation, affecting construction accuracy and safety.
The combination of baffles, hydraulic cylinders, push plates, clamping arms and support feet provides stable thrust and support, ensuring that the pipeline advances along the preset route and preventing deviation and sinking.
It improves the accuracy and safety of pipeline construction, reduces the risk of pipeline connection failure and ground subsidence, and enhances construction quality and reliability.
Smart Images
Figure CN224033230U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underground engineering construction technical field especially relates to a curve pipe jacking construction device under water-rich sand layer geological condition. BACKGROUND
[0002] At present, in the urban underground space development and municipal construction process, pipe jacking construction becomes the key technology of underground pipeline laying, especially under the water-rich sand layer geological condition, the water-rich sand layer has the characteristics of high water content, loose particles, poor self-stability and the like, and this geological condition brings many thorny problems to pipe jacking construction, therefore, a curve pipe jacking construction device under water-rich sand layer geological condition is used to solve these problems.
[0003] Most of the currently used curve pipe jacking construction devices, in the pipe jacking advancing process, the subsequent pipeline and the front laid pipeline are prone to position deviation, which leads to the difficulty of pipeline construction to accurately advance according to the preset route, seriously affects the pipeline construction precision and overall engineering quality, under the special geological condition of water-rich sand layer, due to the soft soil and poor bearing capacity, when the pipe jacking distance is long, the pipeline is prone to sinking or lateral deviation in the advancing process, not only leads to the misalignment of pipeline connection, leakage and the like, but also may cause ground subsidence, threatens the safety of surrounding buildings and underground pipelines. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a curve pipe jacking construction device under water-rich sand layer geological condition, which aims at improving the problems in the prior art that the subsequent pipeline and the front pipeline are prone to position deviation during curve pipe jacking construction, and the pipeline is prone to sinking or lateral deviation during long-distance pipe jacking construction, leading to pipeline connection failure.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] The utility model provides a kind of curved pipe jacking construction device under the geological condition of water-rich sand layer, including baffle one, the left side of the baffle one is fixedly connected with a plurality of evenly distributed hydraulic cylinder one, the left side of the baffle one is fixedly connected with the edge guard plate before and after, the edge guard plate bottom is fixedly connected with a plurality of evenly distributed support frame, the support frame inside is slidably connected with rolling shaft, the hydraulic cylinder one top is fixedly connected with push plate one, the push plate one outer periphery is fixedly connected with limit block, the limit block front is slidably connected with connecting block, the connecting block top is slidably connected with baffle two, the baffle two front is provided with limit slot, the baffle two left side rear is slidably connected with hydraulic cylinder two, and the hydraulic cylinder two top is fixedly connected with clamping arm;
[0007] As a further description of the above technical solution:
[0008] The push plate one left side is abutted with relay pipe, the relay pipe outer periphery is provided with a plurality of evenly distributed sliding grooves, the relay pipe inner periphery left side is fixedly connected with push plate two, the relay pipe inner periphery right side is fixedly connected with positioning plate, the positioning plate left side is fixedly connected with a plurality of evenly distributed hydraulic cylinder three, the hydraulic cylinder three left side outer periphery is fixedly connected with a plurality of evenly distributed fixed blocks, the fixed block bottom is slidably connected with rotating shaft, the rotating shaft outer periphery is fixedly connected with hinge, and the hinge bottom is fixedly connected with support leg;
[0009] As a further description of the above technical solution:
[0010] The fixed block is fixedly connected on the right side of push plate two, and the support leg is slidably connected in the sliding groove;
[0011] As a further description of the above technical solution:
[0012] The push plate two left side is abutted with pipe, and the pipe is slidably connected in the relay pipe;
[0013] As a further description of the above technical solution:
[0014] The clamping arm is abutted on the outer periphery of relay pipe, the edge guard plate is abutted on the outer periphery of relay pipe, and the rolling shaft is abutted on the outer periphery of relay pipe;
[0015] As a further description of the above technical solution:
[0016] The connecting block is slidably connected inside limit slot;
[0017] As a further description of the above technical solution:
[0018] The baffle two is fixedly connected on the before and after of support frame;
[0019] As a further description of the above technical solution:
[0020] The clamping arm is in the shape of a circular arc.
[0021] The utility model has the advantages of the following:
[0022] 1、The utility model discloses when the push pipeline is connected with the previous pipeline, through the cooperation of the baffle one, the hydraulic cylinder one and the push plate one, stable and uniform thrust is provided for the pipeline pushing, the clamping arm abuts at the outer periphery of the relay pipe, further fixes the pipeline position, prevents the lateral deviation of the pipeline in the pushing process, the rolling shaft makes the pipeline pushing more smooth, through the synergies of these structures, the accuracy of the pipeline construction according to the preset route is greatly improved, and the quality of the overall construction is improved.
[0023] 2、The utility model discloses when the pipeline construction is too long, through the cooperation of the hydraulic cylinder three, the rotating shaft, the hinge, the fixed block and the supporting leg, the supporting leg is expanded outward through the force of the hydraulic cylinder three, thereby providing a supporting force, the stability of the pipeline is enhanced, the problems of pipeline deviation and unstable connection are reduced, and the safety and reliability of the construction are improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Fig. 1 A three-dimensional schematic view of the curved pipe jacking construction device under the water-rich sand layer geological condition is provided for the utility model;
[0025] Fig. 2 A structural schematic view of the connecting block of the curved pipe jacking construction device under the water-rich sand layer geological condition is provided for the utility model;
[0026] Fig. 3 A structural schematic view of the supporting leg of the curved pipe jacking construction device under the water-rich sand layer geological condition is provided for the utility model.
[0027] LEGEND:
[0028] 1, baffle one;2, edge guard plate;3, support frame;4, rolling shaft;5, hydraulic cylinder one;6, push plate one;7, limiting block;8, connecting block;9, baffle two;10, limiting groove;11, hydraulic cylinder two;12, clamping arm;13, relay pipe;14, hydraulic cylinder three;15, push plate two;16, positioning plate;17, fixed block;18, rotating shaft;19, hinge;20, supporting leg;21, sliding slot;22, pipeline. DETAILED DESCRIPTION
[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0030] With reference to Figs. 1-3 A curved pipe jacking construction device under water-rich sand layer geological conditions, including baffle one 1, baffle one 1 as the support component of the whole device, provide installation position and support force for other components, while bearing the reaction force in the jacking process, a plurality of uniformly distributed hydraulic cylinders one 5 are fixedly connected to the left side of baffle one 1, the hydraulic cylinder one 5 mainly provides the propelling force in the propelling process, and the relay pipe 13 is pushed forward, the baffle one 1 left side front and rear two parts are fixedly connected with the edge guard plate 2, the edge guard plate 2 mainly plays the role of protection and limiting, a plurality of uniformly distributed support frames 3 are fixedly connected to the bottom of the edge guard plate 2, the support frame 3 is slidably connected with the rolling shaft 4 in the inside, the support frame 3 mainly provides the support force, enhances the stability of the device, the rolling shaft 4 can reduce the frictional force of the relay pipe 13 in the propelling process, so that the propelling is more smooth, the top of the hydraulic cylinder one 5 is fixedly connected with the jacking plate one 6, the jacking plate one 6 mainly makes the propelling force of the hydraulic cylinder one 5 uniform transmission, protects the relay pipe 13 from being damaged, the jacking plate one 6 is fixedly connected with the limiting block 7 outside the circumference, the limiting block 7 is slidably connected with the connecting block 8 in front part, the limiting block 7 mainly cooperates with the connecting block 8, so that when the device propels, the limiting block 7 part will also be propelled, the connecting block 8 mainly realizes linkage between parts, the baffle two 9 is slidably connected to the top of the connecting block 8, the baffle two 9 is fixedly connected to the support frame 3 front and rear two parts, the limiting groove 10 is formed in the front part of the baffle two 9, the connecting block 8 is slidably connected in the inside of the limiting groove 10, the limiting groove 10 is in the baffle two 9, and the connecting block 8 also stably moves in the inside of the limiting groove 10, the hydraulic cylinder two 11 is slidably connected to the left rear part of the baffle two 9, the baffle two 9 and the connecting block 8 cooperate with each other to provide a support force for the hydraulic cylinder two 11, so as to ensure the stable operation of the hydraulic cylinder two 11, the clamping arm 12 is fixedly connected to the top of the hydraulic cylinder two 11, the clamping arm 12 is in arc shape, and the clamping arm 12 mainly ensures the stability of the relay pipe 13 in the propelling process, and the arc-shaped design can better fit the surface of the relay pipe 13 and adjust the state of the relay pipe 13.
[0031] With reference to Fig. 1 And Fig. 3, the top pushing plate one 6 left side abuts with the relay pipe 13, the relay pipe 13 is in long distance pipe construction and plays the role of section jacking and transmission of jacking force, the clamping arm 12 abuts in the outer periphery of relay pipe 13, the edge guard plate 2 abuts in the outer periphery of relay pipe 13, the rolling shaft 4 abuts in the outer periphery of relay pipe 13, the outer periphery of relay pipe 13 is provided with a plurality of evenly distributed sliding grooves 21, the sliding groove 21 mainly provides a sliding track for the supporting leg 20, the left side of the inner periphery of relay pipe 13 is fixedly connected with the top pushing plate two 15, the top pushing plate two 15 left side abuts with the pipe 22, the pipe 22 is slidingly connected in the relay pipe 13, the top pushing plate two 15 is evenly transmitted to the pipe 22 to the transmitted pushing force, ensures that its stress is uniform, the right side of the inner periphery of relay pipe 13 is fixedly connected with the positioning plate 16, the positioning plate 16 left side is fixedly connected with a plurality of evenly distributed hydraulic cylinders three 14, the positioning plate 16 provides a support force for the hydraulic cylinder three 14, and also limits the position of the pipe 22 to a certain extent, the hydraulic cylinder three 14 mainly provides an auxiliary force for the front pipe 22, so that it can further advance, the left side of the outer periphery of hydraulic cylinder three 14 is fixedly connected with a plurality of evenly distributed fixed blocks 17, the fixed block 17 is fixedly connected with the right side of the top pushing plate two 15, the bottom of the fixed block 17 is slidingly connected with the rotating shaft 18, the rotating shaft 18 is fixedly connected with the hinge 19, the rotating shaft 18 and the hinge 19 are responsible for the rotation of the angle, the fixed block 17 mainly provides the fixed and mounted position for the rotating shaft 18 and the hinge 19, to ensure that the supporting leg 20 can work normally, the hinge 19 bottom is fixedly connected with the supporting leg 20, the supporting leg 20 is slidingly connected in the sliding groove 21, the supporting leg 20 can prevent the pipe 22 from sinking or deviating in the water-rich sand layer, and provide a stable supporting force.
[0032] Working principle: first, when starting the device, the baffle 1 bears the reaction force generated by the hydraulic cylinder 5 through the fixed relationship with the well wall, ensures the stability of the whole, the edge plate 2 extends along the two sides of the baffle 1, the support frame 3 and the rolling shaft 4 constitute the rotating support track, the relay pipe 13 advances along the rolling shaft 4, and the ground resistance can also be reduced, the hydraulic cylinder 5 pushes the push plate 6 forward to transfer uniform thrust, the limiting block 7 slides through the connecting block 8 and the baffle 9, the limiting groove 10 limits the movement track of the connecting block 8, so that it cannot exceed the range, so that the baffle 9 translates synchronously with the push plate 6, and also ensures that the relay pipe 13 is consistent with the preset route, the thrust of the hydraulic cylinder 11 makes the arc-shaped clamping arm 12 clamp the outer periphery of the relay pipe 13 in real time, prevents the relay pipe 13 from deviating laterally, greatly improves the accuracy of pushing during construction, and improves the overall construction quality, when the relay pipe 13 moves forward with the thrust of the push plate 6, the inner push plate 15 transmits the thrust to the pipe 22, the pipe 22 slides in the relay pipe 13, and the hydraulic cylinder 14 provides auxiliary thrust, avoids that the front resistance is too large when pushing for a long distance, the fixed block 17 generates force along the thrust of the hydraulic cylinder 14 through the rotating shaft 18 and the hinge 19 and transmits the force to the support foot 20, the support foot 20 slides outward along the sliding groove 21, so as to achieve a stable supporting effect, through the fixation of the support foot 20, the accurate curve pushing of the pipe in the water-rich sand layer is realized, and the deviation and sinking problems during construction are effectively solved.
[0033] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A curved pipe jacking construction device under water-rich sandy geological conditions, comprising a baffle (1), characterized in that: Multiple evenly distributed hydraulic cylinders (5) are fixedly connected to the left side of the baffle (1). The front and rear sides of the left side of the baffle (1) are fixedly connected to the side guard plate (2). Multiple evenly distributed support frames (3) are fixedly connected to the bottom of the side guard plate (2). A rolling shaft (4) is slidably connected inside the support frame (3). A push plate (6) is fixedly connected to the top of the hydraulic cylinder (5). A limit block (7) is fixedly connected to the outer periphery of the push plate (6). A connecting block (8) is slidably connected to the front of the limit block (7). A baffle (9) is slidably connected to the top of the connecting block (8). A limit groove (10) is opened at the front of the baffle (9). A hydraulic cylinder (11) is slidably connected to the rear left side of the baffle (9). A clamping arm (12) is fixedly connected to the top of the hydraulic cylinder (11).
2. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 1, characterized in that: The push plate 1 (6) abuts against the relay pipe (13) on the left side. The relay pipe (13) has multiple evenly distributed sliding grooves (21) on its outer periphery. The push plate 2 (15) is fixedly connected to the left side of the inner periphery of the relay pipe (13). The positioning plate (16) is fixedly connected to the right side of the inner periphery of the relay pipe (13). The positioning plate (16) has multiple evenly distributed hydraulic cylinders 3 (14) fixedly connected to the left side. The hydraulic cylinders 3 (14) have multiple evenly distributed fixing blocks (17) fixedly connected to the outer periphery of the left side. The fixing blocks (17) have a rotating shaft (18) slidably connected to the bottom. The rotating shaft (18) has a hinge (19) fixedly connected to the outer periphery. The hinge (19) has a support foot (20) fixedly connected to the bottom.
3. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 2, characterized in that: The fixing block (17) is fixedly connected to the right side of the push plate (15), and the support foot (20) is slidably connected in the groove (21).
4. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 2, characterized in that: The push plate 2 (15) abuts against the pipe (22) on the left side, and the pipe (22) is slidably connected inside the relay pipe (13).
5. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 1, characterized in that: The clamping arm (12) abuts against the outer periphery of the relay tube (13), the guard plate (2) abuts against the outer periphery of the relay tube (13), and the rolling shaft (4) abuts against the outer periphery of the relay tube (13).
6. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 1, characterized in that: The connecting block (8) is slidably connected inside the limiting groove (10).
7. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 1, characterized in that: The second baffle (9) is fixedly connected to the front and rear parts of the support frame (3).
8. The curved pipe jacking construction device under water-rich sandy geological conditions according to claim 1, characterized in that: The clamping arm (12) is arc-shaped.