Non-excavation pipe jacking structure

By using the matching design of the upper and lower connecting rings and the locking nut to fix the jacking pipe, the problem of difficult connection caused by the small reserved gap between the jacking pipes is solved, and efficient and stable jacking pipe connection is achieved.

CN223690512UActive Publication Date: 2025-12-19BEIJING NO 4 MUNICIPAL CONSTR ENG
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Patent Information

Application Number
CN202520523896.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2025-12-19
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

When the reserved length between the jacking pipes is narrow, it is not convenient to place the connecting ring, which affects the connection between the jacking pipes.

Method used

The design employs an upper connecting ring and a lower connecting ring, and uses a locking nut to fix the first and second fixing platforms through the cooperation of the baffle and the fixing groove, avoiding manual fixing of the threaded column and improving connection efficiency.

Benefits of technology

This achieved a stable connection between the pipes, reducing the difficulty of connection and improving work efficiency and the tightness of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a trenchless pipe jacking structure which comprises an upper connecting ring, a lower connecting ring is connected to the lower end of the upper connecting ring in a clamped mode, jacking pipes are connected to the front side and the rear side of the upper connecting ring and the front side and the rear side of the lower connecting ring in a sleeved mode respectively, and first rubber pads are bonded to the lower end of the interior of the upper connecting ring and the upper end of the interior of the lower connecting ring respectively. First fixing tables are fixedly mounted at the lower ends of the left and right sides of the upper connecting ring, second fixing tables are fixedly mounted at the upper ends of the left and right sides of the lower connecting ring, through grooves are formed in the upper ends of the second fixing tables, and mounting grooves are formed in the left and right sides of the upper end of the lower connecting ring. According to the trenchless pipe jacking structure, through cooperation of the upper connecting ring and the lower connecting ring, connection between the jacking pipes is facilitated, the situation that due to the fact that a reserved gap between the jacking pipes is small, the connection difficulty between the jacking pipes is large is avoided, meanwhile, through cooperation of the blocking pieces and the fixing grooves, the threaded columns do not need to be fixed manually, and the construction efficiency is improved. And the first fixing table and the second fixing table can be fixed by screwing the locking nut, so that the working efficiency is relatively high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe jacking construction technical field especially relates to a non -excavation pipe jacking structure. BACKGROUND

[0002] Pipe jacking construction is a non -excavation construction method, and it is a pipe burying construction technology without or with less excavation, and the pipe jacking construction is to overcome the friction between the pipe and the surrounding soil by the jacking force generated by the jacking equipment in the working pit, and the pipe is jacked into the soil according to the designed slope, and the earthwork is removed.

[0003] The patent document with the application number CN202323392518.8 discloses a non-excavation pipe jacking structure, relates to the pipe jacking construction technical field, improves the problem that the operation of the connecting pipe body is more troublesome in the related art, and comprises two pipe bodies and a connecting ring for connecting the two pipe bodies, both ends of the connecting ring are provided with connecting grooves, one end of the two pipe bodies is respectively inserted into the two connecting grooves, four annularly distributed housings are pre-set on the inner surface of the connecting ring, a threaded hole is formed in the connecting ring, the threaded hole is in threaded connection with the connecting rod, and the connecting rod is in threaded connection with the connecting rod.

[0004] Compared with the non-excavation pipe jacking structure of the above document, the connecting ring needs to be placed between the two pipes during use, and then the pipes are slid into the connecting ring to realize the connection between the pipes, when the length reserved between the pipes is narrow, the placement of the connecting ring is not convenient, thereby affecting the connection between the pipes. Utility model content

[0005] The utility model discloses a non-excavation pipe jacking structure, which aims at solving the technical problem that when the length reserved between the pipes is narrow, the placement of the connecting ring is not convenient, thereby affecting the connection between the pipes.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of trenchless pipe structure, including upper connecting ring, the lower end of the upper connecting ring is clamped with lower connecting ring, the upper connecting ring and lower connecting ring front and back side are all sleeved with pipe, the inside lower end of the upper connecting ring and the inside upper end of lower connecting ring are all bonded with first rubber pad, the lower end of the left and right side of the upper connecting ring is all fixedly installed with first fixed platform, the upper end of the left and right side of the lower connecting ring is all fixedly installed with second fixed platform, the upper end of the second fixed platform is provided with through slot, the left and right side of the upper end of the lower connecting ring is provided with installation groove, the lower end of the left and right side of the upper connecting ring is fixedly installed with mounting block, the upper end of the first fixed platform is fixedly installed with sleeve, the inside of the sleeve is slidably connected with threaded column, the middle part of the outer side of the threaded column is fixedly installed with baffle, the inside of the sleeve is provided with fixed groove, the lower end of the threaded column is threadedly connected with locking nut, the upper end of the threaded column is fixedly installed with knob, the upper end of the locking nut is bonded with second rubber pad.

[0008] By setting the cooperation of upper connecting ring and lower connecting ring, the connection between pipes is facilitated, and the difficulty of connecting pipes caused by small reserved gap between pipes is avoided.

[0009] In a preferred embodiment, the upper wall of the pipe is fixedly installed with a placement table, the right side of the lower end of the placement table is fixedly installed with a fixing block, the lower end of the fixing block is slidably connected with an extension rod, the right side of the extension rod is fixedly installed with a receiving table, the upper end of the receiving table is rotatably connected with a roller, the left side of the lower end of the placement table is rotatably connected with a locking piece, the left side of the lower end of the receiving table is provided with a clamping groove, the inner diameter of the clamping groove is greater than the outer diameter of the lower end of the locking piece, and the threaded column rotates in the sleeve.

[0010] By setting the cooperation of the receiving table and the roller, the placement and use of the cable are facilitated, and the movement of the construction personnel is facilitated when the cable is placed on the ground in the pipe.

[0011] As can be seen from the above, the trenchless pipe structure provided by the utility model facilitates the connection between pipes by setting the cooperation of upper connecting ring and lower connecting ring, avoids the difficulty of connecting pipes caused by small reserved gap between pipes, and facilitates the fixation of the first fixed platform and the second fixed platform by twisting the locking nut without manually fixing the threaded column, thereby improving the working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The overall structure of the trenchless pipe structure is shown in the schematic diagram.

[0013] Figure 2The utility model provides a kind of non-excavation top pipe structure's upper connecting ring and lower connecting ring three-dimensional structure schematic diagram.

[0014] Figure 3 The utility model provides a kind of non-excavation top pipe structure's sleeve section structure schematic diagram.

[0015] Figure 4 The utility model provides a kind of non-excavation top pipe structure's placement table three-dimensional structure schematic diagram.

[0016] Figure 5 The utility model provides a kind of non-excavation top pipe structure's fixed block section structure schematic diagram.

[0017] In the drawing: 1, upper connecting ring;2, lower connecting ring;3, top pipe;4, first rubber pad;5, first fixed table;6, second fixed table;7, through slot;8, installation groove;9, mounting block;10, sleeve;11, threaded column;12, baffle;13, fixed groove;14, locking nut;15, second rubber pad;16, placement table;17, fixed block;18, extension rod;19, receiving table;20, gyro wheel;21, locking piece;22, clamping groove. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0020] The non-excavation top pipe structure disclosed by the utility model is mainly applied when the length reserved between top pipes is narrow, and the placement of connecting ring is inconvenient, thereby affecting the connection between top pipes in the scene.

[0021] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a kind of trenchless pipe jacking structure, including upper connecting ring 1, the lower end of the upper connecting ring 1 is clamped with lower connecting ring 2, the upper connecting ring 1 and lower connecting ring 2 front and rear side are all sleeved with pipe 3, the inside lower end of the upper connecting ring 1 and the inside upper end of lower connecting ring 2 are all bonded with first rubber pad 4, the left and right side lower end of the upper connecting ring 1 is all fixedly installed with first fixed platform 5, the left and right side upper end of the lower connecting ring 2 is all fixedly installed with second fixed platform 6, the upper end of second fixed platform 6 is equipped with through slot 7, the left and right side of the upper end of lower connecting ring 2 is equipped with installation groove 8, the left and right side of the lower end of the upper connecting ring 1 is fixedly installed with mounting block 9, the upper end of first fixed platform 5 is fixedly installed with sleeve 10, the inside of sleeve 10 is slidably connected with threaded column 11, the outer side middle part of threaded column 11 is fixedly installed with baffle 12, the inside of sleeve 10 is equipped with fixed groove 13, the lower end of threaded column 11 is threadedly connected with locking nut 14, the upper end of locking nut 14 is bonded with second rubber pad 15.

[0022] The utility model discloses: when the pipe 3 is communicated, the lower connecting ring 2 is placed below the pipe 3 connecting place, the mounting block 9 on the upper connecting ring 1 is aligned on the installation groove 8 on the lower connecting ring 2, the upper connecting ring 1 is installed on the lower connecting ring 2, the threaded column 11 is inserted into sleeve 10, the baffle 12 on the threaded column 11 is clamped into the fixed groove 13 of sleeve 10, then the threaded column 11 passes through the through slot 7 in the second fixed platform 6, then the locking nut 14 is screwed on the threaded column 11, the locking nut 14 is tightened, the special shape of locking nut 14 not only facilitates the screwing, but also increases the contact area with the second fixed platform 6, thereby improving the fixing effect between the first fixed platform 5 and the second fixed platform 6, the second rubber pad 15 on the locking nut 14 is attached to the second fixed platform 6, further improving the fixing effect between the first fixed platform 5 and the second fixed platform 6, so that the second fixed platform 6 is closely attached to the first fixed platform 5, avoiding that the reserved gap between the pipe 3 is small and inconvenient to connect the pipe 3 by the locking device, improving the stability of the pipe 3 connection, the baffle 12 on the threaded column 11 is clamped into the fixed groove 13, without manually fixing the threaded column 11, the locking nut 14 can be screwed to fix the first fixed platform 5 and the second fixed platform 6, the working efficiency is higher, the first rubber pad 4 makes the upper connecting ring 1 and the lower connecting ring 2 closely attached to the pipe 3, improving the tightness after the pipe 3 is connected.

[0023] Refer to Figure 1 , Figure 4 And Figure 5In a preferred embodiment, the upper wall of the pipe 3 is fixedly installed with a placing table 16, the lower right side of the placing table 16 is fixedly installed with a fixed block 17, the lower end of the fixed block 17 is slidably connected with an extension rod 18, the right side of the extension rod 18 is fixedly installed with a receiving table 19, the upper end of the receiving table 19 is rotatably connected with a roller 20, the lower left side of the placing table 16 is rotatably connected with a locking piece 21, the lower left side of the receiving table 19 is provided with a clamping groove 22, the inner diameter of the clamping groove 22 is greater than the outer diameter of the lower end of the locking piece 21, and the threaded column 11 is rotatable in the sleeve 10.

[0024] In this embodiment, when the cable is placed in the pipe 3, the extension rod 18 is slid upward in the fixed block 17, thereby driving the receiving table 19 to slide upward, so that the locking piece 21 is separated from the clamping groove 22 on the receiving table 19, then the locking piece 21 is rotated, the left side of the receiving table 19 is uncovered, the cable is placed on the roller 20 on the receiving table 19 from the left side of the receiving table 19, then the locking piece 21 is rotated again to reset, and the extension rod 18 is slid downward, the locking piece 21 is reinserted into the clamping groove 22 on the receiving table 19, which is convenient for placing and using the cable, avoids placing the cable on the ground in the pipe 3, and is inconvenient for the movement of the construction personnel, and the locking piece 21 supports the receiving table 19, thereby improving the structural strength and stability of the receiving table 19.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A trenchless pipe jacking structure comprising an upper connection ring (1), characterized in that, The lower end of the upper connecting ring (1) is clamped with the lower connecting ring (2), the front and rear sides of the upper connecting ring (1) and the lower connecting ring (2) are sleeved with the top pipe (3), the inner lower end of the upper connecting ring (1) and the inner upper end of the lower connecting ring (2) are bonded with the first rubber pad (4), the left and right lower ends of the upper connecting ring (1) are fixedly installed with the first fixed table (5), the left and right upper ends of the lower connecting ring (2) are fixedly installed with the second fixed table (6), the upper end of the second fixed table (6) is provided with a through slot (7), the left and right sides of the upper end of the lower connecting ring (2) are provided with installation grooves (8), the left and right sides of the lower end of the upper connecting ring (1) are fixedly installed with installation blocks (9), the upper end of the first fixed table (5) is fixedly installed with a sleeve (10), the inside of the sleeve (10) is slidably connected with a threaded column (11), the outer side of the threaded column (11) is fixedly installed with a baffle (12), the inside of the sleeve (10) is provided with a fixed groove (13), the lower end of the threaded column (11) is threadedly connected with a locking nut (14), and the upper end of the locking nut (14) is bonded with a second rubber pad (15).

2. A trenchless pipe jacking structure according to claim 1, wherein, The inner upper wall of the top pipe (3) is fixedly installed with a placing table (16), and the right side of the lower end of the placing table (16) is fixedly installed with a fixed block (17).

3. A trenchless pipe jacking structure according to claim 2, wherein, The lower end of the fixed block (17) is slidably connected with an extension rod (18), and the right side of the extension rod (18) is fixedly installed with a receiving table (19).

4. A trenchless pipe jacking structure according to claim 3, wherein, The upper end of the receiving table (19) is rotatably connected with a roller (20), and the lower left side of the placing table (16) is rotatably connected with a locking piece (21).

5. A trenchless pipe jacking structure according to claim 4, wherein, The lower left side of the receiving table (19) is provided with a clamping groove (22), and the inner diameter of the clamping groove (22) is greater than the outer diameter of the lower end of the locking piece (21).

6. A trenchless pipe jacking structure as claimed in claim 1, wherein, The threaded column (11) rotates in the sleeve (10).

Citation Information

Patent Citations

  • Non-excavation pipe jacking structure

    CN221221681U