Muddy water conveying circulating pipeline connecting device for pipe jacking construction

By designing the mud-water conveying circulation pipeline connection device for top pipe construction, the screw, snap plate and sealing ring structure is used to solve the problems of cumbersome pipeline splicing and insufficient stability, and achieve fast and firm connection and sealing effects.

CN223090192UActive Publication Date: 2025-07-11SHANGHAI BAOYE GRP CORP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422401485.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-11
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

In the existing pipe top construction, the pipeline splicing operation is cumbersome and the stability is insufficient, and it is easy to separate under high pressure, resulting in insufficient practicality.

Method used

A connecting device including the first pipeline and the second pipeline is designed, and a fast and firm connection is achieved through the splicing component and the closure component, and the stability and sealing of the pipeline are ensured by using a screw, a snap plate and a sealing ring structure.

Benefits of technology

It realizes fast and firm connection of the pipeline, prevents separation under high pressure, improves sealing performance, and enhances the practicality of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223090192U_ABST
    Figure CN223090192U_ABST
Patent Text Reader

Abstract

The utility model relates to a muddy water conveying circulating pipeline connecting device for pipe jacking construction, which comprises a first pipeline and a second pipeline, a splicing part is arranged between the first pipeline and the second pipeline, and a sealing part is arranged between the first pipeline and the second pipeline; the splicing part comprises a fixing ring fixedly connected with the outer side of the first pipeline, screws connected with the two sides of the fixing ring correspondingly, rotating plates fixedly connected with one ends of the screws, buckling plates connected with the other ends of the screws, a fastening ring fixedly connected with the outer side of the second pipeline and buckling grooves formed in the two sides of the fastening ring correspondingly. The buckle plate is connected with the buckle groove in an inserted mode, the screw rod is connected with the fixing ring in a threaded mode, and the screw rod is rotationally connected with the buckle plate. According to the utility model, gaps can be sealed, leakage can be prevented, and the practicability can be further improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of pipe jacking construction, in particular to a connection device for a mud conveying and circulating pipeline in pipe jacking construction. Background Technique

[0002] The pipe jacking machine mainly consists of a rotary excavation system, a main jack hydraulic propulsion system, a soil conveying system, a grouting system, a measuring device, a ground hoisting device, an electrical system, etc. Pipe jacking construction is an underground pipeline construction method developed after shield construction. Its greatest advantage is that it can cross roads and various underground pipelines without excavating the surface layer. During pipe jacking construction, the slurry balance method uses slurry pressure to balance the groundwater pressure and soil pressure to achieve a balanced and stable state. In the slurry conveying and circulating system, pipelines are needed to circulate the slurry.

[0003] During current pipe jacking construction, since the length of the pipeline is relatively fixed, multiple pipelines need to be spliced. However, during the splicing of existing pipelines, the splicing operation is relatively cumbersome, and the splicing stability is insufficient. Under high pressure, the pipelines are prone to separation, resulting in insufficient practicability. Content of the Utility Model

[0004] The utility model aims to overcome the defects of the prior art and provide a connection device for a mud conveying and circulating pipeline in pipe jacking construction, so as to solve the problem that during pipe jacking construction, since the length of the pipeline is relatively fixed, multiple pipelines need to be spliced. However, during the splicing of existing pipelines, the splicing operation is relatively cumbersome, and the splicing stability is insufficient. Under high pressure, the pipelines are prone to separation, resulting in insufficient practicability.

[0005] In order to solve the above technical problems, the utility model is realized as follows:

[0006] A connection device for a mud conveying and circulating pipeline in pipe jacking construction, characterized in that: it includes a first pipeline and a second pipeline, a splicing component is provided between the first pipeline and the second pipeline, and a sealing component is provided between the two pipelines;

[0007] The splicing component includes a fixed ring fixedly connected to the outer side of the first pipeline, screw rods respectively connected to both sides of the fixed ring, a rotating plate fixedly connected to one end of the screw rod, a buckle plate connected to the other end of the screw rod, a fastening ring fixedly connected to the outer side of the second pipeline, and buckle slots respectively opened on both sides of the fastening ring. The buckle plate is inserted into the buckle slot, the screw rod is screwed with the fixed ring, and the screw rod is rotatably connected to the buckle plate.

[0008] The described mud conveying and circulating pipeline connection device for pipe jacking construction is characterized in that: the closing member includes a first connecting ring fixedly connected to the outer side of the first pipeline, a second connecting ring fixedly connected to the outer side of the second pipeline, an annular groove formed on one side of the first connecting ring, a groove on one side inside the groove, a push plate arranged in the groove, a first sealing ring fixedly connected to one side of the push plate, a second sealing ring fixedly connected to one side of the second connecting ring, and a plurality of springs fixedly connected to one side of the push plate and arranged in a circular pattern. Both ends of the spring are fixedly connected to the push plate and the inner wall of the groove respectively, and the push plate is slidably connected to the groove.

[0009] The described mud conveying and circulating pipeline connection device for pipe jacking construction is characterized in that: a plurality of serrated grooves are uniformly arranged on the inner wall of the snap groove, a plurality of serrated plates are fixedly connected to the inner wall of the snap plate, and the serrated plates are inserted into the serrated grooves.

[0010] The described mud conveying and circulating pipeline connection device for pipe jacking construction is characterized in that: a sealing groove is formed on one side of the first connecting ring, a sealing pad is fixedly connected to one side of the second connecting ring, and the sealing pad is inserted into the sealing groove.

[0011] The described mud conveying and circulating pipeline connection device for pipe jacking construction is characterized in that: fixing rods are respectively fixedly connected to both sides of the snap plate, two vertical rods are respectively fixedly connected to both sides inside the fixing ring, a sliding groove is formed on the vertical rod, and the fixing rod is slidably connected to the sliding groove.

[0012] The described mud conveying and circulating pipeline connection device for pipe jacking construction is characterized in that: a plurality of extrusion grooves are arranged in a circular pattern in the groove, a push rod is slidably connected in the extrusion groove, and the spring is sleeved on the outer side of the push rod.

[0013] The described mud conveying and circulating pipeline connection device for pipe jacking construction is characterized in that: the cross-sectional shape of the fixing rod is T-shaped, and the cross-sectional shape of the sliding groove is T-shaped.

[0014] The beneficial effect of the present utility model is that: as can be seen from the above technical solutions, the present application provides a mud conveying and circulating pipeline connection device for pipe jacking construction. By setting the first pipeline, the second pipeline and the splicing component, the first pipeline and the second pipeline can be aligned. By rotating the rotating plate, the screw can be driven to rotate, and the rotation of the screw can drive the snap plate to move, so that the snap plate can be snapped into the snap groove, and the first pipeline and the second pipeline can be quickly connected and fixed, making the connection between the first pipeline and the second pipeline faster and more firm. At the same time, the serrated plate can be inserted into the serrated groove to firmly lock the first pipeline and the second pipeline, preventing the first pipeline and the second pipeline from separating due to high pressure or high temperature, thereby greatly improving the practicability of the device.

[0015] By providing a sealing component, when the first pipeline and the second pipeline are connected, the second sealing ring can contact the first sealing ring. The movement of the first sealing ring can drive the push plate to extrude and deform the spring. By utilizing the thrust generated by the deformation of the spring, the first sealing ring and the second sealing ring can be made to contact more tightly, the gap can be sealed, leakage can be prevented, and thus the practicability can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described in detail below in conjunction with the drawings and embodiments:

[0017] Figure 1 is a three-dimensional structural schematic diagram;

[0018] Figure 2 is the left view of this;

[0019] Figure 3 is Figure 2 the three-dimensional sectional view at A-A in

[0020] Figure 4 is Figure 3 the enlarged view at B in

[0021] Figure 5 is Figure 3 the enlarged view at C in

[0022] In the figure: 1. First pipeline; 11. Second pipeline; 21. Fixed ring; 22. Screw rod; 23. Rotating plate; 24. Buckling plate; 25. Fastening ring; 26. Buckling groove; 31. First connecting ring; 32. Second connecting ring; 33. Annular groove; 34. Groove; 35. Push plate; 36. First sealing ring; 37. Second sealing ring; 38. Spring; 41. Serrated groove; 42. Serrated plate; 51. Sealing groove; 52. Sealing gasket; 61. Fixed rod; 62. Vertical rod; 63. Chute; 71. Extrusion groove; 72. Push rod. SPECIFIC EMBODIMENTS

[0023] The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope claimed by the present application.

[0024] As Figures 1-5 shown: A connection device for a mud conveying and circulating pipeline in pipe jacking construction includes a first pipeline 1 and a second pipeline 11. A splicing component is provided between the first pipeline and the second pipeline, and a sealing component is provided between the two pipelines;

[0025] The splicing component includes a fixing ring 21 fixedly connected to the outer side of the first pipeline, screw rods 22 respectively connected to both sides of the fixing ring, a rotating plate 23 fixedly connected to one end of the screw rod, a buckle plate 24 connected to the other end of the screw rod, a fastening ring 25 fixedly connected to the outer side of the second pipeline, and buckle slots 26 respectively formed on both sides of the fastening ring. The buckle plate is inserted into the buckle slot, the screw rod is screwed with the fixing ring, and the screw rod is rotatably connected to the buckle plate.

[0026] The closing component includes a first connecting ring 31 fixedly connected to the outer side of the first pipeline, a second connecting ring 32 fixedly connected to the outer side of the second pipeline, an annular groove 33 formed on one side of the first connecting ring, a groove 34 on one side inside the groove, a push plate 35 arranged in the groove, a first sealing ring 36 fixedly connected to one side of the push plate, a second sealing ring 37 fixedly connected to one side of the second connecting ring, and a plurality of springs 38 fixedly connected to one side of the push plate and arranged in a circular pattern. Both ends of the spring are fixedly connected to the push plate and the inner wall of the groove respectively, and the push plate is slidably connected to the groove.

[0027] A plurality of serrated grooves 41 are uniformly arranged on the inner wall of the buckle slot, and a plurality of serrated plates 42 are fixedly connected to the inner wall of the buckle plate and are uniformly arranged. The serrated plate is inserted into the serrated groove.

[0028] A sealing groove 51 is formed on one side of the first connecting ring, and a sealing gasket 52 is fixedly connected to one side of the second connecting ring. The sealing gasket is inserted into the sealing groove.

[0029] Fixing rods 61 are respectively fixedly connected to both sides of the buckle plate, two vertical rods 62 are respectively fixedly connected to both sides inside the fixing ring, a sliding groove 63 is formed on the vertical rod, and the fixing rod is slidably connected to the sliding groove.

[0030] A plurality of extrusion grooves 71 are arranged in a circular pattern in the groove, a push rod 72 is slidably connected in the extrusion groove, and the spring is sleeved on the outer side of the push rod.

[0031] The cross-sectional shape of the fixing rod is T-shaped, and the cross-sectional shape of the sliding groove is T-shaped.

[0032] Working process: Connect the first pipeline 1 and the second pipeline 11. At this time, the first connecting ring 31 and the second connecting ring 32 are in contact. The second sealing ring 37 can be inserted into the annular groove 33. The second sealing ring 37 contacts the first sealing ring 36. The first sealing ring 36 is squeezed to drive the push plate 35 to move. The movement of the push plate 35 can drive the spring 38 to deform. The reaction force generated by the deformation of the spring 38 can push the first sealing ring 36 into close contact with the second sealing ring 37, so as to seal the gap between the first pipeline 1 and the second pipeline 11. At the same time, the gasket 52 is synchronously inserted into the sealing groove 51, which can further improve the sealing performance and prevent leakage. Then, the rotating plate 23 can be rotated. The rotating plate 23 can drive the screw 22 to rotate. The rotation of the screw 22 can drive the buckle plate 24 to move. The movement of the buckle plate 24 can be inserted into the buckle groove 26. At the same time, the serrated plate 42 can be synchronously inserted into the serrated groove 41. At this time, the first pipeline 1 and the second pipeline 11 can be fixed to each other, making the connection between the first pipeline 1 and the second pipeline 11 faster and more firm, firmly locking the first pipeline 1 and the second pipeline 11, and preventing the first pipeline 1 and the second pipeline 11 from separating due to high pressure or high temperature.

[0033] The above are the embodiments provided by this application and are not used to limit this application. Although this application has been described in detail with reference to the embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some of the technical features. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

1. A connection device for the muddy water transportation and circulation pipeline in pipe jacking construction, characterized in that: It includes a first pipeline and a second pipeline. A splicing component is provided between the first pipeline and the second pipeline, and a sealing component is provided between the two pipelines; The splicing component includes a fixing ring fixedly connected to the outer side of the first pipeline, screw rods respectively connected to both sides of the fixing ring, a rotating plate fixedly connected to one end of the screw rod, a buckle plate connected to the other end of the screw rod, a fastening ring fixedly connected to the outer side of the second pipeline, and buckle slots respectively opened on both sides of the fastening ring. The buckle plate is inserted into the buckle slot, the screw rod is screwed with the fixing ring, and the screw rod is rotatably connected to the buckle plate.

2. The mud conveying and circulating pipeline connection device for pipe jacking construction according to claim 1, characterized in that: The sealing component includes a first connection ring fixedly connected to the outer side of the first pipeline, a second connection ring fixedly connected to the outer side of the second pipeline, an annular groove opened on one side of the first connection ring, a groove on one side inside the groove, a push plate arranged in the groove, a first sealing ring fixedly connected to one side of the push plate, a second sealing ring fixedly connected to one side of the second connection ring, and a plurality of springs fixedly connected to one side of the push plate and arranged in a circular pattern. Both ends of the spring are fixedly connected to the push plate and the inner wall of the groove respectively, and the push plate is slidably connected to the groove.

3. The mud conveying and circulating pipeline connecting device for pipe jacking construction according to claim 1, wherein: A plurality of serrated grooves arranged evenly are opened on the inner wall of the buckle slot, and a plurality of serrated plates arranged evenly are fixedly connected to the inner wall of the buckle plate. The serrated plates are inserted into the serrated grooves.

4. The mud conveying and circulating pipeline connection device for pipe jacking construction according to claim 2, characterized in that: A sealing groove is opened on one side of the first connection ring, and a sealing pad is fixedly connected to one side of the second connection ring. The sealing pad is inserted into the sealing groove.

5. The mud conveying and circulating pipeline connection device for pipe jacking construction according to claim 1, characterized in that: Fixing rods are respectively fixedly connected to both sides of the buckle plate, two vertical rods are respectively fixedly connected to both sides inside the fixing ring, sliding grooves are opened on the vertical rods, and the fixing rods are slidably connected to the sliding grooves.

6. The mud conveying and circulating pipeline connection device for pipe jacking construction according to claim 2, wherein: A plurality of extrusion grooves arranged in a circular pattern are opened in the groove, push rods are slidably connected in the extrusion grooves, and the springs are sleeved on the outer sides of the push rods.

7. A connection device for a slurry transportation and circulation pipeline in pipe jacking construction according to claim 5, characterized in that: The cross-sectional shape of the fixing rod is T-shaped, and the cross-sectional shape of the sliding groove is T-shaped.