CN218818571U - Nodular cast iron relay chamber for jacking pipe - Google Patents
Nodular cast iron relay chamber for jacking pipe Download PDFInfo
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- CN218818571U CN218818571U CN202223418699.2U CN202223418699U CN218818571U CN 218818571 U CN218818571 U CN 218818571U CN 202223418699 U CN202223418699 U CN 202223418699U CN 218818571 U CN218818571 U CN 218818571U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a push pipe is with nodular cast iron relay room, including shell and inner shell, the one end of inner shell is to inserting the one end of shell, the inner shell with be equipped with relay cylinder, its characterized in that between the shell link: a sealing rubber ring is arranged between the outer wall surface of the inserting end of the inner shell and the inner wall surface of the inserting end of the outer shell, and an oil filling hole is formed in the outer wall surface of the inserting end of the inner shell. The utility model discloses between nodular cast iron relay for the roof pipe, simple structure, the leakproofness is good, and long service life has stronger practicality and better application prospect.
Description
Technical Field
The utility model belongs to the technical field of the push pipe, more specifically say, relate to a nodular cast iron relay room for push pipe.
Background
At present, the development of the pipe jacking technology is mature day by day, the technical problems of urban building damage, road traffic jam and the like caused by pipeline laying construction are thoroughly solved, and the pipe jacking non-excavation construction technology has obvious advantages in soil layer stabilization and environmental protection. But there is certain technical degree of difficulty to the construction of long distance push pipe, along with the increase of construction pipeline length, leads to the continuous stack of soil to pipeline frictional force around the pipeline, so the jacking force of demand also can increase thereupon, for the protection push pipe tubular product is not pushed away by the overload, usually need solve the not enough problem of working well owner top hydro-cylinder jacking force between the installation of one or more relay on the push pipe pipeline. The jacking pipes are of various types, such as cement jacking pipes, glass fiber reinforced plastic sand-adding pipe jacking pipes, nodular cast iron jacking pipes and the like.
The pipe-jacking intermediate room is used as a matched product for pipe-jacking construction, the product technology is continuously improved, the market puts forward new requirements on the sealing structure and the sealing performance of the intermediate room product, and the steel intermediate room is various in different sealing structures due to pipe-jacking pipes, but the self-sealing effect is poor.
The existing trunk room for the top pipe is produced by bending, welding and processing steel plates, and the welding quality and strength directly influence the construction safety of the top pipe. Meanwhile, the manufacturing of the relay by steel has high welding and processing cost. When the existing relay room is installed and connected with a pipe of a jacking pipe, the joint is not tight in sealing, and the leakage is easy to occur.
The existing steel-made middle-relay sealing structure only can play a role in stopping the push pipe and muddy water around the middle-relay in the push pipe construction process to a certain extent, and does not play a good sealing effect.
The problem of current steel relay self sealss nature is poor is solved, and the back is accomplished in the construction of push pipe usually, all can connect the relay inner shell and the outer shell two parts link up the position through the welded mode to realize sealed function. When the relay is sealed by welding, the high-pressure resistance is poor, the service life is short, and the operation safety and the durability of a pipe network are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art, and providing a nodular cast iron relay chamber for the push pipe with simple structure, good sealing performance and long service life.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the provided nodular cast iron relay room for the jacking pipe comprises an outer shell and an inner shell, wherein one end of the inner shell is oppositely inserted into one end of the outer shell, and a relay oil cylinder is arranged between the connecting end of the inner shell and the connecting end of the outer shell, and is characterized in that: a sealing rubber ring is arranged between the outer wall surface of the inserting end of the inner shell and the inner wall surface of the inserting end of the outer shell, and an oil filling hole is formed in the outer wall surface of the inserting end of the inner shell.
In order to make the above technical solution more detailed and concrete, the present invention further provides the following preferable technical solution to obtain satisfactory practical effect:
a plurality of annular mounting grooves are formed in the outer wall surface of the inserting end of the inner shell at intervals, and the sealing rubber ring is arranged in the mounting grooves.
The oil filler hole is arranged between the mounting grooves.
And a lubricating groove is formed in one side surface of the sealing rubber ring opposite to the mounting groove.
The lubricating groove is an annular groove arranged along the circumferential direction of the sealing rubber ring, and the cross section of the lubricating groove is V-shaped.
An inner shell pushing rib plate for supporting and arranging the relay oil cylinder is arranged in the inner shell.
And a plurality of relay oil cylinders are uniformly arranged at intervals in the annular direction of the inner shell pushing rib plate.
And a shell pushing rib plate is arranged in the shell, and the telescopic rod end of the relay oil cylinder is connected to the shell pushing rib plate.
The relay cylinder is mounted to the inner wall surface of the inner casing by a fastening buckle.
The other end of the outer shell, which is spliced with the inner shell, is a socket end, and the other end of the inner shell, which is spliced with the outer shell, is a socket.
Compared with the prior art, the utility model, have following advantage the utility model discloses between the nodular cast iron relay for the overhead line, simple structure, the leakproofness is good, and long service life has stronger practicality and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic structural view of a first embodiment of a nodular cast iron relay chamber for middle jacking pipes of the present invention;
FIG. 2 isbase:Sub>A schematic sectional view ofbase:Sub>A nodular cast iron trunk room forbase:Sub>A middle jacking pipe according tobase:Sub>A first embodiment of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of the nodular cast iron trunk room for middle jacking pipes of the present invention;
fig. 4 is a schematic view of a part of the enlarged structure at B in fig. 3.
Labeled as: 1. the oil hole pushing device comprises an inner shell, 2 parts of an outer shell, 3 parts of an oil injection hole, 4 parts of a relay oil cylinder, 5 parts of a socket, 6 parts of an outer shell pushing rib plate, 7 parts of a sealing rubber ring, 8 parts of an oil hole plug, 9 parts of an inner shell pushing rib plate, 10 parts of a bell mouth, 11 parts of a connecting bolt, 12 parts of a fastening buckle, 13 parts of a mounting groove.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The utility model discloses this kind of push pipe is with nodular cast iron relay room, as shown in fig. 1, 3, including shell 2 and inner shell 1, the one end of inner shell 1 is equipped with relay cylinder 4 to inserting in the one end of shell 2 between the link of inner shell 1 and shell 2. A sealing rubber ring 7 is arranged between the outer wall surface of the inserting end of the inner shell 1 and the inner wall surface of the inserting end of the outer shell 2, and an oil filling hole 3 is arranged on the outer wall surface of the inserting end of the inner shell 1. The utility model discloses this kind of nodular cast iron relay for push pipe, structural strength is reliable, the performance is good, adopts to make with the material with the nodular cast iron push pipe, and with the life-span, corrosion resistance is good, and long service life effectively improves push pipe construction safety and realizes the operation of pipe network high quality.
The utility model discloses in, be equipped with many interval arrangements's annular mounting groove 13 on the grafting end outer wall of inner shell 1, sealing rubber ring 7 is located in mounting groove 13. The oil filler hole 3 is arranged between the mounting grooves. In the first embodiment, two sealing rubber rings 7 are arranged, and the oil injection hole 3 is arranged between the two sealing rubber rings. In the second embodiment, four sealing rubber rings 7 are arranged, and the oil filling hole 3 is arranged between the second sealing rubber ring and the third sealing rubber ring.
The utility model discloses in, as shown in fig. 4, a side that sealing rubber ring 7 is relative with mounting groove 13 is equipped with the lubrication groove to lubricating oil is lubricated for sealing rubber ring 7 through oil filler point 3. The lubricating groove is an annular groove arranged along the circumferential direction of the sealing rubber ring 7, and the cross section of the lubricating groove is V-shaped. During installation, the sealing rubber ring 7 is installed in the installation groove and lubricated by lubricating oil.
In the utility model, as shown in fig. 1 and 3, an inner shell pushing rib plate 9 for supporting and arranging the relay oil cylinder 3 is arranged in the inner shell 1. A plurality of relay oil cylinders 4 which are uniformly arranged at intervals are arranged in the annular direction of the inner shell pushing rib plate 9. A shell pushing rib plate 6 is arranged in the shell 2, and the telescopic rod end of the relay oil cylinder 4 is connected to the shell pushing rib plate 6.
In the present invention, as shown in fig. 2, the relay cylinder 4 is mounted to the inner wall surface of the inner casing 1 through the fastening buckle 12. The fastening buckle is of a semicircular structure, and the connecting lugs on two sides are connected to the inner shell through the connecting bolts so as to fix the relay oil cylinder 4 and ensure the stability of the relay oil cylinder.
The utility model discloses in, the other end that shell 2 and inner shell 1 pegged graft is socket 5, and the other end that inner shell 1 and shell 2 pegged graft is bellmouth 10.
The utility model discloses this kind of nodular cast iron is structural design between, socket 5 is connected with the push pipe bellmouth, and bellmouth 10 is connected with the push pipe socket, and when the main top hydro-cylinder thrust of push pipe construction work well was not enough or because of the complicated jacking difficulty of geological conditions, start the relay hydro-cylinder 4 of relaying within a definite time, relay hydro-cylinder 4 is inside to be the concertina movement repeatedly in the relay, promotes the push pipe and gos forward, realizes the push pipe segmentation jacking function.
The utility model discloses to the technical problem that the product was used between current water supply and drainage pipe push pipe construction, design a nodular cast iron for push pipe and relay. The material of the relay room is nodular cast iron (the mark is QT 420-5), and the material has high strength, good performance, corrosion resistance and long service life. The nodular cast iron relay room is matched with the nodular cast iron jacking pipe for use, the service life of the nodular cast iron relay room is the same as that of the nodular cast iron jacking pipe, and the application advantage of the pipeline system in the same service life cycle is realized. The relay chamber and the jacking pipe are connected in a socket joint type flexible connection mode, and a sealing rubber ring is matched with the relay chamber, so that the sealing performance is good, high pressure resistance is realized, and water leakage can be avoided. The relay belongs to an assembly part, and is assembled and connected in a socket joint mode, so that the rubber ring is high in strength, wear-resistant and reliable in sealing performance.
As shown in fig. 4, the oil hole 3 and the oil hole plug 8 are installed, and the oil hole plug 8 is used for plugging the oil hole 3 after grease is injected.
The oil filling hole 3 is an oil filling channel, and the friction of the contact surface of the rubber sealing rubber ring is reduced after grease is filled from the channel, so that the sealing rubber ring is prevented from being damaged, and the sealing property of the rubber ring is improved; in the second embodiment, a four-rubber-ring sealing structure is designed, two sealing rubber rings 7 are respectively arranged on two sides of the oil injection hole 3, the two outermost rubber rings of the oil injection hole 3 are seriously worn during intermediate pushing operation, and finally the two middle rubber rings play a sealing role so as to further improve the sealing reliability and safety; the rubber ring is made of high-hardness and high-wear-resistance materials, and the supporting capacity and the wear resistance of the rubber ring are improved, so that sealing failure of the rubber ring is prevented.
During the detection of the sealing performance, the relay oil cylinder of the relay is started according to the general working condition, so that the inner shell part and the outer shell part of the relay do relative reciprocating telescopic motion, and then the test and the detection of the hydraulic sealing performance are carried out to verify the sealing performance.
The utility model discloses in, to the supporting bad technical problem of product seal structure self sealss of relay of current water supply and drainage pipe push pipe construction, design a seal structure, realize the good self sealss nature of product. The sealing structure of the relay room is designed with 4 rubber ring sealing structures which are respectively arranged at two sides of the oil filling hole, so that the sealing reliability and safety are improved. The ethylene propylene diene monomer with high hardness and high wear resistance is selected as the material of the rubber sealing ring, so that the supporting capability and the wear resistance of the rubber sealing ring as a supporting body are improved, and the rubber ring is prevented from being damaged due to repeated telescopic motion when a relay room is started in the segmented pushing process, and the sealing performance of the rubber ring is prevented from losing efficacy. The sealing position is provided with a special oil filling hole, grease is filled from the interior of the relay through the screw hole, the lubricating effect is achieved, friction of the contact surface of the rubber ring is reduced, abrasion of the rubber ring is prevented, and the sealing performance of the rubber ring is improved. The sealing structure is reliable in sealing performance and long in service life, and effectively guarantees the long-term performance and the safety of the operation of the pipe network.
The utility model discloses between nodular cast iron relay for the overhead line, simple structure, the leakproofness is good, and long service life has stronger practicality and better application prospect.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention has been described above with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and various insubstantial improvements or direct applications to other applications can be achieved by using the method and technical solution of the present invention, which all fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a push pipe is with nodular cast iron relay room, includes shell and inner shell, the one end of inner shell is to inserting the one end of shell, the inner shell with be equipped with relay cylinder, its characterized in that between the shell link: a sealing rubber ring is arranged between the outer wall surface of the inserting end of the inner shell and the inner wall surface of the inserting end of the outer shell, and an oil filling hole is formed in the outer wall surface of the inserting end of the inner shell.
2. The pipe-jacking nodular cast iron relay room of claim 1, wherein: a plurality of annular mounting grooves are formed in the outer wall surface of the inserting end of the inner shell at intervals, and the sealing rubber ring is arranged in the mounting grooves.
3. The pipe-jacking nodular cast iron relay room according to claim 2, wherein: the oil filler hole is arranged between the mounting grooves.
4. The pipe-jacking nodular cast iron relay room according to claim 3, wherein: and a lubricating groove is formed in one side surface of the sealing rubber ring opposite to the mounting groove.
5. The pipe-jacking nodular cast iron relay room according to claim 4, wherein: the lubricating groove is an annular groove arranged along the circumferential direction of the sealing rubber ring, and the cross section of the lubricating groove is V-shaped.
6. The pipe-jacking nodular cast iron relay room of claim 1, wherein: an inner shell pushing rib plate for supporting and arranging the relay oil cylinder is arranged in the inner shell.
7. The nodular cast iron relay room for jacking pipes of claim 6, wherein: and a plurality of relay oil cylinders are uniformly arranged at intervals in the annular direction of the inner shell pushing rib plate.
8. The nodular cast iron relay room for jacking pipes of claim 7, wherein: and a shell pushing rib plate is arranged in the shell, and the telescopic rod end of the relay oil cylinder is connected to the shell pushing rib plate.
9. The nodular cast iron relay room for jacking pipes of claim 8, wherein: the relay cylinder is mounted to the inner wall surface of the inner casing through a fastening buckle.
10. The pipe-jacking nodular cast iron relay room of claim 1, wherein: the other end of the outer shell, which is spliced with the inner shell, is a socket end, and the other end of the inner shell, which is spliced with the outer shell, is a socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223418699.2U CN218818571U (en) | 2022-12-20 | 2022-12-20 | Nodular cast iron relay chamber for jacking pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223418699.2U CN218818571U (en) | 2022-12-20 | 2022-12-20 | Nodular cast iron relay chamber for jacking pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218818571U true CN218818571U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223418699.2U Active CN218818571U (en) | 2022-12-20 | 2022-12-20 | Nodular cast iron relay chamber for jacking pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218818571U (en) |
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2022
- 2022-12-20 CN CN202223418699.2U patent/CN218818571U/en active Active
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