CN214037301U - Telescopic re-connection device for pipeline connection - Google Patents
Telescopic re-connection device for pipeline connection Download PDFInfo
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- CN214037301U CN214037301U CN202023298130.8U CN202023298130U CN214037301U CN 214037301 U CN214037301 U CN 214037301U CN 202023298130 U CN202023298130 U CN 202023298130U CN 214037301 U CN214037301 U CN 214037301U
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Abstract
The utility model particularly relates to a telescopic is compound to be put for pipe connection has solved the problem that there is the clearance in branch pipe fitting and main part pipeline when current push pipe engineering branch section construction. A telescopic recanalization device for pipeline connection comprises an inner sleeve and an outer sleeve, wherein the right part of the inner sleeve penetrates through the left part of the outer sleeve, and a plurality of sealing rubber rings are arranged at the joint part of the inner sleeve and the outer sleeve; a plurality of positioning lug plates are fixed at the left part of the outer side wall of the inner sleeve; a baffle is arranged on the left side of each positioning ear plate; each positioning lug plate is provided with an adjusting bolt in a penetrating way; the right part of the outer side wall of the outer sleeve is fixedly provided with a plurality of fixing plates, and the left end part of the inner sleeve is provided with a first connecting mechanism; the right end part of the outer sleeve is provided with a second connecting mechanism. The utility model discloses a compound of branch's pipe fitting and second pipeline has the advantage that the installation is convenient, sealed effectual, low in manufacturing cost, practicality are strong, can be applicable to the different operating modes of branch's pipe fitting and second pipeline clearance width.
Description
Technical Field
The utility model relates to a pipeline construction is with compound device that leads to specifically is a telescopic compound device that leads to for pipe connection.
Background
In the underground pipeline construction of the ductile cast iron pipe in the municipal public works, the pipe jacking process becomes the preferred process for upgrading and reconstructing the underground pipeline of the narrow street in the old city due to the advantages of no excavation, no need of blocking traffic, small interference to the living environment of residents and the like. During pipe jacking construction, a reserved connecting device can be installed at the branch section, after the pipe jacking is completed, the reserved connecting device is dismantled, and branch pipes such as pipeline branches or valves are installed.
However, practice shows that, in order to facilitate installation of the branch pipe fitting, the reserved space between the first pipeline and the second pipeline is often larger than the size of the branch pipe fitting, so that the whole pipeline is disconnected after the branch pipe fitting is installed. Therefore, a telescopic communicating device for pipeline connection is needed to be invented, and a branch pipe fitting of the pipe-jacking branch section is communicated with the main pipe of the pipe-jacking pipe, so that the normal operation of the pipe is realized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a branch pipe fitting and main part pipeline have the problem in clearance when solving the construction of current push pipe engineering branch section, provide a telescopic device that recalls for pipe connection.
The utility model discloses an adopt following technical scheme to realize:
a telescopic recanalization device for pipeline connection comprises an inner sleeve and an outer sleeve, wherein the right part of the inner sleeve penetrates through the left part of the outer sleeve, and a plurality of sealing rubber rings distributed left and right are arranged at the joint part of the inner sleeve and the outer sleeve; a plurality of positioning ear plates which are distributed equidistantly along the circumferential direction and are vertical in the longitudinal direction are fixed at the left part of the outer side wall of the inner sleeve; the left side of each positioning ear plate is provided with a baffle which is arranged in parallel with the positioning ear plate and is fixed on the outer side wall of the inner sleeve; each positioning lug plate is provided with a regulating bolt which is tightly attached to the right surface of the baffle plate at the left end surface and is transversely arranged; a plurality of fixing plates which are opposite to the positioning lug plates left and right one by one and are provided with screw holes are fixed at the right part of the outer side wall of the outer sleeve, and the tail parts of the adjusting bolts are screwed in the screw holes of the fixing plates one by one; the left end part of the inner sleeve is provided with a first connecting mechanism; the right end part of the outer sleeve is provided with a second connecting mechanism.
During installation, the branch pipe fitting is connected to the right end of the first pipeline, the left end of the inner sleeve is connected to the right end of the branch pipe fitting through the first connecting mechanism, then each adjusting bolt is adjusted, the adjusting bolt rotates to drive the fixing plate to move from left to right, the outer sleeve is driven to move rightwards until the right end of the outer sleeve is contacted with the left end of the second pipeline, and finally the right end of the outer sleeve is connected to the second pipeline through the second connecting mechanism, so that connection of the device is completed. In the construction, when the interface types of the first pipeline and the branch pipe fitting, the recovery device and the branch pipe fitting, and the recovery device and the second pipeline are not matched, the disk bearing short pipe or the disk plug short pipe is used for conversion. In the process, the adjusting screw can adjust the length of the part, sleeved with the inner sleeve, of the outer sleeve, so that the length of the recovery device can be adjusted, the recovery device can adapt to the width of a gap between the branch pipe fitting and the second pipeline, and can enable the outer sleeve and the second pipeline to be close enough, so that the outer sleeve and the second pipeline can be conveniently and firmly connected; the baffle can limit the position of the adjusting screw rod, and the expansion of the inner sleeve and the outer sleeve is realized through the rotation of the adjusting screw rod; the sealing rubber ring can improve the sealing performance of the recovery device and prevent the leakage of internal circulating media. The utility model overcomes there is the problem in clearance in branch pipe fitting and main part pipeline when current push pipe engineering branch section is under construction.
The outer portion of the inner sleeve and the outer portion of the outer sleeve are jointly sleeved with a tubular outer sealing pipe, and annular functional protective layers are arranged between the inner side wall of the outer sealing pipe and the outer side wall of the inner sleeve and between the inner side wall of the outer sealing pipe and the outer side wall of the outer sleeve.
The structural design of the functional protection layer can preserve heat of the medium flowing through the inner cavity of the recovery device, and meanwhile, the sealing property and the corrosion resistance of the recovery device are further improved.
The first connecting mechanism is a bearing pipe which is integrally arranged with the inner sleeve; the second connecting mechanism is a plug-in pipe which is integrated with the outer sleeve.
This structural design makes this recanalization device be applicable to between the branch pipe fitting of socket joint connection and the second pipeline.
The first connecting mechanism and the second connecting mechanism are both vertical flanges.
This structural design makes this device that recalls be applicable to between flange joint's branch pipe fitting and the second pipeline, has further promoted this device that recalls's suitability.
The outer sealing pipe consists of two arc-shaped outer sealing pipe pieces which are distributed up and down; one end of the inner side wall of the outer sealing segment in the front-back direction is integrally provided with a transverse convex rib, and the other end of the inner side wall of the outer sealing segment is integrally provided with a transverse strip-shaped clamping groove matched with the convex rib in shape; convex edge strips and strip-shaped clamping grooves of the two outer sealing duct pieces are exchanged and matched with each other.
This structural design has increased the simple operation nature when two outer section of jurisdiction installations and dismantlements, and then has improved the installation effectiveness of this recanalization device.
The outer sealing duct piece comprises a first straight duct piece, a first transition duct piece, a second straight duct piece, a second transition duct piece and a third straight duct piece which are sequentially connected into a whole from left to right; the inner diameter of the first straight pipe piece and the inner diameter of the third straight pipe piece are both smaller than the inner diameter of the second straight pipe piece; glue injection openings are formed in the side wall of the first transition duct piece and the side wall of the second transition duct piece.
During the installation, at first with two first straight section of jurisdiction covers in the right-hand member portion of branch's pipe fitting, after that with the straight section of jurisdiction of third cover in the left end portion of second pipeline, then will two outer section of jurisdiction lock joints through protruding edges and strip draw-in groove, then through the inner chamber that the injecting glue mouth outwards sealed the pipe fill insulation material (or anticorrosive material), form the functional protection layer, accomplish the installation of outer seal pipe from this. The outer segment structure of sealing of sectional type design and filling insulation material (or anticorrosive material) have further promoted this device that recalls's suitability, durability and simple operation nature.
The inner sleeve is in a straight pipe shape; the outer sleeve comprises a left straight pipe section and a right straight pipe section which are distributed left and right and are connected into a whole, and the inner diameter of the left straight pipe section is larger than that of the right straight pipe section.
The two-section structural design of the outer sleeve can limit the moving position of the inner sleeve, prevent the inner sleeve from sliding out of the inner cavity of the outer sleeve, and further improve the structural reliability of the recovery device.
The number of the positioning ear plates is three; the number of the sealing rubber rings positioned between the inner sleeve and the outer sleeve is two.
The inner sleeve and the outer sleeve are both made of steel; the outer sealing pipe is made of hard plastics; the functional protective layer is made of foam sealant.
The utility model has the advantages of reasonable design reliably, the compound expert of branch pipe fitting and second pipeline has been realized, and length is adjustable, can be applicable to the different operating modes of branch pipe fitting and second pipeline clearance width, can be applicable to between the pipeline of socket joint connection or flange joint simultaneously, the suitability further promotes, adjust the simple operation, outer pillar easy to assemble, the convenient packing of function protective layer, the installation convenience of this compound expert device has been increased, and then the installation effectiveness has been improved, it is sealed effectual to have, low in manufacturing cost, the practicality is strong advantage, can be applied to the compound expert of push pipe branch section, can be applied to the pipeline restoration after the old pipeline is damaged simultaneously and have set up branch on the pipeline newly, the installation of pipe fittings such as valve.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic view of the present invention with a flange;
FIG. 6 is a schematic structural view of the outer tube of the present invention;
FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 6;
FIG. 8 is an enlarged partial schematic view at D of FIG. 7;
FIG. 9 is a schematic structural view of the disk bearing nozzle stub of the present invention;
FIG. 10 is a schematic structural view of the central plug spool of the present invention;
in the figure, 1-inner sleeve pipe, 2-outer sleeve pipe, 3-sealing rubber ring, 4-positioning lug plate, 5-baffle plate, 6-adjusting bolt, 7-fixing plate, 8-functional protective layer, 9-bearing pipe, 10-splicing pipe, 11-flange plate, 12-outer sealing pipe piece, 12 a-first straight pipe piece, 12 b-first transition pipe piece, 12 c-second straight pipe piece, 12 d-second transition pipe piece, 12 e-third straight pipe piece, 13-convex rib, 14-strip clamping groove, 15-glue injection port, 16-branch pipe piece, 17-first pipeline, 18-second pipeline, 19-coiling short pipe and 20-coiling short pipe.
Detailed Description
A telescopic recanalization device for pipeline connection comprises an inner sleeve 1 and an outer sleeve 2, wherein the right part of the inner sleeve 1 is penetrated in the left part of the outer sleeve 2, and a plurality of sealing rubber rings 3 distributed left and right are arranged at the joint part of the inner sleeve 1 and the outer sleeve; a plurality of longitudinally upright positioning ear plates 4 which are equidistantly distributed along the circumferential direction are fixed at the left part of the outer side wall of the inner sleeve 1; the left side of each positioning ear plate 4 is provided with a baffle plate 5 which is arranged in parallel with the positioning ear plate and is fixed on the outer side wall of the inner sleeve 1; each positioning ear plate 4 is provided with a regulating bolt 6 which is provided with a left end face closely attached to the right surface of the baffle 5 and is transversely arranged; a plurality of fixing plates 7 which are opposite to the positioning ear plates 4 left and right and are provided with screw holes are fixed at the right part of the outer side wall of the outer sleeve 2, and the tail parts of the adjusting bolts 6 are screwed in the screw holes of the fixing plates 7 in a one-to-one correspondence manner; the left end part of the inner sleeve 1 is provided with a first connecting mechanism; the right end of the outer sleeve 2 is provided with a second connecting mechanism.
The outside of interior sleeve pipe 1, the outside of outer tube 2 are overlapped jointly and are equipped with pipy outer tube, and be provided with annular function protective layer 8 between the inside wall of outer tube and the lateral wall of interior sleeve pipe 1, between the inside wall of outer tube and the lateral wall of outer tube 2 jointly.
The first connecting mechanism is a bearing pipe 9 which is arranged integrally with the inner sleeve 1; the second connecting mechanism is a plug-in pipe 10 which is integrated with the outer sleeve 2.
The first connecting mechanism and the second connecting mechanism are both vertical flanges 11.
The outer sealing pipe consists of two arc-shaped outer sealing pipe pieces 12 which are distributed up and down; one end of the inner side wall of the outer sealing segment 12 in the front-back direction is integrally provided with a rib strip 13 which is transversely arranged, and the other end is integrally provided with a strip-shaped clamping groove 14 which is transversely arranged and matched with the rib strip 13 in shape; the rib strips 13 and the strip-shaped clamping grooves 14 of the two outer sealing pipe pieces 12 are arranged in an exchangeable mode and are matched with each other.
The outer duct piece 12 comprises a first straight duct piece 12a, a first transition duct piece 12b, a second straight duct piece 12c, a second transition duct piece 12d and a third straight duct piece 12e which are sequentially connected into a whole from left to right; the inner diameter of the first straight tube piece 12a and the inner diameter of the third straight tube piece 12e are both smaller than the inner diameter of the second straight tube piece 12 c; glue injection openings 15 are formed in the side wall of the first transition duct piece 12b and the side wall of the second transition duct piece 12 d.
The inner sleeve 1 is in a straight pipe shape; the outer sleeve 2 comprises a left straight pipe section and a right straight pipe section which are distributed left and right and are connected into a whole, and the inner diameter of the left straight pipe section is larger than that of the right straight pipe section.
The number of the positioning ear plates 4 is three; the number of the sealing rubber rings 3 positioned between the inner sleeve 1 and the outer sleeve 2 is two.
The inner sleeve 1 and the outer sleeve 2 are both made of steel; the outer sealing pipe is made of hard plastics; the functional protective layer 8 is made of a foam sealant.
In a specific implementation process, the branch pipe fitting 16 is a three-way joint or a valve; sealing rubber rings I are arranged between the splicing parts of the adapting pipe 9 and the branch pipe fitting 16 and between the splicing pipe 10 and the adapting part of the second pipeline 18; the left part of the screw rod section of the adjusting bolt 6 is of a smooth structure, and the right part of the screw rod section of the adjusting bolt is of a threaded structure; the structural schematic diagram of the disk bearing short pipe 19 is shown in fig. 9; the structure of the disk spool 20 is schematically shown in fig. 10.
Claims (9)
1. The utility model provides a telescopic device that recalls for pipe connection which characterized in that: the sealing device comprises an inner sleeve (1) and an outer sleeve (2), wherein the right part of the inner sleeve (1) penetrates through the left part of the outer sleeve (2), and a plurality of sealing rubber rings (3) distributed left and right are arranged at the joint part of the inner sleeve and the outer sleeve; a plurality of positioning ear plates (4) which are distributed equidistantly along the circumferential direction and are vertical in the longitudinal direction are fixed at the left part of the outer side wall of the inner sleeve (1); the left side of each positioning ear plate (4) is provided with a baffle (5) which is arranged in parallel with the positioning ear plate and is fixed on the outer side wall of the inner sleeve (1); each positioning ear plate (4) is provided with a regulating bolt (6) which is penetrated through and the left end surface of which is tightly attached to the right surface of the baffle plate (5) and is transversely arranged; a plurality of fixing plates (7) which are right opposite to the positioning lug plates (4) one by one and are provided with screw holes are fixed at the right part of the outer side wall of the outer sleeve (2), and the tail parts of the adjusting bolts (6) are screwed in the screw holes of the fixing plates (7) one by one; the left end part of the inner sleeve (1) is provided with a first connecting mechanism; the right end part of the outer sleeve (2) is provided with a second connecting mechanism.
2. A retractable recanalization device for pipe connections according to claim 1, characterized in that: the outside of interior sleeve pipe (1), the outside of outer tube (2) are overlapped jointly and are equipped with pipy outer tube, are provided with annular function protective layer (8) between the inside wall of outer tube and the lateral wall of interior sleeve pipe (1), between the inside wall of outer tube and the lateral wall of outer tube (2) jointly.
3. A retractable recanalization device for pipe connections according to claim 1, characterized in that: the first connecting mechanism is a bearing pipe (9) which is integrally arranged with the inner sleeve (1); the second connecting mechanism is an inserting pipe (10) which is integrated with the outer sleeve (2).
4. A retractable recanalization device for pipe connections according to claim 1, characterized in that: the first connecting mechanism and the second connecting mechanism are both vertical flanges (11).
5. A retractable recanalization device for pipe connections according to claim 2, characterized in that: the outer sealing pipe consists of two arc-shaped outer sealing pipe pieces (12) which are distributed up and down; one end of the inner side wall of the outer sealing duct piece (12) in the front-back direction is integrally provided with a transverse convex rib (13), and the other end is integrally provided with a transverse strip-shaped clamping groove (14) matched with the convex rib (13) in shape; the rib strips (13) and the strip-shaped clamping grooves (14) of the two outer sealing pipe pieces (12) are arranged in an exchange way and are matched with each other.
6. A retractable recanalization device for pipe connections according to claim 5, characterized in that: the outer sealing pipe piece (12) comprises a first straight pipe piece (12 a), a first transition pipe piece (12 b), a second straight pipe piece (12 c), a second transition pipe piece (12 d) and a third straight pipe piece (12 e) which are sequentially connected into a whole from left to right; the inner diameter of the first straight pipe piece (12 a) and the inner diameter of the third straight pipe piece (12 e) are both smaller than the inner diameter of the second straight pipe piece (12 c); glue injection openings (15) are formed in the side wall of the first transition duct piece (12 b) and the side wall of the second transition duct piece (12 d).
7. A retractable recanalization device for pipe connections according to claim 1, characterized in that: the inner sleeve (1) is in a straight pipe shape; the outer sleeve (2) comprises a left straight pipe section and a right straight pipe section which are distributed left and right and are connected into a whole, and the inner diameter of the left straight pipe section is larger than that of the right straight pipe section.
8. A retractable recanalization device for pipe connections according to claim 1, characterized in that: the number of the positioning ear plates (4) is three; the number of the sealing rubber rings (3) positioned between the inner sleeve (1) and the outer sleeve (2) is two.
9. A retractable recanalization device for pipe connections according to claim 2, characterized in that: the inner sleeve (1) and the outer sleeve (2) are both made of steel; the outer sealing pipe is made of hard plastics; the functional protective layer (8) is made of foam sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023298130.8U CN214037301U (en) | 2020-12-31 | 2020-12-31 | Telescopic re-connection device for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023298130.8U CN214037301U (en) | 2020-12-31 | 2020-12-31 | Telescopic re-connection device for pipeline connection |
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| Publication Number | Publication Date |
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| CN214037301U true CN214037301U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023298130.8U Active CN214037301U (en) | 2020-12-31 | 2020-12-31 | Telescopic re-connection device for pipeline connection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738578A (en) * | 2022-03-11 | 2022-07-12 | 贵州乌江水电开发有限责任公司 | Butt joint oil pipe for power plant |
-
2020
- 2020-12-31 CN CN202023298130.8U patent/CN214037301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738578A (en) * | 2022-03-11 | 2022-07-12 | 贵州乌江水电开发有限责任公司 | Butt joint oil pipe for power plant |
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