CN204372442U - Pipeline non-excavation rehabilitation sleeve - Google Patents
Pipeline non-excavation rehabilitation sleeve Download PDFInfo
- Publication number
- CN204372442U CN204372442U CN201420846127.0U CN201420846127U CN204372442U CN 204372442 U CN204372442 U CN 204372442U CN 201420846127 U CN201420846127 U CN 201420846127U CN 204372442 U CN204372442 U CN 204372442U
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- China
- Prior art keywords
- seal circle
- cartridge seal
- sleeve
- support ring
- end support
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Abstract
The utility model embodiment discloses a kind of pipeline non-excavation rehabilitation sleeve, and comprise cartridge seal circle and be positioned at two end support rings of described cartridge seal circle inner chamber, two described end support rings are supported on two sealed ends of described cartridge seal circle respectively.Described end support ring is the circular ring with inner-walls of duct shape adaptation, and is provided with gap; Described opening position is provided with two parallel adjustment sheets; Described adjustment sheet is positioned at the inner side of described end support ring, and is provided with tapped hole; Described pipeline non-excavation rehabilitation sleeve also comprises screw rod, and the thread rotary orientation of the screw section at the two ends of described screw rod is contrary, and coordinates with the described tapped hole being positioned at same one end respectively.Above-mentioned pipeline non-excavation rehabilitation sleeve can solve in background technique adopt be buckled in the radial dimension that the non-excavation rehabilitation sleeve that slides regulating sleeve radial dimension in the gap with unidirectional toothing exists can only the problem of unidirectional adjustment.
Description
Technical field
The utility model relates to Trenchless Technology for Pipe Rehabilitation field, more specifically, relates to a kind of pipeline non-excavation rehabilitation sleeve.
Background technique
Along with urban duct long-time running, pipeline occurs that breakage, pipeline junction mismatch and disconnection isostructuralism problem more and more highlight.If repaired in time, serious negative effect will inevitably be caused to environment and economic society.Trenchless rehabilitation is more common reparation means, but this mode to there is efficiency low, shortcomings such as cost is high, and environmental pollution is large, and trenchless rehabilitation can bring larger pressure to urban transportation.Therefore non-excavation rehabilitation, economy, low environmental impact efficient with it and day by day being favored, and then become a new tool of pipeline rehabilitation.
Non-excavation repairing technique, both can complete the entirety reparation of whole segment pipe, also can complete the local route repair for concrete rejected region.At present in local route repair field, what abroad adopt is stainless steel repairing sleeve, is lining in inner-walls of duct place to be repaired by it, by keeping the incompatible object reaching local route repair of sealing paste between sleeve and inner-walls of duct.The domestic technology also having this respect, as application number a kind of stainless steel sleeve being applied to pipeline rehabilitation disclosed in 201310306314.X.But above-mentioned disclosed sleeve adopts to be buckled in be had the mode slided in the gap of unidirectional toothing and carry out regulating sleeve radial dimension, this causes sleeve radial dimension unidirectionally to regulate, and namely can only expand and cannot shrink.Use above-mentioned sleeve just to require to need sleeve for subsequent use during repairing construction, to replace the sleeve that cannot use because radial dimension adjustment is excessive, cause efficiency of construction to be affected.
In sum, the radial dimension how solving non-excavation rehabilitation sleeve can only the problem of unidirectional adjustment be those skilled in the art's technical problems urgently to be resolved hurrily.
Model utility content
In view of this, the utility model provides a kind of pipeline non-excavation rehabilitation sleeve, can only the problem of unidirectional adjustment to solve the pipeline non-excavation rehabilitation sleeve radial dimension mentioned in background technique.
In order to solve the problems of the technologies described above, the utility model provides following technological scheme:
Pipeline non-excavation rehabilitation sleeve, comprise cartridge seal circle and be positioned at two end support rings of described cartridge seal circle inner chamber, two described end support rings are supported on two sealed ends of described cartridge seal circle respectively; Described end support ring is the circular ring with inner-walls of duct shape adaptation, and is provided with gap; Described opening position is provided with two parallel adjustment sheets; Described adjustment sheet is positioned at the inner side of described end support ring, and is provided with tapped hole; Described pipeline non-excavation rehabilitation sleeve also comprises screw rod, and the thread rotary orientation of the screw section at the two ends of described screw rod is contrary, and coordinates respectively at the described tapped hole being positioned at same one end.
Preferably, described cartridge seal circle is EPT rubber packing circle, nitrile butadiene rubber seal ring or polyvinylfluoride seal ring.
Preferably, described cartridge seal circle is provided with charging air inlet, and described charging air inlet is provided with the first sealing plug.
Preferably, described cartridge seal circle is provided with feeding port, and described feeding port is provided with the second sealing plug.
Preferably, arrange projection between two sealed ends of described cartridge seal circle, described projection is towards the outside of described cartridge seal circle.
Preferably, the sealed end of described cartridge seal circle has the groove coordinated with described end support ring.
Preferably, described sleeve also comprises between two described end support rings, and supports with the inwall of described cartridge seal circle the intermediate support ring coordinated.
Preferably, described sleeve also comprises and being arranged on described screw rod and nut between two described screw sections.
The beneficial effect of the pipeline non-excavation rehabilitation sleeve that the utility model provides is as follows:
Intert sleeve in pipeline to be repaired, and make defect to be repaired be between two end support rings of sleeve; Twist the screw rod of two end support ring opening positions, the radial direction realizing end support ring is opened, make end support ring by two of cartridge seal circle sealed end support compression in inner-walls of duct to be repaired, thus cartridge seal circle is sealed on inner-walls of duct to be repaired, namely make sleeve become the new liner in defect of pipeline place to be repaired, realize the non-excavation rehabilitation effect of the sleeve that the utility model provides.
Known by above-mentioned beneficial effect, the radial direction that turn-knob screw rod can realize end support ring is opened or is shunk, and then realize realizing bidirectional modulation to the size of end support ring, the non-excavation rehabilitation sleeve sliding regulating sleeve radial dimension in the gap with unidirectional toothing is buckled in compared to the employing in background technique, the sleeve that the utility model provides can solve sleeve dimensions can only the problem of unidirectional adjustment, and regulative mode is simply effective, the sleeve using the utility model to provide when repairing construction without the need to sleeve for subsequent use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Schematic diagram during the pipeline non-excavation rehabilitation sleeve work that Fig. 1 provides for the utility model embodiment;
A kind of structural representation of the end support ring that Fig. 2 provides for the utility model embodiment;
The another kind of structural representation of the end support ring that Fig. 3 provides for the utility model embodiment;
The part-structure schematic diagram of the cartridge seal circle that Fig. 4 provides for the utility model embodiment;
The part-structure schematic diagram of the cartridge seal circle that Fig. 5 provides for the utility model embodiment.
In upper Fig. 1-5: 11, end support ring; 12 cartridge seal circles; 13 charging air inlets; 14 feeding ports; 101, adjustment sheet; 102 nuts; 103, screw rod; 201, groove; 202, projection.
Embodiment
The utility model embodiment provides a kind of pipeline non-excavation rehabilitation sleeve, solve the employing introduced in background technique be buckled in the radial dimension that the non-excavation rehabilitation sleeve that slides regulating sleeve radial dimension in the gap with unidirectional toothing exists can only the problem of unidirectional adjustment.
Technological scheme in the utility model embodiment is understood better in order to make those skilled in the art person, and enable the above-mentioned purpose of the utility model embodiment, feature and advantage become apparent more, below in conjunction with accompanying drawing, the technological scheme in the utility model embodiment is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The pipeline non-excavation rehabilitation sleeve that the utility model embodiment provides can be applied in the non-excavation rehabilitation field of the pipeline such as ventilation, logical oil, water flowing.The bore of sleeve bore and existing pipeline is adaptive, can be used for the entirety reparation of pipeline, also may be used for the local route repair of pipeline.The utility model embodiment is not restricted the applied environment of pipeline non-excavation rehabilitation sleeve.
Please refer to Fig. 1, the pipeline non-excavation rehabilitation sleeve that the utility model embodiment provides, comprise cartridge seal circle 12, two end support rings 11 and screw rod 103.Wherein, cartridge seal circle 12 is flexible seal ring, and in the process of pipeline non-excavation rehabilitation, cartridge seal circle 12 is attached to the position to be repaired of inner-walls of duct, for the breakage spot of closed conduit.Two end support rings 11 are arranged in the inner chamber of cartridge seal circle 12, and be supported on two sealed ends of cartridge seal circle 12 respectively, and then the sealing realizing cartridge seal circle 12 and inner-walls of duct position to be repaired is adjacent to, certainly, in the process that cartridge seal circle 12 is installed, those skilled in the art need the size suitably adjusting cartridge seal circle 12 according to the size at position to be repaired, and then make after cartridge seal circle 12 installation, the position to be repaired of pipeline is corresponding with the position of cartridge seal circle 12 between two end support rings 11, and then reach end support ring 11 support tubular seal ring 12 with realize sealing.
Incorporated by reference to a kind of structure showing the end support ring 11 that the utility model embodiment provides with reference to figure 2, Fig. 2.Pipeline is generally circular pipe, therefore the end support ring 11 that the utility model embodiment provides is the circular ring suitable with inner-walls of duct shape, and end support ring 11 is provided with gap, gap is used for the diameter of adjustment end support ring 11, and then can the size of adjustment end support ring 11 in pipeline.Opening position is provided with the inner side that two parallel adjustment sheet 101, two adjustment sheets 101 are positioned at end support ring 11, and adjustment sheet 101 is provided with tapped hole.The two ends of screw rod 103 are provided with screw section, and the thread rotary orientation of the screw section at two ends is contrary, and the screw section of screw rod 103 all can coordinate with the tapped hole on the adjustment sheet 101 being positioned at same one end.After screw rod 103 realizes being connected with two adjustment sheets 101 by screw-thread fit, rotary screw 103 can realize the close of two adjustment sheets 101 and away from, and then the opening dimension of whole end support ring 11 can be regulated.After the opening dimension regulating end support ring 11, can to leave unused screw thread side nut at screw rod 103, nut is made to be close to adjustment sheet 101, further secured adjusted sheet 101, thus the support compression effect guaranteeing whole end support ring 11 pairs of cartridge seal circles 12 further.
When pipeline non-excavation rehabilitation implemented by the pipeline non-excavation rehabilitation sleeve adopting the utility model embodiment to provide, cartridge seal circle 12 is attached to the position to be repaired of inner-walls of duct, cartridge seal circle 12 is supported in inner-walls of duct in two ends of cartridge seal circle 12 inner chamber by two end support rings 11, in the process that end support ring 11 is installed, operator can regulate the stretching degree of whole end support ring 11 by rotary screw, and then the support compression of adjustment end support ring 11 pairs of cartridge seal circles 12.Visible, the end support ring 11 in the utility model embodiment just can realize its quick mounting by the bidirectional modulation of adjusting screw rod 103.Can only by unidirectional adjustment support ring size compared to sleeve described in background technique, the sleeve that the utility model embodiment provides can the size of bidirectional modulation end support ring 11, and then the efficiency of repairing construction can be improved, and without the need to backup support ring when the sleeve adopting the utility model embodiment to provide carries out pipeline non-excavation rehabilitation.
In the utility model embodiment, cartridge seal circle 12 can be made for rubber material, such as ethylene propylene diene rubber, nitrile butadiene rubber, i.e. EPT rubber packing circle, nitrile butadiene rubber seal ring.Certainly, cartridge seal circle 12 also can be made up of other materials such as polyvinylfluorides.The utility model embodiment does not limit the material of cartridge seal circle 12.Those skilled in the art can adjust the kind of seal ring according to the fitness of environment of reality.Preferably, the material that cartridge seal circle 12 adopts corrosion resistance better, not react with institute's transportation of substances in pipeline is made.
End support ring 11 and cartridge seal circle 12 may along the inwall generation axial floats of cartridge seal circle 12 after making and coordinating, and this has a strong impact on the support effect to cartridge seal circle 12.Incorporated by reference to reference to figure 4, Fig. 4 shows the part-structure schematic diagram of the cartridge seal circle that the utility model embodiment provides, in order to head it off, in the sleeve that the utility model embodiment provides, the sealed end of cartridge seal circle 12 is provided with the groove 201 coordinated with end support ring 11, groove 201 not only can play the effect to end support ring 11 axially locating, can also ensure the support effect of end support ring 11 pairs of cartridge seal circle 12 sealed ends, the setting of groove 201 simultaneously can improve the assembling of cartridge seal circle 12 and end support ring 11.In order to improve support effect further to improve the sealing effect of cartridge seal circle 12, the position arranged outside of cartridge seal circle 12 upper groove 201 correspondence has projection 202, and projection 202 can improve the sealing effect of cartridge seal circle 12 after the compression of end support ring 11 pairs of cartridge seal circles 12.More preferred, between two sealed ends of cartridge seal circle 12, the outside at position is also provided with projection 202, and then can compress effect, the final sealability improving cartridge seal circle 12 further.
At present, pipeline non-excavation rehabilitation sleeve is difficult to the effect detecting sealing after being installed to the position to be repaired of inner-walls of duct, once there is poorly sealed problem, need to stop the transportation work of pipeline again to repair, this can cause rehabilitation cost to increase.In order to head it off, please refer to Fig. 4, in the pipeline non-excavation rehabilitation sleeve that the utility model embodiment provides, cartridge seal circle 12 is provided with charging air inlet 13, charging air inlet 13 is provided with the first sealing plug, and the first sealing plug is used for being sealed and matched with charging air inlet 13.After pipeline non-excavation rehabilitation sleeve installs, operator can smear surface active agent at the two ends of cartridge seal circle 12, whether the surface being observed surface active agent smear layer by charging air inlet 13 inflation has bubble to produce, if there is bubble to occur, then illustrates poorly sealed; If do not have bubble to occur, then good seal is described, and then carries out subsequent operation.Visible, the pipeline non-excavation rehabilitation sleeve that the utility model embodiment provides can realize the detection to repairing effect, ensures the effect of repairing, avoids poorly sealed follow-up repetition thed cause to repair the Cost Problems brought.
Then need when the surperficial gassing of surface active agent to carry out follow-up sealing reparation operation, sealing reparation operation comprises changes whole pipeline non-excavation rehabilitation sleeve again, and other also can be adopted to operate.Visible, please refer to Fig. 5, the cartridge seal circle 12 that the utility model embodiment provides is provided with feeding port 14, feeding port 14 is provided with the second sealing plug, the second sealing plug is used for being sealed and matched with feeding port 14.When the surperficial gassing of surface active agent, operator can open the second sealing plug, fill filler by feeding port 14 in the gap between cartridge seal circle 12 and inner-walls of duct position to be repaired, to solve poorly sealed problem.
In the work progress of reality, when the sleeve that application the utility model embodiment provides carries out non-excavation rehabilitation, if position to be repaired is longer in the extension of pipeline axial, then should chosen axis to larger-size cartridge seal circle 12, the end support ring 11 being now positioned at cartridge seal circle 12 two sealed ends is distant, and then the support effect of end support ring 11 to whole cartridge seal circle 12 may be caused not good.For this reason, the pipeline non-excavation rehabilitation sleeve that the utility model embodiment provides also comprises intermediate support ring, and intermediate support ring is arranged between two end support rings 11, and coordinates with cartridge seal circle 12 effect playing supplemental support.Above-mentioned intermediate support ring can be arranged on any position between two end support rings 11, and contrast the utility model is embodiment be not restricted.Intermediate support ring can be one, and also can be multiple, the utility model be embodiment be not restricted this.In the utility model embodiment, intermediate support ring is identical with the structure of end support ring 11, and the concrete structure of intermediate support ring please refer to and above describes the structure of end support ring 11, repeats no more herein.End support ring 11 and intermediate support ring can adopt the material such as 304 stainless steels, 316 stainless steels to make, the material of the utility model embodiment not confinement end support ring 11 and intermediate support ring.
End support ring 11 needs rotary screw 103 to adjust size in the process of installing, operate for the ease of turn-knob, in the utility model embodiment, nut 102 is also provided with between two screw sections of screw rod 103, nut 102 and screw rod 103 can be fixedly linked by the mode such as welding, and operator can realize the operation to screw rod 103 by instrument turn-knob nuts 102 such as spanners.
Adjustment sheet 101 extends towards the inner side of end support ring 11, and in order to improve the join strength of adjustment sheet 101, the utility model embodiment also comprises the stiffening rib be connected between support ring main body and adjustment sheet 101.
In the utility model embodiment, the gap on end support ring 11 can be one, and also can be multiple, the gap quantity on such as, end support ring 11 shown in Fig. 3 be two.The gap quantity of end support ring is more than one, and than when only having a gap, transport is in the duct flexibly more convenient.The utility model embodiment is not restricted the quantity of gap on each end support ring 11.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. pipeline non-excavation rehabilitation sleeve, comprise cartridge seal circle (12) and be positioned at two end support rings (11) of described cartridge seal circle (12) inner chamber, two described ends support ring (11) are supported on two sealed ends of described cartridge seal circle (12) respectively; It is characterized in that, described end support ring (11) is the circular ring with inner-walls of duct shape adaptation, and is provided with gap; Described opening position is provided with two parallel adjustment sheets (101); Described adjustment sheet (101) is positioned at the inner side of described end support ring (11), and is provided with tapped hole; Described pipeline non-excavation rehabilitation sleeve also comprises screw rod (103), and the thread rotary orientation of the screw section at the two ends of described screw rod (103) is contrary, and coordinates with the described tapped hole being positioned at same one end respectively.
2. sleeve according to claim 1, is characterized in that: described cartridge seal circle (12) is EPT rubber packing circle, nitrile butadiene rubber seal ring or polyvinylfluoride seal ring.
3. sleeve according to claim 2, is characterized in that: described cartridge seal circle (12) is provided with charging air inlet (13), and described charging air inlet (13) is provided with the first sealing plug.
4. sleeve according to claim 3, is characterized in that: described cartridge seal circle (12) is provided with feeding port (14), and described feeding port (14) is provided with the second sealing plug.
5. sleeve as claimed in any of claims 1 to 4, it is characterized in that: arrange projection (202) between two sealed ends of described cartridge seal circle (12), described projection (202) is towards the outside of described cartridge seal circle (12).
6. sleeve according to claim 1, is characterized in that: the sealed end of described cartridge seal circle (12) has the groove (201) coordinated with described end support ring (11).
7. sleeve according to claim 1, is characterized in that: also comprise and being positioned between two described ends support ring (11), and supports with the inwall of described cartridge seal circle (12) the intermediate support ring coordinated.
8. sleeve according to claim 1, is characterized in that: also comprise and be arranged on the upper and nut (102) between two described screw sections of described screw rod (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846127.0U CN204372442U (en) | 2014-12-26 | 2014-12-26 | Pipeline non-excavation rehabilitation sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846127.0U CN204372442U (en) | 2014-12-26 | 2014-12-26 | Pipeline non-excavation rehabilitation sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372442U true CN204372442U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420846127.0U Withdrawn - After Issue CN204372442U (en) | 2014-12-26 | 2014-12-26 | Pipeline non-excavation rehabilitation sleeve |
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| Country | Link |
|---|---|
| CN (1) | CN204372442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500907A (en) * | 2014-12-26 | 2015-04-08 | 湖南大麓管道工程有限公司 | Trenchless pipeline repairing device and trenchless pipeline repairing method |
| CN105822867A (en) * | 2016-05-24 | 2016-08-03 | 马鞍山宏力橡胶制品有限公司 | Internal expansion type rubber sealing ring and application thereof |
-
2014
- 2014-12-26 CN CN201420846127.0U patent/CN204372442U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500907A (en) * | 2014-12-26 | 2015-04-08 | 湖南大麓管道工程有限公司 | Trenchless pipeline repairing device and trenchless pipeline repairing method |
| CN105822867A (en) * | 2016-05-24 | 2016-08-03 | 马鞍山宏力橡胶制品有限公司 | Internal expansion type rubber sealing ring and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |