CN211205743U - Movable sealing mechanism for external pressure test of pipeline - Google Patents
Movable sealing mechanism for external pressure test of pipeline Download PDFInfo
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- CN211205743U CN211205743U CN202021141220.3U CN202021141220U CN211205743U CN 211205743 U CN211205743 U CN 211205743U CN 202021141220 U CN202021141220 U CN 202021141220U CN 211205743 U CN211205743 U CN 211205743U
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- pressure test
- sealing sleeve
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Abstract
The utility model provides a portable sealing mechanism that external pressure test of pipeline used for solve the inconvenient problem of external pressure test among the prior art. The method comprises the following steps: the guide rail is fixed in a hanging mode, a rack is fixed on the guide rail, and the rack is parallel to the guide rail; the moving frame is hung on the guide rail through a first roller and can slide along the guide rail; the driving shaft is rotatably arranged on the movable frame and is perpendicular to the guide rail, a driving gear is sleeved on the driving shaft, and the driving gear is meshed with the rack; the translation driving part is arranged on the moving frame and drives the driving shaft to rotate; the sealing sleeve is installed on the moving frame, the two ends of the sealing sleeve are opened, sealing expansion rings are arranged in the two ends of the sealing sleeve, the sealing expansion rings are communicated with the air pump, and a water inlet and a water outlet are further formed in the sealing sleeve. So that the external pressure test is convenient and fast.
Description
Technical Field
The utility model relates to a petroleum pipeline test field especially relates to a portable sealing mechanism of experimental usefulness of pipeline external pressure.
Background
The epoxy glass fiber reinforced plastic pipeline can only carry out an internal pressure hydraulic test before leaving a factory, but cannot carry out an external pressure hydraulic test; and can not be performed according to a specified length; general external pressure hydrostatic test needs both ends to add the end cap, then beats in putting into the airtight box, generally can cause the box volume too big, operates complicacy, therefore needs to design a simple to operate, and can realize the pipeline external pressure test equipment who beats fast.
Disclosure of Invention
In view of the above shortcomings in the prior art, an object of the present invention is to provide a movable sealing mechanism for external pressure test of a pipeline, which is used for solving the problem of inconvenience of the external pressure test in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a movable sealing mechanism for external pressure test of a pipeline, including:
the guide rail is fixed in a hanging mode, a rack is fixed on the guide rail, and the rack is parallel to the guide rail;
the moving frame is hung on the guide rail through a first roller and can slide along the guide rail;
the driving shaft is rotatably arranged on the movable frame and is perpendicular to the guide rail, a driving gear is sleeved on the driving shaft, and the driving gear is meshed with the rack;
the translation driving part is arranged on the moving frame and drives the driving shaft to rotate;
the sealing sleeve is installed on the moving frame, the two ends of the sealing sleeve are open, sealing expansion rings are arranged in the two ends of the sealing sleeve, the sealing expansion rings are communicated with the air pump, and a water inlet and a water outlet are further formed in the sealing sleeve.
Optionally, a guide surface is arranged on the lower side of the guide rail, a second roller is sleeved on the driving shaft and matched with the guide surface, and the first roller and the second roller form an upper and lower clamping structure.
Optionally, the driving shaft is rotatably mounted on the movable frame through at least two sets of bearings and bearing seats.
Optionally, the translation driving member directly drives the driving shaft to rotate, or the translation driving member drives the driving shaft to rotate through a transmission mechanism.
Optionally, there is not more than one sealing expansion ring at two ends of the sealing sleeve, and the sealing expansion rings are arranged in the axial direction of the sealing sleeve.
Optionally, the sealing sleeve is detachably mounted on the movable frame.
Optionally, the sealing sleeve is detachably mounted on the moving frame through a clamping mechanism;
fixture includes half first arc board and half second arc board, the circumference both ends of half first arc board are equipped with first connecting plate, the circumference both ends of half second arc board are equipped with the second connecting plate, first connecting plate and second connecting plate pass through the fastener and can dismantle fixedly.
Optionally, the fastener is a bolt or a snap.
Optionally, the pressure of the water inlet and the water outlet is less than the pressure of the sealing expansion ring.
As described above, the utility model discloses a portable sealing mechanism that experimental usefulness of pipeline external pressure has following beneficial effect at least:
through the design of the sealed circle that expands at sealed sleeve both ends for sealed sleeve does not overlap when the pipeline is outside, sealed circle that expands is in the contraction state, after emboliaing the pipeline, to ventilating in the sealed circle that expands, make sealed circle expansion, realize in the sealed sleeve and the pipeline between outer formation confined space, to the confined space in water-passing can accomplish the external pressure test, through the guide rail and remove structural design such as frame, make sealed sleeve can realize automatic translation when emboliaing the pipeline. The design of the sealing sleeve can realize external pressure test at any position on the pipeline, and the occupied volume is small.
Drawings
Fig. 1 is a schematic side view of the movable sealing mechanism for external pressure test of pipes according to the present invention.
Fig. 2 shows a schematic view of the sealing sleeve according to the present invention.
Fig. 3 is a schematic front view of the movable sealing mechanism for external pressure test of pipeline according to the present invention.
Element number description: guide rail 11, carriage 12, drive shaft 13, translation driving piece 14, sealed sleeve 15, rack 121, first gyro wheel 122, drive gear 131, sealed expanding ring 151, water inlet 152, delivery port 153, pipeline 16, second gyro wheel 132, bearing frame 132, fixture 154, first half arc board 1541, second half arc board 1542, first connecting plate 15411, second connecting plate 15421, bolt 1543.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that can be achieved. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1 to 3, an embodiment of a movable sealing mechanism for external pressure test of a pipeline according to the present invention includes: the device comprises a guide rail 11, a moving frame 12, a driving shaft 13, a translational driving part 14 and a sealing sleeve 15, wherein the guide rail 11 is fixed in a suspended manner, a rack 121 is fixed on the guide rail 11, and the rack 121 is parallel to the guide rail 11; the moving frame 12 is suspended on the guide rail 11 by a first roller 122, and the moving frame 12 can slide along the guide rail 11; the driving shaft 13 is rotatably mounted on the moving frame 12, the driving shaft 13 is perpendicular to the guide rail 11, a driving gear 131 is sleeved on the driving shaft 13, and the driving gear 131 is meshed with the rack 121; the translation driving part 14 is mounted on the moving frame 12, and the translation driving part 14 drives the driving shaft 13 to rotate; the utility model discloses a sealed movable rack 12, including sealed sleeve 15, sealed sleeve 15 is installed on movable rack 12, the both ends of sealed sleeve 15 are all opened, be equipped with sealed expanding ring 151 in the both ends of sealed sleeve 15, sealed expanding ring 151 and air pump intercommunication, still be equipped with water inlet 152 and delivery port 153 on the sealed sleeve 15. Through the design of the sealed swell ring 151 at the both ends of the sealed sleeve 15, make the sealed sleeve 15 not overlap when the pipeline is outside, sealed swell ring 151 is in the contraction state, after emboliaing pipeline 16, ventilate in the sealed swell ring 151, make sealed swell ring 151 inflation, it is concrete can go into sealed swell ring 151 with the air pump in, can cooperate the valve to carry out the cut-off control simultaneously, realize in the sealed sleeve 15 and pipeline 16 between outer sealed space that forms, to leading to water can accomplish external pressure test in the sealed space, the external pressure test of arbitrary position on the pipeline can be realized to this kind of design of sealed sleeve, and it is small to occupy. Through the structural design of the guide rail 11 and the moving frame 12, the sealing sleeve 15 can automatically translate when being sleeved on the pipeline 16. Specifically, the translation driving element 14 may be selected as a motor, the translation driving element 14 drives the driving shaft 13 to rotate, the driving shaft 13 drives the driving gear 131 to rotate, the driving gear 131 is engaged with the rack 121, the driving gear 131 rolls on the rack 121, that is, the moving rack 12 is driven to move on a sliding rail, and the moving rack 12 can realize that the sealing sleeve 15 is sleeved on the pipeline 16 or separated from the pipeline 16 in the moving process.
In this embodiment, referring to fig. 1, a guide surface is disposed on a lower side of the guide rail 11, a second roller 132 is sleeved on the driving shaft 13, the second roller 132 is matched with the guide surface, and the first roller 122 and the second roller 132 form an up-and-down clamping structure. The upper and lower clamping structure enables the guide rail 11 to move up more stably and reliably.
In this embodiment, referring to fig. 1, the driving shaft 13 is rotatably mounted on the moving frame 12 through at least two sets of bearings and bearing seats 132. The installation of the driving shaft 13 and the movable frame 12 is realized through the matching of a plurality of groups of bearings and the bearing seats 132, so that the relative position between the driving shafts 13 can be fixed, the deviation swing is not easy to occur, and meanwhile, more stress points are arranged to reduce the pressure bearing of a single bearing.
In this embodiment, referring to fig. 1, the translation driving component 14 drives the driving shaft 13 to rotate through a transmission mechanism, and the transmission mechanism has two functions, namely, the direction of output can be changed, and the speed of output can be changed, which can be configured according to actual requirements.
In another embodiment, the translational drive member 14 may directly drive the rotation of the drive shaft 13.
In this embodiment, referring to fig. 2, there is more than one expansion seal ring 151 at two ends of the sealing sleeve 15, and each of the expansion seal rings 151 is arranged in the axial direction of the sealing sleeve 15. The multiple sealing expansion rings 151 can realize multilayer sealing, and the sealing effect is guaranteed, so that the accuracy of the external pressure test result is guaranteed, and in fig. 2, two sealing expansion rings 151 are respectively arranged at two ends of the sealing sleeve 15.
In this embodiment, referring to fig. 2, the sealing sleeve 15 is detachably mounted on the moving frame 12. Optionally, the sealing sleeve 15 is detachably mounted on the movable frame 12 through a clamping mechanism 154; the clamping mechanism 154 comprises a first half arc plate 1541 and a second half arc plate 1542, wherein first connecting plates 15411 are arranged at two circumferential ends of the first half arc plate 1541, second connecting plates 15421 are arranged at two circumferential ends of the second half arc plate 1542, and the first connecting plates 15411 and the second connecting plates 15421 are detachably fixed through fasteners. Optionally, the fastener is a bolt 1543 or a snap. Through detachable construction installation sealing sleeve 15 for sealing sleeve 15 can be easy to assemble and maintenance change, for example after using many times, sealing swell ring 151 damages and needs to change sealing sleeve 15 or change sealing swell ring 151 alone.
In this embodiment, the pressure of the water inlet 152 and the water outlet 153 is less than the pressure of the sealing expansion ring 151. Guarantee that sealed swell ring 151 can be in sealed state all the time at the during operation, avoid water pressure to collapse the leakage with sealed swell ring 151.
To sum up, the utility model discloses a design of the sealed swell ring 151 at 15 both ends of sealed sleeve for sealed sleeve 15 does not overlap when the pipeline 16 is outer, sealed swell ring 151 is in the contraction state, after emboliaing pipeline 16, ventilate in the sealed swell ring 151, make sealed swell ring 151 inflation, realize in the sealed sleeve 15 and pipeline 16 between outer formation confined space, to can accomplish external pressure test to leading to water in the confined space, through guide rail 11 and removal frame 12 class structural design, make sealed sleeve 15 can realize automatic translation when emboliaing pipeline 16 on. The design of the sealing sleeve can realize external pressure test at any position on the pipeline, and the occupied volume is small. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a portable sealing mechanism that experimental usefulness of pipeline external pressure which characterized in that includes:
the guide rail is fixed in a hanging mode, a rack is fixed on the guide rail, and the rack is parallel to the guide rail;
the moving frame is hung on the guide rail through a first roller and can slide along the guide rail;
the driving shaft is rotatably arranged on the movable frame and is perpendicular to the guide rail, a driving gear is sleeved on the driving shaft, and the driving gear is meshed with the rack;
the translation driving part is arranged on the moving frame and drives the driving shaft to rotate;
the sealing sleeve is installed on the moving frame, the two ends of the sealing sleeve are open, sealing expansion rings are arranged in the two ends of the sealing sleeve, the sealing expansion rings are communicated with the air pump, and a water inlet and a water outlet are further formed in the sealing sleeve.
2. A movable sealing mechanism for external pipe pressure test as claimed in claim 1, wherein: the guide rail downside is equipped with the spigot surface, the cover has the second gyro wheel on the drive shaft, the second gyro wheel with the spigot surface cooperation, first gyro wheel with the second gyro wheel forms upper and lower clamping structure.
3. A movable sealing mechanism for external pipe pressure test as claimed in claim 1, wherein: the driving shaft is rotatably arranged on the movable frame at least through two groups of bearings and bearing seats in a matched mode.
4. A movable sealing mechanism for external pipe pressure test as claimed in claim 1, wherein: the translation driving part directly drives the driving shaft to rotate, or the translation driving part drives the driving shaft to rotate through a transmission mechanism.
5. A movable sealing mechanism for external pipe pressure test as claimed in claim 1, wherein: the sealing sleeve is characterized in that the number of the sealing expansion rings at two ends of the sealing sleeve is not more than one, and the sealing expansion rings are arranged in the axial direction of the sealing sleeve.
6. A movable sealing mechanism for external pipe pressure test as claimed in claim 1, wherein: the sealing sleeve is detachably mounted on the movable frame.
7. The movable sealing mechanism for external pipe pressure test as claimed in claim 6, wherein: the sealing sleeve is detachably arranged on the movable frame through a clamping mechanism;
fixture includes half first arc board and half second arc board, the circumference both ends of half first arc board are equipped with first connecting plate, the circumference both ends of half second arc board are equipped with the second connecting plate, first connecting plate and second connecting plate pass through the fastener and can dismantle fixedly.
8. A movable sealing mechanism for external pipe pressure test as claimed in claim 7, wherein: the fastener is a bolt or a buckle.
9. A movable sealing mechanism for external pipe pressure test as claimed in claim 1, wherein: the pressure of the water inlet and the water outlet is smaller than that of the sealing expansion ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141220.3U CN211205743U (en) | 2020-06-19 | 2020-06-19 | Movable sealing mechanism for external pressure test of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141220.3U CN211205743U (en) | 2020-06-19 | 2020-06-19 | Movable sealing mechanism for external pressure test of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211205743U true CN211205743U (en) | 2020-08-07 |
Family
ID=71856363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021141220.3U Active CN211205743U (en) | 2020-06-19 | 2020-06-19 | Movable sealing mechanism for external pressure test of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211205743U (en) |
-
2020
- 2020-06-19 CN CN202021141220.3U patent/CN211205743U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 2, No.86, Beiyi Road, Dongying Development Zone, Shandong Province, 257055 Patentee after: Shengli new big new materials Co., Ltd Address before: 257055 No. 86 Beiyi Road, Dongying Development Zone, Shandong Province Patentee before: SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |