CN112228650A - Hydraulic engineering pipeline fixing device - Google Patents
Hydraulic engineering pipeline fixing device Download PDFInfo
- Publication number
- CN112228650A CN112228650A CN202011314609.8A CN202011314609A CN112228650A CN 112228650 A CN112228650 A CN 112228650A CN 202011314609 A CN202011314609 A CN 202011314609A CN 112228650 A CN112228650 A CN 112228650A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- pipe
- fixing device
- hydraulic engineering
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000295 complement effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/003—Auxiliary devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Abstract
A hydraulic engineering pipeline fixing device relates to the field of pipe joints or pipe fittings, and comprises a first pipe fitting and a second pipe fitting, wherein one end of the first pipe fitting is radially and convexly provided with an extending part; one end of the second pipe fitting extends into the first pipe fitting, and a first connecting surface is fixedly arranged at the end, which does not extend into the first pipe fitting, of the second pipe fitting; the third pipe fitting is fixedly sleeved outside the second pipe fitting, and one end of the third pipe fitting is fixedly provided with a second connecting surface; a plurality of linkages; the connecting pipe fitting, the connecting pipe fitting cover is located the fixed third of being equipped with of one end of first pipe fitting outer connection pipe fitting and is connected the face, the third connect the face with the second is connected the face and is rotated and telescopic connection, and the other end of connecting the pipe fitting is fixed to be equipped with the fourth and is connected the face. The invention controls the principle of the second pipe fitting or the second pipe fitting to be close to the first pipe fitting through the linkage mechanism, achieves the purpose of extension, makes up the complement that the prior art can not be axially regulated and controlled, and also solves the problem that the original pipeline can not be smoothly connected due to insufficient length of the water conservancy pipeline.
Description
Technical Field
The invention relates to the field of pipe joints or pipe fittings, in particular to a hydraulic engineering pipeline fixing device.
Background
The urban water supply and drainage pipeline generally adopts seamless steel pipe materials, adopts welding, fusion welding or bonding forms to carry out complete sealing connection, realizes the fixed connection of different pipe sections, and ensures that the use process is safe and has no leakage.
However, most of urban water supply facilities in China are old, the technical development of detection level is unbalanced, old pipelines are not standard when laid, and pipelines which are repaired for a long time are easy to crack and leak, according to data in urban construction statistics yearbook, the total water leakage quantity in China in 2010 is up to 2.7552 billion cubic meters, and an extreme condition can occur in the process of replacing the leaking pipelines: the pipe sections at the two ends are not damaged, the pipeline in the middle is replaced, and the new pipeline is not long enough, so that after one end is connected, the other end cannot be normally connected.
In case of such a defect in the length of the pipe, the space available for temporarily welding to increase the length of the pipe is limited, so that a special pipe connector is required for connection and fixation.
Disclosure of Invention
In view of the above situation, the present invention provides a hydraulic engineering pipeline fixing device, which can be adjusted in axial distance to complement the shortage of pipeline length and realize the fixed connection between different pipeline sections.
Its solution is, a hydraulic engineering pipeline fixing device includes: the pipe fitting comprises a first pipe fitting, a second pipe fitting and a third pipe fitting, wherein one end of the first pipe fitting is radially and convexly provided with an extending part; one end of the second pipe fitting extends into one end of the first pipe fitting with the extension part and is connected with the first pipe fitting in a sliding and rotating mode, and a first connecting surface is fixedly arranged at one end, which does not extend into the first pipe fitting, of the second pipe fitting; the third pipe fitting is fixedly sleeved outside the second pipe fitting, one end of the third pipe fitting is fixedly provided with a second connecting surface, and an inward extending part is convexly arranged in the radial direction of the third pipe fitting; a plurality of linkages, the linkages comprising: the rotating shaft is fixedly sleeved with a swinging plate positioned outside the third pipe fitting and a disc part positioned inside the third pipe fitting, the disc part is eccentrically and rotatably connected with a first connecting rod, the axis of the first connecting rod is parallel to the surface of the disc part, the first connecting rod is rotatably connected with a support rod, one end of the support rod vertically penetrates through the inward extending part and is contacted with the outward extending part, two adjacent swinging plates are rotatably connected with the same second connecting rod, and one end of the rotating shaft of one linkage mechanism, which is positioned outside the third pipe fitting, is connected with a driving device; the connecting pipe fitting, connect the pipe fitting cover locate outside the first pipe fitting and with first pipe fitting fixed connection, the fixed third that is equipped with of one end of connecting the pipe fitting is connected the face, the third connect the face with the second is connected the face and is rotated and expansion joint, the fixed fourth that is equipped with of the other end of connecting the pipe fitting is connected the face.
Preferably, drive arrangement includes the worm wheel with pivot coaxial coupling, and the worm wheel meshing has the worm, the third pipe fitting external fixation is equipped with the mounting panel, worm and gear erect on the mounting panel.
Preferably, the outer circular surface of one end of the second pipe fitting, which is connected with the first pipe fitting, is embedded with a backing ring, a first oil ring, a second oil ring, a first carbon ring and a second carbon ring.
Preferably, the third connecting surface is provided with a plurality of arc-shaped slotted holes, the arc-shaped slotted holes are internally provided with optical axes, the optical axes penetrate through the second connecting surface and are in sliding connection with the second connecting surface, and nuts are fixed at two ends of the optical axes.
Preferably, a plurality of arc-shaped slotted holes are formed in the third connecting surface, the second connecting surface is in bolted connection with the third connecting surface, and the arc-shaped slotted holes correspond to the bolt holes of the second connecting surface one to one.
Preferably, the end of the first tube facing away from the outer extension coincides with the inner diameter of the second tube.
The invention has the beneficial effects that:
1. compared with the prior art, the novel hydraulic pipeline has the innovation point that a linkage mechanism and a polished rod can be combined, the second pipe fitting principle is controlled or the second pipe fitting is close to the first pipe fitting through the linkage mechanism, the telescopic purpose is achieved, the supplement that axial regulation and control cannot be carried out in the prior art is made up, and the problem that the original pipeline cannot be smoothly connected due to the fact that the length of the hydraulic pipeline is insufficient is solved;
2. the pin holes are aligned for flange connection pipelines, and the first connection surface can be rotatably adjusted by the rotating function of the third pipeline and the second pipeline, so that the field installation requirement is further met;
3. adopt multiple sealing between first pipe fitting and the second pipe fitting, realized sliding seal and rotary seal simultaneously, ensured that the intraductal fluid of use can not leak.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of I in FIG. 2;
FIG. 4 is an exploded view of the present invention, showing the third tube member;
FIG. 5 is a schematic structural view of a third tubular member;
fig. 6 is a schematic structural view of the linkage mechanism.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-6, the hydraulic engineering pipeline fixing device comprises a first pipe fitting 1, a second pipe fitting 2, a third pipe fitting 3 and a connecting pipe fitting 4, wherein an outer extension part 101 is radially and convexly arranged at one end of the first pipe fitting 1; one end of the second pipe fitting 2 extends into one end of the first pipe fitting 1 with the outer extension part 101 and is connected with the first pipe fitting 1 in a sliding and rotating mode, one end, which does not extend into the first pipe fitting 1, of the second pipe fitting 2 is fixedly provided with a first connecting surface 201, and the first connecting surface 201 is used for being connected with an existing pipeline; the third pipe fitting 3 is fixedly sleeved outside the second pipe fitting 2, one end of the third pipe fitting 3, which is far away from the first pipe fitting 1, is fixed with the second pipe fitting 2, one end of the third pipe fitting 3 is fixedly provided with a second connecting surface 301, and an inward extending part 302 is convexly arranged in the third pipe fitting 3 in the radial direction; the third pipe fitting 3 is provided with a plurality of linkage mechanisms 5, each linkage mechanism 5 comprises a rotating shaft 501 which is radially and rotatably connected with the third pipe fitting 3, the rotating shaft 501 is fixedly sleeved with a swinging plate 502 which is positioned outside the third pipe fitting 3 and a disc part 503 which is positioned inside the third pipe fitting 3, the disc part 503 is eccentrically and rotatably connected with a first connecting rod 504, when the rotating shaft 501 rotates, the disc part 503 coaxially rotates, the axis of the first connecting rod 504 is parallel to the surface of the disc part 503, the first connecting rod 504 is rotatably connected with a supporting rod 505, one end of the supporting rod 505 vertically penetrates through the inward extending part 302 and is contacted with the outward extending part 101, the first connecting rod 504 and the disc part 503 are eccentrically connected, therefore, when the disc part 503 rotates, the first connecting rod can rotate to drive the supporting rod 505 to move, the outward extending part 101 plays a guiding role on the supporting rod 505, so that the supporting rod 505 always moves towards or deviates from the first pipe fitting 1, two adjacent swinging plates 502 are rotatably connected with the same second connecting rod 506, the second connecting rod 506 is used for enabling all the swinging plates 502 to swing simultaneously, a single stay bar 505 can cause uneven stress on the second pipe fitting 2 and easily cause a clamping phenomenon, so that a plurality of linkage mechanisms 5 are used, the linkage mechanisms 5 are uniformly arranged, each stay bar 505 can simultaneously act on the extension part 101, one end, located on the outer side of the third pipe fitting 3, of the rotating shaft 501 of one linkage mechanism 5 is connected with a driving device, the driving device can drive all other swinging plates 502 to act under the action of the second connecting rod 506 only by controlling the rotating shaft 501 of one linkage mechanism 5, an interlayer is formed between the third pipe fitting 3 and the second pipe fitting 2, and the stay bar 505 and the disc part 503 are both located in the interlayer; connect 4 covers of pipe fitting locate first pipe fitting 1 outside and with 1 fixed connection of first pipe fitting, connect pipe fitting 4 one end and 1 fixed connection of first pipe fitting that deviates from second pipe fitting 2, the fixed third that is equipped with of one end of connecting pipe fitting 4 is connected 401, the third connect 401 with 301 rotations and expansion joint are connected to the second, the fixed fourth that is equipped with of the other end of connecting pipe fitting 4 is connected 402, and the fourth is connected 402 and also is used for being connected with current pipeline. Because the third pipe fitting 3 and the second pipe fitting 2 are fixedly connected, the second pipe fitting 2 and the first pipe fitting 1 are connected in a sliding and rotating manner, and the third pipe fitting 3 and the connecting pipe fitting 4 are connected in a telescopic manner, when the first pipe fitting 1 is not moved, and the support rod 505 applies pressure to the extension part 101, the third pipe fitting 3 and the second pipe fitting 2 can be ejected out in a direction away from the first pipe fitting 1 together, so that the extending function is realized, and after the support rod 505 leaves the extension part 101, the second pipe fitting 2 can retract under the action of external force.
The driving device comprises a worm wheel 6 coaxially connected with the rotating shaft 501, the worm wheel 6 is meshed with a worm 7, the third pipe fitting 3 is externally fixedly provided with a mounting plate 303, and the worm wheel 6 and the worm 7 are erected on the mounting plate 303. One end of the worm 7 extends out of the mounting plate 303 and is connected with a handle, and an operator can control the worm 7 to rotate by operating the handle, so that the whole linkage mechanism 5 is driven to act; because the swing amplitude of the swing plate 502 is limited, the worm wheel 6 and the worm 7 can not continuously rotate in one direction, the worm wheel 6 and the worm 7 have a self-locking function, the control mechanism is simple, and the operation is simple and convenient.
The outer circle surface of one end of the second pipe fitting 2 connected with the first pipe fitting 1 is embedded with a backing ring 202, a first oil ring 203, a second oil ring 204, a first carbon ring 205 and a second carbon ring 206. The liner ring 202, the first oil ring 203, the second oil ring 204, the first carbon ring 205 and the second carbon ring 206 all have sealing functions, so that a piston sealing function is generated between the outer surface of the second pipe fitting 2 and the inner surface of the first pipe fitting 1, and the second pipe fitting 2 can rotate and slide relative to the first pipe fitting 1 without leakage.
A plurality of arc-shaped slotted holes 403 are formed in the third connecting surface 401, optical axes 8 are arranged in the arc-shaped slotted holes 403, the optical axes 8 penetrate through the second connecting surface 301 and are slidably connected with the second connecting surface 301, and nuts are fixed at two ends of the optical axes 8. The maximum distance separating the third tube 3 from the connecting tube 4 depends on the distance the brace 505 is raised and lowered, so the length of the optical axis 8 satisfies the following condition: the distance between the two nuts is greater than the sum of the lifting distance of the support rod 505, the thickness of the plate where the third connecting surface 401 is located and the thickness of the plate where the second connecting surface 301 is located; the optical axis 8 plays a key role in limiting the third pipe fitting 3 to be separated from the connecting pipe fitting 4, in addition, the optical axis 8 is connected with the connecting pipe fitting 4 through the arc-shaped slotted hole 403, the linkage mechanism 5 and the second pipe fitting 2 do not have a direct connection relation, so when the third pipe fitting 3 and the second pipe fitting 2 rotate, the optical axis 8 can move along with the linkage mechanism, and the rotating angle is not larger than the circle center angle of the arc-shaped slotted hole 403.
The end of the first tube 1 facing away from the outer extension 101 corresponds to the inner diameter of the second tube 2. The first pipe fitting 1 is sleeved outside the second pipe fitting 2, but the diameters of the existing pipelines connected by the two pipe fittings are consistent, so that the end parts of the first pipe fitting 1 and the second pipe fitting 2 are reasonably consistent, the sizes of the connecting pipe sections are consistent, and the sudden change of the flow rate of the unit section is avoided.
When the pipe fitting is assembled, the linkage mechanism 5 and the third pipe fitting 3 are installed together, the connecting pipe fitting 4 and the first pipe fitting 1 are fixed together, then the second pipe fitting 2 and the third pipe fitting 3 are fixedly installed together, and the first pipe fitting 1 and the second pipe fitting 2 are connected in a sliding and sealing mode
And finally, the third pipe 3 and the connecting pipe 4 are telescopically connected by utilizing the arc-shaped slotted hole 403 and the optical axis 8.
When the pipe fitting is used, the fourth connecting surface 402 is connected with a fixed pipe to be connected, then the screw rod is rotated to drive the stay bar 505 to jack the first pipe fitting 1 until the first connecting surface 201 is contacted with another fixed pipe to be connected, and at the moment, if the first connecting surface 201 and the fixed pipe are in flange connection and need to be aligned with a pin hole, the third pipe fitting 3 is rotated to drive the second pipe fitting 2 to rotate together; when the pipe coupling is disassembled, the first coupling surface 201 and the fourth coupling surface 402 are removed, and then the screw stay 505 is rotated in the reverse direction away from the outer extension 101 of the first pipe element 1, and the second pipe element 2 is retracted by the external force.
The invention has the beneficial effects that:
1. compared with the prior art, the novel hydraulic pipeline has the innovation point that a linkage mechanism and a polished rod can be combined, the second pipe fitting principle is controlled or the second pipe fitting is close to the first pipe fitting through the linkage mechanism, the telescopic purpose is achieved, the supplement that axial regulation and control cannot be carried out in the prior art is made up, and the problem that the original pipeline cannot be smoothly connected due to the fact that the length of the hydraulic pipeline is insufficient is solved;
2. the pin holes are aligned for flange connection pipelines, and the first connection surface can be rotatably adjusted by the rotating function of the third pipeline and the second pipeline, so that the field installation requirement is further met;
3. adopt multiple sealing between first pipe fitting and the second pipe fitting, realized sliding seal and rotary seal simultaneously, ensured that the intraductal fluid of use can not leak.
The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.
Claims (5)
1. Hydraulic engineering pipeline fixing device includes:
the pipe fitting comprises a first pipe fitting (1), wherein one end of the first pipe fitting (1) is radially and convexly provided with an extending part (101); and
one end of the second pipe fitting (2) extends into one end, provided with the extending portion (101), of the first pipe fitting (1) and is connected with the first pipe fitting (1) in a sliding and rotating mode, and a first connecting surface (201) is fixedly arranged at one end, which does not extend into the first pipe fitting (1), of the second pipe fitting (2); and
the third pipe fitting (3) is fixedly sleeved outside the second pipe fitting (2), one end of the third pipe fitting (3) is fixedly provided with a second connecting surface (301), and an inward extending part (302) is arranged in the third pipe fitting (3) in a protruding mode; and
a plurality of linkages (5), the linkages (5) comprising:
the rotating shaft (501) is connected with the third pipe fitting (3) in a radial rotating mode, the rotating shaft (501) is fixedly sleeved with a swinging plate (502) located outside the third pipe fitting (3) and a disc piece (503) located inside the third pipe fitting (3), a first connecting rod (504) is connected onto the disc piece (503) in an eccentric rotating mode, the axis of the first connecting rod (504) is parallel to the surface of the disc piece (503), a supporting rod (505) is connected onto the first connecting rod (504) in a rotating mode, one end of the supporting rod (505) vertically penetrates through the inward extending portion (302) and contacts with the outward extending portion (101), two adjacent swinging plates (502) are connected with the same second connecting rod (506) in a rotating mode,
one end of the rotating shaft (501) of one linkage mechanism (5) positioned at the outer side of the third pipe fitting (3) is connected with a driving device; and
connect pipe fitting (4), connect pipe fitting (4) cover locate first pipe fitting (1) outer and with first pipe fitting (1) fixed connection, the one end of connecting pipe fitting (4) is fixed to be equipped with the third and to connect face (401), the third connect face (401) with second is connected face (301) and is rotated and expansion joint, the other end of connecting pipe fitting (4) is fixed to be equipped with the fourth and to be connected face (402).
2. The hydraulic engineering pipeline fixing device according to claim 1, wherein the driving device comprises a worm wheel (6) coaxially connected with the rotating shaft (501), the worm wheel (6) is meshed with a worm (7), a mounting plate (303) is fixedly arranged outside the third pipe fitting (3), and the worm wheel (6) and the worm (7) are erected on the mounting plate (303).
3. The hydraulic engineering pipeline fixing device according to claim 1 or 2, wherein a liner ring (202), a first oil ring (203), a second oil ring (204), a first carbon ring (205) and a second carbon ring (206) are embedded on an outer circular surface of one end, connected with the first pipe (1), of the second pipe (2).
4. The hydraulic engineering pipeline fixing device according to claim 3, wherein the third connecting surface (401) is provided with a plurality of arc-shaped slots (403), the arc-shaped slots (403) are internally provided with the optical axis (8), the optical axis (8) passes through the second connecting surface (301) and is slidably connected with the second connecting surface (301), and nuts are fixed at two ends of the optical axis (8).
5. The hydraulic engineering pipe fixing device according to claim 1, wherein an end of the first pipe (1) facing away from the outer extension (101) is in line with an inner diameter of the second pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011314609.8A CN112228650A (en) | 2020-11-21 | 2020-11-21 | Hydraulic engineering pipeline fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011314609.8A CN112228650A (en) | 2020-11-21 | 2020-11-21 | Hydraulic engineering pipeline fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112228650A true CN112228650A (en) | 2021-01-15 |
Family
ID=74123946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011314609.8A Pending CN112228650A (en) | 2020-11-21 | 2020-11-21 | Hydraulic engineering pipeline fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112228650A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3131642A (en) * | 1962-11-30 | 1964-05-05 | Wilfley & Sons Inc A | Standpipe connection for centrifugal pumps |
| CN101025243A (en) * | 2006-02-20 | 2007-08-29 | 旺宏电子股份有限公司 | Assembling method for pipe piece and pipeline using same |
| WO2011102737A1 (en) * | 2010-02-19 | 2011-08-25 | Fras Technology As | Adapter |
| CN103438309A (en) * | 2013-08-23 | 2013-12-11 | 攀钢集团工程技术有限公司 | Plunger type expansion device |
| CN211738350U (en) * | 2019-11-20 | 2020-10-23 | 浙江镇石物流有限公司 | Quick joint for petroleum conveying pipeline |
-
2020
- 2020-11-21 CN CN202011314609.8A patent/CN112228650A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3131642A (en) * | 1962-11-30 | 1964-05-05 | Wilfley & Sons Inc A | Standpipe connection for centrifugal pumps |
| CN101025243A (en) * | 2006-02-20 | 2007-08-29 | 旺宏电子股份有限公司 | Assembling method for pipe piece and pipeline using same |
| WO2011102737A1 (en) * | 2010-02-19 | 2011-08-25 | Fras Technology As | Adapter |
| CN103438309A (en) * | 2013-08-23 | 2013-12-11 | 攀钢集团工程技术有限公司 | Plunger type expansion device |
| CN211738350U (en) * | 2019-11-20 | 2020-10-23 | 浙江镇石物流有限公司 | Quick joint for petroleum conveying pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100593070C (en) | A power tong | |
| CN102817571A (en) | Blowout-prevention tool string of belt pressure energy storage well repairing machine | |
| CN112228650A (en) | Hydraulic engineering pipeline fixing device | |
| CN110792149B (en) | Multifunctional robot and system for cement pipeline | |
| CN211010394U (en) | Pipeline plugging device with pressure | |
| CN205363149U (en) | Machine of being geared to needs of job in pipeline | |
| CN115076505A (en) | Underground sewage pipeline non-excavation stainless steel expansion ring joint repairing construction method | |
| CN113431969B (en) | Pipeline, installation auxiliary device and process | |
| CN217108549U (en) | Steam conveying device for safety type formaldehyde production | |
| CN108730672B (en) | Plugging device for long-distance pipeline | |
| CN112983293A (en) | Quick-connecting water braid | |
| CN216007186U (en) | Sealing structure for sewage pipeline connection | |
| CN215488182U (en) | Water supply and drainage pipeline connecting structure for real estate building | |
| CN2173893Y (en) | Large diameter pipeline stopple plugging device | |
| CN214424695U (en) | Hydraulic equipment is with having anti-leakage function impeller pump | |
| CN220891128U (en) | Hydraulic plug valve | |
| CN2328456Y (en) | Large diameter pipeline drilling machine | |
| KR102405108B1 (en) | Folding water turn system for pipeline repair and survey | |
| CN215254663U (en) | Automatic concrete layering cloth machine | |
| CN113982553B (en) | Fracturing manifold adjusting device, fracturing direct-connection manifold system and establishment method thereof | |
| CN219198436U (en) | Municipal administration water supply and drainage pipeline connection structure | |
| CN114293997A (en) | Intelligent and rapid shield tail sealing device | |
| CN219114355U (en) | Rotary concrete layering distributor | |
| CN212958658U (en) | Hole packer device for tunnel concrete secondary lining void grouting | |
| CN220727531U (en) | Colliery sky water drill way pipe prosthetic devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210115 |
|
| WD01 | Invention patent application deemed withdrawn after publication |