CN208535310U - Pipeline butt joint auxiliary device - Google Patents
Pipeline butt joint auxiliary device Download PDFInfo
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- CN208535310U CN208535310U CN201820711435.0U CN201820711435U CN208535310U CN 208535310 U CN208535310 U CN 208535310U CN 201820711435 U CN201820711435 U CN 201820711435U CN 208535310 U CN208535310 U CN 208535310U
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- pipeline
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- tube pulling
- butt joint
- support
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Abstract
The utility model relates to pipeline construction ancillary equipment fields, especially pipeline butt joint auxiliary device, including several be used cooperatively jointly to connected components, described includes a pedestal to connected components, a height adjustment device is equipped at the top of pedestal, a supporting and regulating device is equipped at the top of height adjustment device, the supporting and regulating device is connected in height adjustment device top and hollow setting curved support including one, a tube pulling component is equipped in the cavity of curved support, several openings are equipped at intervals on the top curve face of curved support, the top of the tube pulling component passes through each opening and stretches out at the top of curved support.It is reasonable in design, and the pipeline that can treat connection, which provides, stablizes support, can go the quick centring for realizing good pipeline axis, guarantee connection effect and good centering relationship；The present apparatus can be adjusted for the pipeline of different tube diameters simultaneously, versatile.
Description
Technical field
The utility model relates to pipeline construction ancillary equipment fields, especially pipeline butt joint auxiliary device.
Background technique
Pipeline is connected into pipe, pipe connector and valve etc. for conveying gas, liquid or with solid particle
Fluid device.In general, fluid flows to low pressure from the high pressure of pipeline after the pressurization such as air blower, compressor, pump and boiler
The pressure or gravity conveying of fluid itself can also be used in place.Having many uses for pipeline is general, be used primarily in water supply, draining, heat supply,
It gives gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.Whole pipeline its
Mainly be interconnected on one piece by the merogenesis pipeline of several segments and carry out mainly include using, the mode of piping connection welding,
Flanged joint etc..Need to guarantee the good to neutrality of two connecting tubes in piping connection, the pipeline after just can guarantee connection in this way
Sealing and fastness in use.Because of its lighter in weight when being attached for thin and short pipeline, phase is operated
To simple, however need that the usual outer diameter of pipeline to be used is larger or length is longer in many large-scale constructions or engineering site or
Both person has, therefore its relative weight of this kind of pipeline is heavier, and it is relatively inconvenient to carry out simple manual operation when piping connection,
It is main at present using pipeline is sling using lifting parts such as electric hoists, thus come by human assistance carrying out to middle welding or
Direct flange is bolted, but the opposite center position for the pipeline that two needs connect when this method progress piping connection exists
Centering is difficult when operation, time-consuming and laborious, while it is also more complicated to operate when the later period is welded or is connected, and cannot be very
Guarantee connection effect well, therefore when existing pipeline for Large Diameter Pipeline, long pipe runs is attached still remains problem.
Utility model content
Pipeline butt joint auxiliary device provided by the utility model, reasonable in design, the pipeline that can treat connection provides
Stablize support, the quick centring for realizing good pipeline axis can be gone, guarantees connection effect and good centering relationship；Together
When the present apparatus can be adjusted for the pipelines of different tube diameters, it is versatile.
Used technical solution is the utility model to solve above-mentioned technical problem: pipeline butt joint auxiliary device, including
Several be used cooperatively jointly to connected components, described includes a pedestal to connected components, is equipped with a height at the top of pedestal and adjusts
Regulating device is equipped with a supporting and regulating device at the top of height adjustment device, and the supporting and regulating device is connected in height including one
Regulating device top and hollow setting curved support are spent, a tube pulling component is equipped in the cavity of curved support, in arc
Several openings are equipped at intervals on the top curve face of supporter, the top of the tube pulling component passes through each opening and stretches out arc
At the top of supporter.
A limiting and guiding device, the limiting and guiding device packet are equipped in the top of the curved support of supporting and regulating device
The two perpendicular screw rods being symmetrically arranged above curved support are included, the line with a scale being vertically arranged is equipped on each perpendicular screw rod
Groove, thread cartridge is screwed equipped with a perpendicular rotation screwed pipe respectively on the upper outside wall of each perpendicular screw rod, in two perpendicular rotation spiral shells
The top of pipe is equipped with a fixed plate, and each perpendicular rotation screwed pipe passes through respectively on the corresponding position of T-type round block of upper part
The T-type circular groove of fixed plate bottom matches.
A tube top is equipped in the bottom of fixed plate and limits regulating member, and the tube top limit regulating member includes one flexible
And bottom groove in be equipped with limit ball flexible rubber plate, flexible rubber plate top uniform intervals be equipped with several
Limit adjusting screw rod, it is described it is each limit adjusting screw rod bottom respectively with the flexible rubber plate active link, each limit
The equal screw thread in the upper end of adjusting screw rod screws each threaded hole being pierced by fixed plate and is fixedly connected with respectively with a limit adjusting knob.
It is horizontal in the one side wall of curved support to be equipped with a laser lamp, in the house type supporter with laser lamp opposite side
Side wall is equipped with a target center convex block coaxial with the lamp cap emission lines of laser lamp, is equipped with a mark point at the center of target center convex block.
The tube pulling component includes an intracorporal horizontal tube pulling axis of chamber that curved support is arranged in, in horizontal tube pulling axis
Several rubber moving teeth are equipped at intervals with along its even circumferential on side wall, the top of the rubber moving tooth is pierced by corresponding position
Opening, the equal activity in both ends of the horizontal tube pulling axis is pierced by the curved support lateral wall, in one end of horizontal tube pulling axis
Curved support connected one tube pulling driving motor being fixedly connected with by output shaft and the horizontal tube pulling axis on side wall.
Horizontal tube pulling axis two sides curved support cavity bottom respectively symmetrically vertically be connected a column, at the top of column
Groove in respectively activity be clamped and support ball, the tops of described two lower support balls are pierced by opening for its corresponding position
Mouthful.
The height adjustment device includes the foot-operated jack being connected at the top of pedestal, at the top of jack connected one
Lifting seat, the lifting seat are fixedly connected with by two symmetrically arranged support columns with curved support bottom.
Beneficial effect possessed by the utility model is, reasonable in design, being capable of the company for the treatment of by supporting and regulating device
The pipeline connect, which provides, stablizes support, and the present apparatus then can be adjusted to height appropriate as desired by height adjustment device
Operator is facilitated to carry out docking, welding or the flanged joint of pipeline, it is to be docked to two when needing after the completion of height adjustment
It is realized by observation laser lamp with the neighbouring coincidence relation to the mark point on connected components when pipeline is mediated and is entirely set
Standby leveling with it is conllinear, coaxial, so as to guarantee placing different alignments when docking pipelines, can go to realize good
The quick centring of good pipeline axis guarantees connection effect and good centering relationship, just needs after the completion of centering to pipeline
It is welded or is fastenedly connected, it is relatively inconvenient when operator carries out mobile around outer diameter tube if caliber is excessive at this time,
Operator is in that operating position is motionless at this time, can realize the slow rotation to pipeline by starting tube pulling component, thus
The docking for realizing entire pipeline can play position-limiting action by limiting and guiding device in pipeline rotation to pipeline, place pipe
Road rolls out supporting and regulating device；It can be limited simultaneously for the pipeline of different tube diameters by adjusting the height of limiting and guiding device
Position, it is versatile.
Detailed description of the invention
Fig. 1 is the use state diagram of the utility model.
Fig. 2 is the first schematic perspective view in the utility model to connected components.
Fig. 3 is the second schematic perspective view in the utility model to connected components.
Fig. 4 is the side structure schematic view of Fig. 2.
Fig. 5 is the partial structural diagram that the utility model removes that tube top limits regulating member.
Fig. 6 is the side structure schematic view of Fig. 5.
Fig. 7 is the overlooking structure diagram of Fig. 6.
In figure, 1, pedestal；2, curved support；3, it is open；4, screw rod is erected；5, graduation mark；6, rotation screwed pipe is erected；7,
Fixed plate；8, T-type round block；9, ball is limited；10, flexible rubber plate；11, adjusting screw rod is limited；12, adjusting knob is limited；13,
Laser lamp；14, target center convex block；15, mark point；16, horizontal tube pulling axis；17, rubber moving tooth；18, tube pulling driving motor；19, it stands
Column；20, lower support ball；21, foot-operated jack；22, lifting seat；23, support column；24, to connected components.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in figs. 1-7, pipeline butt joint auxiliary device, including several be used cooperatively jointly to connected components, it is described
Include a pedestal 1 to connected components 24, is equipped with a height adjustment device at the top of pedestal 1, is filled as desired by height adjustment
The present apparatus can be adjusted to height appropriate to facilitate operator to carry out docking, welding or the flanged joint of pipeline by setting, and be made
Operator is on a kind of position of relative comfort and works, and is equipped with a support at the top of height adjustment device and adjusts
Regulating device, supporting and regulating device can be supported the pipeline being placed on it, while when needing that pipeline is adjusted
It may be implemented to be adjusted as requested again, so that you can effectively meet needs when operation is constructed, the support is adjusted
Device is connected in height adjustment device top and hollow setting curved support 2 including one, sets in the cavity of curved support 2
There is a tube pulling component, several openings 3, the top of the tube pulling component are equipped at intervals on the top curve face of curved support 2
Portion passes through each opening 3 and stretches out 2 top of curved support；Operator carries out mobile around outer diameter tube if caliber is excessive
When it is relatively inconvenient, it is motionless to be in operating position by operator at this time, can be realized by starting tube pulling component and be delayed to pipeline
Slow rotation, to realize the docking of entire pipeline, the position of its tube pulling directly passes through opening 3 and stretches out arcs tube pulling component at work
Shape supporter 2 is simultaneously pushed against with pipeline outer wall, then by power is stirred with frictional force to drive pipeline to rotate, is rotated in pipeline
When in order to guarantee and reduce the resistance of conduit running during tube pulling, be especially provided with the lower support ball for being supported on pipeline lower part
20 reduce rotary resistance, not only play position-limiting action by each limit ball 9 of setting, but also play guiding role, so as to
Guarantee the normal operation of tube pulling unit.
A limiting and guiding device, the limiting and guiding device are equipped in the top of the curved support 2 of supporting and regulating device
The perpendicular screw rod 4 for being symmetrically arranged at 2 top of curved support including two, is equipped with the band being vertically arranged on each perpendicular screw rod 4
The groove of graduation mark 5, thread cartridge is screwed equipped with a perpendicular rotation screwed pipe 6, two respectively on the upper outside wall of each perpendicular screw rod 4
The top of perpendicular rotation screwed pipe 6 is equipped with a fixed plate 7, and each perpendicular rotation screwed pipe 6 passes through the T-type round block 8 of upper part and its respectively
The T-type circular groove 8 of 7 bottom of fixed plate on corresponding position matches；Pass through it when the pipeline wait dock is placed in the present apparatus
To suitable position, then bottom just needs to adjust perpendicular rotation screwed pipe 6 according to the size of its specific outer diameter after being supported
Whether the position by the graduation mark 5 on two each perpendicular screw rods 4 of observation is consistent come the extension elongation for determining two perpendicular screwed pipes, final to determine
The level of fixed plate 7, the limit abutting for then limiting regulating member realization to tube top by screwing tube top downwards, to guarantee
The stability of pipeline when subsequent tube pulling.
A tube top is equipped in the bottom of fixed plate 7 and limits regulating member, and the tube top limit regulating member includes a bendable
It is equipped with the flexible rubber plate 10 of limit ball 9 in bent and bottom groove, is equipped in the top uniform intervals of flexible rubber plate 10
Several limit adjusting screw rods 11, it is described it is each limit adjusting screw rod 11 bottom respectively with 10 activity chain of flexible rubber plate
It connects, the equal screw thread in upper end of each limit adjusting screw rod 11 screws each threaded hole being pierced by fixed plate 7 and limits respectively with one
Position adjusting knob 12 is fixedly connected with；By screwing limit adjusting screw rod 11 come so that it drives each section difference of flexible rubber plate 10
Downwards close to conduit upper lateral wall, at this time i.e. when a limit ball 9 and the pipeline outer wall are mutually close or just abut
Achievable adjusting, each ball 9 that limits play the role of guiding and limit in subsequent tube pulling rotated pipe.
It is horizontal in the one side wall of curved support 2 to be equipped with a laser lamp 13, in the house type with 13 opposite side of laser lamp
It supports body sidewall to be equipped with a target center convex block 14 coaxial with the lamp cap emission lines of laser lamp 13, is set at the center of target center convex block 14
There is a mark point 15；When needing the pipeline to docking to carry out centering, first have to guarantee that two pipelines must be placed at same level
On face and coaxial conllinear position, in the present apparatus when each pair of connected components are placed in construction ground, since ground is uneven or
Other reasons cause each supporting and regulating device that might not just need at this time according to height adjustment device on sustained height
The light that being adjusted enables the adjacent laser lamp 13 to connected components to emit is radiated at the mark adjacent thereto to connected components
On note point 15, ensure that the two is on horizontal and conllinear coaxial position at this time, at this time the horizontal plane where laser lamp 13
It will act as new horizontal plane, the plane where each supporting and regulating device thereon is coplanar, coaxial at this time, therefore can
To guarantee that be placed on it two wait the pipeline of outer tube diameters in same shaft assignment, therefore it can be well realized to neutrality
It adjusts.
The tube pulling component includes an intracorporal horizontal tube pulling axis 16 of chamber that curved support 2 is arranged in, in horizontal tube pulling
Axis 16 is equipped at intervals with several rubber moving teeth 17 along its even circumferential on side wall, and the top of the rubber moving tooth 17 is pierced by pair
The opening 3 on position is answered, the equal activity in both ends of the horizontal tube pulling axis 16 is pierced by 2 lateral wall of curved support, in level
The curved support 2 of one end of tube pulling axis 16 is connected on side wall one to be fixedly connected with by output shaft and the horizontal tube pulling axis 16
Tube pulling driving motor 18；After the completion of centering is adjusted, major pipeline is just supported in various components, the rubber on top under normal condition
Moving tooth 17 is the lateral wall bottom stretched out opening 3 and be in pipeline to be docked, and rubber moving tooth 17 is in compressive state, is having
Rubber moving tooth 17 can select the biggish rubber material of coefficient of friction during body designs, while its surface can be designed more
Each friction lug increases coefficient of friction, to drive horizontal tube pulling axis when guaranteeing subsequent connection tube pulling driving motor 18
16 rotations, final to drive pipeline rotation, when carrying out tube pulling, the corresponding tube pulling driving motor 18 of each pipeline is in the same direction simultaneously popular
Rotation, the concrete model and rotation speed of tube pulling driving motor 18 can be controlled by technical staff, also can choose servo
Motor either angle motor is selected by those skilled in the art with specific reference to needs, is repeated no more.
2 cavity bottom of curved support in horizontal 16 two sides of tube pulling axis is respectively symmetrically connected a column 19 vertically, vertical
Activity is clamped support ball 20 respectively in the groove at 19 top of column, and it is right that the top of described two lower support balls 20 is pierced by its
Answer the opening 3 at position；It can be to pipeline by lower support ball 20 each when being placed on pipeline on each pair of connected components
Outer wall be supported, simultaneously tube pulling rotation when play the role of reduce running resistance.
The height adjustment device includes the foot-operated jack 21 for being connected in 1 top of pedestal, solid at the top of jack
Even a lifting seat 22, the lifting seat 22 are fixedly connected with by two symmetrically arranged support columns 23 with 2 bottom of curved support；When need
By stepping foot-operated jack 21 and observing each laser lamp 13 and mark point 15 when the height of the present apparatus being adjusted
Positional relationship the common adjusting in whole device to connected components can be thus achieved.
Before use, first by each pair of connected components 24 substantially put point-blank, according to the length of pipeline to be docked come
Selection needs the distance at the interval between the quantity and each pair of connected components 24 to be used to connected components.Then by adjusting two-by-two
It saves foot-operated jack 21 and each device is adjusted to required height, then pass through the mobile present apparatus and the foot-operated jack of fine tuning
21 are on conllinear position come the laser lamp 13 for realizing each pair of connected components and adjacent mark point 15, final to realize entire dress
Each component in setting it is integrally-regulated.Two docking pipelines are placed on by components such as tower crane device or electric hoists corresponding each
On a supporting and regulating device on connected components, as needed place when as far as possible when two pipelines both ends mutually close to so
It is subsequent to push two pipelines to realize the docking of end face by mechanical-assisted, it is rotated synchronously at this time if necessary to be realized to two pipelines
When, by powering on tube pulling driving motor 18, horizontal tube pulling axis 16 is driven to rotate, it is final to drive pipeline rotation, into
Each corresponding tube pulling driving motor 18 of pipeline while popular rotation in the same direction when row tube pulling, after the completion of centering is adjusted, major pipeline
It is just supported in various components, the rubber moving tooth 17 on top is to stretch out opening 3 and in pipeline to be docked under normal condition
Lateral wall bottom, rubber moving tooth 17 is in compressive state, and rubber moving tooth 17 can select friction during specific design
The biggish rubber material of coefficient, while its surface can design each friction lug to increase coefficient of friction, when wait dock more
Pipeline be supported when being placed in the present apparatus by its bottom after just need to be adjusted according to the size of its specific outer diameter
Then perpendicular rotation screwed pipe 6 determines two perpendicular spiral shells by the position of the graduation mark 5 on two each perpendicular screw rods 4 of observation to suitable position
Whether the extension elongation of pipe is consistent, then the final level for determining fixed plate 7 limits regulating member reality by screwing tube top downwards
Now the limit of tube top is pushed against, to guarantee the stability of the pipeline in subsequent tube pulling, more effectively meets the needs of construction.
The present apparatus is reasonable in design, is provided by the pipeline that supporting and regulating device can treat connection and stablizes support, so
The present apparatus can be adjusted to height appropriate as desired by height adjustment device afterwards to facilitate operator to carry out pipeline
Docking, welding or flanged joint, pass through observation when needing and two pipelines wait dock being mediated after the completion of height adjustment
Laser lamp 13 and the neighbouring coincidence relation to the mark point 15 on connected components realize the leveling of whole equipment and conllinear, same
Axis can go to realize the fast of good pipeline axis so as to guarantee the alignment when placing different docking pipelines
Fast centering guarantees connection effect and good centering relationship, just needs to weld pipeline after the completion of centering or the company of fastening
It connects, relatively inconvenient when operator carries out mobile around outer diameter tube if caliber is excessive at this time, operator is at this time
Operating position is motionless, the slow rotation to pipeline can be realized by starting tube pulling component, to realize pair of entire pipeline
It connects, position-limiting action can be played to pipeline by limiting and guiding device in pipeline rotation, place pipeline and roll out support adjusting dress
It sets；It can be limited simultaneously for the pipeline of different tube diameters by adjusting the height of limiting and guiding device, it is versatile.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (7)
1. pipeline butt joint auxiliary device, it is characterised in that: including several be used cooperatively jointly to connected components, the docking group
Part includes a pedestal, is equipped with a height adjustment device at the top of pedestal, is equipped with a support at the top of height adjustment device and adjusts
Regulating device, the supporting and regulating device is connected in height adjustment device top and hollow setting curved support including one, in arc
It is equipped with a tube pulling component in the cavity of shape supporter, is equipped at intervals with several openings on the top curve face of curved support,
The top of the tube pulling component passes through each opening and stretches out at the top of curved support.
2. pipeline butt joint auxiliary device according to claim 1, it is characterised in that: in the curved support of supporting and regulating device
The top of body is equipped with a limiting and guiding device, and the limiting and guiding device is symmetrically arranged above curved support including two
Perpendicular screw rod, the groove for the line with a scale being vertically arranged is equipped on each perpendicular screw rod, on the upper outside wall of each perpendicular screw rod
Thread cartridge is screwed equipped with a perpendicular rotation screwed pipe respectively, is equipped with a fixed plate, each perpendicular rotation in the top of two perpendicular rotation screwed pipes
Turn screwed pipe and pass through the T-type circular groove of the fixed plate bottom on the corresponding position of T-type round block of upper part respectively to match.
3. pipeline butt joint auxiliary device according to claim 2, it is characterised in that: be equipped with a tube top in the bottom of fixed plate
Regulating member is limited, the tube top limit regulating member includes that one is flexible and interior be equipped with of bottom groove limits the soft of ball
Property rubber slab, flexible rubber plate top uniform intervals be equipped with several limit adjusting screw rod, each limit adjusting screw rod
Bottom respectively with the flexible rubber plate active link, it is described it is each limit adjusting screw rod the equal screw thread in upper end screw is pierced by consolidates
Each threaded hole on fixed board is simultaneously fixedly connected with a limit adjusting knob respectively.
4. pipeline butt joint auxiliary device according to claim 3, it is characterised in that: the water in the one side wall of curved support
It is flat to be equipped with a laser lamp, the lamp cap emission lines that one with laser lamp are equipped on body sidewall are being supported with the house type of laser lamp opposite side
Coaxial target center convex block is equipped with a mark point at the center of target center convex block.
5. pipeline butt joint auxiliary device according to claim 4, it is characterised in that: the tube pulling component includes that a setting exists
The intracorporal horizontal tube pulling axis of the chamber of curved support is equipped at intervals on side wall along its even circumferential several in horizontal tube pulling axis
A rubber moving tooth, the top of the rubber moving tooth are pierced by the opening on corresponding position, and the both ends of the horizontal tube pulling axis are movable
It is pierced by the curved support lateral wall, the curved support in one end of horizontal tube pulling axis is connected on side wall one passes through output
The tube pulling driving motor that axis and the horizontal tube pulling axis are fixedly connected with.
6. pipeline butt joint auxiliary device according to claim 5, it is characterised in that: the arc branch in horizontal tube pulling axis two sides
Support body cavity bottom respectively symmetrically vertically be connected a column, activity is clamped back-up roller respectively in the groove at the top of column
The top of pearl, described two lower support balls is pierced by the opening of its corresponding position.
7. pipeline butt joint auxiliary device according to claim 6, it is characterised in that: the height adjustment device includes being connected
Foot-operated jack at the top of pedestal, in the connected lifting seat in the top of jack, the lifting seat is symmetrical arranged by two
Support column be fixedly connected with curved support bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711435.0U CN208535310U (en) | 2018-05-14 | 2018-05-14 | Pipeline butt joint auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711435.0U CN208535310U (en) | 2018-05-14 | 2018-05-14 | Pipeline butt joint auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535310U true CN208535310U (en) | 2019-02-22 |
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ID=65394636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820711435.0U Expired - Fee Related CN208535310U (en) | 2018-05-14 | 2018-05-14 | Pipeline butt joint auxiliary device |
Country Status (1)
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| CN (1) | CN208535310U (en) |
Cited By (21)
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| CN109926988A (en) * | 2019-02-25 | 2019-06-25 | 荣基工业科技（江苏）有限公司 | A kind of Wind turbines shaft coupling jig convenient for handling |
| CN110328490A (en) * | 2019-07-11 | 2019-10-15 | 云和县恒毅模具厂 | A kind of large-diameter steel pipe opposite soldering device |
| CN110360379A (en) * | 2019-07-16 | 2019-10-22 | 中国华西企业股份有限公司 | A kind of jacking device that can prevent pipeline deflection |
| CN110757398A (en) * | 2019-12-05 | 2020-02-07 | 永胜机械工业（昆山）有限公司 | Baffle rod tube bundle propeller and construction method thereof |
| CN110936317A (en) * | 2019-06-17 | 2020-03-31 | 姚辉勇 | Engineering pipeline butt joint auxiliary frame |
| CN111151966A (en) * | 2020-01-21 | 2020-05-15 | 安徽马钢设备检修有限公司 | Simple tool for assembling hydraulic pipeline and welding seam on wheel site and welding process |
| CN111255948A (en) * | 2020-01-21 | 2020-06-09 | 张荣坚 | Auxiliary positioning device for butt joint of sewer pipe |
| CN111396632A (en) * | 2020-04-03 | 2020-07-10 | 中国人民解放军63653部队 | Accurate centering device and centering method for mounting pipeline in hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109926988A (en) * | 2019-02-25 | 2019-06-25 | 荣基工业科技（江苏）有限公司 | A kind of Wind turbines shaft coupling jig convenient for handling |
| CN110936317A (en) * | 2019-06-17 | 2020-03-31 | 姚辉勇 | Engineering pipeline butt joint auxiliary frame |
| CN110328490A (en) * | 2019-07-11 | 2019-10-15 | 云和县恒毅模具厂 | A kind of large-diameter steel pipe opposite soldering device |
| CN110360379A (en) * | 2019-07-16 | 2019-10-22 | 中国华西企业股份有限公司 | A kind of jacking device that can prevent pipeline deflection |
| CN110757398A (en) * | 2019-12-05 | 2020-02-07 | 永胜机械工业（昆山）有限公司 | Baffle rod tube bundle propeller and construction method thereof |
| CN110757398B (en) * | 2019-12-05 | 2023-12-05 | 永胜机械工业（昆山）有限公司 | Baffle rod tube bundle propeller and construction method thereof |
| CN111255948A (en) * | 2020-01-21 | 2020-06-09 | 张荣坚 | Auxiliary positioning device for butt joint of sewer pipe |
| CN111151966A (en) * | 2020-01-21 | 2020-05-15 | 安徽马钢设备检修有限公司 | Simple tool for assembling hydraulic pipeline and welding seam on wheel site and welding process |
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