CN205895796U - Pipe butt joint is expanded and is tightly installed - Google Patents
Pipe butt joint is expanded and is tightly installed Download PDFInfo
- Publication number
- CN205895796U CN205895796U CN201620655959.3U CN201620655959U CN205895796U CN 205895796 U CN205895796 U CN 205895796U CN 201620655959 U CN201620655959 U CN 201620655959U CN 205895796 U CN205895796 U CN 205895796U
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- China
- Prior art keywords
- pipe
- swelling
- expansion mechanism
- ring
- swelling device
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- Withdrawn - After Issue
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Abstract
The utility model provides a pipe butt joint is expanded and is tightly installed, include: through being connected both ends with two root canals respectively, make the young bloated tight mechanism of docking of two root canals, a shore the mechanism for controlling expand expansion of tight mechanism or shrink, an aversion mechanism for driving shore mechanism's action. Inside bloated tight mechanism located at both ends two root canal respectively, the action that the mechanism produced outside expansion was shored by inside sideway swivel aversion mechanism for the outside expansion of tight mechanism and the fastening of expanding of expanding fixes on the pipe inner wall, accomplishes the connection of two root canals, outside rotation displacement mechanism shores the mechanism and produces the action of contracting inwards for bloated tight mechanism contracts inwards and separates with two root canals. The utility model discloses can connect the cluster with a plurality of xenogenesis steel short pipe joint, make things convenient for it to carry out the defect detecting test of batch industry TV, show and reducing the non -destructive inspection cost, device simple structure, low in manufacturing cost, simple operation have very high commonality, practicality, and the workshop large scale investment of being convenient for is used.
Description
Technical field
This utility model is related to a kind of pipe docking swelling device for multiple dissimilar steel source nipples connect bunchiness,
Belong to boiler fitting technical field.
Background technology
At present, the source nipple in boiler is designed as dissimilar steel docking structure, and pipe joint docking weld bond postwelding needs to carry out
Nondestructive flaw detection examination.Small straight section pipe joint cannot carry out industrial television defect detecting test pair in the case of not having attachment means in batches
Connect weld bond.
Manufacturing shop used radiographic inspection method, high using this kind of method of detection manufacturing cost, and consume people
Power material resources, are unfavorable for that workshop is produced in enormous quantities and manufacture.
Utility model content
The technical problems to be solved in the utility model is how multiple dissimilar steel source nipples to be connected bunchiness, facilitates it to enter
Row volume industrial TV defect detecting test, significantly reduces its nondestructive inspection cost simultaneously.
In order to solve above-mentioned technical problem, the technical solution of the utility model is to provide a kind of pipe to dock swelling device,
It is characterized in that, comprising:
By being connected two ends respectively with two tubes, make the expansion mechanism that two tubes dock;
For controlling expansion mechanism expansion or shrinking, thus realize expansion mechanism and fixing with pipe or detached shore machine
Structure;
For driving the shift mechanism of top bracing mechanism action.
Preferably, it is respectively arranged at the two ends with a top bracing mechanism inside described expansion mechanism, logical between expansion mechanism and top bracing mechanism
Cross bearing pin to be rotatably attached;Shift mechanism is in expansion mechanism, and is connected with top bracing mechanism;Spring is located at shift mechanism top
End, and be close to expansion mechanism inwall.
Preferably, described expansion mechanism includes swelling bushing pipe, and swelling bushing pipe bosom is radially provided with upper and lower two phases
Boss to setting, is provided with the blind hole for installing described spring, is provided with for pacifying in the boss of bottom in the boss on top
Fill the tapped through hole of described shift mechanism.
It is highly preferred that described swelling bushing pipe material selection spring steel.
It is highly preferred that described swelling bushing pipe two ends inwall be respectively welded with multiple be evenly arranged for described top bracing mechanism
The contiguous block connecting.
Further, described swelling bushing pipe two ends wall respectively has a plurality of notch being evenly arranged, and notch position with
Accordingly stagger in described contiguous block position.
Preferably, described top bracing mechanism includes side ring, and multiple strut one end are rotatably attached with side ring, and described strut is another
One end is connected one to one with the contiguous block of described swelling bushing pipe inwall;Side ring center also is provided with contiguous block, in connecting rod and side ring
The contiguous block of the heart is rotatably attached.
It is highly preferred that described side ring is provided with breach, counterbore, the radially even arrangement of breach, counterbore is located at breach both sides;
Described strut, in the breach of side ring, is connected by sunk screw, nut between strut and side ring, and strut is in the breach of side ring
In can carry out dead axle swing around countersunk head spiral shell.
It is highly preferred that described strut passes through bearing pin, split pin connection respectively with the contiguous block of expansion mechanism inwall.
Preferably, described shift mechanism includes shifting screw, and center ring is rotatably disposed within displacement screw, and end is passed through
Back-up ring is closed;Displacement screw in the tapped through hole of described expansion mechanism, two of center ring and described expansion mechanism two ends
The connecting rod of top bracing mechanism connects.
It is highly preferred that described displacement screw top be multidiameter, bottom be soket head cap screw structure;Described center ring located at
On the multidiameter of displacement screw, can be around multidiameter System of Rotating about Fixed Axis;Described multidiameter is provided with for installing the recessed of described back-up ring
Groove.
It is highly preferred that described center ring passes through the company of two top bracing mechanisms of sunk screw, nut and expansion mechanism two ends
Bar connects.
Further, described center ring is provided with breach, counterbore, the radially even arrangement of breach, and counterbore is located at breach two
Side;Described connecting rod can carry out dead axle swing around sunk screw in the breach of center ring.
It is highly preferred that under described expansion mechanism unexpanded mode, the angle between strut and side ring is obtuse angle, center ring with
Angle between connecting rod is obtuse angle.
During use, expansion mechanism two ends are respectively arranged on inside two tubes, inside side rotation displacement screw, and connecting rod is counterclockwise
Rotation, drives side ring to move out, and strut synchronous produce the action expanding outwardly so that expansion mechanism expands outwardly and swelling is solid
It is scheduled on tube wall, complete the connection of two tubes;
Conversely, outside rotation displacement screw, connecting rod turns clockwise, and drives side ring to move inwards, strut synchronous produce to
In the action shunk so that expansion mechanism shrinks inwards separates with two tubes.
The device that this utility model provides overcomes the deficiencies in the prior art, can connect multiple dissimilar steel source nipples
Bunchiness, facilitates it to carry out volume industrial TV defect detecting test, significantly reduces nondestructive inspection cost.And apparatus structure simple,
Low cost of manufacture, simple operation, for various sizes of internal diameter of pipe joint, all can carry out clamping connection using this device, have
Very high versatility, practicality, are easy to workshop large scale investment and use.
Brief description
Fig. 1 a docks swelling device front view for the pipe that the present embodiment provides;
Fig. 1 b docks swelling device left view for the pipe that the present embodiment provides;
Fig. 2 a is expansion mechanism front view;
Fig. 2 b is expansion mechanism left view;
Fig. 3 a is top bracing mechanism front view;
Fig. 3 b top bracing mechanism left view;
Fig. 4 a is shift mechanism front view;
Fig. 4 b is shift mechanism left view;
Fig. 5 a docks swelling device for the pipe that the present embodiment provides and uses schematic diagram;
Fig. 5 b uses process external diameter change schematic diagram for expansion mechanism.
Specific embodiment
With reference to specific embodiment, this utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than restriction scope of the present utility model.In addition, it is to be understood that in the content having read this utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to this utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Fig. 1 a and Fig. 1 b is respectively the front view of pipe docking swelling device and the left view that the present embodiment provides, described
Pipe docking swelling device is made up of expansion mechanism 1, top bracing mechanism 2, bearing pin 3, split pin 4, shift mechanism 5, spring 6 etc..
Top bracing mechanism 2 is arranged on inside expansion mechanism 1, using bearing pin 3, split pin between expansion mechanism 1 and top bracing mechanism 2
4 are attached.Shift mechanism 5, spring 6 are installed in expansion mechanism 1, using countersunk head between shift mechanism 5 and top bracing mechanism 2
Screw 2-2, nut 2-3 are attached, and spring 6 is installed on shift mechanism 5 top.
In conjunction with Fig. 2 a and Fig. 2 b, expansion mechanism 1 is led to by contiguous block 1-1, notch 1-2, boss 1-3, blind hole 1-4, screw thread
Hole 1-5, swelling bushing pipe 1-6 etc. form.Swelling bushing pipe 1-6 is tubulose, material selection spring steel.Swelling bushing pipe 1-6 bosom
Radially it is provided with the upper and lower two boss 1-3 being oppositely arranged, in the boss 1-3 on top, be provided with blind hole 1-4, the boss of bottom
It is provided with tapped through hole 1-5 in 1-3.
Swelling bushing pipe 1-6 two ends inwall is respectively welded with 4 contiguous block 1-1, the radially even arrangement of contiguous block 1-1, connects
Between block 1-1, angle is evenly distributed.4 notch 1-2 are respectively had, notch 1-2 is radially even on the wall of swelling bushing pipe 1-6 two ends
Arrangement, between notch 1-2, angle is evenly distributed, and notch 1-2 position is corresponding to contiguous block 1-1 position staggers.
In conjunction with Fig. 3 a and Fig. 3 b, top bracing mechanism 2 is by strut 2-1, sunk screw 2-2, nut 2-3, side ring 2-4, connecting rod 2-5
Deng composition.Side ring 2-4 is provided with breach c, counterbore d, and in the present embodiment, side ring 2-4 is provided with 4 breach, and breach is radially equal
Even arrangement, between breach, angle is evenly distributed, and counterbore d is located at breach c both sides.
Strut 2-1 is provided with 4, is respectively arranged in 4 breach of side ring 2-4, and it is heavy to pass through between strut 2-1 and side ring 2-4
Head screw 2-2, nut 2-3 are attached, and strut 2-1 can carry out dead axle pendulum around sunk screw 2-2 in the breach of side ring 2-4
Dynamic.Side ring 2-4 center position is also welded to connect block 1-1, and connecting rod 2-5 is carried out by bearing pin 3, split pin 4 and this contiguous block 1-1
Connect, connecting rod 2-5 can carry out dead axle swing around bearing pin 3 in this contiguous block 1-1.
4 strut 2-1 are connected by bearing pin 3, split pin 4 respectively with 4 contiguous block 1-1 of expansion mechanism 1 inwall.Each support
Angle between bar 2-1 and side ring 2-4 is obtuse angle.
In conjunction with Fig. 4 a and Fig. 4 b, shift mechanism 5 is made up of back-up ring 5-1, center ring 5-2, displacement screw 5-3 etc..Displacement spiral shell
5-3 top is set to multidiameter to nail, bottom is set to soket head cap screw structure.The multidiameter of displacement screw 5-3 is provided with groove, is used for
Back-up ring 5-1 is installed.Center ring 5-2 center is provided with circular hole, and center ring 5-2 is arranged in displacement screw 5-3 by this circular hole
Multidiameter on, end is closed using back-up ring 5-1.Center ring 5-2 can be around the multidiameter dead axle rotation in displacement screw 5-3
Turn.
Center ring 5-2 is provided with breach a and counterbore b, and in the present embodiment, center ring 5-2 is provided with 4 breach, breach it
Between angle be evenly distributed, counterbore b is located at breach a both sides.
Displacement screw 5-3 in shift mechanism 5 is arranged in the tapped through hole 1-5 in swelling bushing pipe 1-6, shift mechanism 5
Center ring 5-2 pass through sunk screw 2-2, nut 2-3 and expansion mechanism 1 two ends two top bracing mechanisms 2 connecting rod 2-5 company
Connect.Connecting rod 2-5 can carry out dead axle swing around sunk screw 2-2 in the breach of center ring 5-2.Center ring 5-2 and connecting rod 2-5
Between angle be obtuse angle.
In conjunction with Fig. 5 a and Fig. 5 b, the specifically used step that the pipe that the present embodiment provides docks swelling device is as follows:
First, measurement dissimilar steel docking source nipple port inner diameter size, selects to be suitable for the swelling bushing pipe 1-6 of size.Will be swollen
Tight mechanism 1, top bracing mechanism 2, shift mechanism 5 are attached, and complete the assembly operation that pipe docks swelling device.
2nd, it is respectively mounted dissimilar steel docking source nipple a at pipe docking swelling device two ends, pull by using interior hexagonal
The displacement screw 5-3 of handss rotation displacement mechanism 5 inwards, makes the center ring 5-2 of the connecting rod 2-5 in top bracing mechanism 2 and shift mechanism 5
Between angle become big, connecting rod 2-5 will produce rotate counterclockwise action, produced deviation in connecting rod 2-5 rotary course
Under l1 effect, the side ring 2-4 in top bracing mechanism 2 can produce the action moving out so that the strut 2-1 in top bracing mechanism 2 is same
Step produces the action expanding outwardly and is changed into ф 2 so that the swelling bushing pipe 1-6 two ends in expansion mechanism 1 are cylindrical from ф 1, its numerical value
Relation is: ф 2 > ф 1, and the now swelling bushing pipe 1-6 swelling in expansion mechanism 1 is fixed on pipe part inwall, that is, complete two
Dissimilar steel docks the connection of source nipple.Repeat said method, many dissimilar steel source nipple docking operations can be completed, convenient
Subsequently to the docking circumferential weld volume industrial TV defect detecting test operation of part pipe joint.
3rd, work as outside rotation displacement screw 5-3 by using inner hexagon spanner, the connecting rod 2-5 in top bracing mechanism 2 will produce
The raw action that turns clockwise, so that the rotating deviation l1 in connecting rod 2-5 resets, the side ring 2-4 in top bracing mechanism 2 can produce
The action moved inwards is so that the strut 2-1 in top bracing mechanism 2 synchronously produces the action shunk inwards so that in expansion mechanism 1
Swelling bushing pipe 1-6 two ends cylindrical ф 1 is returned back to by ф 2, that is, complete pipe docking swelling device divide with the handling of pipe part
From.
Claims (10)
1. a kind of pipe docking swelling device is it is characterised in that include:
By being connected two ends respectively with two tubes, make the expansion mechanism (1) that two tubes dock;
For controlling expansion mechanism (1) expansion or shrinking, thus realize expansion mechanism (1) and fixing with pipe or detached shore machine
Structure (2);
For driving the shift mechanism (5) of top bracing mechanism (2) action.
2. as claimed in claim 1 a kind of pipe docking swelling device it is characterised in that: described expansion mechanism (1) internal two
End is respectively provided with a top bracing mechanism (2), is rotatably attached by bearing pin (3) between expansion mechanism (1) and top bracing mechanism (2);Move
Position mechanism (5) is in expansion mechanism (1), and is connected with top bracing mechanism (2);Spring (6) located at shift mechanism (5) top, and
It is close to expansion mechanism (1) inwall.
3. as claimed in claim 2 a kind of pipe docking swelling device it is characterised in that: described expansion mechanism (1) includes swollen
Pian tight liner pipe (1-6), swelling bushing pipe (1-6) bosom is radially provided with upper and lower two boss being oppositely arranged (1-3), top
Boss (1-3) in be provided with blind hole (1-4) for installing described spring (6), be provided with for pacifying in the boss (1-3) of bottom
Fill the tapped through hole (1-5) of described shift mechanism (5).
4. as claimed in claim 3 a kind of pipe docking swelling device it is characterised in that: described swelling bushing pipe (1-6) two ends
Inwall be respectively welded with multiple be evenly arranged for the contiguous block (1-1) being connected with described top bracing mechanism (2).
5. as claimed in claim 4 a kind of pipe docking swelling device it is characterised in that: described swelling bushing pipe (1-6) two ends
The a plurality of notch (1-2) being evenly arranged respectively is had on wall, and notch (1-2) position is corresponding to described contiguous block (1-1) position
Stagger.
6. as claimed in claim 4 a kind of pipe docking swelling device it is characterised in that: described top bracing mechanism (2) includes side
Ring (2-4), multiple strut (2-1) one end are rotatably attached with side ring (2-4), and described strut (2-1) other end is swollen with described
The contiguous block (1-1) of Pian tight liner pipe (1-6) inwall connects one to one;Side ring (2-4) center also is provided with contiguous block (1-1), connecting rod
(2-5) it is rotatably attached with the contiguous block (1-1) at side ring (2-4) center.
7. as claimed in claim 6 a kind of pipe docking swelling device it is characterised in that: described shift mechanism (5) includes moving
Position screw (5-3), center ring (5-2) is rotatably disposed within displacement screw (5-3), and end is passed through back-up ring (5-1) and closed;Displacement
Screw (5-3) in the tapped through hole (1-5) of described expansion mechanism (1), center ring (5-2) and described expansion mechanism (1) two
The connecting rod (2-5) of two top bracing mechanisms (2) at end connects.
8. as claimed in claim 7 a kind of pipe docking swelling device it is characterised in that: described displacement screw (5-3) top
It is soket head cap screw structure for multidiameter, bottom;Described center ring (5-2) is on the multidiameter of displacement screw (5-3);Described
Multidiameter is provided with the groove for installing described back-up ring (5-1).
9. as claimed in claim 7 a kind of pipe docking swelling device it is characterised in that: described expansion mechanism (1) on-expansible
Under state, the angle between strut (2-1) and side ring (2-4) is obtuse angle, the angle between center ring (5-2) and connecting rod (2-5)
For obtuse angle.
10. a kind of pipe docking swelling device as described in any one of claim 3~5 it is characterised in that: described swelling bushing pipe
(1-6) it is spring steel material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620655959.3U CN205895796U (en) | 2016-06-28 | 2016-06-28 | Pipe butt joint is expanded and is tightly installed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620655959.3U CN205895796U (en) | 2016-06-28 | 2016-06-28 | Pipe butt joint is expanded and is tightly installed |
Publications (1)
Publication Number | Publication Date |
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CN205895796U true CN205895796U (en) | 2017-01-18 |
Family
ID=57769678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620655959.3U Withdrawn - After Issue CN205895796U (en) | 2016-06-28 | 2016-06-28 | Pipe butt joint is expanded and is tightly installed |
Country Status (1)
Country | Link |
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CN (1) | CN205895796U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105909634A (en) * | 2016-06-28 | 2016-08-31 | 上海锅炉厂有限公司 | Pipe abutting and expanding device |
CN114834072A (en) * | 2022-04-06 | 2022-08-02 | 何赞新 | Thermoplastic liner pipe integrated assembling equipment for pipeline repair |
-
2016
- 2016-06-28 CN CN201620655959.3U patent/CN205895796U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105909634A (en) * | 2016-06-28 | 2016-08-31 | 上海锅炉厂有限公司 | Pipe abutting and expanding device |
CN105909634B (en) * | 2016-06-28 | 2018-06-26 | 上海锅炉厂有限公司 | A kind of pipe docks swelling device |
CN114834072A (en) * | 2022-04-06 | 2022-08-02 | 何赞新 | Thermoplastic liner pipe integrated assembling equipment for pipeline repair |
CN114834072B (en) * | 2022-04-06 | 2023-08-18 | 江西国排建设工程有限公司 | Thermoplastic liner tube integrated assembly equipment for pipeline repair |
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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: 20170118 Effective date of abandoning: 20180626 |
|
AV01 | Patent right actively abandoned |