CN206528095U - Pipe locating device during joining - Google Patents

Abstract

A positioning device (10) for positioning a pipe (20) of a pipe inside the pipe during joining, comprising: a central body (100) having a central axis (X), and a plurality of compression units (200) connected to the central body at equiangular positions around the central body around the central axis. Each pressurizing unit is connected to the central body by a connection mechanism (300), wherein the connection mechanism is expandable to press the inner surface of at least one of the conduits by moving the pressurizing unit outwards in a direction away from the central body, thereby positioning said at least one of the conduits coaxially with the central axis, and the connection mechanism is contractible to move the pressurizing unit inwards towards the central body, thereby releasing said at least one of the conduits. An actuator (400) associated with the central body is adapted to expand or contract the connection mechanism to move the compression unit outwardly from the central body or inwardly toward the central body.

Description

Pipeline positioning device during engagement

Technical field

It is used for the pipeline positioning device in pipeline positioned internal pipeline during engaging the present invention relates to a kind of.

Background technology

Be manufactured for delivering the pipeline of liquid or gas for being used for a long time, its use time up to 59 years or It is more, but damage and deterioration are inevitable.For example, due to being manufactured using polyethylene (PE) or polypropylene (PP) Pipeline there is corrosion resistance, therefore it is becoming increasingly popular.Its shortcoming is intensity or easily damaged property, and its maintenance is generally required Change defective pipeline or pipe section.

Electric smelting engagement provides a kind of mode of relatively rapid reliable engagement PE or PP pipelines or pipe fitting, either repairs Or it is brand-new to install.In this process, the abutting end for two pipelines to be engaged must keep fixed and axially right first Together, this is all required for almost all of joint method.Generally, this point is by using a pair of clamps or propped up Support or structure are completed.There is a lot of reasons to cause to be difficult to or be not convenient to use such holding meanss, for example, clamp strong Lack space around degree deficiency or bonding station.

The present invention attempt by provide it is brand-new or separately have the pipeline positioning device during improved engagement mitigating or At least alleviate problems and defect.

The content of the invention

According to the present invention, provide is used for the pipeline positioning device in pipeline positioned internal pipeline during engaging, Including：Centerbody with central shaft, and be connected on the equiangular position around centerbody around central shaft with centerbody Multiple presser units.Each presser unit is connected to centerbody by a bindiny mechanism, and with being connected with centerbody Actuator.The bindiny mechanism can deploy, and along the direction for leaving centerbody be displaced outwardly presser unit will pass through and press Compel the inner surface of at least one in the pipeline, thus by described in the pipeline at least one be positioned to same with central shaft Axle, and the bindiny mechanism can shrink, to move inward presser unit towards centerbody, thus discharge in the pipeline It is described at least one.Actuator is adapted to deploy or shrink bindiny mechanism, to be displaced outwardly presser unit from centerbody, or Presser unit is moved inward towards centerbody.

Preferably, the centerbody includes a pedestal and one can be by actuator relative to the pedestal structure that pedestal is moved Part, and at least one bindiny mechanism, the bindiny mechanism have Part I, and the Part I is connected with base component, with Just the interior location that external position and at least one the described bindiny mechanism deployed at least one described bindiny mechanism shrinks it Between by actuator perform relative to pedestal movement.

It is further preferred that at least one described bindiny mechanism includes Part II, the Part II and Part I phase Even, will pass through while mobile to deploy or shrink, the Part II is connected with pedestal.

It is further preferred that the Part I and Part II of at least one bindiny mechanism are connected with each other, to carry out Relative pivot movement.

Preferably, Part I has the opposite end being connected respectively with base component and associated presser unit, and Part II has the opposite end with being connected respectively with pedestal and identical presser unit.

It is further preferred that the end for the Part II being connected with presser unit is connected to connect by slide hinge.

In a preferred embodiment, at least one described bindiny mechanism includes the scissor effect formed by two connecting rods Linkage, the connecting rod is by Part I and Part II offer.

In a preferred embodiment, at least one presser unit has substantially flat main body, and the main body has and phase The connected interior section of the bindiny mechanism of association, and for the outer of the inner surface of at least one described in being pressed in the pipeline Portion part.

It is further preferred that the exterior section of the main body, which has, is used to be pressed at least one recessed in the pipeline The exterior contour of slight convex on inner surface.

Preferably, the exterior section of the main body is a different part, and it is removably connected with interior section.

It is further preferred that the inner side of the exterior section of the main body has with extending in central shaft direction that is substantially parallel T-shaped passage, and the interior section have the T-shaped part that the passage is inserted along the direction of the length of the passage.

It is very advantageous that the exterior section of the main body is made of polyformaldehyde material.

It is very advantageous that all bindiny mechanisms all have essentially identical configuration, including corresponding Part I, The Part I is individually connected to base component, so as to simultaneously mobile relative to pedestal by actuator.

In a preferred embodiment, actuator has the actuated piece being fixed together with pedestal, and and base component The plunger of engagement, the plunger is driven by actuated piece, so as to opposite direction relative to pedestal move, thus at least expansion and Shrink at least one described bindiny mechanism.

It is further preferred that the actuator includes a cylinder inner carrier formula system, wherein actuated piece includes cylinder, and plunger Including piston.

It is further preferred that the plunger extends along central shaft from actuated piece.

In a preferred embodiment, pedestal has head portion and tail portion, and it passes through in the way of interval is configured Multiple shaft member that head portion and tail portion are extended in the horizontal direction parallel with central shaft are connected with each other, wherein pedestal Component is located between head portion and tail portion, and is guided by the shaft member and slided in the opposite direction relative to pedestal It is dynamic.

Preferably, the positioner includes at least two bindiny mechanisms with essentially identical configuration.

It is further preferred that the positioner includes the essentially identical bindiny mechanism of four structures.

In a preferred embodiment, positioner abuts into deploy along identical central shaft two including the head of a quilt The individual centerbody, is connected with each in the two centerbodies and can be operated respectively on the pipeline according to the rules Corresponding multiple presser units, and be connected respectively with two centerbodies and can be according to predetermined operation two institutes State actuator.

In a preferred embodiment, positioner by end-to-end including being bonded into deploy along identical central shaft two The individual centerbody, is connected with each in the two centerbodies and can be operated respectively on the pipeline according to the rules Corresponding multiple presser units, and be connected respectively with two centerbodies and can be according to predetermined operation two institutes State actuator.

In a further advantageous embodiment, positioner includes two presser units, and these presser units are connected to The corresponding opposite end of centerbody, and can operated respectively on the pipeline according to the rules.

Brief description of the drawings

The present invention is more particularly described referring now to accompanying drawing and by example, wherein：

Fig. 1 is the schematic sectional side view by being arranged two pipelines of fused coupler engagement；

Fig. 2 be the engagement for Fig. 1 during pipeline positioner one embodiment perspective view, the positioner For in the pipeline positioned internal pipeline；

Fig. 3 is the side view of the positioner in Fig. 2；

Fig. 4 is the end-view of the positioner in Fig. 3；

Fig. 5 is the decomposition diagram of the positioner in Fig. 2, and which show all component of the positioner；

Fig. 6 is the enlarged perspective of the presser unit for the corresponding bindiny mechanism for carrying the positioner in Fig. 5；

Fig. 7 is the perspective view similar to Fig. 2, and second end part of the first end part relative to opposite end is shown in it And by radial development to a greater degree of positioner；

Fig. 8 is the cross-sectional side view of the positioner in Fig. 7 for using when two pipelines are engaged with fused coupler Figure, wherein first end position is deployed and clamps corresponding pipeline；

Fig. 9 is the end-view of positioner in Fig. 8, pipeline and fused coupler；

Figure 10 is cross sectional side view corresponding with Fig. 8, and the positioning for equally deploying and clamping another pipeline is shown in it The second end of device；And

Figure 11 is the end-view of positioner in Figure 10, pipeline and fused coupler.

Embodiment

Refer to the attached drawing, is shown which the positioner 10 for the pipeline 20 during implementing engagement of the invention, makees For example, the engagement is electric smelting engagement, and described device is used for the positioned internal pipeline 20 in pipeline 20, especially by pipeline 20 It is positioned to fixed and aligns coaxially to each other.For electric smelting engagement, it be placed around two ends 22 of aliging with insertion Heating coil 32 cylindricality fused coupler 30.Then, energy is provided for heating coil 32 by applying electric energy, can be with soft Change the PE/PP materials on the interface between fused coupler 30 and pipe end 22 and it is fully melted, thus fuse together.

Positioner 10 includes the centerbody (hub) 100 with horizontal-extending central shaft X, and by symmetrical Corresponding bindiny mechanism of the ground around centerbody 100 and on central shaft X equiangular position is connected to multiple pressures of centerbody 100 Piece (presser) unit 200.In addition, centerbody 100 is also connected with an actuator 400, the actuator is adapted to operation The bindiny mechanism 300, that is, spread out and shrink.

Each bindiny mechanism 300 be it is extensible, thus can be by being moved radially outward correlation from centerbody 100 The presser unit 200 of connection oppresses the inner surface of at least one pipeline 20, so as to clamp and position and coaxial described of central shaft X At least one pipeline 20.In follow-up phase, the bindiny mechanism 300 is contractile, is thus moved inward towards centerbody 100 Presser unit 200, so as to discharge at least one described pipeline 20.Actuator 400 is used to deploy and shrink bindiny mechanism 300, with Just move radially outward presser unit 200 from centerbody 100 in a uniform matter, or move inward towards centerbody 100 plus Press unit 200.

In order to which one or more pipelines 20 are maintained at into stable position, it should use herein with corresponding bindiny mechanism Presser unit 200 as 300 and at least three preferably with essentially identical configuration.It is strong in view of stability, clamping Degree and production cost, it is preferable to single using being pressurizeed around centerbody 100 and with four groups of identicals at right angle interval Member 200 and bindiny mechanism 300.

In this specific embodiment, positioner 10 includes two centerbodies 100, and the centerbody 100 with Head to head or end-to-end mode is engaged, thus extend in coaxial fashion along identical central shaft X.The two centerbodies Each in 100 can be connected by corresponding bindiny mechanism 300 with the presser unit 200 of one group four, and as above institute State, the centerbody also actuator 400 associated with one is connected, it is corresponding to act on one in Liang Genguan roads 20 Official road 20.The two centerbodies 100 are bonded together in the opposite end of pad 101 by three connecting pins 103, wherein the connection Pin passes perpendicularly through pad 101 and fixed with the abutting end of centerbody 100.

The two centerbodies 100 are connected with each other and serve as single centerbody (having at least Double Length), wherein the list The relative left side of individual centerbody and right side are connected with two groups of presser units 200 respectively, so as to by same end or in phase The identical actuator 400 provided on same centerbody 100 is operated.Each group of four presser units 200 be responsible for it is independent compress and The corresponding pipeline in this two pipelines 20 is positioned, so that can be with this two pipelines 20 of consecutive operation, it is possible thereby to convenient operation.

Operationally, when a pipeline 20 is in appropriate position (such as first or previous pipeline), at this moment it can use One group of presser unit 200 of the first end position (i.e. the first centerbody 100) in positioner 10 is by positioner 10 Applied to the free end of the pipeline 20, and second end position or centerbody 100 can remain exposed at outside.Then, in pipe The free end in road 20 will arrange fused coupler 30.Then, another pipeline 20 can be brought to close position and be positioned Into with the co-axially align of the first pipeline 20, its near-end 22 can be inserted into fused coupler 30 and be arranged in the positioner 10 being exposed Second end (referring to Fig. 8).Remaining one group of presser unit 200 is most unfolded at last, so as to oppress and thus clamp and Second pipe 20 (referring to Figure 10) is kept to be firmly in the position alignd with the first pipeline 10, so that preparation is by fused coupler 30 are engaged.

Once by the abutting end welding of fused coupler 30 and this two pipelines 20, then it can be discharged by radial contraction All presser units 200, and then these presser units can be removed by second pipe 20.Then, the 3rd pipeline can Second pipe 20 is bonded in a like fashion to adopt.

The structure of positioner 10 is further described referring now to any centerbody in two centerbodies 100.

Centerbody 100 is preferably what is be made of the metal of such as stainless steel etc.It includes pedestal 100 and can be by actuator 400 base components 120 moved in the mode relative with pedestal 110.Pedestal 110 has a head portion 111 and a tail Portion part 112, the two parts are all general flats and vertically extending, and all use generally square plate Form, therefore hereinafter referred to as top plate 111 and tailgate 112.Base component 120 is equally general flat, still Its thickness is bigger, and with the substantially criss-cross section relative with general square shape.

Top plate 111 and tailgate 112 be by it is multiple or four in the horizontal direction parallel with central shaft X extend to top plate 111 and the shaft member 130 of tailgate 112 be connected with each other in the way of interval is configured.Base component 120 is located at top plate 111 and tailgate Guided between 112 and by shaft member 130, to be slided in the opposite direction in the mode relative with pedestal 110.The shaft member The 130 corresponding holes run through in base component 120.

Actuator 400 has the actuated piece 410 being fixed together with pedestal 110 and the plunger 420 therefrom stretched out, and Both is preferably all to be made using the metal of stainless steel etc.Actuator is attached to the tail of pedestal 110 in coaxial fashion Plate 112, and plunger 420 then extends and engaged with base component 120 in the horizontal direction along central shaft X.Actuator 400 is one Individual cylinder inner carrier formula hydraulic pressure or pneumatic system, wherein actuated piece 410 are included or there is provided cylinder, and plunger 420 then includes piston Or be attached thereto.The cylinder, which has, is used to suck forced air or oil to drive forwards the first port 411 of plunger 420, with And for sucking forced air or the oily second port 412 to back-drive plunger 520 in piston opposite end.

In operation, plunger 420 is driven by actuated piece 410, to cause that base component 420 is relative in the opposite direction Slided in pedestal 110, it is deployed bindiny mechanism 300 by forward slip and shrinks bindiny mechanism by sliding backward 300, or, in various embodiments, if only driving actuated piece in the forward direction with hydraulic pressure or pneumatic mode 410, then it will be allowed to be shunk.

With reference to bindiny mechanism 300, each of which bindiny mechanism is all the scissor effect linkage formed by two parts Device, wherein two described parts use the form of the first and second connecting rods 310 and 320, and preferably with stainless What the metal of steel etc was made.Connecting rod 310 and 320 is connected with each other in the position of its about intermediate length by hinge connection, with Just carry out relative pivot movement, thus, connecting rod 310 and 320 can be pivoted simultaneously, so as to pedestal 110 or centerbody 100 Relative expansion in the reverse direction and contraction.

Second connecting rod 320 has the first and second relative ends 321 and 322, and wherein first end 321 is hinged to base The top plate 111 of seat, and second end 322 is hinged to the back side of presser unit 200 by a slide hinged connection.By It is fixed (because it is a part for pedestal 110) in top plate 111, therefore, the intelligence of second connecting rod 320 surrounds its first end 321 carry out the pivot relative to pedestal 110.

First connecting rod 310 has the first and second relative ends 311 and 312, and wherein first end 311 is hinged to base Seat component 120, and second end 312 is hinged to the back side of identical presser unit 200.Once by actuator 400 relative to base 110 forward slips of seat, then base component 120 can be pivoted out first connecting rod 310 from pedestal 110, and this will transfer simultaneously to Outer pivot second connecting rod 320, thus, bindiny mechanism 300 will be unfolded.Once slided backward relative to pedestal 110 by actuator 400 Dynamic, then the meeting of base component 120 pivots first connecting rod 310 towards pedestal 110 is inside, and this transfers simultaneously inside pivot second to connect Bar 320, thus, bindiny mechanism 300 will shrink.

Generally, in the external position and bindiny mechanism 300 that first connecting rod 310 can deploy in bindiny mechanism 300 are shunk Slided between portion position by actuator 400 relative to pedestal 110.In order to simplify structure and force balance, all bindiny mechanisms 300 Configuration be all roughly the same, but this is not required in that, the configuration contains corresponding first connecting rod 310, described the One connecting rod is individually connected to pedestal 120, so as to simultaneously mobile relative to pedestal 110 by actuator 400.

Presser unit 200 is turned finally to, each of which presser unit all has substantially flat main body 201, wherein The main body includes the interior section 220 being connected with associated bindiny mechanism 300, and using palmate part 210 form it is outer Portion part, to oppress the inner surface of pipeline 20.The palmate part 210 has with the concave shape of the inner surface of pipeline 20 substantially The profile of the slight convex of matching.Although interior section 220 is preferably what is be made of the metal of stainless steel etc, palmate part 210 be the different parts being preferably made of polyformaldehyde material, and wherein the part has enough intensity, but be not as hard as steel Firmly, thus the damage of its inner surface to pipeline 20 is minimized.

Palmate part (exterior section) 210 is removably connected with interior section 220, it is possible thereby to when it weares and teares pair It is changed.More specifically, palmate part 210 has the T-shaped passage with being upwardly extended in the side for being basically perpendicular to central shaft X The inner side formed together.Interior section 220 has the T-shaped part of the direction insertion passage 211 of the length along passage 211 221, the wherein part is inserted as frictional fit, or is fixed on by shown screw 222 in passage 211 's.

It should be noted that by the characteristic for the pipeline to be engaged generally with how to be positioned to it is nothing to carry out engagement Close, therefore, for any kind of pipeline, no matter the pipeline is made of metal, concrete or other any materials , or for delivering water, steam, gas or oil etc., positioner of the invention is all applicable.It is former for identical Cause, although the pipeline joint method for being particularly advantageous in performing in pipeline external using this positioner, such as described electric smelting Engagement, but in order to which the type for engaging the joint method performed by the pipeline that this positioner is positioned is not associated.

The present invention is merely possible to what example was provided, in the situation for the invention scope for not departing from appended claims Under, those skilled in the art can perform other different modifications and/or change to described embodiment.

Claims (22)

1. it is a kind of during engaging be used for pipeline positioned internal pipeline pipeline positioning device, including：

Centerbody, it has central shaft；

Multiple presser units, it is on the equiangular position around the centerbody and around the central shaft and the center body phase Even, each presser unit is connected to the centerbody by bindiny mechanism；And

Actuator, it is connected with the centerbody；

Characterized in that, the bindiny mechanism is extensible, with will pass through leave the centerbody direction be displaced outwardly it is described Presser unit oppresses the inner surface of at least one in the pipeline, thus by least one positioning described in the pipeline Into with the central axis, and the bindiny mechanism be it is contractile, so as to towards the centerbody move inward it is described plus Press unit, thus discharge in the pipeline it is described at least one；And the actuator is adapted to deploy or shrinks the company Connection mechanism, to be displaced outwardly the presser unit from the centerbody, or towards the centerbody moves inward the pressurization Unit.

2. positioner according to claim 1, it is characterised in that the centerbody includes pedestal and by the actuator phase For the moveable base component of the pedestal, and at least one bindiny mechanism, the bindiny mechanism has Part I, described Part I is connected with the base component, so as to the external position deployed at least one described bindiny mechanism with it is described at least Movement between the interior location that one bindiny mechanism shrinks by actuator execution relative to the pedestal.

3. positioner according to claim 2, it is characterised in that at least one described bindiny mechanism includes second Point, the Part II is connected with the Part I, with will pass through simultaneously move to deploy or shrink, the Part II and The pedestal is connected.

4. positioner according to claim 3, it is characterised in that described first of at least one bindiny mechanism Divide and the Part II is connected with each other, to carry out relative pivot movement.

5. positioner according to claim 3, it is characterised in that the Part I have respectively with the pedestal structure The connected opposite end of part and associated presser unit, and the Part II have with respectively with the pedestal and it is same plus The opposite end for pressing unit connected.

6. positioner according to claim 5, it is characterised in that the Part II being connected with the presser unit End connected by slide hinge connection.

7. the positioner according to any claim in claim 3-6, it is characterised in that at least one described connection Mechanism includes the scissor effect linkage formed by two connecting rods, and the connecting rod is by the Part I and described second What part was provided.

8. the positioner according to any claim in claim 2-6, it is characterised in that at least one presser unit With substantially flat main body, the main body has the interior section being connected with associated bindiny mechanism, and for being pressed in State the exterior section on the inner surface of at least one in pipeline.

9. positioner according to claim 8, it is characterised in that the exterior section of the main body, which has, to be used to be pressed in The exterior contour of the slight convex on the inner surface of at least one in the pipeline.

10. positioner according to claim 8, it is characterised in that the exterior section of the main body is different portions Divide, and it is removably connected with the interior section.

11. positioner according to claim 10, it is characterised in that the inner side of the exterior section of the main body has There is the length along the passage in the T-shaped passage with extending in the central shaft direction that is substantially parallel, and the interior section The T-shaped part of the passage is inserted in the direction of degree.

12. positioner according to claim 8, it is characterised in that the exterior section of the main body is to use polyformaldehyde What material was made.

13. the positioner according to any claim in claim 2-6, it is characterised in that all bindiny mechanisms are all With essentially identical configuration, including with corresponding Part I, the Part I is individually connected to the base component, So as to simultaneously mobile relative to the pedestal by the actuator.

14. the positioner according to any claim in claim 2-6, it is characterised in that the actuator has The actuated piece being fixed together with the pedestal, and the plunger engaged with the base component, the plunger is by the actuating Part drives, to move the base component relative to the pedestal in opposite direction, thus at least deploys and shrinks described At least one bindiny mechanism.

15. positioner according to claim 14, it is characterised in that the actuator includes cylinder inner carrier formula system, institute Stating actuated piece includes cylinder, and the plunger includes piston.

16. positioner according to claim 14, it is characterised in that the plunger is along the central shaft from the actuating Part extends.

17. the positioner according to any claim in claim 2-6, it is characterised in that the pedestal has head Portion part and tail portion, the head portion and the tail portion in the side parallel with the central shaft by upwardly extending Multiple shaft member between head portion and tail portion are connected with each other in the way of interval is configured, and the base component is located at the head Between portion part and the tail portion, and by shaft member guiding with the opposite direction relative to pedestal cunning It is dynamic.

18. the positioner according to any claim in claim 1-6, it is characterised in that the positioner includes The bindiny mechanism of at least three essentially identical structures.

19. positioner according to claim 18, it is characterised in that the positioner includes four essentially identical structures The bindiny mechanism.

20. the positioner according to any claim in claim 1-6, it is characterised in that the positioner includes The head of a quilt abuts into two centerbodies extended along identical central shaft, with each phase in the two centerbodies Even and according to the rules exercisable corresponding multiple presser units on the pipeline respectively, and respectively with described two Individual centerbody is connected and according to exercisable two actuators of regulation.

21. the positioner according to any claim in claim 1-6, it is characterised in that the positioner includes By end-to-end two centerbodies for being bonded into and extending along identical central shaft, with each phase in the two centerbodies Even and according to the rules exercisable corresponding multiple presser units on the pipeline respectively, and respectively with described two Individual centerbody is connected and according to exercisable two actuators of regulation.

22. the positioner according to any claim in claim 1-6, it is characterised in that the positioner includes Presser unit described in two groups, these presser units are connected to the corresponding opposite end of the centerbody, and according to the rules respectively in institute State operable on pipeline.