CN207777877U - The device for making of threeway intersection sealing structure in a kind of pressure sealing operation - Google Patents

Abstract

The utility model provides a kind of device for making of threeway intersection sealing structure in pressure sealing operation：Including pedestal, slide unit, mold roller, fixed frame and briquetting；The fixed mount setting is on pedestal, mold roller is set on fixed frame, and mold roller is opposite with the sliding slot being opened on pedestal and the through slot being opened on fixed frame respectively, and briquetting is set in through slot, slide unit is set in sliding slot, there is interval between slide unit and mold roller.By using device described in the utility model, the most of preparation for producing sealing structure is not necessarily to that, in leak scene, construction personnel can be greatly reduced in the poisonous and harmful place residence time；Craftsmanship is required low；One-pass molding avoids gesticulating repeatedly, can overcome the shortcomings of existing sealing structure processing completely, work well.

Description

The device for making of threeway intersection sealing structure in a kind of pressure sealing operation

Technical field

The utility model belongs to pressure pipeline safe handling and maintenance technology field, more particularly to three-way pipeline weld seam position Carry out intercepting the device of intersection after leakage in local leak stopping.

Background technology

There is pipe leakage and are generally difficult to avoid in the fields such as petrochemical industry, thermoelectricity, the continuity features of these fields production It is required that being unable to parking process, pressure sealing is to alleviate this contradictory effective means.General leak source on-line processing method relative at It is ripe, and the processing of three-way pipeline weld leakage is more intractable.

The processing method of threeway weld leakage also there are many, fixture method is one of common method.Fixture method handles threeway The key of leakage point is to make suitable fixture, forms the sealing for leak point using fixture, that is, makes sealing structure, usually Fixture have monoblock type fixture and local blocking clamper.Monoblock type fixture pressure sealing drawback is apparent, and fixture fabrication amount is huge Greatly, sealant consumption is more, and labor intensity is big, is easy by environmental constraints.Therefore generally mostly use local fixture leak stopping at present, i.e., The fixture of making is only to encase threeway leakage weld seam, forms a smaller confined space, since space is substantially reduced, gram Various drawbacks of integral three-way fixture are taken, leak stopping success rate is improved, and plugging time significantly shortens.

Local blocking clamper is when for being sealed tube circular cross-sectional area, structure type and the flange leak stopping of use Fixture is similar, is easily worked making using lathe, and sealed precision is high, and for branch pipe at main pipe welding position leak source it is close Envelope, since fixture needs the intersection of sealing main pipe and branch pipe binding site, producing process is complicated, time-consuming.It produces at present Method has following two：

(1) setting-out, scribing line, oxyacetylene metal-cutting interception：This way for producing intersection sealing structure is essentially all handwork, Precision and stability are all difficult to ensure, more demanding to the level of skill of making；

(2) form cutting：It is non-although clamp precision is very high, installation post gap is small using Boring machine processing intersection sealing structure It is adapted to plugging operations, but the operation of boring machine is required high, for example, under boring cutter force unbalance, the depth of cut must be very Small, revolution must be very low, further needs exist for making dedicated clamp for machining, and fabrication cycle is longer, and manufacturing cost is also higher, It will not almost be used in real work.

In view of the above analysis, and in view of local fixture method pressure sealing, especially in the very strict area of limitation of getting angry Domain wants reliable processing threeway to leak, and critical control point is just in easy, accurate, the reliable system of intersection sealing structure It takes.

Invention content

The purpose of this utility model is to provide threeway intersection sealing structures in a kind of pressure sealing operation to produce dress It sets.

In order to achieve the above objectives, the utility model uses following technical scheme：

The device for making includes pedestal, slide unit, mold roller, fixed frame and briquetting；The fixed mount setting on pedestal, Mold roller is set on fixed frame, mold roller respectively with the sliding slot being opened on pedestal and the through slot being opened on fixed frame Relatively, briquetting is set in through slot, and slide unit is set in sliding slot, there is interval between slide unit and mold roller.

Preferably, the fixed frame uses planer-type.

Preferably, the fixed frame includes the column for being used to support mold roller end face (mold roller is made to be in horizontality), And it is set to the crossbeam on column.

Preferably, the upper and lower sides side of the through slot perforation crossbeam and perforation are positioned at two sides of mold roll end Face, briquetting are corresponding to perforation groove shape.

Preferably, the moving direction of the slide unit and mold roller are axially vertical.

Preferably, the sliding slot be rectangular channel, the bottom surface of sliding slot and positioned at two sides of mold roll end be slide unit into The another two side of the guide pass of line slip, sliding slot is positioning surface, and the distance between two positioning surfaces are more than slide unit in sliding side Upward size, preferably >=2 times.

Preferably, the device for making further includes the slide and brace being set on fixed frame, and the brace includes and cunning Seat connected cantilever is provided with lifting arm on cantilever, rotatable pipe clamp is provided on lifting arm.

The beneficial effects of the utility model are embodied in：

By using device described in the utility model, the most of preparation for producing sealing structure is not necessarily to leaking now , construction personnel can be greatly reduced in the poisonous and harmful place residence time；Craftsmanship is required low；One-pass molding avoids It gesticulates repeatedly, can overcome the shortcomings of existing pipe communicated wire sealing structure processing completely, work well.

Description of the drawings

Fig. 1 is leakage three-way pipe schematic diagram；

Fig. 2 is that threeway intersection sealing structure produces schematic diagram；

Fig. 3 is threeway intersection sealing structure device for making front view；

Fig. 4 is threeway intersection sealing structure device for making side view (not installing cantilever and lifting arm)；

In figure：1 is tee branch, and 2 be threeway main pipe, and 3 be leak point, and 4 be fixture short tube, and 5 be anchor ear, and 6 moulds, 7 are Weld seam, 8 be pedestal, and 9 be slide unit, and 10 be sliding slot, and 11 be mold roller, and 12 be fixed frame, and 13 be briquetting, and 14 be slide, and 15 be outstanding Arm, 16 be lifting arm, and 17 be pipe clamp.

Specific implementation mode

The utility model is described in further detail with reference to the accompanying drawings and examples.

Referring to Fig. 1 and Fig. 2, the thinking that the utility model produces threeway intersection sealing structure is as follows：

Leak scene is avoided, using the pipeline as leakage three-way pipe main pipe 2 as mould 6, sheet metal is fabricated to and is embraced Hoop 5 (anchor ear is docked using two semicircular arc structural members and using connector, and bolt or rivet can be used in docking), by mould 6 bandings are embraced in fact, then weld a similar fixture short tube according to the shape of leakage three-way pipe branch pipe 1, angle on this anchor ear 4, between this fixture short tube 4 and anchor ear 5 can direct welding fabrication, welding terminates the phase between rear jig short tube 4 and anchor ear 5 Transversal shape is just secured in the form of weld seam 7, and the geomery of intersection will not be influenced by dismantling anchor ear 5 at this time, remove folder After having short tube and anchor ear, with thermal cutting, machining or the redundance for blocking fixture short tube 4 on anchor ear is removed by hand, such as This, which is just obtained, is bonded 3 sealing structure of close threeway intersection welding seam leak point with leakage three-way pipe main pipe 2.

According to the above thinking, the utility model proposes a kind of threeway intersection sealing structure device for making, to realize letter It is single, conveniently, efficient, safe and reliable blocking clamper is produced and plugging operations.Referring to Fig. 3 and Fig. 4, which includes Pedestal 8, slide unit 9, mold roller 11, fixed frame 12, briquetting 13, slide 14 and the fixture short tube branch being mountable on slide 14 Tool.Pedestal 8 is planer-type for fixing whole device, fixed frame 12, is mounted on pedestal 8, installation mold roller in fixed frame 12 11 (mold roller plays the effect of above-mentioned mould 6), 11 both ends of the surface of mold roller are rotatably supported in the column portion of fixed frame 12 On, the lower half circumference of mold roller 11 and the sliding slot 10 being opened on pedestal 8 are opposite, and slide unit 9 is mounted in sliding slot 10, sliding slot 10 Bottom surface and two sides on the inside of 12 column portion of fixed frame are guide pass of the slide unit 9 into line slip, another the two of sliding slot 10 A side is positioning surface, and 11 respective side underlying space of mold roller can be conceded by Mobile Slide 9, conveniently exits armful processed Bind round 5 structural members.The upper semicircumference of mold roller 11 is opposite with the header portion of fixed frame 12, and header portion has from its top surface the bottom of to The through slot (and penetrating through to both sides column portion lateral surface) that face extends, through slot should also have certain thickness, to reserve foot Enough spaces are embedded in through slot for exiting, fixing 5 structural member of anchor ear, briquetting 13, then can be fixed for processing 5 structural member of anchor ear Sheet metal, facilitate the processing of beating of 5 structural member of anchor ear, remove the briquetting 13 in through slot, then can replace suitable diameter Mold roller 11 and exit 5 structural member of anchor ear processed.

In order to before welding easily and fast, the position and angle of accurate adjustment and stationary fixture short tube 4 on anchor ear 5, Slide 14 and fixture short tube brace are provided on the header portion of fixed frame 12, fixture short tube brace includes cantilever 15, rises Drop arm 16 and pipe clamp 17, slide 14 can be slided with respect to header portion, and cantilever 15 is mounted on slide 14, and lifting arm 16 is mounted on outstanding On arm 15, pipe clamp 17 is connected to by an axis or two axis driving parts or simple ball-joint on lifting arm 16, and fixture short tube adds After work is good (including diameter selection, length interception, and with anchor ear surface soldered position correction of the flank shape is carried out according to intersection form) i.e. It is securable on pipe clamp 17, position is adjusted by slide 14 and lifting arm 16, and after being adjusted the angle by rotating pipe clamp 17, i.e., It can be welded with 5 structural member of anchor ear.

Threeway intersection sealing structure can be easily processed using above-mentioned device for making, the specific implementation step of processing is such as Under：

1) insulating layer, the sundries etc. at leakage three-way pipe (near intersection leakage point) are cleared up；

2) leakage three-way pipe main pipe, the outer diameter of branch pipe, leakage three-way pipe weld seam (intersection) parameter, the phase of branch pipe and main pipe are measured Mutual position relationship and angle；

3) mold roller 11 is selected according to 2 outer diameter of leakage three-way pipe main pipe, mold roller 11 is packed into fixed frame 12, by thickness 4~ 6mm steel plates are sent into from through slot, and using mold roller as deflector roll, steel plate front end are made to extend in sliding slot 10；Then from fixation Briquetting 13 is knocked at 12 top of frame, after briquetting is knocked in completely, is then on the one hand secured steel plate, has on the one hand been processed 5 structure of anchor ear The side junction portion of part is mould with mold roller 11 then in the way of beating, and steel plate is processed as semi arch (it is required that embracing Lock ring reality mold roller side), steel plate front end (being located at sliding slot side) is then bent and spacer region between embedded slide unit 9 and mold roller 11 Interior, two 5 structural members of anchor ear can be processed simultaneously in order to improve efficiency by forming the blank body of other side junction portion；

4) to offside (opposite hooping structure part side) Mobile Slide 9, the sliding slot conceded on the downside of 5 structural member of anchor ear is empty Between, and using 9 side of slide unit as mould, by blank body beat for junction portion correct angle (i.e. with semicircle end of arc tangent line side To vertically)；If machined two hooping structure parts simultaneously, need from side (fixed frame is located at the arbitrary side of column portion) Briquetting 13 is knocked out, to exit the hooping structure part that one of them is processed, briquetting is then embedded in again and fixes another anchor ear Structural member；

5) prepare a section fixture short tube 4 (one end is processed as mutually passing through with hooping structure part), axial dimension cannot be less than 50mm, internal diameter requires can be fully wrapped around firmly by the weld seam at leakage three-way pipe intersection, and (was both given more than leakage three-way pipe branch pipe outside diameter Structure on branch pipe concedes requisite space, and ensures to cover threeway intersection leak source, such as takes 30mm or more)；

6) by ready fixture short tube 4 using the brace be mounted on slide 14 on, after adjustment by fixture short tube 4 according to Relative position, the angle of leakage three-way pipe (main pipe and branch pipe) are welded on a hooping structure part, are dismantled slide, are then log out this Hooping structure part is (referring in particular to step 4)；

7) to being welded with the hooping structure part of fixture short tube, with the method for thermal cutting, machining or craft, by clip occluder Have the redundance removal on the hooping structure part of short tube welding side end face, has just obtained can be used for leakage three-way pipe intersection position The sealing structure of pressure sealing operation.

Leak stopping：A hooping structure part (solderless welding fixture short tube) for sealing structure is inserted in from leakage threeway main pipe side, Another hooping structure part for being welded with fixture short tube is divided into two along symmetric position, respectively from branch pipe both sides (above and below such as Side) it is inserted in, it is fastenedly connected again by two respective junction portions of hooping structure part after soldering, to complete leak stopping.

The utility model is novel, simple, live not to get angry, produced intersection sealing structure is reliable.

Claims (7)

1. the device for making of threeway intersection sealing structure in a kind of pressure sealing operation, it is characterised in that：The device for making packet Include pedestal (8), slide unit (9), mold roller (11), fixed frame (12) and briquetting (13)；The fixed frame (12) is set to pedestal (8) on, mold roller (11) is set on fixed frame (12), mold roller (11) respectively with the sliding slot (10) that is opened on pedestal (8) And the through slot being opened on fixed frame (12) is opposite, briquetting (13) is set in through slot, and slide unit (9) is set to sliding slot (10) in, there is interval between slide unit (9) and mold roller (11).

2. according to claim 1 in a kind of pressure sealing operation threeway intersection sealing structure device for making, feature It is：The fixed frame (12) uses planer-type.

3. the device for making of threeway intersection sealing structure in a kind of pressure sealing operation according to claim 1 or claim 2, special Sign is：The fixed frame (12) includes the column for horizontally-supported mold roller (11) being connected with mold roller (11) end face, And it is set to the crossbeam on column.

4. according to claim 3 in a kind of pressure sealing operation threeway intersection sealing structure device for making, feature It is：The upper and lower sides side of the through slot perforation crossbeam and two sides positioned at mold roller (11) end, briquetting (13) It is corresponding to perforation groove shape.

5. according to claim 1 in a kind of pressure sealing operation threeway intersection sealing structure device for making, feature It is：The moving direction and mold roller (11) of the slide unit (9) are axially vertical.

6. according to claim 1 in a kind of pressure sealing operation threeway intersection sealing structure device for making, feature It is：The sliding slot (10) is rectangle, and the bottom surface of sliding slot (10) and two sides positioned at mold roller (11) end are slide unit (9) Into the guide pass of line slip, the another two side of sliding slot (10) is positioning surface, and the distance between two positioning surfaces are that slide unit (9) exists The 2 times or more of size in glide direction.

7. according to claim 1 in a kind of pressure sealing operation threeway intersection sealing structure device for making, feature It is：The device for making further includes the slide (14) and brace being set on fixed frame (12), and the brace includes and slide (14) connected cantilever (15) is provided with lifting arm (16) on cantilever (15), and lifting arm is provided with rotatable pipe clamp on (16) (17)。