CN205764671U - Pipeline welding contra-aperture device - Google Patents
Pipeline welding contra-aperture device Download PDFInfo
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- CN205764671U CN205764671U CN201620439236.XU CN201620439236U CN205764671U CN 205764671 U CN205764671 U CN 205764671U CN 201620439236 U CN201620439236 U CN 201620439236U CN 205764671 U CN205764671 U CN 205764671U
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- angle
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- ejection pin
- spiral ejection
- conduit saddle
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- 238000003466 welding Methods 0.000 title claims abstract description 123
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Abstract
This utility model provides a kind of pipeline welding contra-aperture device, including two line-up clamp frames, angle-style conduit saddle and two spiral ejection pins.Described line-up clamp frame is handle-type, there is horizontal flat upper end, vertical middle part and become the bottom at 135 degree of angles with vertical middle part, described angle-style conduit saddle is become the V-type metal material of 90 degree to be made by two planes, on the medial slope of the bottom that described angle-style conduit saddle is fixed on said two line-up clamp frame, said two line-up clamp frame lays respectively at the two ends of described angle-style conduit saddle;The horizontal flat upper end of described line-up clamp frame offers tapped through hole, the central axis upright of this tapped through hole in the crestal line of angle-style conduit saddle and with the crestal line of angle-style conduit saddle in a plane;Described spiral ejection pin is for having threaded bar, and its lower end is through the tapped through hole in described line-up clamp frame can be by described tapped through hole precession or back-out.Utilize this utility model can make two pipe end rapid alignments, reach welding requirement.
Description
Technical field
This utility model relates to mechanical erection and maintenance field, particularly for the pipe of tubular metal thing welding
Road welding contra-aperture device.
Background technology
During many engineering construction installation and maintenance, usually can relate to two caliber same pipeline
Butt welding.In order to ensure that the axiality of pipeline (particularly long-distance transmission pipeline) is (i.e. in butt welding
It is mutually aligned degree) compliant requirement, it is to avoid occur that the defect such as misalignment or pipeline Origuchi causes additional answering
Power thus affect the tubing life-span, generally use pipeline welding line-up clamp to be aligned by the mouth of pipe of two pipelines.
But, structure that existing pipeline welding line-up clamp has is complicated, is difficult to operation, have at butt welding
Time pipeline welding line-up clamp have that clamping dynamics is big not, reliability and stability are strong, persistency is poor or
Hindering the problems such as welding, workmen has to make simple frock clamping by oneself at the construction field (site) sometimes, ensures
The enforcement of butt welding, but can not effectively make the mouth of pipe align, and, tube pitch little particularly with caliber is relatively
The butt welding work of little large area bank of tubes, its pipeline butt quantity is many, and workload is big, and work space is little,
By a definite limitation when current pipeline welding line-up clamp uses in the space that pipeline gap is less, it is easier to
Cause various butt welding defect.
For solving problem above, the welding job for pipeline or bank of tubes provides convenience, it is desirable to provide a kind of
Meet the pipeline welding contra-aperture device of the improvement that job site is actually needed.
Utility model content
For solving the technical problem of existing existence, this utility model provides a kind of pipeline welding contra-aperture device, its
To be welded two pipe end rapid alignments can be made, reach welding requirement.
For reaching above-mentioned purpose, the technical scheme of this utility model embodiment is achieved in that
Pipeline welding contra-aperture device of the present utility model includes two line-up clamp frames, angle-style conduit saddle and two
Individual spiral ejection pin.Wherein, described line-up clamp frame is handle-type, have horizontal flat upper end, vertical in
Portion and become the bottom at 135 degree of angles with vertical middle part, described angle-style conduit saddle is become 90 by two planes
Degree V-type metal material be made, described angle-style conduit saddle with its V-type opening towards said two line-up clamp
On the medial slope of the bottom that the mode of the upper end of frame is fixed on said two line-up clamp frame, described
Two line-up clamp frames are the most spaced a predetermined distance.On the horizontal flat upper end of described line-up clamp frame
Offer tapped through hole, the central axis upright of this tapped through hole in angle-style conduit saddle crestal line and with angle-style conduit saddle
Crestal line in a plane.Described spiral ejection pin is for having threaded bar, and its lower end passes described line-up clamp
Tapped through hole in frame also can be by described tapped through hole precession or back-out.
Alternatively, pipeline welding contra-aperture device of the present utility model also includes being fixed on and said two line-up clamp
Below the plane of the angle-style conduit saddle that the medial slope of the bottom of frame is fixed together and two boil on the nape opposite the mouth
Reinforcement gusset between device frame, the bottom of said two line-up clamp frame is fixed together by it.
Alternatively, described line-up clamp frame, angle steel conduit saddle and reinforcement gusset are made by metal material, and
It is welded into an entirety.Alternatively, described angle-style conduit saddle is made by angle steel.
Alternatively, the position of the middle lower portion of described angle-style conduit saddle offers a window, in order in welding
Time can be pointed to the part to be welded of the position between bottom and the pipeline to be welded of described angle-style trustship and enter
Row spot weld operation.Alternatively, described window is in being square, rectangle, circle and ellipse any one
Plant shape.
Alternatively, said two line-up clamp frame uses steel plate to make.
Alternatively, described spiral ejection pin uses common coarse thread bar or fine thread bar to make.Alternatively,
The upper part of described spiral ejection pin does not have screw thread.Alternatively, described spiral ejection pin do not have threaded
Upper part is thicker than the other parts of described spiral ejection pin.Alternatively, the lower end system of described spiral ejection pin
It is made sphere or through chamfered.
Alternatively, pipeline welding contra-aperture device of the present utility model also includes two push rod handles, by rotating
Described push rod handle can make described spiral ejection pin by described tapped through hole precession or back-out, wherein, described
The upper end of spiral ejection pin offers through hole diametrically, and described push rod handle is through described through hole and can be
Described through hole moves so that the diverse location adjusting described push rod handle is positioned in described through hole;Or it is described
Two push rod handles extend through in the upper part of said two spiral ejection pin and weld with described spiral ejection pin
Together;Or said two push rod handle is respectively welded at the top of said two spiral ejection pin.Alternatively,
The both ends or one end of described push rod handle are provided with cover type nut.
Alternatively, pipeline welding contra-aperture device of the present utility model also include two can spinning block, said two
Can rotatably be installed on the end portion of said two spiral ejection pin by spinning block, accommodate spiral ejection pin
End portion.Alternatively, said two can spinning block be to have end uncovered and have the geometry bodily form of hollow parts
Shape, said two can spinning block there to be bottom surface side to be respectively arranged in described two in the way of described angle-style conduit saddle
The end portion of individual spiral ejection pin, and be contained in by the end section of described spiral ejection pin can spinning block hollow
Part.
Alternatively, ring recess is partially radially offered in the bottom of described spiral ejection pin by subterminal.Described
Can in the middle part of the side of spinning block, be provided with multiple internal thread hole diametrically, multiple location flat head screw respectively from
Described can spinning block outside through the plurality of internal thread hole and stretch out described can the inwall of spinning block and enter
Described hollow parts, the end of described location flat head screw is contained in described spiral ejection pin bottom movably
Described spiral ejection pin bottom can be installed on by spinning block described in ring recess makes.
Alternatively, described can spinning block towards the centre position, side, bottom surface of described angle-style conduit saddle and parallel
On the direction of the angle crestal line of angle-style conduit saddle, offer a V-shaped groove or U-type groove, form pressure pipe groove, use
In pushing down the pipeline to be welded.Alternatively, two groove faces of described pressure pipe groove are arcwall face or plane.Can
Selection of land, two groove faces of described pressure pipe groove have reticulate pattern.Alternatively, described can spinning block be to have end uncovered
Centre has cuboid or the cylindrical shape of hollow parts.Alternatively, described can spinning block use low-alloy
Refractory steel material makes.
Utilize pipeline welding contra-aperture device of the present utility model, the port of two pipelines to be welded can be made fast
Speed alignment, the wrong degree of bias is low, thus fast and easy welding.
Accompanying drawing explanation
In accompanying drawing (it is not necessarily drawn to scale), similar reference can be at different views
Described in similar parts.The similar reference numerals with different letter suffix can represent the difference of similar component
Example.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.Special
Not mentionleting alone bright, in appended accompanying drawing, dotted portion represents the structure of non-visible part.It addition, in order to
The structure of each several part of convenient display and explanation parts, the local in the accompanying drawing having can show this with profile
The internal structure of local.It addition, in the accompanying drawings, using the X-direction shown in Figure 1A turn left from the right side as
Front view direction, Y direction is from left to right as left view direction, and Z-direction is from top to bottom as overlooking
Figure direction.
Figure 1A shows the three-dimensional knot of the pipeline welding contra-aperture device according to a kind of embodiment of the present utility model
Structure schematic diagram;
Figure 1B shows the left view of the pipeline welding contra-aperture device shown in Figure 1A;
Fig. 1 C shows the front view of the pipeline welding contra-aperture device shown in Figure 1A;
Fig. 2 A and Fig. 2 B respectively illustrates wherein comprised in the pipeline welding contra-aperture device shown in Figure 1A
The left view of individual line-up clamp frame and top view;
Fig. 3 A, Fig. 3 B, Fig. 3 C respectively illustrate in the pipe front view road welding contra-aperture device shown in Figure 1A
The left view of angle-style conduit saddle, top view and the front view comprised;
Fig. 4 A shows the structural representation of the spiral ejection pin comprised in the pipeline welding contra-aperture device shown in Figure 1A
Figure;
Fig. 4 B shows the upper part of spiral ejection pin structural representation on A direction in Fig. 4 A;
Fig. 4 C shows the top view of Fig. 4 A;
Fig. 5 A, Fig. 5 B, Fig. 5 C, Fig. 5 D respectively illustrate the pipeline welding contra-aperture device shown in Figure 1A
In comprise can the front view of spinning block, top view, left view and upward view;
Fig. 6 A shows the structural representation of a kind of embodiment of the location flat head screw that this utility model uses;
Fig. 6 B shows the left view of the location flat head screw shown in Fig. 6 A;And
Fig. 7 A, Fig. 7 B and Fig. 7 C respectively illustrate the reinforcement left view of gusset, top view, front view.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should be by
Embodiments set forth here is limited.On the contrary, it is provided that these embodiments are able to be best understood from this
Open, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
The utility model discloses a kind of pipeline welding contra-aperture device, Figure 1A shows according to this utility model
The structural representation of pipeline welding contra-aperture device of a kind of embodiment, Figure 1B shows the pipe shown in Figure 1A
The left view of road welding contra-aperture device;Fig. 1 C shows that the master of the pipeline welding contra-aperture device shown in Figure 1A regards
Figure.As shown in figs. 1 a to 1 c, pipeline welding contra-aperture device of the present utility model includes: two line-up clamp frames
4,1, two spiral ejection pins of angle-style conduit saddle 5, two can 2, two push rod handles 6 of spinning block.
Wherein, line-up clamp frame 4, in handle-type, as shown in Fig. 2 A and Fig. 2 B, has horizontal flat upper end
41, vertical middle part 42 and become the bottom 43 at 135 degree of angles, wherein Fig. 2 A with vertical middle part 42
Show a kind of embodiment of the line-up clamp frame 4 comprised in the pipeline welding contra-aperture device shown in Figure 1A
Left view;Fig. 2 B shows the top view of the line-up clamp frame 4 shown in Fig. 2 A.Line-up clamp frame 4 by
The cylindricality metal material with some strength is made.Such as, use cross section be rectangle or square or
Other shapes of cylindricality metal material makes.Such as, the diameter (abbreviation caliber) for pipe is 20~65mm
The butt welding of pipeline, the steel plate that line-up clamp frame 4 can use thickness to be about 25mm makes, such as
Ordinary carbon steel steel plate is used to cut the type of making.Here, this utility model does not limit the size of used steel plate,
Concrete size determines according to the size of the caliber of the pipeline to be welded.This utility model does not the most limit line-up clamp
The making material that frame 4 is used, it is common that metal and the material that has some strength.
Fig. 3 A, Fig. 3 B, Fig. 3 C respectively illustrate the left view of angle-style conduit saddle 1, top view and front view.
Angle-style conduit saddle 1 is made by V-type metal material, and two planes of described V-type material become 90 degree, uses
In the port section holding two pipelines being intended to butt welding.Angle-style conduit saddle 1 with its V-type opening towards two
The mode of the upper end of line-up clamp frame 4 is fixed on the medial slope of the bottom 43 of two line-up clamp frames 4
On, the most spaced a predetermined distance, such as, two line-up clamp frames 4 are respectively for two line-up clamp frames 4
It is welded on the two ends of angle-style conduit saddle 1.Here, the preset distance at two line-up clamp frame 4 intervals, i.e. angle-style
The length of conduit saddle 1, relevant with the caliber of the pipeline to be welded, weld bond width, generally, caliber is the biggest, institute
State preset distance the biggest, to facilitate the hands that can place welder and operator.And caliber is the biggest, this
The size of other parts of the pipeline welding contra-aperture device of utility model the most correspondingly becomes big.Such as, for right
When the caliber of the pipeline of mouth welding is 20~65mm, described preset distance can about 130mm.Therefore,
The preset distance that two line-up clamp frames 4 are spaced each other determines as desired, and this utility model is to this
It is not particularly limited.Alternatively, the plane-welding near two line-up clamp frames 4 of angle-style conduit saddle 1
On the medial slope of the bottom of said two line-up clamp frame 4, as shown in Figure 1A and 1B.
The arm of angle length of side of the plane of the medial slope being welded in two line-up clamp frames 4 of angle-style conduit saddle 1 is (i.e.,
V-type material forms the length of side on the limit of an angle of 90 degrees), it is substantially equal to or less than two line-up clamp frames
The length of the bottom of 4.Two planes of angle-style conduit saddle 1 can with size is identical can also the width of a plane
Degree (i.e. the arm of angle length of side) is more than width of another plane, such as, angle-style conduit saddle 1 be fixed on two right
The width of the plane of mouthpart frame 4 side is less than the width of another plane.
Alternatively, angle-style conduit saddle 1 can use angle steel to make.Such as, it is 20~65mm for caliber
The butt welding of pipeline, angle-style conduit saddle 1 can use 45mm × 6mm, and (wherein the length of side of angle steel is
45mm, the thickness of angle steel is 6mm) equal leg angle make.Angle-style conduit saddle 1 and line-up clamp frame 4
Contact site full weld connects (position that angle-style conduit saddle 1 as shown in Figure 1 contacts) with line-up clamp frame 4,
Line-up clamp frame 4 after welding is similar in a bottom Light deformation with angle-style conduit saddle 1 in overall appearance
Bracket "] ", this shape is easy to clamp pipeline, additionally also allows for the gap pipeline in bank of tubes, real
Now two pipe ends are gripped.
Alternatively, in the position of middle lower portion of angle-style conduit saddle 1 (i.e. near the side of angle ridge and in interposition
Put) place offers a window 11, (this window 11, in fig. 1 c this window shown in Figure 1A and Fig. 1 C
11 are shown as an oblong openings) so that the bottom of angle-style trustship 1 can be pointed to be welded when welding
Two pipelines between the part to be welded of position carry out spot weld operation, such that it is able to increase to be welded two
Solderable position between two boil on the nape opposite the mouth of root pipe.In Figure 1A and Fig. 1 C, described window 11 is rectangular
Shape opening, alternatively, described window 11 can be square, the circular or opening of ellipse or other
The opening of any shape, this utility model does not limit the shape of described window 11.Further optionally,
Described window 11 can be the position being opened in angle-style conduit saddle 1 middle lower portion symmetrically, the most described window 11
Aperture position in two planes of angle-style conduit saddle 1 is symmetrical, equal in magnitude.Alternatively, described window 11
Aperture position in two planes of angle-style conduit saddle 1 is identical, but size can different, shape can not also
With, this is not limited by this utility model.
In practice, can determine whether that window is offered in the position of the middle lower portion at angle-style conduit saddle 1 as required
Mouthfuls 11, when offering window 11, can increase as previously mentioned to be welded two piece pipeline two boil on the nape opposite the mouth it
Between solderable position, when not offering window 11, the rigidity of angle-style conduit saddle 1 can increase relatively.
On the horizontal flat upper end 41 of line-up clamp frame 4, at the vertical middle part with line-up clamp frame 4
Offer tapped through hole 44 on 42 parallel directions and (i.e. have female through hole, such as Fig. 2 A and 2B institute
Show), the central axis upright of this tapped through hole 44 in and with crestal line (the i.e. V-type material of angle-style conduit saddle 1
The connecting line of two planes) in a plane, as shown in FIG. 1A and 1B.
Specifically, spiral ejection pin 5 is for having threaded bar, as shown in Figure 4 A.Spiral ejection pin 5 lower end is worn
Cross the tapped through hole 44 in described line-up clamp frame 4 and can by the precession of described tapped through hole 44 or back-out,
Length (i.e. adjustable screw push rod 5 end and the angle-style in line-up clamp frame 4 is entered with adjustable screw push rod 5
Distance between conduit saddle 1), as shown in FIG. 1A and 1B, wherein, when pipeline welding of the present utility model
During two pipelines that contra-aperture device 100 clamping to be welded, spiral ejection pin 5 is positioned at the portion in line-up clamp frame 4
The length divided depends on the pipe diameter size of the pipeline to be welded.So, be arranged on through tapped through hole 44 spiral right
The axis of the spiral ejection pin 5 in mouthpart frame 4 be perpendicular to angle-style conduit saddle 1 crestal line and with angle-style conduit saddle 1
Crestal line is positioned at a plane, the i.e. axis of spiral ejection pin 5 and passes perpendicularly through the crestal line of angle-style conduit saddle 1.Here,
Spiral ejection pin 5 can use common coarse thread bar or fine thread bar to make, preferably common coarse thread bar
Make, such as, for a diameter of 20~the butt welding of the pipeline of 65mm, diameter can be used to be about big
The common coarse thread bar of about 12mm makes.
Fig. 4 B shows the upper part of spiral ejection pin 5 structural representation on A direction in Fig. 4 A, as
Shown in Fig. 4 A and Fig. 4 B, the upper part of spiral ejection pin 5 radially (be i.e. perpendicular to spiral ejection pin 5
Axis direction) on offer through hole 51.Push rod handle 6 is through described through hole 51 and can be at described through hole
Move so as to the diverse location adjusting push rod handle 6 is positioned in described through hole 51 in 51, such as Figure 1A and
Shown in 1B.It is under moveable situation at push rod handle 6 in described through hole 51, on the one hand can make top
Bar handle 6, in order to suitably hide or get around barrier, is adjusted to the position turn spiral more conveniently operated
Push rod 5, on the other hand can also make push rod handle 6 in order to easy adjustment spiral ejection pin 5 and increase rotation
Clamp force square, is adjusted at relatively labor-saving form-fit torque turn spiral ejection pin 5 again.It addition, at push rod handle 6
Need to also allow for from spiral ejection pin 5, extract it out during dismounting.Alternatively, the opening of the upper end of spiral ejection pin 5
If the part of radial direction through hole 51 does not have screw thread.Alternatively, the upper end of spiral ejection pin 5 do not have threaded
Part is thicker than the other parts of spiral ejection pin 5.Such as, spiral ejection pin 5 about 15mm scope from top
Interior upper part non-threaded, and relatively thick, radially offer through hole 51 at this unthreaded portion, be used for
Accommodate push rod handle 6.Such as, the diameter of the upper end unthreaded portion of spiral ejection pin 5 can be about 15mm,
There is a diameter of about 12mm of threaded portion lower end.The through hole 51 that the unthreaded portion of spiral ejection pin 5 is offered
Diameter can be about 8.6mm, its diameter of push rod handle 6 accommodated is about 8.0mm.
When each push rod handle 6 is installed on the upper part of spiral ejection pin 5 movably, at spiral shell
When the screw thread of rotation push rod 5 is damaged, only push rod handle 6 need to be disassembled from spiral ejection pin 5, then
Change spiral ejection pin.It addition, when push rod handle 6 damages, be also convenient for it is carried out dismounting and change.
Alternatively, two push rod handles 6 can also extend through in the upper part of two spiral ejection pins 5 also
Weld together with spiral ejection pin 5, i.e. push rod handle 6 can not move relative to spiral ejection pin 5, this
In the case of Zhong, it is common that radially open a through hole 51, then by push rod in the upper part of each spiral ejection pin 5
The appropriate location of push rod handle 6 through described through hole 51 and is welded together by handle 6 with spiral ejection pin 5,
For example, it is possible to one end of push rod handle 6 through described through hole 51 and is made the portion near push rod handle 6 two ends
Divide and weld together with spiral ejection pin 5 so that push rod handle 6 and spiral ejection pin 5 essentially form square
Shape, it is possible to so that push rod handle 6 through described through hole 51 and makes the mid portion of push rod handle 6 be positioned at institute
When stating in through hole 51, push rod handle 6 is welded together with spiral ejection pin 5 so that push rod handle 6 and spiral
Push rod 5 essentially forms T-shape.This utility model does not limit push rod handle 6 and spiral ejection pin 5
Position relatively, only need to be fixed on corresponding position as required.In like manner, it is also possible to by push rod handle 6
It is directly welded at the top of the upper part of spiral ejection pin 5, so without the upper part at spiral ejection pin 5
Offering through hole 51, this utility model does not limit the position of welding, as it was previously stated, as required by push rod hands
The relevant position of handle 6 is welded on the top of the upper part of spiral ejection pin 5.Such connected mode,
The processing and fabricating of pipeline welding contra-aperture device of the present utility model can be simplified.
Alternatively, the both ends or one end at each push rod handle 6 can be provided with cover type nut 7.Figure 1A and
The two ends of each push rod handle 6 shown in Figure 1B are fitted with cover type nut 7.Described cover type nut 7 is
Cover type nut standard component, such as, can use M8 cover type nut standard component.At push rod handle 6 movably
When being installed on the upper part of spiral ejection pin 5, owing to intermediate portion is positioned at the upper part of spiral ejection pin 5,
So, cover type nut can be respectively mounted at the two ends of push rod handle 6.If the fixing peace in push rod handle 6 one end
When being loaded on the upper part of spiral ejection pin 5, then its other end can install cover type nut.At push rod handle 6
End when being provided with cover type nut 7, convenient to operate when operating push rod handle 6, hands will not be ground.
Alternatively, the two end portions uneasiness at push rod handle 6 fills cover type nut, does not make screw thread, but push rod
The two end portions of handle 6 is thicker relative to other parts, so that the two end portions of push rod handle 6 will not be from
The radial direction through hole 51 of the upper part of spiral ejection pin 5 is deviate from.
Alternatively, the two end portions uneasiness at push rod handle 6 fills cover type nut, does not make screw thread, but carries out
Chamfered so that it is the roundest and the most smooth, from without easily hurting operator because corner angle are prominent.
Two can respectively rotatably be installed on the end portion of two spiral ejection pins 5 by spinning block 2, be used for holding
Receive the end portion of spiral ejection pin 5.Owing to the end portion of spiral ejection pin 5 is in electric welding splash zone, at spiral shell
Rotation push rod 5 end portion install can spinning block 2, some splashing welding slags can be blocked, thus protect spiral
Screw thread in the range of push rod 5 end portion certain length is without damage, is effectively improved spiral ejection pin 5 total travel
Turn assurance coefficient freely, and can prevent the screw thread of spiral ejection pin 5 end from damaging because colliding with, it is beneficial to inspection
Repair dismounting, protection ball-type end face, it is ensured that pressure centering is accurate.
Alternatively, end uncovered and the cuboid with hollow parts 23 or cylinder can be used by spinning block 2
Body or other geometry shape, described hollow parts 23 is used for accommodating the end section of spiral ejection pin 5,
It is installed on the end portion of spiral ejection pin 5 there being side, the end towards the direction of angle-style conduit saddle 1.Here, and
Do not limit can the concrete shape of spinning block 2, as long as being capable of function of the present utility model.
About the mode of end portion of spiral ejection pin 5 can be installed on by spinning block 2, such as, can use as follows
Mode: can in the middle part of the side of spinning block 2, be provided with the internal thread hole 21 of multiple flat head screw shape diametrically
(such as M3 internal thread hole), multiple location flat head screw 22 is respectively from can be through described outside spinning block 2
Internal thread hole 21 and stretch out can spinning block 2 inwall enter hollow parts 23, such as Fig. 5 A, 5B, 5C, 5D
Shown in, which respectively show the pipeline welding contra-aperture device shown in Figure 1A comprises can spinning block 2 be main regards
Figure, top view, left view and upward view, Fig. 6 A shows a kind of enforcement of location flat head screw 22
The structural representation of the cross section along axis of example, Fig. 6 B shows the location flat head screw shown in Fig. 6 A
22 left views.Described can spinning block 2 including at least two symmetrical internal thread holes 21, Fig. 5 A-5C
In show have 4 internal thread holes 21 can spinning block 2, it use 4 corresponding location tack spiral shells
Nail 22.Spiral ejection pin 5 end portion radially offer a ring recess 52 by subterminal position
(the most radial ringed groove, as shown in Figure 4 A).Such as, described ring recess 52 is positioned at end, spiral ejection pin 5 bottom
Hold up at 6.5mm, described ring recess 52 such as groove depth about 3mm, groove width about 3mm.Location tack spiral shell
Follow closely 22 ends to be contained in described ring recess 52, and it is certain to make location flat head screw 22 have in ring recess 52
Activity space, so, can be under free state by spinning block 2, may with the upper surface of ring recess 52 or under
End contact.It is to say, location flat head screw 22 play location can the effect of spinning block 2, and guarantee can
Spinning block 2 has free movement space.Can spinning block 2 be compacted on the pipeline to be welded time, position tack
Screw 22 then needs not axial power up or down by spiral ejection pin 5 so that spiral ejection pin 5 to
Under the power of pipeline to be welded of compression can all be delivered on described pipeline, so, in this way it is easy to determine whether
It is compacted the pipeline to be welded.If it addition, location flat head screw 22 stress, easily making himself to be subject to
Damage.
Alternatively, as seen in figs. 5c and 5d, can centre position bottom spinning block 2, be parallel to angle-style
Offer a V-shaped groove 24 on the direction of the angle ridge of conduit saddle 1, form pressure pipe groove 24, be used for pushing down and be intended to weld
The pipeline connect is near the position of pipe end, it is simple to the mouth of pipe alignment of two pipelines making to be welded, and make to be intended to right
The pipe end of two accurate pipelines is coaxial.The bottom of spinning block 2 V-shaped groove can be offered shown in Fig. 5 C
24.Such as, for the butt welding of pipeline that caliber is 20~65mm, can the size of spinning block 2 be
When 24mm × 24mm × 26mm, described V-shaped groove 24 can be the degree of depth about 2.5mm, and width is about
12mm through can V-shaped groove bottom spinning block 2, form pressure pipe groove 24.Alternatively, this pressure pipe groove
Two groove faces can be fabricated to have reticulate pattern 25, as shown in Figure 5 D, due to two groove faces of this pressure pipe groove 24
The groove face of pipeline and pressure pipe groove 24 so can be increased with the tube contacts to be welded it is pressed
Between frictional force, can more effectively eliminate pipeline play in the axial direction, move radially and the impact that causes,
Effectively strengthen the reliability of fastening pipe, be further ensured that alignment clearance meets quality standard, thus ensure
Welding job is carried out smoothly.
Alternatively, two groove faces of pressure pipe groove 24 (i.e. V-shaped groove) of spinning block 2 U can also can be made
Type groove, plane or arcwall face, the shape of pressure pipe groove is not done any restriction by this utility model.
When can spinning block 2 and spiral ejection pin 5 use foregoing by ring recess 52 and location flat head screw
When the mode of 22 is mutually installed together, on the one hand by ring recess 52 can ensure that can the location of spinning block 2,
On the other hand it is also ensured that can the free turn of spinning block 2 and a certain amount of move axially so that pressure pipe groove
Two groove faces can coincide with the outer wall of the pipeline to be welded all the time and compress.
It addition, can easily bond welding slag by spinning block 2, even suffer scaling loss, it is therefore preferable that it is strong to have certain heat
Degree and bearing capacity and the material that red brittleness is insensitive is made, such as can use 15MoG (steel
Model) etc. low-alloy Refractory steel material make, after the Steel material of the type is heated, intensity reduces seldom, and
Less brittle.Alternatively, when considering cost of manufacture factor more than service life and effect factor, can spinning block
2 can also use common straightcarbon steel, at this moment, as long as can spinning block 2 is damaged can be replaced.
Alternatively, the lower end of spiral ejection pin 5 becomes sphere, as such, it is possible to screwing spiral ejection pin 5
Power focuses on that one point union is the most all delivered to can be on spinning block 2.If the lower end of spiral ejection pin 5
For plane, on the one hand, described plane is the most flat, on the other hand, described plane time length surface
Can get rusty or constantly affected by alternating thermal stress, be easily deformed, causing spiral ejection pin 5 to pass through can spinning
Block 2 is to pressure during the pipeline pressure to be welded partially.But the lower end end of spiral ejection pin 5 does not limit making balling-up
Face, such as it can also be fabricated to microsphere face, or through chamfered.
Alternatively, pipeline welding contra-aperture device of the present utility model can further include reinforcement gusset 8,
As shown in Figure 1A Yu Figure 1B.This reinforcement gusset 8 is fixed on the bottom with said two line-up clamp frame
Below the plane of the angle-style conduit saddle 1 that medial slope is fixed together, and between two line-up clamp frames,
The bottom of two line-up clamp frames 4 is fixed together, such as strengthen gusset 8 respectively with angle-style pipe
The bottom of 1, two line-up clamp frames 4 of torr can form an entirety by welding, improves further
Intensity.Strengthen gusset 8 typically each to be made by metal material, to facilitate and 1, two line-up clamp of angle-style conduit saddle
The bottom of frame 4 welds together.Fig. 7 A, Fig. 7 B and Fig. 7 C respectively illustrate reinforcement gusset 8
Left view, top view and front view.
Here, strengthen gusset 8 one aspect and connect two line-up clamp frames 4, on the other hand strengthen angle-style conduit saddle 1
Intensity, prevent angle-style conduit saddle 1 from deforming.When the angle steel that angle-style conduit saddle 1 uses thick about 6mm makes, still
There is the risk being easily deformed in the case of stress, its intensity can be increased further by strengthening gusset 8,
Avoid it to deform.
Further optionally, the right angle side in the upper end of two line-up clamp frames 4 can be by a lacing wire (example
Such as reinforcing bar) or reinforcing plate link together, thus further increase by two line-up clamp frames 4 steadiness strong
Degree.
According in another embodiment of the present utility model, pipeline welding contra-aperture device phase of the present utility model
For the embodiment described above, can not use can spinning block 2, but directly with under spiral ejection pin
End face withstands the pipeline to be welded, to make this utility model simplify further.Under this situation, spiral ejection pin
Ring recess 52 (the most radial ringed groove) is no longer offered in 5 bottoms, furthermore it is possible to as required, by spiral ejection pin 5
Lower surface be fabricated to microsphere face or carry out chamfered.It addition, do not use can spinning block 2 when,
Generally can increase caliber scope clamped by pipeline welding contra-aperture device of the present utility model to 15~
90mm。
According in another embodiment of the present utility model, pipeline welding contra-aperture device phase of the present utility model
For the embodiment described above, can not use push rod handle 6, this can make this utility model enter one
Step simplifies.In this case, the upper part of spiral ejection pin 5 can not have screw thread and can also have spiral shell
Stricture of vagina;Alternatively, the upper part of spiral ejection pin 5 can relative to the other parts of spiral ejection pin 5 more slightly,
Make nut type or welding one nut, at this moment, by multiple common wrench or can be inserted by metallic rod
The hole of nut and hold spiral ejection pin 5 and operate, such as rotate.
According in another embodiment of the present utility model, when the caliber of the pipeline to be welded is bigger, can
With increase line-up clamp frame 4 make size, the most also angle-style conduit saddle 1 can be replaced by specification strengthen
Similar angle steel.It is to say, the size of each parts can root in pipeline welding contra-aperture device of the present utility model
Adjust according to the pipe diameter size of the pipeline to be welded.
Describe of the present utility model specifically used below.
When using pipeline welding contra-aperture device 100 of the present utility model to weld two single pipelines, incite somebody to action this
The pipeline welding contra-aperture device 100 of utility model is enclosed within the pipe end to be welded of two pipelines, makes two pipes
The quasi-weld bond of the pipe end in road is in the centre position of pipeline welding contra-aperture device 100, two spiral ejection pins 5 points
It is not placed on the reference edge pipeline of described quasi-weld bond both sides and on pipeline to be adjusted (when selecting in two pipelines
When one of them pipeline is as reference edge pipeline, then another is pipeline to be adjusted), precession is fixed with reference edge
The spiral ejection pin 5 of pipeline side, fastening reference edge pipeline section is in pipeline welding contra-aperture device of the present utility model.
Again pipeline to be adjusted is adjusted and be directed to satisfactory alignment clearance position, the i.e. port with reference edge pipeline
Position, keep this area specification or the gap required by standard each other, and two pipes to be welded
Road is in a straight line, and then, screws the spiral ejection pin 5 at pipeline location to be adjusted, fastens to be adjusted
Pipeline is in pipeline welding contra-aperture device of the present utility model, and makes reference edge pipeline and pipeline to be adjusted
Between realize meeting the boil on the nape opposite the mouth state of welding requirement.Owing to pipeline welding contra-aperture device of the present utility model is one
Entirety, therefore, two pipelines of desire butt welding ideal position the most on request, it is firmly fixed.
When the joint of two pipelines of alignment carries out welding, typically initially with the mode of symmetrical spot welding, example
Such as 3 to 4 points of spot welding or more point, reach two pipeline spot welding and connect and be relatively fixed, the most again will
Pipeline welding contra-aperture device 100 disassembles from two pipelines, the other parts weldering to the joint of two pipelines
Pick up.Therefore, in weld seam certain extension diameter range radially of the joint of two pipelines of alignment
Reserve more can welding working place critically important.This utility model due to use two line-up clamp frames 4,
So, leave bigger can welding working place, it addition, if it is intended to reserve bigger can welding operation
Space, can make two line-up clamp frames 4 accommodate between space or two line-up clamp frames 4 of pipeline
Spacing does more.It addition, this utility model is on the premise of ensureing rigid, if in angle-style
The centre of trustship 1 offers window near the position of angle ridge, can realize to the utmost blocking less, it is simple to
Stretch into welding rod, welding wire carries out spot weld operation etc. such that it is able to reserving more greatly can welding working place.
It addition, pipeline welding contra-aperture device 100 of the present utility model can be used for each pipeline in bank of tubes pipe
Between welding, specifically, by pipeline welding contra-aperture device of the present utility model 100 through bank of tubes gap,
It is placed on the pipeline needing butt welding (that is, the bore of two pipelines being intended to weld together is mutually aligned)
On pipe end, other operation is as described above the same about the butt welding between two single pipelines, in order to keep away
Exempt to repeat, description is not repeated herein.
Owing to a pipeline can be fixed respectively between spinning block 2 angle-style conduit saddle 1 of the present utility model and two,
The port of two pipelines the centre position of spinning block 2 can carry out boil on the nape opposite the mouth welding on angle-style conduit saddle 1 and at two,
Therefore, can spinning block 2 (lower surface of spiral ejection pin 5 can be referred to during spinning block 2 being provided without) at two
Between leave the welding working place at weld bond as much as possible, facilitate operator to carry out welding operation.
It addition, use can spinning block 2 when, fastening time, pipe with can spinning block 2 in four-wire symmetrical
Contact is fixing, so that two pipelines to be welded can align, the wrong degree of bias is the least.Of the present utility model
Pipeline welding contra-aperture device is mainly used in the welding contra-aperture device of the pipeline of relatively pipe with small pipe diameter.Pipe of the present utility model
Road welding contra-aperture device overall volume is little, could be applicable to the butt welding of pipelines behaviour in the bank of tubes of comparatively dense
Make.It addition, can also be used for the coaxially connected preliminary centering of the tubing of minor diameter, shaft element and temporarily fixed
Position.
This utility model makes one except line-up clamp frame 4, angle-style conduit saddle 1 and reinforcement gusset 8 by welding
Outside individual entirety, other each parts are removable design, it is simple to adjust, overhaul and change parts.This
The pipeline welding contra-aperture device 100 of utility model ensure that the pipe end of pipeline is connected to effect in butt welding and aligns,
Prevent the mouth of pipe from misplacing, fast to pipe speed, axiality is high.It addition, pipeline welding boil on the nape opposite the mouth of the present utility model dress
Put and can ensure that alignment clearance, axis deviation rate etc. meet craft quality standard requirement.This utility model fastens
Power is big, and dynamics is adjustable, has automatic centering anti-deflection ability, and clamping is persistently.Further, this utility model knot
Structure is the compactest, easy to use, practical.
Line-up clamp processing and fabricating of the present utility model is convenient, with low cost, for example, it is possible to existing merely with construction
The simple tool of field and the material such as existing angle steel, reinforcing bar, thick iron plate, even leftover bits and pieces, just can hands
Work easy making forms, and produces specially without producer.It addition, the rear preservation of line-up clamp of the present utility model
Maintenance is simple, in addition to being put in dry place's attention and preventing serious corrosion phenomena, almost without other special maintenances of palpus,
Ready access upon use, easy to carry.
In description mentioned herein, illustrate a large amount of detail.However, it is to be understood that,
Embodiment of the present utility model can be put into practice in the case of not having these details.In some instances,
It is not shown specifically known method, structure and technology, in order to do not obscure the understanding of this description.
It is only principle of the present utility model and preferred embodiment it addition, above-described.It is right to it should be pointed out that,
For those of ordinary skill in the art, on the basis of this utility model principle, it is also possible to make some
Other modification, these modification are also considered as falling in protection domain of the present utility model.
Additionally, it will be appreciated by those of skill in the art that the combination of the feature of different embodiment means to be in
Within the scope of this utility model and form different embodiments.Such as, in detail in the claims,
Ask one of arbitrarily can mode the using in any combination of embodiment of protection.
It should be noted that this utility model is illustrated rather than to enter this utility model by above-described embodiment
Row limits, and those skilled in the art can design without departing from the scope of the appended claims
Alternative embodiment.In the claims, any reference marks that should not will be located between bracket is configured to power
The restriction that profit requires.Word " comprises " and does not excludes the presence of the element not arranged in the claims.It is positioned at element
Word "a" or "an" before does not excludes the presence of multiple such element.
Claims (21)
1. pipeline welding contra-aperture device, it is characterised in that include two line-up clamp frames, angle-style conduit saddle and two spiral ejection pins, wherein,
Described line-up clamp frame is handle-type, there is horizontal flat upper end, vertical middle part and become the bottom at 135 degree of angles with vertical middle part, described angle-style conduit saddle is become the V-type metal material of 90 degree to be made by two planes, described angle-style conduit saddle is by its V-type opening towards on the medial slope of the bottom being fixed on said two line-up clamp frame in the way of the upper end of said two line-up clamp frame, and said two line-up clamp frame is the most spaced a predetermined distance;
The horizontal flat upper end of described line-up clamp frame offers tapped through hole, the central axis upright of this tapped through hole in the crestal line of angle-style conduit saddle and with the crestal line of angle-style conduit saddle in a plane;
Described spiral ejection pin is for having threaded bar, and its lower end is through the tapped through hole in described line-up clamp frame can be by described tapped through hole precession or back-out.
Pipeline welding contra-aperture device the most according to claim 1, it is characterised in that also include:
Being fixed on and reinforcement gusset below the plane of angle-style conduit saddle that the medial slope of bottom of said two line-up clamp frame is fixed together and between two line-up clamp frames, the bottom of said two line-up clamp frame is fixed together by it.
Pipeline welding contra-aperture device the most according to claim 2, it is characterised in that
Described line-up clamp frame, angle-style conduit saddle and reinforcement gusset are made by metal material, and are welded into an entirety.
4. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterised in that
Described angle-style conduit saddle is made by angle steel.
5. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterised in that
The position of the middle lower portion of described angle-style conduit saddle offers a window, in order to the part to be welded that can be pointed to the position between bottom and the pipeline to be welded of described angle-style trustship when welding carries out spot weld operation.
Pipeline welding contra-aperture device the most according to claim 5, it is characterised in that described window is any one of square, rectangle, circle and ellipse shape.
7. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterised in that
Said two line-up clamp frame uses steel plate to make.
8. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterised in that
Described spiral ejection pin uses common coarse thread bar or fine thread bar to make.
9. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterised in that
The upper part of described spiral ejection pin does not have screw thread.
Pipeline welding contra-aperture device the most according to claim 9, it is characterised in that
Described spiral ejection pin not have threaded upper part thicker than the other parts of described spiral ejection pin.
11. according to the welding contra-aperture device in any of the one of claim 1-3, it is characterised in that
The lower end of described spiral ejection pin is fabricated to sphere or through chamfered.
12. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterised in that also include two push rod handles, by rotate described push rod handle can make described spiral ejection pin by described tapped through hole precession or back-out, wherein,
The upper end of described spiral ejection pin offers through hole diametrically, and described push rod handle is through described through hole and can move in described through hole so that the diverse location adjusting described push rod handle is positioned in described through hole, or
Said two push rod handle extends through in the upper part of said two spiral ejection pin and welds together with described spiral ejection pin;Or
Said two push rod handle is respectively welded at the top of said two spiral ejection pin.
13. pipeline welding contra-aperture devices according to claim 12, it is characterised in that
The both ends or one end of described push rod handle are provided with cover type nut.
14. according to the pipeline welding contra-aperture device in any of the one of claim 1-3, it is characterized in that, also include two can spinning block, said two can rotatably be installed on the end portion of said two spiral ejection pin by spinning block, accommodate the end portion of spiral ejection pin.
15. pipeline welding contra-aperture devices according to claim 14, it is characterised in that
Said two can spinning block be to have end uncovered and have the geometry shape of hollow parts, said two can spinning block to have bottom surface side towards being respectively arranged in the end portion of said two spiral ejection pin in the way of described angle-style conduit saddle, and be contained in by the end section of described spiral ejection pin can the hollow parts of spinning block.
16. pipeline welding contra-aperture devices according to claim 15, it is characterised in that
Ring recess is partially radially offered by subterminal in the bottom of described spiral ejection pin,
Described can be in the middle part of the side of spinning block, be provided with multiple internal thread hole diametrically, multiple location flat head screw respectively from described can spinning block outside through the plurality of internal thread hole and stretch out described can the inwall of spinning block and enter described hollow parts, and the end of described location flat head screw is contained in movably in the ring recess of described spiral ejection pin bottom and makes described to be installed on described spiral ejection pin bottom by spinning block.
17. pipeline welding contra-aperture devices according to claim 14, it is characterised in that
A V-shaped groove or U-type groove can be offered on the direction of the centre position, side, bottom surface of described angle-style conduit saddle and the angle crestal line that is parallel to angle-style conduit saddle by spinning block described, form pressure pipe groove, for pushing down the pipeline to be welded.
18. pipeline welding contra-aperture devices according to claim 17, it is characterised in that
Two groove faces of described pressure pipe groove are arcwall face or plane.
19. pipeline welding contra-aperture devices according to claim 17, it is characterised in that
Two groove faces of described pressure pipe groove have reticulate pattern.
20. pipeline welding contra-aperture devices according to claim 15, it is characterised in that
Described can spinning block be the cuboid or cylindrical shape having the centre of end uncovered to have hollow parts.
21. pipeline welding contra-aperture devices according to claim 14, it is characterised in that
Described can spinning block use low-alloy Refractory steel material make.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105965199A (en) * | 2016-05-13 | 2016-09-28 | 国网冀北电力有限公司管理培训中心 | Alignment device for pipeline welding |
CN105965199B (en) * | 2016-05-13 | 2019-03-08 | 国网冀北电力有限公司管理培训中心 | Pipeline welds contra-aperture device |
CN108637531A (en) * | 2018-04-08 | 2018-10-12 | 五冶集团上海有限公司 | A kind of welding short tube flow-through orifice Quick aligning localization method |
CN108907567A (en) * | 2018-08-09 | 2018-11-30 | 连子晴 | A kind of pipe fitting welder pipe fitting arc stationary fixture |
CN108907567B (en) * | 2018-08-09 | 2020-09-01 | 连子晴 | Pipe fitting arc mounting fixture for pipe fitting welding machine |
CN108840222A (en) * | 2018-08-15 | 2018-11-20 | 国网冀北电力有限公司秦皇岛供电公司 | Angle bar lifts fixed device |
CN108840222B (en) * | 2018-08-15 | 2023-09-01 | 国网冀北电力有限公司秦皇岛供电公司 | Angle iron hoisting and fixing device |
CN111843356A (en) * | 2020-09-13 | 2020-10-30 | 江西成名电气有限公司 | Welding fixture for transformer box body |
CN111843356B (en) * | 2020-09-13 | 2021-10-12 | 江西成名电气有限公司 | Welding fixture for transformer box body |
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