CN201183178Y - Fine adjustment type pipeline external aligning device clearance adjustment mechanism - Google Patents
Fine adjustment type pipeline external aligning device clearance adjustment mechanism Download PDFInfo
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- CN201183178Y CN201183178Y CN 200820080129 CN200820080129U CN201183178Y CN 201183178 Y CN201183178 Y CN 201183178Y CN 200820080129 CN200820080129 CN 200820080129 CN 200820080129 U CN200820080129 U CN 200820080129U CN 201183178 Y CN201183178 Y CN 201183178Y
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- gap
- main body
- gap adjustment
- type pipeline
- external clamp
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Abstract
The utility model relates to a pipe aligning device gap adjustment mechanism outside a fine regulation pipe, which has the structure that: four sets of wad gap adjustment devices which can adjust the pipe aligning gap are arranged on the common pipe external aligning device by the right-angled intersection way, a plurality of sets of misalignment adjustment pin-lift arrangements are arranged among the four sets of wad gap adjustment devices. Each wad gap adjustment device is composed of a gap adjusting bolt (1), a left-right adjusting handle (2), a gap adjusting main body (3), a bolt anchor block (4) and a gap adjusting drill key (8). The gap adjusting bolt (1) is screwed into the screw at the center of the bolt anchor block (4) of two arc plates connecting the pipe aligning device, the draw-in gear at the inner end of the gap adjusting bolt (1) slides into the runner of the gap adjusting main body (3) to match with the gap adjusting main body (3) by the sliding way, one side of the gap adjusting main body (3) is provided with a hole extending out of a lathe dog and the left-right adjusting handle (2) which is connected by the threaded way, and the gap adjusting drill key (8) is fixedly connected with the lower part outside the gap adjusting main body (3).
Description
Technical field
The utility model is to be used for the right a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism of pipeline construction construction operation pipeline welding group, relates to the pipe-line system technical field.
Background technology
According to the right specification requirement of pipeline construction weld bond group, external clamp can be divided into three kinds of fine setting examination external clamp, centering type external clamp and hydraulic jack external clamps.Wherein with fine setting examination external clamp use the most extensive, the external clamp of Shi Yonging mostly was unit in charge of construction oneself making in the past, was of rude workmanship, heaviness and leading screw intensity often can not satisfy job site counterpart requirement.Mouthpart itself is not had counterpart gap adjustment function yet, and counterpart efficient is under some influence.In addition to the gap is too narrow between two arc plates of mouthpart, two adjacent groups leading screw spacing is unreasonable, weld seam when causing the welder to put the mouth welding is shorter, has increased welding point quantity, and butt welded seam root quality has a negative impact, and wlding is caused waste, increased construction cost.Operating efficiency and counterpart quality,
The utility model content
The purpose of this utility model is that a kind of pipeline construction construction operation pipeline welding group that is used for of design is to operating efficiency and the high a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism of counterpart quality.
The utility model as depicted in figs. 1 and 2, be to be on the basis of two semi-circular arc plates of hinge with hinge pin 9 in routine, the patch slack adjuster that quadruplet can be regulated the counterpart gap is installed in positive right-angled intersection on external clamp, but make size to mouthpart free adjustment counterpart gap, and this patch device about and leading screw advance and retreat direction certain adjustable range is all arranged.Each is installed many cover misalignments and regulates pin-lift arrangement between quadruplet patch slack adjuster.
The structure of patch slack adjuster such as Fig. 5-shown in Figure 11, it is made up of gap adjustment bolt 1, left and right adjusting handle 2, gap adjustment main body 3, bolting pier 4, gap adjustment drift 8.In the screw of connection, be screwed into gap adjustment bolt 1 to bolting pier 4 centers of two arc plates of mouthpart, the dop of gap adjustment bolt 1 inner end slips in the chute of gap adjustment main body 3, be slidingly matched with gap adjustment main body 3, gap adjustment main body 3 one sides have the left and right adjusting handle 2 that stretches out the hole on the clip and be threaded, and gap adjustment drift 8 is fixed on the bottom outside the gap adjustment main body 3.
The structure that misalignment is regulated pin-lift arrangement as shown in Figure 3, Figure 4, it is regulated push rod screw 5, movable head 6, movable head snap ring 7 by misalignment and forms.Be screwed into two misalignments in side by side two screws and regulate push rod screw 5 on connecting two arc crab bolts of mouthpart anchor block 4, misalignment is regulated push rod screw 5 inner ends and is connected movable heads 6 by movable head snap ring 7.
Wherein:
The shape of gap adjustment bolt 1 as shown in Figure 2, the outer end is square toes, the inner end is the round end that thin neck is arranged;
Gap adjustment main body 3 is as Fig. 8-shown in Figure 10, it is to have the hole at the center, an end termination of a cuboid, from other end cutting elongated groove to cuboid about 2/3, cuboid is divided into " fork " shape, open a same long short groove at a fork sheet center again, promptly form "T"-shaped groove, make the cross section of cuboid become " product " font; Here it is bigger that the width of elongated slot is wanted the round end of ratio gap adjusting bolt 1 termination, and the width of short groove wants the thin neck of ratio gap adjusting bolt 1 termination bigger;
The shape of left and right adjusting handle 2 as shown in figure 11, it is a stage cylinder, the one end is thicker than the middle part, the other end is thinner than the middle part; Thin end cooperates with gap adjustment main body 3 one end termination centre bores;
The outer end that misalignment is regulated push rod screw 5 is square toes, and the inner end is the spheroidal head that thin neck is arranged, and movable head 6 backs are fixed by movable head snap ring 7 on the spheroidal headgear;
External clamp clearance adjustment mechanism so, the patch slack adjuster that quadruplet can be regulated the counterpart gap is installed in positive right-angled intersection on to mouthpart, and every cover patch slack adjuster both can be by having regulated the degree of going deep into of gap adjustment bolt 1, realize regulating the width in pipeline gap, again can be by regulating left and right adjusting handle 2, the deviation that realizes regulating the pipeline gap.
Improve the root bead welding quality for reducing root bead joint quantity, reduce wlding consumption, under the prerequisite that does not influence the mouthpart result of use, fusion length when making the welder put the mouth welding reaches the longest as far as possible, just need rationally to adjust the distance of gap and two adjacent groups misalignment between two arc plates of mouthpart being regulated pin-lift arrangement, so the misalignment of installing between quadruplet patch slack adjuster is regulated pin-lift arrangement, and is the least possible.
The utility model is simple in structure, and adjusting is reliable, convenient, counterpart quality height, high efficiency.
Description of drawings
The whole front view of Fig. 1 external clamp
Fig. 2 external clamp unitary side view
Fig. 3 misalignment is regulated pin-lift arrangement figure
Fig. 4 misalignment is regulated pin-lift arrangement figure
Fig. 5 slack adjuster front view
Fig. 6 slack adjuster side view
Fig. 7 slack adjuster vertical view
Fig. 8 gap adjustment main body front view
Fig. 9 gap adjustment main body side view
Figure 10 gap adjustment main body upward view
Figure 11 left and right adjusting handle
1-gap adjustment bolt 2-left and right adjusting handle wherein
3-gap adjustment main body 4-bolting pier
The 5-misalignment is regulated push rod screw 6-movable head
7-movable head card 8-gap adjustment drift
The 9-hinge pin
The specific embodiment
Embodiment. this example is the on-the-spot welding experimental rig in gas engineering construction.The steel pipe material of using in this project construction is X70, and its tensile strength is 570Mpa, and caliber is 1016 millimeters, 17.5 millimeters of wall thickness.It is to be on the basis of two semi-circular arc plates of hinge with hinge pin 9 in routine, the patch slack adjuster that quadruplet can be regulated the counterpart gap is installed in positive right-angled intersection on external clamp, but make size to mouthpart free adjustment counterpart gap, and this patch device about and leading screw advance and retreat direction certain adjustable range is all arranged.Each is installed many cover misalignments and regulates pin-lift arrangement between quadruplet patch slack adjuster.
The structure of patch slack adjuster such as Fig. 5-shown in Figure 11, it is made up of gap adjustment bolt 1, left and right adjusting handle 2, gap adjustment main body 3, bolting pier 4, gap adjustment drift 8.In the screw of connection, be screwed into gap adjustment bolt 1 to bolting pier 4 centers of two arc plates of mouthpart, the dop of gap adjustment bolt 1 inner end slips in the chute of gap adjustment main body 3, be slidingly matched with gap adjustment main body 3, gap adjustment main body 3 one sides have the left and right adjusting handle 2 that stretches out the hole on the clip and be threaded, and gap adjustment drift 8 is fixed on the bottom outside the gap adjustment main body 3.
The structure that misalignment is regulated pin-lift arrangement as shown in Figure 3, Figure 4, it is regulated push rod screw 5, movable head 6, movable head snap ring 7 by misalignment and forms.Be screwed into two misalignments in side by side two screws and regulate push rod screw 5 on connecting two arc crab bolts of mouthpart anchor block 4, misalignment is regulated push rod screw 5 inner ends and is connected movable heads 6 by movable head snap ring 7.
Make the steel plate working pressure tank plate 16MnR of this engineering with the pipeline external clamp, thickness 12mm, its tensile strength is 510-640Mpa, being subjected to the arc plate width of force direction is 80mm, can satisfy the requirement of strength that mouthpart is used fully.The rolling bearing steel GCr15 that the patch that the counterpart slack adjuster is used-8 uses of gap adjustment drift have high rigidity, high elastic limit and enough toughness.
The key dimension of patch slack adjuster:
Gap adjustment main body 3 is 80 * 50 * 30mm; The wide 10mm of elongated slot, long 63mm add the semicircle of R5mm, and short groove width 14mm, long 61mm add the semicircle of R7mm; The hole is φ 12 * 10mm;
Left and right adjusting handle 2 is the stage cylinder, and an end is φ 27mm, long 30mm, and the other end is φ 12mm, long 8mm, and the stage casing is φ 14mm, long 62mm.
Misalignment is regulated the key dimension of pin-lift arrangement:
It is the stage cylinder that misalignment is regulated push rod screw 5, length overall 170mm, and the middle part is the M26mm screw thread of long 134mm, and the square toes of an end are 24 * 24mm, and long 11mm, square toes have the thin neck section of the long 8mm of φ 20mm and the platform of the long 6mm of φ 26mm inward; The round end of the other end is a φ 18mm cup head;
Movable head snap ring 7 is internal diameter 14mm, external diameter 27mm, thick 6mm.
By rotation adjusting plug top set bar on chip, can realize the free adjustment of counterpart gap length.When using external clamp to carry out mouth of pipe welding construction, requirement according to the welding procedure guiding book, point mouthful weld seam must be finished 1/2nd of root bead weld seam total length just can withdraw external clamp when above, one whole root bead uses the weld length of cellulose welding rod between 140-160mm, a root bead bar was used most roots at most when the point mouth welded usually, welder's operation is just owing to be subjected to can't proceeding welding to the mouthpart structure influence, under the prerequisite of not withdrawing external clamp, can not polish with sanding machine to the root bead joint again, directly joint does not guarantee the weldquality of joint yet, so under the prerequisite that does not influence the mouthpart result of use, by will rationally adjusting to 120mm to gap between two arc plates of mouthpart, the distance of two adjacent groups leading screw is adjusted to about 270mm, so just can make neither influences welder's welding operation, can make a mouth fusion length reach the longest again.
This improvement is by above nearly ten kilometers welding evidences at the construction field (site), lighter, the more convenient operation of novel fine adjustment type pipeline external clamp has not only alleviated workmen's physical demands, has improved efficiency of construction, accelerate construction speed, and reduced construction cost.
Claims (8)
1. fine adjustment type pipeline external clamp clearance adjustment mechanism, it is characterized in that being on the basis of two semi-circular arc plates of hinge with hinge pin (9) in routine, the patch slack adjuster that quadruplet can be regulated the counterpart gap is installed in positive right-angled intersection on external clamp, and each is installed many cover misalignments and regulates pin-lift arrangement between quadruplet patch slack adjuster.
2. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 1 is characterized in that described patch slack adjuster is made up of gap adjustment bolt (1), left and right adjusting handle (2), gap adjustment main body (3), bolting pier (4), gap adjustment drift (8); In the screw of connection, be screwed into gap adjustment bolt (1) to bolting pier (4) center of two arc plates of mouthpart, the dop of gap adjustment bolt (1) inner end slips in the chute of gap adjustment main body (3), be slidingly matched with gap adjustment main body (3), gap adjustment main body (3) one sides have the left and right adjusting handle (2) that stretches out the hole on the clip and be threaded, and gap adjustment drift (8) is fixed on the outer bottom of gap adjustment main body (3).
3. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 2 is characterized in that the outer end that is shaped as of described gap adjustment bolt (1) is square toes, and the inner end is the round end that thin neck is arranged.
4. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 2, it is characterized in that described gap adjustment main body (3) is to have the hole at the center, an end termination of a cuboid, from other end cutting elongated groove to cuboid about 2/3, cuboid is divided into " fork " shape, open a same long short groove at a fork sheet center again, promptly form "T"-shaped groove, make the cross section of cuboid become " product " font; Here it is bigger that the width of elongated slot is wanted the round end of ratio gap adjusting bolt (1) termination, and the width of short groove wants the thin neck of ratio gap adjusting bolt (1) termination bigger.
5. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 2 is characterized in that described gap adjustment drift (8) is a wedge-like steel plate.
6. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 2 is characterized in that described left and right adjusting handle (2) is a stage cylinder, and the one end is thicker than the middle part, the other end is thinner than the middle part; Thin end cooperates with gap adjustment main body 3 one end termination centre bores.
7. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 1 is characterized in that described misalignment regulates pin-lift arrangement and regulate push rod screw (5), movable head (6), movable head snap ring (7) by misalignment and form; Be screwed into two misalignments in side by side two screws and regulate push rod screw (5) on connecting two arc crab bolts of mouthpart anchor block (4), misalignment is regulated push rod screw (5) inner end and is connected movable head (6) by movable head snap ring (7).
8. a kind of fine adjustment type pipeline external clamp clearance adjustment mechanism according to claim 7, it is characterized in that it is square toes that described misalignment is regulated the outer end of push rod screw (5), the inner end is the spheroidal head that thin neck is arranged, and movable head on the spheroidal headgear (6) back is fixed by movable head snap ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820080129 CN201183178Y (en) | 2008-04-23 | 2008-04-23 | Fine adjustment type pipeline external aligning device clearance adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820080129 CN201183178Y (en) | 2008-04-23 | 2008-04-23 | Fine adjustment type pipeline external aligning device clearance adjustment mechanism |
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| Publication Number | Publication Date |
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| CN201183178Y true CN201183178Y (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200820080129 Expired - Fee Related CN201183178Y (en) | 2008-04-23 | 2008-04-23 | Fine adjustment type pipeline external aligning device clearance adjustment mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069108A (en) * | 2010-11-22 | 2011-05-25 | 南车资阳机车有限公司 | Device for correcting distortion of rolled cylindrical product |
| CN102658312A (en) * | 2012-06-04 | 2012-09-12 | 上海煤气第一管线工程有限公司 | Shape-righting butt-joint machine |
| CN104014974A (en) * | 2014-06-05 | 2014-09-03 | 山东电力建设第一工程公司 | Joint gap locating device for welding pipeline openings of utility boiler |
| CN112264762A (en) * | 2020-11-30 | 2021-01-26 | 中冶宝钢技术服务有限公司 | Pipeline centering adjusting device |
-
2008
- 2008-04-23 CN CN 200820080129 patent/CN201183178Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069108A (en) * | 2010-11-22 | 2011-05-25 | 南车资阳机车有限公司 | Device for correcting distortion of rolled cylindrical product |
| CN102069108B (en) * | 2010-11-22 | 2012-07-25 | 南车资阳机车有限公司 | Device for correcting distortion of rolled cylindrical product |
| CN102658312A (en) * | 2012-06-04 | 2012-09-12 | 上海煤气第一管线工程有限公司 | Shape-righting butt-joint machine |
| CN104014974A (en) * | 2014-06-05 | 2014-09-03 | 山东电力建设第一工程公司 | Joint gap locating device for welding pipeline openings of utility boiler |
| CN112264762A (en) * | 2020-11-30 | 2021-01-26 | 中冶宝钢技术服务有限公司 | Pipeline centering adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20140423 |