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CN103056223A - Compacting die used for in-site manufacturing concentric different-diameter tube and method for manufacturing concentric different-diameter tube - Google Patents

Compacting die used for in-site manufacturing concentric different-diameter tube and method for manufacturing concentric different-diameter tube Download PDF

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Publication number
CN103056223A
CN103056223A CN201110325467XA CN201110325467A CN103056223A CN 103056223 A CN103056223 A CN 103056223A CN 201110325467X A CN201110325467X A CN 201110325467XA CN 201110325467 A CN201110325467 A CN 201110325467A CN 103056223 A CN103056223 A CN 103056223A
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groove
channel
steel
compacting
tool set
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CN201110325467XA
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CN103056223B (en
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毛承高
熊永祥
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MCC5 Group Shanghai Corp Ltd
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MCC5 Group Shanghai Corp Ltd
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Abstract

The invention discloses a compacting die used for in-site manufacturing a concentric different-diameter tube and a method for manufacturing the concentric different-diameter tube. The compacting die used for in-site manufacturing the concentric different-diameter tube and the method for manufacturing the concentric different-diameter tube is applied to construction of effluent treatment tubes. The compacting die comprises a square-shaped frame-type female compacting groove (3), a male compacting head (4) and two jacks and is characterized in that the square-shaped frame-type compacting groove (3) comprises a top beam (3), two side columns (2) and a base seat female compacting groove (3). A groove of the base seat female compacting groove (3) faces upwards. The male compacting head (4) comprises a U-bar (42) capable of being arranged between the two side columns (2) in a contained mode, a groove of the U-bar (42) faces upwards, an opening of the groove is fixed with a steel plate (41) in a welded mode, and long-strip angle steel with the same length as the U-bar (42) is fixed with the middle of the back of the groove in a welded mode. The two jacks are arranged on a P1 position and a P2 position of the steel plate (41). The compacting die used for in-site manufacturing the concentric different-diameter tube and the method for manufacturing the concentric different-diameter tube has the advantages that materials can be conveniently taken on the spot of the tube construction, the structure of the die is simple, manufacturing is rapid, cost is saved, and construction cost is reduced.

Description

Be used for compacting tool set of field fabrication Concentric Reducers and preparation method thereof
Technical field
The present invention relates to a kind of compacting tool set, specifically, is a kind of compacting tool set for the field fabrication Concentric Reducers and preparation method thereof.
Background technology
Concentric Reducers is a kind of pipe fitting that is used for the pipeline reducing diameter place in the pipe-line system, and the forming technology that usually adopts is that undergauge compacting, hole enlargement compacting or undergauge add the hole enlargement compacting, also can adopt stamping to the reduced pipe of some specification.
The normal Concentric Reducers that uses the different size of a large amount of Q235 carbon structural steel materials in the waste water treatment process pipe-line system directly purchase commercially available Concentric Reducers finished product in the general construction, but its price is high, causes operating expenses high.
Summary of the invention
Purpose of the present invention is to propose that draw materials conveniently in a kind of pipeline construction scene, the compacting tool set that is used for the field fabrication Concentric Reducers simple in structure, with low cost.
Another object of the present invention is to propose that draw materials conveniently in a kind of pipeline construction scene, the preparation method of the compacting tool set that is used for the field fabrication Concentric Reducers simple in structure, with low cost.
For achieving the above object, technical solution of the present invention is:
A kind of compacting tool set for the field fabrication Concentric Reducers is applied to the waste water treatment process pipeline construction, comprises the female indent of square shape frame-type, and public pressure head and two jack is characterized in that:
The female indent of described square shape frame-type comprises head piece, the female indent of two heel posts and base, and the female indent groove of described base makes progress, and wherein: the upper end of two heel posts and the two ends of head piece are welded and fixed, and the two ends of the female indent of lower end and base are welded and fixed;
Described public pressure head comprises the channel-section steel that can be placed between two heel posts, and its groove upwards, groove mouth and Plate Welding are fixed, the rectangular angle steel that the back of groove is middle and channel-section steel is isometric is welded and fixed, and described angle steel is the outer intussusception big angle of little angle steel steel, to strengthen the press strengthi of public pressure head;
Two jack are provided, can be arranged on the P1 and P2 position of steel plate;
The use status architecture of described compacting tool set is: described public pressure head is placed between two heel posts, needs the workpiece of compacting to be placed between described male pressure head and the female indent of base, in P1 and the P2 position of steel plate jack is set.
Compacting tool set for the field fabrication Concentric Reducers of the present invention can also be further achieved by the following technical measures.
Aforesaid compacting tool set, the female indent of wherein said base can be welded on the substrate steel plate, to strengthen stability.
Aforesaid compacting tool set, two channel-section steel leg outer sides of the female indent of wherein said base arrange respectively 3~5 road reinforcements, one side and the welding of channel-section steel leg, opposite side and substrate Plate Welding.
Aforesaid compacting tool set, but wherein said two heel post backs arrange in opposite directions, namely groove is outside.
Aforesaid compacting tool set arranges respectively reinforcement in the channel-section steel groove of wherein said two heel posts, welding in one side and the channel-section steel groove, opposite side and substrate Plate Welding.
A kind of preparation method of the compacting tool set for the field fabrication Concentric Reducers is characterized in that may further comprise the steps:
A, make female indent
The groove of the female indent channel-section steel of described base upwards is weldingly fixed on the substrate steel plate at waste water treatment process pipeline construction scene, the length of the female indent of base can be regulated as required, the lower end of two heel posts and the two ends of the female indent of base are welded and fixed, the upper end of two heel posts and the two ends of head piece are welded and fixed, and the length of column can be regulated as required; Two channel-section steel leg outer sides of the female indent of described base arrange respectively 3~5 road reinforcements, one side and the welding of channel-section steel leg, opposite side and substrate Plate Welding; But described two heel post backs arrange in opposite directions, and namely groove is outside, in the channel-section steel groove of described two heel posts reinforcement are set respectively, welding in one side and the channel-section steel groove, opposite side and substrate Plate Welding;
B, make public pressure head
Described public pressure head, comprise one section channel-section steel that can be placed between two heel posts, its groove upwards and the isometric strip-shaped steel plate of groove mouth and channel-section steel be welded and fixed, the rectangular angle steel that the back of groove is middle and channel-section steel is isometric is welded and fixed, described angle steel is the outer intussusception big angle of little angle steel steel, to strengthen the head intensity of public pressure head;
C, arrangement jack
Two jack are provided, can be separately positioned on the P1 and P2 position of steel plate;
D, assembling compacting tool set
Public pressure head is fit in the described square shape framework, makes the head of male pressure head aim at the female indent of base, and two jack are separately positioned on the P1 and P2 position of steel plate, make thus the compacting tool set of Concentric Reducers.
The preparation method of the compacting tool set for the field fabrication Concentric Reducers of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said head piece can use I-steel.
Aforesaid method, among the wherein said step c, jack is the QLD10t screw jack, is produced by Shanghai Lifting Tool Factory.
Aforesaid method, the material of wherein said Concentric Reducers are the Q235 steel plates.
Aforesaid method, the small-bore nominal diameter of wherein said Concentric Reducers is not less than 200mm.
After adopting technique scheme, compacting tool set for the field fabrication Concentric Reducers of the present invention and preparation method thereof has the following advantages:
1, draw materials conveniently in the pipeline construction scene;
2, mould structure is simple, making is quick;
3, cost saving, reducing construction cost.
Description of drawings
Fig. 1 is the female indent structural representation of the square shape frame-type of the embodiment of the invention;
Fig. 2 is the public pressure head structure schematic diagram of the embodiment of the invention.
Among the figure: 1 head piece, 2 columns, 3 female indents, 4 public pressure heads, 41 steel plates, 42 channel-section steels, 43 little angle steel, 44 large angle steel, P1 jack set-point, P2 jack set-point.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is illustrated further.
Embodiment 1
A kind of compacting tool set for the field fabrication Concentric Reducers
Now see also Fig. 1 and Fig. 2, Fig. 1 is the female indent structural representation of the square shape frame-type of the embodiment of the invention, and Fig. 2 is the public pressure head structure schematic diagram of the embodiment of the invention.As shown in the figure, the female indent 3 of described square shape frame-type comprises 16# channel-section steel head piece 1, the female indent 3 of both sides 10# channel steel upright post 2 and base 10# channel-section steel, and the long 800mm of the female indent of described base, its groove is upwards; The high 2500mm of two heel posts, its upper end is welded and fixed with the two ends of head piece 1, the two ends of the female indent 3 of lower end and base are welded and fixed, but described two heel posts 2 backs arrange in opposite directions, be that groove is outside, and in the channel-section steel groove of described two heel posts 2 reinforcement is set respectively, welding in one side and the channel-section steel groove, opposite side and substrate Plate Welding; The female indent 3 of described base can be welded on the substrate steel plate, and to strengthen stability, two channel-section steel leg outer sides of the female indent 3 of described base arrange respectively 3 road reinforcements, one side and the welding of channel-section steel leg, opposite side and substrate Plate Welding.
Described public pressure head 4, comprise the 8# channel-section steel 42 that can be placed between two heel posts 2, its groove upwards, groove mouth and 5mm steel plate 41 are welded and fixed, be welded and fixed with the isometric rectangular angle steel of channel-section steel 42 in the middle of the back of groove, described angle steel is little angle steel 43 outer intussusception big angle steel 44, to strengthen the press strengthi of public pressure head 4; Little angle steel specification is 30 * 30 * 4mm, and large angle steel specification is 40 * 40 * 5mm.
Two jack are provided, can be separately positioned on the P1 and P2 position of steel plate 41, jack is the QLD10t screw jack, is produced by Shanghai Lifting Tool Factory;
The use status architecture of described compacting tool set is: described public pressure head 4 is placed between two heel posts 2, needs the workpiece of compacting to be placed between described male pressure head 4 and the female indent 3 of base, in P1 and the P2 position of steel plate 41 jack is set.
Embodiment 2
A kind of preparation method of the compacting tool set for the field fabrication Concentric Reducers
A, make female indent
The groove of female indent 3 channel-section steels of described base upwards is weldingly fixed on the substrate steel plate, the length of the female indent 3 of base 10# channel-section steel is 800mm, the lower end of both sides 10# channel steel upright post 2 and the two ends of the female indent 3 of base are welded and fixed, the two ends of the upper end of two heel posts 2 and 220*110*7.5-A I-steel head piece 1 are welded and fixed, and the length of column 2 is 2500mm; Two channel-section steel leg outer sides of the female indent 3 of described base arrange respectively 4 road reinforcements, one side and the welding of channel-section steel leg, opposite side and substrate Plate Welding; But described two heel posts 2 backs arrange in opposite directions, and namely groove is outside, in the channel-section steel groove of described two heel posts 2 reinforcement is set respectively, welding in one side and the channel-section steel groove, opposite side and substrate Plate Welding;
B, make public pressure head
Described public pressure head 4, comprise one section 8# channel-section steel 42 that can be placed between two heel posts 2, its groove upwards and the isometric rectangular 5mm steel plate 41 of groove mouth and channel-section steel be welded and fixed, the rectangular angle steel that the back of groove is middle and channel-section steel is isometric is welded and fixed, described angle steel is little angle steel 43 outer intussusception big angle steel 44, to strengthen the head intensity of public pressure head 4; Little angle steel specification is 30 * 30 * 4mm, and large angle steel specification is 40 * 40 * 5mm.
C, arrangement jack
Two jack are provided, are arranged on the P1 and P2 position of steel plate 41; Jack is the QLD10t screw jack, is produced by Shanghai Lifting Tool Factory
D, assembling compacting tool set
Public pressure head 4 is fit in the described square shape framework, makes the head of male pressure head 4 aim at the female indent 3 of base, and two jack are arranged on the P1 and P2 position of steel plate 41, make thus the compacting tool set of Concentric Reducers.The material of described Concentric Reducers is the Q235 steel plate, and it is DN 〉=200 that the small-bore nominal diameter of described Concentric Reducers is not less than 200mm().
Adopting compacting tool set for the field fabrication Concentric Reducers of the present invention and preparation method thereof to process pipeline Q235 system at Baosteel stainless steel division department cold rolling wastewater treating stations construction waste water uses, effect is remarkable, use altogether totally 26 of Concentric Reducers, about 4.8 ten thousand yuan of buying expenses, and about 1.1 ten thousand yuan of the required fee of material of self-control pipe fitting and labour cost.Concrete inventory is as follows:
Buying finished product pipe fitting expense amounts to: 23000+20030+2844+2180=48054 unit
DN600 * 500 8 * 2875 yuan /=23000 yuan
DN500 * 400 10 * 2003 yuan /=20030 yuan
DN400 * 350 4 * 711 yuan /=2844 yuan
DN350 * 300 4 * 545 yuan /=2180 yuan
Self-control pipe fitting expense amounts to: 5500+1000+4500=11000 unit
Steel plate: 5500 yuan
Auxiliary material takes: 1000 yuan
Labour cost: 150 yuan/day/people * 6 people * 5 day=4500 yuan
Therefore use the present invention in the situation that guarantees engineering construction quality, just save a very large expense.
Above embodiment is only for explanation the present invention, but not limitation of the present invention, person skilled in the relevant technique in the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.

Claims (10)

1. a compacting tool set that is used for the field fabrication Concentric Reducers is applied to the waste water treatment process pipeline construction, comprises the female indent (3) of square shape frame-type, and public pressure head (4) and two jack is characterized in that:
The female indent of described square shape frame-type (3) comprises head piece (1), the female indent (3) of two heel posts (2) and base, female indent (3) groove of described base upwards, the two ends of the upper end of two heel posts (2) and head piece (1) are welded and fixed, and the two ends of the female indent of lower end and base (3) are welded and fixed;
Described public pressure head (4), comprise the channel-section steel (42) that can be placed between two heel posts (2), its groove upwards, groove mouth and steel plate (41) are welded and fixed, the rectangular angle steel that the back of groove is middle and channel-section steel (42) is isometric is welded and fixed, described angle steel is little angle steel (43) outer intussusception big angle steel (44), to strengthen the press strengthi of public pressure head (4);
Two jack are provided, can be separately positioned on the P1 and P2 position of steel plate (41);
The use status architecture of described compacting tool set is: described public pressure head (4) is placed between two heel posts (2), need the workpiece of compacting to be placed between described male pressure head (4) and the female indent of base (3), in P1 and the P2 position of steel plate (41) jack is set.
2. the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 1 is characterized in that, the female indent of described base (3) can be welded on the substrate steel plate, to strengthen stability.
3. the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 2, it is characterized in that, two channel-section steel leg outer sides of the female indent of described base (3) arrange respectively 3~5 road reinforcements, one side and the welding of channel-section steel leg, opposite side and substrate Plate Welding.
4. the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 1 is characterized in that, described two heel posts (2) but the back arrange in opposite directions, namely groove is outside.
5. the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 4 is characterized in that, in the channel-section steel groove of described two heel posts (2) reinforcement is set respectively, welding in one side and the channel-section steel groove, opposite side and substrate Plate Welding.
6. preparation method that is used for the compacting tool set of field fabrication Concentric Reducers is characterized in that may further comprise the steps:
A, make female indent
The groove of female indent (3) channel-section steel of described base upwards is weldingly fixed on the substrate steel plate, the length of the female indent of base (3) can be regulated as required, the lower end of two heel posts (2) and the two ends of the female indent of base (3) are welded and fixed, the two ends of the upper end of two heel posts (2) and head piece (1) are welded and fixed, and the length of column (2) can be regulated as required; Two channel-section steel leg outer sides of the female indent of described base (3) arrange respectively 3~5 road reinforcements, one side and the welding of channel-section steel leg, opposite side and substrate Plate Welding; Described two heel posts (2) but the back arrange in opposite directions, namely groove is outside, in the channel-section steel groove of described two heel posts (2) reinforcement is set respectively, welding in one side and the channel-section steel groove, opposite side and substrate Plate Welding;
B, make public pressure head
Described public pressure head (4), comprise one section channel-section steel (42) that can be placed between two heel posts (2), its groove upwards and the isometric strip-shaped steel plate (41) of groove mouth and channel-section steel be welded and fixed, the rectangular angle steel that the back of groove is middle and channel-section steel is isometric is welded and fixed, described angle steel is little angle steel (43) outer intussusception big angle steel (44), to strengthen the head intensity of public pressure head (4);
C, arrangement jack
Two jack are provided, are arranged on the P1 and P2 position of steel plate (41);
D, assembling compacting tool set
Public pressure head (4) is fit in the described square shape framework, makes the head of male pressure head (4) aim at the female indent (3) of base, and two jack are arranged on the P1 and P2 position of steel plate (41), make thus the compacting tool set of Concentric Reducers.
7. the preparation method of the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 6 is characterized in that described head piece (1) can use I-steel.
8. the preparation method of the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 6 is characterized in that among the described step c, jack is the QLD10t screw jack, is produced by Shanghai Lifting Tool Factory.
9. the preparation method of the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 6 is characterized in that the material of described Concentric Reducers is the Q235 steel plate.
10. the preparation method of the compacting tool set for the field fabrication Concentric Reducers as claimed in claim 6 is characterized in that the small-bore nominal diameter of described Concentric Reducers is not less than 200mm.
CN201110325467.XA 2011-10-24 2011-10-24 For the compacting tool set and preparation method thereof of field fabrication Concentric Reducers Active CN103056223B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344983A (en) * 2014-10-30 2015-02-11 中国石油天然气股份有限公司 Pipeline pit defect manufacturing device
CN104999292A (en) * 2015-07-17 2015-10-28 成都市松川金属材料有限公司 High-stability round pipe machining and clamping device
CN104998960A (en) * 2015-07-17 2015-10-28 成都市松川金属材料有限公司 Punching device applied to pipe
CN105058079A (en) * 2015-07-17 2015-11-18 成都市松川金属材料有限公司 Pipe perforating device facilitating clamping operation
CN105058078A (en) * 2015-07-17 2015-11-18 成都市松川金属材料有限公司 Pipe cutting fixing device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5635091A (en) * 1993-04-21 1997-06-03 Babcock-Hitachi Kabushiki Kaisha Tips for welding and their manufacturing process
JPH11290949A (en) * 1998-04-08 1999-10-26 Nippon Steel Metal Prod Co Ltd Manufacture of tapered square pipe and its device
CN1600468A (en) * 2004-08-24 2005-03-30 艾德义 Method and equipment for producing directional vertical taper pipe in motorcycle through cold extrusion
CN2792642Y (en) * 2005-05-26 2006-07-05 王威 Repairing mould of bearing sealed cover on train
CN1978088A (en) * 2005-12-09 2007-06-13 日产自动车株式会社 Flanged housing member and apparatus and method for forming same
CN101862770A (en) * 2010-04-02 2010-10-20 攀钢集团冶金工程技术有限公司 Cylindrical body bending machine
CN201865337U (en) * 2010-07-12 2011-06-15 无锡圣泰建筑模板有限公司 Steel mould main supporting top seat for buildings
CN201970052U (en) * 2011-03-22 2011-09-14 中国十九冶集团有限公司 Fixture for variable cross section manufacturing of small-section H-shaped steel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5635091A (en) * 1993-04-21 1997-06-03 Babcock-Hitachi Kabushiki Kaisha Tips for welding and their manufacturing process
JPH11290949A (en) * 1998-04-08 1999-10-26 Nippon Steel Metal Prod Co Ltd Manufacture of tapered square pipe and its device
CN1600468A (en) * 2004-08-24 2005-03-30 艾德义 Method and equipment for producing directional vertical taper pipe in motorcycle through cold extrusion
CN2792642Y (en) * 2005-05-26 2006-07-05 王威 Repairing mould of bearing sealed cover on train
CN1978088A (en) * 2005-12-09 2007-06-13 日产自动车株式会社 Flanged housing member and apparatus and method for forming same
CN101862770A (en) * 2010-04-02 2010-10-20 攀钢集团冶金工程技术有限公司 Cylindrical body bending machine
CN201865337U (en) * 2010-07-12 2011-06-15 无锡圣泰建筑模板有限公司 Steel mould main supporting top seat for buildings
CN201970052U (en) * 2011-03-22 2011-09-14 中国十九冶集团有限公司 Fixture for variable cross section manufacturing of small-section H-shaped steel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
郭顺显: "异径管冷挤压缩径成形", 《石油化工设计》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344983A (en) * 2014-10-30 2015-02-11 中国石油天然气股份有限公司 Pipeline pit defect manufacturing device
CN104999292A (en) * 2015-07-17 2015-10-28 成都市松川金属材料有限公司 High-stability round pipe machining and clamping device
CN104998960A (en) * 2015-07-17 2015-10-28 成都市松川金属材料有限公司 Punching device applied to pipe
CN105058079A (en) * 2015-07-17 2015-11-18 成都市松川金属材料有限公司 Pipe perforating device facilitating clamping operation
CN105058078A (en) * 2015-07-17 2015-11-18 成都市松川金属材料有限公司 Pipe cutting fixing device

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