CN100415501C - Mounting method of large pressure machine prestressed draw-bar - Google Patents
Mounting method of large pressure machine prestressed draw-bar Download PDFInfo
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- CN100415501C CN100415501C CNB2007100724022A CN200710072402A CN100415501C CN 100415501 C CN100415501 C CN 100415501C CN B2007100724022 A CNB2007100724022 A CN B2007100724022A CN 200710072402 A CN200710072402 A CN 200710072402A CN 100415501 C CN100415501 C CN 100415501C
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- pull bar
- tension rods
- nut
- square column
- pop
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Abstract
The invention relates to an installation method of a large-sized forcing press prestressed tie rod, belonging to the large-sized forcing press technical field. Preset four artistic base delves on the concrete base of the large-sized forcing press; hitch the square poles onto the tension rods and screw the upper nuts at the upper ends of the tension rods whose flying rings are connected to the tops of the tension rods; install a pedestal on the concrete base of the large-sized forcing press and then hang the assembled square poles and the tension rods; place the tension rods vertically into the installation holes of the pedestal, letting the tension rods stretch out of the installation holes; screw lower nuts at the bottoms of the tension rods, remove the upper nuts and then hang the flying rings of the tension rods and place the tension rods into the artistic base delves gently, making the upper planes of the tension rods lower than the tops of the square poles; place the square poles rightly into the installation holes on the pedestal; after the assembling of the four tension rods and the four square poles, hang the flying rings of the tension rods to sling the tension rods, making the tension rods exceeding an upper beam; screw the upper nuts and after the installation of the four tension rods, lay a stretcher and adjust the angle to tighten the stretcher.
Description
Technical field
The present invention relates to a kind of mounting method of large pressure machine prestressed draw-bar, the installation method of three beam four-column type large pressure machine prestressed draw-bars belongs to the large pressing machine technical field specifically.
Background technology
At present, the installation of large-scale three beam four column press prestressed draw-bars is because volume is big, Heavy Weight, particularly 150MN hydraulic press impulse stroke is 4 meters, 22 meters of single-piece pull bar length, 75 tons of single-piece pull bar weight, the space is limited can't normally lift in lifting, with associated components the quality of fit height is installed, major diameter screw rod, the fastening super scope of the cold connection of nut, pre-fastening moment is uncontrollable, can't install by the normal mounting method.
Summary of the invention
The present invention is directed to above-mentioned technical deficiency, invented a kind of mounting method of large pressure machine prestressed draw-bar through repetition test, this a kind of mounting method of large pressure machine prestressed draw-bar is good connecting effect not only, and pre-fastening moment can be controlled at scope of design.
Technical scheme of the present invention: prefabricated 4 fundamental technologies hole in the large pressing machine concrete foundation; Earlier pull bar is lain between two chocks, end at pull bar is laid mass, in square column upper end hanging axis is installed, square column level is sling, hang hypomere in the pull bar, after the adjustment mass makes the pull bar balance, square column is inserted in the pull bar, top nut is screwed in the pull bar upper end, the pull bar suspension ring are connected the pull bar top, mounting seat on the large pressing machine concrete foundation, square column after installing is sling together with pull bar, pull bar is vertically put into the installing hole of base, under the installing hole of base, expose, be screwed into lower nut in the pull bar bottom, unload top nut, hang the pull bar suspension ring pull bar is put into the fundamental technology hole gently, the plane is lower than square column top on the pull bar, square column is ajusted in the installing hole that is placed on base, 4 pull bars, after 4 square columns are installed, moved cross beam is installed on the square column, moved cross beam is along on the square column, lower slider, entablature is installed in square column top, behind the location, hang the pull bar suspension ring pull bar is sling, exceed entablature, be screwed into top nut, after 4 pull bars were installed respectively, the diagonal angle pretension was above entablature, stretcher is laid in the pull bar top nut outside, be screwed into the pop-up nut in the pull rod screw upper end, hydraulic oil enters hydraulic cylinder by the rising oil inlet pipe, and the decline oil inlet pipe is discharged hydraulic oil, and hydraulic stem is upwards boosted, hydraulic stem upwards boosts the hydraulic pressure supporting seat, the hydraulic pressure supporting seat holds up the pop-up nut, and the pop-up nut holds up pull bar, locks top nut after reaching predetermined pre-tensioning force square value, after stopping pop-up, enter hydraulic oil by the decline oil inlet pipe, the rising oil inlet pipe is discharged hydraulic oil, and the hydraulic pressure supporting seat descends and breaks away from the pop-up nut, remove stretcher, back out the pop-up nut.
The invention has the beneficial effects as follows: do not increase sling height, utilize original crane gear lifting, save installation cost, adopt stretcher that pull bar is carried out the pre-fastening moment adjustment, do not damage complete machine, prestressing force is controlled.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of mounting method of large pressure machine prestressed draw-bar structure chart of the present invention.
Fig. 2 is the square column of a kind of mounting method of large pressure machine prestressed draw-bar of the present invention, the horizontal installation diagram of pull bar.
Fig. 3 is a kind of mounting method of large pressure machine prestressed draw-bar stretcher of the present invention A portion structure enlarged drawing.
Among the figure 1, pull bar, 2, square column, 3, top nut, 4, hanging axis, 5, chock, 6, chock, 7, mass, 8, entablature, 9, moved cross beam, 10, base, 11, the fundamental technology hole, 12, pop-up nut, 13, the hydraulic pressure supporting seat, 14, hydraulic cylinder, 15, hydraulic stem, 16, the decline oil inlet pipe, 17, the rising oil inlet pipe, 18, stretcher, 19, lower nut, 20, the pull bar suspension ring.
The specific embodiment
See also Fig. 1-Fig. 3, prefabricated 4 fundamental technologies hole 11 in the large pressing machine concrete foundation; Earlier pull bar 1 is lain in two chocks 5, between 6, end at pull bar 1 is laid mass 7, hanging axis 4 is installed in square column 2 upper ends, square column 2 levels are sling, hang hypomere in the pull bar 1, after the adjustment mass makes pull bar 1 balance, square column 2 is inserted in the pull bar 1, top nut 3 is screwed in pull bar 1 upper end, pull bar suspension ring 20 are connected pull bar 1 top, mounting seat 10 on the large pressing machine concrete foundation, square column 2 after installing is sling together with pull bar 1, pull bar 1 is vertically put into the installing hole of base 10, under the installing hole of base 10, expose, be screwed into lower nut 19 in pull bar 1 bottom, unload top nut 3, hang pull bar suspension ring 20 pull bar 1 is put into fundamental technology hole 11 gently, the plane is lower than square column 2 tops on the pull bar 1, square column 2 is ajusted in the installing hole that is placed on base 10,4 pull bars 1, after 4 square columns 2 are installed, moved cross beam 9 is installed on the square column 2, moved cross beam 9 is along on the square column 2, lower slider, entablature 8 is installed in square column 2 tops, behind the location, hanging pull bar suspension ring 20 slings pull bar 1, exceed entablature 8, be screwed into top nut 3, after 4 pull bars 1 are installed respectively, the diagonal angle pretension, above entablature 8, stretcher 18 is laid in pull bar 1 top nut 3 outsides, be screwed into pop-up nut 12 in pull bar 1 threaded upper end, hydraulic oil enters hydraulic cylinder 14 by rising oil inlet pipe 17, and decline oil inlet pipe 16 is discharged hydraulic oil, and hydraulic stem 15 is upwards boosted, hydraulic stem 15 upwards boosts hydraulic pressure supporting seat 13, hydraulic pressure supporting seat 13 holds up pop-up nuts 12, and pop-up nut 12 holds up pull bars 1, reaches locking top nut 3 after the predetermined pre-tensioning force square value, after stopping pop-up, enter hydraulic oil by decline oil inlet pipe 16, rising oil inlet pipe 17 is discharged hydraulic oil, and hydraulic pressure supporting seat 13 descends and breaks away from pop-up nut 12, remove stretcher 18, back out pop-up nut 12.
Claims (1)
1. a mounting method of large pressure machine prestressed draw-bar is characterized in that: prefabricated 4 fundamental technologies holes (11) in the large pressing machine concrete foundation; Earlier pull bar (1) is lain in two chocks (5,6) between, lay mass (7) at an end of pull bar (1), in square column (2) upper end hanging axis (4) is installed, square column (2) level is sling, hang hypomere in the pull bar (1), after the adjustment mass makes pull bar (1) balance, square column (2) is inserted in the pull bar (1), top nut (3) is screwed in pull bar (1) upper end, pull bar suspension ring (20) are connected pull bar (1) top, mounting seat on the large pressing machine concrete foundation (10), square column (2) after installing is sling together with pull bar (1), pull bar (1) is vertically put into the installing hole of base (10), under the installing hole of base (10), expose, be screwed into lower nut (19) in pull bar (1) bottom, unload top nut (3), hang pull bar suspension ring (20) pull bar (1) is put into fundamental technology hole (11) gently, pull bar (1) is gone up the plane and is lower than square column (2) top, square column (2) is ajusted in the installing hole that is placed on base (10), 4 pull bars (1), after 4 square columns (2) are installed, moved cross beam (9) is installed on the square column (2), moved cross beam (9) is along on the square column (2), lower slider, entablature (8) is installed in square column (2) top, behind the location, hanging pull bar suspension ring (20) slings pull bar (1), exceed entablature (8), be screwed into top nut (3), after 4 pull bars (1) are installed respectively, the diagonal angle pretension, in entablature (8) top, stretcher (18) is laid in pull bar (1) top nut (3) outside, be screwed into pop-up nut (12) in pull bar (1) threaded upper end, hydraulic oil enters hydraulic cylinder (14) by rising oil inlet pipe (17), decline oil inlet pipe (16) is discharged hydraulic oil, hydraulic stem (15) is upwards boosted, hydraulic stem (15) upwards boosts hydraulic pressure supporting seat (13), hydraulic pressure supporting seat (13) holds up pop-up nut (12), pop-up nut (12) holds up pull bar (1), lock top nut (3) after reaching predetermined pre-tensioning force square value, after stopping pop-up, enter hydraulic oil by decline oil inlet pipe (16), rising oil inlet pipe (17) is discharged hydraulic oil, hydraulic pressure supporting seat (13) descends and breaks away from pop-up nut (12), remove stretcher (18), back out pop-up nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100724022A CN100415501C (en) | 2007-06-22 | 2007-06-22 | Mounting method of large pressure machine prestressed draw-bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100724022A CN100415501C (en) | 2007-06-22 | 2007-06-22 | Mounting method of large pressure machine prestressed draw-bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101104321A CN101104321A (en) | 2008-01-16 |
| CN100415501C true CN100415501C (en) | 2008-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100724022A Active CN100415501C (en) | 2007-06-22 | 2007-06-22 | Mounting method of large pressure machine prestressed draw-bar |
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| Country | Link |
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| CN (1) | CN100415501C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173087B (en) * | 2010-12-30 | 2013-01-09 | 二重集团（德阳）重型装备股份有限公司 | Large press structure with guiding device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1960562A1 (en) * | 1969-12-03 | 1971-06-24 | Schubert & Salzer Maschinen | Method and device for sliver spinning |
| EP0628363A1 (en) * | 1993-06-11 | 1994-12-14 | L. SCHULER GmbH | Multi column press |
| US5595111A (en) * | 1992-06-27 | 1997-01-21 | L. Schuler Gmbh | Press installation comprising longitudinal traverses |
| EP0888874A2 (en) * | 1997-07-03 | 1999-01-07 | SCHULER PRESSEN GmbH & Co. | Multistage press for forming sheet metal parts |
| US6101861A (en) * | 1998-01-30 | 2000-08-15 | Verson, A Division Of Allied Products Corporation | Bridge frame for a transfer press |
| CN2820523Y (en) * | 2005-07-26 | 2006-09-27 | 天津市天锻压力机有限公司 | Large gantry prefastening frame type precision positioning machine body structure |
-
2007
- 2007-06-22 CN CNB2007100724022A patent/CN100415501C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1960562A1 (en) * | 1969-12-03 | 1971-06-24 | Schubert & Salzer Maschinen | Method and device for sliver spinning |
| US5595111A (en) * | 1992-06-27 | 1997-01-21 | L. Schuler Gmbh | Press installation comprising longitudinal traverses |
| EP0628363A1 (en) * | 1993-06-11 | 1994-12-14 | L. SCHULER GmbH | Multi column press |
| EP0888874A2 (en) * | 1997-07-03 | 1999-01-07 | SCHULER PRESSEN GmbH & Co. | Multistage press for forming sheet metal parts |
| US6101861A (en) * | 1998-01-30 | 2000-08-15 | Verson, A Division Of Allied Products Corporation | Bridge frame for a transfer press |
| CN2820523Y (en) * | 2005-07-26 | 2006-09-27 | 天津市天锻压力机有限公司 | Large gantry prefastening frame type precision positioning machine body structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101104321A (en) | 2008-01-16 |
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Effective date of registration: 20090313 Address after: No. 9, front office, ruby office, Fulaerji District, Heilongjiang, Qigihar Patentee after: China First Heavy Industries Co., Ltd. Address before: 9 Road, Tiexi factory, Fulaerji District, Qigihar, Heilongjiang Patentee before: China No.1 Heavy-Duty Machinery Group Co. |
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Owner name: CHINA FIRST HEACY MACHINE STOCK CO., LTD. Free format text: FORMER OWNER: CHINESE NO.1 HEAVY MECHANICAL GROUP CO. Effective date: 20090313 |
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Effective date of registration: 20200818 Address after: No.9, changqian Road, ruby office, Fularji District, Qiqihar, Heilongjiang Province, 161041 Co-patentee after: CHINA FIRST HEAVY INDUSTRIES Patentee after: Yizhong group (Heilongjiang) heavy industry Co., Ltd Address before: 161042, No. 9, front office, ruby office, Fulaerji District, Heilongjiang, Qigihar Patentee before: CHINA FIRST HEAVY INDUSTRIES |