CN104624654A - Construction method for installation of puncher frame structure - Google Patents
Construction method for installation of puncher frame structure Download PDFInfo
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- CN104624654A CN104624654A CN201410858166.7A CN201410858166A CN104624654A CN 104624654 A CN104624654 A CN 104624654A CN 201410858166 A CN201410858166 A CN 201410858166A CN 104624654 A CN104624654 A CN 104624654A
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Abstract
The invention relates to a construction method for installation of a puncher frame structure. The method is characterized in that an auxiliary support is adopted for on-site pairing installation, and a movable-end base and a movable-end rack which are installed in a pairing mode are horizontally moved in whole to be subjected to pairing installation together with a fixed-end base and a fixed-end rack which are installed in a pairing mode. The method has the advantages that the defects that by the adoption of the construction method that pairing is conducted through an assembling platform and then a whole is hoisted and adjusted, a large truck-mounted crane or a large crawler crane is needed for installation, due to limit on the radius of gyration and the jib length of the large crane, a foundation needs to be destroyed, and a closed plant roof needs to be dismounted are overcome; construction is simple in the method, pairing assembling can be conducted rapidly, the installation period is greatly shortened, manpower, materials, machinery one-shift and time are saved, installation quality can be guaranteed, and safety and reliability are achieved.
Description
Technical field
The present invention relates to a kind of construction method of installing punch frame structure, belong to metallurgical machinery equipment installation field
Background technology
Cone mill in iron and steel enterprise's seamless steel tube production chain is rolling equipment indispensable in continuous rolling production line process system, and the quality of punch installation quality, directly affects wall thickness and the external diameter of hollow forging.The structure of cone mill as shown in Figure 1, the frame structure be made up of base, frame, lower pressuring upper device 5, sill 6 (each 1 of left and right), entablature 7 (each 1 of left and right), wherein: base comprises movable end base 1, stiff end base 2, frame comprises movable end frame 3, stiff end frame 4, be provided with guide plate locking device 9 between movable end frame and stiff end frame, upper rack is connected with upper screwdown gear 8.
In the installation of punch frame structure, it is all that positioning key connects that frame is connected with lower and upper cross-member, cannot directly utilize overhead traveling crane to frame installation group pair, brings very large difficulty, must formulate a set of feasible installation method to installation.
General employing method: frame structure adopt first on assembly platform group to after integral hoisting the construction method of adjustment again.
That is: first the piercing mill housing and lower pressuring upper device and lower and upper cross-member are organized on assembly platform right, then that group is in place to good punch integral hoisting.
Existing problems: this method need be installed with large automobile crane or crawler crane, and punch basis is positioned on 12 meters of platforms, limit by large-scale crane radius of gyration and brachium, foundation failure and the factory roof closed need be removed, be difficult to carry out, and mechanical one-shift expense cost is high, equipment hoisting potential safety hazard is large.
Summary of the invention
The object of this invention is to provide a kind of supplemental support group that adopts to the construction method of the installation punch frame structure of technology, the present invention adopts the group be directly in place to mode, ensure the quality of products to reach, shorten the construction period, safe and reliable, reduce the object of construction cost.
Technical scheme of the present invention adopts following steps to realize:
1) stiff end floor installation: stiff end base is lifted on basis, utilize precision instrument by stiff end base center, absolute altitude, adjust to after meeting code requirement, with torque spanner, fastening foundation bolt is completed, after repetition measurement center elevation dimension is errorless, by stiff end base and the first wedge piece ferropexy of foundation wall facade, before frame is in place, stiff end base utilizes dial gauge to carry out overall process monitoring, in case stop machine frame install after in length and breadth center be subjected to displacement;
2) movable end floor installation: movable end base is lifted on basis, adjustment center and absolute altitude, by movable end base transverse center comparatively figure paper size amplification 70mm ± 5, to reserve the assemblage gap of lower pressuring upper device;
3) frame is installed: utilize overhead traveling crane by stiff end, movable end frame hoisted in position, after making base horizontal plane, vertical seam face and frame bottom surface close contact, the bolt of connection frame and base, then use guide chain and steel wire rope temporary fixed, prevent rack inclining;
4) under, pressuring upper device is installed: on the basis below lower pressuring upper device installation site, supplemental support is set and regulates support, regulate frame upper that the first jack is set in supplemental support, utilizing overhead traveling crane lower pressuring upper device to be lifted into supplemental support regulates on the first jack of frame upper, the positioning key of lower pressuring upper device is inserted in stiff end frame keyway simultaneously, carry out connecting fastening with bolt, by regulating the first jack in supplemental support, make lower pressuring upper device positioning key center and movable end key slot center after same level height, connect with bolt, but wouldn't be fastening,
5) sill is installed: the lower pressuring upper device below sill installation site is placed the second wedge shape parallels and the second jack, sill is lifted on the second wedge shape parallels, the positioning key of sill is inserted in stiff end frame keyway simultaneously, carry out connecting fastening with bolt, after utilizing the second jack and the second wedge shape parallels to make sill positioning key center and movable end frame key slot center adjust to same level height, connect with bolt, but wouldn't be fastening;
6) entablature is installed: do the strong point with sill, a temporary support is respectively placed on the sill top on movable end frame both sides, entablature is lifted on temporary support, the positioning key of entablature is inserted in stiff end frame keyway simultaneously, connect fastening with bolt, the 3rd jack is placed on the guide plate locking device top of frame, after making entablature positioning key center and movable end frame key slot center adjust to same level height, the 3rd wedge shape parallels is placed at temporary support top of the trellis, by the levelness of the good entablature of the 3rd wedge piece ferropexy, withdraw from the 3rd jack, connect with bolt, but wouldn't be fastening,
7) integral translation of movable end frame is in place: be evenly arranged three the 4th jack in movable end chassis outer side and centre, simultaneously operating three the 4th jack make movable end frame toward the translation of stiff end direction, slide calliper rule are utilized to come monitoring terminal frame and lower pressuring upper device, whether lower and upper cross-member positioning key is consistent with keyway two side clearance, monitor dial gauge simultaneously, after determining that stiff end base center original position is unchanged, make movable end frame keyway and lower pressuring upper device, on, sill positioning key is closely integrated, to all connecting bolts of movable end carry out fastening after, withdraw from all jack and auxiliary support frame, the group completing punch frame structure is right.
Advantage of the present invention is: adopt supplemental support group to install large-scale cone mill to technology, solve adopt first on assembly platform group to after integral hoisting need installing with large automobile crane or crawler crane of existing in the construction method of adjustment again, limit by large-scale crane radius of gyration and brachium, drawback foundation failure and the factory roof closed need removed; Method is easy and simple to handle, group to assembling, can shorten installation period greatly fast, saves manpower, material, mechanical one-shift and time, and can ensure installation quality, safe and reliable.
Accompanying drawing explanation
Fig. 1 is cone mill structural representation;
Fig. 2 adopts method of the present invention to install cone mill schematic diagram;
Fig. 3 is movable end frame integral translation schematic diagram (overlooking).
In figure: 1, movable end base, 2, stiff end base, 3, movable end frame, 4, stiff end frame, 5, lower pressuring upper device, 6, sill (each 1 of left and right), 7, entablature (each 1 of left and right), 8, upper screwdown gear, 9, guide plate locking device, 10, dial gauge, 11, reserved assemblage gap, 12, jack and steel wire rope, 13, supplemental support regulates support, 14, first jack, 15, second jack, 16, temporary support, 17, 3rd jack, 18, 3rd wedge shape parallels, 19, second wedge shape parallels, 20, first wedge shape parallels, 21, 4th jack, in figure, the direction of arrow is movable end frame integral translation direction.
Detailed description of the invention
Embodiment:
Adopt method of the present invention to carry out installation to the cone mill in certain iron and steel enterprise's seamless steel tube production chain, with reference to accompanying drawing 2,3, concrete steps are as follows:
1) stiff end floor installation: stiff end base 2 is lifted on basis, utilize precision instrument by stiff end base center, absolute altitude, adjust to after meeting code requirement, with torque spanner, fastening foundation bolt is completed, after repetition measurement center elevation dimension is errorless, stiff end base and foundation wall facade the first wedge shape parallels 20 are fixed, in case cause base play when stop machine frame is in place.Before frame is in place, stiff end base utilizes dial gauge 10 to carry out overall process monitoring, in case stop machine frame install after in length and breadth center be subjected to displacement;
2) movable end floor installation: movable end base 1 is lifted on basis, adjustment center and absolute altitude, but it is all that positioning key connects that frame is connected with each parts, for the ease of intermediate equipment group pair, by movable end base transverse center comparatively figure paper size amplification 70mm, to reserve the assemblage gap 11 of intermediate equipment, foundation bolt wouldn't be fastening, after intermediate equipment installation in position, then adjust;
3) frame is installed: utilize overhead traveling crane by stiff end frame 4, movable end frame 3 hoisted in position, after making base horizontal plane, vertical seam face and frame bottom surface close contact, the bolt of connection frame and base, then use guide chain and steel wire rope 12 temporary fixed, prevent rack inclining;
4) under, pressuring upper device is installed: on the basis below lower pressuring upper device installation site, supplemental support is set and regulates support 13, regulate frame upper that the first jack 14 is evenly set in supplemental support, utilizing overhead traveling crane lower pressuring upper device 5 to be lifted into supplemental support regulates on the first jack of frame upper, the positioning key of lower pressuring upper device is inserted in stiff end frame keyway simultaneously, carry out connecting fastening with bolt, by regulating the first jack in supplemental support, make lower pressuring upper device positioning key center and movable end key slot center after same level height, connect with bolt, but wouldn't be fastening, to ensure that frame is in last translation motion, keyway and intermediate equipment positioning key close contact,
5) sill installs (totally two, by a left side, right both sides composition): the lower pressuring upper device below sill installation site is placed the second wedge shape parallels 19 and the second jack 15, sill 6 is lifted on the second wedge shape parallels, the positioning key of sill is inserted in stiff end frame keyway simultaneously, carry out connecting fastening with bolt, after utilizing the second jack and the second wedge shape parallels to make sill positioning key center and movable end frame key slot center adjust to same level height, connect with bolt, but wouldn't be fastening, again to its bolted after the integral translation of movable end frame puts in place,
6) entablature installs (totally two, by a left side, right both sides composition): do the strong point with sill, a temporary support 16 (support post) is respectively placed on the sill top on movable end frame both sides, entablature 7 is lifted on temporary support, the positioning key of entablature is inserted in stiff end frame keyway simultaneously, connect fastening with bolt, the 3rd jack 17 is placed on guide plate locking device 9 top of frame, after making entablature positioning key center and movable end frame key slot center adjust to same level height, the 3rd wedge shape parallels 18 is placed at temporary support top of the trellis, by the levelness of the good entablature of the 3rd wedge piece ferropexy, withdraw from the 3rd jack, connect with bolt, but wouldn't be fastening,
7) integral translation of movable end frame is in place: be evenly arranged three 100 tons of hydraulic pressure the 4th jack 21 in movable end chassis outer side and centre, simultaneously operating three the 4th jack make movable end frame toward the translation of stiff end direction, slide calliper rule are utilized to come monitoring terminal frame and lower pressuring upper device, whether lower and upper cross-member positioning key is consistent with keyway two side clearance, during as translational gap generation deviation, stop simultaneously operating immediately, with single or two jack compounding practices, carry out correction of deviation value, after all are normal, synchronous translational movable end frame again, monitor dial gauge 10 simultaneously, after determining that stiff end base center original position is unchanged, make movable end frame keyway and lower pressuring upper device, on, sill positioning key is closely integrated, to all connecting bolts of movable end carry out fastening after, withdraw from all jack and auxiliary support frame, the group completing punch frame structure is right.
After having constructed, all technical all reaches design standard, and cone mill frame is in length and breadth to centerline deviation 0.20mm, punch base absolute altitude deviation+0.2mm, levelness 0.05/1000mm, frame perpendicularity deviation 0.05/1000mm, the depth of parallelism: 0.1/1000mm.
Claims (1)
1. a construction method for punch frame structure is installed, it is characterized in that:
1) stiff end floor installation: stiff end base is lifted on basis, utilize precision instrument by stiff end base center, absolute altitude, adjust to after meeting code requirement, with torque spanner, fastening foundation bolt is completed, after repetition measurement center elevation dimension is errorless, by stiff end base and the first wedge piece ferropexy of foundation wall facade, before frame is in place, stiff end base utilizes dial gauge to carry out overall process monitoring, in case stop machine frame install after in length and breadth center be subjected to displacement;
2) movable end floor installation: movable end base is lifted on basis, adjustment center and absolute altitude, by movable end base transverse center comparatively figure paper size amplification 70mm ± 5, to reserve the assemblage gap of lower pressuring upper device;
3) frame is installed: utilize overhead traveling crane by stiff end, movable end frame hoisted in position, after making base horizontal plane, vertical seam face and frame bottom surface close contact, the bolt of connection frame and base, then use guide chain and steel wire rope temporary fixed, prevent rack inclining;
4) under, pressuring upper device is installed: on the basis below lower pressuring upper device installation site, supplemental support is set and regulates support, regulate frame upper that the first jack is set in supplemental support, utilizing overhead traveling crane lower pressuring upper device to be lifted into supplemental support regulates on the first jack of frame upper, the positioning key of lower pressuring upper device is inserted in stiff end frame keyway simultaneously, carry out connecting fastening with bolt, by regulating the first jack in supplemental support, make lower pressuring upper device positioning key center and movable end key slot center after same level height, connect with bolt, but wouldn't be fastening,
5) sill is installed: the lower pressuring upper device below sill installation site is placed the second wedge shape parallels and the second jack, sill is lifted on the second wedge shape parallels, the positioning key of sill is inserted in stiff end frame keyway simultaneously, carry out connecting fastening with bolt, after utilizing the second jack and the second wedge shape parallels to make sill positioning key center and movable end frame key slot center adjust to same level height, connect with bolt, but wouldn't be fastening;
6) entablature is installed: do the strong point with sill, a temporary support is respectively placed on the sill top on movable end frame both sides, entablature is lifted on temporary support, the positioning key of entablature is inserted in stiff end frame keyway simultaneously, connect fastening with bolt, the 3rd jack is placed on the guide plate locking device top of frame, after making entablature positioning key center and movable end frame key slot center adjust to same level height, the 3rd wedge shape parallels is placed at temporary support top of the trellis, by the levelness of the good entablature of the 3rd wedge piece ferropexy, withdraw from the 3rd jack, connect with bolt, but wouldn't be fastening,
7) integral translation of movable end frame is in place: be evenly arranged three the 4th jack in movable end chassis outer side and centre, simultaneously operating three the 4th jack make movable end frame toward the translation of stiff end direction, slide calliper rule are utilized to come monitoring terminal frame and lower pressuring upper device, whether lower and upper cross-member positioning key is consistent with keyway two side clearance, monitor dial gauge simultaneously, after determining that stiff end base center original position is unchanged, make movable end frame keyway and lower pressuring upper device, on, sill positioning key is closely integrated, to all connecting bolts of movable end carry out fastening after, withdraw from all jack and auxiliary support frame, the group completing punch frame structure is right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410858166.7A CN104624654A (en) | 2014-12-31 | 2014-12-31 | Construction method for installation of puncher frame structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410858166.7A CN104624654A (en) | 2014-12-31 | 2014-12-31 | Construction method for installation of puncher frame structure |
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| CN104624654A true CN104624654A (en) | 2015-05-20 |
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| CN201410858166.7A Pending CN104624654A (en) | 2014-12-31 | 2014-12-31 | Construction method for installation of puncher frame structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834116A (en) * | 2017-11-29 | 2019-06-04 | 中冶宝钢技术服务有限公司 | The replacement system and replacing options of the top roller of horizontal loop |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018494B2 (en) * | 1978-10-12 | 1985-05-10 | 石川島播磨重工業株式会社 | Roll changing device in vertical rolling mill |
| CN101391267A (en) * | 2008-11-04 | 2009-03-25 | 北京首钢建设集团有限公司 | On-line assembling entirety on-position assembling method of edge mill |
| KR20090006314U (en) * | 2007-12-21 | 2009-06-25 | 현대제철 주식회사 | Frame Structure of Lifter for Rolling Mill Roll Stand |
| CN201565475U (en) * | 2009-12-22 | 2010-09-01 | 太原重工股份有限公司 | Online guide plate replacing device of puncher |
| CN102989778A (en) * | 2012-12-18 | 2013-03-27 | 中国二冶集团有限公司 | Construction method for replacing roll bending and shifting hydraulic cylinder frame of plate rolling mill |
| CN102989773A (en) * | 2012-12-18 | 2013-03-27 | 中国二冶集团有限公司 | Construction method for improving centring accuracy of racks of steel tube perforating machines |
-
2014
- 2014-12-31 CN CN201410858166.7A patent/CN104624654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018494B2 (en) * | 1978-10-12 | 1985-05-10 | 石川島播磨重工業株式会社 | Roll changing device in vertical rolling mill |
| KR20090006314U (en) * | 2007-12-21 | 2009-06-25 | 현대제철 주식회사 | Frame Structure of Lifter for Rolling Mill Roll Stand |
| CN101391267A (en) * | 2008-11-04 | 2009-03-25 | 北京首钢建设集团有限公司 | On-line assembling entirety on-position assembling method of edge mill |
| CN201565475U (en) * | 2009-12-22 | 2010-09-01 | 太原重工股份有限公司 | Online guide plate replacing device of puncher |
| CN102989778A (en) * | 2012-12-18 | 2013-03-27 | 中国二冶集团有限公司 | Construction method for replacing roll bending and shifting hydraulic cylinder frame of plate rolling mill |
| CN102989773A (en) * | 2012-12-18 | 2013-03-27 | 中国二冶集团有限公司 | Construction method for improving centring accuracy of racks of steel tube perforating machines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834116A (en) * | 2017-11-29 | 2019-06-04 | 中冶宝钢技术服务有限公司 | The replacement system and replacing options of the top roller of horizontal loop |
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Application publication date: 20150520 |