CN103753191A - Device and method for fast connection centering for ship shafting flanges - Google Patents
Device and method for fast connection centering for ship shafting flanges Download PDFInfo
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- CN103753191A CN103753191A CN201410036314.7A CN201410036314A CN103753191A CN 103753191 A CN103753191 A CN 103753191A CN 201410036314 A CN201410036314 A CN 201410036314A CN 103753191 A CN103753191 A CN 103753191A
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- flange
- sleeve
- wedge
- centering
- clamp nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
- B23P19/12—Alignment of parts for insertion into bores
Abstract
A device for fast connection centering for ship shafting flanges comprises a sleeve, a wedge-shaped bolt, a first clamp nut, a second clamp nut, a gasket, a cushion block and a hydraulic stretcher. The sleeve is composed of an upper half circle and a lower half circle which are symmetrical, an opening is reserved in the sleeve, and a wedge-shaped square hole is formed in the sleeve, the wedge-shaped bolt penetrates through the wedge-shaped square hole, the two ends of the wedge-shaped bolt extend out of the two ends of the sleeve respectively, one end of the wedge-shaped bolt is connected with the first clamp nut, and the other end of the wedge-shaped bolt is connected with the gasket, the cushion block, the second clamp nut and the hydraulic stretcher in sequence. The invention further discloses a centering method for the device. By means of the device and method, the working efficiency of shafting connection is improved, the construction difficulty and strength of workers are reduced, production cost is saved, the device is easy to operate and can be repeatedly and permanently used, special maintaining is not needed, and the device can be widely applied to the fast centering connection between a screw shaft and a middle shaft and between the middle shaft and a flange hole of a main machine.
Description
Technical field
The present invention relates to shipbuilding coupling of shaft system technical field, particularly a kind of marine shafting flange connects centralising device and centering method fast.
Background technology
Under current Chuan complicated and changeable city situation, realize and fall this gain, improve the quality of products, and enterprise develops intension thus, enhances one's market competitiveness, just must be by advanced technique.The traditional method of coupling of shaft system is to adopt lining bar, by manual, progressively adjusts, and wastes time and energy, and with regard to single jackshaft, front and back flange aligns needs approximately 3 hours consuming time, is difficult to guarantee to check and accept shafting alignment and coupling of shaft system within one day simultaneously.How improving the joint efficiency of axle system, thereby shorten the coupling of shaft system time, is a thorny problem that must solve.
The most of rigid flange that adopts of coupling of shaft system connects, for the quite high coupling of shaft system of installation accuracy, axle is that flange bolt and flange hole adopt interference fit, the magnitude of interference only has 0.005mm～0.015mm, and the flange of every pair of connection has 8 flange articulation holes on circumference, therefore before connecting shaft, needs flange hole to align, be controlled at≤0.03mm of dislocation, meanwhile, two adpting flange contact-making surfaces need be adjacent to, and required precision is very high.According to traditional way, by workshop workmen, adopt crow bar or adjust the method for interim intermediate bearing, adjust single flange up and down before and after three-dimensional meet and the relative position of another one flange, time-consumingly require great effort again.There is following awkward drawback in traditional way:
1, before two flanges connect, two pairs of end face of flange must be adjacent to, and guarantee that contact area is up to standard.
When 2, guaranteeing that flange contact facings is long-pending, 8 articulation holes on flange must align, magnitude of misalignment≤0.03mm.
So high is just very time-consuming by manual fine setting to hole precision, how to allow being adjacent to and hole process is simplified more of two adpting flanges, reduces the impact of human factor, is the key that shortens the coupling of shaft system time.For this reason, we have invented coupling of shaft system frock, reach the effect settling at one go when allowing above work be simplified by the application of this frock.By jockey, utilize hydraulic elongator wedge bolt and wedge sleeve to be tightened up to reach axle be the object that two flange holes " are just being twisted " automatically.Adopt this device, tighten front two flange holes and can allow dislocation≤2mm, flange face allows dislocation≤6mm.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of marine shafting flange and connect fast centering method, realize axle system and connect fast.
Technical solution of the present invention is as follows:
A kind of marine shafting flange connects centralising device fast, and its feature is, comprises sleeve, wedge bolt, the first clamp nut, the second clamp nut, packing ring, cushion block and hydraulic elongator;
Described sleeve is comprised of the upper and lower two semicircular of symmetry and leaves opening, is provided with wedge square hole in this sleeve;
Described wedge bolt is through this wedge square hole, and stretch out respectively outside sleeve two ends at the two ends of wedge bolt;
One end of described wedge bolt is connected with the first clamp nut, and the other end of this wedge bolt is connected with packing ring, cushion block the second clamp nut and hydraulic elongator in turn.
Utilize described marine shafting flange to connect fast the centering method of centralising device, its feature is, the method comprises the steps:
The first step: adjust two positions for the treatment of centering marine shafting flange, make the be controlled at≤2mm of flange hole dislocation on both, within be controlled at≤6mm of flange face dislocation scope;
Second step: the lower semi-circular of sleeve, successively through two top flange holes for the treatment of centering marine shafting, is then inserted wedge bolt in the lower semi-circular of sleeve, finally the lower semi-circular of sleeve is passed to two top flange holes for the treatment of centering marine shafting successively;
The 3rd step: one end that contract type bolt is exceeded to end face of flange first clamp nut of screwing on, the other end that contract type bolt exceeds end face of flange screw on successively packing ring, cushion block and the second clamp nut, and till tightening;
The 4th step: the lower semi-circular of sleeve, successively through two flange in the bottom holes for the treatment of centering marine shafting, is then inserted wedge bolt in the lower semi-circular of sleeve, finally the lower semi-circular of sleeve is passed to two flange in the bottom holes for the treatment of centering marine shafting successively;
The 5th step: one end that contract type bolt is exceeded to end face of flange first clamp nut of screwing on, the other end that contract type bolt exceeds end face of flange screw on successively packing ring, cushion block and the second clamp nut, and till tightening;
The 6th step: hydraulic elongator is installed respectively in the outside at two the second clamp nuts, and this hydraulic elongator is connected with hydraulic pump through hydraulic tube;
The 5th step: primer fluid press pump, contract type bolt is moved axially, drive the radially spreading of two semicircular up and down of contract jacket cylinder, thereby make two to treat that centering marine shafting flange is concentric;
The 6th step: other connecting bolts of interference are filled in to two and treat other flange holes of centering marine shafting, fastening nut;
The 7th step: shed the pressure of hydraulic elongator, pull down upper and lower two hydraulic elongators, remove contract type bolt and sleeve, two flange interference connecting bolts are filled in respectively to the top flange hole and the flange in the bottom hole that have aligned, the nut of screwing on, installs and finish.
Compared with prior art, the invention has the beneficial effects as follows
1, coupling of shaft system efficiency significantly improves, and workman's difficulty of construction and intensity are obviously reduced simultaneously;
2, save production cost, avoided shipowner to postpone the possibility of check.
Accompanying drawing explanation
Fig. 1 is the structural representation that marine shafting flange of the present invention connects centralising device fast.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but should not limit the scope of the invention with this.
Refer to Fig. 1, Fig. 1 is the structural representation that marine shafting flange of the present invention connects centralising device fast, as shown in the figure, a kind of marine shafting flange connects centralising device fast, comprises sleeve 1, wedge bolt 2, the first clamp nut 3, the second clamp nut 4, packing ring 5, cushion block 6 and hydraulic elongator 7; Described sleeve 1 is comprised of the upper and lower two semicircular of symmetry and leaves opening, in this sleeve 1, is provided with wedge square hole; Described wedge bolt 2 is through this wedge square hole, and stretch out respectively outside sleeve two ends at the two ends of wedge bolt 2; One end of described wedge bolt 2 is connected with the first clamp nut 3, and the other end of this wedge bolt 2 is connected with packing ring 5, cushion block 6 second clamp nuts 4 and hydraulic elongator 7 in turn.
The installation steps that are jockey with 76000 tonnes of bulk goods wheel shafts below illustrate the application in practice of the inventive method.
Jackshaft in the present embodiment and the single gross weight of main frame flywheel jockey assembly :～10kg, appearance and size: 60X350(diameter X length), this device must be used in pairs, and on flange, up and down or left and right opposite side is used (see figure 1) together.
In the present embodiment, jackshaft jockey installation steps are as follows:
The first step: take the flange 8 of main frame flywheel as benchmark, adjust jackshaft three-dimensional coordinate, make two be controlled at≤2mm of flange holes dislocation of jackshaft flange 9 and main frame flywheel, within be controlled at≤6mm of flange face dislocation scope.
Second step: the lower semi-circular of sleeve, successively through two top flange holes, is then inserted wedge bolt in the lower semi-circular of sleeve, finally the lower semi-circular of sleeve is passed to two top flange holes successively;
The 3rd step: one end that contract type bolt is exceeded to end face of flange first clamp nut of screwing on, the other end that contract type bolt exceeds end face of flange screw on successively packing ring, cushion block and the second clamp nut, and till tightening.
The 4th step: the lower semi-circular of sleeve, successively through two flange in the bottom holes, is then inserted wedge bolt in the lower semi-circular of sleeve, finally the lower semi-circular of sleeve is passed to two flange in the bottom holes for the treatment of centering marine shafting successively;
The 5th step: one end that contract type bolt is exceeded to end face of flange first clamp nut of screwing on, the other end that contract type bolt exceeds end face of flange screw on successively packing ring, cushion block and the second clamp nut, and till tightening;
The 4th step: near that end of jackshaft flange hydraulic elongator of screwing on, for hydraulic elongator, hydraulic tube connects upper hydraulic pump simultaneously at contract type bolt.
The 5th step: start hydraulic electric pump or hydraulic hand-pump, build-up pressure, now owing to being subject to the effect of hydraulic tensioning power, contract type hydraulic bolt moves axially toward jackshaft direction, because contract type bolt and contract jacket cylinder are that contract type contacts, moving axially of contract type bolt makes two parts up and down of contract jacket cylinder toward to the greatest extent to direction spreading, makes jackshaft flange automatically concentric with the hole on main frame flywheel.
The 6th step: now other six roots of sensation connecting bolts of interference are filled in to six flange holes, fastening nut, six bolts are installed and are finished.
The 7th step: shed the pressure of hydraulic elongator, pull down upper and lower two hydraulic elongators, remove contract type bolt and contract jacket cylinder, other two flange interference connecting bolts are filled in to the bolt hole having aligned, the nut of screwing on, a pair of flange is connected and installed thoroughly and finishes.
The results showed, the present invention has significantly improved the efficiency of coupling of shaft system work, workman's difficulty of construction and intensity have been reduced, saved production cost, and easily behaviour simple, can forever reuse, without special maintenance, can be widely used in being connected with the flange hole quick centring of main frame with jackshaft, jackshaft for stern tube shaft.
Claims (2)
1. marine shafting flange connects a centralising device fast, it is characterized in that, comprises sleeve (1), wedge bolt (2), the first clamp nut (3), the second clamp nut (4), packing ring (5), cushion block (6) and hydraulic elongator (7);
Described sleeve (1) is comprised of the upper and lower two semicircular of symmetry and leaves opening, in this sleeve (1), is provided with wedge square hole;
Described wedge bolt (2) is through this wedge square hole, and stretch out respectively outside sleeve two ends at the two ends of wedge bolt (2);
One end of described wedge bolt (2) is connected with the first clamp nut (3), and the other end of this wedge bolt (2) is connected with packing ring (5), cushion block (6) second clamp nuts (4) and hydraulic elongator (7) in turn.
2. utilize marine shafting flange described in claim 1 to connect fast the centering method of centralising device, it is characterized in that, the method comprises the steps:
The first step: adjust two positions for the treatment of centering marine shafting flange, make the be controlled at≤2mm of flange hole dislocation on both, within be controlled at≤6mm of flange face dislocation scope;
Second step: the lower semi-circular of sleeve, successively through two top flange holes for the treatment of centering marine shafting, is then inserted wedge bolt in the lower semi-circular of sleeve, finally the lower semi-circular of sleeve is passed to two top flange holes for the treatment of centering marine shafting successively;
The 3rd step: one end that contract type bolt is exceeded to end face of flange first clamp nut of screwing on, the other end that contract type bolt exceeds end face of flange screw on successively packing ring, cushion block and the second clamp nut, and till tightening;
The 4th step: the lower semi-circular of sleeve, successively through two flange in the bottom holes for the treatment of centering marine shafting, is then inserted wedge bolt in the lower semi-circular of sleeve, finally the lower semi-circular of sleeve is passed to two flange in the bottom holes for the treatment of centering marine shafting successively;
The 5th step: one end that contract type bolt is exceeded to end face of flange first clamp nut of screwing on, the other end that contract type bolt exceeds end face of flange screw on successively packing ring, cushion block and the second clamp nut, and till tightening;
The 6th step: hydraulic elongator is installed respectively in the outside at two the second clamp nuts, and this hydraulic elongator is connected with hydraulic pump through hydraulic tube;
The 5th step: primer fluid press pump, contract type bolt is moved axially, drive the radially spreading of two semicircular up and down of contract jacket cylinder, thereby make two to treat that centering marine shafting flange is concentric;
The 6th step: other connecting bolts of interference are filled in to two and treat other flange holes of centering marine shafting, fastening nut;
The 7th step: shed the pressure of hydraulic elongator, pull down upper and lower two hydraulic elongators, remove contract type bolt and sleeve, two flange interference connecting bolts are filled in respectively to the top flange hole and the flange in the bottom hole that have aligned, the nut of screwing on, installs and finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036314.7A CN103753191B (en) | 2014-01-26 | 2014-01-26 | Marine shafting flange connects centralising device and centering method fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036314.7A CN103753191B (en) | 2014-01-26 | 2014-01-26 | Marine shafting flange connects centralising device and centering method fast |
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| CN103753191A true CN103753191A (en) | 2014-04-30 |
| CN103753191B CN103753191B (en) | 2016-05-11 |
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| CN201410036314.7A Active CN103753191B (en) | 2014-01-26 | 2014-01-26 | Marine shafting flange connects centralising device and centering method fast |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160988A (en) * | 2015-09-29 | 2015-12-16 | 大连经济技术开发区拉特激光技术开发有限公司 | Shafting alignment and piping layout training system |
| CN107175504A (en) * | 2017-05-31 | 2017-09-19 | 苏州诚峰机电设备有限公司 | Assembling automobile gear shifting device device |
| CN107931953A (en) * | 2017-11-14 | 2018-04-20 | 武汉船用机械有限责任公司 | A kind of docking calculation for intermediate shaft system |
| CN108907672A (en) * | 2018-09-17 | 2018-11-30 | 江苏大亚铝业有限公司 | A kind of hydraulic cylinder pin shaft installation tool and its application method |
| CN110900119A (en) * | 2019-10-29 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Machining method for connecting bolt hole of hinged intermediate shaft and flywheel end of main machine |
| CN112388299A (en) * | 2020-11-25 | 2021-02-23 | 洛阳双瑞风电叶片有限公司 | Wind power blade root bolt perpendicularity control tool and bolt installation method |
| CN112682104A (en) * | 2020-12-25 | 2021-04-20 | 福建福清核电有限公司 | Bolt installation method for steam turbine coupling in nuclear power plant |
| CN113305530A (en) * | 2021-06-07 | 2021-08-27 | 西安英利科电气科技有限公司 | Flexible butt joint structure and method for horizontal assembly of medium-large rocket |
| CN113500550A (en) * | 2021-07-27 | 2021-10-15 | 马宏雨 | Three-ring speed reducer with centering function |
| CN116944838A (en) * | 2023-09-18 | 2023-10-27 | 山西富兴通重型环锻件有限公司 | Flange pressing device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160988A (en) * | 2015-09-29 | 2015-12-16 | 大连经济技术开发区拉特激光技术开发有限公司 | Shafting alignment and piping layout training system |
| CN107175504B (en) * | 2017-05-31 | 2023-09-12 | 苏州诚峰机电设备有限公司 | Automobile gear shifter assembling device |
| CN107175504A (en) * | 2017-05-31 | 2017-09-19 | 苏州诚峰机电设备有限公司 | Assembling automobile gear shifting device device |
| CN107931953A (en) * | 2017-11-14 | 2018-04-20 | 武汉船用机械有限责任公司 | A kind of docking calculation for intermediate shaft system |
| CN107931953B (en) * | 2017-11-14 | 2019-10-25 | 武汉船用机械有限责任公司 | A kind of interconnection method for intermediate shaft system |
| CN108907672A (en) * | 2018-09-17 | 2018-11-30 | 江苏大亚铝业有限公司 | A kind of hydraulic cylinder pin shaft installation tool and its application method |
| CN108907672B (en) * | 2018-09-17 | 2024-01-05 | 江苏大亚铝业有限公司 | Hydraulic cylinder pin shaft mounting tool and use method thereof |
| CN110900119A (en) * | 2019-10-29 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Machining method for connecting bolt hole of hinged intermediate shaft and flywheel end of main machine |
| CN112388299A (en) * | 2020-11-25 | 2021-02-23 | 洛阳双瑞风电叶片有限公司 | Wind power blade root bolt perpendicularity control tool and bolt installation method |
| CN112682104A (en) * | 2020-12-25 | 2021-04-20 | 福建福清核电有限公司 | Bolt installation method for steam turbine coupling in nuclear power plant |
| CN113305530A (en) * | 2021-06-07 | 2021-08-27 | 西安英利科电气科技有限公司 | Flexible butt joint structure and method for horizontal assembly of medium-large rocket |
| CN113500550A (en) * | 2021-07-27 | 2021-10-15 | 马宏雨 | Three-ring speed reducer with centering function |
| CN116944838A (en) * | 2023-09-18 | 2023-10-27 | 山西富兴通重型环锻件有限公司 | Flange pressing device |
| CN116944838B (en) * | 2023-09-18 | 2023-12-01 | 山西富兴通重型环锻件有限公司 | Flange pressing device |
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| CN103753191B (en) | 2016-05-11 |
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