CN203696401U - Rapid connecting centering device for ship shafting flange - Google Patents
Rapid connecting centering device for ship shafting flange Download PDFInfo
- Publication number
- CN203696401U CN203696401U CN201420048532.8U CN201420048532U CN203696401U CN 203696401 U CN203696401 U CN 203696401U CN 201420048532 U CN201420048532 U CN 201420048532U CN 203696401 U CN203696401 U CN 203696401U
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- Prior art keywords
- flange
- wedge
- sleeve
- clamp nut
- bolt
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- Expired - Lifetime
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- 238000012856 packing Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
A rapid connecting centering device for a ship shafting flange comprises a sleeve, a wedge-shaped bolt, a first clamp nut, a second clamp nut, a gasket, a cushion block and a hydraulic elongator. The sleeve is composed of an upper semicircle and a lower semicircle which are symmetric and provided with an opening. 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 sequentially connected with the gasket, the cushion block, the second clamp nut and the hydraulic elongator. According to the rapid connecting centering device for the ship shafting flange, the efficiency of shafting connecting work is obviously improved, the construction difficulty and the construction intensity of workers are reduced, the production cost is reduced, and the device is easy to operate, simple, capable of being permanently reused, free of special repair and maintenance and capable of being widely applied to rapid centering connection of flange holes of a propeller shaft and a middle shaft and flange holes of the middle shaft and a main machine.
Description
Technical field
The utility model relates to shipbuilding coupling of shaft system technical field, and particularly a kind of marine shafting flange connects centralising device 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, progressively adjusts by manual, wastes time and energy, and with regard to single jackshaft, front and back flange aligns needs approximately 3 hours consuming time, is difficult to ensure 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, adopt crow bar or adjust the method for interim intermediate bearing by workshop workmen, 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.
2,, when 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, our utility model coupling of shaft system frock, when allowing above work be simplified by the application of this frock, reach the effect settling at one go.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.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of marine shafting flange to connect fast centering method, realizes axle system and connects fast.
Technical solution of the present utility model 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 made up 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 half circle of sleeve, successively through two top flange holes for the treatment of centering marine shafting, is then inserted wedge bolt in the lower half circle of sleeve, finally the lower half circle 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 half circle 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 half circle of sleeve, finally the lower half circle 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 beneficial effects of the utility model are
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 inspection.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model marine shafting flange connects centralising device fast.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, but should limit protection domain of the present utility model with this.
Refer to Fig. 1, Fig. 1 is the structural representation that the utility model marine shafting flange 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 made up 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, the second clamp nut 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 utility model 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 use in pairs, and on flange, up and down or left and right opposite side uses (seeing figure mono-) together.
In the present embodiment, jackshaft jockey installation steps are as follows:
The first step: taking 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 half circle of sleeve, successively through two top flange holes, is then inserted wedge bolt in the lower half circle of sleeve, finally the lower half circle 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 half circle of sleeve, successively through two flange in the bottom holes, is then inserted wedge bolt in the lower half circle of sleeve, finally the lower half circle 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 utility model has significantly improved the efficiency of coupling of shaft system work, workman's difficulty of construction and intensity are reduced, save 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 (1)
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 made up 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), the second clamp nut (4) and hydraulic elongator (7) in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048532.8U CN203696401U (en) | 2014-01-26 | 2014-01-26 | Rapid connecting centering device for ship shafting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048532.8U CN203696401U (en) | 2014-01-26 | 2014-01-26 | Rapid connecting centering device for ship shafting flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203696401U true CN203696401U (en) | 2014-07-09 |
Family
ID=51046900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048532.8U Expired - Lifetime CN203696401U (en) | 2014-01-26 | 2014-01-26 | Rapid connecting centering device for ship shafting flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203696401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753191A (en) * | 2014-01-26 | 2014-04-30 | 沪东中华造船(集团)有限公司 | Device and method for fast connection centering for ship shafting flanges |
| CN108100156A (en) * | 2017-11-10 | 2018-06-01 | 武汉船用机械有限责任公司 | A kind of shafting alignment frock |
-
2014
- 2014-01-26 CN CN201420048532.8U patent/CN203696401U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753191A (en) * | 2014-01-26 | 2014-04-30 | 沪东中华造船(集团)有限公司 | Device and method for fast connection centering for ship shafting flanges |
| CN108100156A (en) * | 2017-11-10 | 2018-06-01 | 武汉船用机械有限责任公司 | A kind of shafting alignment frock |
| CN108100156B (en) * | 2017-11-10 | 2019-10-22 | 武汉船用机械有限责任公司 | A kind of shafting alignment tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |