CN117184357A - Installation method of hydraulic coupling of ship shafting - Google Patents
Installation method of hydraulic coupling of ship shafting Download PDFInfo
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- CN117184357A CN117184357A CN202311146639.6A CN202311146639A CN117184357A CN 117184357 A CN117184357 A CN 117184357A CN 202311146639 A CN202311146639 A CN 202311146639A CN 117184357 A CN117184357 A CN 117184357A
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- outer sleeve
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- hydraulic coupling
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- 230000008878 coupling Effects 0.000 title claims abstract description 68
- 238000010168 coupling process Methods 0.000 title claims abstract description 68
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 68
- 238000009434 installation Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 41
- 238000005086 pumping Methods 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 75
- 238000011900 installation process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Abstract
The application discloses a method for installing a hydraulic coupling of a ship shafting, which comprises the steps of sleeving the hydraulic coupling on a first shaft, drawing the first shaft and a second shaft in a centering way, sequentially adjusting the positions of an inner sleeve and an outer sleeve of the hydraulic coupling, and finally installing a hydraulic coupling accessory. The hydraulic coupling can be quickly installed in place, the installation efficiency of the hydraulic coupling can be improved, the damage to the inner surface of the inner sleeve and the outer surface of the shafting in the positioning process of the inner sleeve can be reduced, the length of the connecting part of the two shaft sections of the hydraulic coupling after the hydraulic coupling is pressed and rotated can be ensured to be as long as possible, and the torque transmission is more balanced.
Description
Technical Field
The application relates to the technical field of ship construction, in particular to a method for installing a hydraulic coupling of a ship shafting.
Background
The ship shafting is an important component in the ship power device, and the ship shafting is used for connecting the main engine and the propeller, transmitting power sent by the main engine to the propeller, and transmitting thrust generated by the propeller to the ship body so as to achieve the purpose of propelling the ship. The hydraulic coupling is a detachable coupling which can make two inner and outer sleeves with conical contact surfaces generate relative displacement under the action of oil pressure, and make the inner sleeve pinch the two connecting shafts under the action of elastic deformation after the oil pressure is removed.
The traditional hydraulic coupler installation method is easy to roughen the inner surface of the inner sleeve and the outer surface of the shaft system when the inner sleeve of the hydraulic coupler is positioned, the relative positions of the inner sleeve and the two shafts are not detected in the installation process of the hydraulic coupler, and once the hydraulic coupler is in a gap between the two types in the installation process, serious consequences can be generated, and even the hydraulic coupler parts can be damaged.
Disclosure of Invention
In view of the above, the present application provides a method for installing a hydraulic coupling of a marine shafting, which is used for solving the problems in the prior art.
The installation method of the hydraulic coupling of the ship shafting specifically comprises the following steps:
s1, a hydraulic coupler is sleeved on a first shaft, and the shaft end part of the first shaft extends out of the hydraulic coupler;
s2, drawing the second shaft and centering the first shaft, respectively marking out a plurality of positioning lines on the first shaft and the second shaft, and projecting each positioning line on the adjacent side bulkhead to obtain a first inspection line corresponding to each positioning line;
s3, determining the outer sleeve installation displacement S of the hydraulic coupler max According to the displacement S of the jacket installation max The inner sleeve positioning line l of the hydraulic coupler is marked on the second shaft according to the inner sleeve and outer sleeve dimensions of the hydraulic coupler 1 A second inspection line is drawn on one side of the inner sleeve positioning line, which is far away from the large end surface of the inner sleeve;
s4, slowly moving the hydraulic coupler until the large end face of the inner sleeve of the hydraulic coupler reaches the inner sleeve positioning line l 1 Overlapping;
s5, connecting an oil inlet hole of the hydraulic coupler with an oil pump;
s6, according to the outer sleeve mounting displacement S of the hydraulic coupler max Slowly moving the outer sleeve of the hydraulic coupler until the outer sleeve moves into place;
s7, installing the hydraulic coupling accessory.
Preferably, in S3, the sleeve mounting displacement S of the hydraulic coupling is determined max The specific steps of (a) are as follows:
measuring the inner diameter of an inner sleeve of the hydraulic coupler and the outer diameter of the first shaft;
calculating an actual installation clearance of the inner sleeve according to the inner diameter of the inner sleeve and the outer diameter of the first shaft of the hydraulic coupling, wherein the actual installation clearance of the inner sleeve is equal to the difference between the inner diameter of the inner sleeve and the outer diameter of the first shaft;
according to the installation displacement provided by the hydraulic coupling manufacturer and the installation clearance comparison table, the installation displacement corresponding to the actual installation clearance of the inner sleeve is obtained by looking up a table, and the installation displacement is the outer sleeve installation displacement S max 。
Preferably, in S3, an inner sleeve positioning line l of the hydraulic coupler is marked on the second shaft 1 The specific steps of (a) are as follows:
according to the mounting displacement S of the jacket max The inner sleeve and the outer sleeve of the hydraulic coupler are sized to calculate the distance L between the inner sleeve positioning line and the two-axis centering line of the hydraulic coupler;
according to the distance L between the inner sleeve positioning line and the two-axis centering line, the inner sleeve positioning line L of the hydraulic coupler is marked on the second shaft by taking the two-axis centering line as a starting point 1 。
Preferably, the distance L=L between the inner sleeve positioning line and the two-axis centering line of the hydraulic coupler 1 +(S 0 -S max ) Wherein L is 1 The contact length between the inner sleeve and the outer sleeve of the hydraulic coupler is half; s is S 0 The zero line is the theoretical initial distance between the large end surface of the inner sleeve and the corresponding side end surface of the outer sleeve when the hydraulic coupler leaves a factory; s is S max And mounting displacement for the outer sleeve.
Preferably, the oil inlet of the hydraulic coupling comprises a radial oil inlet and an axial oil inlet,
s6, according to the outer sleeve mounting displacement S of the hydraulic coupler max The specific steps of the jacket of the slow-moving hydraulic coupler are as follows:
measuring the actual initial distance between the large end face of the inner sleeve and the corresponding side end face of the outer sleeve of the hydraulic coupler, and judging the distance and the theoretical initial distance S 0 If the oil is equal, pumping oil to the axial oil inlet hole to enable the outer sleeve to slowly move under the action of oil pressure until the distance between the large end surface of the inner sleeve and the corresponding side end surface of the outer sleeve is equal to the theoretical initial distance S 0 Until that is reached;
then pumping oil to the radial oil inlet holes, pumping oil to the axial oil inlet holes and the radial oil inlet holes simultaneously to ensure that the outer sleeve continuously and slowly moves when oil seeps out from the periphery of the contact surface of the inner sleeve and the outer sleeve at the non-piston end of the hydraulic coupling, and mounting displacement S when the outer sleeve moves max The pumping of oil is stopped.
Preferably, when oil is pumped into the axial oil inlet hole and the radial oil inlet hole simultaneously to enable the outer sleeve to continuously and slowly move, whether the outer sleeve moves in place is judged by measuring the distance A between the end face of the outer sleeve and the large end face of the inner sleeve, and when the distance A=S between the end face of the outer sleeve and the large end face of the inner sleeve 0 -S max When the jacket is moved into place, the pumping of oil is stopped.
Preferably, the dial indicator is arranged on the wall of the hydraulic coupling or the adjacent side cabin, and the pointer of the dial indicator is aligned with the end face of the outer sleeve,
when oil is pumped into the axial oil inlet hole and the radial oil inlet hole simultaneously to enable the outer sleeve to continuously and slowly move, whether the outer sleeve moves in place is judged by observing the readings of the dial indicator, and when the readings of the dial indicator are equal to the installation displacement S of the outer sleeve max When the jacket is moved into place, the pumping of oil is stopped.
Preferably, the specific steps of installing the hydraulic coupling accessory in step S7 are:
dismantling an oil pump, and installing a sealing screw on an oil inlet hole of the hydraulic coupler;
and (3) coating silica gel on the contact part between the outer sleeve and the piston of the hydraulic coupler, installing a protective cover, and sleeving a rubber protective sleeve.
The beneficial effects of the application are as follows:
1. the hydraulic coupling can be quickly installed in place, the installation efficiency of the hydraulic coupling can be improved, the damage to the inner surface of the inner sleeve and the outer surface of the shafting in the positioning process of the inner sleeve can be reduced, the length of the connecting part of the two shaft sections of the hydraulic coupling after the hydraulic coupling is pressed and rotated can be ensured to be as long as possible, and the torque transmission is more balanced.
2. By marking out a plurality of positioning lines on the two shaft sections and projecting each positioning line on the adjacent side bulkhead to obtain a first inspection line corresponding to each positioning line, and marking out a second inspection line on the second shaft, the positions of the two shaft sections and the inner sleeve can be monitored to be offset in the whole installation process of the hydraulic coupler, and the installation reliability is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of an inner sleeve moving into place during press fitting of an outer sleeve and an inner sleeve of a hydraulic coupling of the present application.
Fig. 2 is a schematic illustration of the press fitting process of the outer and inner sleeves of the hydraulic coupling of the present application.
Fig. 3 is a schematic view of the hydraulic coupling of the present application after press fitting of the outer and inner sleeves.
The meaning of the reference numerals in the figures is:
1. an inner sleeve; 2. a jacket; 3. a piston; 4. an axial oil inlet hole; 5. radial oil inlet holes; 6. a first shaft; 7. a second shaft; 8. and (9) a positioning wire and a second checking wire are sleeved in the inner sleeve.
Detailed Description
For a better understanding of the technical solution of the present application, the following detailed description of the embodiments of the present application refers to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.
The application provides a method for installing a hydraulic coupling of a ship shafting, which specifically comprises the following steps:
s1, the hydraulic coupling is sleeved on the first shaft 6, and the shaft end part of the first shaft 6 extends out of the hydraulic coupling.
Before the hydraulic coupler is sleeved on the first shaft 6, the shaft section is cleaned, rust spots are removed, clean lubricating oil is coated after the shaft section is wiped dry, and the viscosity of the lubricating oil is less than 20cst; removing accessories of the hydraulic coupler, such as a protective layer, a compression ring sleeve and the like, and cleaning the surfaces of the inner sleeve 1 and the outer sleeve 2 of the coupler.
After the preparation is completed, the hydraulic coupling is sleeved on the first shaft 6 from the small end face end of the inner sleeve 1 of the hydraulic coupling, and the shaft end of the first shaft 6 extends out of the hydraulic coupling. The sheathing should be performed slowly, once the resistance is suddenly increased, the checking and the adjustment of the stress of the binding belt should be stopped immediately, the sheathing can be continued after the reasons are eliminated, and the force can not be pulled forcefully, so as to prevent the external surface of the shaft and the internal surface of the inner sleeve from being pulled.
The first shaft is sleeved with non-splittable mating accessories such as a protective cover, a rubber protective sleeve and the like.
S2, drawing the second shaft 7 to be centered with the first shaft 6, respectively marking a plurality of positioning lines on the first shaft 6 and the second shaft 7, and projecting each positioning line on the adjacent side bulkhead to obtain a first inspection line (not shown in the figure) corresponding to each positioning line.
The positioning lines are arranged on the two shaft sections, and the first checking line of orthographic projection of the positioning lines is drawn on the adjacent side bulkhead, so that the positioning lines can be used for monitoring whether the positions of the two shaft sections are offset in the axial direction in the installation process of the inner sleeve 1 and the outer sleeve 2 of the hydraulic coupling.
S3, determiningOuter sleeve mounting displacement S of fixed hydraulic coupler max According to the displacement S of the jacket installation max Inner sleeve positioning line l of the hydraulic coupler is marked on the second shaft 7 according to the inner sleeve and outer sleeve dimensions of the hydraulic coupler 1 And a second inspection line 9 is drawn on one side of the inner sleeve positioning line 8 far away from the large end surface of the inner sleeve.
Specifically, first, the inner diameter of the inner sleeve 1 and the outer diameter of the first shaft 6 of the hydraulic coupling are measured;
calculating an actual installation clearance of the inner sleeve according to the inner diameter of the inner sleeve 1 and the outer diameter of the first shaft 6 of the hydraulic coupler, wherein the actual installation clearance of the inner sleeve is equal to the difference between the inner diameter of the inner sleeve 1 and the outer diameter of the first shaft 6;
according to the installation displacement provided by the hydraulic coupling manufacturer and the installation clearance comparison table, the installation displacement corresponding to the actual installation clearance of the inner sleeve is obtained by looking up a table, and the installation displacement is the outer sleeve installation displacement S max ；
According to the mounting displacement S of the jacket max The inner sleeve and the outer sleeve of the hydraulic coupler are sized to calculate the distance L between the inner sleeve positioning line and the two-axis centering line of the hydraulic coupler;
distance l=l between inner sleeve positioning line and two shaft centering line of hydraulic coupling 1 +(S 0 -S max ) Wherein L is 1 Is half the contact length between the inner sleeve 1 and the outer sleeve 2 of the hydraulic coupling, and the value is provided by the manufacturer of the hydraulic coupling; s is S 0 The theoretical initial distance between the large end face of the inner sleeve 1 and the corresponding side end face of the outer sleeve 2 is zero line, namely the theoretical initial distance between the large end face of the inner sleeve 1 and the corresponding side end face of the outer sleeve 2 when the hydraulic coupling leaves a factory, and the theoretical initial distance is provided by a manufacturer of the hydraulic coupling; s is S max Mounting displacement for the outer sleeve;
then, according to the distance L between the inner sleeve positioning line and the two-axis centering line, the inner sleeve positioning line L of the hydraulic coupler is marked on the second shaft 7 by taking the two-axis centering line as a starting point 1 And a second inspection line 9 is drawn on the side of the inner sleeve positioning line far away from the large end face of the inner sleeve 1. In this embodiment, the distance between the second inspection wire 9 and the inner sleeve positioning wire 8 is 50mm.
S4, slowly moving the hydraulic coupler until the large end face of the inner sleeve 1 of the hydraulic coupler is reachedInner sleeve positioning line l 1 The two are overlapped, and the precision error is not more than +/-0.5 mm, as shown in figure 1.
The large end face of the inner sleeve 1 of the hydraulic coupler is particularly careful when passing through the joint of the two shaft sections, once the resistance is suddenly increased, the checking and the adjustment of the stress of the binding belt should be stopped immediately, and the movement can be continued after the reasons are eliminated, so that the inner sleeve can not be pulled forcedly, and the pull injury of the outer surface of the shaft and the inner surface of the inner sleeve can be prevented.
After the hydraulic coupler moves in place, whether the two shafts are displaced or not is judged according to the marked positioning lines on the previous two shaft sections and the corresponding first checking lines, namely, whether the positioning lines on the first shaft 6 and the second shaft 7 can be aligned with the corresponding first checking lines is judged, if the positioning lines can be aligned, the two shaft sections are not displaced in the axial direction, if the displacement occurs, the hydraulic coupler is retracted, and the subsequent steps are continued after the faults are checked.
After the hydraulic coupler moves in place, whether the position accuracy of the hydraulic coupler meets the requirement is judged according to the distance between the large end face of the inner sleeve 1 and the second test line 9 in the current position.
S5, connecting the oil inlet hole of the hydraulic coupler with the oil pump.
The oil inlet holes of the hydraulic coupler comprise radial oil inlet holes 5 and axial oil inlet holes 4, 2-3 radial oil inlet holes 5 are arranged, and each hole needs to be connected with an oil pump; only one oil receiving pump is needed for the axial oil inlet hole 4.
Before the oil inlet of the hydraulic coupler is connected with the oil pump, the screw plug in the oil inlet is screwed off, then the pipe joint of the oil pump is connected, and all the screw plugs are screwed.
S6, according to the outer sleeve mounting displacement S of the hydraulic coupler max The outer sleeve 2 of the hydraulic coupling is slowly moved until it is moved into place.
Specifically, first, the actual initial distance between the large end face of the inner sleeve 1 and the corresponding side end face of the outer sleeve 2 of the hydraulic coupling is measured, and the distance is judged to be the theoretical initial distance S 0 If the oil is equal, pumping oil to the axial oil inlet hole 4 to enable the outer sleeve 2 to slowly move under the action of oil pressure until the distance between the large end surface of the inner sleeve 1 and the corresponding side end surface of the outer sleeve 2 is equal to the theoretical initial distanceS 0 Until now, as shown in fig. 2;
then pumping oil to the radial oil inlet hole 5, pumping oil to the axial oil inlet hole 4 and the radial oil inlet hole 5 simultaneously when oil seeps out from the periphery of the contact surface of the inner sleeve and the outer sleeve at the non-piston end of the hydraulic coupling, and continuously moving the outer sleeve 2 slowly when the outer sleeve 2 moves by the mounting displacement S max The pumping of oil is stopped as shown in fig. 3.
Simultaneously pumping oil into the axial oil inlet holes 4 and the radial oil inlet holes 5 to enable the jacket 2 to move by the jacket installation displacement S max There are various methods of (a) and (b).
As an embodiment, when oil is pumped into the axial oil inlet hole 4 and the radial oil inlet hole 5 at the same time to enable the outer sleeve 2 to continuously move slowly, whether the outer sleeve moves in place or not is judged by measuring the distance A between the end face of the outer sleeve 2 and the large end face of the inner sleeve 1, and when the distance A=S between the end face of the outer sleeve 2 and the large end face of the inner sleeve 1 0 -S max In this case, the case 2 is moved by the case mounting displacement amount S max Move into place. The allowable error range of the A value is +/-0.3 mm. When the outer sleeve 2 moves in place, oil pumping into the radial oil inlet holes 5 and the axial oil inlet holes 4 is stopped, a dial indicator is arranged on the shaft or the adjacent side cabin wall of the hydraulic coupler, and a pointer of the dial indicator is aligned to the end face of the outer sleeve 2; then the radial oil pressure is removed, the axial oil pressure is removed after the pressure is maintained for 20 minutes, so as to prevent the outer sleeve 2 from backing, and in the process, the reading change of the dial indicator is observed at the same time, so as to judge whether the position of the outer sleeve 2 is changed or not.
As another embodiment, the dial indicator is mounted on the wall of the hydraulic coupling or the adjacent side cabin, and the pointer of the dial indicator is aligned to the end face of the outer sleeve 2, namely, the bracket of the dial indicator is mounted on the hydraulic coupling or the adjacent side cabin wall, and the pointer of the dial indicator is propped against the end face of the outer sleeve 2. Meanwhile, when oil is pumped into the axial oil inlet hole 4 and the radial oil inlet hole 5 to enable the outer sleeve 2 to continuously and slowly move, whether the outer sleeve 2 moves in place is judged by observing the readings of the dial indicators, and when the readings of the dial indicators are equal to the mounting displacement S of the outer sleeve max When this is the case, the cover 2 is illustrated as moving into place. When the outer sleeve 2 moves in place, the oil pumping to the radial oil inlet holes 5 and the axial oil inlet holes 4 is stopped at the same time, and then the radial oil is firstly dischargedAfter the pressure is maintained for 20 minutes, the axial oil pressure is removed to prevent the jacket from backing, and in the process, the reading change of the dial indicator is observed at the same time to judge whether the position of the jacket is changed.
S7, installing the hydraulic coupling accessory.
Specifically, the oil pump is dismantled, and a sealing screw is arranged on an oil inlet hole of the hydraulic coupler; and then, coating silica gel on the contact part between the outer sleeve of the hydraulic coupler and the piston, installing a protective cover, and sleeving a rubber protective sleeve.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the application.
Claims (8)
1. The installation method of the hydraulic coupling of the ship shafting is characterized by comprising the following steps of:
s1, a hydraulic coupler is sleeved on a first shaft, and the shaft end part of the first shaft extends out of the hydraulic coupler;
s2, drawing the second shaft and centering the first shaft, respectively marking out a plurality of positioning lines on the first shaft and the second shaft, and projecting each positioning line on the adjacent side bulkhead to obtain a first inspection line corresponding to each positioning line;
s3, determining the outer sleeve installation displacement S of the hydraulic coupler max According to the displacement S of the jacket installation max The inner sleeve positioning line l of the hydraulic coupler is marked on the second shaft according to the inner sleeve and outer sleeve dimensions of the hydraulic coupler 1 A second inspection line is drawn on one side of the inner sleeve positioning line, which is far away from the large end surface of the inner sleeve;
s4, slowly moving the hydraulic coupler until the large end face of the inner sleeve of the hydraulic coupler reaches the inner sleeve positioning line l 1 Overlapping;
s5, connecting an oil inlet hole of the hydraulic coupler with an oil pump;
s6, according to the outer sleeve mounting displacement S of the hydraulic coupler max Slowly moving the outer sleeve of the hydraulic coupler until the outer sleeve moves into place;
s7, installing the hydraulic coupling accessory.
2. The method for installing a hydraulic coupling for a marine shafting according to claim 1, wherein the sleeve installation displacement amount S of the hydraulic coupling is determined in S3 max The specific steps of (a) are as follows:
measuring the inner diameter of an inner sleeve of the hydraulic coupler and the outer diameter of the first shaft;
calculating an actual installation clearance of the inner sleeve according to the inner diameter of the inner sleeve and the outer diameter of the first shaft of the hydraulic coupling, wherein the actual installation clearance of the inner sleeve is equal to the difference between the inner diameter of the inner sleeve and the outer diameter of the first shaft;
according to the installation displacement provided by the hydraulic coupling manufacturer and the installation clearance comparison table, the installation displacement corresponding to the actual installation clearance of the inner sleeve is obtained by looking up a table, and the installation displacement is the outer sleeve installation displacement S max 。
3. The method for installing a hydraulic coupling for a marine shafting, according to claim 2, wherein the inner sleeve positioning line l of the hydraulic coupling is drawn on the second shaft in S3 1 The specific steps of (a) are as follows:
according to the mounting displacement S of the jacket max The inner sleeve and the outer sleeve of the hydraulic coupler are sized to calculate the distance L between the inner sleeve positioning line and the two-axis centering line of the hydraulic coupler;
according to the distance L between the inner sleeve positioning line and the two-axis centering line, the inner sleeve positioning line L of the hydraulic coupler is marked on the second shaft by taking the two-axis centering line as a starting point 1 。
4. A method of installing a marine shafting hydraulic coupling according to claim 3, wherein the distance L = L between the inner sleeve locating line and the two-axis centering line of the hydraulic coupling 1 +(S 0 -S max ) Wherein L is 1 The contact length between the inner sleeve and the outer sleeve of the hydraulic coupler is half; s is S 0 The zero line is the theoretical initial distance between the large end surface of the inner sleeve and the corresponding side end surface of the outer sleeve when the hydraulic coupler leaves a factory; s is S max And mounting displacement for the outer sleeve.
5. The method for installing a hydraulic coupling for a marine shafting according to claim 1, wherein the oil inlet holes of the hydraulic coupling include radial oil inlet holes and axial oil inlet holes,
s6, according to the outer sleeve mounting displacement S of the hydraulic coupler max The specific steps of the jacket of the slow-moving hydraulic coupler are as follows:
measuring the actual initial distance between the large end face of the inner sleeve and the corresponding side end face of the outer sleeve of the hydraulic coupler, and judging the distance and the theoretical initial distance S 0 If the oil is equal, pumping oil to the axial oil inlet hole to enable the outer sleeve to slowly move under the action of oil pressure until the distance between the large end surface of the inner sleeve and the corresponding side end surface of the outer sleeve is equal to the theoretical initial distance S 0 Until that is reached;
then pumping oil to the radial oil inlet holes, pumping oil to the axial oil inlet holes and the radial oil inlet holes simultaneously to ensure that the outer sleeve continuously and slowly moves when oil seeps out from the periphery of the contact surface of the inner sleeve and the outer sleeve at the non-piston end of the hydraulic coupling, and mounting displacement S when the outer sleeve moves max The pumping of oil is stopped.
6. The method for installing a hydraulic coupling for a marine shafting according to claim 5, wherein when oil is pumped into the axial oil inlet and the radial oil inlet simultaneously to continue the slow movement of the outer sleeve, whether the outer sleeve moves in place is judged by measuring a distance a between the end face of the outer sleeve and the large end face of the inner sleeve, and when the distance a=s between the end face of the outer sleeve and the large end face of the inner sleeve 0 -S max When the jacket is moved into place, the pumping of oil is stopped.
7. The method for installing a hydraulic coupling for a marine shafting according to claim 5, wherein a dial indicator is installed on the hydraulic coupling or the adjacent side wall, and the pointer of the dial indicator is aligned to the end face of the outer sleeve,
when oil is pumped into the axial oil inlet hole and the radial oil inlet hole simultaneously to enable the outer sleeve to continuously and slowly move, whether the outer sleeve moves or not is judged by observing the reading of the dividing tableThe position is the reading size of the dial indicator is equal to the mounting displacement S of the jacket max When the jacket is moved into place, the pumping of oil is stopped.
8. The method for installing a hydraulic coupling according to claim 1, wherein the specific steps of installing the hydraulic coupling accessories in step S7 are:
dismantling an oil pump, and installing a sealing screw on an oil inlet hole of the hydraulic coupler;
and (3) coating silica gel on the contact part between the outer sleeve and the piston of the hydraulic coupler, installing a protective cover, and sleeving a rubber protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146639.6A CN117184357A (en) | 2023-09-06 | 2023-09-06 | Installation method of hydraulic coupling of ship shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146639.6A CN117184357A (en) | 2023-09-06 | 2023-09-06 | Installation method of hydraulic coupling of ship shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117184357A true CN117184357A (en) | 2023-12-08 |
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ID=88988109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311146639.6A Pending CN117184357A (en) | 2023-09-06 | 2023-09-06 | Installation method of hydraulic coupling of ship shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117184357A (en) |
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2023
- 2023-09-06 CN CN202311146639.6A patent/CN117184357A/en active Pending
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