CN112875500A - Ship stern shaft hoisting device - Google Patents
Ship stern shaft hoisting device Download PDFInfo
- Publication number
- CN112875500A CN112875500A CN202110124080.1A CN202110124080A CN112875500A CN 112875500 A CN112875500 A CN 112875500A CN 202110124080 A CN202110124080 A CN 202110124080A CN 112875500 A CN112875500 A CN 112875500A
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- Prior art keywords
- shaft
- stern shaft
- supporting plate
- stern
- plate
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- 238000013459 approach Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a ship stern shaft hoisting device, and belongs to the technical field of ship stern shaft assembly tools; the invention comprises a top plate fixedly connected with a lifting lug; a supporting plate arranged below the top plate and used for supporting the stern shaft; a draw bar bolt connected between the support plate and the top plate; the pull rod bolt enables the supporting plate and the top plate to be fixedly connected through a first fastener to clamp the stern shaft; and a plurality of jacking devices contacted with the shaft shoulder of the screw shaft; the jacking device is connected to the upper part of the supporting plate in a rotating mode through a shaft, so that the jacking device can rotate towards the central axis of the screw shaft, and the supporting plate can support the screw shaft with any diameter.
Description
Technical Field
The invention relates to the technical field of ship stern shaft assembly tools, in particular to a ship stern shaft hoisting device.
Background
At present, most of connection modes of a stern shaft and a propeller on a ship are keyless hydraulic connection, and the principle of the connection mode is that a cone part of the stern shaft, which is in contact with the propeller, is processed to a certain size according to design requirements, a certain matching allowance is reserved in an inner cone hole of the propeller, color oil is coated on the cone part of the stern shaft, the cone part of the stern shaft is matched with the inner cone hole of the propeller for color check, the inner cone hole of the propeller is matched by a specially-made fine grinding wheel according to the distribution condition of contact points, the cone part of the stern shaft and the inner cone hole of the propeller are repeatedly attached, checked and matched until the cone part of the stern shaft and the inner cone hole of the propeller meet the requirement of contact area, and then the propeller is pressed onto the cone part of the stern shaft by the action of a piston of a hydraulic nut installed at the;
vertical matching is one of the modes of matching the stern shaft and the propeller, namely vertically hoisting the stern shaft, fixing the propeller on a platform and adjusting the propeller to be horizontal, and freely matching the rear end of the stern shaft downwards with an inner taper hole of the propeller.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a ship stern shaft hoisting device which can stably hoist a stern shaft, is simple to operate, has high universality and is beneficial to reducing the construction difficulty and the danger coefficient.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a ship stern shaft hoisting device, which comprises:
the top plate is fixedly connected with a lifting lug;
a supporting plate arranged below the top plate and used for supporting the stern shaft;
a draw bar bolt connected between the support plate and the top plate;
the pull rod bolt enables the supporting plate and the top plate to be fixedly connected through a first fastener to clamp the stern shaft; and
a plurality of jacking devices contacted with the shaft shoulder of the screw shaft;
the jacking device is connected to the upper part of the supporting plate in a rotating mode through a shaft, so that the jacking device can rotate towards the central axis of the screw shaft, and the supporting plate can support the screw shaft with any diameter.
Furthermore, a pressing plate in a circular ring structure is arranged on the upper portion of the supporting plate, and the pull rod bolt tightly presses the pressing plate through a second fastening piece.
Furthermore, a plurality of openings with U structures are formed in the circumferential direction on the surface of the pressing plate and used for avoiding the pull rod bolt;
the inner wall of the pressure plate is circumferentially provided with a lock rod capable of stretching towards the central axis of the screw shaft;
the lock rod is in threaded connection with the pressing plate, one end of the lock rod is fixedly connected with a handle, and the other end of the lock rod is rotatably connected with a cushion block which is in contact with the outer wall of the stern shaft.
Furthermore, the supporting plate is provided with a channel through which a stern shaft can pass, and the upper surface of the supporting plate is rotatably connected with the jacking device through the shaft;
the supporting plate is located in the channel, and a plurality of through holes through which the pull rod bolts can penetrate are circumferentially distributed on the supporting plate.
Furthermore, the upper part of the supporting plate is rotatably connected with the jacking device through a horizontal shaft, and the jacking device approaches to the central axis of the stern shaft in a turnover mode.
Furthermore, the jacking device comprises a first rod body which is rotationally connected with the horizontal shaft and a second rod body which is hinged on the first rod body;
the end surface of the second rod body, which is far away from the end of the first rod body, is in contact with the shaft shoulder surface of the stern shaft.
Furthermore, the upper part of the supporting plate is connected with the jacking device in a rotating mode through a vertical shaft, and the jacking device is close to the central axis of the screw shaft in a horizontally rotating mode.
Furthermore, the jacking device is of a rod-shaped structure, the cross section of the jacking device is of a quadrilateral structure, and an included angle between two adjacent edges is 90 degrees.
Furthermore, the center of the top plate is in threaded connection with a positioning bolt, and the positioning bolt is matched with the center hole of the stern shaft.
Furthermore, the upper surface of the top plate is positioned on two sides of the positioning bolt and fixedly connected with lifting lugs, the lower surface of the top plate is provided with a groove, and the bottom wall of the groove is in contact with the top surface of the stern shaft.
In the technical scheme, the ship stern shaft hoisting device provided by the invention has the beneficial effects that:
1. the ship stern shaft hoisting device comprises the top plate and the supporting plate, the top plate and the supporting plate are matched for use, the top plate and the supporting plate are integrated through the pull rod bolt to clamp the stern shaft, the connection is reliable, the safety coefficient is high, in addition, the supporting plate is rotatably connected with the jacking device, the outer diameter of the stern shaft is close to the outer diameter of the stern shaft in a displacement mode towards the central axis of the stern shaft through the jacking device, the use with the stern shaft with any diameter is facilitated, the universality is higher, and the resources are saved;
2. in order to facilitate assembly, a pressing plate is further arranged above the supporting plate and used in a matched mode with the supporting plate, the pressing plate is pressed tightly by a pull rod bolt through a second fastening piece and is in contact with the upper surface of a shaft shoulder of the stern shaft, a jacking device of the supporting plate is in contact with the lower surface of the shaft shoulder of the stern shaft, and then the pressing plate and the supporting plate clamp a middle shaft section of the stern shaft relatively, so that the jacking device on the supporting plate jacks the shaft shoulder of the stern shaft in advance, and the stability of the ship stern shaft hoisting device can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a front view of a ship stern shaft hoisting device disclosed by the invention;
FIG. 2 is a top view of a ship stern shaft hoisting device disclosed by the invention;
FIG. 3 is a sectional view A-A of the ship stern shaft hoisting device disclosed by the invention;
FIG. 4 is a B-B cross section of the ship stern shaft hoisting device disclosed by the invention;
fig. 5 is a cross-sectional view B-B of another embodiment of the jacking device for the stern shaft of the ship disclosed by the invention.
Description of reference numerals:
10. a top plate; 11. lifting lugs; 12. positioning the bolt; 13. a groove;
20. a support plate; 31. a horizontal axis; 22. a vertical axis; 23. a channel;
30. a draw bar bolt; 31. a first fastener; 32. a second fastener;
40. a jacking device; 41. a first rod body; 42. a second rod body;
50. pressing a plate; 51. a lock lever; 52. a handle; 53. cushion blocks; 54. opening the gap;
100. a stern shaft; 101. and a shaft shoulder.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1;
the invention relates to a ship stern shaft hoisting device, which comprises:
a top plate 10 fixedly connected with a lifting lug 11;
a supporting plate 20 arranged below the top plate 10 for supporting the stern shaft 100;
a stay bolt 30 connected between the support plate 20 and the top plate 10;
the tie bolt 30 clamps the stern shaft 100 by fixedly connecting the supporting plate 20 and the top plate 10 through the first fastener 31; and a plurality of tightening devices 40 in contact with the shoulder 101 of the stern shaft 100;
the jacking device 40 is rotatably connected to the upper part of the support plate 20 through a shaft, so that the jacking device 40 rotates towards the central axis position of the stern shaft 100, and the support plate 20 supports the stern shaft 100 with any diameter.
Specifically, referring to fig. 1, in the structure, a stern shaft 100 is a stern shaft which is provided with a head end shaft section, a middle shaft section, a tail end shaft section and a conical shaft section in sequence from top to bottom in the prior art, wherein the diameter of the middle shaft section is larger than that of the tail end shaft section of the head end shaft section, and shaft shoulders 101 are formed at two ends of the middle shaft section;
four pull rod bolts 30 are connected between the supporting plate 20 and the top plate 10, preferably, a positioning bolt 12 is in threaded connection with the center of the top plate 10, the positioning bolt 12 is matched with the center hole of the stern shaft 100, lifting lugs 11 are fixedly connected to the two sides of the positioning bolt 12 on the upper surface of the top plate 10, a groove 13 is formed in the lower surface of the top plate 10, and the bottom wall of the groove 13 is in contact with the top surface of the stern shaft 100.
When the stern shaft 100 is hoisted, the supporting plate 20 is sleeved outside the stern shaft 100 from the head end shaft section or the conical shaft section end of the stern shaft 100, when the supporting plate 20 is positioned below the middle shaft section, the supporting plate is contacted with the shaft shoulder 101 of the middle shaft section through the jacking device 40, the top plate 10 is contacted with the end surface of the head end shaft section of the stern shaft 100, the first fastening pieces 31 at two ends of the draw bolt 30 are screwed, and the stern shaft 100 is clamped by the top plate 10 and the supporting plate 20, so that the hoisting device and the stern shaft 100 are connected into a whole, a steel wire rope is conveniently and fixedly connected with the lifting lug 11 of the top plate 10, and the hoisting of the stern;
the top plate 10 and the supporting plate 20 are matched for use, the top plate 10 and the supporting plate 20 are integrated through the pull rod bolt 30 to clamp the stern shaft 100, the connection is reliable, the safety coefficient is high, in addition, the supporting plate 20 is rotatably connected with the jacking device 40, the outer diameter of the stern shaft 100 is close to the displacement of the jacking device 40 towards the central axis of the stern shaft 100, the use with the stern shaft 100 with any diameter is convenient, the universality is higher, and the resources are saved;
referring to fig. 1, preferably, a pressing plate 50 having a circular ring structure is disposed on the upper portion of the support plate 20, and the tie bolts 30 press the pressing plate 50 through the second fastening members 32.
Specifically, for convenience in assembly, a pressing plate 50 is sleeved on the stern shaft 100 above the supporting plate 20, the pressing plate 50 is matched with the supporting plate 20 for use, the pull rod bolt 30 presses the pressing plate 50 through the second fastener 32, the pressing plate 50 is in contact with the upper surface of the middle shaft section, the jacking device 40 of the supporting plate 20 is in contact with the lower surface of the middle shaft section, and then the pressing plate 50 and the supporting plate 20 clamp the middle shaft section of the stern shaft 100 relatively, so that the jacking device 40 on the supporting plate 20 jacks a shaft shoulder 101 of the stern shaft 100 in advance, and stability is guaranteed;
referring to fig. 3, preferably, a plurality of U-shaped notches 54 avoiding the tie rod bolts 30 are circumferentially formed in the surface of the pressing plate 50, so that the assembly is convenient, moreover, locking rods 51 capable of extending toward the central axis of the stern shaft 100 are circumferentially arranged on the inner wall of the pressing plate 50, the locking rods 51 are in threaded connection with the pressing plate 50, one end of each locking rod 51 is fixedly connected with a handle 52, the other end of each locking rod 51 is rotatably connected with a cushion block 53 in contact with the outer wall of the stern shaft 100, the handle 52 is rotated, and the cushion blocks 53 are pushed by the locking rods 51 to;
after the pressing plate 50 and the supporting plate 20 enable the jacking device 40 to jack the shaft shoulder 101 of the stern shaft 100 in advance, preferably, a positioning bolt 12 is in threaded connection with the center of the top plate 10, the positioning bolt 12 is matched with the center hole of the stern shaft 100, the position of the supporting plate 20 is convenient to align, lifting lugs 11 are fixedly connected to two sides, located on the positioning bolt 12, of the upper surface of the top plate 10, through holes are formed in the lifting lugs 11 and used for penetrating and installing steel wire ropes, grooves 13 are formed in the lower surface of the top plate 10, and the bottom walls of the grooves 13 are in contact with the top surface.
Referring to fig. 1, preferably, the support plate 20 is provided with a channel 23 through which a stern shaft 100 can pass, and the upper surface of the support plate 20 is rotatably connected with a jacking device 40 through a shaft;
through holes through which a plurality of stay bolts 30 can penetrate are distributed on the periphery of the channel 23 of the supporting plate 20.
Specifically, the diameter of the channel 23 is larger than the maximum excircle diameter of the stern shaft 100, so that the stern shaft 100 is conveniently sleeved with the channel from the top end or the bottom end of the stern shaft 100;
referring to fig. 4, preferably, the top of the pallet 20 is rotatably connected with a jacking device 40 through a horizontal shaft 31, and the jacking device 40 approaches the central axis of the stern shaft 100 in a turning manner.
Specifically, the support plate 20 is symmetrically provided with the jacking devices 40 on two sides, preferably, the jacking devices 40 are in a connecting rod structure and comprise a first rod body 41 and a second rod body 42 hinged on the first rod body 41, the end, far away from the second rod body 42, of the first rod body 41 is rotatably connected with the support plate 20 through a horizontal shaft 31, the end surface, far away from the end of the first rod body 41, of the second rod body 42 is in surface contact with a shaft shoulder 101 of the stern shaft 100, and the second rod body 42 is hinged on the first rod body 41, so that the side wall of the second rod body 42 is attached to the side wall of the stern shaft 100, and the stable contact between the top end of the second rod body 42 and the shaft shoulder 101 of the;
referring to fig. 5, in another preferred embodiment, the upper part of the supporting plate 20 is rotatably connected with a jacking device 40 through a vertical shaft 22, and the jacking device 40 horizontally rotates to approach the central axis of the stern shaft 100. Specifically, two sides of the supporting plate 20 are rotatably connected with a jacking device 40 through a vertical shaft 22, so that the structure is simple and the processing and manufacturing are convenient; preferably, the tightening device 40 is a rod-shaped structure, the cross section of which is a quadrilateral structure, and the included angle between two adjacent edges is 90 °. The two jacking devices 40 are parallel to the side wall of the stern shaft 100 when in contact with the side wall of the stern shaft 100, so as to symmetrically support the stern shaft 100 and ensure the stern shaft 100 to be stressed evenly;
when the device is used, the jacking device 40 is pushed towards the central axis direction of the screw shaft 100, the side surface of the jacking device 40 is contacted with the side wall of the screw shaft 100, and the upper surface of the jacking device 40 is contacted with the shaft shoulder 101 surface of the screw shaft 100;
in the technical scheme, the ship stern shaft hoisting device provided by the invention has the beneficial effects that:
1. the ship stern shaft hoisting device comprises the top plate and the supporting plate, the top plate and the supporting plate are matched for use, the top plate and the supporting plate are integrated through the pull rod bolt to clamp the stern shaft, the connection is reliable, the safety coefficient is high, in addition, the supporting plate is rotatably connected with the jacking device, the outer diameter of the stern shaft is close to the outer diameter of the stern shaft in a displacement mode towards the central axis of the stern shaft through the jacking device, the use with the stern shaft with any diameter is facilitated, the universality is higher, and the resources are saved;
2. in order to facilitate assembly, a pressing plate is further arranged above the supporting plate and used in a matched mode with the supporting plate, the pressing plate is pressed tightly by a pull rod bolt through a second fastening piece and is in contact with the upper surface of a shaft shoulder of the stern shaft, a jacking device of the supporting plate is in contact with the lower surface of the shaft shoulder of the stern shaft, and then the pressing plate and the supporting plate clamp a middle shaft section of the stern shaft relatively, so that the jacking device on the supporting plate jacks the shaft shoulder of the stern shaft in advance, and the stability of the ship stern shaft hoisting device can be further improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a boats and ships stern axle hoist device which characterized in that includes:
a top plate (10) fixedly connected with a lifting lug (11);
a supporting plate (20) arranged below the top plate (10) and used for supporting the stern shaft (100);
a tie bolt (30) connected between the pallet (20) and the top plate (10);
the pull rod bolt (30) enables the supporting plate (20) and the top plate (10) to fixedly connect and clamp the stern shaft (100) through a first fastener (31); and
a plurality of tightening devices (40) which are contacted with a shaft shoulder (101) of the stern shaft (100);
the jacking device (40) is connected to the upper part of the supporting plate (20) in a rotating mode through a shaft, so that the jacking device (40) can rotate towards the central axis position of the screw shaft (100) to enable the supporting plate (20) to support the screw shaft (100) with any diameter.
2. The ship stern shaft hoisting device of claim 1, wherein;
the upper portion of the supporting plate (20) is provided with a pressing plate (50) in a circular ring structure, and the pull rod bolt (30) presses the pressing plate (50) through a second fastener (32).
3. The ship stern shaft hoisting device of claim 2, wherein;
a plurality of U-structure notches (54) are formed in the surface of the pressing plate (50) in the circumferential direction and used for avoiding the draw bar bolt (30);
the inner wall of the pressure plate (50) is circumferentially provided with a lock rod (51) which can extend towards the central axis of the stern shaft (100);
the lock rod (51) is in threaded connection with the pressing plate (50), one end of the lock rod (51) is fixedly connected with a handle (52), and the other end of the lock rod is rotatably connected with a cushion block (53) in contact with the outer wall of the stern shaft (100).
4. The ship stern shaft hoisting device of claim 3, wherein;
the supporting plate (20) is provided with a channel (23) through which a screw shaft (100) can pass, and the upper surface of the supporting plate (20) is rotatably connected with the jacking device (40) through the shaft;
the supporting plate (20) is located on the channel (23) and is circumferentially provided with a plurality of through holes through which the pull rod bolts (30) can penetrate.
5. The ship stern shaft hoisting device of claim 4, wherein;
the upper part of the supporting plate (20) is rotatably connected with the jacking device (40) through a horizontal shaft (31), and the jacking device (40) approaches to the central axis of the stern shaft (100) in a turning mode.
6. The ship stern shaft hoisting device of claim 5, wherein;
the jacking device (40) comprises a first rod body (41) rotatably connected with the horizontal shaft (31) and a second rod body (42) hinged on the first rod body (41);
the end surface of the second rod body (42) far away from the end of the first rod body (41) is in surface contact with a shaft shoulder (101) of the stern shaft (100).
7. The ship stern shaft hoisting device of claim 4, wherein;
the upper part of the supporting plate (20) is rotatably connected with the jacking device (40) through a vertical shaft (22), and the jacking device (40) approaches to the central axis of the stern shaft (100) in a horizontal rotating mode.
8. The ship stern shaft hoisting device of claim 7, wherein;
the jacking device (40) is of a rod-shaped structure, the cross section of the jacking device is of a quadrilateral structure, and the included angle between two adjacent edges is 90 degrees.
9. The ship stern shaft hoisting device of claim 1, wherein;
the center of the top plate (10) is in threaded connection with a positioning bolt (12), and the positioning bolt (12) is matched with a center hole of the stern shaft (100).
10. The ship stern shaft hoisting device of claim 9, wherein;
the upper surface of the top plate (10) is positioned on two sides of the positioning bolt (12) and fixedly connected with lifting lugs (11), the lower surface of the top plate (10) is provided with a groove (13), and the bottom wall of the groove (13) is in contact with the top surface of the stern shaft (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124080.1A CN112875500A (en) | 2021-01-29 | 2021-01-29 | Ship stern shaft hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124080.1A CN112875500A (en) | 2021-01-29 | 2021-01-29 | Ship stern shaft hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112875500A true CN112875500A (en) | 2021-06-01 |
Family
ID=76053472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110124080.1A Pending CN112875500A (en) | 2021-01-29 | 2021-01-29 | Ship stern shaft hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112875500A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911898A (en) * | 2021-10-11 | 2022-01-11 | 中船澄西船舶修造有限公司 | Novel stern shaft whisking and hoisting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201634315U (en) * | 2010-01-27 | 2010-11-17 | 浙江金港船业股份有限公司 | Vertical grinding lifting tool for stern shaft |
| CN205769986U (en) * | 2016-06-22 | 2016-12-07 | 广州文冲船厂有限责任公司 | A kind of marine shafting centrage aligning regulating device |
| CN207434008U (en) * | 2017-09-30 | 2018-06-01 | 南京宝驰金属设备有限公司 | A kind of steel pipe support for steel tube end part alignment |
| CN209813824U (en) * | 2019-01-23 | 2019-12-20 | 河北宏昌天马专用车有限公司 | Multi-link cargo car roof system |
| CN112110331A (en) * | 2020-09-18 | 2020-12-22 | 国网江苏省电力有限公司宝应县供电分公司 | Voltage regulating switch hoisting maintenance tool |
-
2021
- 2021-01-29 CN CN202110124080.1A patent/CN112875500A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634315U (en) * | 2010-01-27 | 2010-11-17 | 浙江金港船业股份有限公司 | Vertical grinding lifting tool for stern shaft |
| CN205769986U (en) * | 2016-06-22 | 2016-12-07 | 广州文冲船厂有限责任公司 | A kind of marine shafting centrage aligning regulating device |
| CN207434008U (en) * | 2017-09-30 | 2018-06-01 | 南京宝驰金属设备有限公司 | A kind of steel pipe support for steel tube end part alignment |
| CN209813824U (en) * | 2019-01-23 | 2019-12-20 | 河北宏昌天马专用车有限公司 | Multi-link cargo car roof system |
| CN112110331A (en) * | 2020-09-18 | 2020-12-22 | 国网江苏省电力有限公司宝应县供电分公司 | Voltage regulating switch hoisting maintenance tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911898A (en) * | 2021-10-11 | 2022-01-11 | 中船澄西船舶修造有限公司 | Novel stern shaft whisking and hoisting tool |
| CN113911898B (en) * | 2021-10-11 | 2023-12-26 | 中船澄西船舶修造有限公司 | Stern shaft matched hoisting tool |
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Application publication date: 20210601 |