CN113911898B - Stern shaft matched hoisting tool - Google Patents

Stern shaft matched hoisting tool Download PDF

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Publication number
CN113911898B
CN113911898B CN202111180034.XA CN202111180034A CN113911898B CN 113911898 B CN113911898 B CN 113911898B CN 202111180034 A CN202111180034 A CN 202111180034A CN 113911898 B CN113911898 B CN 113911898B
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CN
China
Prior art keywords
sleeve
plate
bottom end
cross beam
shaft body
Prior art date
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Active
Application number
CN202111180034.XA
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Chinese (zh)
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CN113911898A (en
Inventor
王惠达
毛小勇
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Chengxi Shipyard Co Ltd
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Chengxi Shipyard Co Ltd
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Filing date
Publication date
Application filed by Chengxi Shipyard Co Ltd filed Critical Chengxi Shipyard Co Ltd
Priority to CN202111180034.XA priority Critical patent/CN113911898B/en
Publication of CN113911898A publication Critical patent/CN113911898A/en
Application granted granted Critical
Publication of CN113911898B publication Critical patent/CN113911898B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/12Slings comprising chains, wires, ropes, or bands; Nets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/50Applications of limit circuits or of limit-switch arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/06Arrangements or use of warning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00Base supporting structures with legs
    • B66C5/02Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10Undercarriages or bogies, e.g. end carriages, end bogies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/14Trolley or crane travel drives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention relates to a tail shaft fitting hoisting tool, which comprises a cross beam, a moving mechanism and a hoisting mechanism, wherein the cross beam is arranged above the ground through a mounting frame, and the moving mechanism is connected to the top end of the cross beam; the hoisting mechanism comprises a transverse frame arranged at the bottom end of the moving mechanism, two sides of the bottom end of the transverse frame are connected with fixed plates, a notch is formed in each fixed plate, a sleeve is rotatably arranged in each notch through a pin shaft, and a sleeve rod is slidably arranged in each sleeve; when the shaft body is required to be hoisted in the use process, the shaft body is hoisted and stretched through the hoisting rope, meanwhile, the fixing flange drives the folded plate to slide upwards, the folded plate drives the sleeve to rotate through the pulling rope, the sleeve drives the loop bar to rotate to a horizontal state, the loop bar drives the clamping plate to abut against the shaft body, and meanwhile, under the action of the elasticity of the spring and the electric push rod, the clamping plate is used for fastening and clamping the shaft body, and the stability of the shaft body during installation can be guaranteed through the clamping of the clamping plate, so that the shaft body is prevented from shaking.

Description

Stern shaft matched hoisting tool
Technical Field
The invention relates to the field of hoisting equipment, in particular to a tail shaft flick hoisting tool.
Background
At present, the coupling mode of a stern shaft and a propeller on a ship is mostly keyless hydraulic coupling, and the principle is that a cone part which is in contact with the propeller on the stern shaft is processed to a certain size according to design requirements, a certain brushing allowance is reserved in a cone hole in the propeller, oil is coated on the cone part of the stern shaft, the cone part is matched with the inner cone hole of the propeller for coloring inspection, the special fine grinding wheel is utilized for brushing the inner cone hole of the propeller according to the distribution condition of contact points, the lamination inspection and the brushing of the cone part of the stern shaft and the inner cone hole of the propeller are repeatedly carried out until the cone part of the stern shaft and the inner cone hole of the propeller meet the contact area requirements, and then the hydraulic pump is utilized for driving a piston action of a hydraulic nut arranged at the rear end of the cone part of the stern shaft to press the propeller to the cone part of the stern shaft so as to form interference fit;
the vertical brushing is one of the modes of a stern shaft and a propeller, namely, the stern shaft is lifted vertically, the propeller is fixed on a platform and is regulated to be horizontal, the rear end of the stern shaft is free to face downwards and is matched with a conical hole in the propeller, the method is relatively unstable, and the stern shaft is easy to shake in the suspending process, so that the installation is failed;
in summary, the present application provides a stern shaft flick-fitting hoisting tool to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a fixture for matching and hoisting a stern shaft, which solves the problems that a vertical brushing method is unstable, and the stern shaft is easy to shake in a suspending process, so that the installation is failed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the stern shaft matched hoisting tool comprises a cross beam, a moving mechanism and a hoisting mechanism, wherein the cross beam is arranged above the ground through a mounting frame, and the moving mechanism is connected to the top end of the cross beam; the hoisting mechanism comprises a transverse frame arranged at the bottom end of the moving mechanism, two sides of the bottom end of the transverse frame are connected with fixing plates, a notch is formed in each fixing plate, a sleeve is rotatably arranged in each notch through a pin shaft, a sleeve rod is slidably arranged in each sleeve, and one end of each sleeve rod is hinged with a clamping plate; the sleeve is internally provided with a spring, the sleeve is internally provided with an electric push rod, the bottom end of the fixed plate is provided with a second guide wheel, the inner wall of the fixed plate is connected with a guide post, a folded plate is sleeved on the guide post, one end of the folded plate is connected with a pull rope, and one end of the pull rope penetrates through the second guide wheel and then is connected with the sleeve; the motor is installed on the top of crossbearer, the drive shaft of motor is connected with the winding roller, the winding has the lifting rope on the winding roller, the one end of lifting rope is connected with the flange after passing the crossbearer.
Preferably, the moving mechanism comprises a moving plate arranged above the cross beam, the top end of the cross beam is connected with a rack, the cross beam is arranged below the cross beam, the periphery of the bottom end of the moving plate is connected with the cross beam through a connecting rod, a gear is rotatably arranged at the bottom end of the moving plate, the bottom end of the moving plate is connected with a driving machine, belt wheels are coaxially arranged on a driving shaft of the driving machine and the gear, and the two belt wheels are connected through belt transmission.
More preferably, an electromagnet is further mounted at the bottom end of the folded plate, and an iron sheet is mounted at the position of the electromagnet corresponding to the top end of the fixing flange.
More preferably, the inside wall of fixed plate still installs conflict switch, the pilot lamp is installed to the bottom of fixed plate, conflict switch and pilot lamp electric connection.
More preferably, the top of the cross plate is provided with a guide block, the bottom of the cross plate is connected with a guide rod, and the guide rod penetrates through and is in sliding connection with the inside of the guide block.
More preferably, the outer end of the pin shaft is sleeved with a torsion spring, and two ends of the torsion spring are respectively connected with the inner wall of the notch and the sleeve.
More preferably, the inner wall of the clamping plate is provided with anti-skid patterns.
More preferably, the outer side wall of the fixing plate is also provided with a first guide wheel, and the first guide wheel plays a guiding role on the pull rope.
More preferably, the top end of the fixed flange is fixedly provided with a lifting lug, the bottom end of the lifting rope is provided with a hook, and the hook is hung with the lifting lug.
More preferably, one end of the loop bar is hinged with the clamping plate through a hinge seat.
Compared with the prior art, the invention has the beneficial effects that: when the shaft body is required to be hoisted in the use process, the hoisting rope is used for hoisting and stretching the shaft body, the fixed flange drives the folded plate to slide upwards, the folded plate drives the sleeve to rotate by pulling the pull rope, the sleeve drives the sleeve rod to rotate to a horizontal state, the sleeve rod drives the clamping plate to abut against the shaft body, meanwhile, under the elastic force of the spring, the clamping plate is used for fastening and clamping the shaft body, the electric push rod can be started to push the spring, the spring pushes the sleeve rod to slide outwards, the clamping plate is enabled to abut against the shaft body more stably, the stability of the shaft body during installation can be ensured through the clamping of the clamping plate, and the shaft body is prevented from shaking.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic diagram of the front view of the cross beam of the present invention;
FIG. 3 is a schematic diagram of the front view of the cross frame of the present invention;
FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 3 according to the present invention;
FIG. 5 is a schematic top view of a sleeve according to the present invention;
FIG. 6 is a schematic perspective view of a splint according to the present invention;
fig. 7 is a schematic top view of the fixing flange according to the present invention.
In the reference numerals: 1. a cross beam; 2. a guide rod; 3. a rack; 4. a moving plate; 5. a gear; 6. a driving machine; 7. a cross plate; 8. a guide block; 9. a shaft body; 10. a hoisting mechanism; 11. a cross frame; 12. a fixing plate; 13. a motor; 14. a winding roller; 15. a lifting rope; 16. a fixed flange; 17. a contact switch; 18. a guide post; 19. a folded plate; 20. an electromagnet; 21. a first guide wheel; 22. a pull rope; 23. a second guide wheel; 24. an indicator light; 25. a pin shaft; 26. a sleeve; 27. a clamping plate; 28. a loop bar; 29. a torsion spring; 30. a spring; 31. an electric push rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the stern shaft fitting hoisting tool comprises a beam 1, a moving mechanism and a hoisting mechanism 10, wherein the beam 1 is fixedly arranged above the ground through a mounting frame, the moving mechanism is connected to the top end of the beam 1, and the beam 1 is used for supporting the equipment;
referring to fig. 1, 2, 3 and 6, the hoisting mechanism 10 comprises a transverse frame 11 fixedly installed at the bottom end of the moving mechanism, two sides of the bottom end of the transverse frame 11 are fixedly connected with a fixed plate 12, the transverse frame 11 and the fixed plate 12 are of an integrated structure, a notch is formed in the fixed plate 12, a sleeve 26 is rotatably installed in the notch through a pin shaft 25, a sleeve rod 28 is slidably installed in the sleeve 26, one end of the sleeve rod 28 is hinged with a clamping plate 27, a spring 30 is further arranged in the sleeve 26, an electric push rod 31 is further arranged in the sleeve 26, two ends of the spring 26 are fixedly connected with the sleeve rod 28 and a piston rod of the electric push rod 31 respectively, and the electric push rod 31 is fixedly installed on the inner wall of the sleeve 26; the inner wall of splint 27 has seted up anti-skidding line, and splint 27 play the stable effect of centre gripping to shaft body 9, and the bottom fixed mounting of fixed plate 12 has second leading wheel 23, and second leading wheel 23 plays the guide effect to stay cord 22.
Referring to fig. 1, 2 and 7, wherein a guide post 18 is connected to an inner wall of the fixed plate 12, a folded plate 19 is sleeved on the guide post 18, the folded plate 19 is guided by the guide post 18, the folded plate 19 can stably ascend under the guiding action of the guide post 18, one end of the folded plate 19 is fixedly connected with a pull rope 22, and one end of the pull rope 22 passes through a second guide wheel 23 and is fixedly connected with a sleeve 26; a motor 13 is fixedly arranged at the top end of the transverse frame 11, a driving shaft of the motor 13 is fixedly connected with a winding roller 14, a lifting rope 15 is wound on the winding roller 14, and one end of the lifting rope 15 passes through the transverse frame 11 and is fixedly connected with a fixed flange 16; the fixing flange 16 is connected with the shaft body 9 by bolts, and then the shaft body 9 is supported and lifted.
Referring to fig. 5, a torsion spring 29 is sleeved at the outer end of the pin shaft 25, two ends of the torsion spring 29 are fixedly connected with the inner wall of the notch and the sleeve 26 respectively, when the shaft 9 needs to be put down, the winding roller 14 releases the pull rope 22, the pull rope 22 does not stretch the sleeve 26, the sleeve 26 rotates under the torsion of the torsion spring 29, the clamping plate 27 does not clamp the shaft 9, as shown in fig. 2, and then the shaft 9 is put down.
Referring to fig. 1 and 2, the outer side wall of the fixing plate 12 is fixedly provided with a first guiding wheel 21, and the first guiding wheel 21 plays a guiding role on the pull rope 22, so that the pulling of the pull rope 22 by the folded plate 19 is smoother.
Referring to fig. 1 and 7, a lifting lug is fixedly mounted at the top end of a fixing flange 16, a hook is fixedly mounted at the bottom end of a lifting rope 15, the hook is hung with the lifting lug, the lifting lug is hung by the hook, and then the shaft body is lifted.
Referring to fig. 1 and 2, one end of a loop bar 28 is hinged to a clamping plate 27 through a hinge seat fixedly installed on the clamping plate 27, and then a hinge shaft is rotatably installed in the hinge seat, and the loop bar 28 is rotatably connected to the hinge shaft.
Working principle: when the lifting device is used, the fixed flange 16 is fixedly connected with the shaft body 9 through bolts, the hook at the bottom end of the lifting rope 15 is hooked on the fixed flange 16, then the motor 13 drives the winding roller 14 to rotate, the winding roller 14 winds the lifting rope 15, the pull rope 22 lifts the shaft body 9, the fixed flange 16 drives the folded plate 19 to slide upwards in the lifting process of the shaft body 9, the folded plate 19 can stably lift under the guiding action of the guide post 18, the folded plate 19 stretches the pull rope 22 under the guiding action of the guide post 18, the pull rope 22 drives the sleeve 26 to rotate through the pin shaft 25 under the guiding action of the first guide wheel 21 and the second guide wheel 23, the pin shaft 25 overcomes the resistance of the torsion spring 29, the sleeve rod 28 drives the clamping plate 27 to squeeze the shaft body 9, the clamping plate 27 and the sleeve rod 28 slide inwards in the sleeve 26 to compress the spring 30, and the shaft body 9 continuously moves upwards until the sleeve 26 rotates to a horizontal state, and at the moment, the spring 30 pushes the clamping plate 27 to slide under the action of the spring 30, so that the clamping plate 27 tightly clamps the shaft body 9, as shown in the figures 1 and 3; the electric push rod 31 can be started to push the spring 30, so that the spring 30 pushes the sleeve rod 28 to slide outwards under the pushing action of the electric push rod 31 until the sleeve rod 28 drives the clamping plate 27 to tightly press against the shaft body 9, and the clamping plate 27 is more stable against the shaft body 9 through the pressing of the electric push rod 31; meanwhile, the ascending height of the shaft body 9 also reaches the installation height, and the stability of the shaft body 9 during installation can be ensured through the clamping of the clamping plate 27, so that the shaft body 9 is prevented from shaking; when the shaft body 9 needs to be put down, the starting motor 13 is reversed, so that the lifting rope 15 releases the shaft body 9, the fixing flange 16 does not abut against the folding plate 19, the pull rope 22 does not stretch the sleeve 26, the sleeve 26 rotates under the torsion action of the torsion spring 29, the clamping plate 27 does not clamp the shaft body 9, and the shaft body 9 is put down after the shaft body 9 is put down.
Example two
As a preferred scheme of the first embodiment, referring to fig. 1 and 2, the moving mechanism includes a moving plate 4 disposed above a beam 1, a rack 3 is fixedly connected to the top end of the beam 1, a transverse plate 7 is disposed below the beam 1, the periphery of the bottom end of the moving plate 4 is fixedly connected to the transverse plate 7 through a connecting rod, a gear 5 is rotatably mounted at the bottom end of the moving plate 4 through a rotating shaft, a driving machine 6 is fixedly connected to the bottom end of the moving plate 4, a driving shaft of the driving machine 6 and the gear 5 are coaxially and fixedly connected with pulleys, and the two pulleys are connected through a belt transmission; the belt wheel is driven to rotate by the driving machine 6, so that the gear 5 is driven to rotate, and the gear 5 moves on the rack 3, so that the transverse frame 11 and the shaft body 9 can be driven to move.
Referring to fig. 1 and 2, wherein, the top fixedly connected with guide block 8 of diaphragm 7, the bottom fixedly connected with guide bar 2 of crossbeam 1, guide bar 2 runs through and sliding connection in the inside of guide block 8, and guide block 8 slides on guide bar 2, plays the guide effect to crossbearer 11, lets crossbearer 11 gliding comparatively stable.
Working principle: when the shaft body 9 needs to be moved, the driving machine 6 is started to drive the belt pulley to rotate, the belt pulley drives the gear 5 to rotate through the transmission of the belt, the gear 5 slides on the rack 3 to drive the moving plate 4 and the transverse plate 7 to move, the transverse plate 7 drives the transverse frame 11 to move, so that the shaft body 9 can be driven to move, and the driving machine 6 is closed after the proper position is reached.
Example III
As a preferred solution of the first embodiment, referring to fig. 1, 2 and 3, an electromagnet 20 is fixedly mounted at the bottom end of the folded plate 19, and an iron sheet is fixedly mounted at a position corresponding to the electromagnet 20 at the top end of the fixed flange 16.
Working principle: when the fixed flange 16 contacts with the folded plate 19, the electromagnet 20 is electrified, and magnetism is generated when the electromagnet 20 is electrified, so that the electromagnet 20 can fasten and adsorb iron sheets on the fixed flange 16, and the fixed flange 16 can be more stable when the folded plate 19 is in abutting motion.
Example IV
As a preferred solution of the first embodiment, referring to fig. 1, 2 and 3, an abutting switch 17 is fixedly mounted on the inner side wall of the fixing plate 12, an indicator lamp 24 is fixedly mounted on the bottom end of the fixing plate 12, the abutting switch 17 is electrically connected with the indicator lamp 24, and the indicator lamp 24 is an LED lamp.
Working principle: when the proper installation height is reached, the folded plate 19 can collide with the contact switch 17, and the contact switch 17 is used for electrifying the indicator lamp 24, so that the indicator lamp 24 is lighted to remind a worker of reaching the proper height.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The stern shaft matched hoisting tool comprises a cross beam (1), a moving mechanism and a hoisting mechanism (10), wherein the cross beam (1) is arranged above the ground through a mounting frame, and the moving mechanism is connected to the top end of the cross beam (1); the method is characterized in that: the hoisting mechanism (10) comprises a transverse frame (11) arranged at the bottom end of the moving mechanism, two sides of the bottom end of the transverse frame (11) are connected with fixed plates (12), a notch is formed in each fixed plate (12), a sleeve (26) is rotatably arranged in each notch through a pin shaft (25), a sleeve rod (28) is slidably arranged in each sleeve (26), and one end of each sleeve rod (28) is hinged with a clamping plate (27); the novel electric sleeve is characterized in that a spring (30) is further arranged in the sleeve (26), an electric push rod (31) is further arranged in the sleeve (26), a second guide wheel (23) is arranged at the bottom end of the fixed plate (12), a guide column (18) is connected to the inner wall of the fixed plate (12), a folded plate (19) is sleeved on the guide column (18), one end of the folded plate (19) is connected with a pull rope (22), and one end of the pull rope (22) penetrates through the second guide wheel (23) and then is connected with the sleeve (26); a motor (13) is arranged at the top end of the transverse frame (11), a driving shaft of the motor (13) is connected with a winding roller (14), a lifting rope (15) is wound on the winding roller (14), and one end of the lifting rope (15) penetrates through the transverse frame (11) and then is connected with a fixing flange (16);
the movable mechanism comprises a movable plate (4) arranged above a cross beam (1), the top end of the cross beam (1) is connected with a rack (3), a cross plate (7) is arranged below the cross beam (1), the periphery of the bottom end of the movable plate (4) is connected with the cross plate (7) through a connecting rod, a gear (5) is rotatably arranged at the bottom end of the movable plate (4), a driving machine (6) is connected at the bottom end of the movable plate (4), belt wheels are coaxially arranged on a driving shaft of the driving machine (6) and the gear (5), and the two belt wheels are connected through belt transmission;
an electromagnet (20) is further arranged at the bottom end of the folded plate (19), and an iron sheet is arranged at the position of the electromagnet (20) corresponding to the top end of the fixed flange (16);
the inside wall of fixed plate (12) still installs conflict switch (17), pilot lamp (24) are installed to the bottom of fixed plate (12), conflict switch (17) and pilot lamp (24) electric connection.
2. The stern shaft fitting hoisting tool of claim 1, wherein: the top of diaphragm (7) is equipped with guide block (8), the bottom of crossbeam (1) is connected with guide bar (2), guide bar (2) run through and sliding connection in the inside of guide block (8).
3. The stern shaft fitting hoisting tool of claim 1, wherein: the outer end of the pin shaft (25) is sleeved with a torsion spring (29), and two ends of the torsion spring (29) are respectively connected with the inner wall of the notch and the sleeve (26).
4. The stern shaft fitting hoisting tool of claim 1, wherein: anti-skid patterns are formed in the inner wall of the clamping plate (27).
5. The stern shaft fitting hoisting tool of claim 1, wherein: the outer side wall of the fixed plate (12) is also provided with a first guide wheel (21), and the first guide wheel (21) plays a guide role on the stay cord (22).
6. The stern shaft fitting hoisting tool of claim 1, wherein: the lifting lug is fixedly arranged at the top end of the fixed flange (16), the hook is arranged at the bottom end of the lifting rope (15), and the hook is connected with the lifting lug in a hanging mode.
7. The stern shaft fitting hoisting tool of claim 1, wherein: one end of the loop bar (28) is hinged with the clamping plate (27) through a hinge seat.
CN202111180034.XA 2021-10-11 2021-10-11 Stern shaft matched hoisting tool Active CN113911898B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202111180034.XA CN113911898B (en) 2021-10-11 2021-10-11 Stern shaft matched hoisting tool

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CN113911898B true CN113911898B (en) 2023-12-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117886228A (en) * 2024-03-14 2024-04-16 江苏海曼重工科技有限公司 Portal crane for hoisting container

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US5577874A (en) * 1992-03-16 1996-11-26 Olsen; Torodd E. Method and apparatus for the transfer of loads from a floating vessel to another or to a fixed installation
CN203754214U (en) * 2014-03-18 2014-08-06 浙江天时造船有限公司 Horizontal fitting-hoisting device for shaft coupling
CN109437017A (en) * 2018-10-22 2019-03-08 中船澄西船舶修造有限公司 A kind of guide device for screw shaft of ship lifting
CN209306812U (en) * 2019-01-14 2019-08-27 重庆帆洪船舶机械有限公司 A kind of marine screw shaft hoisting fixture
CN112875500A (en) * 2021-01-29 2021-06-01 启东恒昊船舶科技有限公司 Ship stern shaft hoisting device
CN113321112A (en) * 2021-08-03 2021-08-31 南通恒信精工机械有限公司 Improved crane for ship maintenance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577874A (en) * 1992-03-16 1996-11-26 Olsen; Torodd E. Method and apparatus for the transfer of loads from a floating vessel to another or to a fixed installation
CN203754214U (en) * 2014-03-18 2014-08-06 浙江天时造船有限公司 Horizontal fitting-hoisting device for shaft coupling
CN109437017A (en) * 2018-10-22 2019-03-08 中船澄西船舶修造有限公司 A kind of guide device for screw shaft of ship lifting
CN209306812U (en) * 2019-01-14 2019-08-27 重庆帆洪船舶机械有限公司 A kind of marine screw shaft hoisting fixture
CN112875500A (en) * 2021-01-29 2021-06-01 启东恒昊船舶科技有限公司 Ship stern shaft hoisting device
CN113321112A (en) * 2021-08-03 2021-08-31 南通恒信精工机械有限公司 Improved crane for ship maintenance

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