Self-lubricating reinforcing sleeve for marine slewing device

Abstract

The application relates to the technical field of ship hoists, and discloses a self-lubricating reinforcing sleeve of a ship slewing device, which solves the problem of insufficient radial bearing capacity of a slewing reducer of a current ship hoist under an inclined working condition, and comprises a motor, a reducer is arranged at the bottom of the motor, a gear shaft is connected to the reducer, a gear is sleeved at the outer side of the gear shaft, and a self-lubricating reinforcing sleeve is sleeved at the outer side of the gear shaft; the application is characterized in that the cooperation between the side shaft, the L-shaped plate two and the positioning column and the L-shaped plate one facilitates the placement of the outer ring, the cooperation between the L-shaped round rod, the lifting ring, the spring and the fixing ring facilitates the descending of the two U-shaped plates and the sleeving of the two U-shaped plates at the outer sides of the two positioning columns, the two U-shaped plates can clamp and fix the two L-shaped plate two respectively, the self-lubricating reinforcing sleeve can be arranged at the outer side of the gear shaft, the influence of the radial force of the gear shaft on the reducer is reduced, the radial bearing capacity of the reducer is increased, and the miniaturization of the slewing mechanism of the hoist is realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of ship hoist, in particular to a self-lubricating reinforcing sleeve of a ship slewing device. BACKGROUND

[0002] The ship hoist is a device and machinery for loading and unloading goods, mainly including a boom device, a deck crane and other loading and unloading machinery. SUMMARY

[0003] In view of the above, in order to overcome the defects of the prior art, the application provides a self-lubricating reinforcing sleeve of a ship slewing device, which effectively solves the problem of insufficient radial bearing capacity of the slewing reducer of the current ship hoist in the inclined working condition.

[0004] To achieve the above purpose, the application provides the following technical scheme: a self-lubricating reinforcing sleeve of a ship slewing device, comprising a motor, a reducer is installed at the bottom of the motor, a gear shaft is connected to the reducer, a gear and a self-lubricating reinforcing sleeve are sleeved on the outside of the gear shaft, the self-lubricating reinforcing sleeve is located above the gear, a supporting mechanism is arranged between the self-lubricating reinforcing sleeve and the reducer, and a driving mechanism and a limiting mechanism are arranged on the outside of the gear shaft.

[0005] The supporting mechanism comprises a mounting ring fixed to the outside of the reducer, two L-shaped plates one are fixedly connected in symmetry at the bottom of the mounting ring, positioning columns are fixedly connected to the inner bottom walls of the two L-shaped plates one, an outer ring is fixedly sleeved on the outside of the self-lubricating reinforcing sleeve, two side shafts are rotatably connected in symmetry to the outside of the outer ring, two L-shaped plates two are fixedly sleeved on the outside of the two side shafts, the inner top walls of the two L-shaped plates two are respectively attached to the inner bottom walls of the two L-shaped plates one, and the two L-shaped plates two are respectively sleeved on the outside of the two positioning columns.

[0006] Preferably, a lifting ring is arranged on the outside of the gear shaft, the lifting ring is located between the two L-shaped plates one, two U-shaped plates are fixedly connected in symmetry at the bottom of the lifting ring, and the two U-shaped plates are located directly above the two positioning columns.

[0007] Preferably, L-shaped round rods are fixedly connected to the inner sides of the two L-shaped plates one, the lifting ring is movably sleeved on the outside of the two L-shaped round rods, fixing rings are fixedly sleeved on the outside of the two L-shaped round rods, the two fixing rings are located above the lifting ring, springs are fixedly connected between the two fixing rings and the lifting ring, and the two springs are respectively sleeved on the outside of the two L-shaped round rods.

[0008] Preferably, the driving mechanism comprises a U-shaped frame fixed to the bottom of the mounting ring, the bottom of the U-shaped frame is provided with a lifting plate, the lifting plate is movably sleeved on the outer sides of two L-shaped round rods, and the top of the lifting plate abuts against the bottom of the lifting ring.

[0009] Preferably, the bottom of the U-shaped frame is fixedly connected with a bottom cylinder, the gear shaft penetrates through the U-shaped frame and the bottom cylinder, and the gear shaft does not contact the U-shaped frame and the bottom cylinder, the outer side of the bottom cylinder is provided with a sleeve ring, the bottom of the sleeve ring is fixedly connected with a plurality of auxiliary rods at equal angles, the outer side of the sleeve ring is provided with an annular groove, and the lifting plate is rotatably connected with the sleeve ring through the annular groove.

[0010] Preferably, the outer side of the bottom cylinder is provided with external threads, the inner side of the sleeve ring is provided with internal threads matched with the external threads, and the sleeve ring is threadedly sleeved on the outer side of the bottom cylinder.

[0011] Preferably, the limiting mechanism comprises two insertion rods symmetrically located at the bottom of the U-shaped frame, the outer side of the outer ring is fixedly connected with two insertion cylinders symmetrically, and the inner diameters of the two insertion cylinders are equal to the outer diameters of the two insertion rods.

[0012] Preferably, the bottom of the U-shaped frame is fixedly connected with two U-shaped round rods symmetrically, the outer sides of the two U-shaped round rods are movably sleeved with sliding blocks, the top of the two sliding blocks is respectively provided with an abutting wheel located at the bottom of the U-shaped frame, and the top ends of the two insertion rods are respectively fixed to the bottoms of the two sliding blocks.

[0013] Preferably, the outer side of the lifting plate is fixedly installed with two side blocks symmetrically, the outer sides of the two side blocks are rotatably connected with movable rods, and the top ends of the two movable rods are rotatably connected to the bottoms of the two sliding blocks.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] (1) The present application is convenient for placing the outer ring through the cooperation between the side shaft and the L-shaped plate two and the positioning column and the L-shaped plate one, and is convenient for the two U-shaped plates to be respectively sleeved on the outer sides of the two positioning columns through the cooperation between the L-shaped round rod and the lifting ring and the cooperation between the spring and the fixing ring, so that the two U-shaped plates can be clamped and fixed to the two L-shaped plate two respectively, the self-lubricating reinforcing sleeve is installed on the outer side of the gear shaft, thereby reducing the influence of the radial force of the gear shaft on the speed reducer, thereby increasing the radial bearing capacity of the speed reducer, and realizing the miniaturization of the crane slewing mechanism.

[0016] (2)The application facilitates the lifting plate to slide along the two L-shaped round rods through the cooperation between the bottom cylinder, the sleeve ring and the annular groove, can push the lifting ring when the lifting plate rises, makes the two U-shaped plates rise, and the two springs are compressed at the same time, thereby facilitating the two L-shaped plates two to be placed on the two L-shaped plates one respectively, can release the limiting effect on the lifting ring when the lifting plate descends, makes the lifting ring slide downward along the two L-shaped round rods under the action of the elastic force of the two springs, thereby facilitating the two U-shaped plates to descend and clamp the two L-shaped plates two respectively.

[0017] (3)The application facilitates the lifting plate to slide downward along the two L-shaped round rods through the cooperation between the bottom cylinder, the sleeve ring and the annular groove, and facilitates the two insertion rods to approach each other and be inserted into the two insertion cylinders respectively through the cooperation between the side block, the movable rod, the sliding block and the U-shaped round rod, can limit the position of the outer ring, thereby facilitating the stable installation of the self-lubricating reinforcing sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the application, and constitute a part of the specification, illustrate the application, and are used to explain the application, and do not constitute a limitation on the application.

[0019] In the drawings:

[0020] Figure 1 It is a schematic view of the self-lubricating reinforcing sleeve structure of the marine slewing device of the application.

[0021] Figure 2 It is a schematic view of the supporting mechanism structure of the application.

[0022] Figure 3 It is a schematic view of the disassembly structure of the outer ring and the lifting ring of the application.

[0023] Figure 4 It is a schematic view of the driving mechanism structure of the application.

[0024] Figure 5 It is a schematic view of the disassembly structure of the bottom cylinder and the lifting plate of the application.

[0025] Figure 6 It is a schematic view of the limiting mechanism structure of the application.

[0026] Figure 7 It is a schematic view of the insertion rod structure of the application.

[0027] In the figure: 1, motor; 2, support mechanism; 201, mounting ring; 202, L-shaped plate one; 203, spring; 204, L-shaped round rod; 205, L-shaped plate two; 206, outer ring; 207, U-shaped plate; 208, lifting ring; 209, fixed ring; 2010, positioning column; 2011, side shaft; 3, driving mechanism; 301, U-shaped frame; 302, bottom cylinder; 303, lifting plate; 304, sleeve ring; 305, auxiliary rod; 306, annular groove; 4, limiting mechanism; 401, plug rod; 402, plug cylinder; 403, movable rod; 404, side block; 405, sliding block; 406, abutting wheel; 407, U-shaped round rod; 5, gear; 6, gear shaft; 7, self-lubricating reinforcing sleeve; 8, speed reducer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0029] Embodiment one, from Figures 1-7 The present application comprises a motor 1, the bottom of the motor 1 is provided with a speed reducer 8, the speed reducer 8 is connected with a gear shaft 6, the outer side of the gear shaft 6 is sleeved with a gear 5 and a self-lubricating reinforcing sleeve 7, the self-lubricating reinforcing sleeve 7 is located above the gear 5, a support mechanism 2 is arranged between the self-lubricating reinforcing sleeve 7 and the speed reducer 8, and the outer side of the gear shaft 6 is provided with a driving mechanism 3 and a limiting mechanism 4.

[0030] In the embodiment two, on the basis of the embodiment one, the supporting mechanism 2 comprises a mounting ring 201 fixed outside the speed reducer 8, the bottom of the mounting ring 201 is fixedly connected with two L-shaped plates one 202 in a symmetrical manner, the inner bottom wall of each of the two L-shaped plates one 202 is fixedly connected with a positioning column 2010, the outer side of the self-lubricating reinforcing sleeve 7 is fixedly sleeved with an outer ring 206, the outer side of the outer ring 206 is rotatably connected with two side shafts 2011 in a symmetrical manner, the outer side of each of the two side shafts 2011 is fixedly sleeved with an L-shaped plate two 205, the inner top wall of each of the two L-shaped plate two 205 is attached to the inner bottom wall of each of the two L-shaped plates one 202, and the two L-shaped plate two 205 are sleeved outside the two positioning columns 2010 respectively, the outer side of the gear shaft 6 is provided with a lifting ring 208, the lifting ring 208 is located between the two L-shaped plates one 202, the bottom of the lifting ring 208 is fixedly connected with two U-shaped plates 207 in a symmetrical manner, the two U-shaped plates 207 are located directly above the two positioning columns 2010 respectively, the inner side of each of the two L-shaped plates one 202 is fixedly connected with an L-shaped round rod 204, the lifting ring 208 is movably sleeved outside the two L-shaped round rods 204, the outer side of each of the two L-shaped round rods 204 is fixedly sleeved with a fixed ring 209, and the two fixed rings 209 are located above the lifting ring 208 respectively, and each of the two fixed rings 209 is fixedly connected with a spring 203, and the two springs 203 are sleeved outside the two L-shaped round rods 204 respectively.

[0031] Firstly, the lifting ring 208 is slid upwards along the two L-shaped round rods 204, the two U-shaped plates 207 are lifted, the two springs 203 are compressed at this time, then the self-lubricating reinforcing sleeve 7 is sleeved outside the gear shaft 6, the two L-shaped plate two 205 are sleeved outside the two positioning columns 2010 respectively by rotating, until the inner top wall of each of the two L-shaped plate two 205 is abutted against the inner bottom wall of each of the two L-shaped plates one 202, then the lifting ring 208 is loosened, at this time, the two springs 203 are reset to drive the lifting ring 208 to slide downwards along the two L-shaped round rods 204, and the two U-shaped plates 207 are lowered to be sleeved outside the two positioning columns 2010 respectively, until the two U-shaped plates 207 are abutted against the two L-shaped plate two 205 respectively, the installation and fixation of the self-lubricating reinforcing sleeve 7 are completed, the influence of the radial force of the gear shaft 6 on the speed reducer 8 is reduced, the radial bearing capacity of the speed reducer 8 is increased, and the miniaturization of the slewing mechanism of the crane is realized.

[0032] In example three, on the basis of example one, the driving mechanism 3 comprises a U-shaped frame 301 fixed to the bottom of the mounting ring 201, the bottom of the U-shaped frame 301 is provided with a lifting plate 303, the lifting plate 303 is movably sleeved on the outside of the two L-shaped round rods 204, and the top of the lifting plate 303 abuts against the bottom of the lifting ring 208, the bottom of the U-shaped frame 301 is fixedly connected with a bottom cylinder 302, the gear shaft 6 penetrates through the U-shaped frame 301 and the bottom cylinder 302, and the gear shaft 6 does not contact the U-shaped frame 301 and the bottom cylinder 302, the outside of the bottom cylinder 302 is provided with a sleeve ring 304, a plurality of auxiliary rods 305 are fixedly connected at equal angles at the bottom of the sleeve ring 304, the outside of the sleeve ring 304 is provided with an annular groove 306, the lifting plate 303 is rotatably connected with the sleeve ring 304 through the annular groove 306, the outside of the bottom cylinder 302 is provided with external threads, and the inside of the sleeve ring 304 is provided with internal threads matched with the external threads, and the sleeve ring 304 is threadedly sleeved on the outside of the bottom cylinder 302;

[0033] Firstly, the auxiliary rod 305 is rotated through the corresponding auxiliary rod 305, the sleeve ring 304 is rotated, since the sleeve ring 304 is threadedly sleeved on the outside of the bottom cylinder 302, the sleeve ring 304 moves longitudinally while rotating, since the lifting plate 303 is rotatably connected with the sleeve ring 304 through the annular groove 306, the lifting plate 303 is driven to slide along the two L-shaped round rods 204, when the lifting plate 303 rises, the lifting ring 208 is pushed upward, the two U-shaped plates 207 are driven to rise, and the two springs 203 are compressed at the same time, so that the two L-shaped plates two 205 are placed on the two L-shaped plates one 202 respectively, when the lifting plate 303 descends, the restriction effect on the lifting ring 208 is released, at this time, the lifting ring 208 slides downward along the two L-shaped round rods 204 under the elastic force of the two springs 203, and finally the two U-shaped plates 207 descend to clamp and fix the two L-shaped plates two 205.

[0034] In example four, on the basis of example one, the limiting mechanism 4 comprises two plug rods 401 symmetrically located at the bottom of the U-shaped frame 301, the outside of the outer ring 206 is fixedly connected with two plug cylinders 402, the inner diameter values of the two plug cylinders 402 are equal to the outer diameter values of the two plug rods 401, the bottom of the U-shaped frame 301 is fixedly connected with two U-shaped round rods 407, the outside of each of the two U-shaped round rods 407 movably sleeved with a sliding block 405, the top of each of the two sliding blocks 405 is provided with an abutting wheel 406 fixedly installed at the bottom of the U-shaped frame 301, the top of each of the two plug rods 401 is fixed to the bottom of each of the two sliding blocks 405, and the outside of the lifting plate 303 is fixedly installed with two side blocks 404, the outside of each of the two side blocks 404 is rotatably connected with a movable rod 403, and the top of each of the two movable rods 403 is rotatably connected to the bottom of each of the two sliding blocks 405.

[0035] First, the rotating collar 304 drives the lifting plate 303 to slide down along the two L-shaped round rods 204, and drives the two side blocks 404 to descend, and then the two movable rods 403 drive the two sliding blocks 405 to slide along the two U-shaped round rods 407 respectively, and at the same time, the two abutting wheels 406 roll on the bottom of the U-shaped frame 301, which ensures the stability of the movement of the two sliding blocks 405, and then the two inserting rods 401 are driven to approach each other and are inserted into the two inserting sleeves 402 respectively, so as to limit the position of the outer ring 206, and finally the stable installation of the self-lubricating reinforcing sleeve 7 is completed.

Claims

1. A self-lubricating reinforcement sleeve for a marine rotary device comprising a motor (1), characterized in that: The bottom of the motor (1) is provided with a speed reducer (8), the speed reducer (8) is connected with a gear shaft (6), the outer side of the gear shaft (6) is sleeved with a gear (5) and a self-lubricating reinforcing sleeve (7), the self-lubricating reinforcing sleeve (7) is located above the gear (5), a supporting mechanism (2) is arranged between the self-lubricating reinforcing sleeve (7) and the speed reducer (8), and the outer side of the gear shaft (6) is provided with a driving mechanism (3) and a limiting mechanism (4). The supporting mechanism (2) comprises a mounting ring (201) fixed to the outer side of the speed reducer (8), the bottom of the mounting ring (201) is fixedly connected with two L-shaped plates (202) in a symmetrical manner, the inner bottom walls of the two L-shaped plates (202) are fixedly connected with positioning columns (2010), the outer side of the self-lubricating reinforcing sleeve (7) is fixedly sleeved with an outer ring (206), the outer side of the outer ring (206) is rotatably connected with two side shafts (2011) in a symmetrical manner, the outer sides of the two side shafts (2011) are fixedly sleeved with two L-shaped plates (205), the inner top walls of the two L-shaped plates (205) are respectively attached to the inner bottom walls of the two L-shaped plates (202), and the two L-shaped plates (205) are respectively sleeved on the outer sides of the two positioning columns (2010).

2. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 1, characterised in that: The outer side of the gear shaft (6) is provided with a lifting ring (208), the lifting ring (208) is located between the two L-shaped plates (202), and the bottom of the lifting ring (208) is fixedly connected with two U-shaped plates (207) in a symmetrical manner.

3. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 1, characterized in that: The inner sides of the two L-shaped plates (202) are fixedly connected with L-shaped round rods (204), the lifting ring (208) is movably sleeved on the outer sides of the two L-shaped round rods (204), the outer sides of the two L-shaped round rods (204) are fixedly sleeved with fixed rings (209), the two fixed rings (209) are located above the lifting ring (208), and the two fixed rings (209) are fixedly connected with springs (203) and the lifting ring (208), and the two springs (203) are sleeved on the outer sides of the two L-shaped round rods (204).

4. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 1, characterized in that: The driving mechanism (3) comprises a U-shaped frame (301) fixed to the bottom of the mounting ring (201), the bottom of the U-shaped frame (301) is provided with a lifting plate (303), the lifting plate (303) is movably sleeved on the outer sides of the two L-shaped round rods (204), and the top of the lifting plate (303) abuts against the bottom of the lifting ring (208).

5. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 4, characterised in that: The bottom of the U-shaped frame (301) is fixedly connected with a bottom cylinder (302), the gear shaft (6) penetrates through the U-shaped frame (301) and the bottom cylinder (302), and the gear shaft (6) does not contact the U-shaped frame (301) and the bottom cylinder (302), the outer side of the bottom cylinder (302) is provided with a sleeve ring (304), the bottom of the sleeve ring (304) is fixedly connected with a plurality of auxiliary rods (305) at equal angles, the outer side of the sleeve ring (304) is provided with an annular groove (306), and the lifting plate (303) is rotatably connected with the sleeve ring (304) through the annular groove (306).

6. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 5, characterised in that: The outer side of the bottom cylinder (302) is provided with external threads, the inner side of the sleeve ring (304) is provided with internal threads matched with the external threads, and the sleeve ring (304) is threadedly sleeved on the outer side of the bottom cylinder (302).

7. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 1, characterized in that: The limiting mechanism (4) comprises two insertion rods (401) symmetrically arranged at the bottom of the U-shaped frame (301), and two insertion sleeves (402) are symmetrically and fixedly connected to the outer side of the outer ring (206) and have an inner diameter value equal to that of the two insertion rods (401).

8. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 4, characterized in that: The bottom of the U-shaped frame (301) is symmetrically and fixedly connected with two U-shaped round rods (407), the outer side of each of the two U-shaped round rods (407) is movably sleeved with a sliding block (405), the top of each of the two sliding blocks (405) is mounted with an abutting wheel (406) located at the bottom of the U-shaped frame (301), and the top end of each of the two insertion rods (401) is fixed to the bottom of each of the two sliding blocks (405).

9. A self-lubricating reinforcing sleeve for a marine slewing device according to claim 4, characterized in that: The outer side of the lifting plate (303) is symmetrically and fixedly mounted with two side blocks (404), the outer side of each of the two side blocks (404) is rotatably connected with a movable rod (403), and the top end of each of the two movable rods (403) is rotatably connected to the bottom of each of the two sliding blocks (405).

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