CN212420627U

CN212420627U - Marine diesel engine crankshaft on-site repair tool

Info

Publication number: CN212420627U
Application number: CN202020785784.4U
Authority: CN
Inventors: 杨帆
Original assignee: Guangzhou Kelun Power Machinery Co ltd
Current assignee: Guangzhou Kelun Power Machinery Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-01-29
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a marine diesel engine bent axle field repair instrument, including first lid of shell, the inner chamber of first lid of shell is provided with first lid of inner shell, the inner chamber fixedly connected with hole packing ring of first lid of inner shell. The utility model discloses a set up first lid of shell, first lid of inner shell, hole packing ring, clamp plate, first lid under the inner shell, first lid under the shell, the worm, first deep groove ball bearing, second deep groove ball bearing, the sleeve, the closing cap, the motor, third deep groove ball bearing, the round pin axle, the retaining ring, rings and abrasive paper mutually support, reached can mechanize the advantage of the maintenance of polishing to the boats and ships bent axle, make the workman when maintaining the boats and ships bent axle, can be automatic polish the maintenance to the boats and ships diesel engine bent axle. The precision of the crankshaft is guaranteed, time and labor are saved when workers maintain the crankshaft of the ship, the labor intensity of the workers is reduced, the operation difficulty of the workers is reduced, and the workers can maintain the crankshaft of the ship conveniently.

Description

Marine diesel engine crankshaft on-site repair tool

Technical Field

The utility model relates to a boats and ships technical field specifically is a marine diesel engine bent axle field repair instrument.

Background

The present invention relates to a ship, which is a general term for various ships, and is a vehicle capable of sailing or berthing in water for transportation or operation, and has different technical performances, equipment and structural types according to different use requirements, wherein the ship is an artificial vehicle mainly operating in geographic water, in addition, a civil ship is generally called a ship, a military ship is called a ship, a small ship is called a boat or a boat, the general term is a ship or a boat, the internal part mainly comprises a containing space, a supporting structure and a drainage structure, and the ship is provided with a propulsion system utilizing external or self-contained energy, the external shape is generally favorable for overcoming the linear envelope of flow of fluid resistance, the materials are continuously updated along with the technological progress, the materials are natural materials such as wood, bamboo, hemp, etc., and the modern materials are mostly steel, aluminum, glass fiber, acrylic and various composite materials.

The marine diesel engine is the heart of modern ships and mainly plays a role in propulsion. When the journal of the crankshaft of the diesel engine is damaged due to pressure loss and the like, the ship with lost power can only be parked at vast sea, and the crankshaft of the ship needs to be repaired on site. The requirements for the size of the crankshaft in a diesel engine, the requirements for form and position tolerance such as roundness and parallelism, and the requirements for roughness are all high. At present, when the existing ship crankshaft is maintained, workers need to manually and auxiliary tools to polish and maintain the crankshaft, the precision and the roughness of the crankshaft are difficult to guarantee, and secondary damage is easily caused. Moreover, the condition that the labor and time are wasted easily occurs to workers, the grinding period is long, the operation difficulty of the workers is large, and the workers are inconvenient to maintain the ship crankshaft.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a marine diesel engine bent axle field repair instrument possesses the advantage of the maintenance of polishing to the boats and ships bent axle that can be automatic, has solved current boats and ships bent axle when maintaining, needs the workman to polish the maintenance to the boats and ships bent axle manually, causes the workman to appear wasting time and energy easily and can not guarantee the problem of precision again.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a marine diesel engine crankshaft field repair tool comprises an upper half cover of an outer shell, wherein an inner cavity of the upper half cover of the outer shell is provided with an upper half cover of an inner shell, an inner cavity of the upper half cover of the inner shell is fixedly connected with an inner hole gasket, the outer side of the inner hole gasket is fixedly connected with a pressing plate, the bottom of the inner hole gasket is fixedly connected with a lower half cover of the inner shell, the surface of the lower half cover of the inner shell is provided with a lower half cover of the outer shell, the bottom of the lower half cover of the outer shell is provided with a worm, the left end of the surface of the worm is sleeved with a first deep groove ball bearing, the right end of the surface of the worm is sleeved with a second deep groove ball bearing, the right end of the worm is sleeved with a sleeve, the bottom of the right side of the lower half cover of the outer shell is fixedly connected with a sealing cover, the right side of the sealing cover is fixedly connected with, the axle center department fixedly connected with round pin axle of third deep groove ball bearing, the retaining ring has all been cup jointed on the both sides on round pin axle surface, the top fixedly connected with rings of first lid of shell, the inner chamber fixedly connected with abrasive paper of hole packing ring.

Preferably, one side of the pressure plate is fixedly connected with the inner side of the inner hole gasket through a hexagon screw, and the inner side of the upper half cover of the inner shell is fixedly connected with one side of the inner hole gasket through a hexagon screw.

Preferably, the bottom of the upper half cover of the outer shell is fixedly connected with the top of the sleeve through a hexagon screw, and the inner cavity of the upper half cover of the inner shell is fixedly connected with the surface of the inner hole gasket through the hexagon screw.

Preferably, the left side of motor and the right side of closing cap pass through hex bolts fixed connection, telescopic left side is run through to the left side of closing cap and with the right-hand member joint of worm.

(III) advantageous effects

Compared with the prior art, the utility model provides a marine diesel engine bent axle field repair instrument possesses following beneficial effect:

1. the utility model discloses a set up first lid of shell, first lid of inner shell, hole packing ring, clamp plate, first lid under the inner shell, first lid under the shell, the worm, first deep groove ball bearing, second deep groove ball bearing, sleeve, closing cap, motor, third deep groove ball bearing, round pin axle, retaining ring, rings and abrasive paper mutually support, reached can be automatic carry out the advantage of the maintenance of polishing to the boats and ships bent axle, make the workman when maintaining the boats and ships bent axle, can be automatic polish the maintenance to the boats and ships diesel engine bent axle. The precision of the crankshaft is guaranteed, time and labor are saved when workers maintain the crankshaft of the ship, the labor intensity of the workers is reduced, the operation difficulty of the workers is reduced, and the workers can maintain the crankshaft of the ship conveniently.

2. The utility model discloses a set up the clamp plate, play fixed spacing effect to first lid of hole packing ring and inner shell, through setting up the worm, play and drive first lid of inner shell and the first lid pivoted effect of inner shell under, rotate the time stable effect to the worm through setting up first deep groove ball bearing and second deep groove ball bearing, through setting up sleeve and motor, play and drive second deep groove ball bearing and begin the pivoted effect, through setting up third deep groove ball bearing, play the stable effect when rotating to the round pin axle, through setting up abrasive paper, play the automatic effect of repairing the garden and polishing to the boats and ships bent axle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the side view structure of the present invention;

fig. 3 is an enlarged view of a portion of C-C of fig. 1 according to the present invention.

In the figure: 1. an upper half cover of the housing; 2. an upper half cover of the inner shell; 3. an inner bore washer; 4. pressing a plate; 5. a lower half cover of the inner shell; 6. a lower half cover of the housing; 7. a worm; 8. a first deep groove ball bearing; 9. a second deep groove ball bearing; 10. a sleeve; 11. sealing the cover; 12. a motor; 13. a third deep groove ball bearing; 14. a pin shaft; 15. a retainer ring; 16. a hoisting ring; 17. and (7) sand paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the components of the present invention are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-3, a field repair tool for a crankshaft of a marine diesel engine comprises an upper half cover 1 of an outer shell, an upper half cover 2 of an inner shell is arranged in an inner cavity of the upper half cover 1 of the outer shell, an inner hole gasket 3 is fixedly connected to an inner cavity of the upper half cover 2 of the inner shell, a pressing plate 4 is fixedly connected to the outer side of the inner hole gasket 3, a lower half cover 5 of the inner shell is fixedly connected to the bottom of the inner hole gasket 3, a lower half cover 6 of the outer shell is arranged on the surface of the lower half cover 5 of the inner shell, a worm 7 is arranged at the bottom of the lower half cover 6 of the outer shell, a first deep groove ball bearing 8 is sleeved at the left end of the surface of the worm 7, a second deep groove ball bearing 9 is sleeved at the right end of the surface of the worm 7, a sleeve 10 is sleeved at the right end of the worm 7, a sealing cover 11 is fixedly connected to the bottom of the right side of the lower half cover 6 of the outer shell, a, a pin shaft 14 is fixedly connected at the axis of a third deep groove ball bearing 13, two sides of the surface of the pin shaft 14 are respectively sleeved with a retainer ring 15, the top of the upper half cover 1 of the outer shell is fixedly connected with a lifting ring 16, the inner cavity of the inner hole gasket 3 is fixedly connected with abrasive paper 17, one side of the pressure plate 4 is fixedly connected with the inner side of the inner hole gasket 3 through a hexagon screw, the inner side of the upper half cover 2 of the inner shell is fixedly connected with one side of the inner hole gasket 3 through a hexagon screw, the bottom of the upper half cover 1 of the outer shell is fixedly connected with the top of the sleeve 10 through a hexagon screw, the inner cavity of the upper half cover 2 of the inner shell is fixedly connected with the surface of the inner hole gasket 3 through a hexagon screw, the left side of the motor 12 is fixedly connected with the right side of the sealing cover 11 through a hexagon screw, the left side of the sleeve 10 penetrates to the left side of the sealing, the worm 7 is arranged to drive the upper half cover 2 of the inner shell and the lower half cover 5 of the inner shell to rotate, the first deep groove ball bearing 8 and the second deep groove ball bearing 9 are arranged to stabilize the worm 7 when rotating, the sleeve 10 and the motor 12 are arranged to drive the second deep groove ball bearing 9 to start rotating, the third deep groove ball bearing 13 is arranged to stabilize the pin shaft 14 when rotating, the sand paper 17 is arranged to automatically repair and polish the ship crankshaft, the upper half cover 1 of the outer shell, the upper half cover 2 of the inner shell, the inner hole gasket 3, the pressing plate 4, the lower half cover 5 of the inner shell, the lower half cover 6 of the outer shell, the worm 7, the first deep groove ball bearing 8, the second deep groove ball bearing 9, the sleeve 10, the seal cover 11, the motor 12, the third deep groove ball bearing 13, the pin shaft 14, the check ring 15, the hanging ring 16 and the sand paper 17 are arranged to be matched with each other, the advantage of polishing the maintenance to boats and ships bent axle that can be automatic has been reached, makes the workman to boats and ships bent axle when maintaining, can be automatic polish the maintenance to boats and ships diesel engine bent axle. The precision of the crankshaft is guaranteed, time and labor are saved when workers maintain the crankshaft of the ship, the labor intensity of the workers is reduced, the operation difficulty of the workers is reduced, and the workers can maintain the crankshaft of the ship conveniently.

When the automatic trimming and polishing device is used, a main shaft of the pneumatic motor 12 rotates and is connected through a flat key of the sleeve 10 to drive the worm 7 to rotate in inner cavities of the first deep groove ball bearing 8 and the second deep groove ball bearing 9, the worm 7 drives the worm gear pair to drive the inner shell to rotate at a high speed, the inner shell, the inner hole gasket 3 and the abrasive paper 17 are combined into a whole through screws, finally the abrasive paper 17 is polished on the surface of a crankshaft journal to achieve the effect of repairing the journal, the journals with various specifications and diameters can be repaired through designing parts with different sizes, therefore, the purpose of automatically trimming and polishing a ship crankshaft is achieved, special bearing bushes are customized according to the repaired size, and the maintenance advantage is rapidly completed.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and equipment adopt conventional models in the prior art, and the control mode is controlled by a pneumatic switch.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a marine diesel engine bent axle field repair instrument, includes half lid (1) on the shell, its characterized in that: the inner cavity of the upper half cover (1) of the outer shell is provided with an upper half cover (2) of the inner shell, the inner cavity of the upper half cover (2) of the inner shell is fixedly connected with an inner hole gasket (3), the outer side of the inner hole gasket (3) is fixedly connected with a pressing plate (4), the bottom of the inner hole gasket (3) is fixedly connected with a lower half cover (5) of the inner shell, the surface of the lower half cover (5) of the inner shell is provided with a lower half cover (6) of the outer shell, the bottom of the lower half cover (6) of the outer shell is provided with a worm (7), the left end of the surface of the worm (7) is sleeved with a first deep groove ball bearing (8), the right end of the surface of the worm (7) is sleeved with a second deep groove ball bearing (9), the right end of the worm (7) is sleeved with a sleeve (10), the bottom of the right side of the lower half cover (, the output of motor (12) and the right side fixed connection of sleeve (10), the equal fixedly connected with third deep groove ball bearing (13) in both sides of first cover (1) on the shell and first cover (6) inner chamber under the shell, fixedly connected with round pin axle (14) are located to the axle center of third deep groove ball bearing (13), retaining ring (15) have all been cup jointed to the both sides on round pin axle (14) surface, the top fixedly connected with rings (16) of first cover (1) on the shell, the inner chamber fixedly connected with abrasive paper (17) of hole packing ring (3).

2. The field repair tool for the crankshaft of the marine diesel engine according to claim 1, wherein: one side of the pressing plate (4) is fixedly connected with the inner side of the inner hole gasket (3) through a hexagon screw, and the inner side of the inner shell upper half cover (2) is fixedly connected with one side of the inner hole gasket (3) through a hexagon screw.

3. The field repair tool for the crankshaft of the marine diesel engine according to claim 1, wherein: the bottom of the upper half cover (1) of the outer shell is fixedly connected with the top of the sleeve (10) through a hexagon screw, and the inner cavity of the upper half cover (2) of the inner shell is fixedly connected with the surface of the inner hole gasket (3) through the hexagon screw.

4. The field repair tool for the crankshaft of the marine diesel engine according to claim 1, wherein: the left side of motor (12) and the right side of closing cap (11) pass through hex bolts fixed connection, the left side of sleeve (10) is run through to the left side of closing cap (11) and with the right-hand member joint of worm (7).