CN112747042A

CN112747042A - Shifting fork device of medium-speed diesel engine turning gear

Info

Publication number: CN112747042A
Application number: CN201911037348.7A
Authority: CN
Inventors: 胡尊侠; 张艳军; 沙玉娟
Original assignee: Hudong Heavy Machinery Co Ltd
Current assignee: Hudong Heavy Machinery Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-05-04
Anticipated expiration: 2039-10-29

Abstract

The invention relates to the technical field of machine manufacturing, and discloses a shifting fork device of a turning machine of a medium-speed diesel engine, which comprises a device shell, wherein a power connecting shaft is movably arranged at the top of an inner cavity of the device shell, a first gear is fixedly sleeved on the outer surface of the power connecting shaft, a sliding rail is fixedly arranged on the left side of the power connecting shaft on the front surface of the inner cavity of the device shell, a sliding seat is slidably clamped on the outer surface of the sliding rail, and a rotating shaft is movably arranged on the inner side surface of the sliding seat. This medium speed diesel engine barring machine shift fork device makes the motion of second gear and third gear more stable through setting up slide rail and slide, can not appear meshing unstable problem in the in-process that uses, and the mode that the cooperation of second gear and third gear carried out the shift fork with original gear becomes the mode that two gears combine makes the device can not appear the gear damage and lead to other gear to follow the problem of damage at the in-process that uses.

Description

Shifting fork device of medium-speed diesel engine turning gear

Technical Field

The invention relates to the technical field of machine manufacturing, in particular to a shifting fork device of a turning machine of a medium-speed diesel engine.

Background

When the diesel engine is assembled in a general assembly workshop, whether the operation of a crankshaft and other moving parts is abnormal or not needs to be checked through a barring gear, and a piston of a certain cylinder is adjusted to a top dead center according to a designed ignition sequence to adjust the timing.

At present, a shifting fork device is required to be used in the using process, the shifting fork device is used for shifting the small wheel rim axial displacement which can axially displace and is arranged on the output shaft of the electric jigger, and then the shifting fork device is mechanically connected with an oil extraction machine.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a shifting fork device of a turning machine of a medium-speed diesel engine, which has the advantages that the shifting fork device is stable in movement, can not be separated in the process of meshing transmission, does not need manual control, and solves the problems in the background art.

The invention provides the following technical scheme: a shifting fork device of a turning machine of a medium-speed diesel engine comprises a device shell, wherein a power connecting shaft is movably mounted at the top of an inner cavity of the device shell, a first gear is fixedly sleeved on the outer surface of the power connecting shaft, a slide rail is fixedly mounted on the left side of the power connecting shaft in the front of the inner cavity of the device shell, a slide seat is connected to the outer surface of the slide rail in a sliding and clamping manner, a rotating shaft is movably mounted on the inner side surface of the slide seat, a second gear meshed with the first gear is sleeved on the outer surface of the rotating shaft, a bearing seat is movably mounted on the outer surface of the rotating shaft below the second gear, a third gear is fixedly sleeved on the outer surface of the rotating shaft below the bearing seat, a first movable shaft is movably mounted on the left side of the rotating shaft in the front of the inner cavity of the device shell, an L-shaped rod is fixedly, first loose axle is located the first connecting arm of the positive one end fixedly connected with of device shell, the other end activity hinge of first connecting arm has the second linking arm, the positive movable mounting of device shell has the second loose axle, the surface movable mounting of second loose axle has the action bars, the one end of action bars and the other end activity hinge of second linking arm, the one end fixedly connected with horizontal pole of action bars, the bottom activity hinge of horizontal pole has the sliding seat, the left surface fixed mounting of device shell has servo motor, servo motor's output fixedly connected with lead screw, the surface of lead screw and the internal thread connection of sliding seat.

Preferably, the front of device shell fixedly mounted has the cylinder, the front of device shell is located the below fixed mounting of cylinder and is had travel switch device, the side activity hinge joint of action bars have with cylinder and travel switch device the articulated pole.

Preferably, the travel switch device is electrically connected with the servo motor and the air cylinder.

Preferably, the bottom of the device shell is fixedly provided with an external diesel engine connecting seat.

Preferably, the diameter value of the first gear is greater than the diameter value of the third gear, and the diameter value of the first gear is less than the diameter value of the second gear.

Compared with the prior art, the invention has the following beneficial effects:

1. this medium speed diesel engine barring machine shift fork device makes the motion of second gear and third gear more stable through setting up slide rail and slide, can not appear meshing unstable problem in the in-process that uses, and the mode that the cooperation of second gear and third gear carried out the shift fork with original gear becomes the mode that two gears combine makes the device can not appear the gear damage and lead to other gear to follow the problem of damage at the in-process that uses.

2. This intermediate speed diesel engine barring machine shift fork device makes the device can carry out automatic operation and need not to carry out manual operation when using through the cooperation of servo motor and then lead screw and sliding seat, avoids manual unable operation to target in place to lead to the shift fork device to become invalid or the meshing problem of compacting inadequately.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

fig. 2 is a front view of the structure of the present invention.

In the figure: 1. a device housing; 2. a slide rail; 3. a bearing seat; 4. a first gear; 5. a power connecting shaft; 6. a second gear; 7. a rotating shaft; 8. a first movable shaft; 9. an L-shaped rod; 10. a third gear; 11. a slide base; 12. an external diesel engine connecting seat; 13. a travel switch device; 14. a cylinder; 15. a cross bar; 16. A movable seat; 17. an operating lever; 18. a screw rod; 19. a servo motor; 20. a second movable shaft; 21. a second connecting arm; 22. a first connecting arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a shifting fork device of a jigger of a medium-speed diesel engine comprises a device shell 1, a power connecting shaft 5 is movably installed at the top of an inner cavity of the device shell 1, a first gear 4 is fixedly sleeved on the outer surface of the power connecting shaft 5, a slide rail 2 is fixedly installed on the left side of the power connecting shaft 5 at the front of the inner cavity of the device shell 1, a slide seat 11 is slidably clamped on the outer surface of the slide rail 2, a rotating shaft 7 is movably installed on the inner side surface of the slide seat 11, a second gear 6 meshed with the first gear 4 is fixedly sleeved on the outer surface of the rotating shaft 7, a bearing seat 3 is movably installed on the outer surface of the rotating shaft 7 below the second gear 6, a third gear 10 is fixedly sleeved on the outer surface of the rotating shaft 7 below the bearing seat 3, the diameter value of the first gear 4 is larger than that of the third gear 10, the sliding rail 2 and the sliding seat 11 are arranged to enable the second gear 6 and the third gear 10 to move stably, the problem of unstable meshing can not occur in the using process, the original mode of shifting one gear is changed into the mode of combining two gears by the matching of the second gear 6 and the third gear 10, so that the problem of other gear following damage caused by gear damage can not occur in the using process of the device, the front surface of the inner cavity of the device shell 1 is movably provided with a first movable shaft 8 at the left side of the rotating shaft 7, the outer surface of the first movable shaft 8 is fixedly provided with an L-shaped rod 9, the other end of the L-shaped rod 9 is movably hinged with the left side surface of the bearing seat 3, one end of the first movable shaft 8 at the front surface of the device shell 1 is fixedly connected with a first connecting arm 22, the other end of the first connecting arm 22 is movably hinged with a second connecting arm 21, and the front surface of the device shell 1 is movably, an operating rod 17 is movably mounted on the outer surface of the second movable shaft 20, one end of the operating rod 17 is movably hinged with the other end of the second connecting arm 21, one end of the operating rod 17 is fixedly connected with a cross rod 15, the bottom of the cross rod 15 is movably hinged with a movable seat 16, a servo motor 19 is fixedly mounted on the left side surface of the device shell 1, the output end of the servo motor 19 is fixedly connected with a lead screw 18, the outer surface of the lead screw 18 is in threaded connection with the inner part of the movable seat 16, the lead screw 18 is matched with the movable seat to ensure that the cross rod 15 is self-locked and further ensure that the operating rod 17 is self-locked and further ensure that gears are tightly meshed, the device can be automatically operated without manual operation when in use through the matching of the servo motor 19, the lead screw 18 and the movable seat 16, and the problem that the shifting, the front of the device shell 1 is fixedly provided with an air cylinder 14, the front of the device shell 1 is positioned below the air cylinder 14 and is fixedly provided with a travel switch device 13, the side surface of an operating rod 17 is movably hinged with a hinged rod with the air cylinder 14 and the travel switch device 13, the travel switch device 13 is electrically connected with a servo motor 19 and the air cylinder 14, the travel switch device 13 can perform auxiliary control on the servo motor 19 and the air cylinder 14, and the bottom of the device shell 1 is fixedly provided with an external diesel engine connecting seat 12.

The working principle is that when the diesel engine needs to be turned, the gear of the diesel engine is firstly installed at the external diesel engine connecting seat 12, so that the gear of the diesel engine and the third gear 10 are located on the same horizontal plane, at this time, the servo motor 19 drives the screw rod 18 to rotate, so that the movable seat 16 moves downwards, the cross rod 15 moves downwards, the operating rod 17 rotates anticlockwise around the second movable shaft 20, the second connecting arm 21 is driven to rotate anticlockwise through the first connecting arm 22, the second connecting arm 21 drives the L-shaped rod 9 to rotate clockwise around the first movable shaft 8 through the first movable shaft 8, so that the bearing seat 3 pushes the rotating shaft 7 to move rightwards, the third gear 10, which is meshed with the second gear 6 and the first gear 4 and is not in trouble, is meshed with the diesel engine, at this time, the travel switch device 13 is started, so that the air cylinder 14 is in a static state, and the operating rod 17 cannot act, when tripping is needed, the servo motor 19 only needs to do the reverse action of the above steps.

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 medium speed diesel engine barring machine shift fork device, includes device shell (1), its characterized in that: the device is characterized in that a power connecting shaft (5) is movably mounted at the top of an inner cavity of a device shell (1), a first gear (4) is fixedly sleeved on the outer surface of the power connecting shaft (5), a sliding rail (2) is fixedly mounted on the left side of the power connecting shaft (5) in the front of the inner cavity of the device shell (1), a sliding seat (11) is connected to the outer surface of the sliding rail (2) in a sliding manner, a rotating shaft (7) is movably mounted on the inner side surface of the sliding seat (11), a second gear (6) meshed with the first gear (4) is fixedly sleeved on the outer surface of the rotating shaft (7), a bearing seat (3) is movably mounted on the outer surface of the rotating shaft (7) below the second gear (6), a third gear (10) is fixedly sleeved on the lower side of the bearing seat (3) in the outer surface of the rotating shaft (7), a first movable shaft (8) is movably mounted on the left, the outer fixed surface of first loose axle (8) installs L shape pole (9), the other end of L shape pole (9) and the left surface activity hinge joint of bearing frame (3), first loose axle (8) are located the first connecting arm (22) of the positive one end fixedly connected with of device shell (1), the other end activity hinge joint of first connecting arm (22) has second linking arm (21), the positive movable mounting of device shell (1) has second loose axle (20), the outer surface movable mounting of second loose axle (20) has action bars (17), the one end of action bars (17) and the other end activity hinge joint of second linking arm (21), the one end fixedly connected with horizontal pole (15) of action bars (17), the bottom activity hinge joint of horizontal pole (15) has movable seat (16), the left surface fixed mounting of device shell (1) has servo motor (19), the output end of the servo motor (19) is fixedly connected with a screw rod (18), and the outer surface of the screw rod (18) is connected with the inner thread of the movable seat (16).

2. The shift fork device of the turning gear of the medium speed diesel engine according to claim 1, characterized in that: the front fixed mounting of device shell (1) has cylinder (14), the front of device shell (1) is located the below fixed mounting of cylinder (14) has travel switch device (13), the side activity hinge joint of action bars (17) have with cylinder (14) and travel switch device (13) the articulated pole.

3. The shift fork device of the turning gear of the medium speed diesel engine according to claim 2, characterized in that: the travel switch device (13) is electrically connected with the servo motor (19) and the air cylinder (14).

4. The shift fork device of the turning gear of the medium speed diesel engine according to claim 1, characterized in that: the bottom of the device shell (1) is fixedly provided with an external diesel engine connecting seat (12).

5. The shift fork device of the turning gear of the medium speed diesel engine according to claim 1, characterized in that: the diameter value of the first gear (4) is larger than that of the third gear (10), and the diameter value of the first gear (4) is smaller than that of the second gear (6).