CN218913521U

CN218913521U - Double-engine parallel operation dynamic row-connecting gear box

Info

Publication number: CN218913521U
Application number: CN202223321234.5U
Authority: CN
Inventors: 胡国顺; 封富顺; 穆晓宁; 刘彦波; 李军; 张小莲; 王晓琴
Original assignee: Chongqing Gearbox Co Ltd
Current assignee: Chongqing Gearbox Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a double-machine parallel operation dynamic row-connecting gear box, which comprises two driving mechanisms capable of driving a water pump to rotate simultaneously, wherein an output shaft of the water pump is meshed with an auxiliary device, and the auxiliary device can drive the water pump to rotate; the clutch is arranged in the driving mechanism, the clutch is axially provided with a driving end and a driven end which can be separated to be in asynchronous rotation, the driving end is connected with the host, and the driven end synchronously rotates with the water pump in a gear meshing mode. According to the utility model, before the driving end and the driven end of the clutch are connected and arranged, the auxiliary device is started to drive the water pump to rotate, and the driven end and the water pump synchronously rotate through gear engagement, so that the driven end also rotates along with the auxiliary device and the water pump; meanwhile, the host drives the driving end to rotate, when the rotating speed of the driven end reaches a specified value, the connection of the clutch is carried out, and the host drives the water pump to rotate through the clutch after the connection, so that torque transmission is realized, and the phenomenon that the transient impact force of the static connection to the clutch is overlarge is avoided.

Description

Double-engine parallel operation dynamic row-connecting gear box

Technical Field

The utility model relates to a gear box, in particular to a double-locomotive parallel dynamic row-connection gear box.

Background

With the vigorous development of civil ship markets, the power demands of the ship markets on the gearbox main engine for the multi-plate wet friction clutch double-engine parallel operation ship are larger and larger, and the gearbox main engine is mainly used for large bulk carriers, dredgers, ocean fishing boats and the like, and has the clutch demands of a main pushing double-engine parallel operation large-torque power device and the large-torque clutch demands of auxiliary machines such as a water pump double-engine parallel operation.

At present, most of small and medium-sized multi-plate wet friction clutches used for double-engine parallel operation on large domestic ships need to be developed, and a double-engine parallel operation gearbox suitable for transmitting ultra-large torque and provided with a clutch device is required to be developed, so that the requirements of the civil ship market on higher and higher power torque are met; the ultra-high power host of the double-engine parallel operation gearbox means that the water pumps connected with the output part of the gearbox have ultra-high rotational inertia, and the corresponding required starting moment is also very high.

Disclosure of Invention

The utility model aims at: aiming at the problem that the oversized device in the prior art cannot realize the static row connection function, so that the oversized rotating moment cannot be transmitted, and the corresponding device cannot be started, the double-engine parallel operation dynamic row connection gearbox capable of dynamically connecting rows to reduce the impact force received by a clutch is provided.

In order to achieve the above object, the present utility model provides the following technical solutions:

the double-engine parallel operation dynamic row-connecting gear box comprises two driving mechanisms capable of driving the water pump to rotate simultaneously, wherein an auxiliary device is meshed with an output shaft of the water pump and can drive the water pump to rotate; the clutch is arranged in the driving mechanism, the clutch is axially provided with a driving end and a driven end which can be separated to be in asynchronous rotation, the driving end is connected with the host, and the driven end synchronously rotates with the water pump in a gear meshing mode.

According to the utility model, before the driving end and the driven end of the clutch are connected and arranged, the auxiliary device is started to drive the water pump to rotate, and the driven end and the water pump are meshed through the gears to realize synchronous rotation, so that the driven end also rotates along with the auxiliary device and the water pump; meanwhile, the host drives the driving end to rotate, when the rotating speed of the driven end reaches a specified value, the connection of the clutch is carried out, and the host drives the water pump to rotate through the clutch after the connection, so that torque transmission is realized, the phenomenon that the transient impact force of the static connection to the clutch is overlarge is avoided, the protection to the clutch is enhanced, and the service life of the clutch is prolonged.

Further, the driving end and the driven end are respectively provided with a driving shaft and a driven shaft which are coaxial, and the clutch is arranged in the box body. The driving end and the driven end are coaxially arranged, and are respectively provided with a driving shaft and a driven shaft, so that torque transmission is facilitated, and combination and separation of the driving end and the driven end are facilitated.

Further, the driving shaft and the driven shaft extend out of the box body through rolling bearings. The stability is good.

Further, the water pump is located outside the box body and is rigidly connected with the output shaft through a flange, and the output shaft part extends into the box body and is abutted with the box body through a sliding bearing. The output shaft stretches into the box, is convenient for be connected with the clutch, and slide bearing guarantees output shaft pivoted stability.

Further, the driving shaft, the driven shaft and the box body are positioned through two axial rolling bearings, and the output shaft and the box body are positioned through two axially arranged sliding bearings. The axial positioning effect of the two bearings is good, and the stability is good.

Further, the outer end face of the rolling bearing is provided with a pin groove and used for placing a stop pin, and the stop pin is fixed or clamped in the box body. The running ring of the outer ring of the rolling bearing is prevented from moving, so that the transmission of the clutch is stable, and the reliability and maintainability of a driving shaft and a driven shaft of the clutch are effectively improved.

Further, the pin groove is formed in the end portion of the rolling bearing, and the cross section of the pin groove is triangular. The pin grooves are formed conveniently, and the outer rings of the positions of the rolling bearings are fixed conveniently.

Further, an output driven gear is arranged on the output shaft, an output driving gear is arranged on the driven shaft, and the output driven gear is meshed with the output driving gear. The output driven gear is meshed with the output driving gear, and can transmit torque of an auxiliary device or a main machine.

Further, the auxiliary device is provided with an auxiliary driving gear, and the output shaft is provided with an auxiliary driven gear; the auxiliary driving gear is meshed with the auxiliary driven gear and drives the water pump to rotate.

Further, the two driving mechanisms are symmetrically distributed on two sides of the water pump, and the three driving mechanisms are axially arranged in parallel. By adjusting the number of the connecting rows of the clutches, single-machine output or double-machine output of the device can be realized, so that the requirements of different working conditions can be met.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

before the driving end and the driven end of the clutch are connected and arranged, the auxiliary device is started to drive the water pump to rotate, and the driven end is meshed with the water pump, so that the driven end also rotates along with the auxiliary device and the water pump; meanwhile, the host drives the driving end to rotate, when the rotating speed of the driven end reaches a specified value, the connection of the clutch is carried out, and the host drives the water pump to rotate through the clutch after the connection, so that torque transmission is realized, the transient impact force of the static connection on the clutch is avoided, the protection of the clutch is enhanced, and the service life of the clutch is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structure of a dual-locomotive parallel dynamic row gearbox of the present utility model.

Fig. 2 shows a detailed schematic of the clutch of fig. 1.

Wherein the above figures include the following reference numerals:

10, a water pump; 20 output shafts; 21 auxiliary driven gears; 22 output driven gears;

30 auxiliary devices; 31 auxiliary driving gear;

40 a drive end; 41 driving shaft;

50 a driven end; 51 driven shaft; 52 output drive gear;

60 host computers; 70 a box body; 71 a rolling bearing; 72 sliding bearings;

81 pin slots; 82 stop pins.

Detailed Description

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In specific use, as shown in fig. 1 and 2, the auxiliary driving gear 31 is driven to rotate by starting the auxiliary device 30, and the auxiliary driving gear 31 drives the auxiliary driven gear 21 meshed with the auxiliary driving gear 31 to rotate so as to drive the output shaft 20 and the water pump 10 to rotate; the output shaft 20 is provided with an output driven gear 22 and is meshed with an output driving gear of the clutch so as to drive a driven end 50 of the clutch to rotate; meanwhile, the main machine 60 drives the driving end 40 of the clutch to rotate, when the rotation speed of the driven end 50 reaches a specified value, the connection and the discharge of the driving end 40 and the driven end 50 of the clutch are carried out, and after the connection and the discharge, the main machine 60 drives the water pump 10 to rotate through the clutch so as to realize the transmission of torque.

When the clutches are connected, as the device is provided with two driving mechanisms, and each driving mechanism is provided with a clutch, the number of the clutches connected can be controlled, and single-machine output or double-machine output can be realized; during the double-machine output, the rotation speed difference of the two main machines 60 is controlled within a certain range, and then the connection and the discharge of the clutch are performed, so as to realize the working condition of the double-machine output of the water pump 10.

By using the clutch device, the output shaft 20 part is connected with the row connecting auxiliary device 30 (pneumatic motor) through the auxiliary gear pair, the output shaft 20 part is driven to the required rotating speed after the row connecting auxiliary device 30 is started, the dynamic row connection of the clutch can be realized, the clutch row connection is smooth and has small impact during the dynamic row connection, the service life of the clutch device can be greatly prolonged, and the reliability of the gear box is improved. The rolling bearing 71 adopts a customized structure with an open groove, so that the running ring (circumferential movement) of the outer ring of the rolling bearing 71 after the clutch device rotates for a long time under heavy load and high torque can be well prevented, the stability of the rolling bearing 71 in long-time operation is improved, the clutch device is enabled to drive stably, and the reliability and maintainability of the driving shaft and the driven shaft 51 of the clutch are effectively improved.

As shown in fig. 1 and fig. 2, a dual-engine parallel operation dynamic row-connecting gear box comprises two driving mechanisms capable of driving a water pump 10 to rotate simultaneously, an auxiliary device 30 is meshed with an output shaft 20 of the water pump 10, and the auxiliary device 30 can drive the water pump 10 to rotate; the driving mechanism is internally provided with a clutch, the clutch is axially provided with a driving end 40 and a driven end 50 which can be separated to be in asynchronous rotation, the driving end 40 is connected with a host 60, and the driven end 50 synchronously rotates with the water pump 10 in a gear engagement mode.

According to the utility model adopting the technical scheme, before the driving end 40 and the driven end 50 of the clutch are connected, the auxiliary device 30 is started to drive the water pump 10 to rotate, and the driven end 50 and the water pump 10 are meshed through gears to realize synchronous rotation, so that the driven end 50 also rotates along with the auxiliary device 30 and the water pump 10; meanwhile, the host 60 drives the driving end 40 to rotate, when the rotating speed of the driven end 50 reaches a specified value, the connection of the clutch is carried out, and after the connection, the host 60 drives the water pump 10 to rotate through the clutch, so that torque transmission is realized, the phenomenon that the instantaneous impact force of the static connection to the clutch is overlarge is avoided, the protection to the clutch is enhanced, and the service life of the clutch is prolonged.

Further, the driving end 40 and the driven end 50 are respectively provided with a driving shaft 41 and a driven shaft 51 which are coaxial, and the clutch is arranged in the box 70. The driving end 40 and the driven end 50 are coaxially arranged, and are respectively provided with a driving shaft 41 and a driven shaft 51, so that torque transmission is facilitated, and the combination and separation of the driving end 40 and the driven end 50 are facilitated.

Further, the driving shaft 41 and the driven shaft 51 are each extended from the inside of the case 70 via the rolling bearing 71. The stability is good.

Further, the water pump 10 is located outside the housing 70 and is rigidly connected to the output shaft 20 via a flange, and the output shaft 20 partially extends into the housing 70 and abuts against the housing 70 via a sliding bearing 72. The output shaft 20 extends into the housing 70 for connection to a clutch, and the slide bearing 72 ensures rotational stability of the output shaft 20.

Further, the driving shaft 41, the driven shaft 51 and the casing 70 are each positioned by two rolling bearings 71 in the axial direction, and the output shaft 20 and the casing 70 are positioned by two sliding bearings 72 provided in the axial direction. The axial positioning effect of the two bearings is good, and the stability is good.

Further, the outer end surface of the rolling bearing 71 is provided with a pin groove 81 for placing a stopper pin 82, and the stopper pin 82 is fixed or clamped in the case 70. The outer ring running ring of the rolling bearing 71 is prevented from moving, so that the transmission of the clutch is stable, and the reliability and maintainability of the clutch driving shaft 41 and the clutch driven shaft 51 are effectively improved.

Further, a pin groove 81 is formed in an end portion of the rolling bearing 71, and a cross section of the pin groove 81 is triangular. The pin grooves 81 are formed to facilitate fixing of the outer ring of the position of the rolling bearing 71.

Further, an output driven gear 22 is provided on the output shaft 20, an output driving gear is provided on the driven shaft 51, and the output driven gear 22 is meshed with the output driving gear. The output driven gear 22 meshes with the output driving gear to transmit torque of the auxiliary device 30 or the main machine 60.

Further, the auxiliary device 30 is provided with an auxiliary driving gear 31, and the output shaft 20 is provided with an auxiliary driven gear 21; the auxiliary driving gear 31 is meshed with the auxiliary driven gear 21 and drives the water pump 10 to rotate.

Further, the two driving mechanisms are symmetrically distributed on two sides of the water pump 10, and the three driving mechanisms are axially arranged in parallel. By adjusting the number of the connecting rows of the clutches, single-machine output or double-machine output of the device can be realized, so that the requirements of different working conditions can be met.

The scope of the utility model is not to be limited by the embodiments described above, but by the appended claims and their equivalents.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The double-engine parallel operation dynamic row-connecting gear box is characterized by comprising two driving mechanisms capable of driving a water pump (10) to rotate simultaneously, wherein an auxiliary device (30) is meshed with an output shaft (20) of the water pump (10), and the auxiliary device (30) can drive the water pump (10) to rotate; the clutch is arranged in the driving mechanism, a driving end (40) and a driven end (50) which can be separated to be in asynchronous rotation are axially arranged in the clutch, the driving end (40) is connected with a host (60), and the driven end (50) and the water pump (10) synchronously rotate in a gear meshing mode.

2. The double-locomotive parallel operation dynamic row gearbox according to claim 1, wherein the driving end (40) and the driven end (50) are respectively provided with a coaxial driving shaft (41) and a coaxial driven shaft (51), and the clutch is arranged in the box body (70).

3. The dual parallel operation dynamic row gearbox according to claim 2, wherein the driving shaft (41) and the driven shaft (51) extend out of the box body (70) through rolling bearings (71).

4. A twin-locomotive parallel operation dynamic joint gear box according to claim 3, characterized in that the water pump (10) is located outside the box (70) and is rigidly connected with the output shaft (20) through a flange, and the output shaft (20) extends into the box (70) and is abutted with the box (70) through a sliding bearing (72).

5. The double parallel operation dynamic row gearbox according to claim 4, wherein the driving shaft (41), the driven shaft (51) and the box body (70) are all positioned through two axial rolling bearings (71), and the output shaft (20) and the box body (70) are positioned through two axially arranged sliding bearings (72).

6. A two-machine parallel operation dynamic row gearbox according to claim 3, characterized in that the outer end surface of the rolling bearing (71) is provided with a pin groove (81) and is used for placing a stop pin (82), and the stop pin (82) is fixed or clamped in the box body (70).

7. The double-locomotive parallel operation dynamic row gearbox according to claim 6, wherein the pin groove (81) is formed at the end part of the rolling bearing (71), and the cross section of the pin groove (81) is triangular.

8. The double-locomotive parallel operation dynamic row gearbox according to claim 2, wherein an output driven gear (22) is arranged on the output shaft (20), an output driving gear (52) is arranged on the driven shaft (51), and the output driven gear (22) is meshed with the output driving gear (52).

9. The double-locomotive parallel operation dynamic row gearbox according to claim 1, wherein the auxiliary device (30) is provided with an auxiliary driving gear (31), and the output shaft (20) is provided with an auxiliary driven gear (21); the auxiliary driving gear (31) is meshed with the auxiliary driven gear (21) and drives the water pump (10) to rotate.

10. The double-locomotive parallel operation dynamic row-connection gearbox according to claim 1, wherein two driving mechanisms are symmetrically distributed on two sides of the water pump (10), and the three driving mechanisms are axially arranged in parallel.