CN111188894A

CN111188894A - Phase adjustable shaft coupling

Info

Publication number: CN111188894A
Application number: CN202010146959.1A
Authority: CN
Inventors: 王浦国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-05-22

Abstract

The invention discloses a phase-adjustable coupler which comprises a shell, wherein a cavity is formed in the shell, and through holes communicated with the cavity are formed in the two ends of the shell in the radial direction. The planetary gear assembly comprises an input sun gear, an input planetary gear, a conduction planetary disc, a fixed inner gear ring, an output sun gear, an output planetary gear and a rotating inner gear ring, the input sun gear is fixedly connected with an input shaft penetrating through the shell, the input sun gear is meshed with the input planetary gear, the input planetary gear is externally meshed with the fixed inner gear ring, the fixed inner gear ring is fixedly connected with the shell, the input planetary gear is rotatably arranged on one side of the conduction planetary disc and drives the conduction planetary disc to rotate together, the other side of the conduction planetary disc is rotatably provided with the output planetary gear, the output planetary gear is externally meshed with the rotating inner gear ring, the rotating inner gear ring rotates relative to the shell under the action of the transmission assembly, the output sun gear is meshed with the middle position of the output planetary gear, and the output sun gear is fixedly connected with an output. The adjustment is convenient and fast, and the adjustment time is short.

Description

Phase adjustable shaft coupling

Technical Field

The invention relates to the technical field of mechanical transmission, in particular to a phase-adjustable coupler.

Background

The coupler is widely applied in the field of mechanical transmission, is a mechanical structure for transmitting torque, pursues a design concept of transmitting large torque by a small rotation diameter, and is a design target of various couplers in the field of mechanical transmission. In some occasions in the field of mechanical transmission, a coupler is required to be capable of realizing phase linear adjustment in the circumferential direction. The normal phase positions of an input shaft and an output shaft of the existing coupler are unchanged, when the normal phase positions need to be changed, a shell needs to be opened, the angle of a gear in the shell is adjusted, and then bolts on the shell are installed and fixed one by one. The coupler with the structure has the advantages of low phase adjustment speed, low adjustment efficiency, direct influence on production, and no contribution to improvement of product quality and production efficiency.

Disclosure of Invention

In order to overcome the above disadvantages, the present invention provides a phase adjustable coupling, which can complete the phase change without disassembling the coupling in a shutdown state.

In order to achieve the above purposes, the invention adopts the technical scheme that: the utility model provides a phase place adjustable shaft coupling, includes the casing, form the cavity that supplies planetary gear drive to place in the casing, the casing is provided with the communicating through-hole with the cavity along radial both ends, its characterized in that: the planetary gear assembly comprises an input sun gear, an input planet gear, a conduction planet disk, a fixed inner gear ring, an output sun gear, an output planet gear and a rotating inner gear ring, the input sun gear is fixedly connected with an input shaft penetrating through the shell, the input sun gear is meshed with the input planet gear, the input planet gear is externally meshed with the fixed inner gear ring, the fixed inner gear ring is fixedly connected with the shell, the input planet gear rotates and is arranged on one side of the conduction planet disk and drives the conduction planet disk to rotate together, the other side of the conduction planet disk rotates and is provided with the output planet gear, the output planet gear is externally meshed with the rotating inner gear ring, the rotating inner gear ring rotates relative to the shell under the action of the transmission assembly, the output sun gear is meshed at the middle position of the output planet gear, and the output sun gear is fixedly connected with an output shaft penetrating through the shell.

Preferably, the transmission assembly comprises a turbine motor, an output shaft of the turbine motor is connected with a transmission gear, and an outer gear meshed with the transmission gear is arranged on the outer wall of the rotating inner gear ring. The gear wheel is driven to rotate together through the turbine motor, the rotating toothed ring is driven to rotate through the meshing of the gear wheel and the outer gear, and the inner toothed ring is rotated and stopped to rotate simultaneously when the turbine motor stops rotating by utilizing the self-locking function of the turbine motor.

Preferably, the turbine motor is fixed on the shell, and an output shaft of the turbine motor extends into the cavity and is connected with a transmission gear.

Preferably, the input planetary gear and the output planetary gear are identical in structure, and the input sun gear and the output sun gear are identical in structure. The synchronous rotation of the input shaft and the output shaft is ensured under the condition that the rotating internal gear ring is fixed.

Preferably, both ends of the conduction planetary plate are in threaded connection with trunnions, and the trunnions are in rotational connection with the input planetary wheel/the output planetary wheel through bearings. The input planetary gear can rotate and can drive the conduction planetary disk to rotate, and the output planetary gear can rotate on the conduction planetary disk.

Preferably, the housing comprises a front shell and a rear shell, the front shell and the rear shell are connected through a bolt group, and the fixed internal gear is fixed in the front shell. The shell is convenient to disassemble and maintain.

The invention has the advantages that when the turbine motor stops working, the rotating inner gear ring is fixed, the input shaft and the output shaft synchronously rotate, when the phase of the output shaft is required to be changed, the turbine motor works to drive the rotating inner gear ring to rotate, the rotating speed of the transmission planetary disk is fixed, the autorotation rotating speed of the output planetary wheel can be changed, and further the rotating speed of the output sun wheel meshed with the output planetary wheel is changed, so that the output shaft rotates relative to the input shaft, and the phase of the output shaft is changed. The coupler is convenient to adjust, short in adjusting time, capable of finishing phase fine adjustment in class in a non-stop state, capable of reducing labor intensity and improving production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a side view of the combination of the conducting planet disk, the output sun gear, the output planet gears and the rotating inner ring gear.

In the figure:

1-housing, 2-cavity, 3-input sun gear, 4-input planet gear, 5-conduction planet disk, 6-fixed inner gear ring, 7-output sun gear, 8-output planet gear, 9-rotating inner gear ring, 10-input shaft, 11-output shaft, 12-turbine motor, 13-transmission gear, 14-external gear, 15-trunnion.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

Referring to fig. 1-2, the phase-adjustable coupling in this embodiment includes a housing 1, a cavity 2 is formed in the housing 1, the cavity 2 is used for placing a planetary gear transmission mechanism, and through holes communicated with the cavity 2 are disposed at two radial ends of the housing 1. The casing 1 includes preceding shell and backshell, preceding shell and backshell pass through the bolt assembly and connect the casing 1 of being convenient for and dismantle, maintain planetary gear drive mechanism.

The planetary gear assembly comprises an input sun gear 3, an input planet gear 4, a conduction planet disk 5, a fixed inner ring gear 6, an output sun gear 7, an output planet gear 8 and a rotating inner ring gear 9, wherein the input sun gear 3, the input planet gear 4 and the fixed inner ring gear 6 are positioned on one side of the conduction planet disk 5, the output sun gear 7, the output planet gear 8 and the rotating inner ring gear 9 are positioned on the other side of the conduction planet disk 5, and the input planet gear 4 and the output planet gear 8 are symmetrically arranged relative to the conduction planet disk 5.

The input sun gear 3 is fixedly connected with an input shaft 10 penetrating through the shell 1, and an external driving device drives the input shaft 10 to rotate. The input sun gear 3 is meshed with the input planet gear 4, the input planet gear 4 is externally meshed with a fixed inner gear ring 6, and the input planet gear 4 is located between the input sun gear and the fixed inner gear ring 6. The fixed inner gear ring 6 is fixedly connected with the shell 1, and the fixed inner gear ring is fixed in the front shell. The input planetary gear 4 is rotatable while revolving around the input sun gear 3. The input planetary gear 4 is rotatably arranged on one side of the transmission planetary disk 5, can rotate on the transmission planetary disk 5 and drives the transmission planetary disk 5 to rotate together. The other side of the conduction planetary plate 5 is rotatably provided with an output planetary wheel 8, the output planetary wheel 8 is externally meshed with a rotating inner gear ring 9, the rotating inner gear ring 9 can rotate under the action of a transmission assembly, namely, rotates relative to the shell 1, an output sun wheel 7 is meshed at the middle position of the output planetary wheel 8, and the output planetary wheel 8 is positioned between the output sun wheel 7 and the rotating inner gear ring. The output sun gear 7 is fixedly connected with an output shaft 11 penetrating through the shell 1, and the output shaft 11 drives external equipment to rotate.

The input planet wheel 4 and the output planet wheel 8 have the same structure, the same gear number and diameter, the same structure of the input sun wheel 3 and the output sun wheel 7, and the same gear number and diameter. The fixed inner ring gear 6 and the rotating inner ring gear 9 have the same number of inner gear teeth, and the input shaft 10 and the output shaft 11 are ensured to rotate synchronously under the condition that the rotating inner ring gear 9 is fixed. The input planet gears 4 and the output planet gears 8 are preferably four, the input planet gears 4 being arranged uniformly around the input sun gear 3.

The transmission assembly comprises a turbine motor 12, the output end of the turbine motor 12 is connected with a transmission gear 13, and an outer gear 14 meshed with the transmission gear 13 is arranged on the outer wall of the rotating inner gear ring 9. The transmission gear 13 and the external gear 14 are both tapered teeth. The transmission gear 13 is driven by the turbine motor 12 to rotate together, and the transmission gear 13 is meshed with the outer gear 14 to drive the rotating inner gear ring 9 to rotate. The outer diameter of the rotating inner gear ring 9 is provided with a bearing between the shell 1, so that the rotating inner gear ring 9 can rotate relative to the shell 1 conveniently. By the self-locking function of the turbine motor 12, when the turbine motor 12 stops rotating, the inner ring gear 9 is rotated and stopped. The turbine motor 12 is fixed on the shell 1, and the output end of the turbine motor 12 extends into the cavity 2 and is connected with the transmission gear 13.

Both ends on the conduction planet disk 5 are in threaded connection with trunnions 15, and the trunnions 15 are in rotary connection with the input planet wheel 4/the output planet wheel 8 through bearings. The input planetary gear 4 can rotate and can drive the transmission planetary disk 5 to rotate, and the output planetary gear 8 can rotate on the transmission planetary disk 5.

When the turbine motor 12 stops working, the rotating inner gear ring 9 is fixed at the moment due to the self-locking function of the turbine motor 12, and the input shaft 10 and the output shaft 11 rotate synchronously. When the phase of the output shaft 11 needs to be changed, the turbine motor 12 works to drive the rotating inner gear ring 9 to rotate, the rotating speed of the transmission planetary disk 5 is fixed, the autorotation rotating speed of the output planetary wheel 8 can be changed, and then the rotating speed of the output sun wheel 7 meshed with the output planetary wheel 8 is changed, so that the output shaft 11 rotates relative to the input shaft 10, and the phase of the output shaft 11 is changed. The coupler is convenient to adjust, short in adjusting time, capable of finishing phase fine adjustment in class in a non-stop state, capable of reducing labor intensity and improving production efficiency.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a phase place adjustable shaft coupling, includes casing (1), form cavity (2) that supply planetary gear drive to place in casing (1), casing (1) is provided with the communicating through-hole with the cavity along radial both ends, its characterized in that: the planetary gear assembly comprises an input sun gear (3), an input planet gear (4), a conduction planet disk (5), a fixed inner gear ring (6), an output sun gear (7), an output planet gear (8) and a rotating inner gear ring (9), wherein the input sun gear (3) is fixedly connected with an input shaft (10) penetrating through a shell (1), the input sun gear (3) is meshed with the input planet gear (4), the input planet gear (4) is externally meshed with the fixed inner gear ring (6), the fixed inner gear ring (6) is fixedly connected with the shell (1), the input planet gear (4) is rotatably arranged on one side of the conduction planet disk (5) and drives the conduction planet disk (5) to rotate together, the other side of the conduction planet disk (5) is rotatably provided with the output planet gear (8), the output planet gear (8) is externally meshed with the rotating inner gear ring (9), the rotating inner gear ring (9) rotates automatically under the action of the transmission assembly, an output sun gear (7) is meshed in the middle of the output planet gear (8), and the output sun gear (7) is fixedly connected with an output shaft (11) penetrating through the shell (1).

2. A phase adjustable coupling according to claim 1, wherein: the transmission assembly comprises a turbine motor (12), the output end of the turbine motor (12) is connected with a transmission gear (13), and an outer gear (14) meshed with the transmission gear (13) is arranged on the outer wall of the rotating inner gear ring (9).

3. A phase adjustable coupling according to claim 2, wherein: the turbine motor (12) is fixed on the shell (1), and the output end of the turbine motor (12) extends into the cavity (2) and is connected with a transmission gear.

4. A phase adjustable coupling according to claim 1, wherein: the input planetary gear (4) and the output planetary gear (8) are identical in structure, and the input sun gear (3) and the output sun gear (7) are identical in structure.

5. A phase adjustable coupling according to claim 1, wherein: the two ends of the conduction planetary plate (5) are in threaded connection with trunnions (15), and the trunnions (15) are in rotary connection with the input planetary wheel (4)/the output planetary wheel (8) through bearings.

6. A phase adjustable coupling according to claim 1, wherein: the shell (1) comprises a front shell and a rear shell, the front shell and the rear shell are connected through a bolt set, and the fixed inner gear ring (6) is fixed in the front shell.