CN117381698A - High-precision gear ring rotation driving device - Google Patents

Abstract

The application discloses a high-precision gear ring rotary driving device, which relates to the technical field of assembly tools and comprises a frame, a base, two fixing seats, a plurality of first driving assemblies and a plurality of second driving assemblies; the base is connected with the frame in a sliding way; the fixed seat is connected with the base in a sliding way; the rotary assembly comprises a servo motor, a driving gear, a driven gear ring and a follow-up ring, wherein the servo motor drives the driving gear to rotate, the driven gear ring is meshed with the driving gear, the driving gear rotates to drive the driven gear ring to rotate, and the follow-up ring can rotate relative to the corresponding fixing seat; the device also comprises two clamps, wherein the two clamps are respectively arranged on the two driven gear rings. According to the steering engine assembling device, the working efficiency of assembling the steering engine on the rear equipment cabin can be improved, the labor cost is reduced, and meanwhile, the accuracy of the assembling position of the steering engine on the rear equipment cabin can be improved.

Description

High-precision gear ring rotation driving device

Technical Field

The application relates to the technical field of assembly tools, in particular to a high-precision gear ring rotation driving device.

Background

The steering engine is a position (angle) servo driver, is suitable for control systems which need angle to be changed continuously and can be kept, and has wide application fields (such as ships and the like).

In the prior art, four steering engines are required to be assembled on the circumferential side wall of a rear equipment cabin (similar to a hollow cylinder) of a ship, and the four steering engines are respectively distributed on four quadrant positions of the circumferential side wall of the rear equipment cabin.

In the prior art, when a steering engine is assembled on a backward equipment cabin, the backward equipment cabin is required to be rotatably installed on an assembly tool, the manual operation is used for controlling the rotation of the backward equipment cabin, so that the backward equipment cabin sequentially rotates to four assembly positions, and once the backward equipment cabin rotates to one assembly position, the steering engine is manually installed on the position, to be assembled, of the backward equipment cabin.

Above-mentioned in-process is rotated and is assembled the steering wheel on back equipment compartment by artifical manual control back equipment compartment, and not only work efficiency is low, and the cost of labor is big, and manual control back equipment compartment pivoted position accuracy is difficult to control moreover, will influence the accuracy of the mounted position on the back equipment compartment of follow-up steering wheel installation.

Disclosure of Invention

The application provides a high accuracy ring gear rotary driving device can improve the work efficiency of assembly steering wheel on back equipment compartment, reduce the cost of labor, can improve the steering wheel simultaneously and assemble the accuracy of position on back equipment compartment.

The application provides a high accuracy ring gear rotary drive device adopts following technical scheme:

a high-precision gear ring rotary driving device comprises a frame, a base, two fixing seats, a plurality of first driving components and a plurality of second driving components;

the base is connected with the frame in a sliding manner along the vertical direction, and the plurality of first driving components drive the base to slide; the fixed seat is connected with the base in a sliding way along the horizontal direction, the two fixed seats are parallel to each other, the sliding directions of the two fixed seats are also parallel to each other, and the second driving components drive the two fixed seats to slide respectively;

the rotary assembly is arranged on the fixed seat; the rotary assembly comprises a servo motor, a driving gear, a driven gear ring and a follow-up ring, wherein the servo motor is arranged on one fixed seat, the driving gear is connected with the servo motor, and the servo motor drives the driving gear to rotate; the driven gear ring is positioned between the two fixed seats, the driven gear ring is meshed with the driving gear, the driving gear rotates to drive the driven gear ring to rotate, and the rotation axis of the driven gear ring is parallel to the sliding direction of the fixed seats; the follow-up ring is arranged on the other fixed seat, the follow-up ring can rotate relative to the corresponding fixed seat, and the rotation axis of the follow-up ring coincides with the rotation axis of the driven gear ring;

the device also comprises two clamps, wherein the two clamps are respectively arranged on the driven gear ring and the follow-up ring, and the two clamps are both positioned between the driven gear ring and the follow-up ring.

By adopting the technical scheme, after the rear equipment cabin is conveyed to the frame, the first driving assembly drives the base to move downwards, the second driving assembly drives the two fixing seats to slide so that the rear equipment cabin is clamped by the two clamps, and the first driving assembly drives the base to move upwards so as to drive the rear equipment cabin to move to a position state of a steering engine to be installed; then, the rotating assembly drives the rear equipment cabin to sequentially rotate to a position state where the steering engine is to be installed with higher control precision, and automatic assembly equipment (such as a robot) is used for assembling the steering engine on the rear equipment cabin; the working efficiency of assembling the steering engine on the rear equipment cabin can be improved, the labor cost is reduced, and meanwhile, the accuracy of the assembling position of the steering engine on the rear equipment cabin can be improved.

Optionally, the rotating assembly further includes a plurality of limiting pieces, and the plurality of limiting pieces are respectively disposed on the two fixing seats and are respectively located at the inner side of the driven gear ring and the outer side of the follower ring; the driven gear ring is provided with an annular guide rail, and the axis of the annular guide rail coincides with the rotation axis of the driven gear ring; the limiting piece is provided with grooves, the annular guide rail is simultaneously matched with the grooves on the limiting piece in a clamping way, and the limiting piece limits the driven gear ring to displace relative to the fixing seat along the radial direction and the axial direction; the outer side end part of the follow-up ring is also matched with a plurality of grooves on the limiting piece in a clamping mode, and the limiting piece limits the follow-up ring to displace relative to the fixing base along the radial direction and the axial direction.

Through adopting above-mentioned technical scheme, driven ring gear rotatory in-process and follow-up circle in-process of rotating thereupon, both are restricted by the locating piece along axial direction and radial direction's removal, make both have better circumferential direction's positioning accuracy to can improve rotatory subassembly control back equipment compartment pivoted position accuracy.

Optionally, the locating part with the fixing base rotates to be connected, the axis of rotation of locating part with driven ring gear's axis of rotation is parallel.

Through adopting above-mentioned technical scheme, can reduce the resistance that the locating part caused driven ring gear rotation and follower rotation along with it to can reduce the wearing and tearing between driven ring gear and the locating part, the wearing and tearing between follower and the locating part and the wearing and tearing between driven ring gear and the driving gear, and then can guarantee rotatory subassembly control back equipment compartment pivoted position accuracy.

Optionally, the plurality of limiting pieces are arranged on the fixed seat in a circumferential array with the axis of the driven gear ring as an axis.

Through adopting above-mentioned technical scheme, make a plurality of locating parts play spacing effort to driven ring gear and follower circle on annular guide and follow-up circle distribute more evenly to can reduce driven ring gear and follower circle because of the uneven probability of deformation wearing and tearing of atress, extension annular guide and follower circle's life, and then can further guarantee rotatory subassembly control back equipment compartment pivoted position accuracy.

Optionally, the limiting part is detachably connected with an abutting pad for abutting against the annular guide rail, and the abutting pad is located in the groove.

Through adopting above-mentioned technical scheme, the butt pad replaces locating part and annular guide rail and follower contact, can reduce annular guide rail and follower because of the wearing and tearing that take place with locating part direct contact, butt pad easy dismounting simultaneously makes things convenient for the locating part to stabilize and plays spacing effect to driven ring gear and follower.

Optionally, the abutment pad has elasticity, and the abutment pad is pressed by the annular guide rail when contacting with the annular guide rail.

Through adopting above-mentioned technical scheme, can further reduce the wearing and tearing that annular guide rail and follower and locating part contact take place, can further improve the spacing effect of locating part to driven ring gear and follower simultaneously.

Optionally, there is the interval between the annular guide rail with the anchor clamps, just driven ring gear with also there is the interval between the fixing base.

By adopting the technical scheme, the influence of the reaction force of the clamping force on the annular guide rail when the equipment cabin is clamped by the clamp can be reduced, so that the abrasion speed of the annular guide rail can be reduced; meanwhile, the abrasion between the rotation of the driven gear ring and the fixed seat can be reduced, so that the abrasion speed of the driven gear ring can be further reduced.

Optionally, the anchor clamps include a plurality of frock boards and a plurality of locating pin, set up on the frock board with the dodge groove of back equipment compartment end structure looks adaptation, just the locating pin can with the locating hole grafting cooperation of back equipment compartment end.

Through adopting above-mentioned technical scheme, can further improve the centre gripping effect of anchor clamps to back equipment compartment to improve the relative position stability of back equipment compartment when rotatory subassembly control back equipment compartment rotates, be convenient for rotatory subassembly carries out the rotation regulation of high accuracy to back equipment compartment.

Optionally, the second driving assembly includes a rotating block and two connecting rods, the rotating block is located between the two fixing seats, the rotating block is rotationally connected with the base, and a rotation axis of the rotating block is horizontal and perpendicular to a sliding direction of the fixing seats; the two ends of the connecting rod are hinged with the rotating block and the fixed seat respectively, and the rotating block can drive the two fixed seats to reversely and synchronously slide.

Through adopting above-mentioned technical scheme, the control rotatory piece rotates and can drive two fixing bases reverse synchronous slip through two connecting rods to when can making the back equipment compartment by anchor clamps centre gripping, the back equipment compartment is balanced to the reaction force of two fixing bases, and then reduces two driven ring gears and lead to driven ring gears or follow-up ring impaired probability of aggravating because of the atress is uneven.

Optionally, the device further comprises a plurality of telescopic auxiliary components, wherein the auxiliary components are located between the two fixing seats, two ends of each auxiliary component are respectively connected with the two fixing seats, and the auxiliary components can stretch and retract along with the sliding of the two fixing seats.

Through adopting above-mentioned technical scheme, after the back equipment compartment is by the centre gripping, auxiliary assembly can make two fixing bases keep in the centre gripping position to can assist two anchor clamps to maintain the stability to the centre gripping of back equipment compartment.

In summary, the present application includes at least one of the following beneficial effects:

1. the working efficiency of assembling the steering engine on the rear equipment cabin can be improved, the labor cost is reduced, and meanwhile, the accuracy of the assembling position of the steering engine on the rear equipment cabin can be improved;

2. the clamping effect on the rear equipment cabin can be improved, the rotation assembly can conveniently control the rear equipment cabin to rotate with high precision, and the position accuracy of the rear equipment cabin after rotation is improved, so that the accuracy of the assembly position of the steering engine on the rear equipment cabin can be improved;

3. the high-precision rotation control of the rear equipment compartment is realized in a gear transmission mode, and the driven gear ring and the follow-up ring are limited by a plurality of limiting pieces to move along the axial direction and the radial direction, so that the driven gear ring and the follow-up ring have better positioning precision in the circumferential direction, and the rotation precision of the rear equipment compartment controlled by the rotating assembly can be further improved;

4. the abrasion of the driven gear ring and the follow-up ring in the use process of the rotating assembly can be reduced, so that the rotating assembly can be further ensured to control the rear equipment compartment to rotate with high precision.

Drawings

FIG. 1 is a schematic view of a high precision gear ring rotary drive according to an embodiment of the present application;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a schematic structural view of a fixing seat where the driven gear ring is located in the embodiment of the present application;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a cross-sectional view of the mating portion of the annular rail and the stopper taken along line B-B in fig. 5.

Reference numerals illustrate: 1. a frame; 2. a base; 3. a fixing seat; 31. a through hole; 4. a first drive assembly; 5. a second drive assembly; 51. a driving motor; 52. a rotating block; 53. a connecting rod; 6. a rotating assembly; 61. a servo motor; 62. a drive gear; 63. a driven gear ring; 631. an annular guide rail; 64. a follow-up ring; 65. a limiting piece; 651. a groove; 66. a contact pad; 7. a clamp; 71. a tooling plate; 711. an avoidance groove; 72. a positioning pin; 8. an auxiliary component; 9. and a reinforcing plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

Referring to fig. 1 and 2, the embodiment of the application discloses a high-precision gear ring rotation driving device, which is used in cooperation with an automatic transportation device for transporting a rear equipment compartment and an automatic assembly device for assembling a steering engine on the rear equipment compartment. After the automatic transportation equipment sends the rear equipment cabin to the high-precision gear ring rotary driving device in a position state to be clamped, the high-precision gear ring rotary driving device clamps the rear equipment cabin and then controls the rear equipment cabin to move to the position of the steering engine to be assembled, then the high-precision gear ring rotary driving device controls the rear equipment cabin to rotate to the position state of the steering engine to be assembled, and the steering engine is assembled on the rear equipment cabin by the automatic assembly equipment. In this embodiment, the automated transport apparatus is preferably an AGV cart, and the automated assembly apparatus is preferably a programmed robot; because the AGV and the robot controlled by the program are common prior art, they are not described in detail herein, and the description thereof is omitted in the drawings.

In addition, in the present embodiment, the rear equipment compartment is not further limited, and the rear equipment compartment is omitted from the drawing.

The high-precision gear ring rotary driving device comprises a frame 1, a base 2, two fixing seats 3, a plurality of first driving assemblies 4, a plurality of second driving assemblies 5, a rotary assembly 6 and two clamps 7.

The machine frame 1 is used for providing support for the high-precision gear ring rotary driving device, the machine frame 1 is vertically installed on the ground, and the bottom of the machine frame 1 is fixedly connected with the ground.

In this embodiment, the frame 1 is preferably a rectangular parallelepiped, and the height direction of the frame 1 is perpendicular to the ground after the frame is installed on the ground.

The base 2 is installed on one side of the frame 1, and the base 2 is in sliding connection with the frame 1 along the vertical direction. A plurality of first driving assemblies 4 are mounted on the top of the frame 1 and are used for controlling the base 2 to slide along the vertical direction relative to the frame 1. In this embodiment, the high-precision gear ring rotation driving device preferably includes two first driving assemblies 4, and the first driving assemblies 4 are preferably cylinders; the piston rod of the first driving component 4 is fixedly connected with the base 2 above the base 2, so as to control the base 2 to slide along the vertical direction relative to the frame 1. In other embodiments, the first driving assembly 4 may also be a screw transmission structure driven by a motor, or the like.

In this embodiment, the base 2 is preferably in a rectangular plate-like structure, and after the base 2 is mounted on the frame 1, the longitudinal direction of the base 2 is parallel to the longitudinal direction of the frame 1, and the width direction of the base 2 is parallel to the sliding direction of the base 2.

Further, preferably, two rails are fixedly mounted on the frame 1, and the length direction of the rails is parallel to the height direction of the frame 1. The two tracks are matched with the base 2 and used for guiding the base 2 to slide along the vertical direction relative to the frame 1, so that the stability of the first driving assembly 4 driving the base 2 to slide is improved.

The process of the first driving component 4 driving the base 2 to slide relative to the frame 1 has a limitation, and needs to be satisfied when the first driving component 4 drives the base 2 to slide downwards to a limit position or not to the limit position, and at this time, a rear equipment cabin transported by the automated transportation equipment can be just located in a position state to be clamped for the high-precision gear ring rotary driving device.

The fixing base 3 is installed in the base 2 and deviates from the one side of frame 1, and two fixing bases 3 are installed in the both ends of base 2 length direction respectively. The second driving components 5 are mounted on the base 2 and located between the two fixing seats 3. In this embodiment, the high-precision ring gear rotary drive preferably includes a second drive assembly 5.

In this embodiment, the fixing base 3 is preferably configured in a plate-like structure as a whole and is mounted in a vertical state on the base 2.

The second driving assembly 5 includes a rotating block 52, two links 53, and a driving motor 51.

The rotating block 52 is rotatably mounted on one side of the base 2 facing away from the frame 1, the rotating axis of the rotating block 52 is horizontal and perpendicular to the sliding direction of the base 2, and the mounting position of the rotating block 52 on the base 2 is centered.

The two connecting rods 53 are respectively located between the rotating block 52 and the two fixed seats 3, two ends of each connecting rod 53 are respectively hinged with the rotating block 52 and the adjacent fixed seats 3, and the rotation axes of the connecting rods 53 and the rotating block 52 and the rotation axes of the connecting rods 53 and the fixed seats 3 are parallel to the rotation axis of the rotating block 52.

The driving motor 51 is fixedly installed on one side, close to the frame 1, of the base 2, the frame 1 is provided with a yielding space for installing the driving motor 51, and when the base 2 slides along the vertical direction, the yielding space is enough for the driving motor 51 to slide along with the base 2 so as to move. In this embodiment, the driving motor 51 is preferably a servo motor 61, and an output shaft of the driving motor 51 penetrates through the base 2 and is fixedly connected with the rotating block 52, so as to drive the rotating block 52 to rotate relative to the base 2.

The fixed seat 3 is connected with the base 2 in a sliding way, and the sliding direction of the fixed seat 3 is parallel to the length direction of the base 2. When the rotating block 52 rotates, the two fixing bases 3 can be driven to slide relative to the base 2 by the two connecting rods 53, at this time, the two fixing bases 3 slide relative to the base 2 reversely and synchronously, and the space between the two fixing bases 3 and the rotating block 52 is kept equal.

Further, two rails are preferably fixedly mounted on the base 2, and the length direction of the rails is parallel to the length direction of the base 2. The two tracks are matched with the fixed seat 3 and used for guiding the fixed seat 3 to slide along the horizontal direction relative to the base 2, so that the stability of the second driving assembly 5 for driving the fixed seat 3 to slide is improved.

The process that the second driving assembly 5 drives the two fixing bases 3 to reversely and synchronously slide relative to the base 2 is limited, so that the requirement that when the two fixing bases 3 slide to the limit position or do not reach the limit position in the opposite direction is met, the rear equipment compartment can be clamped and positioned between the two fixing bases 3, and the clamping of the high-precision gear ring rotary driving device to the rear equipment compartment is realized.

When the high-precision gear ring rotary driving device clamps the rear equipment compartment, both fixing seats 3 are influenced by the reaction force of the clamping force. In order to improve the stability of the equipment compartment after clamping by the high-precision gear ring rotary driving device, the high-precision gear ring rotary driving device further comprises a plurality of telescopic auxiliary assemblies 8.

The auxiliary assembly 8 is horizontally arranged between the two fixed seats 3, so that a connection relationship is additionally formed between the two fixed seats 3, and the stability of the relative position between the two fixed seats 3 when the two fixed seats 3 clamp the rear equipment compartment is improved. In this embodiment, the auxiliary assembly 8 is preferably a cylinder, and one end of the cylinder is preferably fixedly connected to the top of one fixing seat 3, and the other end of the piston rod is preferably fixedly connected to the top of the other fixing seat 3.

The auxiliary assembly 8 is in signal connection with the second driving assembly 5, and the length of the auxiliary assembly 8 is adaptively changed in the process that the second driving assembly 5 drives the two fixing seats 3 to reversely and synchronously slide; when the second driving assembly 5 stops driving the two fixing bases 3 to slide, the length of the auxiliary assembly 8 is also fixed, so that the stability of the relative position between the two fixing bases 3 can be improved.

Referring to fig. 1 and 3, the rotating assembly 6 includes a servo motor 61, a driving gear 62, a driven ring gear 63, a follower ring 64, and a plurality of stoppers 65.

The servo motor 61 is fixedly mounted on one fixing seat 3 and is positioned on one side of the fixing seat 3 away from the other fixing seat 3. The driving gear 62 is located at one side of the fixing seat 3 close to the other fixing seat 3, the output shaft of the servo motor 61 is fixedly connected with the driving gear 62, the servo motor 61 can drive the driving gear 62 to rotate, and the rotation axis of the driving gear 62 is parallel to the sliding direction of the fixing seat 3.

The driven gear ring 63 is mounted on one side of the fixed seat 3 where the servo motor 61 is located, which is close to the other fixed seat 3, and is located on one side of the driving gear 62, which is away from the base 2, and the driven gear ring 63 is meshed with the driving gear 62. In this embodiment, the number of teeth and the radial dimension of the driven gear ring 63 are preferably much larger than those of the driving gear 62, and the number of teeth and the radial dimension of the driving gear 62 and the driven gear ring 63 are not limited further, and can be adjusted according to the size of the rear equipment compartment in practical application.

The follower ring 64 is mounted on the other fixed seat 3 and is located on one side of the fixed seat 3 close to the fixed seat 3 where the servo motor 61 is located. In this embodiment, it is preferable that the driven ring gear 63 and the follower ring 64 are each formed in an annular plate-like structure, the axis of the driven ring gear 63 and the axis of the follower ring 64 are both parallel to the sliding direction of the fixed base 3, and the axis of the driven ring gear 63 and the axis of the follower ring 64 are coincident.

Referring to fig. 1 and 3, a plurality of stoppers 65 are respectively installed on the two fixing seats 3.

Referring to fig. 5 and 6, after the plurality of limiting members 65 are mounted on the fixing base 3 where the driven gear ring 63 is located, the plurality of limiting members 65 are located at the inner side of the driven gear ring 63, the driven gear ring 63 extends towards the inner side of the driven gear ring 63 to form an annular guide rail 631, and the axis of the annular guide rail 631 coincides with the axis of the driven gear ring 63. The limiting piece 65 is provided with the groove 651 matched with the annular guide rail 631, the annular guide rail 631 is matched with the grooves 651 of the limiting pieces 65 in a clamping mode, at the moment, the limiting pieces 65 can not only support the driven gear ring 63, but also guide the driven gear ring 63 to rotate stably by taking the axis of the driven gear ring as a shaft, at the moment, the rotation axis of the driven gear ring 63 coincides with the axis of the driven gear ring, and at the moment, a space exists between the driven gear ring 63 and the corresponding fixed seat 3. In this embodiment, the cross section of the annular rail 631 is preferably triangular; in other embodiments, the shape of the annular rail 631 may also be different.

When the annular guide rail 631 is in clamping fit with the groove 651 on the limiting member 65, the annular guide rail 631 contacts and abuts against the groove wall of the groove 651. At this time, the stopper 65 can restrict the driven ring gear 63 from being displaced in the axial direction and the radial direction of itself during rotation, so that the driven ring gear 63 can have a better positioning accuracy in the circumferential direction relative to the fixed seat 3.

Referring to fig. 1 and 6, after the plurality of limiting members 65 are installed on the fixing base 3 where the follower ring 64 is located, the plurality of limiting members 65 are located at the outer side of the follower ring 64, and the outer side end portion of the follower ring 64 can be simultaneously engaged with the grooves 651 of the plurality of limiting members 65. Similarly, the plurality of limiting members 65 can support the follower ring 64, and can also be used for guiding the follower ring 64 to stably rotate around the axis of the follower ring 64 as a shaft, and the rotation axis of the follower ring 64 coincides with the axis of the follower ring.

Similarly, when the outer end of the follower 64 is engaged with the groove 651 on the stopper 65, the follower 64 contacts and abuts against the groove wall of the groove 651. At this time, the stopper 65 can restrict the follower 64 from being displaced in the axial direction and the radial direction of itself during rotation, so that the follower 64 can have a better positioning accuracy in the circumferential direction relative to the fixing base 3.

Referring to fig. 2 and 3, when the rear equipment compartment is in a clamped state, the servo motor 61 drives the driving gear 62 to rotate, the driving gear 62 drives the driven gear ring 63 to rotate, and the follower ring 64 synchronously rotates with the driven gear ring 63 through the rear equipment compartment, so that the rotating assembly 6 can control the rear equipment compartment to rotate to adjust the position state. Among them, the servo motor 61 can control the rotation of the driven ring gear 63 with high accuracy by the driving gear 62, and realizes the tooth-by-tooth rotation.

Through holes 31 are formed in the two fixing bases 3, and the cross section of the through holes 31 is preferably circular. After the driven gear ring 63 is mounted on a fixed seat 3, the axis of the driven gear ring 63 coincides with the axis of the through hole 31 on the corresponding fixed seat 3; after the follower ring 64 is mounted on the other fixed seat 3, the axis of the follower ring 64 coincides with the axis of the through hole 31 on the corresponding fixed seat 3. When the rear equipment compartment is clamped between the two fixing seats 3, the through holes 31 can provide space for the automatic assembly equipment to complete assembly of the steering engine in the rear equipment compartment.

With reference to fig. 3 and 5, further, it is preferable that the stopper 65 is rotatably connected to the fixing base 3, and the rotation axis of the stopper 65 is parallel to the rotation axis of the driven ring gear 63. When the servo motor 61 drives the driving gear 62 to rotate to drive the driven gear ring 63 to rotate, the plurality of limiting pieces 65 rotate under the action of friction force between the limiting pieces and the annular guide rail 631, so that resistance generated by the rotation of the limiting pieces 65 to the driven gear ring 63 can be reduced, and the rotation process of the driven gear ring 63 is smoother. In this embodiment, the stopper 65 is preferably a roller.

Referring to fig. 1, in a similar manner, when the follower ring 64 rotates synchronously with the follower gear ring 63 through the rear equipment compartment, the plurality of limiting members 65 also rotate under the action of friction force between themselves and the outer end of the follower ring 64, so that the resistance of the limiting members 65 to the rotation of the follower ring 64 can be reduced, and the rotation process of the follower ring 64 is smoother

Referring to fig. 1 and 4, it is further preferable that six limiting members 65 are mounted on each of the two fixing bases 3, and the six limiting members 65 are distributed in a circumferential array on the fixing bases 3 with the axis of the through hole 31 as the axis. The limit action of the six limit pieces 65 on the annular guide rail 631 is more uniformly distributed on the annular guide rail 631, the limit action of the six limit pieces 65 on the follow-up ring 64 is more uniformly distributed on the follow-up ring 64, and the probability that the annular guide rail 631 and the follow-up ring 64 are locally damaged due to uneven stress is reduced.

Referring to fig. 1 and 3, further, during the rotation of the limiting member 65 with the rotation of the driven gear ring 63 and the rotation of the driven ring 64, the annular guide rail 631 and the limiting member 65, and the driven ring 64 and the limiting member 65 will wear to different extents, which will affect the control accuracy of the rotation control of the following rotating assembly 6 on the rear equipment compartment.

For this purpose, the stop 65 is preferably detachably connected to the holder 3 by means of a screw fastening. When the positioning function and the limiting function of the limiting piece 65 are affected due to abrasion, a worker can solve the problem by replacing the limiting piece 65 with a new one.

With reference to fig. 1 and 6, further, it is preferable that the abutment pad 66 for replacing the contact between the abutment pad 66 and the annular guide rail 631 and the follower coil 64 is detachably connected to the stopper 65, and the abutment pad 66 has elasticity and a certain elastic deformability, in this embodiment, the abutment pad 66 is preferably made of a rubber material, and the abutment pad 66 is preferably detachably connected to the stopper 65 in a sleeved manner.

After the abutting pad 66 is connected with the limiting piece 65, the abutting pad 66 can cover the groove wall of the groove 651 and form a new groove 651 for clamping and matching the annular guide rail 631 and the outer end part of the follow-up ring 64, and at the moment, the annular guide rail 631 and the outer end part of the follow-up ring 64 are clamped and matched with the groove 651, and then the abutting pad 66 is extruded to elastically deform. The annular rail 631 and the follower ring 64 can be kept in contact with the stopper 65 by the abutment pad 66, so that the stopper 65 can further stably perform a stopper function on the driven ring gear 63 and the follower ring 64.

During the use of the rotating assembly 6, the abutting pad 66 can simultaneously reduce the abrasion between the annular guide rail 631 and the follower 64 and the limiting piece 65, and when the abutting pad 66 is affected by the positioning action and the limiting action of the limiting piece 65 due to abrasion, the worker can solve the above problem by replacing the new abutting pad 66.

Referring to fig. 1 and 3, two jigs 7 are respectively in one-to-one correspondence with the driven ring gear 63 and the follower ring 64, and the two jigs 7 are located between the driven ring gear 63 and the follower ring 64. When the two fixing bases 3 clamp the rear equipment compartment, the clamp 7 replaces the driven gear ring 63 and the follow-up ring 64 to be in direct contact with and offset against the rear equipment compartment, so that abrasion of the driven gear ring 63 and the follow-up ring 64 caused by reaction force after the rear equipment compartment is clamped is reduced.

In this embodiment, to protect the driven gear ring 63 and the follower ring 64, it is preferable that the driven gear ring 63 is away from the side corresponding to the fixed seat 3 and the follower ring 64 is away from the side corresponding to the fixed seat 3, where the annular reinforcing plate 9 is fixedly mounted, the axis of the reinforcing plate 9 coincides with the axis of the driven gear ring 63, and the corresponding fixture 7 is mounted on the reinforcing plate 9, so that abrasion caused to the driven gear ring 63 and the follower ring 64 in the clamping process of the rear equipment compartment can be further reduced.

Further, the annular guide rail 631 is located at one end, far away from the clamp 7, of the driven gear ring 63 along the axial direction of the driven gear ring 63, and a space exists between the annular guide rail 631 and the clamp 7, so that the probability that the reaction force of the rear equipment compartment after being clamped is transmitted to the annular guide rail 631 through the clamp 7 and the reinforcing plate 9 can be reduced, loss in the using process of the annular guide rail 631 can be further reduced, and the service life of the annular guide rail 631 is prolonged.

The clamp 7 is detachably connected with the reinforcing plate 9, when the clamp 7 is worn to a certain extent after being used for a period of time, the clamping effect of the high-precision gear ring rotary driving device on the rear equipment compartment can be influenced, and at the moment, the problem can be solved by a worker through disassembling and replacing the new clamp 7.

The fixture 7 includes a plurality of tooling plates 71, in this embodiment, the fixture 7 preferably includes three tooling plates 71, and the three tooling plates 71 are distributed on the reinforcing plate 9 in a circumferential array with the axis of the reinforcing plate 9 as the axis.

The fixture 7 further includes a plurality of positioning pins 72, in this embodiment, preferably, the fixture 7 adjacent to the driven gear ring 63 includes two positioning pins 72 in total, and preferably, the fixture 7 adjacent to the driven gear ring 64 includes three positioning pins 72 in total, and the plurality of positioning pins 72 are distributed on the reinforcing plate 9 in a circumferential array with the axis of the reinforcing plate 9 as the axis.

In addition, in this embodiment, it is also preferable that both the tooling plate 71 and the positioning pin 72 are detachably connected to the reinforcing plate 9 by bolting.

Wherein, a dodging groove 711 which is matched with the protruding structure of the end part of the rear equipment compartment is formed on one side, close to the axis of the reinforcing plate 9, of the tooling plate 71 adjacent to the driven gear ring 63; the structure of the positioning pins 72 is matched with the positioning holes formed on the end part of the rear equipment compartment.

In practical application, the positions and the number of the tooling plates 71, the positions and the number of the positioning pins 72, whether the tooling plates 71 are provided with the avoidance grooves 711 or not, and the like can be adjusted according to the structure of the actual rear equipment compartment and the clamping requirement.

When the rear equipment compartment is clamped between the two fixing seats 3, the two reinforcing plates 9 are respectively contacted and propped against the two ends of the rear equipment compartment, meanwhile, the protruding structures at the two ends of the rear equipment compartment are matched with the avoiding grooves 711 on the different tool plates 71 in a clamping manner, and the different positioning pins 72 are matched with the positioning holes at the end parts of the rear equipment compartment in an inserting manner, so that the clamping effect of the clamp 7 on the rear equipment compartment is improved, namely, the position stability of the rear equipment compartment after being clamped is improved, and the position precision of the follow-up rotating assembly 6 when the rear equipment compartment is driven to rotate to change the position state is improved.

The implementation principle of the high-precision gear ring rotary driving device provided by the embodiment of the application is as follows:

after the automatic transportation equipment sends the rear equipment cabin to the high-precision gear ring rotary driving device, the high-precision gear ring rotary driving device controls the first driving components 4 and the second driving components 5 to clamp and move the rear equipment cabin to a position to be assembled by the steering engine through the clamp 7; then the rotating assembly 6 controls the rear equipment cabin to precisely rotate to a position state of assembling the steering engine with high precision, and then the automatic assembling equipment completes the assembly of the steering engine on the rear equipment cabin; repeating the steps until the four steering engines are assembled on the rear equipment cabin.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The high-precision gear ring rotary driving device is characterized by comprising a frame (1), a base (2), two fixing seats (3), a plurality of first driving components (4) and a plurality of second driving components (5);

the base (2) is connected with the frame (1) in a sliding manner along the vertical direction, and the plurality of first driving assemblies (4) drive the base (2) to slide; the fixed seats (3) are connected with the base (2) in a sliding manner along the horizontal direction, the two fixed seats (3) are parallel to each other, the sliding directions of the two fixed seats are also parallel to each other, and the two fixed seats (3) are respectively driven to slide by the second driving assemblies (5);

the rotary assembly (6) is arranged on the fixed seat (3); the rotating assembly (6) comprises a servo motor (61), a driving gear (62), a driven gear ring (63) and a follow-up ring (64), wherein the servo motor (61) is arranged on the fixed seat (3), the driving gear (62) is connected with the servo motor (61), and the servo motor (61) drives the driving gear (62) to rotate; the driven gear ring (63) is positioned between the two fixed seats (3), the driven gear ring (63) is meshed with the driving gear (62), the driving gear (62) rotates to drive the driven gear ring (63) to rotate, and the rotation axis of the driven gear ring (63) is parallel to the sliding direction of the fixed seats (3); the follower ring (64) is arranged on the other fixed seat (3), the follower ring (64) can rotate relative to the corresponding fixed seat (3), and the rotation axis of the follower ring (64) is coincident with the rotation axis of the driven gear ring (63);

the device further comprises two clamps (7), wherein the two clamps (7) are respectively arranged on the driven gear ring (63) and the follow-up ring (64), and the two clamps (7) are both positioned between the driven gear ring (63) and the follow-up ring (64).

2. The high-precision gear ring rotary driving device according to claim 1, wherein the rotary assembly (6) further comprises a plurality of limiting pieces (65), and the limiting pieces (65) are respectively arranged on the two fixed seats (3) and are respectively positioned on the inner side of the driven gear ring (63) and the outer side of the follower ring (64); the driven gear ring (63) is provided with a ring-shaped guide rail (631), and the axis of the ring-shaped guide rail (631) coincides with the rotation axis of the driven gear ring (63); the limiting piece (65) is provided with a groove (651), the annular guide rail (631) is simultaneously matched with the grooves (651) on the limiting piece (65) in a clamping mode, and the limiting piece (65) limits the driven gear ring (63) to displace relative to the fixed seat (3) along the radial direction and the axial direction; the outer end part of the follow-up ring (64) is also in clamping fit with a plurality of grooves (651) on the limiting pieces (65), and the limiting pieces (65) limit the follow-up ring (64) to displace relative to the fixed seat (3) along the radial direction and the axial direction.

3. A high precision gear ring rotation driving device according to claim 2, characterized in that the limiting member (65) is rotationally connected to the fixed seat (3), and the rotation axis of the limiting member (65) is parallel to the rotation axis of the driven gear ring (63).

4. A high precision gear ring rotation driving device according to claim 3, characterized in that the plurality of limiting members (65) are circumferentially arranged on the fixed base (3) with the axis of the driven gear ring (63) as the axis.

5. A high precision gear ring rotation driving device according to claim 2, characterized in that the limiting member (65) is detachably connected with an abutment pad (66) for abutting against the annular guide rail (631), the abutment pad (66) being located in the recess (651).

6. The high-precision ring gear rotation driving device according to claim 5, wherein the abutment pad (66) has elasticity, and the abutment pad (66) is pressed by the annular rail (631) when contacting the annular rail (631).

7. A high precision gear ring rotation driving device according to claim 2, characterized in that there is a space between the annular guide rail (631) and the clamp (7), and a space between the driven gear ring (63) and the fixed seat (3).

8. The high-precision gear ring rotation driving device according to claim 1, wherein the fixture (7) comprises a plurality of tooling plates (71) and a plurality of positioning pins (72), avoidance grooves (711) matched with the end structures of the rear equipment compartment are formed in the tooling plates (71), and the positioning pins (72) can be in plug-in fit with positioning holes in the end parts of the rear equipment compartment.

9. A high precision gear ring rotation driving device according to claim 1, characterized in that the second driving assembly (5) comprises a rotation block (52) and two connecting rods (53), the rotation block (52) is located between the two fixed bases (3), the rotation block (52) is rotationally connected with the base (2), and the rotation axis of the rotation block (52) is horizontal and perpendicular to the sliding direction of the fixed bases (3); the two ends of the connecting rod (53) are respectively hinged with the rotating block (52) and the fixed seat (3), and the rotating block (52) can rotate to drive the two fixed seats (3) to reversely and synchronously slide.

10. The high-precision gear ring rotation driving device according to claim 9, further comprising a plurality of telescopic auxiliary assemblies (8), wherein the auxiliary assemblies (8) are located between the two fixed seats (3), two ends of each auxiliary assembly (8) are respectively connected with the two fixed seats (3), and the auxiliary assemblies (8) can stretch and retract along with the sliding of the two fixed seats (3).