CN211136154U - Gear ring installation equipment - Google Patents

Abstract

The utility model relates to a gear ring installation device, which comprises a gear ring shifting block and a mechanical screwing device; the gear ring shifting block is integrally strip-shaped, the two end parts of the gear ring shifting block are symmetrically provided with clamping grooves for clamping the gear ring into the clamping grooves, and the outer side surfaces of the two clamping grooves are provided with inclined surfaces; the mechanical screwing device comprises a motor, a speed reducer connected with the motor, a gear set connected with an output shaft of the speed reducer, a mounting table, a shifting rod and a positioning column, wherein the gear set comprises a driving wheel connected with the output shaft of the speed reducer and a driven wheel meshed with the driving wheel, a rotating shaft is arranged on the driven wheel, the rotating shaft penetrates through the mounting table and is connected with the shifting rod above the mounting table, the positioning column is fixedly arranged on the mounting table, and a step convenient for centering and positioning a workpiece is arranged on the outer side of the positioning column on the mounting table. The utility model has the advantages of simple structure, convenient to use, the cost of can using manpower sparingly simultaneously, promote the installation effectiveness.

Description

Gear ring installation equipment

Technical Field

The utility model relates to a ring gear installation field, concretely relates to ring gear erection equipment.

Background

In the prior art, the gear ring is generally installed by adopting a stamping mode, a bolt clamping mode or the like. The gear ring is clamped above the workpiece by a clamp or a bolt, and then pressed into the workpiece by punching or manual pressing. For some special workpieces, such as the workpiece shown in fig. 3, in addition to pressing the gear ring into the workpiece, the gear ring is required to rotate a certain angle in the inner groove of the workpiece for installation, that is, the swash block on the gear ring is required to be clamped on the boss of the workpiece. The installation process is roughly as follows: firstly, manually placing a gear ring into an inner groove of a workpiece and ensuring that the gear ring and the inner groove are axially concentric, wherein an inclined block on the gear ring is mutually staggered with a boss on the circumferential direction of the inner groove of the workpiece, and forcibly pressing the gear ring downwards to enable the gear ring to be completely clamped into the inner groove of the workpiece; then the gear ring is rotated, so that the inclined block on the gear ring is clamped into the surface of the boss facing to the center of the inner groove, the gear ring is continuously rotated, so that the inclined block completely rotates through the boss, and meanwhile, the inclined block on the side corresponding to the inclined block is clamped on the boss; and finally, clamping the gear ring by utilizing the inner inclined plane of the boss and clamping the boss and the inclined block, thereby finishing the installation of the gear ring. In the installation process, the prior art adopts a manual operation mode to rotationally install the gear ring, but the gear ring can be pulled only by a large torque during manual operation, which wastes time and labor, and simultaneously causes the improper installation of the gear ring, thereby causing the damage of the gear ring and influencing the installation reliability; in addition, two people work during installation, one person controls the positioning and fixing of the workpiece and the gear ring, and the other person carries out screwing operation, so that the labor cost is improved, and the installation efficiency is reduced.

In view of this, the utility model provides a ring gear erection equipment utilizes machinery to revolve to twist the mode that the operation replaced artifical revolving to twist the operation to solve the technical problem that wastes time and energy, the installation is not in place and the installation effectiveness is low when artifical operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated to provide a ring gear erection equipment to solve the not enough that exists among the prior art, the utility model discloses the technical problem who solves realizes through following technical scheme.

A gear ring mounting device comprises a gear ring shifting block and a mechanical screwing device; the improvement is that:

the gear ring shifting block is integrally in a long strip shape, the length of the gear ring shifting block is larger than the outer diameter of the gear ring, clamping grooves are symmetrically formed in two end portions of the gear ring shifting block, the width of each clamping groove is matched with the thickness of the gear ring so as to clamp the gear ring into the clamping groove, inclined planes used for clamping inclined blocks on the gear ring are arranged on the outer side surfaces of the two clamping grooves, and the two inclined planes are centrosymmetric by taking the center of the gear ring shifting block as a symmetric;

the mechanical screwing device comprises a motor, a speed reducer connected with the motor, a gear set connected with an output shaft of the speed reducer, a mounting table, a shifting rod and a positioning column, wherein the gear set comprises a driving wheel connected with the output shaft of the speed reducer and a driven wheel meshed with the driving wheel, a rotating shaft is arranged on the driven wheel, the rotating shaft penetrates through the mounting table and is connected with the shifting rod above the mounting table, the positioning column is fixedly arranged on the mounting table, and a step convenient for centering and positioning a workpiece is arranged on the outer side of the positioning column on the mounting table.

When the utility model is used, firstly, the gear ring is clamped into the inner groove of the workpiece and the two are ensured to be axially concentric, and the inclined block on the gear ring is mutually staggered with the boss on the circumference of the inner groove of the workpiece; then, the gear ring shifting block is clamped on the gear ring, so that one side of the inclined block is clamped in the inclined surface of the gear ring shifting block; then, adjusting the position of the gear ring shifting block to enable one side, which is not clamped into the inclined block, of the gear ring shifting block to abut against the side face of the boss of the workpiece; then, adjusting the position of the deflector rod to enable the deflector rod to abut against the side face of the gear ring shifting block; then, starting a motor, driving a gear ring to rotate after power is transmitted by a speed reducer, a gear set, a rotating shaft, a shifting rod and a gear ring shifting block, clamping an inclined plane on one side of an inclined block on the gear ring into an inner inclined plane of a boss along with rotation, continuously rotating the inclined plane out of the inner inclined plane of the boss, and then enabling a straight edge part of the inclined plane on the other side of the inclined block to abut against the boss, so that the two inclined planes of the inclined block are clamped in the boss, and meanwhile, the gear ring is clamped into the inner inclined plane of the boss; and finally, reversing the motor and stopping, taking down the gear ring shifting block, taking down the installed gear ring and the workpiece, replacing the new workpiece to be installed and the gear ring, and repeating the steps.

The inclined plane on the gear ring shifting block is clamped with the inclined block on the gear ring, and the inclined block form a relatively fixed relation, so that the relative position relation between the gear ring shifting block and the gear ring can be positioned, the gear ring can be driven to rotate, the gear ring and a workpiece can be mounted, and teeth on the gear ring can be protected, so that damage to the teeth caused by mounting by using other tools can be avoided; the positioning column can accurately position the position of the workpiece arranged on the workbench and can also prevent the workpiece from rotating under the action of the gear ring in the installation process; the gear set is selected as a transmission component, and different transmission ratios can be set, so that the rotation stroke of the rotating shaft and the deflector rod is controlled; the motor and the speed reducer are used as power to replace the traditional manual screwing, and the gear ring shifting block, the inclined plane and other parts are matched to ensure that the gear ring is accurately installed in place.

Preferably, the driven wheel is provided with two limit contacts, and the lower part of the mounting table is provided with two limit switches electrically connected with the motor; the horizontal projections of the two limit switches are positioned between the horizontal projections of the two limit contacts, and the two limit contacts are contacted with or separated from the limit switches close to the two limit contacts along with the rotation of the driven wheel.

The motor can be reversely rotated by arranging the limit switch and the limit contact and utilizing the contact or separation of the limit switch at one side and the limit contact adjacent to the limit switch; the stop of the motor can be realized by the contact or separation of the limit switch at the other side and the limit contact adjacent to the limit switch.

When the motor is used, the motor drives the speed reducer to rotate, so that the driving lever and the gear ring shifting block are driven to rotate to mount the gear ring, after the gear ring is mounted in place, the limit switch on one side is in contact with the limit contact adjacent to the limit switch to enable the motor to rotate reversely, the driving lever is driven by the rotating shaft to rotate reversely and further drive the gear ring shifting block to return to the initial position, and the limit switch on the other side is in contact with the limit contact adjacent to the limit switch to enable the motor to stop; and then taking down the gear ring shifting block and placing a new gear ring for the next installation operation. Through setting up limit switch and spacing contact, staff's operation can be simplified to promote the installation effectiveness.

Preferably, the limit contact comprises a connecting table and a contact post penetrating through the connecting table, and the limit switch comprises a connecting table and a contact piece arranged on the lower part of the connecting table and electrically connected with the motor; the contact post is contacted with or separated from the contact piece close to the driven wheel along with the rotation of the driven wheel.

Preferably, the connection platform of spacing contact on be equipped with the screw hole that link up, contact post threaded connection in the screw hole and its both ends be located outside the screw hole, the non-of contact post with the tip of the one end of contact is provided with the nut.

Through threaded connection's contact post and connection platform, can finely tune the contact post according to production needs to finely tune the rotation stroke of driving lever.

Preferably, the contact piece is L type, the long edge of the contact piece is provided with a strip-shaped hole, the short edge of the contact piece is provided with a contact block which is convenient to contact with the contact post, the connecting platform of the limit switch is provided with a threaded hole, and a screw penetrates through the strip-shaped hole to fix the contact piece on the connecting platform of the limit switch.

Through setting up rectangular shape hole, can finely tune the position of contact as required to finely tune the rotation stroke of driving lever.

Preferably, the deflector rod is U-shaped, the upper ends of the two vertical rod parts of the deflector rod are provided with grooves for clamping the gear ring shifting block, and the two grooves are centrosymmetric by taking the rotating shaft as a symmetric center.

Through setting up the recess, can make the driving lever accurately block put ring gear shifting block.

Preferably, a spring steel sheet is arranged on the side edge of the positioning column.

It should be noted that the spring steel sheet is provided because the workpiece is an unprocessed blank after being formed, the size is not completely uniform, certain tolerance exists, and the problem of improper installation can be caused when the gear ring is installed. The positioning column is provided with the spring steel sheet, and certain installation allowance is generated in the installation process by utilizing the elastic deformation of the spring steel sheet, so that the problem that the gear ring is not installed in place is solved.

Preferably, the spring steel sheet is in threaded connection, riveted connection or welded on the side edge of the positioning column.

Preferably, the bottom of the mechanical screwing device is provided with a support leg.

Compared with the prior art, the utility model can be installed in place once when the gear ring is installed, thereby reducing the collision and damage of the gear ring and increasing the installation reliability; the installation is carried out by adopting mechanical power, only one person is needed to operate, the labor cost is saved, and meanwhile, the installation efficiency can be improved. The utility model has the advantages of simple structure, convenient to use, the cost of can using manpower sparingly simultaneously, promote the installation effectiveness.

Drawings

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

fig. 2 is a schematic structural view of the middle gear ring shifting block of the present invention;

fig. 3 is a schematic structural view of the middle gear ring of the present invention;

FIG. 4 is a schematic structural view of a workpiece according to the present invention;

the reference numbers in the drawings are, in order: 1. the device comprises a motor, 2, a speed reducer, 3, a gear set, 4, a limit switch, 5, a limit contact, 6, a mounting table, 7, a shifting lever, 8, a positioning column, 9, a spring steel sheet, 10, a gear ring shifting block, 11, a gear ring, 12, a workpiece, 13, a supporting leg, 14, a boss, 15, an inclined block, 16, an inclined plane, 17 and a boss inner inclined plane.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The invention will be described in detail with reference to the accompanying figures 1-4, in conjunction with an embodiment.

Example 1: a gear ring mounting apparatus includes a gear ring paddle 10 and a mechanical screwing device; the improvement is that:

the whole gear ring shifting block 10 is in a long strip shape, the length of the gear ring shifting block is larger than the outer diameter of the gear ring 11, clamping grooves are symmetrically formed in two end portions of the gear ring shifting block, the width of each clamping groove is matched with the thickness of the gear ring 11 so that the gear ring 11 is clamped into the clamping grooves, inclined planes 16 used for clamping inclined blocks 15 on the gear ring 11 are arranged on the outer side surfaces of the two clamping grooves, and the two inclined planes 16 are centrosymmetric by taking the center of the gear ring shifting block 10 as a symmetric;

mechanical revolve twist the device and include motor 1, the speed reducer 2 of being connected with motor 1, with 2 output shaft's of speed reducer gear train 3 and mount table 6, driving lever 7, reference column 8, gear train 3 include with 2 output shaft's of speed reducer action wheel, with the driven wheel of action wheel meshing, be provided with the axis of rotation from the driving wheel, the axis of rotation pass the mount table and connect driving lever 7 above the mount table, reference column 8 fixed set up in mount table 6 on, mount table 6 on in the outside of reference column 8 be provided with the ladder step that is convenient for work piece 12 centering location.

When the utility model is used, firstly, the gear ring 11 is clamped into the inner groove of the workpiece 12 and the two are ensured to be concentric axially, and the inclined block 15 on the gear ring 11 is mutually staggered with the boss 14 on the circumference of the inner groove of the workpiece 12; then, the gear ring shifting block 10 is clamped on the gear ring 11, so that one side of the inclined block 15 is clamped in the inclined surface 16 of the gear ring shifting block 10; then, adjusting the position of the gear ring shifting block 10 to enable one side of the non-clamped inclined block 15 of the gear ring shifting block 10 to abut against the side face of the boss 14 of the workpiece 12; then, adjusting the position of the deflector rod 7 to enable the deflector rod 7 to abut against the side face of the gear ring shifting block; then, starting the motor 1, driving the gear ring 11 to rotate after power is transmitted by the speed reducer 2, the gear set 3, the rotating shaft, the shifting lever 7 and the gear ring shifting block 10, clamping the inclined plane at one side of the inclined block 15 on the gear ring 11 into the boss inner inclined plane 17 along with rotation, continuously rotating out of the boss inner inclined plane 17, and then abutting the straight edge part of the inclined plane at the other side of the inclined block 15 against the boss 14, so that the two inclined planes of the inclined block 15 are clamped in the boss 14, and the gear ring 11 is clamped into the boss inner inclined plane 17 at the same time, thereby completing the installation of the gear ring 11; and finally, reversing the motor 1 and stopping, taking down the gear ring shifting block 10, taking down the installed gear ring 11 and the workpiece 12, and replacing the new workpiece 12 to be installed and the gear ring 11, and repeating the steps.

The inclined plane 16 on the gear ring shifting block 10 is used for clamping the inclined block 15 on the gear ring 11, and the inclined block form a relatively fixed relation, so that the relative position relation between the gear ring shifting block 10 and the gear ring 11 can be positioned, the gear ring 11 can be driven to rotate, the gear ring 11 and the workpiece 12 can be installed, and the teeth on the gear ring 11 can be protected, so that the teeth are prevented from being damaged when other tools are used for installation; the positioning column 8 can not only accurately position the position of the workpiece 12 arranged on the workbench 6, but also prevent the workpiece 12 from rotating under the action of the gear ring 11 in the installation process; the gear set 3 is selected as a transmission component, different transmission ratios can be set, and therefore the rotation stroke of the rotating shaft and the deflector rod 7 is controlled; the motor 1 and the speed reducer 2 are used as power to replace the traditional manual screwing, and the gear ring shifting block 10, the inclined block 15, the inclined plane 16 and other parts are matched to ensure that the gear ring is accurately installed in place.

Compared with the prior art, the utility model can be installed in place once when the gear ring is installed, thereby reducing the collision and damage of the gear ring and increasing the installation reliability; the installation is carried out by adopting mechanical power, only one person is needed to operate, the labor cost is saved, and meanwhile, the installation efficiency can be improved. The utility model has the advantages of simple structure, convenient to use, the cost of can using manpower sparingly simultaneously, promote the installation effectiveness.

Example 2: on the basis of the embodiment 1, two limit contacts 5 are arranged on the driven wheel, and two limit switches 4 electrically connected with the motor 1 are arranged at the lower part of the mounting table 6; the horizontal projections of the two limit switches 4 are positioned between the horizontal projections of the two limit contacts 5, and the two limit contacts 5 are contacted with or separated from the limit switches 4 close to the two limit contacts 5 along with the rotation of the driven wheel.

By arranging the limit switch 4 and the limit contact 5, the motor 1 can be reversely rotated by utilizing the contact or separation of the limit switch 4 on one side and the limit contact 5 adjacent to the limit switch 4; the stop of the motor 1 can be realized by the contact or separation of the limit switch 4 at the other side and the limit contact 5 adjacent to the limit switch.

When the motor is used specifically, the motor 1 drives the speed reducer 2 to rotate, so that the driving lever 7 and the gear ring shifting block 10 are driven to rotate to mount the gear ring 11, after the gear ring 11 is mounted in place, the limit switch 4 on one side is contacted with the limit contact 5 adjacent to the limit switch to enable the motor 1 to rotate reversely, the driving lever 7 is driven by the rotating shaft to rotate reversely and further drive the gear ring shifting block 10 to return to the initial position, and at the moment, the limit switch 4 on the other side is contacted with the limit contact 5 adjacent to the limit switch to enable the motor 1 to stop; then the gear ring shifting block 10 is taken down and a new gear ring is placed for the next installation operation. Through setting up limit switch 4 and limit contact 5, staff's operation can be simplified to promote the installation effectiveness.

Example 3: on the basis of the embodiment 1 or 2, the limit contact 5 comprises a connecting table and a contact post penetrating through the connecting table, and the limit switch 4 comprises a connecting table and a contact piece which is arranged at the lower part of the connecting table and electrically connected with the motor 1; the contact post is contacted with or separated from the contact piece close to the driven wheel along with the rotation of the driven wheel.

Example 4: on the basis of any one of the above embodiments, the connecting platform of the limit contact 5 is provided with a through threaded hole, the contact column is in threaded connection with the threaded hole, two ends of the contact column are located outside the threaded hole, and a nut is arranged at the end of one end of the contact column, which is not in contact with the contact piece.

Through threaded connection's contact post and connection platform, can finely tune the contact post according to production needs to finely tune the rotation stroke of driving lever 7.

Embodiment 5 is based on any of the above embodiments, the contact piece is L type, the long side of the contact piece is provided with a strip-shaped hole, the short side of the contact piece is provided with a contact block which is convenient to contact with the contact post, the connecting platform of the limit switch 4 is provided with a threaded hole, and a screw penetrates through the strip-shaped hole to fix the contact piece on the connecting platform of the limit switch 4.

Through setting up rectangular shape hole, can finely tune the position of contact as required to finely tune the rotation stroke of driving lever 7.

Example 6: on the basis of any one of the above embodiments, the shift lever 7 is U-shaped, and the upper ends of the two vertical rod portions of the shift lever 7 are provided with grooves for clamping the gear ring shifting block 10, and the two grooves are centrosymmetric with the rotating shaft as a symmetric center.

Through setting up the recess, can make driving lever 7 accurately block put ring gear shifting block 10.

Example 7: on the basis of any of the above embodiments, the side edge of the positioning column 8 is provided with a spring steel sheet 9.

It should be noted that the spring steel sheet 9 is provided because the workpiece 12 is an unprocessed blank after being formed, the dimensions are not completely uniform, certain tolerance exists, and the problem of improper installation occurs when the gear ring 11 is installed. The positioning column 8 is provided with the spring steel sheet 9, and certain installation allowance is generated in the installation process by utilizing the elastic deformation of the spring steel sheet 9, so that the problem that the gear ring 11 is not installed in place is solved.

Example 8: on the basis of any of the foregoing embodiments, the spring steel sheet 9 is screwed, riveted or welded on the side edge of the positioning column 8.

Example 9: on the basis of any of the foregoing embodiments, the bottom of the mechanical screwing device is provided with a leg 13.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.

Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.

In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A gear ring mounting apparatus includes a gear ring paddle (10) and a mechanical screw-up device; the method is characterized in that:

the whole gear ring shifting block (10) is in a long strip shape, the length of the gear ring shifting block is larger than the outer diameter of the gear ring (11), clamping grooves are symmetrically formed in two end portions of the gear ring shifting block, the width of each clamping groove is matched with the thickness of the gear ring (11) so as to clamp the gear ring (11) into the clamping groove, inclined planes (16) used for clamping inclined blocks (15) on the gear ring (11) are arranged on the outer side surfaces of the two clamping grooves, and the two inclined planes (16) are centrosymmetric by taking the center of the gear ring shifting block (10) as a symmetric;

machinery revolve wrong device include motor (1), speed reducer (2) be connected with motor (1), with speed reducer (2) output shaft's gear train (3) and mount table (6), driving lever (7), reference column (8), gear train (3) including with speed reducer (2) output shaft connected action wheel, with the driven wheel of action wheel meshing, be provided with the axis of rotation from the driving wheel, the axis of rotation pass the mount table and connect driving lever (7) in the mount table top, reference column (8) fixed set up in mount table (6) on, mount table (6) on in the outside of reference column (8) be provided with the ladder step that is convenient for work piece (12) centering location.

2. A ring gear mounting apparatus according to claim 1, wherein: two limit contacts (5) are arranged on the driven wheel, and two limit switches (4) electrically connected with the motor (1) are arranged at the lower part of the mounting table (6); the horizontal projections of the two limit switches (4) are positioned between the horizontal projections of the two limit contacts (5), and the two limit contacts (5) are contacted with or separated from the limit switches (4) close to the two limit contacts along with the rotation of the driven wheel.

3. A ring gear mounting apparatus according to claim 2, wherein: the limiting contact (5) comprises a connecting table and a contact post penetrating through the connecting table, and the limiting switch (4) comprises a connecting table and a contact piece which is arranged at the lower part of the connecting table and is electrically connected with the motor (1); the contact post is contacted with or separated from the contact piece close to the driven wheel along with the rotation of the driven wheel.

4. A ring gear mounting apparatus according to claim 3, wherein: the connection bench of spacing contact (5) on be equipped with the screw hole that link up, contact post threaded connection in the screw hole and its both ends be located outside the screw hole, the non of contact post with the tip of the one end of contact is provided with the nut.

5. The gear ring mounting equipment as claimed in claim 3, wherein the contact piece is L-shaped, the long side of the contact piece is provided with a strip-shaped hole, the short side of the contact piece is provided with a contact block which is convenient to contact with the contact post, the connecting platform of the limit switch (4) is provided with a threaded hole, and a screw penetrates through the strip-shaped hole to fix the contact piece on the connecting platform of the limit switch (4).

6. A ring gear mounting apparatus according to claim 1, wherein: the shifting lever (7) is U-shaped, the upper end parts of two vertical rod parts of the shifting lever (7) are provided with grooves for clamping the gear ring shifting block (10), and the two grooves are centrosymmetric by taking the rotating shaft as a symmetric center.

7. A ring gear mounting apparatus according to claim 1, wherein: and a spring steel sheet (9) is arranged on the side edge of the positioning column (8).

8. The ring gear mounting apparatus according to claim 7, wherein: the spring steel sheet (9) is in threaded connection, riveted or welded on the side edge of the positioning column (8).

9. A ring gear mounting apparatus according to any one of claims 1 to 8, wherein: the bottom of the mechanical screwing device is provided with a supporting leg (13).

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