CN217111483U

CN217111483U - Precision detection device for tooth surface contact of large gear ring and gear shaft

Info

Publication number: CN217111483U
Application number: CN202220943260.2U
Authority: CN
Inventors: 白永胜; 陈大用; 田静
Original assignee: Shenyang Hanwei Machinery Manufacturing Co ltd
Current assignee: Shenyang Hanwei Machinery Manufacturing Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-02
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to the technical field of machining, specifically a precision detection device for bull gear and gear shaft flank of tooth contact, including workstation, clamping mechanism, rotation mechanism and transverse feeding mechanism, be used for the installation on the workstation the bull gear, clamping mechanism is used for fixing the gear shaft, clamping mechanism's below with rotation mechanism connects, rotation mechanism with transverse feeding mechanism connects, through transverse feeding mechanism drives gear shaft lateral shifting, with the meshing of the bull gear on the workstation. The utility model discloses simple structure, the practicality is strong, has reduced the big ring gear to the degree of difficulty that the nibbles precision detection, has improved detection efficiency.

Description

Precision detection device for tooth surface contact of large gear ring and gear shaft

Technical Field

The utility model relates to the technical field of machining, especially, relate to a precision detection device that is used for bull gear and gear shaft flank of tooth to contact.

Background

The large gear ring is a main part of a rotary kiln, a ball mill and the like, the installation working condition of the products is complex, large-scale hoisting equipment and the like are required to be used, and the installation and transportation cost is high. And the volume and the mass are large, if the field debugging is unqualified, huge repair cost is generated, and the production progress is influenced.

The size and location of the gear mesh contact area is an important indicator of the quality of gear manufacture and assembly. In the running process of the transmission gear, the surfaces required to interact are in good contact and are in tight fit, the borne load is uniformly distributed, and the generated abrasion is consistent in height and width along the working tooth surface. Otherwise the concentration of the load and the premature wear of the tooth flanks must be increased.

In order to ensure the product quality and avoid a series of subsequent unnecessary troubles and losses, the machining precision and the assembly precision of the large gear ring must be determined after machining. In the prior art, the measurement technology and equipment for the contact precision of the large gear ring and the gear surface of the gear shaft are limited, the gear shaft needs to be lifted, so that the limit effect on the gear shaft is limited, the gear shaft still can swing in the transmission process, the detection accuracy is low, the large gear ring and the gear shaft need to be meshed or separated manually, the labor intensity of workers is high, the detection efficiency is low, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a precision detection device for bull gear and gear shaft flank of tooth contact, it has solved the inefficiency that traditional bull gear and gear shaft flank of tooth contact precision detected and the problem that the accuracy is low, and then guarantees product quality.

In order to achieve the above object, the utility model discloses a main technical scheme include:

an embodiment of the utility model provides a precision detection device for bull gear and gear shaft flank of tooth contact, including workstation, clamping mechanism, rotation mechanism and transverse feeding mechanism, be used for the installation on the workstation the bull gear, clamping mechanism is used for fixing the gear shaft, clamping mechanism's below with rotation mechanism connects, rotation mechanism with transverse feeding mechanism connects, through transverse feeding mechanism drives gear shaft lateral shifting, with the meshing of the bull gear on the workstation.

Further, clamping mechanism includes chuck, holding screw, adjusting bolt and adjusting nut, the middle part of chuck is provided with the through-hole that is used for installing the gear shaft along the axial, the upper portion setting of chuck is used for fixing a plurality of holding screw of gear shaft, the bottom of chuck is outer along last setting adjusting bolt, through adjusting nut will the chuck with rotation mechanism connects.

Furthermore, the slewing mechanism comprises a slewing support table, a first bearing, a second bearing, a third bearing and a bearing seat, wherein a T-shaped groove for mounting an adjusting bolt is formed in the top of the slewing support table, and the slewing support table and the clamping mechanism are fixed through the adjusting bolt and an adjusting nut; the lower part of the rotary supporting table is rotatably connected with the bearing seat through the first bearing, the second bearing and the third bearing, the first bearing is arranged at the top of the bearing seat, and the second bearing and the third bearing are arranged inside the bearing seat; the bottom of the bearing seat is connected with the transverse feeding mechanism.

Further, the T-shaped groove is a through groove arranged along the radial direction of the rotary support table.

Furthermore, the slewing mechanism further comprises a locking nut, and the locking nut is connected with the bottom of the slewing supporting table.

Further, the transverse feeding mechanism comprises a base, a sliding seat, a sliding rail, a lead screw, a nut and a motor, wherein the sliding rail is arranged at the upper part of the base, the sliding rail is connected with the sliding seat in a sliding manner, and the sliding seat is connected with the slewing mechanism; the lower part of the base is provided with a lead screw and a nut matched with the lead screw, the nut is connected with the swing mechanism, one end of the lead screw is connected with the motor, and the lead screw is driven by the motor to rotate so as to drive the nut to move on the lead screw and further drive the swing mechanism to move.

Further, a layer of coloring oil is coated on the tooth surface of the gear shaft meshed with the large gear ring.

The beneficial effects of the utility model are that: the utility model discloses a precision detection device for bull gear and gear shaft flank of tooth contact, it has following technological effect:

1. simple structure, the practicality is strong, has reduced the degree of difficulty that big ring gear detected the nibbling precision, has improved detection efficiency.

2. In the meshing rotation of the large gear ring and the gear shaft, if the large gear ring has machining errors or the gear surface has a bump or a bulge which is not seen, the large gear ring can be found as early as possible through vibration or noise, and the vibration and the sound indicate that the machining precision of the gear surface is insufficient or a flaw exists, so that the large gear ring can be repaired and processed in time, the gear pair is meshed stably, and the service life is prolonged.

3. The working property that the gear shaft and the large gear ring are meshed or separated manually in the prior art is replaced, the working intensity of workers is greatly reduced, and the production efficiency is improved.

4. The simulation assembly debugging scene makes the bull gear and rather than the gear shaft of meshing carry out the running-in butt-grinding, has improved the contact accuracy, guarantees the ability of transmission load, makes gear drive steady, and the vibration reduces, and the noise reduces.

Drawings

Fig. 1 is a schematic view of the practical application of the precision detection device for the tooth surface contact between the large gear ring and the gear shaft of the present invention;

fig. 2 is a schematic structural diagram of the precision detection device for the tooth surface contact of the large gear ring and the gear shaft of the present invention.

In the figure: 1. a work table; 2. a clamping mechanism; 21. a chuck; 22. tightening the screw; 23. adjusting the bolt; 24. adjusting the nut; 3. a swing mechanism; 31. a rotary support table; 32. a first bearing; 33. a second bearing; 34. a third bearing; 35. a bearing seat; 36. an end cap; 37. locking the nut; 38. a gasket; 39. a shaft sleeve; 4. a transverse feeding mechanism; 41. a base; 42. a slide base; 43. a slide rail; 44. a lead screw; 45. a nut; 46. a motor; 5. a large gear ring; 6. a gear shaft.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Example 1:

referring to fig. 1 and 2, the present invention provides a precision detecting device for tooth surface contact of a large ring gear and a gear shaft. The detection device comprises a workbench 1, a clamping mechanism 2, a rotary mechanism 3 and a transverse feeding mechanism 4. The workbench 1 is used for mounting the large gear ring 5, and the rotation of the large gear ring 5 is realized through the rotation of the workbench 1. The clamping mechanism 2 is used for fixing a gear shaft 6, the lower part of the clamping mechanism 2 is connected with the rotary mechanism 3, and the rotary mechanism 3 is connected with the transverse feeding mechanism 4. The gear shaft 6 is driven by the transverse feeding mechanism 4 to transversely move so as to be meshed with the large gear ring 5 on the workbench 1. After the large gear ring 5 is meshed with the gear shaft 6, the workbench 1 drives the large gear ring 5 to rotate, so that the large gear ring 5 can drive the gear shaft 6 to rotate, and the gear pair is oppositely ground.

Specifically, the clamping mechanism 2 includes a chuck 21, a set screw 22, an adjusting bolt 23, and an adjusting nut 24. The middle part of the chuck 21 is provided with a through hole for installing the gear shaft 6 along the axial direction, the upper part of the chuck 21 is provided with a plurality of set screws 22 for fixing the gear shaft 6 along the circumferential direction, the outer edge of the bottom of the chuck 21 is provided with an adjusting bolt 23, and the chuck 21 is connected with the rotary mechanism 3 through an adjusting nut 24. The chuck 21 is provided on the turning mechanism 3, and the axial position of the chuck 21 is adjusted by an adjusting bolt 23 and fixed by an adjusting nut 24. The gear shaft 6 is arranged in the chuck 21, the outer surface of the gear shaft 6 is fixed through at least three set screws 22 distributed along the circumferential direction of the chuck 21, and the axial position of the gear shaft 6 can be adjusted by adjusting the set screws 22, so that the limit of the gear shaft 6 is realized.

Specifically, the swing mechanism 3 includes a swing support table 31, a first bearing 32, a second bearing 33, a third bearing 34, and a bearing housing 35. The top of gyration supporting bench 31 is provided with the T-slot that is used for installing adjusting bolt 23, and adjusting bolt 23 can slide in the T-slot, and the T-slot is for following the radial logical groove that sets up of gyration supporting bench 31, makes things convenient for adjusting bolt 23's installation. The position of the chuck 21 of the clamping mechanism 2 on the rotary support table 31 is adjusted by the adjusting bolt 23, and after the adjustment is completed, the rotary support table 31 and the chuck 21 are fixed by the adjusting nut 24. The lower portion of the rotary support table 31 is rotatably connected to a bearing housing 35 through a first bearing 32, a second bearing 33 and a third bearing 34. The first bearing 32 is disposed on the top of the bearing housing 35, the second bearing 33 and the third bearing 34 are disposed at upper and lower positions inside the bearing housing 35, respectively, and both the second bearing 33 and the third bearing 34 are connected to the lower portion of the rotary support table 31 through a shaft housing 39. The bottom of the bearing seat 35 is fixed with the end cover 36 through screws, so that the installation and the maintenance of the swing mechanism 3 are facilitated. The bottom of the end cover 36 is connected with a nut 45 of the transverse feeding mechanism 4, and the transverse feeding mechanism 4 drives the bearing seat 35 and the rotary support table 31 to move transversely, so as to drive the clamping mechanism 2 and the gear shaft 6 to move transversely.

The swing mechanism 3 further comprises a locking nut 37, the locking nut 37 is in threaded connection with the bottom of the swing support table 31, and the outer diameter of the locking nut 37 is smaller than the inner diameter of the end cover 36, so that the swing mechanism 3 can better realize circular motion. A lock nut 37 is provided at a lower portion of the third bearing 34, and a washer 38 is provided between the lock nut 37 and the third bearing 34.

Specifically, the traverse mechanism 4 includes a base 41, a slide 42, a slide rail 43, a lead screw 44, a nut 45, and a motor 46. The upper part of the base 41 is provided with a slide rail 43, the slide rail 43 is connected with the slide seat 42 in a sliding way, and the slide seat 42 is fixedly connected with the bearing seat 35 of the swing mechanism 3. The lower part of the base 41 is provided with a screw 44 and a nut 45 matched with the screw 44, the nut 45 is fixedly connected with the end cover 36 at the bottom of the bearing seat 35, and one end of the screw 44 is connected with a motor 46. The screw 44 is driven to rotate by the motor 46, so as to drive the nut 45 to move on the screw 44, and further drive the swing mechanism 3 to move. The gear shaft 6 is arranged in the clamping mechanism 2, the clamping mechanism 2 is arranged on the swing mechanism 3, the swing mechanism 3 is arranged on the sliding seat 42, and the sliding seat 42 can drive the swing mechanism 3 to slide on the sliding rail 43 so as to adjust the center distance between the large gear ring 5 and the gear shaft 6. Meanwhile, the bottom end of the swing mechanism 3 is connected with a nut 45 to form a lead screw 44 pair with a lead screw 44, and the lead screw 44 pair is used together with the sliding seat 42 and the sliding rail 43, so that the stable transverse movement of the gear shaft 6 can be realized, and the adjustment of the meshing clearance between the large gear ring 5 and the gear shaft 6 can be further realized.

Specifically, the tooth surface of the gear shaft 6 meshing with the large ring gear 5 is coated with a layer of coloring oil. And detecting whether the meshing contact surface of the large gear ring 5 and the gear shaft 6 meets the requirement or not by a coloring method.

The following describes the usage of the present invention with reference to the attached drawings:

first, the large ring gear 5 is placed on the table 1, and rotation of the large ring gear 5 is achieved by rotation of the table 1.

Then, the clamp mechanism 2 is set on the turning mechanism 3, and the axial position of the clamp mechanism 2 is adjusted and fixed by the adjusting bolt 23. The gear shaft 6 is arranged in a chuck 21 of the clamping mechanism 2, the outer surface of the gear shaft 6 is fixed through at least three fastening screws 22 distributed along the circumferential direction of the chuck 21, the axial position of the gear shaft 6 can be adjusted by adjusting the fastening screws 22, and the limit of the gear shaft 6 is realized. The gear shaft 6 can better realize circular motion through the slewing mechanism 3. The transverse feeding mechanism 4 comprises a base 41, a lead screw 44, a nut 45, a slide rail 43 and a slide seat 42. The sliding base 42 can slide along the sliding rail 43, the swing mechanism 3 is disposed on the sliding base 42, and the sliding base 42 can drive the gear shaft 6 to slide along the sliding rail 43 to adjust the center distance between the large gear ring 5 and the gear shaft 6. Meanwhile, the bottom end of the swing mechanism 3 is connected with a nut 45, and the nut 45 and the lead screw 44 form a lead screw 44 pair. The motor 46 drives the lead screw 44 to rotate, so that the nut 45 linearly reciprocates on the lead screw 44, thereby driving the gear shaft 6 to transversely move. The screw 44 pair is used together with the slide rail 43 and the slide base 42, so that the gear shaft 6 can stably move transversely, the meshing clearance between the large gear ring 5 and the gear shaft 6 can be adjusted, and the gear pair can be ground oppositely.

And finally, adding a little engine oil into the red lead powder to prepare color-coated oil, uniformly coating the color-coated oil on the meshing surface of the gear shaft 6, observing the working surface of the gear teeth of the large gear ring 5 after the gear shaft 6 and the large gear ring 5 stably run and the large gear ring 5 rotates for 3-4 circles, and judging whether the meshing contact area and the meshing position of the gears meet the precision requirement or not according to the color traces.

Claims

1. A precision detection device for tooth surface contact of a large gear ring and a gear shaft is characterized in that: the gear shaft clamping device comprises a workbench, a clamping mechanism, a rotary mechanism and a transverse feeding mechanism, wherein the workbench is used for mounting the large gear ring, the clamping mechanism is used for fixing the gear shaft, the lower part of the clamping mechanism is connected with the rotary mechanism, the rotary mechanism is connected with the transverse feeding mechanism, and the transverse feeding mechanism drives the gear shaft to transversely move so as to be meshed with the large gear ring on the workbench.

2. The accuracy detection apparatus for tooth surface contact of a large ring gear and a gear shaft according to claim 1, characterized in that: clamping mechanism includes chuck, holding screw, adjusting bolt and adjusting nut, the middle part of chuck is provided with the through-hole that is used for installing the gear shaft along the axial, the upper portion setting of chuck is used for fixing a plurality of holding screw of gear shaft, the bottom of chuck is outer along last setting up adjusting bolt, through adjusting nut will the chuck with rotation mechanism connects.

3. The apparatus for detecting the accuracy of tooth surface contact of a large ring gear and a gear shaft according to claim 1, characterized in that: the rotary mechanism comprises a rotary support table, a first bearing, a second bearing, a third bearing and a bearing seat, wherein a T-shaped groove for mounting an adjusting bolt is formed in the top of the rotary support table, and the rotary support table and the clamping mechanism are fixed through the adjusting bolt and an adjusting nut; the lower part of the rotary supporting table is rotatably connected with the bearing seat through the first bearing, the second bearing and the third bearing, the first bearing is arranged at the top of the bearing seat, and the second bearing and the third bearing are arranged inside the bearing seat; the bottom of the bearing seat is connected with the transverse feeding mechanism.

4. The apparatus for detecting accuracy of tooth surface contact of a large ring gear and a gear shaft according to claim 3, characterized in that: the T-shaped groove is a through groove arranged along the radial direction of the rotary supporting table.

5. The apparatus for detecting accuracy of tooth surface contact of a large ring gear and a gear shaft according to claim 3, characterized in that: the rotary mechanism further comprises a locking nut, and the locking nut is connected with the bottom of the rotary supporting table.

6. The apparatus for detecting the accuracy of tooth surface contact of a large ring gear and a gear shaft according to claim 1, characterized in that: the transverse feeding mechanism comprises a base, a sliding seat, a sliding rail, a screw rod, a nut and a motor, wherein the sliding rail is arranged at the upper part of the base and is connected with the sliding seat in a sliding manner, and the sliding seat is connected with the slewing mechanism; the lower part of the base is provided with a lead screw and a nut matched with the lead screw, the nut is connected with the swing mechanism, one end of the lead screw is connected with the motor, and the lead screw is driven by the motor to rotate so as to drive the nut to move on the lead screw and further drive the swing mechanism to move.

7. The apparatus for detecting the accuracy of tooth surface contact of a large ring gear and a gear shaft according to claim 1, characterized in that: and a layer of coloring oil is coated on the tooth surface of the gear shaft meshed with the large gear ring.