CN214092966U - Axial clearance adjusting device of speed reducer - Google Patents
Axial clearance adjusting device of speed reducer Download PDFInfo
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- CN214092966U CN214092966U CN202022765588.3U CN202022765588U CN214092966U CN 214092966 U CN214092966 U CN 214092966U CN 202022765588 U CN202022765588 U CN 202022765588U CN 214092966 U CN214092966 U CN 214092966U
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- output shaft
- bearing
- speed reducer
- clearance adjusting
- adjusting device
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Abstract
The utility model relates to a speed reducer technical field discloses a speed reducer axial clearance adjusting device to current bearing and the loaded down with trivial details problem of output shaft clearance adjustment dismouting, including box, output shaft, output oil closing cap, big end cover, the both sides that output oil closing cap and big end cover were installed respectively, big end cover inboard is equipped with the mounting groove, is equipped with clearance adjustment gasket and second bearing in the mounting groove, output shaft one end runs through the output oil closing cap, the other end install in on the second bearing. The utility model is provided with the clearance adjusting gasket in the axial direction of the bearing, which can adjust the axial clearance between the bearing and the output shaft in real time, thereby saving time and labor; the smooth transmission of the worm and the efficient transmission of the turbine are realized, all connecting components are tightly connected, the structure is compact, the transmission efficiency is high, the maintenance cost is low, and the service life is long; the clearance adjustment of the precision worm gear speed reducer is guaranteed, and the clearance can be adjusted to a very precise requirement by using the freely-adjustable device.
Description
Technical Field
The utility model belongs to the technical field of speed reducer structure technique and specifically relates to a speed reducer axial clearance adjusting device is related to.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery. Usually in order to guarantee the transmission effect, need closely cooperate between bearing and the output shaft, but along with live time's lapse in the use, can become flexible even take place to shift between bearing and the output shaft, just so can influence the rotation effect of output shaft, and then influence its transmission ability, among the current speed reducer, need dismantle after end cover and box, adjust the reinstallation to bearing and output shaft, the consuming time and power of adjustment process.
Patent number CN201520359675.5, patent name "speed reducer oil blanket installation mechanism", the utility model relates to a speed reducer spare part especially relates to a speed reducer oil blanket installation mechanism. The technical problems that when an oil seal is installed in a speed reducer in the prior art, the concentricity of the oil seal is poor, the oil seal is easy to scratch a shaft shoulder chamfer of an output shaft when being installed, the uniformity of the oil seal during installation is poor and the like are solved. The utility model discloses a box (1), box (1) cross-under have output shaft (2), be equipped with bearing (3) on the output shaft, be equipped with oil blanket (4) between output shaft and the box, the outside of oil blanket is equipped with installation cover (5), the interior terminal surface contact oil blanket of installation cover is equipped with installation core (6) between installation cover and the output shaft, the axle shoulder of output shaft is contacted to the installation in-core end.
The novel output shaft bearing has the disadvantages that the adjustment and disassembly of the gap between the output shaft and the bearing are troublesome, and time and labor are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome current bearing and the loaded down with trivial details problem of output shaft clearance adjustment dismouting, provide a speed reducer axial clearance adjusting device, the utility model discloses be equipped with clearance adjustment gasket in the axial of bearing, can adjust the axial clearance between bearing and the output shaft in real time, realize the smooth transmission of worm and the high-efficient transmission of turbine, zonulae occludens between each coupling assembling, compact structure, transmission efficiency is high, and the maintenance cost is low, long service life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the axial clearance adjusting device of the speed reducer comprises a box body, an output shaft, an output oil sealing cover and a large end cover, wherein the output oil sealing cover and the large end cover are respectively arranged on two sides, a mounting groove is formed in the inner side of the large end cover, a clearance adjusting gasket and a second bearing are arranged in the mounting groove, one end of the output shaft penetrates through the output oil sealing cover, and the other end of the output shaft is arranged on the second bearing.
Output shaft through connection speed reducer box, the output oil closing cap, first bearing and second bearing, the output shaft plays the transmission of whole speed reducer structure, the output oil closing cap plays the sealed effect of lubricating oil, the little end cover also plays sealed effect, clearance adjustment gasket can play the effect in real time adjustment output shaft and bearing clearance, make and keep higher tight fit degree between bearing and the output shaft, and then guarantee the transmission effect of output shaft, orderly connection between each subassembly, moreover, the steam generator is simple in structure, mutually support between the subassembly, realize effective sealing, high-efficient transmission.
Preferably, the big end cover is provided with a fastening bolt in a penetrating way, one end of the fastening bolt is propped against the gap adjusting gasket, and the other end of the fastening bolt is fixed with a locking nut.
The large end cover plays a stable fixing role for the fastening bolt, one end of the fastening bolt is propped against the gap adjusting gasket, and the other end of the fastening bolt is fixed with the locking nut; the locking nut plays a fixed role in the fastening bolt, and when the fastening bolt does not need to be adjusted, the locking nut is screwed up to fix the fastening bolt so as to realize the support of the fastening bolt on the gap adjusting gasket.
Preferably, the fastening bolt, the gap adjustment washer, and the output shaft are coaxial with each other.
In order to have a better adjusting and fixing function for the gap adjusting gasket and the output shaft, a fastening bolt is required to be coaxial with the gap adjusting gasket and the output shaft to realize adjustment.
Preferably, a section of the output shaft in the box body is provided with a worm gear.
The worm gear is located inside the gear box, which exists as the main power transmission mechanism.
Preferably, a first bearing is arranged between the box body close to one side of the output oil sealing cover and the output shaft, an extending part located in a through hole of the box body is arranged on the inner side of the output oil sealing cover, and the first bearing is tightly abutted to the extending part.
Preferably, an oil seal groove is formed in the inner side of the stretching portion, an oil seal is arranged in the oil seal groove, and the oil seal is distributed around the output shaft.
The encapsulation side of big end cover and output oil closing cap joint respectively in the second bearing and the primary shaft holds the outside for connection between each subassembly is inseparabler, prevents to take place between the subassembly not hard up, and output oil closing cap and output shaft contact position are equipped with the oil blanket simultaneously, have guaranteed the sealed effect of lubricating oil, have stabilized the transmission effect of worm.
Preferably, a sleeve is provided around a section of the output shaft between the worm wheel and the first bearing.
The axle sleeve can play better reinforcing effect on the one hand to the output shaft, and on the other hand can play better positioning action to the installation of worm wheel and first bearing, greatly prolongs the life of output shaft, promotes the installation effectiveness of whole subassembly.
Preferably, an O-ring is arranged between the circumferential direction of the gap adjusting gasket and the inner wall of the mounting groove.
In the process of adjusting the clearance, the clearance adjusting gasket can move left and right, the O-shaped ring can play a good sealing effect on one hand, and on the other hand can protect the clearance adjusting gasket from being worn and torn in the moving process, so that the service life of the clearance adjusting gasket is prolonged, and the overall sealing effect of the speed reducer box is improved.
Preferably, the large end cover and the output oil sealing cover are respectively connected with the box body through screws, and the screws are distributed around the output shaft.
The screws are uniformly distributed around the output shaft, so that the connection between the large end cover and the output oil sealing cover is more stable, the whole sealing mechanism is more fastened, and the transmission mechanism is more firm and stable.
Therefore, the utility model discloses following beneficial effect has:
(1) the utility model provides a speed reducer axial clearance adjusting device, the utility model is provided with a clearance adjusting gasket in the axial direction of the bearing, the axial clearance between the bearing and the output shaft can be adjusted in real time, and time and labor are saved;
(2) one end of the fastening bolt is abutted against the gap adjusting gasket, and the other end of the fastening bolt is fixedly provided with a locking nut;
(3) the smooth transmission of the worm and the efficient transmission of the turbine are realized, all connecting components are tightly connected, the structure is compact, the transmission efficiency is high, the maintenance cost is low, and the service life is long;
(4) the clearance adjustment of the high-precision worm gear speed reducer is ensured, and the clearance can be adjusted to very accurate requirements by using the freely-adjustable device; the later stage maintenance of being convenient for, after the customer used a period, the axial clearance can the grow, and this device scene is convenient to be adjusted, need not shut down.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a box body; 2. a worm gear; 3. an output shaft; 4.1, a first bearing; 4.2, a second bearing; 5. an output oil seal cover; 5.1, an extending part; 5.2, oil seal groove; 6. oil sealing; 7. a gap adjusting shim; 8. an O-shaped ring; 9. a large end cap; 10. locking the nut; 11. a fastening bolt, 12 and a mounting groove; 13. a screw; 14. and a shaft sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1
The axial clearance adjusting device of the speed reducer comprises a box body 1, an output shaft 3, an output oil sealing cover 5 and a large end cover 9, wherein the output oil sealing cover 5 and the large end cover 9 are respectively arranged on two sides, a mounting groove 12 is formed in the inner side of the large end cover 9, a clearance adjusting gasket 7 and a second bearing 4.2 are arranged in the mounting groove 12, one end of the output shaft 3 penetrates through the output oil sealing cover 5, and the other end of the output shaft is arranged on the second bearing 4.2.
The big end cover 9 is provided with a fastening bolt 11 in a penetrating way, one end of the fastening bolt 11 is propped against the gap adjusting gasket 7, and the other end of the fastening bolt is fixed with a locking nut 10. The fastening bolt 11, the gap adjusting shim 7 and the output shaft 3 are coaxial. A worm wheel 2 is arranged on one section of the output shaft 3 positioned in the box body 1. A first bearing 4.1 is arranged between the box body 1 and the output shaft 3, wherein the side, close to the output oil seal cover 5, of the box body 1, an extending part 5.1 located in a through hole of the box body 1 is arranged on the inner side of the output oil seal cover 5, and the first bearing 4.1 is tightly abutted to the extending part 5.1. The inboard of portion 5.1 that stretches into is equipped with oil blanket groove 5.2, be equipped with oil blanket 6 in the oil blanket groove 5.2, oil blanket 6 distributes around output shaft 3. A sleeve 14 is arranged around a section of the output shaft 3 between the worm wheel 2 and the first bearing 4.1. The first bearing and the second bearing are both conical bearings and play a role in centripetally fixing the output shaft.
And an O-shaped ring 8 is arranged between the circumferential direction of the gap adjusting gasket 7 and the inner wall of the mounting groove 12. The large end cover 9 and the output oil seal cover 5 are respectively connected with the box body 1 through screws 13, and the screws 13 are distributed around the output shaft 3.
The method comprises the following specific implementation steps:
the method comprises the steps of placing an oil seal in an oil seal groove, then installing a gap adjusting gasket and a second bearing in an installation groove, firstly enabling a worm to penetrate through a box body of the speed reducer, fixing a large end cover and a first bearing, fixing an output oil seal cover on the outer side of the first bearing, screwing screws, fixing the large end cover and the output oil seal cover with the box body of the speed reducer respectively, and installing a fastening bolt and a locking nut on the side face of the large end cover to realize fastening, sealing and installation of the integral structure of the speed reducer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a speed reducer axial clearance adjusting device, characterized by, includes box (1), output shaft (3), output oil closing cap (5), big end cover (9), the both sides that output oil closing cap (5) and big end cover (9) were installed respectively, big end cover (9) inboard is equipped with mounting groove (12), is equipped with clearance adjustment gasket (7) and second bearing (4.2) in mounting groove (12), output shaft (3) one end is run through output oil closing cap (5), and the other end install in on second bearing (4.2).
2. The axial clearance adjusting device of the speed reducer as claimed in claim 1, wherein a fastening bolt (11) penetrates through the large end cover (9), one end of the fastening bolt (11) is abutted against the clearance adjusting gasket (7), and a locking nut (10) is fixed to the other end of the fastening bolt.
3. The axial clearance adjusting device of the speed reducer as claimed in claim 2, wherein the fastening bolt (11), the clearance adjusting washer (7) and the output shaft (3) are coaxial.
4. The axial clearance adjusting device of the speed reducer as claimed in claim 1 or 2, wherein a worm wheel (2) is arranged on a section of the output shaft (3) located in the box body (1).
5. The axial clearance adjusting device of the speed reducer as claimed in claim 4, wherein a first bearing (4.1) is arranged between the box body (1) close to one side of the output oil sealing cover (5) and the output shaft (3), an extending part (5.1) located in a through hole of the box body (1) is arranged on the inner side of the output oil sealing cover (5), and the first bearing (4.1) is tightly abutted to the extending part (5.1).
6. The axial clearance adjusting device of the speed reducer as claimed in claim 5, wherein an oil seal groove (5.2) is formed in the inner side of the extending portion (5.1), an oil seal (6) is arranged in the oil seal groove (5.2), and the oil seal (6) is distributed around the output shaft (3).
7. A reducer axial clearance adjusting device according to claim 5, characterized in that a shaft sleeve (14) is arranged around a section of the output shaft (3) between the worm wheel (2) and the first bearing (4.1).
8. The axial clearance adjusting device of the speed reducer as claimed in claim 1 or 2, wherein an O-shaped ring (8) is arranged between the circumferential direction of the clearance adjusting gasket (7) and the inner wall of the mounting groove (12).
9. The axial clearance adjusting device of the speed reducer as claimed in claim 1 or 2, wherein the large end cover (9) and the output oil seal cover (5) are respectively connected with the box body (1) through screws (13), and the screws (13) are distributed around the output shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022765588.3U CN214092966U (en) | 2020-11-25 | 2020-11-25 | Axial clearance adjusting device of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022765588.3U CN214092966U (en) | 2020-11-25 | 2020-11-25 | Axial clearance adjusting device of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214092966U true CN214092966U (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022765588.3U Active CN214092966U (en) | 2020-11-25 | 2020-11-25 | Axial clearance adjusting device of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214092966U (en) |
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2020
- 2020-11-25 CN CN202022765588.3U patent/CN214092966U/en active Active
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