CN210686900U - Gear protection device of rotary speed reducer - Google Patents
Gear protection device of rotary speed reducer Download PDFInfo
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- CN210686900U CN210686900U CN201921162994.1U CN201921162994U CN210686900U CN 210686900 U CN210686900 U CN 210686900U CN 201921162994 U CN201921162994 U CN 201921162994U CN 210686900 U CN210686900 U CN 210686900U
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- oil
- slewing bearing
- protection device
- oil outlet
- circumferential surface
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Abstract
A gear protection device of a rotary speed reducer relates to a protection device. An annular elastic sheet is fixed on the inner circumferential surface of a gear ring of the slewing bearing, and the inner circumferential surface of the annular elastic sheet is in interference clamping connection with the mounting ring; the inside of slewing bearing's ring gear is equipped with the oil duct, and the inside of every teeth of a cogwheel of slewing bearing all is equipped with the radial oil outlet that runs through slewing bearing, and every oil outlet all sets up with the oil duct intercommunication, and two relative inside walls of every oil outlet all correspond and are equipped with the oil storage tank, all are equipped with accuse oil mechanism in every oil outlet. The utility model is provided with the oil outlet and the oil control mechanism, when the slewing bearing rotates, the output of automatic equivalent lubricating oil can be realized, the guard of special staff is not needed, the production resource and time are saved, and the problems of waste of the lubricating oil and insufficient use amount can not be caused; meanwhile, the annular elastic piece is in interference clamping connection with the mounting ring, so that overload protection is provided when the stress is overlarge, the rotary support is prevented from being damaged, and the transmission efficiency is improved.
Description
Technical Field
The utility model relates to a protection device, especially a rotary speed reducer gear protection device.
Background
The slewing reducer is a universal type speed reducing transmission mechanism integrating a driving power source, and takes a slewing bearing (commonly called a turntable, also called a slewing bearing) as a transmission driven part and a mechanism attachment part, one of an inner ring and an outer ring of the slewing bearing is attached with a driving part, a driving source and a housing, and the other ring is taken as the transmission driven part and also taken as a connecting base of a driven working part, so that the driving power source and the main transmission part are efficiently configured by utilizing the characteristic that the slewing bearing is a full-circle slewing connecting part, and the universal type speed reducing transmission mechanism integrates the functions of slewing, speed reducing and driving, has a simple structure and is convenient to manufacture and maintain.
The slewing reducer adopts the slewing bearing as a reducer driven part, can realize unlimited circumferential slewing and speed reduction, can bear larger axial force, radial force and overturning force, can be manufactured into standard mechanical parts so as to be applied to various mechanical equipment with rotation requirements, particularly has the advantages of high precision, compact structure and large bearing capacity, and is suitable for being used under severe working condition environments.
The form of slewing reducer mainly has two kinds, one kind is worm direct drive slewing bearing, another kind is through driving gear drive slewing bearing, no matter above-mentioned slewing reducer of which kind of form, all need use lubricating oil to transmit when the function and lubricate, in the operation now, add lubricating oil through the manpower more, then need the staff often to guard on, waste time and energy, simultaneously, how much of lubricating oil additive amount all is according to staff's subjective judgement decision, too few then can't play fine lubrication action, too much then cause the waste of lubricating oil easily. In addition, the slewing bearing of the conventional slewing reducer is generally integrally manufactured, has no overload protection function, is easy to damage when being stressed excessively, and reduces the transmission efficiency.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the background art, the utility model provides a rotary speed reducer gear protection device.
The purpose is achieved, the utility model adopts the following technical proposal: a gear protection device of a rotary speed reducer comprises a rotary support, an annular elastic sheet, a mounting ring and a plurality of oil control mechanisms, wherein the annular elastic sheet is fixed on the inner circumferential surface of a gear ring of the rotary support, and the inner circumferential surface of the annular elastic sheet is in interference clamping connection with the mounting ring; the inside of slewing bearing's ring gear is equipped with the oil duct, and the inside of every teeth of a cogwheel of slewing bearing all is equipped with runs through the radial oil outlet of slewing bearing, every the oil outlet all sets up with the oil duct intercommunication, and two relative inside walls of every oil outlet all correspond and are equipped with the oil storage tank, all are equipped with accuse oil mechanism in every oil outlet.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the oil outlet and the oil control mechanism, when the slewing bearing rotates, the output of automatic equivalent lubricating oil can be realized, the guard of special staff is not needed, the production resource and time are saved, and the problems of waste of the lubricating oil and insufficient use amount can not be caused; meanwhile, the annular elastic piece is in interference clamping connection with the mounting ring, so that overload protection is provided when the stress is overlarge, the rotary support is prevented from being damaged, and the transmission efficiency is improved.
Drawings
FIG. 1 is an isometric view of the overall construction of a slewing bearing;
fig. 2 is a schematic view of the connection relationship of the oil passage and the oil control mechanism.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
The first embodiment is as follows: as shown in fig. 1-2, the utility model discloses a gear protection device of a rotary speed reducer, which comprises a rotary support 1, an annular elastic sheet 2, a mounting ring 3 and a plurality of oil control mechanisms, wherein the annular elastic sheet 2 is fixed on the inner circumferential surface of a gear ring 11 of the rotary support 1, and the inner circumferential surface of the annular elastic sheet 2 is in interference clamping connection with the mounting ring 3; an oil duct 12 is arranged inside the gear ring 11 of the slewing bearing 1 along the circumferential direction of the gear ring, an oil outlet 14 penetrating through the slewing bearing 1 in the radial direction is arranged inside each gear tooth 13 of the slewing bearing 1, each oil outlet 14 is communicated with the oil duct 12, oil storage grooves 15 are correspondingly arranged on two opposite inner side walls of each oil outlet 14, and an oil control mechanism is arranged in each oil outlet 14; an oil inlet 17 is formed in one end face of the slewing bearing 1, and the oil inlet 17 is communicated with an oil inlet pipe through a universal connector.
The second embodiment is as follows: as shown in fig. 1, this embodiment is further described as a first embodiment, the inner circumferential surface of the annular elastic sheet 2 is provided with a plurality of sets of elastic protrusions 21 along the radial direction, and each set of elastic protrusions 21 includes two elastic protrusions 21.
The third concrete implementation mode: as shown in fig. 1, this embodiment is a further description of the second embodiment, and the plurality of sets of elastic protrusions 21 are uniformly arranged along the circumferential direction of the annular elastic sheet 2.
The fourth concrete implementation mode: as shown in fig. 1, this embodiment is further described with respect to the second embodiment, the outer circumferential surface of the mounting ring 3 is provided with a plurality of fixing protrusions 31 along the radial direction thereof, each fixing protrusion 31 is clamped in a corresponding set of elastic protrusions 21, and a moving space 16 is provided between the outer circumferential surface of the mounting ring 3 and the inner circumferential surface of the annular elastic sheet 2.
The fifth concrete implementation mode: as shown in fig. 1, the present embodiment is further described with respect to the fourth embodiment, and the plurality of fixing protrusions 31 are uniformly distributed along the outer circumferential direction of the mounting ring 3. Each fixing protrusion 31 and each elastic protrusion 21 have a semicircular cross section, so that they can be relatively displaced when in overload motion, thereby achieving overload protection.
The sixth specific implementation mode: as shown in fig. 1 and 2, the first embodiment is further described, each of the oil control mechanisms includes a telescopic rod 5, a spring 6, a baffle 7 and a push rod 8, the spring 6 is sleeved outside the telescopic rod 5, the telescopic rod 5 is radially arranged along the slewing bearing 1, one end of the telescopic rod 5 is fixedly connected with one side of the oil outlet 14 adjacent to the oil passage 12 through a fixing frame 4, the other end of the telescopic rod 5 is fixed with the baffle 7, two ends of the baffle 7 are respectively arranged in the corresponding oil storage tanks 15, the push rods 8 are fixed outside the baffle 7, and when the spring 6 is in a free state, the outside of the baffle 7 is tightly attached to the oil storage tanks 15.
The seventh embodiment: in the sixth embodiment, the telescopic rods 5 each include an inner rod and an outer tube which are sleeved with each other.
The specific implementation mode is eight: as shown in fig. 1 and 2, in the present embodiment, a sixth specific embodiment is further described, and an outer end of each of the push rods 8 is provided with a circular arc-shaped chamfer.
When the utility model discloses normal during operation, along with slewing bearing 1's rotation, a plurality of oily mechanisms of accuse contact with worm or driving gear in proper order, during the contact, along slewing bearing 1's radial promotion push rod 8, promote baffle 7 then to the motion of 15 interior bottoms of oil storage tanks, realize the supply of equivalent lubricating oil then. When the oil control mechanism is separated from the worm or the driving gear, the baffle 7 returns to the original position under the action of the spring 6, and then the supply of the lubricating oil is stopped, so that the equivalent automatic supply of the lubricating oil is realized.
When the utility model discloses when the atress was too big, relative displacement took place between the elastic bulge 21 that the fixed bulge 31 of collar 3 and annular elastic piece 2 correspond, and fixed bulge 31 stops collar 3's rotation then in entering into corresponding activity space 16, realizes overload protection.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a gyration speed reducer gear protection device which characterized in that: the oil control device comprises a slewing bearing (1), an annular elastic sheet (2), a mounting ring (3) and a plurality of oil control mechanisms, wherein the annular elastic sheet (2) is fixed on the inner circumferential surface of a gear ring (11) of the slewing bearing (1), and the inner circumferential surface of the annular elastic sheet (2) is in interference clamping connection with the mounting ring (3); the inside of ring gear (11) of slewing bearing (1) is equipped with oil duct (12), and the inside of every teeth of a cogwheel (13) of slewing bearing (1) all is equipped with and runs through radial oil outlet (14) of slewing bearing (1), every oil outlet (14) all set up with oil duct (12) intercommunication, and two relative inside walls of every oil outlet (14) all correspond and are equipped with oil storage tank (15), all are equipped with accuse oily mechanism in every oil outlet (14).
2. The rotary reducer gear protection device according to claim 1, characterized in that: the inner circumferential surface of the annular elastic sheet (2) is provided with a plurality of groups of elastic bulges (21), and each group of elastic bulges (21) comprises two elastic bulges (21).
3. The rotary reducer gear protection device according to claim 2, characterized in that: the elastic bulges (21) are uniformly distributed along the circumferential direction of the annular elastic sheet (2).
4. The rotary reducer gear protection device according to claim 2, characterized in that: the outer circumferential surface of the mounting ring (3) is provided with a plurality of fixing bulges (31), each fixing bulge (31) is clamped in the corresponding group of elastic bulges (21), and a movable space (16) is arranged between the outer circumferential surface of the mounting ring (3) and the inner circumferential surface of the annular elastic sheet (2).
5. The rotary reducer gear protection device according to claim 4, characterized in that: the fixing protrusions (31) are uniformly distributed along the outer circumferential direction of the mounting ring (3).
6. The rotary reducer gear protection device according to claim 1, characterized in that: every oily mechanism of accuse all includes telescopic link (5), spring (6), baffle (7) and push rod (8), spring (6) suit is in the outside of telescopic link (5), telescopic link (5) are along slewing bearing's (1) radial setting, and one side fixed connection of the adjacent oil duct (12) of one end and oil outlet (14) of telescopic link (5), the other end of telescopic link (5) is fixed with baffle (7), the both ends of baffle (7) set up respectively in oil storage tank (15) that correspond and the outside is fixed with push rod (8).
7. The rotary reducer gear protection device according to claim 6, characterized in that: each telescopic rod (5) comprises an inner rod and an outer tube which are mutually sleeved.
8. The rotary reducer gear protection device according to claim 6, characterized in that: the outer end of each push rod (8) is provided with a circular arc chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162994.1U CN210686900U (en) | 2019-07-23 | 2019-07-23 | Gear protection device of rotary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162994.1U CN210686900U (en) | 2019-07-23 | 2019-07-23 | Gear protection device of rotary speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN210686900U true CN210686900U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921162994.1U Active CN210686900U (en) | 2019-07-23 | 2019-07-23 | Gear protection device of rotary speed reducer |
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| CN (1) | CN210686900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360951A (en) * | 2020-10-29 | 2021-02-12 | 洪利星 | Intermittent driving gear structure with adjustable period |
-
2019
- 2019-07-23 CN CN201921162994.1U patent/CN210686900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360951A (en) * | 2020-10-29 | 2021-02-12 | 洪利星 | Intermittent driving gear structure with adjustable period |
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