CN220930124U - Structure for reducing unbalanced load stress of limit clamp spring - Google Patents
Structure for reducing unbalanced load stress of limit clamp spring Download PDFInfo
- Publication number
- CN220930124U CN220930124U CN202322643938.2U CN202322643938U CN220930124U CN 220930124 U CN220930124 U CN 220930124U CN 202322643938 U CN202322643938 U CN 202322643938U CN 220930124 U CN220930124 U CN 220930124U
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- clamp spring
- gear
- bearing
- power take
- gasket
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- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a structure for reducing the unbalanced load stress of a limiting clamp spring, which comprises a transmission shell, a power taking gear connecting shaft, a first bearing and a second bearing, wherein the power taking gear connecting shaft is in interference connection with the second bearing through the first bearing and is arranged in the transmission shell, an axial clearance adjustment is carried out on the second bearing by a bearing adjustment clamp spring on one side of the second bearing so as to ensure the rotation movement of the power taking gear connecting shaft, the power taking gear is sleeved on the power taking gear connecting shaft and is connected in a spline tooth form centering mode, and a limiting mechanism is sleeved on one side of the power taking gear and the power taking gear connecting shaft. According to the utility model, the force taking gear is axially limited between the force taking gear and the limiting clamp spring through the limiting mechanism, so that the connection and limitation of the force taking gear and the connecting shaft of the force taking device have the advantage of being more stable and reliable, and the risk of damage to the limiting clamp spring and the tail end of the shaft head of the connecting shaft of the force taking device due to single-side unbalanced load force is reduced.
Description
Technical Field
The utility model belongs to the technical field of speed changers, and particularly relates to a structure for reducing unbalanced load stress of a limiting clamp spring.
Background
The existing limit structure of the power take-off gear can meet the requirement of a common engineering truck, but cannot meet the requirement of a crane with a power take-off device running at full load for a long time, at present, due to the limitation of the internal space of a transmission, the power take-off gear installed on a power take-off device connecting shaft adopts a cantilever beam type structure, the power take-off gear is a helical gear, and in the long-time use process, the power take-off gear generates tiny inclination due to flexible tail-flick deformation of the power take-off device connecting shaft, so that the limit clamp spring and a gasket are in unilateral contact in the running process, at the moment, the limit clamp spring and the tail end of a shaft head are subjected to larger local concentrated load force, and the fault of breakage of the limit clamp spring and damage of the shaft head can not be met in the actual use process, so that the crane in the new market has the requirement of running at full load for the power take-off device for a long time.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides a structure for reducing the unbalanced load stress of a limiting clamp spring, wherein the limiting mechanism is used for axially limiting a power taking gear between the power taking gear and the limiting clamp spring, so that the connection and the limitation of a connecting shaft of the power taking gear and a power taking device have the advantages of being more stable and reliable, and the risk of damage to the limiting clamp spring and the tail end of a shaft head of the connecting shaft of the power taking device due to the single-side unbalanced load force is reduced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a reduce spacing jump ring unbalance loading atress structure, includes derailleur casing, power take-off gear, power take-off connecting axle, first bearing, second bearing, power take-off connecting axle passes through first bearing and second bearing interference connection and installs in the derailleur casing, the bearing adjustment jump ring of one side carries out axial clearance adjustment to the second bearing and guarantees power take-off connecting axle rotary motion, power take-off gear cover is established and is connected through spline profile of tooth centering's form at power take-off connecting axle, power take-off gear's one side, power take-off connecting axle are overlapped and are established and install stop gear.
The limiting mechanism comprises a limiting clamp spring, a clamp spring gasket and a gear gasket, wherein the limiting clamp spring, the clamp spring gasket and the gear gasket are sequentially arranged on the power takeoff connecting shaft from left to right, one end, away from the clamp spring gasket, of the gear gasket is abutted to one side of the power takeoff gear, an annular groove is formed in the power takeoff connecting shaft, and the limiting clamp spring is clamped in the annular groove.
Preferably, the contact end surface of the jump ring gasket and the limit jump ring adopts a planar structure, the end surface of the other side adopts a spherical structure, the contact end surface of the gear gasket and the power taking gear adopts a conventional planar structure, the end surface contacted with the spherical surface of the jump ring gasket adopts an inclined surface structure, and the spherical surface structure of the jump ring gasket is tangent with the inclined surface mechanism of the gear gasket.
The beneficial effects of the utility model are as follows:
1) The power take-off gear is axially limited between the power take-off gear and the limiting clamp spring through the limiting mechanism, so that the connection and limitation of the power take-off gear and the power take-off connecting shaft have the advantage of being more stable and reliable, and the risk of damage to the tail ends of the limiting clamp spring and the power take-off connecting shaft head due to single-side unbalanced load is reduced.
2) Through having seted up the ring channel on the power takeoff connecting axle, spacing jump ring joint is in the ring channel to increase the area of contact of spacing jump ring and power takeoff connecting axle, compare in the structure in the spacing jump ring groove of spline in the past, increased the area of contact of spacing jump ring and power takeoff connecting axle, guaranteed stop gear reliability.
3) The snap spring washer and the limiting snap spring contact end face adopt a planar structure, the other side end face is of a spherical structure, even if the power taking gear is slightly inclined in actual operation, the spherical structure of the snap spring washer end face can compensate the power taking gear, so that the situation that a single side is subjected to local load force is avoided, the gear washer and the power taking gear contact end face adopt a conventional planar structure, the end face contacted with the spherical surface of the snap spring washer is of an inclined surface structure, the spherical structure of the snap spring washer is tangential to the inclined surface mechanism of the gear washer, the inclined surface structure of the gear washer can enable partial axial impact load force to be decomposed into radial force to a certain extent, and therefore the axial load force borne by the limiting snap spring is further reduced, and the service life of the connecting shaft head of the limiting snap spring and the power taking device is prolonged.
Drawings
FIG. 1 is a schematic structural view of a structure for reducing unbalanced load stress of a limit clamp spring.
Fig. 2 is a cross-sectional view of a structure for reducing the unbalanced load stress of a limit clamp spring.
Fig. 3 is an enlarged view of a portion a of fig. 2.
In the figure: 1. a transmission housing; 2. limiting snap springs; 3. a jump ring gasket; 4. a gear washer; 5. a power take-off gear; 6. a power takeoff connecting shaft; 7. a bearing adjusting clamp spring; 8. a first bearing; 9. and a second bearing.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in an illustrative embodiment of the utility model, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The utility model provides a reduce spacing jump ring 2 unbalance loading atress structure, includes derailleur casing 1, power take-off gear 5, power take-off connecting axle 6, first bearing 8, second bearing 9, power take-off connecting axle 6 is installed in derailleur casing 1 through first bearing 8 and second bearing 9 interference connection, the bearing adjustment jump ring 7 of one side on the second bearing 9 carries out axial clearance adjustment to second bearing 9 and guarantees power take-off connecting axle 6 rotary motion, power take-off gear 5 cover is established and is connected at power take-off connecting axle 6 and through spline profile of tooth centering form, power take-off gear 5 one side, power take-off connecting axle 6 are gone up the cover and are established and install stop gear.
The limiting mechanism comprises a limiting clamp spring 2, a clamp spring gasket 3 and a gear gasket 4, wherein the limiting clamp spring 2, the clamp spring gasket 3 and the gear gasket 4 are sequentially arranged on a power takeoff connecting shaft 6 from left to right, one end of the gear gasket 4, which is far away from the clamp spring gasket 3, is abutted against one side of a power takeoff gear 5, an annular groove is formed in the power takeoff connecting shaft 6, and the limiting clamp spring 2 is clamped in the annular groove, so that the contact area between the limiting clamp spring 2 and the power takeoff connecting shaft 6 is increased, the contact area between the limiting clamp spring 2 and the power takeoff connecting shaft 6 is increased compared with that of a structure of a spline limiting clamp spring 2 groove in the past, and the reliability of the limiting mechanism is guaranteed.
The contact end face of the clamp spring gasket 3 and the limit clamp spring 2 adopts a planar structure, the end face of the other side is of a spherical structure, even if the power taking gear 5 is slightly inclined in actual operation, the spherical structure of the end face of the clamp spring gasket 3 can compensate the power taking gear, so that the limit clamp spring 2 cannot generate the situation that one side is subjected to local load force, the contact end face of the gear gasket 4 and the power taking gear 5 adopts a conventional planar structure, the end face contacted with the spherical surface of the clamp spring gasket 3 is of an inclined surface structure, the spherical structure of the clamp spring gasket 3 is tangent to the inclined surface mechanism of the gear gasket 4, and the inclined surface structure of the gear gasket 4 can decompose part of axial impact load force into radial force to a certain extent, so that the axial load force born by the limit clamp spring 2 is further reduced, and the service lives of the limit clamp spring 2 and the shaft head of the power taking device connecting shaft 6 are prolonged.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.
Claims (3)
1. The utility model provides a reduce spacing jump ring unbalance loading atress structure, includes derailleur casing, power take-off gear, power take-off connecting axle, first bearing, second bearing, power take-off connecting axle passes through first bearing and second bearing interference connection installs in the derailleur casing, the bearing adjustment jump ring of one side carries out axial clearance adjustment to the second bearing and guarantees power take-off connecting axle rotary motion, power take-off gear cover is established and is connected through spline profile of tooth centering's form at power take-off connecting axle, its characterized in that, power take-off gear's one side, power take-off connecting epaxial cover are established and are installed stop gear.
2. The structure for reducing unbalanced load of a limiting clamp spring according to claim 1, wherein the limiting mechanism comprises a limiting clamp spring, a clamp spring gasket and a gear gasket, the limiting clamp spring, the clamp spring gasket and the gear gasket are sequentially arranged on a power takeoff connecting shaft from left to right, one end, away from the clamp spring gasket, of the gear gasket is abutted to one side of a power takeoff gear, an annular groove is formed in the power takeoff connecting shaft, and the limiting clamp spring is clamped in the annular groove.
3. The structure for reducing the unbalanced load stress of the limiting clamp spring according to claim 2, wherein the contact end surface of the clamp spring washer and the limiting clamp spring adopts a planar structure, the other side end surface of the clamp spring is of a spherical structure, the contact end surface of the gear washer and the power taking gear adopts a conventional planar structure, the end surface contacted with the spherical surface of the clamp spring washer is of an inclined surface structure, and the spherical surface of the clamp spring washer is tangent with the inclined surface mechanism of the gear washer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322643938.2U CN220930124U (en) | 2023-09-27 | 2023-09-27 | Structure for reducing unbalanced load stress of limit clamp spring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322643938.2U CN220930124U (en) | 2023-09-27 | 2023-09-27 | Structure for reducing unbalanced load stress of limit clamp spring |
Publications (1)
Publication Number | Publication Date |
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CN220930124U true CN220930124U (en) | 2024-05-10 |
Family
ID=90962149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322643938.2U Active CN220930124U (en) | 2023-09-27 | 2023-09-27 | Structure for reducing unbalanced load stress of limit clamp spring |
Country Status (1)
Country | Link |
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CN (1) | CN220930124U (en) |
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2023
- 2023-09-27 CN CN202322643938.2U patent/CN220930124U/en active Active
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