CN207935357U - A kind of structural shape of spiral bevel gear pair axial gap adjustment - Google Patents
A kind of structural shape of spiral bevel gear pair axial gap adjustment Download PDFInfo
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- CN207935357U CN207935357U CN201820308312.2U CN201820308312U CN207935357U CN 207935357 U CN207935357 U CN 207935357U CN 201820308312 U CN201820308312 U CN 201820308312U CN 207935357 U CN207935357 U CN 207935357U
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- bearing
- bevel gear
- spiral bevel
- adjusting nut
- axial gap
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Abstract
A kind of structural shape of spiral bevel gear pair axial gap adjustment,Including gear shaft,Bearing body,Body,Flange adjusting nut,Bolt,It slots oval styletable holding screw,Spiral bevel gear,Logical lid,Taper roll bearing and cylinder roller bearing etc.,Gear shaft realizes a fulcrum twin fixed guide-vane by two kinds of bearings,The cantilever support structure of another fulcrum travelling,Logical lid and flange adjusting nut are fixed together by bolt with body,In the elongated slot slotted on the cylindrical end insertion bearing body of oval styletable holding screw,Limit the relative rotation of bearing body and body,Flange adjusting nut is connect by screw thread pair with bearing body,Rotary flange adjusting nut drives bearing body and gear shaft to axially move,Thus the axial gap of two spiral bevel gears being meshed is adjusted,This mobile accuracy has fully met the needs of the axial gap adjustment of heavy machinery industry curved-tooth bevel gear wheel set,Compared with adjusting pad,This structural shape gathers without repeated disassembled and assembled examination,Efficiency high-precision is good.
Description
Technical field
The utility model is related in a kind of retarder bevel gear pair structure more particularly to a kind of spiral bevel gear countershaft to
The structural shape of gap adjustment.
Background technology
Since spiral bevel gear has special helical tooth wire shaped, in taking turns engagement process, meshing backlass, contact essence
Degree, noise, vibration are related with the axial gap of curved-tooth bevel gear wheel set, and the purpose of the axial gap adjustment of spiral bevel gear is exactly
Meet aforementioned four index, by testing repeatedly, finds out suitable position, the engagement of spiral bevel gear is made to reach optimum state.
Currently, the adjustment of spiral bevel gear axial gap drives mainly by adjusting pad is increased or decreased and is mounted on flange shaft
Curved-tooth bevel gear wheel shaft in bearing sleeve axially moves, the axial gap size between spiral bevel gear to adjust two engagements.It adjusts
Whole pad is made of one group of metal or non-metallic gasket of varying thickness, the thickness value of each gasket be 2mm, 1mm, 0.5mm,
0.02mm etc., when the increase and decrease using adjustment mat thickness carries out axial gap adjustment, operating personnel choose different-thickness repeatedly
Gasket examination is gathered, and to realize required ideal gap, because needing repeated disassembled and assembled, the workload of adjustment is very big, simultaneously as adjustment
The limitation of gasket minimum thickness (0.02mm), it is difficult to meet the requirement of axial gap precision, so there are efficiency is low and low precision
The problem of.
Invention content
In view of the deficiencies of the prior art, the utility model provides a kind of structural type of spiral bevel gear pair axial gap adjustment
Formula.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of structural shape of spiral bevel gear pair axial gap adjustment, including gear shaft, bearing body, body, flange
Adjusting nut, taper roll bearing and cylinder roller bearing are equipped with taper roll bearing and cylinder roller bearing on gear shaft,
These bearings are mounted in bearing holder (housing, cover) body, and bearing body is mounted in the axis hole of body, the outer diameter of bearing body and the axis of body
Bore dia matches, and the side of flange adjusting nut is contacted with the side of body, and flange adjusting nut is connected to axis by screw thread pair
The external side of bearing sleeve, the i.e. internal thread of flange adjusting nut and the external screw thread of bearing body corresponding position match, rotary flange tune
Whole nut drives bearing body and gear shaft to axially move.
Optimal, the internal thread of flange adjusting nut and the external screw thread of bearing body are fine thread.
Optimal, further include bolt, the oval styletable holding screw of fluting and Tong Gai, the logical lid of bolt-through and flange adjust spiral shell
Imperial mother is threadedly coupled with body so that logical lid, flange adjusting nut and body are relatively fixed, oval styletable holding screw rotation of slotting
After entering the tapped through hole on body, cylindrical end is inserted into the elongated slot on bearing body, limits the opposite of bearing body and body
Rotation, the cylindrical end diameter for oval styletable holding screw of slotting are matched with the width of elongated slot.
It is optimal, the internal thread of the flange adjusting nut and the external screw thread of bearing body its screw pitch be 0.5mm or 1mm or
1.5mm。
Optimal, further include spiral bevel gear, spiral bevel gear and the spiral bevel gear of described gear shaft one end are mutually nibbled
It closes.
It is optimal, gear be pivotally supported be two point supportings cantilever design, first fulcrum reversely installed by two
Taper roll bearing is constituted, it can constrain gear shaft bi-directional axial, and second fulcrum is by cylindrical roller of the inner ring without rib
Bearing is constituted, it to gear shaft axial constraint, does not belong to travelling supporting structure.
Optimal, the external screw thread major diameter of the bearing body is slightly smaller compared with its outer diameter.
As shown from the above technical solution, a kind of structure of spiral bevel gear pair axial gap adjustment provided by the utility model
Pattern is to replace adjusting pad using screw pair, and the axial gap of curved-tooth bevel gear wheel set, root are adjusted by rotary flange adjusting nut
The fine thread that screw pitch is tri- kinds of specifications of 0.5mm, 1mm, 1.5mm may be selected in the requirement of sawteeth wheel set axial gap Adjustment precision
In any one, for these three screw pitch, when the rotation of flange adjusting nut is turned around, bearing sleeve body just axially moves respectively
0.5mm, 1mm, 1.5mm, flange adjusting nut turn once, bearing body just axially move respectively 0.0014mm,
0.0028mm, 0.0042mm, this mobile accuracy have fully met the axial gap tune of heavy machinery industry curved-tooth bevel gear wheel set
Whole needs.Compared with adjusting pad, the utility model gathers without repeated disassembled and assembled examination, and efficiency high-precision is good.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of currently used spiral bevel gear pair axial gap adjustment, and wherein A is adjusting pad.
Attached drawing 2 is the structural schematic diagram of the utility model spiral bevel gear pair axial gap adjustment.
In figure：Gear shaft 10, bearing body 20, body 30, flange adjusting nut 40, bolt 50, the oval styletable of fluting are tight
Determine screw 60, spiral bevel gear 70, logical lid 80, taper roll bearing 90, cylinder roller bearing 100.
Specific implementation mode
In conjunction with the attached drawing of the utility model, the technical solution of utility model embodiment is further elaborated.
With reference to shown in attached drawing 1, the adjustment of spiral bevel gear axial gap at present mainly by increasing or decreasing adjusting pad A, by
This drives the gear shaft being mounted in flange shaft bearing sleeve to axially move, the axis between spiral bevel gear to adjust two engagements
To gap size.Adjusting pad is made of one group of metal or non-metallic gasket of varying thickness, each spacer thickness value be 2mm,
1mm, 0.5mm, 0.02mm etc. need operating personnel to select repeatedly when the increase and decrease using adjustment mat thickness carries out axial gap adjustment
The gasket of different-thickness is taken to try to gather, to realize required ideal gap, because needing repeated disassembled and assembled, the workload of adjustment is very big, together
When, due to the limitation of adjust pad minimum thickness (0.02mm), it is difficult to meet the ideal required precision of axial gap, so in the presence of
The problem of efficiency is low and low precision.
As shown in Fig. 2, a kind of structural shape of spiral bevel gear pair axial gap adjustment, including gear shaft 10, bearing holder (housing, cover)
Body 20, body 30, flange adjusting nut 40, bolt 50, the oval styletable holding screw 60 of fluting, spiral bevel gear 70, logical lid 80,
Taper roll bearing 90, cylinder roller bearing 100.
Taper roll bearing 90 and cylinder roller bearing 100 are installed, these bearings are installed in bearing on gear shaft 10
In body 20, bearing body 20 is mounted in the axis hole of body 30, the shaft hole diameter of the outer diameter and body 30 of bearing body 20
Match, the side of flange adjusting nut 40 is contacted with the side of body 30, and flange adjusting nut 30 is connected to bearing by screw thread pair
20 outside of body, the i.e. internal thread of flange adjusting nut 40 and the external screw thread of 20 corresponding position of bearing body match, rotary process
Blue adjusting nut 40 drives bearing body 20 and gear shaft 10 to axially move.
The internal thread of flange adjusting nut 40 and the external screw thread of bearing body 20 are fine thread, and screw pitch is 0.5mm
Or 1mm or 1.5mm.
Bolt 50 is threadedly coupled after running through logical lid 80 and flange adjusting nut 40 with body 30 so that logical lid 80 and flange tune
Whole nut 40 is relatively fixed with body 30, after oval styletable holding screw 60 of slotting screws in the tapped through hole on body 30, circle
Styletable is inserted into the elongated slot on bearing body 20, the relative rotation of limitation bearing body 20 and body 30, and oval styletable of slotting is tight
The cylindrical end diameter for determining screw 60 is matched with the width of elongated slot.
Spiral bevel gear 70 and the spiral bevel gear of 10 one end of gear shaft are intermeshed.
The bearing of gear shaft 10 is the cantilever design of two point supportings, and first fulcrum is rolled by two circular cones reversely installed
Sub- bearing 90 is constituted, it can constrain 10 bi-directional axial of gear shaft, and second fulcrum is the cylindrical roller axis without rib by inner ring
100 compositions are held, it to 10 axial constraint of gear shaft, does not belong to travelling supporting structure.
The external screw thread major diameter of bearing body 20 is slightly smaller compared with its outer diameter.
As shown from the above technical solution, a kind of structure of spiral bevel gear pair axial gap adjustment provided by the utility model
Pattern is to replace adjusting pad using screw pair, and the axial gap of curved-tooth bevel gear wheel set is adjusted by rotary flange adjusting nut,
According to the requirement of gear pair axial gap Adjustment precision, the closely-pitched spiral shell that screw pitch is tri- kinds of specifications of 0.5mm, 1mm, 1.5mm may be selected
Any one in line turns around, bearing body 20 just axially moves respectively for these three screw pitch when adjusting nut 40 revolves
Dynamic 0.5mm, 1mm, 1.5mm, 40 degree of rotation of adjusting nut, bearing body 20 just axially move respectively 0.0014mm,
0.0028mm, 0.0042mm, this mobile accuracy have fully met the axial gap tune of heavy machinery industry curved-tooth bevel gear wheel set
Whole needs.Compared with adjusting pad, this structural shape gathers without repeated disassembled and assembled examination, and efficiency high-precision is good.
Claims (7)
1. a kind of structural shape of spiral bevel gear pair axial gap adjustment, it is characterised in that：Including gear shaft, bearing body,
Body, flange adjusting nut, taper roll bearing and cylinder roller bearing are equipped with taper roll bearing and cylinder on gear shaft
Roller bearing, these bearings be mounted on bearing holder (housing, cover) body in, bearing body be mounted on body axis hole in, the outer diameter of bearing body with
The shaft hole diameter of body matches, and the side of flange adjusting nut is contacted with the side of body, and flange adjusting nut passes through screw thread pair
It is connected to the external side of bearing holder (housing, cover), i.e. the internal thread of flange adjusting nut and the external screw thread of bearing body corresponding position matches, rotation
Turned flange adjusting nut drives bearing body and gear shaft to axially move.
2. a kind of structural shape of spiral bevel gear pair axial gap adjustment according to claim 1, it is characterised in that：Method
The internal thread of blue adjusting nut and the external screw thread of bearing body are fine thread.
3. a kind of structural shape of spiral bevel gear pair axial gap adjustment according to claim 2, it is characterised in that：Also
Including bolt, the oval styletable holding screw of fluting and Tong Gai, connect with body screw thread after the logical lid of bolt-through and flange adjusting nut
It connects so that logical lid, flange adjusting nut and body are relatively fixed, and it is logical that oval styletable holding screw of slotting screws in the screw thread on body
Kong Hou, cylindrical end are inserted into the elongated slot on bearing body, limit the relative rotation of bearing body and body, oval styletable of slotting
The cylindrical end diameter of holding screw is matched with the width of elongated slot.
4. a kind of structural shape of spiral bevel gear pair axial gap adjustment according to claim 3, it is characterised in that：Institute
It is 0.5mm or 1mm or 1.5mm to state the internal thread of flange adjusting nut and its screw pitch of the external screw thread of bearing body.
5. a kind of structural shape of the spiral bevel gear pair axial gap adjustment according to Claims 1 to 4 any one,
It is characterized in that：Further include spiral bevel gear, spiral bevel gear and the spiral bevel gear of described gear shaft one end are intermeshed.
6. a kind of structural shape of spiral bevel gear pair axial gap adjustment according to claim 5, it is characterised in that：Tooth
Axle bearing is the cantilever design of two point supportings, and first fulcrum is that the taper roll bearing reversely installed by two is constituted,
It can constrain gear shaft bi-directional axial, and second fulcrum is made of cylinder roller bearing of the inner ring without rib, it is not to tooth
Axle axial constrains, and belongs to travelling supporting structure.
7. a kind of structural shape of spiral bevel gear pair axial gap adjustment according to claim 6, it is characterised in that：Institute
The external screw thread major diameter for stating bearing body is slightly smaller compared with its outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820308312.2U CN207935357U (en) | 2018-03-07 | 2018-03-07 | A kind of structural shape of spiral bevel gear pair axial gap adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820308312.2U CN207935357U (en) | 2018-03-07 | 2018-03-07 | A kind of structural shape of spiral bevel gear pair axial gap adjustment |
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|---|---|
| CN207935357U true CN207935357U (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820308312.2U Active CN207935357U (en) | 2018-03-07 | 2018-03-07 | A kind of structural shape of spiral bevel gear pair axial gap adjustment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605420A (en) * | 2019-01-31 | 2019-04-12 | 浙江钱江机器人有限公司 | A kind of rotational structure of robot |
| CN113400340A (en) * | 2021-06-24 | 2021-09-17 | 库卡机器人制造（上海）有限公司 | Gear assembly, artificial joint and robot |
| CN114087342A (en) * | 2021-11-19 | 2022-02-25 | 三联传动机械有限公司 | Speed reducer with adjustable output shaft position |
-
2018
- 2018-03-07 CN CN201820308312.2U patent/CN207935357U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605420A (en) * | 2019-01-31 | 2019-04-12 | 浙江钱江机器人有限公司 | A kind of rotational structure of robot |
| CN109605420B (en) * | 2019-01-31 | 2024-02-20 | 浙江钱江机器人有限公司 | Rotating structure of robot |
| CN113400340A (en) * | 2021-06-24 | 2021-09-17 | 库卡机器人制造（上海）有限公司 | Gear assembly, artificial joint and robot |
| CN114087342A (en) * | 2021-11-19 | 2022-02-25 | 三联传动机械有限公司 | Speed reducer with adjustable output shaft position |
| CN114087342B (en) * | 2021-11-19 | 2023-12-05 | 三联传动机械有限公司 | Speed reducer with adjustable output shaft position |
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