CN208458912U - A kind of device of real-time quantitative measurement gear minor rotation torque - Google Patents
A kind of device of real-time quantitative measurement gear minor rotation torque Download PDFInfo
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- CN208458912U CN208458912U CN201820909597.5U CN201820909597U CN208458912U CN 208458912 U CN208458912 U CN 208458912U CN 201820909597 U CN201820909597 U CN 201820909597U CN 208458912 U CN208458912 U CN 208458912U
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Abstract
The utility model discloses a kind of devices of real-time quantitative measurement gear minor rotation torque.Measuring device includes transmission shaft, two bearings, transmission gear and dial type torque screwdrivers, and measuring device is rack-mounted on planet carrier by support plate, and the measurement of minor rotation torque is carried out to planetary gear；When uniform rotation dial type torque screwdrivers, whens dial type torque screwdrivers, can show moment values, and whether within the specified scope operator can accurately judge the torque of planet wheels, be adjusted simultaneously.The transmission shaft of the utility model is accurately positioned transmission gear, and energy band nutating gear rotates.The bearing that can bear certain axial force can radially be accurately positioned transmission shaft and transmission gear, also can by dial type torque screwdrivers, transmission shaft, transmission gear weight transfer to support plate on, reduce influence of the device to testing result itself to the greatest extent.
Description
[technical field]
The utility model belongs to fields of measurement, and in particular to a kind of dress of real-time quantitative measurement gear minor rotation torque
It sets.
[background technique]
Planetary gear train is the commonly used mechanical structure of automotive transmission, and multiple planetary gears are installed by tapered roller bearing
On planet carrier.2 tapered roller bearings inside each planetary gear are tightened degree and are adjusted by the locking nut of upper end
Axial gap, different axial gap can cause the difference of planetary gear rotating torque, and (most of rotating torque all very littles, need to control
System is between 0.1Nm to 0.2Nm).Therefore, the rotating torque of real-time measurement planetary gear is needed in assembling process, in real time adjustment circle
Taper roller bearing upper end locking nut tightens degree, can also adjust the axial gap of tapered roller bearing in real time.It is axial
Gap is too small, and the rotating torque of planetary gear increases, and loads and increases in operational process；Axial gap is too big, will affect taper roller
The precision of bearing reduces the service life of bearing.
Traditional method of adjustment is experienced assembly crewman's hand-turning planetary gear, determines planetary gear by feel
Rotating torque, so that it is determined that the axial gap of tapered roller bearing.This method is inaccurate, non-quantitative, when encountering planetary gear train
In when having multiple planetary gears, it is consistent that the rotating torque of each planetary gear is difficult adjustment.The stress condition of each planetary gear is different, no
Can uniform divided flows, it is excessive to will lead to some planetary gear stress, causes initial failure.
[utility model content]
It is micro- to provide a kind of real-time quantitative measurement gear for the shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts
The device of small rotating torque；The utility model not only eliminates the influence of human factor, and realizes real-time, quantitative, difference
Measure the minor rotation torque of multiple planetary gears.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of real-time quantitative measures the device of gear minor rotation torque, including support plate and transmission shaft, opens in support plate
Equipped with first through hole, first through hole bottom is fixed with coaxial annulus, for placing first bearing；Transmission shaft top is provided with gear
Plate, transmission shaft pass through first bearing, and baffle plate frame is in first bearing；The lower part fixing sleeve of transmission shaft is equipped with transmission gear；It passes
Dial type torque screwdrivers are inserted at the top of moving axis, transmission shaft is rotated as dial type torque screwdrivers rotate；
Measure planetary gear rotating torque when, device by support plate it is rack-mounted on planet carrier, transmission gear and one it is to be measured
The planetary gear of amount engages.
Further improvement of the utility model is:
Support plate is fixedly connected with bearing block under first through hole, and second bearing is equipped in bearing block, and transmission shaft passes through
Second bearing and bearing block.
Bearing block is provided with coaxial circular groove in its base plate interior；The lower end surface of second bearing inner ring and circular groove
Bottom surface between there are gaps；The lower end surface of second bearing outer ring and the inner surface contact of pedestal base；Pedestal base and
There are gaps between transmission shaft.
First bearing and second bearing select angular contact bearing；Groove at the top of annulus and bearing block cooperatively forms second
Seam allowance；Support plate and planet carrier are positioned by the first seam allowance.
Baffle lower surface is provided with coaxial boss, and baffle is rack-mounted in first bearing by boss；Boss and first axle
The upper end face contact of inner ring is held, there are gaps between the outer ring of first bearing and the lower surface of baffle, between baffle and support plate
There are gaps.
The modulus of planetary gear and transmission gear, pressure angle, helical angle size are equal, the gear teeth it is oppositely oriented.
First through hole is eccentric orfice on the supporting plate；Internal square hole is offered at the top of transmission shaft, for placing dial type
Torque screwdrivers.
Planetary gear adjusts its torque by wrest fixing spanner；Support plate offers the second through-hole, and it is logical that wrest fixing spanner passes through second
Hole is sleeved on the locking nut at the top of planetary gear.
Support plate offers a pair of first pin hole at the both ends of its longitudinal centre line, two the first pin hole relative support plates
Cross central line is symmetrical；The upper edge of planet carrier offers several the second pin holes to opposite planet carrier axisymmetrical along its circumferential direction；
First pin hole and the cooperation of the second pin hole, by being inserted into positioning pin positioning support plate.
Compared with prior art, the utility model has the following beneficial effects:
The utility model discloses a kind of devices of real-time quantitative measurement gear minor rotation torque.Measuring device passes through branch
Fagging is rack-mounted on planet carrier, and first bearing is equipped in support plate；The upper end frame of transmission shaft is in first bearing, transmission shaft
Lower part be fixedly connected with transmission gear, transmission gear and the engagement of measured planetary gear；The top of transmission shaft is inserted with dial type
Torque screwdrivers, transmission shaft can be rotated with dial type torque screwdrivers.When uniform rotation dial type torque screwdrivers
When, whens dial type torque screwdrivers, can show moment values, operator can accurately judge planet wheels torque whether
Within the specified scope, it is adjusted simultaneously.The transmission shaft of the utility model is accurately positioned transmission gear, and is able to drive driving cog
Wheel rotation.The bearing that can bear certain axial force can radially be accurately positioned transmission shaft and transmission gear, also can be by dial type
Torque screwdrivers, transmission shaft, transmission gear weight transfer to support plate on, to the greatest extent reduce device itself to detection tie
The influence of fruit.
Further, the support plate of the utility model is fixedly connected with bearing below the first through hole of installation first bearing
, second bearing is installed in bearing block, two bearings are using transmission shaft as axis；Because transmission shaft is longer, increase a bearing
Preferably fixed conveyor axis, two bearings axial force can be born jointly, increase the stability of transmission shaft, improve measurement essence
Degree.
Further, bearing block is provided with circular groove, and by circular groove, second bearing only has outer ring lower end surface and axis
The baseplate inner surface contact of seat is held, bearing block is not contacted with transmission shaft, reduced between transmission shaft and bearing block during rotation
Frictional force.
Further, first bearing and second bearing select angular contact bearing, and angular contact bearing has precision height, vibration
Small feature can radially be accurately positioned transmission shaft and transmission gear, also can be by dial type torque screwdrivers, transmission shaft, biography
In the weight transfer to support plate of moving gear, influence of the device to testing result itself is reduced to the greatest extent.Bearing block and branch
Fagging has radial seam allowance to position, and is respectively positioned on two angular contact bearings, support shaft, transmission gears on vertical line.Support plate and row
Carrier is positioned by seam allowance, limits support plate moving radially in planet carrier.
Further, baffle is rack-mounted in first bearing by boss, the upper end face contact of boss and first bearing inner ring,
Transmission shaft does not contact directly with support plate, eliminates frictional force between transmission shaft and support plate, reduces transmission shaft in rotation process
Influence of the middle support plate to torque measuring accuracy.
Further, the modulus of planetary gear and transmission gear, pressure angle, helical angle size are equal, and the rotation direction of the gear teeth
On the contrary, guaranteeing that transmission gear and planetary gear can be engaged normally.
Further, first through hole is eccentric orfice, engages the lesser transmission gear of size with planetary gear, only drives one
Gear rotation, and other planetary gears contact of getting along well.The square hole for placing dial type torque screwdrivers is offered at the top of transmission shaft,
The rotary force of dial type torque screwdrivers can be transferred to transmission shaft, and dial type torque screwdrivers are easily inserted and pull out
Out.
Further, the second through-hole that wrest fixing spanner passes through that support plate opens up is sleeved on locking nut, to adjust planet
The torque of wheel, wrest fixing spanner, can be according to rotations also in the top of support plate in the top of support plate, dial type torque screwdrivers
The detected value of torque, adjust locking nut in real time by wrest fixing spanner tightens degree.
Further, after having measured a planetary gear, when needing to measure the rotating torque of other planetary gears, by support plate
It rotates a certain angle, transmission gear and another planetary gear is allowed to engage, and positioned with pin hole on the outside of positioning pin insertion support plate.
For the different rotation angle of compatibility, it can be distributed multiple pin holes as needed.
[Detailed description of the invention]
Fig. 1 is the Facad structure cross-sectional view of the utility model；
Fig. 2 is the partial, detailed view of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the three-dimensional structure schematic diagram of the utility model；
Wherein: 1- transmission gear；2- positioning pin；3- support plate；4- transmission shaft；5- dial type torque screwdrivers；6- is fixed
Turn round spanner；7- first bearing；8- bearing block；9- nut；10- baffle；11- first through hole；12- annulus；13- locking nut；14-
Planetary gear；15- planet carrier；The second through-hole of 16-；17- boss；18- groove；19- second bearing；The first pin hole of 20-；21- first
Seam allowance；The second seam allowance of 22-, the second pin hole of 23-.
[specific embodiment]
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, the utility model relates to a kind of device of real-time quantitative measurement gear minor rotation torque, the device framves
In planetary system, the torque of planetary gear is measured.
Referring to Fig. 1 and Fig. 3, which includes transmission gear 1, positioning pin 2, support plate 3, transmission shaft 4, dial type torsion
Screwdriver 5, first bearing 7, bearing block 8, baffle 10, first through hole 11, annulus 12, boss 17, groove 18 and second bearing 19.
Be provided in support plate 3 first through hole 11 for installing transmission shaft 4, the second through-hole 16 and for assembling positioning pin 2 first
Pin hole 20；First through hole 11 is preferably eccentric orfice, and eccentric orfice can be accurately positioned bearing, make 1 He of transmission gear by transmission shaft 4
One planetary gear 14 engages；First through hole 11 is provided with coaxial annulus 12 in bottom, and the internal diameter of annulus 12 is less than first through hole
11 internal diameter；First through hole 11 is provided with first bearing 7, rack-mounted on annulus 12；Wrest fixing spanner 6 passes through the second through-hole 16 and row
The locking nut 13 of star-wheel 14 cooperates, can be according to the detected value of rotating torque, and adjust locking nut 13 in real time tightens degree.Branch
Fagging 3 offers a pair of first pin hole 20, the transverse direction of two 20 relative support plates 3 of the first pin hole at the both ends of its longitudinal centre line
Center line is symmetrical.Support plate 3, by being fixedly installed with bearing block 8, is consolidated in the present embodiment by bolt below first through hole 11
Fixed to connect, the groove opened up at the top of the outer ring side wall and bearing block 8 of annulus 12 cooperatively forms the second seam allowance 22；Because annulus 12 is branch
A part of fagging 3, therefore support plate 3 and bearing block 8 are cooperated by the second seam allowance 22, guarantee that the central axis of bearing block 8 hangs down
Second bearing 19 is directly installed in support plate 3, bearing block 8.
Referring to fig. 2,4 top of transmission shaft is provided with baffle 10, and 10 lower surface of baffle is provided with coaxial boss 17, transmission shaft
4 is rack-mounted in first bearing 7 by boss 17；The upper end face contact of 7 inner ring of boss 17 and first bearing, first bearing 7 it is outer
There are gaps between circle and the lower surface of baffle 10, and there are gaps between baffle 10 and support plate 3.
The bottom interior surface of bearing block 8 is provided with coaxial circular groove 18, the outer ring bottom surface of second bearing 19 and bearing
The bottom interior surface contact of seat 8, and do not contacted with 18 bottom interior surface of groove；There are seams between bearing block 8 and transmission shaft 4 simultaneously
Gap, gap and 18 common guarantee transmission shaft 4 of groove are not contacted with bearing block 8, reduce the frictional force in 4 rotation process of transmission shaft.
In the present embodiment, first bearing 7 and second bearing 19 select angular contact bearing, boss 17 and groove 18 be for
Guarantee support shaft 4 and angular contact bearing contact, support plate 3 of getting along well and bearing block 8 contact, eliminate transmission shaft 4 and support plate 3 with
And the frictional force of bearing block 8.
Referring to Fig. 1, planetary system includes locking nut 13, planetary gear 14 and planet carrier 15；Planetary gear 14 is fixedly mounted on
On planet carrier 15；Locking nut 13 is installed, upper edge offers several along its circumferential direction at the top of planet carrier 15 at the top of planetary gear 14
Second pin hole 23 cooperates with the first pin hole 20 of support plate 3, for position of the positioning support plate 3 on planet carrier 15.Support plate
3 is rack-mounted on planet carrier 15, and the two is positioned by the first seam allowance 21.Support plate 3 and planet carrier 15 are coaxial, the first pin hole 20 and the
The cooperation of two pin holes 23 is adjusted to suitable position, and positioning pin 2 is inserted into the first pin hole 20 and the second pin hole 23.Measure a planet
After the rotating torque of wheel 14, when needing to measure the rotating torque of other planetary gears 14, support plate 3 is rotated a certain angle,
It allows transmission gear 1 and another planetary gear 14 to engage, and positioning pin 2 is inserted into the first pin hole 20 and the second pin hole 23, positioning
Support plate 3.
The top of transmission shaft 4 offers internal square hole, for placing dial type torque screwdrivers 5, at the uniform velocity rotary torsion
Screwdriver 5 can measure the rotating torque of planetary gear 14.
The lower part of transmission shaft 4 is equipped with transmission gear 1, and transmission gear 1 is fixedly mounted on transmission shaft 4 by nut 9；It surveys
Measure one's own ability square when, transmission gear 1 and planetary gear 14 engage, transmission gear 1 and the modulus of planetary gear 14, pressure angle, helical angle size
Be equal, the gear teeth it is contrary.For transmission gear 1 in the case where meeting transmission condition, the number of teeth is few as far as possible, i.e., diameter is as far as possible
It is small, it is desirable that some planetary gear 14 can only to be driven to rotate, and other planetary gears 14 contact of getting along well.In order to further decrease the field of conjugate action
Product, precise measurement rotating torque, the thickness of transmission gear 1 is preferably the 1/3-1/2 of 14 thickness of planetary gear, and axially position is expert at
14 middle position of star-wheel.
Specific implementation process using present apparatus measurement planetary gear 14 is as follows:
Device connection type:
(1) first bearing 7 is fitted in first through hole 11, second bearing 19 is pressed into bearing block 8.
(2) bearing block 8 that will be pressed into first bearing 7 is fixed by bolts in support plate 3, is positioned by the second seam allowance 22.
(3) transmission shaft 4 is pressed into two bearings.
(4) transmission gear 1 is pressed into transmission shaft 4, and fixed with nut 9.
(5) dial type torque screwdrivers 5 are inserted into the internal square hole of transmission shaft 4, wrest fixing spanner 6 passes through support plate 3
The second through-hole 16 after, cover on the head of locking nut 13.
Embodiment:
(1) support plate 3 is placed on to edge on planet carrier 15 to be measured, and is positioned with the first seam allowance 21.
(2) after confirming that transmission gear 1 and planetary gear 14 engage, with two complete positioning support plates 3 of positioning pin 2.
(3) dial type torque screwdrivers 5 are inserted into the internal square hole of transmission shaft 4, wrest fixing spanner 6 passes through the second through-hole
After 16, it is inserted in the head of the locking nut 13 of 14 upper end of planetary gear.
(4) uniform rotation dial type torque screwdrivers 5 observe the scale of dial type torque screwdrivers 5, if instruction
Value is greater than the upper limit of rotating torque, then rotates counterclockwise wrest fixing spanner 6, unscrew locking nut 13；If indicated value is less than rotation
The lower limit of torque then rotates clockwise wrest fixing spanner 6, tightens locking nut 13, until the rotating torque of planetary gear 14 is requiring
In the range of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of device of real-time quantitative measurement gear minor rotation torque, which is characterized in that including support plate (3) and transmission shaft
(4), it is offered first through hole (11) in support plate (3), first through hole (11) bottom is fixed with coaxial annulus (12), for putting
Set first bearing (7)；Transmission shaft (4) top is provided with baffle (10), and transmission shaft (4) passes through first bearing (7), baffle (10) frame
On first bearing (7)；The lower part fixing sleeve of transmission shaft (4) is equipped with transmission gear (1)；Transmission shaft is inserted with quarter at the top of (4)
Dial-type torque screwdrivers (5), transmission shaft (4) are rotated as dial type torque screwdrivers (5) rotate；
When measuring planetary gear (14) rotating torque, device is rack-mounted on planet carrier (15) by support plate (3), transmission gear (1)
It is engaged with a planetary gear (14) to be measured.
2. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 1, which is characterized in that branch
Fagging (3) is fixedly connected with bearing block (8) under first through hole (11), is equipped with second bearing (19) in bearing block (8), is driven
Axis (4) passes through second bearing (19) and bearing block (8).
3. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 2, which is characterized in that axis
It holds seat (8) and its base plate interior is provided with coaxial circular groove (18)；The lower end surface of second bearing (19) inner ring and circle are recessed
There are gaps between the bottom surface of slot (18)；The lower end surface of second bearing (19) outer ring and the inner surface contact of bearing block (8) bottom plate；
There are gaps between bearing block (8) bottom plate and transmission shaft (4).
4. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 2, which is characterized in that the
One bearing (7) and second bearing (19) select angular contact bearing；Groove at the top of annulus (12) and bearing block (8) cooperatively forms
Second seam allowance (22)；Support plate (3) and planet carrier (15) are positioned by the first seam allowance (21).
5. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 1, which is characterized in that gear
Plate (10) lower surface is provided with coaxial boss (17), and baffle (10) is rack-mounted on first bearing (7) by boss (17)；It is convex
The upper end face contact of platform (17) and first bearing (7) inner ring is stayed between the outer ring of first bearing (7) and the lower surface of baffle (10)
It has the gap, there are gaps between baffle (10) and support plate (3).
6. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 1, which is characterized in that row
The modulus of star-wheel (14) and transmission gear (1), pressure angle, helical angle size are equal, the gear teeth it is oppositely oriented.
7. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 1, which is characterized in that the
One through-hole (11) is eccentric orfice on support plate (3)；Internal square hole is offered at the top of transmission shaft (4), for placing dial type
Torque screwdrivers (5).
8. a kind of device of real-time quantitative measurement gear minor rotation torque according to claim 1, which is characterized in that row
Star-wheel (14) adjusts its torque by wrest fixing spanner (6)；Support plate (3) offers the second through-hole (16), and wrest fixing spanner (6) passes through
Second through-hole (16) is sleeved on the locking nut (13) at the top of planetary gear (14).
9. a kind of device of real-time quantitative measurement gear minor rotation torque according to any one of claims 1 to 8,
It is characterized in that, support plate (3) offers a pair of first pin hole (20), two the first pin holes (20) at the both ends of its longitudinal centre line
The cross central line of relative support plate (3) is symmetrical；The upper edge of planet carrier (15) offers several to opposite planet carrier along its circumferential direction
(15) the second pin hole (23) of axisymmetrical；First pin hole (20) and the second pin hole (23) cooperation, it is fixed by insertion positioning pin (2)
Position support plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820909597.5U CN208458912U (en) | 2018-06-12 | 2018-06-12 | A kind of device of real-time quantitative measurement gear minor rotation torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820909597.5U CN208458912U (en) | 2018-06-12 | 2018-06-12 | A kind of device of real-time quantitative measurement gear minor rotation torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458912U true CN208458912U (en) | 2019-02-01 |
Family
ID=65159836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820909597.5U Active CN208458912U (en) | 2018-06-12 | 2018-06-12 | A kind of device of real-time quantitative measurement gear minor rotation torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208458912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731868A (en) * | 2018-06-12 | 2018-11-02 | 西安法士特汽车传动有限公司 | A kind of real-time quantitative measures the device and its application method of gear minor rotation torque |
-
2018
- 2018-06-12 CN CN201820909597.5U patent/CN208458912U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731868A (en) * | 2018-06-12 | 2018-11-02 | 西安法士特汽车传动有限公司 | A kind of real-time quantitative measures the device and its application method of gear minor rotation torque |
| CN108731868B (en) * | 2018-06-12 | 2024-04-12 | 西安法士特汽车传动有限公司 | Device for quantitatively measuring tiny rotation moment of gear in real time and application method thereof |
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