CN209539930U - A kind of shunt high-speed test (HST) device - Google Patents
A kind of shunt high-speed test (HST) device Download PDFInfo
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- CN209539930U CN209539930U CN201920186364.1U CN201920186364U CN209539930U CN 209539930 U CN209539930 U CN 209539930U CN 201920186364 U CN201920186364 U CN 201920186364U CN 209539930 U CN209539930 U CN 209539930U
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Abstract
The utility model discloses a kind of shunt high-speed test (HST) devices, belong to technical field of power equipment.Shunt high-speed test (HST) device provided by the utility model includes motor and speed increaser, speed increaser includes input shaft, the first sun gear, the second sun gear, output shaft and multiple planetary gear sets, main component by using planetary gear mechanism as speed increaser, improve the stability of power transmitting, realize power dividing and power interflow, to realize two-stage transmission, improve transmission ratio, and by utilizing the herringbone gear teeth to realize engagement between sun gear and planetary gear, the transmitting power for improving planetary gear mechanism, finally improves the output power of output shaft.The combination of planetary gear mechanism and the herringbone gear teeth meets the requirement of the high-power output of the high revolving speed of high-speed test (HST) device on the whole.
Description
Technical field
The utility model relates to technical field of power equipment more particularly to a kind of shunt high-speed test (HST) devices.
Background technique
High-speed test (HST) device is that one kind can convert the lower output revolving speed of motor to the higher output revolving speed of testpieces
Special equipment, which are mainly applied to the industries that aerospace etc. needs to carry out revolution at a high speed experiment.Existing high-speed test (HST) device
Generally using two methods obtain the higher output revolving speed of testpieces, one of which be driven by motor traditional speed increaser Lai
Testpieces is driven, although traditional speed increaser can improve the revolving speed of testpieces, the increase width of revolving speed in a certain range
Spend limited, and the power transmitted is smaller, and transmission stability is relatively low, is unable to satisfy the high revolving speed of high speed test device and high-power
Demand.Another is then that testpieces is directly driven by high-speed motor, and not only manufacturing cost is higher for high-speed motor, and same
Sample is also limited by revolving speed and power, and the demand of high revolving speed high-power test device is unable to satisfy.
Utility model content
The purpose of this utility model is to provide a kind of shunt high-speed test (HST) devices, and the high-speed test (HST) device is compact-sized, no
It only can be realized the high-power output of high revolving speed, and transmit high stability.
For this purpose, the utility model uses following technical scheme:
A kind of shunt high-speed test (HST) device, including motor and speed increaser, the speed increaser include:
Input shaft, for being connect with the motor；
Output shaft, for being connect with testpieces to be accelerated；
Planetary gear mechanism, between the input shaft and the output shaft, the planetary gear mechanism includes first sun
Wheel, the second sun gear and multiple planetary gear sets, the coaxial setting of first sun gear and second sun gear interval, described the
One sun gear and the input shaft are sequentially connected, and second sun gear and the output shaft are sequentially connected；
Each planetary gear set include planet wheel spindle and the first planetary gear being set on the planet wheel spindle and
Second planetary gear, multiple first planetary gears are arranged around first sun gear, and nibble simultaneously with first sun gear
It closes, multiple second planetary gears are arranged around second sun gear, and engage simultaneously with second sun gear；
It is respectively provided on first sun gear, second sun gear, first planetary gear and second planetary gear
There are the herringbone gear teeth.
Preferably, the speed increaser further include:
Float input tooth set, and the input tooth set that floats is set in the connection of the input shaft and first sun gear
Place, and engaged simultaneously with the input shaft and first sun gear.
Preferably, the speed increaser further include:
Floating output gear set, the floating output gear set are set in the connection of second sun gear and the output shaft
Place, and engaged simultaneously with second sun gear with the output shaft.
Preferably, multiple planet wheel spindles include fixed planet wheel spindle and floating planet gear axis, the fixed planet
The axial restraint of wheel shaft, the axial floating of the floating planet gear axis.
Preferably, the planetary gear set further include:
Spline housing, the spline housing are set on the floating planet gear axis, and second planetary gear is set in the flower
Key is put on, and is keyed with the spline housing.
Preferably, the spline housing and the planet wheel spindle are interference fitted.
Preferably, a setting spline in both second planetary gear and described spline housing, another is provided with
Spline is slid, the sliding spline can slide in the spline.
Preferably, the speed increaser further include:
Cabinet, the planetary gear mechanism are located in the cabinet, the input shaft, the output shaft and the planet wheel spindle
It is rotatably connected on the cabinet.
Preferably, being provided with bearing between the planet wheel spindle and the cabinet.
Preferably, the quantity of the planetary gear set is three, three planetary gear sets are around first sun gear
Circumferential uniformly arrangement.
The utility model has the beneficial effects that
The utility model provides a kind of shunt high-speed test (HST) device, which includes motor and increasing
Fast device, speed increaser include two sun gears and multiple planetary gear sets, the main portion by using planetary gear mechanism as speed increaser
Part improves the stability of power transmitting, realizes power dividing and power interflow, to realize two-stage transmission, improves
Transmission ratio, and by utilizing herringbone gear teeth meshing between sun gear and planetary gear, improve the transmitting function of planetary gear mechanism
Rate.The combination of planetary gear mechanism and the herringbone gear teeth meets wanting for the high-speed test (HST) device high-power output of high revolving speed on the whole
It asks.
Detailed description of the invention
Fig. 1 is the cross-sectional view of shunt high-speed test (HST) device provided by the utility model；
Fig. 2 is the cross-sectional view of the input tooth set provided by the utility model that floats；
Fig. 3 is the cross-sectional view after spline housing provided by the utility model and the assembly of the second planetary gear.
In figure:
1, motor；2, cabinet；3, output shaft；4, the first sun gear；5, the second sun gear；6, planet wheel spindle；7, first
Planetary gear；8, the second planetary gear；801, the first radial positioning section；9, input shaft；10, float input tooth set；1001, the first chamber
Body；1002, the second cavity；1003, retaining ring；11, spline housing；1101, the second radial positioning section；12, floating output gear set；13,
Bearing.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Wherein, term " first
Set " and " second position " be two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this with concrete condition
Concrete meaning in type.
A kind of shunt high-speed test (HST) device is present embodiments provided, which can be low by motor 1
Revolving speed output is converted into high revolving speed output, to provide infrastructure device to carry out the experiment of rotating member revolution at a high speed.As shown in Figure 1,
The shunt high-speed test (HST) device includes motor 1 and speed increaser, and motor 1 is the power part of shunt high-speed test (HST) device, is increased
Fast device is the transmission parts of shunt high-speed test (HST) device, and the motor shaft of motor 1 and the input terminal of speed increaser are sequentially connected.Speedup
Device includes cabinet 2, the input shaft being set in cabinet 29, output shaft 3 and planetary gear mechanism, the motor of input shaft 9 and motor 1
Axis connection, output shaft 3 with testpieces to be accelerated for connecting.Cabinet 2 is the main carrying of speed increaser and fixed mechanism, cabinet
2 are internally provided with cavity, and input shaft 9, output shaft 3 and planetary gear mechanism be arranged at the inside of cabinet 2.The both ends of cabinet 2
It is each provided with a communication port, one of communication port is used to accommodate the motor shaft of motor 1, another communication port is defeated for accommodating
Shaft 3, output shaft 3 are rotatably connected in cabinet 2, and the prominent communication port setting in one end of output shaft 3, are set for connecting outside
It is standby.In order to improve the stability of entire shunt high-speed test (HST) device, the lower part of cabinet 2 is additionally provided with fixing seat, and fixing seat can be with
It is fixedly connected with ground or other component.
Planetary gear mechanism is the main transmission parts of speed increaser, is arranged between input shaft 9 and output shaft 3.Specifically, such as
Shown in Fig. 1, planetary gear mechanism includes the first sun gear 4, the second sun gear 5 and multiple planetary gear sets, the first sun gear 4 and second
The setting of the interval of sun gear 5, and be coaxially disposed in the horizontal direction.First sun gear 4 is connect with the electric machine shaft driving of motor 1, even
The mode of connecing, which can choose, to be directly connected to, and also can choose by being indirectly connected with, in the present embodiment, for the ease of easy for installation, choosing
Select and connected between the first sun gear 4 and the motor shaft of motor 1 by input shaft 9, one end of input shaft 9 by ring flange with
The motor axis connection of motor 1, the other end are connect with the first sun gear 4.
The quantity of planetary gear set is not particularly limited, can for two, three, four or more, in the present embodiment
In, the quantity of planetary gear set is three, and three planetary gear sets are perfectly even distributed around the circumferential setting of the first sun gear 4.Tool
Body, each planetary gear set includes planet wheel spindle 6 and the first planetary gear 7 being set on planet wheel spindle 6 and the second planet
Wheel 8, the first planetary gear 7 and the second planetary gear 8 can be integrally formed with planet wheel spindle 6, can also be to assemble after separately manufacturing.At this
In embodiment, the first planetary gear 7 is integrally formed by packaging efficiency and design cost, selection with planet wheel spindle 6 in order to balance, and second
Planetary gear 8 and 6 separately manufacturing of planet wheel spindle.Three the first planetary gears 7 are uniformly arranged around the circumferential direction of the first sun gear 4, and every
One the first planetary gear 7 is engaged with the first sun gear 4.Three the second planetary gears 8 are uniformly set around the circumferential direction of the second sun gear 5
It sets, and each second planetary gear 8 is engaged with the second sun gear 5.In order to realize the first planetary gear 7 and the first sun gear 4
Engagement, being respectively provided on the first planetary gear 7 and the first sun gear 4 being capable of the intermeshing herringbone gear teeth.Similarly, in the second row
Being respectively provided on star-wheel 8 and the second sun gear 5 being capable of the intermeshing herringbone gear teeth.Compared to using the common straight-tooth gear teeth and
The oblique gear teeth, the herringbone gear teeth have the characteristics that comparable size transmitting is high-power, therefore use the herringbone gear teeth in the present embodiment.
In the present embodiment, the first order that the engagement of the first sun gear 4 and three the first planetary gears 7 realizes speed increaser passes
Dynamic, the engagement of the second sun gear 5 and the second planetary gear 8 realizes the second level transmission of speed increaser, and two-stage transmission not only increases
The stability of power transmitting, and collaborated by power dividing and power, transmission ratio is improved, the high revolving speed of output shaft 3 is realized
Output.In addition, by utilizing herringbone gear teeth meshing between sun gear and planetary gear, being mentioned in the two-stage transmission of speed increaser
The high transmitting power of planetary gear mechanism, to improve the output power of output shaft 3.Planetary gear mechanism and the herringbone gear teeth two
Person combines the requirement for meeting the high-power output of the high revolving speed of high-speed test (HST) device on the whole.
In order to increase the revolving speed of output shaft 3 to greatest extent, in the present embodiment, by the reference diameter of the first planetary gear 7
It is set smaller than the reference diameter of the first sun gear 4, the reference diameter of the second planetary gear 8 is set greater than the first planet
7 reference diameter is taken turns, and the reference diameter of the second sun gear 5 is set smaller than to the reference diameter of the second planetary gear 8
Setting, the specific ratio of the reference diameter of said gear are not specifically limited, according to the actual situation specific setting.
Further, which further includes the input tooth set 10 that floats, and as depicted in figs. 1 and 2, the input tooth that floats covers 10 sets
It is located at the junction of input shaft 9 and the first sun gear 4, and is engaged simultaneously with input shaft 9 and the first sun gear 4.Float input tooth
It covers and is provided with internal tooth on 10 inner walls, the first sun gear 4 is inputted on the end of tooth set 10 into floating and input shaft 9 enters floating
It is provided with external tooth on the end of input tooth set 10, internal tooth is realized with outer tooth engagement and connect.Specifically, float input tooth set
10 be ring-shaped thin-walled part, is provided with retaining ring 1003 on the inner wall for the input tooth set 10 that floats, and retaining ring 1003 of steel wire by being made
Ring structure, 1003 place plane of retaining ring with float input tooth set 10 axis direction it is vertical.In the present embodiment, retaining ring
1003 quantity is two, and one of retaining ring 1003 is located at the middle part for the input tooth set 10 that floats, another retaining ring 1003
In the end for the input tooth set 10 that floats, the second cavity 1002 for accommodating input shaft 9, the second cavity are formed between two retaining rings 1003
1002 diameter is greater than the diameter of input shaft 9, is formed positioned at the left side of the retaining ring 1003 at middle part and accommodates the first of the first sun gear 4
Cavity 1001, the diameter of the first cavity 1001 are greater than the diameter that the first sun gear 4 protrudes into the part in the first cavity 1001.
Optionally, which further includes floating output gear set 12, floating output gear set 12 be set in the second sun gear 5 with
The junction of output shaft 3, and engaged simultaneously with the second sun gear 5 with output shaft 3, it is provided on the inner wall of floating output gear set 12
Internal tooth, the end of the second sun gear 5 into floating output gear set 12 enters on the end that floating output gear covers 12 with output shaft 3 to be set
It is equipped with external tooth, internal tooth and outer tooth engagement realize connection.Floating output gear set 12 is identical with the structure of input tooth set 10 of floating, herein
It repeats no more.Due to there is multiple groups gear to simultaneously participate in engagement in the planetary gear mechanism of speed increaser, and the mismachining tolerance of each gear is not
Together, therefore there is load unevenness in the intermeshing of each group gear, be easy to generate during speed increaser high-speed drive
Very big shock loading and noise.The setting of floating output gear set 12 and the input tooth set 10 that floats can not only realize planet turbine
The flexible connection of structure and input shaft 9, output shaft 3, to compensate the location error of each gear in planetary gear mechanism, and due to floating
Output gear set 12 and the input tooth set 10 that floats are thin wall component, can compensate for each Errors in Gear Processing by the deformation of thin-walled
Caused by load it is uneven, shock loading and noise are reduced, to enable speed increaser high speed, smoothly be driven.
In the present embodiment, keep three planet wheel spindles 6 in planetary gear mechanism each self-centering to realize, selection will wherein
One 6 axial restraint of planet wheel spindle, the referred to as fixed planet wheel spindle of the planet wheel spindle 6, remaining two groups of 6 axial floating of planet wheel spindle,
The two planet wheel spindles 6 are known as floating planet gear axis.Since in the present embodiment, there are two planets for setting on floating planet gear axis
Wheel, in order to realize each self-centering of two planetary gears, so that transmission accuracy is improved, in floating planet gear axis and the second planetary gear 8
Between be arranged spline housing 11.As shown in figures 1 and 3, spline housing 11 is set on floating planet gear axis, and by with floating planet
Wheel shaft interference fit realizes connection.Second planetary gear 8 is set on spline housing 11, and is keyed with spline housing 11.Spline housing 11
On be provided with sliding spline, internal spline is provided on the second planetary gear 8, forms spline between two neighboring internal spline, slide
Spline can slide in spline, to realize that the second planetary gear 8 is connected with the axial floating of planet wheel spindle 6.In order to limit
The sliding for sliding spline, the first radial positioning section 801 is provided on the second planetary gear 8, is provided with second on spline housing 11
Radial positioning section 1101, the first radial positioning section 801 and the second radial positioning section 1101 are located at the both ends of sliding spline.In this reality
It applies in example, it can be by the first planetary gear 7 and floating planet gear axial separation, so that the first planetary gear 7 by using sliding spline
Self-centering transmission can be reached with the second planetary gear 8, realize that high-precision is driven, bearing capacity is high.
The course of work of above-mentioned shunt high-speed test (HST) device is as follows:
Firstly, motor 1 is rotated with driven input shaft 9, input shaft 9 drives the first sun gear 4 by the input tooth set 10 that floats
Rotation, the first sun gear 4 drive three each autorotations of the first planetary gear 7, realize power dividing.Then, due to the first planetary gear 7
It is integrally formed with planet wheel spindle 6, therefore with the first planetary gear 7 synchronous rotary occurs for three planet wheel spindles 6, and drives to be arranged and be expert at
The second planetary gear 8 rotation on spider gear shaft 6, three the second planetary gears 8 drive the rotation of the second sun gear 5 to realize power interflow.Most
Afterwards, the second sun gear 5 drives output shaft 3 to rotate, and realizes 3 high speed of output shaft, powerful output.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of shunt high-speed test (HST) device, including motor (1) and speed increaser, which is characterized in that the speed increaser includes:
Input shaft (9), for being connect with the motor (1)；
Output shaft (3), for being connect with testpieces to be accelerated；
Planetary gear mechanism, between the input shaft (9) and the output shaft (3), the planetary gear mechanism includes first too
Sun wheel (4), the second sun gear (5) and multiple planetary gear sets, first sun gear (4) and second sun gear (5) interval
Coaxial setting, first sun gear (4) and the input shaft (9) are sequentially connected, second sun gear (5) and the output
Axis (3) transmission connection；
Each planetary gear set includes planet wheel spindle (6) and the first planetary gear for being set on the planet wheel spindle (6)
(7) with the second planetary gear (8), multiple first planetary gears (7) around first sun gear (4) be arranged, and simultaneously with institute
State the first sun gear (4) engagement, multiple second planetary gears (8) around second sun gear (5) be arranged, and simultaneously with institute
State the second sun gear (5) engagement；
First sun gear (4), second sun gear (5), first planetary gear (7) and second planetary gear (8)
On be provided with the herringbone gear teeth.
2. shunt high-speed test (HST) device according to claim 1, which is characterized in that the speed increaser further include:
It floats and inputs tooth set (10), floating input tooth set (10) is set in the input shaft (9) and first sun gear
(4) junction, and engaged simultaneously with the input shaft (9) and first sun gear (4).
3. shunt high-speed test (HST) device according to claim 1, which is characterized in that the speed increaser further include:
Floating output gear set (12), the floating output gear set (12) are set in second sun gear (5) and the output shaft
(3) junction, and engaged simultaneously with second sun gear (5) with the output shaft (3).
4. shunt high-speed test (HST) device according to claim 1, which is characterized in that
Multiple planet wheel spindles (6) include fixed planet wheel spindle and floating planet gear axis, the axial direction of the fixed planet wheel spindle
It is fixed, the axial floating of the floating planet gear axis.
5. shunt high-speed test (HST) device according to claim 4, which is characterized in that the planetary gear set further include:
Spline housing (11), the spline housing (11) are set on the floating planet gear axis, and second planetary gear (8) is set in
On the spline housing (11), and it is keyed with the spline housing (11).
6. shunt high-speed test (HST) device according to claim 5, which is characterized in that
The spline housing (11) and the planet wheel spindle (6) are interference fitted.
7. shunt high-speed test (HST) device according to claim 5, which is characterized in that
A setting spline in second planetary gear (8) and the spline housing (11) the two, another is provided with sliding flower
Key, the sliding spline can slide in the spline.
8. shunt high-speed test (HST) device according to claim 1, which is characterized in that the speed increaser further include:
Cabinet (2), the planetary gear mechanism are located in the cabinet (2), the input shaft (9), the output shaft (3) and described
Planet wheel spindle (6) is rotatably connected on the cabinet (2).
9. shunt high-speed test (HST) device according to claim 8, which is characterized in that
Bearing (13) are provided between the planet wheel spindle (6) and the cabinet (2).
10. shunt high-speed test (HST) device according to claim 1, which is characterized in that
The quantity of the planetary gear set is three, and three planetary gear sets are around the circumferential uniform of first sun gear (4)
Arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920186364.1U CN209539930U (en) | 2019-02-02 | 2019-02-02 | A kind of shunt high-speed test (HST) device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920186364.1U CN209539930U (en) | 2019-02-02 | 2019-02-02 | A kind of shunt high-speed test (HST) device |
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| Publication Number | Publication Date |
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| CN209539930U true CN209539930U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920186364.1U Active CN209539930U (en) | 2019-02-02 | 2019-02-02 | A kind of shunt high-speed test (HST) device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963668A (en) * | 2020-07-21 | 2020-11-20 | 江苏国茂减速机股份有限公司 | Planetary gear speed reduction transmission structure and speed reducer with same |
-
2019
- 2019-02-02 CN CN201920186364.1U patent/CN209539930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963668A (en) * | 2020-07-21 | 2020-11-20 | 江苏国茂减速机股份有限公司 | Planetary gear speed reduction transmission structure and speed reducer with same |
| CN111963668B (en) * | 2020-07-21 | 2021-08-27 | 江苏国茂减速机股份有限公司 | Planetary gear speed reduction transmission structure and speed reducer with same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200522 Address after: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210012 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210012 Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |