CN208845644U - Planet-gear speed reducer - Google Patents
Planet-gear speed reducer Download PDFInfo
- Publication number
- CN208845644U CN208845644U CN201821143945.9U CN201821143945U CN208845644U CN 208845644 U CN208845644 U CN 208845644U CN 201821143945 U CN201821143945 U CN 201821143945U CN 208845644 U CN208845644 U CN 208845644U
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- CN
- China
- Prior art keywords
- pin shaft
- hole
- planet
- positioning column
- planet carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to planetary reducer equipment technical fields, more particularly, to a kind of planet-gear speed reducer, including planet carrier, planetary gear, pin shaft, spring, limited post and mandril, one end of the planet carrier offers first positioning hole along its axial direction, the other end of the planet carrier offers second location hole along its axial direction, the first positioning hole is oppositely arranged with the second location hole, one end of the pin shaft is provided with positioning column along its axial direction, the cross-sectional area of the positioning column is less than the cross-sectional area of the pin shaft, the first positioning hole matches with the positioning column, the utility model planet-gear speed reducer is when in use, one end of pin shaft is supported and is located on planet carrier, and it is positioned by positioning column and first positioning hole cooperation, the other end of pin shaft is arranged in second location hole, and pass through rotation mandril, so that mandril pushes away Dynamic limited post card sets or is detached from annular slot, fixes or loosens to control pin shaft, staff is facilitated to operate.
Description
Technical field
The utility model relates to planetary reducer equipment technical fields, more particularly, to a kind of planet-gear speed reducer.
Background technique
Planet pinion shaft is the main member of support planetary gears in planetary structure.In Gear Planet Transmission, planetary gear
Pin shaft will receive part moment loading, and especially during running at high speed, planet pinion shaft influences to lead because of stress and vibration
Planet pinion shaft is caused to loosen, after long-term operating, planet pinion shaft exits planet carrier composite unit structure and falls, directly
Planetary reduction gear internal structure is caused to be damaged.
Utility model content
Technical problem to be solved by the utility model is: in order to solve star gear pin shaft because stress and vibration influence to cause to go
Star gear pin shaft loosens, and after long-term operating, planet pinion shaft exits planet carrier composite unit structure and falls, and directly results in
The problem of planetary reduction gear internal structure is damaged, now provides a kind of planet-gear speed reducer.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of planet-gear speed reducer, including row
One end of carrier, planetary gear, pin shaft, spring, limited post and mandril, the planet carrier offers the first positioning along its axial direction
The other end in hole, the planet carrier offers second location hole, the first positioning hole and the second location hole along its axial direction
It is oppositely arranged, one end of the pin shaft is provided with positioning column along its axial direction, and the cross-sectional area of the positioning column is less than the pin
The cross-sectional area of axis, the first positioning hole match with the positioning column, and first positioning column is arranged described first
Positioning hole, the pin shaft match with the second location hole, and one end setting far from the positioning column of the pin shaft exists
In the second location hole, the planetary gear is rotatably arranged on the planet carrier by the pin shaft, and the pin shaft is separate
One end of the positioning column offers through-hole along its axial direction, is radially provided with limiting slot on the pin shaft outer peripheral surface, described
Limiting slot is located at the through hole and is connected to the through-hole, offers annular slot on the internal perisporium of the second location hole,
The limited post is equipped with the ladder shaft shoulder, and the limited post is slidably arranged in the limiting slot, and the spring is arranged described
Between limiting slot and the ladder shaft shoulder, the mandril is threaded in the through-hole, one end of the limited post with it is described
Contact surface between mandril is the conical surface, and the big end of the conical surface is located at close to one end of the second location hole, the limited post
The other end pass through the limiting slot and be arranged in the annular slot, the mandril is provided with a word far from one end of the conical surface
Slot.One end of pin shaft is supported and is located on planet carrier, and is positioned by positioning column and first positioning hole cooperation, the other end setting of pin shaft
In second location hole, and through rotation mandril, so that mandril pushes limited post card to set or be detached from annular slot, to control
The problem of pin shaft fixes or loosens, and staff is facilitated to operate, while at runtime, pin shaft can be effectively prevent to loosen.
Mandril is rotated automatically by external cause and is loosened in order to prevent, further includes baffle further, the baffle is fixedly connected
On the planet carrier, the baffle plate setting is in the through hole.Through-hole is turned on or off by baffle, so that baffle is to top
The problem of bar has barrier effect, and mandril is effectively prevent to loosen.
For the ease of the installation of limited post, further, opened up on the outer peripheral surface of the pin shaft it is fluted, the groove with
The corresponding setting of limiting slot, the groove are connected to the through-hole, and fixed plate, the fixed plate are provided in the groove
It is fixedly connected on the pin shaft, the limiting slot is provided in the fixed plate.By being mounted on pin shaft in fixed plate, and
And limiting slot is provided in fixed plate, convenient for the installation to limited post.
The beneficial effects of the utility model are: the utility model planet-gear speed reducer is when in use, one end of pin shaft is supported
It being located on planet carrier, and is positioned by positioning column and first positioning hole cooperation, the other end of pin shaft is arranged in second location hole,
And by rotation mandril so that mandril push limited post card set perhaps be detached from annular slot thus control pin shaft fix or pine
It is de-, facilitate staff to operate, avoids star gear pin shaft because of stress and vibrating influence causes planet pinion shaft to loosen,
After long-term operating, planet pinion shaft exits planet carrier composite unit structure and falls, and directly results in planetary reduction gear internal structure
The problem of damage.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the main view of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is A-A cross-sectional view in Fig. 1.
In figure: 1, planet carrier, 101, first positioning hole, 102, second location hole, 103, annular slot, 2, planetary gear,
3, pin shaft, 301, through-hole, 302, groove, 4, spring, 5, limited post, 6, mandril, 601, flat recess, 7, positioning column, 8, baffle, 9,
Fixed plate, 901, limiting slot.
Specific embodiment
Presently in connection with attached drawing, the utility model is described in more detail.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment
As shown in Figure 1-3, a kind of planet-gear speed reducer, including planet carrier 1, planetary gear 2, pin shaft 3, spring 4, limit
One end of column 5 and mandril 6, the planet carrier 1 offers first positioning hole 101, the other end edge of the planet carrier 1 along its axial direction
Its axial direction offers second location hole 102, and the first positioning hole 101 is oppositely arranged with the second location hole 102, the pin
One end of axis 3 is provided with positioning column 7 along its axial direction, and the cross-sectional area of the positioning column 7 is less than the cross section face of the pin shaft 3
Product, the first positioning hole 101 match with the positioning column 7, and the positioning column 7 is arranged in the first positioning hole 101
Interior, the pin shaft 3 matches with the second location hole 102, and one end setting far from the positioning column 7 of the pin shaft 3 exists
In the second location hole 102, the planetary gear 2 is rotatably arranged on the planet carrier 1 by the pin shaft 3, planet tooth
Wheel 2 is mounted on pin shaft 3 by needle bearing, and the one end of the pin shaft 3 far from the positioning column 7 offers logical along its axial direction
Hole 301 is radially provided with limiting slot 901 on 3 outer peripheral surface of pin shaft, and the limiting slot 901 is located at the through-hole 301
And be connected to the through-hole 301, annular slot 103, the limited post 5 are offered on the internal perisporium of the second location hole 102
It is equipped with the ladder shaft shoulder, the limited post 5 is slidably arranged in the limiting slot 901, and the spring 4 is arranged in the limiting slot
Between 901 and the ladder shaft shoulder, the mandril 6 is threaded in the through-hole 301, one end of the limited post 5 and institute
Stating the contact surface between mandril 6 is the conical surface, and the big end of the conical surface is located at close to one end of the second location hole 102, described
The other end of limited post 5 passes through the limiting slot 901 and is arranged in the annular slot 103, and the mandril 6 is far from the conical surface
One end is provided with flat recess 601.The cylinder of one end of limited post 5 is different from the cross-sectional area of other end cylinder, so that limit
The ladder shaft shoulder is formed on column 5, the ladder shaft shoulder is to apply opposition to limited post 5 in locating slot for the ease of spring 4,
When being just such that in disassembly pin shaft 3, limited post 5 can be detached from annular slot 103 under the action of spring 4, flat recess 601 be for
Mandril 6 rotated.
It further include baffle 8, the baffle 8 is fixedly connected on the planet carrier 1, and the baffle 8 is arranged in the through-hole
At 301.
Fluted 302 are opened up on the outer peripheral surface of the pin shaft 3, the groove 302 is corresponding with the limiting slot 901 to be set
It sets, the groove 302 is connected to the through-hole 301, and fixed plate 9 is provided in the groove 302, and the fixed plate 9 is fixed to be connected
It connects on the pin shaft 3, the limiting slot 901 is provided in the fixed plate 9.
Planetary gear 2 during installation, is placed the installation position being located on planet carrier 1 by above-mentioned planet-gear speed reducer first
It sets, then pin shaft 3 is inserted into second location hole 102 and passes through planetary gear 2, so that positioning column 7 is inserted into first positioning hole
In 101, while another correct of pin shaft 3 cooperates with second location hole 102, and limited post 5 is shunk under the action of spring 4 at this time
In limiting slot 901,6 screw of mandril is connected in through-hole 301, so that positioning column 7 is contacted with mandril 6, with rotation mandril 6
And in 301 intrinsic displacement of through-hole, limited post 5 gradually stretches out limiting slot 901 under the promotion of mandril 6, while spring 4 is extruded, directly
It is set in annular slot 103 to the card of limited post 5, baffle 8 is fixed on pin shaft 3 by screw finally, completes installation；?
When operation, one end of pin shaft 3 is cooperated by positioning column 7 and first positioning hole 101, the other end of pin shaft 3 by limited post 5 with
Annular slot 103 cooperates, and the two, which combines, effectively prevents the problem of pin shaft 3 loosens.
The above-mentioned desirable embodiment according to the utility model is enlightenment, through the above description, relevant staff
Completely various changes and amendments can be carried out in the range of without departing from this item utility model technical idea.This item is practical
Novel technical scope is not limited to the contents of the specification, it is necessary to determine that its is technical according to scope of the claims
Range.
Claims (3)
1. a kind of planet-gear speed reducer, it is characterised in that: including planet carrier (1), planetary gear (2), pin shaft (3), spring
(4), one end of limited post (5) and mandril (6), the planet carrier (1) offers first positioning hole (101) along its axial direction, described
The other end of planet carrier (1) offers second location hole (102) along its axial direction, the first positioning hole (101) and described second
Location hole (102) is oppositely arranged, and one end of the pin shaft (3) is provided with positioning column (7) along its axial direction, the positioning column (7)
Cross-sectional area is less than the cross-sectional area of the pin shaft (3), the first positioning hole (101) and the positioning column (7) phase
Match, positioning column (7) setting is in the first positioning hole (101), the pin shaft (3) and the second location hole (102)
Match, one end setting far from the positioning column (7) of the pin shaft (3) is in the second location hole (102), the row
Star gear (2) is rotatably arranged on the planet carrier (1) by the pin shaft (3), and the pin shaft (3) is far from the positioning column
(7) one end offers through-hole (301) along its axial direction, is radially provided with limiting slot on pin shaft (3) outer peripheral surface
(901), the limiting slot (901) is located at the through-hole (301) and is connected to the through-hole (301), the second location hole
(102) it is offered on internal perisporium annular slot (103), the limited post (5) is equipped with the ladder shaft shoulder, the limited post (5)
Be slidably arranged in the limiting slot (901), spring (4) setting the limiting slot (901) and the ladder shaft shoulder it
Between, the mandril (6) is threaded in the through-hole (301), between one end and the mandril (6) of the limited post (5)
Contact surface be the conical surface, the big end of the conical surface is located at close to the one end of the second location hole (102), the limited post (5)
The other end pass through the limiting slot (901) and be arranged in the annular slot (103), the mandril (6) is far from the conical surface
One end is provided with flat recess (601).
2. planet-gear speed reducer according to claim 1, it is characterised in that: it further include baffle (8), the baffle (8)
It is fixedly connected on the planet carrier (1), the baffle (8) is arranged at the through-hole (301).
3. planet-gear speed reducer according to claim 1 or 2, it is characterised in that: on the outer peripheral surface of the pin shaft (3)
Open up fluted (302), groove (302) setting corresponding with the limiting slot (901), the groove (302) with it is described
Through-hole (301) connection, the groove (302) is interior to be provided with fixed plate (9), and the fixed plate (9) is fixedly connected on the pin shaft
(3) on, the limiting slot (901) is provided on the fixed plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821143945.9U CN208845644U (en) | 2018-07-18 | 2018-07-18 | Planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821143945.9U CN208845644U (en) | 2018-07-18 | 2018-07-18 | Planet-gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845644U true CN208845644U (en) | 2019-05-10 |
Family
ID=66353489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821143945.9U Expired - Fee Related CN208845644U (en) | 2018-07-18 | 2018-07-18 | Planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845644U (en) |
-
2018
- 2018-07-18 CN CN201821143945.9U patent/CN208845644U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |