CN208845693U - Planetary reduction gear - Google Patents
Planetary reduction gear Download PDFInfo
- Publication number
- CN208845693U CN208845693U CN201821294511.9U CN201821294511U CN208845693U CN 208845693 U CN208845693 U CN 208845693U CN 201821294511 U CN201821294511 U CN 201821294511U CN 208845693 U CN208845693 U CN 208845693U
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- Prior art keywords
- lower frame
- upper frame
- pin
- groove
- plate
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Abstract
The utility model relates to planetary reduction gear equipment technical fields, more particularly, to a kind of planetary reduction gear, including planet carrier, it further include slide plate and magnet, the planet carrier includes upper frame, lower frame and connecting plate, the lower frame offers axis hole along its axial direction, the upper frame is oppositely arranged with the lower frame, it is fixedly connected between the upper frame and the lower frame by the connecting plate, several first pin holes are offered on the upper frame, several second pin holes are offered on the lower frame, several second pin holes are arranged around the axis hole, first pin hole and second pin hole are arranged in a one-to-one correspondence, the utility model planetary reduction gear is when in use, pass through the magnet on groove inner slider, so that the iron filings between planet carrier and planetary gear are entered in groove and are adsorbed by first passage and second channel with greasy dirt On magnet, avoiding iron filings can not continue to run between planet carrier and planetary gear under the influence of the factors such as external vibration.
Description
Technical field
The utility model relates to planetary reduction gear equipment technical fields, more particularly, to a kind of planetary reduction gear.
Background technique
Planetary reduction gear is usually used in high-precision transmission field, matches with servo motor due to its high-precision, high-accuracy transmission
Set use, planetary reduction gear mainly include shell and be located at the intracorporal planet carrier of shell, planetary gear, sun gear and gear ring, planetary gear
Be installed on planet carrier, currently in order to installation simplicity, reduce retarder volume and reduce components, the end face of planetary gear with
It is bonded between the medial surface of planet carrier, in retarder operation, planetary reduction gear its internal high-speed gear operating at runtime,
It is easy to produce high temperature, the generation grease apt to deteriorate of the lubricating oil in retarder, the abrasion between gear also will appear clast, these oil
Dirt and clast are easy to be stuck between planetary gear and the contact surface of planet carrier, cause the frictional resistance of planetary gear to become larger, transmission efficiency
It reduces, it can be stuck by planetary gear when serious.
Pin hole on existing planet carrier opens up dirt discharge groove, and dirt discharge groove is collected greasy dirt or iron filings etc., and due to planet
Vibration etc. can be generated in work operation on frame, so that the iron filings and greasy dirt in dirt discharge groove re-enter into planet carrier and row
Between star-wheel, the frictional resistance of planetary gear is caused to become larger, transmission efficiency reduces, can be stuck by planetary gear when serious.
Utility model content
Technical problem to be solved by the utility model is: opening up dirt discharge groove to solve the pin hole on existing planet carrier, arrange
Dirty slot is collected greasy dirt or iron filings etc., and since vibration etc. can be generated in the work operation on planet carrier, so that row
Iron filings and greasy dirt in dirty slot re-enter between planet carrier and planetary gear, and the frictional resistance of planetary gear is caused to become larger, transmission
Efficiency reduces, and problem that can be stuck by planetary gear when serious now provides a kind of planetary reduction gear.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of planetary reduction gear, including planet carrier,
It further include slide plate and magnet, the planet carrier includes upper frame, lower frame and connecting plate, and the lower frame is offered along its axial direction
Axis hole, the upper frame are oppositely arranged with the lower frame, pass through the connecting plate between the upper frame and the lower frame
It is fixedly connected, several first pin holes is offered on the upper frame, several second pin holes, Ruo Gansuo are offered on the lower frame
It states the second pin hole to be arranged around the axis hole, first pin hole and second pin hole are arranged in a one-to-one correspondence, the upper frame
Outer peripheral surface and the lower frame outer peripheral surface on open up fluted, groove on the upper frame and first pin hole pair
It answers, the groove on the lower frame is corresponding with second pin hole, and the slide plate matches with the groove, the slide plate setting
In the groove, it is respectively provided on the upper frame and lower frame for the fixed mechanism that the slide plate is fixed, the restocking
One end of body, which is located at first pin hole, offers first passage, and the groove on the first passage and the upper frame connects
Logical, one end of the lower frame, which is located at second pin hole, offers second channel, the second channel and the lower frame
On groove connection, the first passage and the second channel be oppositely arranged, and the magnet is arranged on the slide plate, described
Magnet is located in the groove.By the magnet on groove inner slider, so that the iron filings between planet carrier and planetary gear are with oil
Dirty to be entered in groove and be adsorbed on magnet by first passage and second channel, avoiding iron filings can not be in external vibration etc.
Continue to run between planet carrier and planetary gear under the influence of factor.
Slide plate is fixed on upper frame and lower frame for the ease of realizing, further, the fixed mechanism includes limit
Position pin, spring and locking screw offer card slot, the two sides of the groove internal perisporium on the upper frame and the lower frame
It is provided with the card slot, sliding slot, sliding slot setting corresponding with the card slot, the spacer pin are provided on the slide plate
One end be arranged in the sliding slot, the other end of the spacer pin passes through the sliding slot and is arranged in the card slot, the bullet
Spring is arranged between the spacer pin and the sliding slot, radially offers threaded hole along the planet carrier on the slide plate, described
One end of sliding slot is connected to the threaded hole, and the locking screw matches with the threaded hole, and the locking screw is located at institute
It states in threaded hole, the locking screw and the limit pin contacts.It is fastened in card slot by spacer pin, while locking screw will
Slide plate, is fixed on upper frame and lower frame by spacer pin limit to realize.
For the ease of the spring installation between spacer pin and sliding slot, further, the separate card slot of the spacer pin
One end be provided with the limit shaft shoulder, the sliding slot matches with the limit shaft shoulder, and cover board, the lid are provided on the slide plate
Plate lid is located on the sliding slot, and the third channel to match with spacer pin, one end of the spacer pin are offered on the cover board
It is arranged in the third channel, one end of the spring, which is supported, to be located on the cover board, and the other end of the spring, which supports, is located at institute
It states on the limit shaft shoulder.Cover plate lid is set on the chute, is set on the cover board so that one end of spring can be supported, the other end of spring
To on the limit shaft shoulder for being located at spacer pin, in this way convenient for the installation of sliding slot inner spring, while but also only being needed when dismantling slide plate
Locking screw is screwed down, spacer pin will be detached from card slot under the force of a spring.
Spacer pin is pushed for the ease of locking screw, and spacer pin is fastened in card slot, further, the limit
It sells one end far from the card slot and is provided with inclined-plane, the inclined-plane ecto-entad is obliquely installed gradually downward.Inclined-plane is to spacer pin
Guiding role is played, so that locking screw can quickly and easily push spacer pin to card slot direction position when entering threaded hole
It moves.
In order to preferably between planetary gear and planet carrier iron filings and greasy dirt be collected, it is further, described
First passage and second channel are arc.First passage and second channel setting is arc-shaped, expand iron filings and greasy dirt
Into area, arc is but also greasy dirt and iron filings preferably can enter and collect.
In order to guarantee that the overall structure of planet carrier is stablized, further, the upper frame, lower frame and connecting plate are integrated
Molding.By integrally formed upper frame, lower frame and connecting plate, it ensure that planet carrier structure is reliable and stable.
For the ease of the processing of groove and first passage on upper frame, further, the upper frame is far from lower frame
One end be provided with the first plate, offer the first slot on the contact surface of the upper frame and first plate, first plate with
The groove is formed between first slot.By opening up the first slot on upper frame, by being formed between the first slot and the first plate
Groove is convenient for the processing of card slot, groove and first passage in this way.
For the ease of the processing of groove and second channel on lower frame, further, the lower frame is far from upper frame
One end be provided with the second plate, the second slot is offered on the contact surface of the lower frame and second plate, on second plate
The first hole is offered, first hole is arranged in a one-to-one correspondence with second pin hole, between second plate and second slot
Form the groove.By opening up the second slot on lower frame, by forming groove between the second slot and the second plate, in this way convenient for card
The processing of slot, groove and second channel.
The beneficial effects of the utility model are: the utility model planetary reduction gear is when in use, by groove inner slider
Magnet so that the iron filings between planet carrier and planetary gear are entered in groove with greasy dirt by first passage and second channel
And be adsorbed on magnet, avoid iron filings can not continue to run under the influence of the factors such as external vibration into planet carrier and planetary gear it
Between, it avoiding the pin hole on existing planet carrier and opens up dirt discharge groove, dirt discharge groove is collected greasy dirt or iron filings etc., and due to planet
Vibration etc. can be generated in work operation on frame, so that the iron filings and greasy dirt in dirt discharge groove re-enter into planet carrier and row
Between star-wheel, the frictional resistance of planetary gear is caused to become larger, transmission efficiency reduces, problem that can be stuck by planetary gear when serious.
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 A-A cross-sectional view in Fig. 1；
Fig. 3 is B-B cross-sectional view in Fig. 1；
Fig. 4 is the partial enlarged view of C in Fig. 2.
In figure: 1, planet carrier, 101, upper frame, 102, lower frame, 103, connecting plate, 2, slide plate, 3, magnet, 4, axis hole,
5, the first pin hole, the 6, second pin hole, 7, groove, 8, first passage, 9, second channel, 10, spacer pin, 11, spring, 12, locking
Screw, 13, card slot, 14, sliding slot, 15, threaded hole, 16, the limit shaft shoulder, 17, cover board, 18, third channel, the 19, first plate, 20,
Second plate, the 21, first hole.
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 Figs 1-4, a kind of planetary reduction gear, including planet carrier 1 further include slide plate 2 and magnet 3, the planet carrier 1
Including upper frame 101, lower frame 102 and connecting plate 103, the lower frame 102 offers axis hole 4, the restocking along its axial direction
Body 101 is oppositely arranged with the lower frame 102, passes through the connecting plate between the upper frame 101 and the lower frame 102
103 are fixedly connected, and several first pin holes 5 are offered on the upper frame 101, offer several second on the lower frame 102
Pin hole 6, several second pin holes 6 are arranged around the axis hole 4, and first pin hole 5 and second pin hole 6 correspond
It is arranged, opens up fluted 7 on the outer peripheral surface of the upper frame 101 and the outer peripheral surface of the lower frame 102, the upper frame
Groove 7 on 101 is corresponding with first pin hole 5, and the groove 7 on the lower frame 102 is corresponding with second pin hole 6, institute
It states slide plate 2 to match with the groove 7, the slide plate 2 is arranged in the groove 7, the upper frame 101 and lower frame 102
On be respectively provided with for the fixed mechanism that the slide plate 2 is fixed, one end of the upper frame 101 is located at first pin hole 5
First passage 8 is offered, the first passage 8 is connected to the groove 7 on the upper frame 101, one end of the lower frame 102
Second channel 9 is offered at second pin hole 6, the second channel 9 connects with the groove 7 on the lower frame 102
Logical, the first passage 8 and the second channel 9 are oppositely arranged, and the magnet 3 is arranged on the slide plate 2, the magnet 3
In the groove 7.
The fixed mechanism includes spacer pin 10, spring 11 and locking screw 12, the upper frame 101 and the lower frame
Card slot 13 is offered on 102, the two sides of 7 internal perisporium of groove are provided with the card slot 13, are provided on the slide plate 2
One end of sliding slot 14, the sliding slot 14 setting corresponding with the card slot 13, the spacer pin 10 is arranged in the sliding slot 14,
The other end of the spacer pin 10 passes through the sliding slot 14 and is arranged in the card slot 13, and the spring 11 is arranged in the limit
Between pin 10 and the sliding slot 14, threaded hole 15 is offered along 1 radial direction of planet carrier on the slide plate 2, the sliding slot 14
One end is connected to the threaded hole 15, and the locking screw 12 matches with the threaded hole 15, and the locking screw 12 is located at
In the threaded hole 15, the locking screw 12 is contacted with the spacer pin 10.
The spacer pin 10 far from the card slot 13 one end be provided with limit the shaft shoulder 16, the sliding slot 14 with it is described
The limit shaft shoulder 16 matches, and cover board 17 is provided on the slide plate 2, and the lid of cover board 17 is located on the sliding slot 14, the lid
The third channel 18 to match with spacer pin 10 is offered on plate 17, one end of the spacer pin 10 is arranged in the third channel
In 18, one end of the spring 11, which is supported, to be located on the cover board 17, and the other end of the spring 11, which supports, is located at the limit shaft shoulder
On 16.
The spacer pin 10 is provided with inclined-plane far from one end of the card slot 13, and the inclined-plane ecto-entad inclines gradually downward
Tiltedly setting.
The first passage 8 and second channel 9 are arc.
The upper frame 101, lower frame 102 and connecting plate 103 are integrally formed.
The upper frame 101 is provided with the first plate 19 far from one end of lower frame 102, the upper frame 101 and described the
The first slot is offered on the contact surface of one plate 19, and the groove 7 is formed between first plate 19 and first slot.
The lower frame 102 is provided with the second plate 20 far from one end of upper frame 101, the lower frame 102 and described the
Offer the second slot on the contact surface of two plates 20, offer the first hole 21 on second plate 20, first hole 21 with it is described
Second pin hole 6 is arranged in a one-to-one correspondence, and the groove 7 is formed between second plate 20 and second slot.Slide plate 2 is equipped with anti-
The only cavity of magnet 3, and magnet 3 is oppositely arranged with first passage 8 and second channel 9, and for the ease of taking magnet 3
Out, 2 bottom of slide plate offers the hole being connected to cavity, is passed in hole by tool and ejects magnet 3, similarly torn open in maintenance
When unloading, locking screw 12 need to only be unclamped, for spacer pin 10 under the active force of spring 11, spacer pin 10 is detached from card slot 13, thus
Slide plate 2 can be taken out and be safeguarded.
First plate 19 during installation, is fixed by screws on upper frame 101 by above-mentioned planetary reduction gear first, while the
Two plates 20 are fixed by screws on lower frame 102, then slide plate 2 is placed into the groove 7 and lower frame 102 of upper frame 101
In groove 7, spacer pin 10 is contracted in sliding slot 14 under the active force of spring 11 at this time so that the sliding slot 14 on slide plate 2 with
Card slot 13 in groove 7 is corresponding, and locking screw 12 is rotated in threaded hole 15, when making locking screw 12 and spacer pin 10
Contact of incline plane when, under the guiding role on inclined-plane, locking screw 12 push spacer pin 10 slided in sliding slot 14, until limit
The card of pin 10 is set in card slot 13, completes the installation of slide plate 2, equally slide plate 2 is placed into the groove 7 of lower frame 102,
Slide plate 2 is fixed on upper frame 101 by locking screw 12, completes the installation of planet carrier 1；
One end of pin shaft is mounted on the first pin hole 5 of upper frame 101, and the other end of pin shaft is mounted on the of lower frame 102
In two pin holes 6, planetary gear is rotatably arranged on planet carrier 1 by pin shaft, at runtime, the oil between planetary gear and planet carrier 1
Dirty and iron filings are entered in groove 7 by the second channel 9 on the first passage 8 and lower frame 102 on upper frame 101, and
By the magnet 3 on slide plate 2 by iron adsorption column, prevent iron filings from going between planet carrier 1 and planetary gear again due to vibration.
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 (8)
1. a kind of planetary reduction gear, including planet carrier (1), it is characterised in that: further include slide plate (2) and magnet (3), the planet
Frame (1) includes upper frame (101), lower frame (102) and connecting plate (103), and the lower frame (102) offers axis along its axial direction
Hole (4), the upper frame (101) are oppositely arranged with the lower frame (102), the upper frame (101) and the lower frame
(102) it is fixedly connected between by the connecting plate (103), several first pin holes (5) is offered on the upper frame (101),
Several second pin holes (6) are offered on the lower frame (102), several second pin holes (6) set around the axis hole (4)
It sets, first pin hole (5) and second pin hole (6) are arranged in a one-to-one correspondence, the outer peripheral surface of the upper frame (101) and described
It is opened up on the outer peripheral surface of lower frame (102) fluted (7), the groove (7) on the upper frame (101) and first pin hole
(5) corresponding, the groove (7) on the lower frame (102) is corresponding with the second pin hole (6), the slide plate (2) and the groove
(7) match, slide plate (2) setting is respectively provided on the upper frame (101) and lower frame (102) in the groove (7)
For the fixed mechanism that the slide plate (2) are fixed, one end of the upper frame (101), which is located at first pin hole (5), is opened
Equipped with first passage (8), the first passage (8) is connected to the groove (7) on the upper frame (101), the lower frame
(102) one end, which is located at second pin hole (6), to be offered second channel (9), the second channel (9) and the lower frame
(102) groove (7) connection on, the first passage (8) and the second channel (9) are oppositely arranged, magnet (3) setting
On the slide plate (2), the magnet (3) is located in the groove (7).
2. planetary reduction gear according to claim 1, it is characterised in that: the fixed mechanism includes spacer pin (10), bullet
It is offered card slot (13) on spring (11) and locking screw (12), the upper frame (101) and the lower frame (102), it is described
The two sides of groove (7) internal perisporium are provided with the card slot (13), are provided with sliding slot (14), the sliding slot on the slide plate (2)
(14) setting corresponding with the card slot (13), one end setting of the spacer pin (10) is in the sliding slot (14), the limit
The other end of position pin (10) passes through the sliding slot (14) and is arranged in the card slot (13), and the spring (11) is arranged in the limit
Between position pin (10) and the sliding slot (14), threaded hole (15) radially are offered along the planet carrier (1) on the slide plate (2),
One end of the sliding slot (14) is connected to the threaded hole (15), the locking screw (12) and the threaded hole (15) phase
Match, the locking screw (12) is located in the threaded hole (15), and the locking screw (12) contacts with the spacer pin (10).
3. planetary reduction gear according to claim 2, it is characterised in that: the separate card slot of the spacer pin (10)
(13) one end is provided with the limit shaft shoulder (16), and the sliding slot (14) matches with the limit shaft shoulder (16), the slide plate (2)
On be provided with cover board (17), the cover board (17) lid is located on the sliding slot (14), is offered and is limited on the cover board (17)
The third channel (18) that pin (10) matches, one end setting of the spacer pin (10) are described in the third channel (18)
One end of spring (11) is supported and is located on the cover board (17), and the other end of the spring (11), which supports, is located at the limit shaft shoulder (16)
On.
4. planetary reduction gear according to claim 2 or 3, it is characterised in that: the spacer pin (10) is far from the card slot
(13) one end is provided with inclined-plane, and the inclined-plane ecto-entad is obliquely installed gradually downward.
5. planetary reduction gear according to claim 1, it is characterised in that: the first passage (8) and second channel (9) are equal
For arc.
6. planetary reduction gear according to claim 1, it is characterised in that: the upper frame (101), lower frame (102) and
Connecting plate (103) is integrally formed.
7. planetary reduction gear according to claim 1, it is characterised in that: the upper frame (101) is far from lower frame (102)
One end be provided with the first plate (19), offer the first slot on the contact surface of the upper frame (101) and first plate (19),
The groove (7) are formed between first plate (19) and first slot.
8. planetary reduction gear according to claim 1, it is characterised in that: the lower frame (102) is far from upper frame (101)
One end be provided with the second plate (20), offer the second slot on the contact surface of the lower frame (102) and second plate (20),
It being offered the first hole (21) on second plate (20), first hole (21) is arranged in a one-to-one correspondence with second pin hole (6),
The groove (7) are formed between second plate (20) and second slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294511.9U CN208845693U (en) | 2018-08-10 | 2018-08-10 | Planetary reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294511.9U CN208845693U (en) | 2018-08-10 | 2018-08-10 | Planetary reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845693U true CN208845693U (en) | 2019-05-10 |
Family
ID=66353694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821294511.9U Expired - Fee Related CN208845693U (en) | 2018-08-10 | 2018-08-10 | Planetary reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845693U (en) |
-
2018
- 2018-08-10 CN CN201821294511.9U patent/CN208845693U/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: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |