CN209309272U - A kind of close roller shafting of retarder heavy duty - Google Patents
A kind of close roller shafting of retarder heavy duty Download PDFInfo
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- CN209309272U CN209309272U CN201822079895.9U CN201822079895U CN209309272U CN 209309272 U CN209309272 U CN 209309272U CN 201822079895 U CN201822079895 U CN 201822079895U CN 209309272 U CN209309272 U CN 209309272U
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- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 210000000515 tooth Anatomy 0.000 description 15
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a kind of close roller shaftings of retarder heavy duty, including motor, motor shaft to be assemblied in the deep hole of input axis center, the input shaft external mounting step wheel, and is provided with bearing between the two；Step wheel external mounting output shaft, is provided with bearing between output shaft and input shaft；Output shaft external mounting ontology；Assembly input end cap above ontology and step wheel, inputs between end cap and input shaft and is disposed with bearing and inner oil seal set from bottom to top；It inputs between end cap and ontology and is fastened by screw；Output panel is set below output shaft and ontology, and output panel is connect with output shaft bottom by screw fastener；Outer oil seal set is provided in the card slot of ontology lower end outer wall；Cylinder roller is set between the output shaft and ontology；Ontology upper and lower end face is provided with barrier circle, and shrouding disc is assembled above the barrier circle of upper end, and shrouding disc is fixed with output shaft top surface.The utility model can effectively improve life expectancy period of the retarder under weight light duty.
Description
Technical field
The invention belongs to motor reducer technical fields, and in particular to a kind of close roller shafting of retarder heavy duty.
Background technique
Gear reduction unit is common transmission mechanism in machinery industry, and principle is realized by multi-stage gear engaged transmission
Motor output variable speed, while realizing and becoming torque output.The loading bearing of common reducer output shaft is corner connection both at home and abroad at present
Contact bearing pair, bearing position is in output shaft two sides, the especially retarder of industrial robot field application, due to joint of mechanical arm
Place need to carry the total weight of junior's mechanical arm and clamped workpiece using unilateral external hanging type connection, output shafts at different levels, and long-term
It is run under heavy load operating condition, therefore, interior support shafting is difficult to keep high-precision rotary in Long time scale, gear
Serious wear, and then lead to the high-precision life cycle wretched insufficiency of retarder, frequently it need to be repaired or be replaced.Analysis is wherein
The problem of reason is bearing support pattern, mainstream retarder shafting is generally served only for realizing torque output in industry at present, when subtracting
Shafting inside fast device need to undertake simultaneously precision rotating and heavy load bearing function, especially when retarder inner space by
Limit, when one group of angular contact bearing can only be arranged, in this case, the rotating accuracy of reducer output shaft be will be unable under fully loaded transportation condition
Guarantee.Industrial robot retarder need to meet the rotation of the multiple degrees of freedom under heavy load condition, therefore, need the load for bearing
Lotus is more demanding, but the retarder that rotating accuracy is of less demanding.
Utility model content
The utility model is proposed to overcome disadvantage existing in the prior art, and the purpose is to provide a kind of deceleration
The close roller shafting of device heavy duty.
The technical solution of the utility model is:
A kind of close roller shafting of retarder heavy duty, including motor, motor shaft are assemblied in the deep hole of input axis center,
The input shaft external mounting step wheel, and it is provided with bearing between the two；Step wheel external mounting output shaft, output shaft with it is defeated
Enter and is provided with bearing between axis；Output shaft external mounting ontology；Assembly input end cap above ontology and step wheel, input end cap with
Bearing and inner oil seal set are disposed between input shaft from bottom to top；It inputs between end cap and ontology and is fastened by screw；It is defeated
Output panel is set below shaft and ontology, and output panel is connect with output shaft bottom by screw fastener；Ontology lower end outer wall
Outer oil seal set is provided in card slot；Cylinder roller is set between the output shaft and ontology；Ontology upper and lower side is provided with along ring
To closely uniformly distributed roller layer, and barrier circle is set between roller layer, shrouding disc, shrouding disc and output shaft are assembled above the barrier circle of upper end
Top surface is fixed.
The circumferentially uniformly distributed stepped hole for being connect with power acting body of the output panel.
The up big and down small second order stepped hole in aperture is formed among the ontology, bottom surface forms annular groove, and lower end outer wall is formed
Annular slot；Top roller layer is set on stepped hole cascaded surface, and lower section roller layer is set in annular groove.
The step wheel is the three rank stepped shaft structures that outer diameter is gradually reduced from top to bottom；Upper section and middle section outer wall are respectively formed
External tooth.
The input end cap longitudinal section is in convex structure, and centre forms through-hole, and bottom surface forms groove；Groove cell wall and slot
Bottom is provided with the internal tooth with tooth engagement outside the upper section of step wheel.
The bearing is standard deep groove ball bearing or needle bearing.
The inner oil seal set uses standard spring-loaded oil seal component；Outer oil seal set uses standard R type spring-loaded oil seal component.
The input shaft is eccentric stepped shaft, and center is equipped with the deep hole for assembling motor shaft.
The three rank stepped holes that aperture is gradually reduced are formed among the output shaft, stepped hole uppermost hole wall is formed and step
The internal tooth that wheel middle section outer wall external tooth is meshed, is provided with bearing, output shaft top surface is uniformly used between lower section hole wall and input shaft
The threaded hole being connect with shrouding disc.
The shrouding disc is cyclic structure, and end face forms circumferentially uniformly distributed through-hole, and through-hole aperture is less than the roller of roller layer
Outer diameter.
The beneficial effects of the utility model are:
The utility model provides a kind of retarder shafting design method of the dense ball bearing shafting bearing of achievable heavy duty revolution,
Life expectancy period of the retarder under weight light duty can be effectively improved.
Change of the utility model to the interior support mode of conventional gears retarder is combined intermediate using the close roller that gathers
The close roller shafting of barrier circle replaces the bearing support pattern generallyd use in industry, and guarantees the premise of certain rotating accuracy
Under, the load capacity of retarder is greatly improved, the accuracy of mesh of the retarder internal gear under fully loaded transportation condition can be met, substantially prolonged
Long retarder life expectancy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the close roller shafting of retarder heavy duty of the utility model.
Wherein:
1 output panel, 2 ontology
3 step wheels 4 input end cap
5 bearing, 6 inner oil seal set
7 input shaft, 8 output shaft
9 shrouding disc, 10 barrier circle
11 cylinder roller, 12 outer oil seal set
13 motors.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment carries out a kind of retarder of the utility model with the close roller shafting of heavy duty
It is described in detail:
As shown in Figure 1, a kind of close roller shafting of retarder heavy duty, including motor 13, motor shaft are assemblied in input shaft 7
In the deep hole at center, the 7 external mounting step wheel 3 of input shaft, and it is provided with bearing 5 between the two；3 external mounting of step wheel
Output shaft 8 is provided with bearing 5 between output shaft 8 and input shaft 7；8 external mounting ontology 2 of output shaft；On ontology 2 and step wheel 3
Side's assembly input end cap 4, inputs between end cap 4 and input shaft 7 and is disposed with bearing 5 and inner oil seal set 6 from bottom to top；Input
It is fastened between end cap 4 and ontology 2 by screw；Output panel 1, output panel 1 and 8 bottom of output shaft are set below output shaft 8 and ontology 2
Portion is connected by screw fastener；Outer oil seal set 12 is provided in the card slot of 2 lower end outer wall of ontology；
Cylinder roller 11 is set between the output shaft 8 and ontology 2；2 upper and lower side of ontology is provided with circumferentially close equal
The roller layer of cloth, and barrier circle 10 is set between roller layer, shrouding disc 9, shrouding disc 9 and output shaft 8 are assembled above upper end barrier circle 10
Top surface is fixed.
The output panel 1 is power take-off mechanism, the circumferential uniformly distributed stepped hole for connecting with power acting body, end face
Flatness and depth of parallelism processing request are less than 0.01mm, to guarantee the leakproofness after assembly.
The ontology 2 is the load bearing component of retarder shafting, forms the up big and down small second order stepped hole in aperture, bottom among it
Face forms annular groove, and lower end outer wall forms annular slot；Top roller layer is set on stepped hole cascaded surface, and lower section roller layer is set
It is placed in annular groove.
The step wheel 3 is the three rank stepped shaft structures that outer diameter is gradually reduced from top to bottom；Upper section and the equal shape of middle section outer wall
At external tooth, the axis coaxle degree of two sections of external tooths requires to be less than 0.01mm.
4 longitudinal section of input end cap is in convex structure, and centre is formed for the through-hole across motor shaft, and is design
Benchmark；Bottom surface forms groove；Groove cell wall and slot bottom are provided with the internal tooth with tooth engagement outside the upper section of step wheel 3；Tooth form axis
It is less than 0.01mm with benchmark concentricity.
The bearing 5 is standard deep groove ball bearing or needle bearing, for carrying input shaft 7 and guaranteeing rotating accuracy.
The inner oil seal set 6 is the upper seal member of a whole set of retarder, using standard spring-loaded oil seal component；Outer oil seal set 12
For the sealing portion part of a whole set of retarder, external sealing is carried out using standard R type spring-loaded oil seal component.
The input shaft 7 is typical eccentric stepped shaft, and it is retarder that center, which is equipped with the deep hole for assembling motor shaft,
Major impetus input part.
The three rank stepped holes that aperture is gradually reduced are formed among the output shaft 8, stepped hole uppermost hole wall is formed and platform
Rank takes turns the internal tooth that 3 middle section outer wall external tooths are meshed, and bearing 5 is provided between lower section hole wall and input shaft 7,8 top surface of output shaft is equal
Cloth is used for the threaded hole connecting with shrouding disc 9.Tooth form axis and stepped hole concentricity are less than 0.01mm.
The shrouding disc 9 is cyclic structure, and end face forms circumferentially uniformly distributed through-hole, and through-hole aperture is less than the roller of roller layer
Outer diameter；Shrouding disc 9 is for clamping upper layer roller.
The barrier circle 10 is cyclic structure, is placed in and prolongs between circumferential closely uniformly distributed roller layer, prevents roller from generating
It rolls or end face rubs.
The cylinder roller 11 is high precision steel column, and bus straight line degree and circumferential circle bounce reach micron dimension, and
Biggish radial load can be born, and remains unchanged shape.
A kind of retarder of the present invention with the close roller shafting of heavy duty is set to the innovation of traditional bearing retarder shafting
Meter, when the revolving speed of motor 13 is conducted to step wheel 3 by input shaft 7,3 external tooth of step wheel by with tooth engagement band in output shaft 8
Dynamic output shaft 8 turns round, and then output panel 1 is driven to turn round.The roller shafting that barrier circle 10 and cylindricality pillar 11 are formed, carries and subtracts
The main pivoting part of fast device provides biggish radially, axially load, while having good antitorque stubborn performance and shock resistance
Performance, and under severe duty guarantee retarder longtime running, can be used as heavy-load robot joint arm retarder mainly hold
Heavy-duty machine structure greatly improves joint of robot arm retarder life expectancy, reduces the failure rate of robot.
Claims (10)
1. a kind of close roller shafting of retarder heavy duty, including motor (13), motor shaft are assemblied in the depth at input shaft (7) center
In hole, it is characterised in that: input shaft (7) the external mounting step wheel (3), and it is provided with bearing (5) between the two；Step wheel
(3) external mounting output shaft (8) are provided with bearing (5) between output shaft (8) and input shaft (7)；Output shaft (8) external mounting
Ontology (2)；Assembly input end cap (4) above ontology (2) and step wheel (3) inputs between end cap (4) and input shaft (7) under
Bearing (5) and inner oil seal set (6) are disposed on and；It inputs between end cap (4) and ontology (2) and is fastened by screw；Output
Output panel (1) is set below axis (8) and ontology (2), output panel (1) is connect with output shaft (8) bottom by screw fastener；This
Outer oil seal set (12) are provided in the card slot of body (2) lower end outer wall；
Cylinder roller (11) are set between the output shaft (8) and ontology (2)；Ontology (2) upper and lower side is provided with circumferentially tight
Close uniformly distributed roller layer, and barrier circle (10) are set between roller layer, shrouding disc (9) are assembled above upper end barrier circle (10), shrouding disc
(9) it is fixed with output shaft (8) top surface.
2. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the output panel (1)
The circumferential uniformly distributed stepped hole for being connect with power acting body.
3. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: in the ontology (2)
Between form the up big and down small second order stepped hole in aperture, bottom surface forms annular groove, and lower end outer wall forms annular slot；Top roller layer
It is set on stepped hole cascaded surface, lower section roller layer is set in annular groove.
4. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the step wheel (3)
Three rank stepped shaft structures being gradually reduced for outer diameter from top to bottom；Upper section and middle section outer wall are respectively formed external tooth.
5. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the input end cap
(4) longitudinal section is in convex structure, and centre forms through-hole, and bottom surface forms groove；Groove cell wall and slot bottom are provided with and step wheel
(3) internal tooth of the outer tooth engagement of upper section.
6. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the bearing (5) is
Standard deep groove ball bearing or needle bearing.
7. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the inner oil seal set
(6) standard spring-loaded oil seal component is used；Outer oil seal set (12) uses standard R type spring-loaded oil seal component.
8. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the input shaft (7)
For eccentric stepped shaft, center is equipped with the deep hole for assembling motor shaft.
9. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the output shaft (8)
Centre forms the three rank stepped holes that aperture is gradually reduced, and stepped hole uppermost hole wall is formed and step wheel (3) middle section outer wall external tooth
The internal tooth being meshed is provided with bearing (5) between lower section hole wall and input shaft (7), and output shaft (8) top surface is uniformly used for and shrouding disc
(9) threaded hole connected.
10. a kind of close roller shafting of retarder heavy duty according to claim 1, it is characterised in that: the shrouding disc (9) is
Cyclic structure, end face form circumferentially uniformly distributed through-hole, and through-hole aperture is less than the outer diameter of the roller of roller layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079895.9U CN209309272U (en) | 2018-12-12 | 2018-12-12 | A kind of close roller shafting of retarder heavy duty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079895.9U CN209309272U (en) | 2018-12-12 | 2018-12-12 | A kind of close roller shafting of retarder heavy duty |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209309272U true CN209309272U (en) | 2019-08-27 |
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ID=67676653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822079895.9U Active CN209309272U (en) | 2018-12-12 | 2018-12-12 | A kind of close roller shafting of retarder heavy duty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209309272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356998A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder heavy duty |
-
2018
- 2018-12-12 CN CN201822079895.9U patent/CN209309272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356998A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder heavy duty |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300350 room 107-22, building 3, No. 3, Hong Kong Street, Jinnan Economic Development Zone (West District), Jinnan District, Tianjin Patentee after: CNNC Xinke (Tianjin) Technology Co.,Ltd. Address before: 300350 room 107-22, building 3, No. 3, Hong Kong Street, Jinnan Economic Development Zone (West District), Jinnan District, Tianjin Patentee before: CNNC XINKE (TIANJIN) PRECISION MACHINERY MANUFACTURING Co.,Ltd. |