CN209621970U - A kind of no idle running planet gyration speed reducer - Google Patents
A kind of no idle running planet gyration speed reducer Download PDFInfo
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- CN209621970U CN209621970U CN201920027441.9U CN201920027441U CN209621970U CN 209621970 U CN209621970 U CN 209621970U CN 201920027441 U CN201920027441 U CN 201920027441U CN 209621970 U CN209621970 U CN 209621970U
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Abstract
The utility model belongs to rotary reducer technical field, more particularly to a kind of no idle running planet gyration speed reducer, including input shaft, Gear Planet Transmission component and output shaft, the sun gear or planet carrier of input shaft and Gear Planet Transmission component are sequentially connected, the gear ring of Gear Planet Transmission component is fixed, and another rotatable parts and output shaft of Gear Planet Transmission component are sequentially connected；Friction catch component I is equipped between input shaft and detent housing, when braking hydraulic fluid port a is inputted without hydraulic oil, the pressing friction brake assemblies I under the action of spring I of piston I brake input shaft；Friction catch component II is equipped between output shaft and bearing block, when braking hydraulic fluid port b has hydraulic oil input, piston II overcomes II resistance pressing friction brake assemblies II of spring to brake output shaft under the pressure effect of hydraulic oil；Detent housing, the gear ring of Gear Planet Transmission component and bearing block successively fix as one.The double brake device of input shaft and output shaft to get on the bus park it is more stable, safer.
Description
Technical field
The utility model belongs to rotary reducer technical field, and in particular to a kind of no idle running planet gyration speed reducer.
Background technique
In rotary reducer turning course, due to the presence of gear backlash at different levels, speed reducer is got on the bus after motor stops
It cannot stop at once, under effect of inertia, it is necessary to wait running parts to cover gear backlash, can just stop；Stop from input,
Stop to output gear, the stroke of speed reducer rotation is the idle running turned round.The presence of idle running reduces the stationarity of equipment,
For some engineering trucks, this reduction is acceptable, but for the engineering truck of part (such as concrete pumping vehicle
With height rescue vehicle), it would be desirable that the higher revolution of stability can be obtained.
Summary of the invention
Place in order to overcome the above-mentioned deficiencies of the prior art, the utility model provide a kind of no idle running planet gyration deceleration
Machine.
The utility model is achieved by the following technical solution: a kind of no idle running planet gyration speed reducer, including input
The sun gear or planet carrier of axis, Gear Planet Transmission component and output shaft, input shaft and Gear Planet Transmission component are sequentially connected, Gear Planet Transmission
The gear ring of component is fixed, and another rotatable parts and output shaft of Gear Planet Transmission component are sequentially connected；
Friction catch component I is equipped between input shaft and detent housing, when braking hydraulic fluid port a is inputted without hydraulic oil, piston I exists
Pressing friction brake assemblies I brake input shaft under the action of spring I；
Friction catch component II is equipped between output shaft and bearing block, when braking hydraulic fluid port b has hydraulic oil input, piston II exists
II resistance pressing friction brake assemblies II of spring are overcome to brake output shaft under the pressure effect of hydraulic oil；
Detent housing, the gear ring of Gear Planet Transmission component and bearing block successively fix as one.
Further, the Gear Planet Transmission component includes primary planet transmission component, secondary planet transmission component and three
Grade Gear Planet Transmission component；
The primary planet transmission component includes level-one sun gear, primary planet carrier, primary planet wheel and gear ring, level-one
Sun gear and input shaft are sequentially connected, and primary planet wheel is meshed with level-one sun gear and gear ring respectively, primary planet carrier suit
On primary planet wheel；
The secondary planet transmission component includes secondary solar gear, secondary planet frame, secondary planet wheel and gear ring, second level
Sun gear and primary planet carrier are sequentially connected, and secondary planet wheel is meshed with secondary solar gear and gear ring respectively, secondary planet frame
It is sleeved on secondary planet wheel；
The third-level planetary transmission component includes three-level sun gear, third-level planetary frame, third-level planetary wheel and gear ring, three-level
Sun gear and secondary planet frame are sequentially connected, and third-level planetary wheel is meshed with three-level sun gear and gear ring respectively, third-level planetary frame
It is sleeved on third-level planetary wheel, and third-level planetary frame and output shaft are sequentially connected.
Further, the friction catch component I includes friction plate I and brake(-holder) block I, multiple friction plates I and multiple systems
The alternate setting of movable plate I, the friction plate I are connected by external splines with detent housing, the brake(-holder) block I pass through internal spline and
Input shaft is connected；
Friction catch component I is equipped with washer close to the side of primary planet transmission component, and the other side of washer is by being installed on
Hole in detent housing carries out axial limiting with retaining ring；Piston I is located at friction catch component I far from primary planet transmission component
Side is fixed with flange on the outside of detent housing, and spring I is arranged between piston I and flange, and piston I is interior with detent housing
There are axial gap between the shaft shoulder, the braking hydraulic fluid port a being arranged in detent housing leads between the axial direction between piston I and detent housing
Gap；
The friction catch component II includes friction plate II and brake(-holder) block II, multiple friction plates II and multiple brake(-holder) blocks II
Alternate setting is installed with braked wheel on output shaft, and the two sides of braked wheel are by shaft block ring I come axial limiting, the friction plate
II is connected by internal spline with braked wheel, and the brake(-holder) block II is connected by external splines with bearing block；
Friction catch component II is equipped with bearing holder (housing, cover) close to the side of third-level planetary transmission component, and bearing holder (housing, cover) is sleeved on output shaft
Between bearing block, side of the bearing holder (housing, cover) far from friction catch component II carries out axial limit by the retaining ring being installed on bearing block
Position, bearing holder (housing, cover) are additionally provided with spacer far from the side of friction catch component II, and the other side of spacer is by the hole that is installed on bearing block
Axial limiting is carried out with retaining ring II, bearing V is set between bearing holder (housing, cover) and output shaft；Piston II is located at friction catch component II
Side far from third-level planetary transmission component, spring II are located between piston II and friction catch component II, and return screw is successively
Exist on the inside shaft shoulder that spring II and piston II are fixed on bearing block, and between piston II and the inside shaft shoulder of bearing block
Axial gap, the lateral surface of piston II are set with the Y-shaped ring being arranged in pairs, and it is small to be equipped with overall diameter between Y-shaped ring described in two
Lead at the annular gap between O-ring I and bearing holder (housing, cover) in the braking hydraulic fluid port b being arranged on the O-ring I of Y-shaped ring, bearing block.
Further, the braked wheel is interference fitted by spline connection with output shaft.
Further, the blind hole for pocketed springs, the bullet are equipped on the piston I and the piston II
Spring I and the spring II are placed among the blind hole of respective pistons.
Further, the friction plate II is using paper-base friction wafer, and bearing V is close to third-level planetary transmission component
Pressure-Resistant Oil Seal I is equipped between the output shaft and bearing holder (housing, cover) of side, the two sides of Pressure-Resistant Oil Seal I are respectively by shaft block ring II and bearing holder (housing, cover)
The inside shaft shoulder carry out axial limiting, between bearing holder (housing, cover) and bearing block be equipped with O-ring II；It is also set between output shaft and bearing block
There is Durable oil sealing device II, and Durable oil sealing device II is located at end face of the piston II far from II side of friction catch component and bearing block free end
End face between；The cooling oil duct c and cooling oil duct d for leading to friction catch component II are additionally provided on bearing block.
Further, the cooling oil duct c is oil inlet passage, and the cooling oil duct d is oil discharge passage, cooling oil duct
The latus rectum of d is 1.5~2 times of cooling oil duct c.
Further, the cooling oil duct c is oil inlet passage, and the cooling oil duct d is oil discharge passage, cooling oil duct
The level height of d is higher than cooling oil duct c.
Further, the cooling oil duct c is oil inlet passage, and the cooling oil duct d is oil discharge passage, cooling oil duct
The latus rectum of d is 1.5~2 times of cooling oil duct c, and the level height of cooling oil duct d is higher than cooling oil duct c.
The beneficial effects of the utility model are: the double brake device of input shaft and output shaft to get on the bus park it is more stable,
It is safer；The application is also equipped with the advantages that compact-sized, small in size, light-weight and easy for assemble or unload.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure, 1, detent housing, 2, hole retaining ring I, 3, washer I, 4, seal assembly I, 5, screw assembly I, 6, flange, 7,
Piston I, 8, seal assembly II, 9, spring I, 10, input shaft, 11, friction plate I, 12, brake(-holder) block I, 13, level-one sun gear, 14,
Primary planet carrier, 15, bearing I, 16, primary planet wheel, 17, secondary solar gear, 18, secondary planet frame, 19, bearing II, 20, two
Grade planetary gear, 21, third-level planetary frame, 22, bearing III, 23, third-level planetary wheel, 24, three-level sun gear, 25, gear ring, 26, screw
Component III, 27, bearing block, 28, hole retaining ring II, 29, spacer, 30, retaining ring, 31, plain cushion, 32, spring II, 33, piston II,
34, return screw, 35, bearing IV, 36, output shaft, 37, dustproof cover, 38, hole retaining ring III, 39, Pressure-Resistant Oil Seal II, 40, Y type
Circle, 41, O-ring I, 42, friction plate II, 43, brake(-holder) block II, 44, braked wheel, 45, shaft block ring I, 46, O-ring II, 47, axis
Bearing sleeve, 48, bearing V, 49, shaft block ring II, 50, Pressure-Resistant Oil Seal I, 51, screw assembly II.
Specific embodiment
Below according to drawings and examples, the present invention will be further described.
The utility model discloses a kind of no idle running planet gyration speed reducer, including input shaft 10, Gear Planet Transmission component and
The sun gear or planet carrier of output shaft 36, input shaft 10 and Gear Planet Transmission component are sequentially connected, i.e. the sun of planet transmission component
Wheel or planet carrier can be used as the power input of planetary transmission system, and the gear ring of Gear Planet Transmission component is then in fixing shape
State；Another rotatable parts and output shaft 36 of Gear Planet Transmission component are sequentially connected, specifically, when the sun of Gear Planet Transmission component
Wheel is used as power input part, then the planet carrier of Gear Planet Transmission component is as power output part, when the row of Gear Planet Transmission component
Carrier is as power input part when the sun gear of Gear Planet Transmission component is as power input part, then Gear Planet Transmission component is too
Sun wheel is used as power output part.
Friction catch component I is equipped between input shaft 10 and detent housing 1, when braking hydraulic fluid port a is inputted without hydraulic oil, piston
I 7 under the action of spring I 9 pressing friction brake assemblies I input shaft 10 is braked；
Friction catch component II is equipped between output shaft 36 and bearing block 27, when braking hydraulic fluid port b has hydraulic oil input, piston
II 33 overcome II 32 resistance pressing friction brake assemblies II of spring to brake output shaft 36 under the pressure effect of hydraulic oil；
Detent housing 1, the gear ring of Gear Planet Transmission component and bearing block 27 successively fix as one.
Specific ground structure is as shown in Figure 1, the Gear Planet Transmission component includes primary planet transmission component, secondary planet biography
Dynamic component and third-level planetary transmission component, above-mentioned Gear Planet Transmission component share same gear ring 25；
The primary planet transmission component includes level-one sun gear 13, primary planet carrier 14, primary planet wheel 16 and tooth
Circle 25, level-one sun gear 13 and input shaft 10 connect the transmitting of realization power by spline, primary planet wheel 16 respectively with level-one
Sun gear 13 and gear ring 25 are meshed, and primary planet carrier 14 is sleeved on primary planet wheel 16 by bearing I 15；
The secondary planet transmission component includes secondary solar gear 17, secondary planet frame 18, secondary planet wheel 20 and tooth
Circle 25, secondary solar gear 17 and primary planet carrier 14 connect the transmitting of realization power by spline, secondary planet wheel 20 respectively with
Secondary solar gear 17 and gear ring 25 are meshed, and secondary planet frame 18 is sleeved on secondary planet wheel 20 by bearing II 19；
The third-level planetary transmission component includes three-level sun gear 24, third-level planetary frame 21, third-level planetary wheel 23 and tooth
Circle 25, three-level sun gear 24 and secondary planet frame 18 connect the transmitting of realization power by spline, third-level planetary wheel 23 respectively with
Three-level sun gear 24 and gear ring 25 are meshed, and third-level planetary frame 21 is sleeved on third-level planetary wheel 23 by bearing III 22, and three
Grade planet carrier 21 is connect with output shaft 36 by spline, realizes the power output of entire rotary reducer.
As shown in Figure 1, the friction catch component I includes friction plate I 11 and brake(-holder) block I 12, multiple I 11 Hes of friction plate
The alternate setting of multiple brake(-holder) blocks I 12, i.e. friction plate I 11 and brake(-holder) block I 12 circuit sequentially setting and constitute friction catch component I, institute
The friction plate I 11 stated is connected by external splines with detent housing 1, and the brake(-holder) block I 12 passes through internal spline and 10 phase of input shaft
Even；
Friction catch component I is equipped with washer 3 close to the side of primary planet transmission component, and the other side of washer 3 is by clamping
Hole in detent housing 1 carries out axial limiting with retaining ring 2, and washer 3 and hole retaining ring 2 jointly play friction catch component I
The effect of support limit；Piston I 7 is located at side of the friction catch component I far from primary planet transmission component, and detent housing 1 is certainly
Flange 6 is fixed with by the end face held, flange 6 is fixed by screw assembly I 5 and 1 phase of detent housing, is additionally provided on flange 6 to defeated
Enter the oil duct that axis 1 carries out oil lubrication, when not in use using the stifled sealing of oil, spring I 9 is arranged in piston I 7 and flange 6 oil duct
Between, there are axial gap between piston I 7 and the interior shaft shoulder of detent housing 1, the braking hydraulic fluid port a being arranged in detent housing 1 leads to
Axial gap between piston I 7 and detent housing 1 is respectively equipped with seal assembly on I 7 axle journal of piston of the braking two sides hydraulic fluid port a
I 4 and seal assembly II 8, seal assembly I 4 and seal assembly II 8 are for constituting closed space, so that entering from braking hydraulic fluid port a
Hydraulic oil cannot the radial clearance between piston I 7 and detent housing 1 leak, and then influence release input shaft 10 brake effect
Fruit；When braking hydraulic fluid port a and inputting without oil liquid, under the pressure of spring I 9, piston I 7 compresses friction catch component I, plays pair
The braking action of input shaft 10, when braking hydraulic fluid port a has oil liquid input, oil liquid flows into the axis between piston I 7 and detent housing 1
To gap, when the pressure of oil liquid is greater than the resistance of spring I 9, piston I 7 is moved axially towards the direction of flange 6, friction catch
Component I is in releasing orientation, and input shaft 10 releases braking.
The friction catch component II includes friction plate II 42 and brake(-holder) block II 43, multiple friction plates II 42 and multiple systems
The alternate setting of movable plate II 43, i.e. friction plate II 42 and brake(-holder) block II 43 circuit sequentially setting and constitute friction catch component II, output
Braked wheel 44 is installed on axis 36, by shaft block ring I 45 come axial limiting, the friction plate II 42 is logical for the two sides of braked wheel 44
It crosses internal spline to be connected with braked wheel 44, the brake(-holder) block II 43 is connected by external splines with bearing block 27；
Friction catch component II is equipped with bearing holder (housing, cover) 47,47 pairs of friction systems of bearing holder (housing, cover) close to the side of third-level planetary transmission component
Dynamic component II plays the role of support limit, and bearing holder (housing, cover) 47 is sleeved between output shaft 36 and bearing block 27, and bearing holder (housing, cover) 47 is separate
The side of friction catch component II carries out axial limiting by the retaining ring 30 being installed on bearing block 27, and bearing holder (housing, cover) 47 is far from friction system
The side of dynamic component II is additionally provided with spacer 29, and the other side of spacer 29 is carried out by the hole being installed on bearing block 27 with retaining ring II 28
Axial limiting since the normal pressure that friction catch component II generates is bigger, and is the pressure of checker, and bearing holder (housing, cover) 47 can produce
The axial force of raw biggish checker, it is dangerous using common hole retaining ring, it is necessary to the bigger retaining ring 30 of thickness, and
And limited by radial space, so retaining ring 30 increases thickness, then segmentation is cut, segmentation installation；It is limited, is prevented using spacer 29
Retaining ring 30 is deviate from, and hole retaining ring 28 limits spacer 29, little by axial force.Bearing is set between bearing holder (housing, cover) 47 and output shaft 36
V 48, bearing holder (housing, cover) 47 and bearing V 48 also function to supporting role；Piston II 33 is located at friction catch component II far from third-level planetary
The side of transmission component, spring II 32 are located between piston II 33 and friction catch component II, and return screw 34 sequentially passes through bullet
Spring II 32 and piston II 33 are fixed on the inside shaft shoulder of bearing block 27, and return screw 34 is equipped with plain cushion 31, bullet at head
Spring II 32 is between plain cushion 31 and piston II 33, there are axial gap between the inside shaft shoulder of piston II 33 and bearing block 27,
Under the pressure of spring II 32, piston II 33 is moved along the axial of return screw 34 to the direction far from friction catch component II
Dynamic, so that friction catch component II is in releasing orientation, the lateral surface of piston II 33 is set with the Y-shaped ring 40 being arranged in pairs, and two
The O-ring I 41 that overall diameter is less than Y-shaped ring 40, the braking hydraulic fluid port b being arranged on bearing block 27 are equipped between a Y-shaped ring 40
Lead at the annular gap between O-ring I 41 and bearing holder (housing, cover) 47.When braking hydraulic fluid port b has oil liquid input, oil liquid flows into O-ring I
At annular gap between 41 and bearing holder (housing, cover) 47, the Y-shaped ring 40 of I 41 two sides of O-ring plays sealing function, prevents oil liquid from revealing,
Braking effect is influenced, when the pressure of oil liquid is greater than the resistance of spring II 32, oil liquid pushes piston II 33 towards friction catch component II
Direction it is mobile, friction catch component II is compressed, the braking action to output shaft 36 is played, when braking hydraulic fluid port b stops oil liquid
When input, under the pressure of spring II 32, oil liquid is back to fuel tank from braking hydraulic fluid port b, and piston II 33 moves backward, friction catch
Component II is in releasing orientation, releases the braking to output shaft 36.
As shown in Figure 1, flange 6 is fixed by screw assembly I 5 and detent housing 1, detent housing 1 passes through screw assembly again
II 51 is fixed with gear ring 25, and gear ring 25 is fixed by screw assembly III 26 and 27 phase of bearing block.Between output shaft 36 and bearing block 27
It is additionally provided with bearing IV 35, the inside of bearing 35 is limited by the inside shaft shoulder of bearing block 27, and the outside of bearing 35 is then by dustproof cover 37
It is limited, meanwhile, dustproof cover 37 also prevents dust from polluting bearing 35.
Further, the braked wheel 44 is interference fitted by spline connection with output shaft 36.
As the optimization of the present embodiment, it is equipped on the piston I 7 and the piston II 33 for pocketed springs
Blind hole, the spring I 9 and the spring II 32 are placed among the blind hole of respective pistons, and blind hole plays guiding to spring
Effect.
As the optimization of the present embodiment, the friction plate II 42 is using paper-base friction wafer, due to paper-base friction wafer
It is relatively high to cleannes and temperature requirement, it is therefore desirable to which that friction catch component II is cooled down.Bearing V 48 is close to third-level planetary
Pressure-Resistant Oil Seal I 50 is equipped between the output shaft 36 and bearing holder (housing, cover) 47 of transmission component side, the two sides of Pressure-Resistant Oil Seal I 50 are respectively by axis
Axial limiting is carried out with the inside shaft shoulder of retaining ring II 49 and bearing holder (housing, cover) 47, O-ring II is equipped between bearing holder (housing, cover) 47 and bearing block 27
46；It is further sleeved with Durable oil sealing device II 39 between output shaft 36 and bearing block 27, and to be located at piston II 33 separate for Durable oil sealing device II 39
Between the end face of 27 free end of end face and bearing block of II side of friction catch component；It is additionally provided with to lead on bearing block 27 and rub
Wipe the cooling oil duct c and cooling oil duct d of brake assemblies II.Pressure-Resistant Oil Seal I 50, O-ring II 46 and Durable oil sealing device II 39 constitute one
A confined space, oil inlet one as cooling oil of cooling oil duct c and cooling oil duct d mono- is as the fuel-displaced of cooling oil
Mouthful.
Further, the cooling oil duct c is oil inlet passage, and the cooling oil duct d is oil discharge passage, cooling oil duct
The latus rectum of d is 1.5~2 times of cooling oil duct c, and oil discharge passage is greater than oil inlet passage, allows cooling oil is smooth to pass through braking
Device protects Pressure-Resistant Oil Seal without forming back pressure.
As the optimization of the present embodiment, the cooling oil duct c is oil inlet passage, and the cooling oil duct d is fuel-displaced logical
Road, the level height of cooling oil duct d are higher than cooling oil duct c.In this way, cooling oil from cooling oil duct c entrance after, cooling oil
It needs to flow out from cooling oil duct d full of continuation oil inlet after cooling oil duct d confined space below, can so to rub
Brake assemblies II are wiped to be adequately cooled.
Further, the cooling oil duct c stated is oil inlet passage, and the cooling oil duct d is oil discharge passage, cooling oil duct d
Latus rectum be 1.5~2 times of cooling oil duct c, and the level height of cooling oil duct d is higher than cooling oil duct c.
In conclusion in use, getting on the bus when needing to rotate, hydraulic fluid port a oil inlet, input shaft brake release, motor band are braked
Rotary reducer driving get on the bus rotation；When needing to stop, motor stalling brakes hydraulic fluid port b oil inlet, output shaft is without transmission
Part is directly braked, and realizes safety and steady parking；Hydraulic fluid port b fuel cut-off is braked, rotary reducer can normal rotary motion；
Brake hydraulic fluid port a and braking hydraulic fluid port b all fuel cut-off when parking, it is normally closed that rotary reducer returns to friction catch component I, friction catch
The normally opened state of component II realizes parking by friction catch component I.
Claims (9)
1. a kind of no idle running planet gyration speed reducer, it is characterised in that: including input shaft (10), Gear Planet Transmission component and output shaft
(36), the sun gear or planet carrier of input shaft (10) and Gear Planet Transmission component are sequentially connected, and the gear ring of Gear Planet Transmission component is fixed,
Another rotatable parts of Gear Planet Transmission component and output shaft (36) are sequentially connected；
Friction catch component I is equipped between input shaft (10) and detent housing (1), when braking hydraulic fluid port a is inputted without hydraulic oil, piston
I (7) pressing friction brake assemblies I under the action of spring I (9) brake input shaft (10)；
Friction catch component II is equipped between output shaft (36) and bearing block (27), when braking hydraulic fluid port b has hydraulic oil input, piston
II (33) hydraulic oil pressure effect under overcome spring II (32) resistance pressing friction brake assemblies II to output shaft (36) into
Row braking；
Detent housing (1), the gear ring of Gear Planet Transmission component and bearing block (27) successively fix as one.
2. a kind of no idle running planet gyration speed reducer according to claim 1, it is characterised in that: the epicyclic gearsets
Part includes primary planet transmission component, secondary planet transmission component and third-level planetary transmission component；
The primary planet transmission component include level-one sun gear (13), primary planet carrier (14), primary planet wheel (16) and
Gear ring (25), level-one sun gear (13) and input shaft (10) are sequentially connected, primary planet wheel (16) respectively with level-one sun gear
(13) it is meshed with gear ring (25), primary planet carrier (14) is sleeved on primary planet wheel (16)；
The secondary planet transmission component include secondary solar gear (17), secondary planet frame (18), secondary planet wheel (20) and
Gear ring (25), secondary solar gear (17) and primary planet carrier (14) are sequentially connected, secondary planet wheel (20) respectively with the second level sun
Wheel (17) and gear ring (25) are meshed, and secondary planet frame (18) is sleeved on secondary planet wheel (20)；
The third-level planetary transmission component include three-level sun gear (24), third-level planetary frame (21), third-level planetary wheel (23) and
Gear ring (25), three-level sun gear (24) and secondary planet frame (18) are sequentially connected, third-level planetary wheel (23) respectively with the three-level sun
Wheel (24) and gear ring (25) are meshed, and third-level planetary frame (21) is sleeved on third-level planetary wheel (23), and third-level planetary frame (21)
It is sequentially connected with output shaft (36).
3. a kind of no idle running planet gyration speed reducer according to claim 2, it is characterised in that: the friction catch group
Part I includes friction plate I (11) and brake(-holder) block I (12), multiple friction plates I (11) and the alternate setting of multiple brake(-holder) blocks I (12), described
Friction plate I (11) be connected with detent housing (1) by external splines, the brake(-holder) block I (12) passes through internal spline and input shaft
(10) it is connected；
Friction catch component I is equipped with washer (3) close to the side of primary planet transmission component, and the other side of washer (3) is by clamping
Hole on detent housing (1) carries out axial limiting with retaining ring (2)；Piston I (7) is located at friction catch component I far from level-one row
The side of star transmission component is fixed with flange (6) on the outside of detent housing (1), and spring I (9) is arranged in piston I (7) and flange
(6) between, there are axial gap between piston I (7) and the interior shaft shoulder of detent housing (1), the braking that is arranged in detent housing (1)
Hydraulic fluid port a leads to the axial gap between piston I (7) and detent housing (1)；
The friction catch component II includes friction plate II (42) and brake(-holder) block II (43), multiple friction plates II (42) and multiple
Brake(-holder) block II (43) alternate setting is installed with braked wheel (44) on output shaft (36), and the two sides of braked wheel (44) are by shaft block ring I
(45) carry out axial limiting, the friction plate II (42) is connected by internal spline with braked wheel (44), the brake(-holder) block II
(43) it is connected by external splines with bearing block (27)；
Friction catch component II is equipped with bearing holder (housing, cover) (47) close to the side of third-level planetary transmission component, and bearing holder (housing, cover) (47) is sleeved on defeated
Between shaft (36) and bearing block (27), side of the bearing holder (housing, cover) (47) far from friction catch component II is by being installed on bearing block (27)
On retaining ring (30) carry out axial limiting, bearing holder (housing, cover) (47) is additionally provided with spacer (29) far from the side of friction catch component II, every
Cover the other side of (29) and carry out axial limiting with retaining ring II (28) by the hole that is installed on bearing block (27), bearing holder (housing, cover) (47) with it is defeated
Shaft is set with bearing V (48) between (36)；Piston II (33) is located at friction catch component II far from third-level planetary transmission component
Side, spring II (32) is located between piston II (33) and friction catch component II, and return screw (34) sequentially passes through spring
II (32) and piston II (33) are fixed on the inside shaft shoulder of bearing block (27), and the inside of piston II (33) and bearing block (27)
There are axial gap between the shaft shoulder, the lateral surface of piston II (33) is set with the Y-shaped ring (40) being arranged in pairs, Y described in two
The O-ring I (41) that overall diameter is less than Y-shaped ring (40) is equipped between type circle (40), the braking hydraulic fluid port b being arranged on bearing block (27) is logical
To at the annular gap between O-ring I (41) and bearing holder (housing, cover) (47).
4. a kind of no idle running planet gyration speed reducer according to claim 3, it is characterised in that: the braked wheel (44)
It is interference fitted by spline connection with output shaft (36).
5. a kind of no idle running planet gyration speed reducer according to claim 3, it is characterised in that: the piston I (7) and
The blind hole for pocketed springs is equipped on the piston II (33), the spring I (9) and the spring II (32) are put
It sets among the blind hole of respective pistons.
6. a kind of no idle running planet gyration speed reducer according to claim 3, it is characterised in that: the friction plate II
(42) using paper-base friction wafer, output shaft (36) and bearing holder (housing, cover) of the bearing V (48) close to third-level planetary transmission component side
(47) Pressure-Resistant Oil Seal I (50) is equipped between, the two sides of Pressure-Resistant Oil Seal I (50) are respectively by shaft block ring II (49) and bearing holder (housing, cover) (47)
The inside shaft shoulder carry out axial limiting, equipped with O-ring II (46) between bearing holder (housing, cover) (47) and bearing block (27)；Output shaft (36) and
Durable oil sealing device II (39) is further sleeved between bearing block (27), and Durable oil sealing device II (39) is located at piston II (33) far from friction system
Between the end face of dynamic II side of component and the end face of bearing block (27) free end；It is additionally provided on bearing block (27) and leads to friction catch
The cooling oil duct c and cooling oil duct d of component II.
7. a kind of no idle running planet gyration speed reducer according to claim 6, it is characterised in that: the cooling oil duct c
For oil inlet passage, the cooling oil duct d is oil discharge passage, and the latus rectum of cooling oil duct d is 1.5~2 times of cooling oil duct c.
8. a kind of no idle running planet gyration speed reducer according to claim 6, it is characterised in that: the cooling oil duct c
For oil inlet passage, the cooling oil duct d is oil discharge passage, and the level height of cooling oil duct d is higher than cooling oil duct c.
9. a kind of no idle running planet gyration speed reducer according to claim 6, it is characterised in that: the cooling oil duct c
For oil inlet passage, the cooling oil duct d is oil discharge passage, and the latus rectum of cooling oil duct d is 1.5~2 times of cooling oil duct c, and
The level height of cooling oil duct d is higher than cooling oil duct c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027441.9U CN209621970U (en) | 2019-01-08 | 2019-01-08 | A kind of no idle running planet gyration speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027441.9U CN209621970U (en) | 2019-01-08 | 2019-01-08 | A kind of no idle running planet gyration speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109519504A (en) * | 2019-01-08 | 2019-03-26 | 徐州科源液压股份有限公司 | Without idle running planet gyration speed reducer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519504A (en) * | 2019-01-08 | 2019-03-26 | 徐州科源液压股份有限公司 | Without idle running planet gyration speed reducer |
| CN109519504B (en) * | 2019-01-08 | 2024-01-30 | 徐州科源液压股份有限公司 | Non-idle stroke planetary rotary speed reducer |
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