CN218093687U - Fixing and output device of cycloid motor - Google Patents

Abstract

The utility model discloses a fixed and output device of cycloid motor, including fixed shell, the fixed shell top is equipped with the end cover, the fixed shell below is equipped with stator rotor assembly, stator rotor assembly below is equipped with fuel feeding and joins in marriage oily group, the end cover is a disc flange, be equipped with the mesopore in the middle of the end cover, the end cover top is equipped with end cover bearing chamber, install the roller bearing in the end cover bearing chamber. The utility model discloses a fixing and output device of cycloid motor, square flange conveniently sets up the location at the equipment fixing position when the installation, and the motor can bear bigger torsion. The roller bearing is arranged in the end cover bearing cavity, the excircle of the end cover can be used as a spigot to be inserted into the motor mounting positioning hole after concentric processing, so that the motor and the equipment are more stably mounted, and the end cover and the roller bearing together provide front end support for the shaft extension in the mounting hole, so that the shaft extension is more stable and can bear larger lateral force.

Description

Fixing and output device of cycloid motor

Technical Field

The utility model relates to a hydraulic transmission technical field, in particular to fixed and output device of cycloid motor.

Background

The cycloid hydraulic motor is used very extensively, the cycloid motor is fixed in equipment through the flange of shell, the axle through the motor output shaft stretches output torque, generally can directly install gear sprocket etc. and driven gear sprocket direct action on the output shaft axle stretches in using, like this, no matter motor fixed shell and output shaft, can all bear certain yawing force at work, lead to the motor to fix easy not hard up, the output shaft is because when the radial force of load was too big, also can cause the axle lateral deviation, it damages to have pricked with end cover hole contact friction, and then lead to the sealing washer to damage the oil leak and can not normally work.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough among the prior art, the utility model provides a cycloid motor's fixing and output device, its purpose is solved cycloid motor output shaft because the radial force of load is when too big, also can cause the axle sideslip, plays the thorn with end cover hole contact friction and damages, and then leads to the sealing washer to damage the oil leak and can not normally work the scheduling problem.

In order to achieve the above object, the utility model adopts the following technical scheme:

a fixing and output device of a cycloid motor comprises a fixed shell, wherein an end cover is arranged above the fixed shell and connected with the fixed shell through bolts, a stator and rotor set is arranged below the fixed shell, an oil supply and distribution set is arranged below the stator and rotor set, and the fixed shell is connected with the stator and rotor set and the oil supply and distribution set through bolts;

the fixed shell is cast integrally, a bearing cavity is formed in the fixed shell, an output main shaft is arranged in the bearing cavity, a square flange is arranged at the top of the fixed shell, threaded holes I are formed in four corners of the square flange, one end, away from the square flange, of the fixed shell is a square plane, threaded holes II are formed in four corners of the square plane, a round hole is formed in the middle of the square plane and communicated with the bearing cavity, a first sealing groove is formed in the square plane, and a first sealing ring is arranged in the first sealing groove;

the end cover is a disc flange, a middle hole is formed in the middle of the end cover, a second sealing groove is formed in the middle hole, a second sealing ring is arranged in the second sealing groove, an end cover bearing cavity is formed in the top of the end cover, a roller bearing is installed in the end cover bearing cavity, a spigot is formed in the bottom of the end cover, a third sealing groove is formed in the outer side face of the spigot, a fourth sealing ring is arranged in the third sealing groove, and an end cover fixing hole corresponding to the first threaded hole is formed in the end cover;

the output main shaft is a multi-step shaft, a spline groove is formed in one end of the output main shaft, an internal spline is arranged in the spline groove, a first bearing retainer is arranged at one end, close to the spline groove, of the output main shaft, a screw thread is arranged at the bottom of the first bearing retainer, a bearing compression nut is connected to the screw thread in a threaded manner, two tapered roller bearings are arranged on the first bearing retainer in a sleeved manner, a bearing retainer ring is arranged between the tapered roller bearings, a second bearing retainer is arranged above the first bearing retainer, a third bearing retainer is arranged above the second bearing retainer, a shaft extension is arranged above the third bearing retainer, and a double-end spline shaft is arranged between the spline groove and a stator rotor set.

Further, the two tapered roller bearings are symmetrically arranged.

Furthermore, the bearing cavity, the excircle of the end cover, the spigot and the middle hole are concentric circles.

Furthermore, the roller bearing is sleeved on the third bearing stop.

The utility model has the advantages that:

the utility model discloses a fixed and output device of cycloid motor, square flange convenience set up the location at the equipment fixing position when the installation, and the motor can bear bigger torsion. Set up roller bearing in the end cover bearing cavity, the end cover excircle can be used as the tang through concentric processing and inserts motor installation locating hole, makes the installation of motor and equipment more firm to the end cover is in the mounting hole and roller bearing together for the axle stretches provides the front end and supports, makes the axle stretch more firm, can bear bigger yawing force, and sealing washer two sets up in the middle of tapered roller bearing and roller bearing, and not fragile oil leakage, the utility model discloses a fixed and output device of cycloid motor compact structure, intensity is high, makes the motor can bear bigger torque force and yawing force.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the second embodiment of the present invention;

fig. 3 is a schematic diagram of three cross-sectional structures of the embodiment of the present invention.

Reference symbol comparison table:

1. a fixed housing; 2. an end cap; 3. a stator-rotor set; 4. oil supply and oil distribution; 5. a bearing cavity; 6. an output spindle; 7. a first threaded hole; 8. a second threaded hole; 9. a circular hole; 10. sealing the first groove; 11. a first sealing ring; 12. a mesopore; 13. sealing the second groove; 14. a second sealing ring; 15. a roller bearing; 16. stopping the opening; 17. sealing the groove III; 18. a fourth sealing ring; 19. an end cap fixing hole; 20. a spline groove; 21. an internal spline; 22. a first bearing stage; 23. a tapered roller bearing; 24. a bearing retainer ring; 25. a second bearing gear; 26. a third bearing stage; 27. extending a shaft; 28. a double-headed spline shaft; 29. a bearing compression nut; 30. an end cap bearing cavity; 31. sealing the groove; 32. skeleton sealing washer.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.

Example one

As shown in fig. 1, a fixing and output device of a cycloid motor comprises a fixed housing 1, an end cover 2 is arranged above the fixed housing 1, the end cover 2 is connected and fastened with the fixed housing 1 through bolts, a stator and rotor set 3 is arranged below the fixed housing 1, an oil supply and distribution set 4 is arranged below the stator and rotor set 3, and the fixed housing 1 is connected and fastened with the stator and rotor set 3 and the oil supply and distribution set 4 through bolts.

Fixed shell 1 casts as an organic whole, fixed shell 1 inside is equipped with bearing cavity 5, be equipped with output main shaft 6 in bearing cavity 5, fixed shell 1 top sets up to a square flange, square flange conveniently sets up the location in the equipment fixing position when the installation, the motor can bear bigger torsion, square flange four corners is provided with screw hole one 7, the one end that fixed shell 1 kept away from square flange is the square plane, square plane four corners is equipped with screw hole two 8, be equipped with round hole 9 in the middle of the square plane, round hole 9 and bearing cavity 5 intercommunication, be equipped with sealed recess one 10 on the square plane, be equipped with sealing washer one 11 in sealed recess one 10, sealing washer one 11 prevents the oil leak between fixed shell 1 and the stator rotor group 3.

The end cover 2 is a disc flange, an outer circle of the end cover is precisely machined, a middle hole 12 is formed in the middle of the end cover 2, a second sealing groove 13 is formed in the middle hole 12, a second sealing ring 14 is arranged in the second sealing groove 13, the second sealing ring 14 prevents oil leakage between the bearing cavity 5 and the spigot 16, an end cover bearing cavity 30 is arranged at the top of the end cover 2, a roller bearing 15 is installed in the end cover bearing cavity 30, the spigot 16 is arranged at the bottom of the end cover 2, the bearing cavity 5, the outer circle of the end cover 2, the spigot 16 and the middle hole 12 are concentric circles, a third sealing groove 17 is formed in the outer side face of the spigot 16, a fourth sealing ring 18 is arranged in the third sealing groove 17, and an end cover fixing hole 19 corresponding to the first threaded hole 7 is formed in the end cover 2.

The roller bearing 15 is arranged in the end cover bearing cavity 30, the excircle of the end cover 2 can be used as a spigot to be inserted into a motor mounting positioning hole through concentric processing, so that the motor and equipment can be mounted more stably, the end cover 2 and the roller bearing 15 together provide front end support for the shaft extension 27 in the mounting hole, so that the shaft extension 27 is more stable and can bear larger lateral force, and the sealing ring II 14 is arranged between the tapered roller bearing 23 and the roller bearing 15, so that oil leakage is not easily damaged.

The output main shaft 6 is a multi-step shaft, one end of the output main shaft 6 is provided with a spline groove 20, an internal spline 21 is arranged in the spline groove 20, one end of the output main shaft 6, which is close to the spline groove 20, is provided with a first bearing stop 22, the bottom of the first bearing stop 22 is provided with a screw thread, the screw thread is connected with a bearing gland nut 29 in a threaded manner, the first bearing stop 22 is provided with two tapered roller bearings 23 in a mounting and sleeving manner, the two tapered roller bearings 23 are symmetrically arranged, a bearing retainer ring 24 is arranged between the two tapered roller bearings 23, a second bearing stop 25 is arranged above the first bearing stop 22, a third bearing stop 26 is arranged above the second bearing stop 25, a roller bearing 15 is arranged on the third bearing stop 26 in a sleeving manner, a shaft extension 27 is arranged above the third bearing stop 26, the shaft extension 27 can be processed into various output modes such as a rectangular spline, a trapezoidal spline, an involute spline and the like, a double-head spline 28 is arranged between the spline groove 20 and the stator rotor group 3, the internal spline 21 is communicated with the internal spline of the stator rotor group 3 through the double-head spline 28 to transmit torque.

The utility model discloses a fixed and output device of cycloid motor compact structure, intensity is high, makes the motor can bear bigger torque force and yawing force.

Example two

As shown in FIG. 2, according to the first embodiment, the side of the spigot 16 is processed with a smooth surface, the opening position of the bearing cavity 5 is processed with a second sealing groove 13, and a second sealing ring 14 is mounted to have the same sealing function on the spigot 16.

EXAMPLE III

As shown in fig. 3, according to the first and second embodiments, a sealing groove 31 is formed on the inner side surface of the central hole 12, and a skeleton seal 32 is installed, so that the same sealing function can be provided to the output spindle 6.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A fixing and output device of a cycloid motor is characterized by comprising a fixing shell (1), wherein an end cover (2) is arranged above the fixing shell (1), the end cover (2) is connected with the fixing shell (1) through a bolt, a stator and rotor set (3) is arranged below the fixing shell (1), an oil supply and distribution set (4) is arranged below the stator and rotor set (3), and the fixing shell (1) is connected with the stator and rotor set (3) and the oil supply and distribution set (4) through bolts;

the fixing shell (1) is cast as a whole, a bearing cavity (5) is arranged inside the fixing shell (1), an output main shaft (6) is arranged in the bearing cavity (5), a square flange is arranged at the top of the fixing shell (1), threaded holes I (7) are formed in four corners of the square flange, one end, away from the square flange, of the fixing shell (1) is a square plane, threaded holes II (8) are formed in four corners of the square plane, a round hole (9) is formed in the middle of the square plane, the round hole (9) is communicated with the bearing cavity (5), a sealing groove I (10) is formed in the square plane, and a sealing ring I (11) is arranged in the sealing groove I (10);

the end cover (2) is a disc flange, a middle hole (12) is formed in the middle of the end cover (2), a second sealing groove (13) is formed in the middle hole (12), a second sealing ring (14) is arranged in the second sealing groove (13), an end cover bearing cavity (30) is formed in the top of the end cover (2), a roller bearing (15) is installed in the end cover bearing cavity (30), a spigot (16) is arranged at the bottom of the end cover (2), a third sealing groove (17) is formed in the outer side surface of the spigot (16), a fourth sealing ring (18) is arranged in the third sealing groove (17), and an end cover fixing hole (19) corresponding to the first threaded hole (7) is formed in the end cover (2);

output main shaft (6) are many steps class axle, spline groove (20) have been seted up to output main shaft (6) one end, be equipped with internal spline (21) in spline groove (20), the one end that output main shaft (6) are close to spline groove (20) is equipped with first bearing shelves (22), first bearing shelves (22) bottom is equipped with the screw thread, threaded connection has bearing gland nut (29) on the screw thread, two tapered roller bearing (23), two are established to installation cover on first bearing shelves (22) be equipped with bearing retainer ring (24) between tapered roller bearing (23), first bearing shelves (22) top is equipped with second bearing shelves (25), second bearing shelves (25) top is equipped with third bearing shelves (26), third bearing shelves (26) top is equipped with axle extension (27), be equipped with double-end spline shaft (28) between spline groove (20) and stator rotor group (3).

2. A fixing and output device of a gerotor motor in accordance with claim 1, characterized in that: the two tapered roller bearings (23) are symmetrically arranged.

3. A fixing and output device of a gerotor motor in accordance with claim 1, characterized in that: the bearing cavity (5), the excircle of the end cover (2), the spigot (16) and the middle hole (12) are concentric circles.

4. A fixing and output device of a gerotor motor in accordance with claim 1, characterized in that: the roller bearing (15) is sleeved on the third bearing stop (26).

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