CN218761268U

CN218761268U - Walking speed reducer adopting disc flow distribution hydraulic motor

Info

Publication number: CN218761268U
Application number: CN202223555628.7U
Authority: CN
Inventors: 黄素平; 姜剑平; 阮金勇
Original assignee: Ningbo Zheli Hydraulic Technology Co ltd
Current assignee: Ningbo Zheli Hydraulic Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-03-28
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an adopt dish to join in marriage walking speed reducer of class hydraulic motor, including drive structure, planet speed reduction structure and braking structure, the drive structure is including having the dish hydraulic motor who joins in marriage class, and planet speed reduction structure includes the speed reduction casing, and the inside transmission ring gear that has laid of speed reduction casing, and the inside cooperation of transmission ring gear has a plurality of planetary gear, and a plurality of planetary gear install on the braking cylinder body jointly, and the braking cylinder body passes through deep groove ball bearing and installs in the inside of speed reduction casing, and the braking structrual installation is inside the braking cylinder body, and hydraulic motor installs on the motor seat. When the brake is filled with oil, the hydraulic oil pushes the brake piston to open the brake, and at the moment, the motor is filled with oil to operate to drive the speed reducer to operate. When the oil of the brake is cut off, the brake piston moves the brake pad linearly along the brake cylinder, and the brake pad compresses the brake stator, so that the motor connecting sleeve is locked in time, the problem of low reliability caused by the retained inertia in the past is solved, and meanwhile, a plurality of groups of springs are arranged at the back of the brake piston and reset locking action is generated by the springs.

Description

Walking speed reducer adopting disc flow distribution hydraulic motor

Technical Field

The utility model relates to a technical field especially relates to an adopt a set to join in marriage a class hydraulic motor's walking speed reducer.

Background

With the continuous development of hydraulic drive in the fields of engineering machinery, mining machinery, agricultural machinery and the like, a two-stage differentiation situation is gradually formed. The application fields of small-sized equipment and large-sized equipment are more and more extensive by taking the medium-sized equipment as a fulcrum. Traditional hydraulic pressure walking speed reducer generally adopts hydraulic motor and planetary reducer integrated configuration, install through hydraulic motor and planetary reducer adaptation, it rotates to drive planetary reducer through hydraulic motor, casing through planetary reducer rotates, because the last gear of generally installing of planetary reducer casing is used for driving the track and carries out the transmission, but this hydraulic motor speed reducer does not be equipped with the brake structure, this just has a great deal of inconvenience when using, for example, when hydraulic motor stop work, there is inertia planetary gear and speed reducer casing body can exist, can't guarantee to stop immediately when hydraulic motor stop work, because inertial existence will certainly lead to the fact the structural reliability to reduce, the security reduces to have certain safe risk after using for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art not enough, so provide an adopt a set to join in marriage a class hydraulic motor's walking speed reducer, carry out the inertia that traditional hydraulic motor exists at the stop work of eliminatnig through braking structure suitability brake braking processing.

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

the utility model provides an adopt dish to join in marriage walking speed reducer of class hydraulic motor, includes drive structure, planet speed reduction structure and braking structure, the drive structure is including having the hydraulic motor that the dish joined in marriage class, and the planet speed reduction structure includes the speed reduction casing, and the inside transmission gear that has laid of speed reduction casing has a plurality of planetary gear, and a plurality of planetary gear install on the braking cylinder body jointly, and the braking cylinder body passes through deep groove ball bearing and installs in the inside of speed reduction casing, and the braking structrual installation is inside the braking cylinder body, and hydraulic motor installs on the motor base.

When the hydraulic motor is used, the hydraulic motor drives the motor connecting sleeve to rotate through the output shaft, the motor connecting sleeve rotates to drive the central gear to rotate, the central gear drives the planetary gear to rotate, and the planetary gear rotates to drive the transmission gear ring to rotate so as to rotate the speed reduction shell. When braking is carried out, the output end of the brake piston extends outwards to drive the brake pad to move linearly along the brake pad, and the brake pad is pressed tightly to form braking, so that the problems that the reliability is low and the safety is low after the speed reducer is used for a long time due to inertia in the prior art are effectively solved.

Make following improvement on the basis of above-mentioned embodiment, the spacing groove has been laid to the inside of braking cylinder body, and the braking stator is installed to the spacing inslot, and hydraulic motor's output shaft cartridge has the motor adapter sleeve, and the brake block has been laid to the outside of motor adapter sleeve, and the central gear who meshes with the planetary gear has been laid to the one end of keeping away from hydraulic motor, and motor adapter sleeve outside cover is equipped with the braking rotor, and braking structure includes the brake piston, and the braking cylinder body, the brake piston is installed in the inside of braking cylinder body and is installed through sealing washer and braking cylinder body seal, and the output and the braking rotor butt of brake piston.

On the basis of the embodiment, the brake piston is improved in the following manner that mounting holes are uniformly distributed in the axial direction, springs are sleeved in each mounting hole, and each spring abuts against the end face of the hydraulic motor and is uniformly distributed on the periphery of the output shaft.

On the basis of the embodiment, the improvement is made that a bearing pressing plate for pressing and mounting the deep groove ball bearing is arranged on the brake cylinder body.

On the basis of the above embodiment, an improvement is made in that an end cover is mounted at the end of the speed reduction housing, and a seal ring is arranged between the end cover and the speed reduction housing.

On the basis of the above embodiment, the following improvement is made, wherein the brake cylinder body is provided with a positioning ring, and the positioning ring is provided with a check ring for connecting and installing the speed reduction shell.

On the basis of the embodiment, the improvement is made that each planetary gear is arranged on the corresponding position of the brake cylinder body through a pin shaft and a roller baffle plate.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model discloses a brake piston will brake the brake block along brake block linear motion, will brake the stator through braking the brake block and compress tightly for the motor adapter sleeve is in time locked the processing, eliminates the inertia of reserving in the past and causes the problem that the reliability is low, still sets up the multiunit spring at the back of brake piston simultaneously, produces the locking effect that resets by the spring.

1. The product has compact structure, reduces the volume of the whole crawler chassis, thereby leading the whole device to be lighter and more flexible.

2. The speed reducer is driven by the disc flow distribution hydraulic motor, so that the mechanical and volumetric efficiency is high, and the energy-saving effect is achieved.

3. The speed reducer adopts a planetary structure, the gear improves the surface smoothness while ensuring the rigidity through processes of high-frequency quenching, gear grinding and the like, the torque conduction is stable, the pulsation is small, and the noise is low.

4. The main components comprise a driving motor, a braking device and a planetary structure conduction part, and the modular design is convenient for subsequent equipment maintenance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the inside of one end of the speed reduction housing of the present invention;

fig. 3 is a schematic structural view of the inside of the other end of the speed reduction housing of the present invention;

fig. 4 is a schematic structural view of the inside of the speed reduction housing of the present invention;

fig. 5 is a schematic view of the overall structure of the motor connecting sleeve of the present invention;

fig. 6 is a schematic view of the mounting structure of the brake cylinder of the present invention;

fig. 7 is a schematic view of the mounting structure inside the brake cylinder body of the present invention;

FIG. 8 is a schematic view of an angle of one end of the brake cylinder according to the present invention;

fig. 9 is a schematic view of the angle of the other end of the braking cylinder body of the present invention;

fig. 10 is a schematic view of the overall structure of the brake piston according to the present invention;

fig. 11 is an exploded view of the overall structure of the present invention.

In the figure: 1. a hydraulic motor; 2. a reduction casing; 3. a transmission gear ring; 4. a planetary gear; 5. a brake cylinder; 6. a deep groove ball bearing; 7. a limiting groove; 8. braking a stator; 9. a motor connecting sleeve; 10. a brake pad; 11. a sun gear; 12. a brake pad; 13. a brake piston; 14. a spring; 16. bearing pressing plates; 17. an end cap; 18. a retainer ring; 19. a positioning ring; 20. a seal ring; 21. a pin shaft; 22. a roller baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 10, a traveling speed reducer using a disc flow distribution hydraulic motor 1 includes a driving structure, a planetary speed reduction structure and a braking structure, wherein the driving structure includes the hydraulic motor 1 with a disc flow distribution, the planetary speed reduction structure includes a speed reduction housing 2, an end cover 17 is installed at an end of the speed reduction housing 2, and a sealing ring 20 is arranged between the end cover 17 and the speed reduction housing 2.

The inside transmission gear ring 3 that has laid of reduction housing 2, the inside cooperation of transmission gear ring 3 has a plurality of planetary gear 4, and a plurality of planetary gear 4 install on braking cylinder 5 jointly, and every planetary gear 4 all installs corresponding position department on braking cylinder 5 through round pin axle 21 and roller separation blade 22.

The braking cylinder body 5 is arranged inside the speed reducing shell 2 through two deep groove ball bearings 6, a positioning ring 19 is arranged on the braking cylinder body 5, and a retainer ring 18 used for connecting and installing the speed reducing shell 2 is distributed on the positioning ring 19. And a bearing pressing plate 16 for pressing the deep groove ball bearing 6 is arranged at one end of the brake cylinder body 5 far away from the hydraulic motor 1.

The braking structure is installed in the inside of braking cylinder body 5, hydraulic motor 1 is installed on the motor seat 51 of braking cylinder body 5, spacing groove 7 has been laid to the inside of braking cylinder body 5, install braking stator 8 in the spacing groove 7, the output shaft cartridge of hydraulic motor 1 has motor adapter sleeve 9, brake block 10 has been laid to the outside of motor adapter sleeve 9, the central gear 11 with the meshing of planetary gear 4 has been laid to the one end of keeping away from hydraulic motor 1, the outside cover of motor adapter sleeve 9 is equipped with brake rotor 12, the braking structure includes brake piston 13, brake piston 13 installs in the inside of braking cylinder body 5 and through sealing washer 20 and brake cylinder body 5 seal installation, the output of brake piston 13 and brake rotor 12 butt.

When the brake is used, the hydraulic motor 1 drives the motor connecting sleeve 9 to rotate through the output shaft, the motor connecting sleeve 9 rotates to drive the central gear 11 to rotate the planetary gear 4, the planetary gear 4 rotates to drive the transmission gear ring 3 to rotate, the speed reduction shell 2 rotates, when the brake is carried out, the output end of the brake piston 13 extends outwards to drive the brake pad 12 to move linearly along the brake pad 10, the brake stator 8 is pressed to form the brake, and the problems that the reliability is low due to inertia and the safety is low after the speed reducer is used for a long time are effectively solved.

Example 2:

as shown in fig. 11, the following modifications are made on the basis of the above embodiment: the brake piston 13 is provided with mounting holes uniformly distributed in the axial direction, each mounting hole is sleeved with a spring 14, and each spring 14 abuts against the end face of the hydraulic motor 1 and is uniformly distributed on the periphery of the output shaft. For the braking effect who avoids brake cylinder 13 and the life of braking structure, the flexible mode that compresses tightly is adopted to this embodiment, through brake cylinder 13 during operation, through brake cylinder 13's work for the butt to the brake rotor is flexible installation, eliminates the jump piece phenomenon that direct rigid contact caused and takes place, produces the locking effect that resets by the spring, improves the security and the volumetric efficiency of structure.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.

Claims

1. The utility model provides an adopt a set to join in marriage walking speed reducer of class hydraulic motor, a serial communication port, including drive structure, planet speed reduction structure and braking structure, drive structure is including having a set hydraulic motor (1) of joining in marriage class, planet speed reduction structure includes speed reduction casing (2), transmission ring gear (3) have been laid to speed reduction casing (2) inside, transmission ring gear (3) inside cooperation has a plurality of planetary gear (4), a plurality of planetary gear (4) are installed on braking cylinder body (5) jointly, install in the inside of speed reduction casing (2) braking cylinder body (5) through deep groove ball bearing (6), braking structure installs in the inside of braking cylinder body (5), hydraulic motor (1) is installed on motor seat (51) of braking cylinder body (5).

2. The walking speed reducer adopting the disc flow distribution hydraulic motor according to claim 1, characterized in that a limiting groove (7) is arranged inside the brake cylinder body (5), a brake stator (8) is installed inside the limiting groove (7), a motor connecting sleeve (9) is inserted into an output shaft of the hydraulic motor (1), a brake pad (10) is arranged outside the motor connecting sleeve (9), a central gear (11) meshed with the planetary gear (4) is arranged at one end far away from the hydraulic motor (1), a brake rotor (12) is sleeved outside the motor connecting sleeve (9), the brake structure comprises a brake piston (13), the brake piston (13) is installed inside the brake cylinder body (5) and is hermetically installed with the brake cylinder body (5) through a seal ring (20), and an output end of the brake piston (13) is abutted against the brake rotor (12).

3. The walking speed reducer adopting the disc flow distribution hydraulic motor as claimed in claim 2, wherein the brake piston (13) is axially and uniformly provided with mounting holes, each mounting hole is internally provided with a spring (14), and each spring (14) abuts against the end face of the hydraulic motor (1) and is uniformly distributed on the periphery of the output shaft.

4. The walking speed reducer adopting the disc-flow hydraulic motor as claimed in claim 1, wherein a bearing pressing plate (16) for press-fitting the deep groove ball bearing (6) is mounted on the brake cylinder body (5).

5. The walking speed reducer adopting the disc-type flow distribution hydraulic motor according to claim 1, characterized in that an end cover (17) is installed at the end of the speed reduction housing (2), and a sealing ring (20) is arranged between the end cover (17) and the speed reduction housing (2).

6. The walking speed reducer adopting a disc flow distribution hydraulic motor according to claim 1, characterized in that a positioning ring (19) is arranged on the brake cylinder body (5), and a check ring (18) for connecting and installing the speed reducer casing (2) is arranged on the positioning ring (19).

7. A travel reducer using a disc-split hydraulic motor according to claim 1, wherein each planetary gear (4) is mounted at a corresponding position on the brake cylinder (5) through a pin shaft (21) and a roller blade (22).