CN217002132U

CN217002132U - Axial flow distribution cycloid hydraulic motor with oil leakage prevention mechanism

Info

Publication number: CN217002132U
Application number: CN202121934068.9U
Authority: CN
Inventors: 张新春
Original assignee: Jining Heqi Hydraulic Machinery Co ltd
Current assignee: Jining Heqi Hydraulic Machinery Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-07-19
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a shaft flow distribution cycloid hydraulic motor with an oil leakage prevention mechanism, which comprises a shell, wherein one side of the shell is in threaded connection with a side cover, the bottom surface of the shell is clamped with a bottom shell, one side inside the shell is fixedly provided with a cycloid pinwheel pair, one side of the cycloid pinwheel pair is provided with a separation disc, an output shaft is rotatably arranged inside the shell and is in transmission connection with a rotor of the cycloid pinwheel pair through a universal driving shaft, one end of the output shaft penetrates through and extends to the outside of the shell, an oil receiving groove is arranged in the bottom shell and is arranged below the output shaft, a filter plate is clamped in the oil receiving groove, an oil scraping plate is arranged at the position, above the output shaft, of the top inside the shell and is matched with the output shaft, the oil scraping plate is provided with an oil receiving groove mechanism and can collect oil leakage generated in the use process of the cycloid hydraulic motor, so that engine oil is not easy to form accumulation in the shell, the internal coils of the motor are protected from contamination.

Description

Axial flow distribution cycloid hydraulic motor with oil leakage prevention mechanism

Technical Field

The utility model relates to the technical field of hydraulic motors, in particular to an axial flow distribution cycloid hydraulic motor with an oil leakage prevention mechanism.

Background

The inner gear ring is fixedly connected with the shell, oil entering from the oil port pushes the rotor to revolve around a central point, the rotor rotating slowly is driven and output through the spline shaft and is called as a cycloid hydraulic motor, after the first cycloid motor is appeared, after decades of evolution, another concept motor is also formed, the motor is provided with a roller in a built-in gear ring, the motor with the roller can provide higher starting and running torque, the roller reduces friction, therefore, the efficiency is improved, an output shaft can also generate stable output even under very low rotating speed, the motor can be quickly reversed by changing the direction of input and output flow, and equivalent torque is generated in two directions, and various series of motors have various displacement selections so as to meet the requirements of various speeds and torques;

the part of motor output shaft usually need set up slide bearing, need lubricating oil at the part of slide bearing and output shaft contact to lubricate, current cycloid hydraulic motor does not often set up the oil groove mechanism that connects that matches, and hydraulic motor often can produce the oil leak problem in the use, produces harm to the operation of bearing, and the oil leak problem also can lead to the motor inner coil to receive the pollution, can influence the insulating life-span of coil for a long time, reduces cycloid hydraulic motor's work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an axial flow distribution cycloid hydraulic motor with an oil leakage prevention mechanism, which is provided with an oil receiving groove mechanism and can collect oil leakage generated in the using process of the cycloid hydraulic motor, so that engine oil is not easy to accumulate in a shell, an inner coil of the motor is protected from being polluted, the working efficiency is improved, the service life of the cycloid hydraulic motor is prolonged, and the problems in the background technology are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shaft distribution cycloid hydraulic motor with leak protection oil mechanism, includes the casing, casing one side threaded connection has the side cap, casing bottom surface joint has the drain pan, the inside one side fixed mounting of casing has cycloid pinwheel pair, cycloid pinwheel pair one side is provided with the spacer disc, the casing internal rotation installs the output shaft, the output shaft passes through the universal driving shaft and is connected with cycloid pinwheel pair's rotor drive, output shaft one end runs through and extends to the casing outside, be provided with in the drain pan and connect the oil groove, connect the oil groove to set up in the below of output shaft, connect the interior joint of oil groove to have the filter plate, the top is located output shaft top position in the casing and is provided with the frizing board, frizing board and output shaft matching set up.

Preferably, four corners evenly distributed equidistance is provided with the screw hole on the side cap, screw hole female connection has the screw rod, the locating hole that matches the setting with the screw rod is all seted up to casing and drain pan one side, screw rod one end runs through screw hole threaded connection in the locating hole.

Preferably, the bottom surface of the shell is fixedly connected with a connecting plate at the joint of the top surface of the bottom shell, the connecting plate is connected through screw threads, and a locking part is arranged at the bottom end of the screw.

Preferably, a first clamping groove is formed in the top surface of the bottom shell, a first clamping block is fixedly mounted at the joint of the bottom surface of the shell and the bottom shell, the first clamping block is in clearance fit with the first clamping groove, and a sealing gasket is arranged at the joint of the first clamping block and the first clamping groove.

Preferably, a second clamping groove is formed in the oil receiving groove, second clamping blocks are fixedly mounted on two sides of the bottom surface of the filter plate, and the second clamping blocks are in clearance fit with the second clamping groove.

Preferably, the connecting rods are fixedly mounted on two sides of the inner top of the shell, the fixing plates are fixedly mounted on two sides of the top surface of the oil scraping plate, and springs are fixedly connected between the connecting rods and the fixing plates.

Preferably, the oil scraping plate is an arc oil scraping plate, and oblique angles matched with the output shaft are arranged on two sides of the bottom surface of the oil scraping plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the bottom shell is clamped on the bottom surface of the shell, the oil receiving groove is arranged in the bottom shell and is arranged at the position below the output shaft, leaked engine oil can be collected into the oil receiving groove when the hydraulic motor works, after oil stains in the oil receiving groove are collected for a period of time, the screw is removed, so that the bottom shell is separated from the shell, a filter plate in the oil receiving groove and the interior of the oil receiving groove are cleaned, the operation is convenient, and the working efficiency is high;

2. the top is located output shaft top position in the casing and is provided with the frizing, top both sides fixed mounting has the connecting rod in the casing, frizing top surface both sides fixed mounting has the fixed plate, fixedly connected with spring between connecting rod and the fixed plate, the frizing sets up to the arc frizing, frizing bottom surface both sides are provided with the oblique angle that matches with the output shaft, can influence the result of use when accumulational greasy dirt is thick on the output shaft, through the frizing, can strike off the greasy dirt, the setting up of spring makes the frizing can form laminating work with the output shaft.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the front view structure of the present invention;

FIG. 3 is a front view of the oil scraping plate of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a side cover; 3. a bottom case; 4. a cycloid pinwheel pair; 5. an output shaft; 6. an oil receiving groove; 7. filtering the plate; 8. a scraper plate; 9. a threaded hole; 10. a screw; 11. positioning holes; 12. a connecting plate; 13. A screw; 14. a first card slot; 15. a first clamping block; 16. a second card slot; 17. a second fixture block; 18. a connecting rod; 19. a fixing plate; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an axial flow distribution cycloid hydraulic motor with an oil leakage prevention mechanism comprises a shell 1, wherein one side of the shell 1 is in threaded connection with a side cover 2, threaded holes 9 are uniformly distributed at four corners of the side cover 2 at equal intervals, the threaded holes 9 are in threaded connection with screws 10, positioning holes 11 matched with the screws 10 are formed in one sides of the shell 1 and a bottom shell 3, and one end of each screw 10 penetrates through the threaded hole 9 and is in threaded connection with the corresponding positioning hole 11;

the bottom surface of the shell 1 is clamped with a bottom shell 3, a connecting plate 12 is fixedly arranged at the joint of the bottom surface of the shell 1 and the top surface of the bottom shell 3, the connecting plate 12 is in threaded connection through a screw 13, a locking member is arranged at the bottom end of the screw 13, a first clamping groove 14 is formed in the top surface of the bottom shell 3, a first clamping block 15 is fixedly arranged at the joint of the bottom surface of the shell 1 and the bottom shell 3, the first clamping block 15 is in clearance fit with the first clamping groove 14, and a sealing gasket is arranged at the joint of the first clamping block 15 and the first clamping groove 14, so that the sealing property is improved;

a cycloidal pin gear pair 4 is fixedly installed on one side inside a shell 1, a partition disc is arranged on one side of the cycloidal pin gear pair 4, an output shaft 5 is rotatably installed inside the shell 1, the output shaft 5 is in transmission connection with a rotor of the cycloidal pin gear pair 4 through a linkage shaft, one end of the output shaft 5 penetrates through and extends to the outside of the shell 1, an oil receiving groove 6 is formed in a bottom shell 3, the oil receiving groove 6 is arranged below the output shaft 5, leaked engine oil can be collected into the oil receiving groove 6 when a hydraulic motor works, after oil dirt in the oil receiving groove 6 is collected for a period of time, a screw 13 is removed to separate the bottom shell 3 from the shell 1, a filter plate 7 in the oil receiving groove 6 is cleaned with the inside of the oil receiving groove 6, the operation is convenient, and the working efficiency is high;

a filter plate 7 is clamped in the oil receiving groove 6, a second clamping groove 16 is formed in the oil receiving groove 6, second clamping blocks 17 are fixedly arranged on two sides of the bottom surface of the filter plate 7, the second clamping blocks 17 are in clearance fit with the second clamping grooves 16, the filter plate 7 is convenient to mount and dismount, an oil scraping plate 8 is arranged at the position, above the output shaft 5, of the top in the shell 1, the oil scraping plate 8 is matched with the output shaft 5, connecting rods 18 are fixedly arranged on two sides of the top in the shell 1, fixing plates 19 are fixedly arranged on two sides of the top surface of the oil scraping plate 8, a spring 20 is fixedly connected between the connecting rods 18 and the fixing plates 19, the oil scraping plate 8 is an arc oil scraping plate, oblique angles matched with the output shaft 5 are arranged on two sides of the bottom surface of the oil scraping plate 8, can influence the result of use when accumulational greasy dirt is thick on output shaft 5, through frizing 8, can strike off the greasy dirt, spring 20's setting makes frizing 8 can form laminating work with output shaft 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flow cycloid hydraulic motor is joined in marriage to axle with leak protection oil mechanism, includes casing (1), its characterized in that: one side of the shell (1) is in threaded connection with a side cover (2), the bottom surface of the shell (1) is clamped with a bottom shell (3), a cycloidal needle wheel pair (4) is fixedly arranged on one side in the shell (1), a separation disc is arranged on one side of the cycloidal needle wheel pair (4), an output shaft (5) is rotatably arranged in the shell (1), the output shaft (5) is in transmission connection with a rotor of the cycloid pinwheel pair (4) through a universal driving shaft, one end of the output shaft (5) penetrates through and extends to the outside of the shell (1), an oil receiving groove (6) is arranged in the bottom shell (3), the oil receiving groove (6) is arranged below the output shaft (5), a filter plate (7) is clamped in the oil receiving groove (6), the oil scraper is characterized in that an oil scraper plate (8) is arranged at the position, above the output shaft (5), of the top of the shell (1), and the oil scraper plate (8) is matched with the output shaft (5).

2. The axial flow cycloid hydraulic motor having an oil leakage preventing mechanism according to claim 1, characterized in that: four corners evenly distributed equidistance is provided with screw hole (9) on side cap (2), screw hole (9) female connection has screw rod (10), casing (1) and drain pan (3) one side all set up locating hole (11) that set up with screw rod (10) matching, screw rod (10) one end runs through screw hole (9) threaded connection in locating hole (11).

3. The axial flow cycloid hydraulic motor having an oil leakage preventing mechanism according to claim 1, characterized in that: the improved structure is characterized in that a connecting plate (12) is fixedly mounted at the joint of the bottom surface of the shell (1) and the top surface of the bottom shell (3), the connecting plate (12) is in threaded connection with a screw (13), and a locking piece is arranged at the bottom end of the screw (13).

4. The axial flow cycloid hydraulic motor having an oil leakage preventing mechanism according to claim 1, characterized in that: first draw-in groove (14) have been seted up to drain pan (3) top surface, casing (1) bottom surface and drain pan (3) junction fixed mounting has first fixture block (15), first fixture block (15) and first draw-in groove (14) clearance fit, first fixture block (15) and first draw-in groove (14) junction are provided with sealed the pad.

5. The axial flow cycloid hydraulic motor having an oil leakage preventing mechanism according to claim 1, characterized in that: connect oil groove (6) inside to have seted up second draw-in groove (16), filter plate (7) bottom surface both sides fixed mounting has second fixture block (17), second fixture block (17) and second draw-in groove (16) clearance fit.

6. The axial flow cycloid hydraulic motor having an oil leakage preventing mechanism according to claim 1, characterized in that: the improved oil scraper is characterized in that connecting rods (18) are fixedly mounted on two sides of the inner top of the shell (1), fixing plates (19) are fixedly mounted on two sides of the top surface of the oil scraper plate (8), and springs (20) are fixedly connected between the connecting rods (18) and the fixing plates (19).

7. The axial flow cycloid hydraulic motor having an oil leakage preventing mechanism according to claim 1, characterized in that: the oil scraping plate (8) is an arc-shaped oil scraping plate, and oblique angles matched with the output shaft (5) are arranged on two sides of the bottom surface of the oil scraping plate (8).