CN218454856U

CN218454856U - Variable load hydraulic motor

Info

Publication number: CN218454856U
Application number: CN202122526031.9U
Authority: CN
Inventors: 程旭; 王朝明
Original assignee: Jining Jinjia Hydraulic Co ltd
Current assignee: Jining Jinjia Hydraulic Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2023-02-07
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a changeable load hydraulic motor relates to hydraulic motor technical field, including the procapsid, rotor subassembly is decided to one side fixedly connected with of procapsid, decide one side fixed connection valve disc of rotor subassembly, the inboard swing joint of procapsid has the output shaft, the equal fixedly connected with circular cone rolling bearing in both sides of bearing spacer sleeve, circular cone rolling bearing's one side fixedly connected with bearing retainer ring, one side fixedly connected with axle head sealing washer of bearing retainer ring, the inboard of procapsid is equipped with long universal driving shaft. The utility model discloses, through the cooperation setting between stator rotor subassembly, long universal driving shaft, little universal driving shaft, procapsid, valve and the output shaft, solved the not good problem of efficiency between the universal driving shaft, improved the work efficiency of device, improved the practicality of device, the meshing of utilizing the slope is connected and has been improved the effectual area of contact of flank of tooth, has reduced the friction, has improved the life-span of universal driving shaft.

Description

Variable load hydraulic motor

Technical Field

The utility model relates to a hydraulic motor technical field, more specifically relate to a changeable load hydraulic motor.

Background

The hydraulic motor is an actuating element of a hydraulic system, which converts the hydraulic pressure energy provided by a hydraulic pump into the mechanical energy of an output shaft of the hydraulic motor, the liquid is a medium for transmitting force and movement, the hydraulic motor, also called as an oil motor, is mainly applied to injection molding machinery, ships, lifting machines, engineering machinery, construction machinery, coal mine machinery, mining machinery, metallurgical machinery, ship machinery, petrochemical engineering machinery, port machinery and the like, but because the hydraulic motor and the hydraulic pump have different performance requirements, a plurality of differences still exist between the hydraulic motor and the hydraulic pump of the same type, firstly, the hydraulic motor can be positively and reversely rotated, so that the internal structure is required to be symmetrical, the rotating speed range of the hydraulic motor needs to be large enough, and particularly has certain requirements on the lowest stable rotating speed of the hydraulic motor, therefore, the hydraulic motor usually adopts a rolling bearing or a static sliding bearing, because the hydraulic motor works under an input pressure oil condition, the hydraulic motor does not need to have the self-priming capability, but needs certain initial sealing property to provide necessary starting torque, and the existing hydraulic motor is inconvenient for reducing vibration during operation and is convenient for disassembly and installation.

In chinese utility model patent application no: disclosed in CN201720611889.6 is a hydraulic motor, including the casing the internally mounted of casing has the bearing the fixed output shaft that is provided with in inner circle position department of bearing, the right-hand member of casing is provided with the protecgulum, the protecgulum with the cooperation has the screw between the casing, the output shaft passes the protecgulum the inside of casing, being located the left side position department of bearing is provided with the stopper the inside of casing, being located the left side position department of stopper is provided with the piston disc, the piston disc with form sealedly between the inner wall of casing the left end of casing is sealed to be provided with a sealed dish, sealed dish with the cooperation has a dish spring between the piston disc. The hydraulic motor only directly works through the motor, so that the motor is inconvenient to reduce vibration, and the motor is inconvenient to mount and dismount.

Therefore, it is necessary to provide a variable load hydraulic motor to solve the above problems.

Disclosure of Invention

Technical problem to be solved

The utility model aims to provide an: in order to solve the problem of the installation of the motor of not being convenient for to make the motor reduce vibrations, not being convenient for and dismantle, the utility model provides a changeable load hydraulic motor.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a changeable load hydraulic motor, includes the procapsid, one side fixedly connected with of procapsid decides the rotor subassembly, decide one side fixed connection valve disc of rotor subassembly, the inboard swing joint of procapsid has the output shaft, the equal fixedly connected with axle sealing washer in both sides of output shaft, the inboard fixedly connected with bearing spacer of procapsid, the equal fixedly connected with conical rolling bearing in both sides of bearing spacer, one side fixedly connected with bearing retaining ring of conical rolling bearing, one side fixedly connected with axle head sealing washer of bearing retaining ring, the inboard of procapsid is equipped with long universal driving shaft, one side meshing of long universal driving shaft is connected with little universal driving shaft, one side and valve disc swing joint of little universal driving shaft, one side fixedly connected with valve disc sealing washer of valve disc, the one end outside of little universal driving shaft is equipped with the valve, the equal fixedly connected with balance disc in one side both ends of valve, the equal fixedly connected with outer sealing washer in both sides of balance disc.

Further, one side fixedly connected with preceding shell sealing washer of procapsid, the front side fixedly connected with protecgulum of procapsid.

Further, one side swing joint of protecgulum has the screw, the inboard fixedly connected with skeleton oil blanket of protecgulum, the equal fixedly connected with protecgulum sealing washer in both sides of protecgulum.

Furthermore, a rear shell is arranged on the outer side of the valve, a spring is movably connected to the top end of one side of the rear shell, a pin is movably connected to the bottom end of one side of the rear shell, and the pin and the spring are fixedly connected with the balance disc.

Furthermore, a bolt is fixedly connected to one side of the rear shell, the length of the small linkage shaft is smaller than that of the long linkage shaft, and one end, close to the long linkage shaft, of the small linkage shaft is inclined.

Furthermore, a protection frame is arranged on the outer side of the rear shell, an inner sealing ring is fixedly connected to one side of the rear shell, the protection frame is of a hollow structure, and one end of the protection frame is in an open shape.

Furthermore, the both sides of fender bracket all fixedly connected with buffer spring, buffer spring's one end fixedly connected with buffer block.

Furthermore, one end of the protection frame is fixedly connected with a damping spring, one side of the damping spring is fixedly connected with a limiting frame, and the limiting frame is located on the outer side of the rear shell.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses, through the cooperation setting between stator rotor subassembly, long universal driving shaft, little universal driving shaft, procapsid, valve and the output shaft, solved the not good problem of efficiency between the universal driving shaft, improved the work efficiency of device, improved the practicality of device, the meshing of utilizing the slope is connected and has been improved the effectual area of contact of flank of tooth, has reduced the friction, has improved the life-span of universal driving shaft.

2. The utility model discloses, through the cooperation setting between procapsid, screw, back casing, bolt, protecgulum, spring and the pin, solved the problem of not convenient to detach and installation, improved the practicality of device, avoided the motor to dismantle the difficulty and make the maintenance inconvenient, improved the efficiency of dismantling the maintenance, improved the practicality of device.

3. The utility model discloses, through the cooperation setting between fender bracket, spacing, buffer spring, damping spring, back casing and the procapsid, improved the practicality of device, improved the life-span of device, improved the cushioning nature of device, avoided the motor during operation to produce vibrations and make inside damage that causes, improved the stability of device.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic front view of the protection frame structure of the present invention.

Reference numerals: 1. an output shaft; 2. a shaft seal ring; 3. a front cover; 4. a screw; 5. a front cover sealing ring; 6. a conical rolling bearing; 7. a bearing spacer sleeve; 8. a front housing; 9. a bearing retainer ring; 10. a shaft end sealing ring; 11. a front shell seal ring; 12. a stator-rotor assembly; 13. a long linkage shaft; 14. a small linkage shaft; 15. a valve disc; 16. a valve disc sealing ring; 17. a valve; 18. an outer sealing ring; 19. a balance disc; 20. an inner seal ring; 21. a spring; 22. a rear housing; 23. a bolt; 24. a pin; 25. framework oil seal; 26. a buffer spring; 27. a protection frame; 28. a buffer block; 29. a limiting frame; 30. a shock absorbing spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 2, a variable load hydraulic motor includes a front housing 8, a stator-rotor assembly 12 is fixedly connected to one side of the front housing 8, a valve disc 15 is fixedly connected to one side of the stator-rotor assembly 12, an output shaft 1 is movably connected to the inner side of the front housing 8, a shaft seal ring 2 is fixedly connected to both sides of the output shaft 1, a bearing spacer 7 is fixedly connected to the inner side of the front housing 8, a conical rolling bearing 6 is fixedly connected to both sides of the bearing spacer 7, a bearing retainer ring 9 is fixedly connected to one side of the conical rolling bearing 6, a shaft end seal ring 10 is fixedly connected to one side of the bearing retainer ring 9, a long linkage shaft 13 is arranged on the inner side of the front housing 8, a small linkage shaft 14 is engaged with one side of the long linkage shaft 13, one side of the small linkage shaft 14 is movably connected to the valve disc 15, a valve disc seal ring 16 is fixedly connected to one side of the valve disc 15, a valve 17 is arranged on the outer side of one end of the small linkage shaft 14, a balance disc 19 is fixedly connected to both ends of one side of the valve 17, and an outer seal ring 18 is fixedly connected to both sides of the balance disc 19.

In this embodiment, through deciding long universal driving shaft 13 of rotor subassembly 12 drive and rotate with little universal driving shaft 14, the one end of long universal driving shaft 13 and little universal driving shaft 14 meshing makes the meshing area increase for the slope, transmission efficiency has been improved, the rotation that utilizes the universal driving shaft has driven output shaft 1 and has rotated, it is more stable to make output shaft 1 rotate, the problem that efficiency is not good between the universal driving shaft has been solved, the work efficiency of device has been improved, the practicality of device has been improved, the meshing connection that utilizes the slope has improved the effectual area of contact of flank of tooth, the friction that has reduced has improved the life-span of universal driving shaft.

Example 2

Referring to fig. 2 and 3, the present embodiment is further optimized based on embodiment 1, specifically, a front shell sealing ring 11 is fixedly connected to one side of the front shell 8, and a front cover 3 is fixedly connected to the front side of the front shell 8.

Specifically, one side of the front cover 3 is movably connected with a screw 4, the inner side of the front cover 3 is fixedly connected with a framework oil seal 25, and two sides of the front cover 3 are fixedly connected with front cover sealing rings 5.

Specifically, a rear housing 22 is disposed outside the valve 17, a spring 21 is movably connected to a top end of one side of the rear housing 22, a pin 24 is movably connected to a bottom end of one side of the rear housing 22, and the pin 24 and the spring 21 are both fixedly connected to the balance disk 19.

Specifically, a bolt 23 is fixedly connected to one side of the rear shell 22, the length of the small linkage shaft 14 is smaller than that of the long linkage shaft 13, and one end, close to the long linkage shaft 13, of the small linkage shaft 14 is inclined.

In this embodiment, can make protecgulum 3 and procapsid 8 fixed connection through screw 4, insert one side of back casing 22 through spring 21 and pin 24 and make back casing 22 carry out spacing fixed, then make back casing 22 and valve disc 15 fixed connection through bolt 23, solved the problem of the difficult dismantlement of being convenient for and installation, improved the practicality of device, avoided the motor to dismantle the difficulty and make the maintenance inconvenient, improved the efficiency of dismantling the maintenance, improved the practicality of device.

Example 3

Referring to fig. 1 and 4, the present embodiment is optimized based on the

embodiment

1 or 2, specifically, a protection frame 27 is disposed on an outer side of the rear housing 22, an inner seal ring 20 is fixedly connected to one side of the rear housing 22, the protection frame 27 is a hollow structure, and one end of the protection frame 27 is open.

Specifically, both sides of the protection frame 27 are fixedly connected with buffer springs 26, and one end of each buffer spring 26 is fixedly connected with a buffer block 28.

Specifically, one end of the protection frame 27 is fixedly connected with a damping spring 30, one side of the damping spring 30 is fixedly connected with a limiting frame 29, and the limiting frame 29 is located on the outer side of the rear shell 22.

In this embodiment, through casing 22 behind spacing 29 parcel, when the production is rocked, reduce horizontal impact through damping spring 30 and spacing 29, top and bottom that make the device through buffer block 28 and buffer spring 26 carry out spacing buffering, make the vertical vibrations of device obtain the buffering, be one side bayonet connection simultaneously, easy to assemble and dismantlement, the practicality of device has been improved, the life-span of device has been improved, the cushioning nature of device has been improved, it shakes to have avoided the motor during operation to make inside cause the damage, the stability of device has been improved.

In summary, the following steps: the utility model discloses, utilize the meshing of slope to connect and improved the effectual area of contact of flank of tooth, improved transmission efficiency, avoided the motor during operation to produce vibrations and make inside cause the damage, improved the buffer capacity of device, avoided the motor to dismantle the difficulty and make the maintenance inconvenient, improved the efficiency that the installation was dismantled to the staff.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. A multiple-variable-load hydraulic motor comprising a front housing (8), characterized in that: rotor subassembly (12) are decided to one side fixedly connected with of procapsid (8), one side fixed connection valve disc (15) of deciding rotor subassembly (12), the inboard swing joint of procapsid (8) has output shaft (1), the equal fixedly connected with axle sealing washer (2) in both sides of output shaft (1), the inboard fixedly connected with bearing spacer (7) of procapsid (8), the equal fixedly connected with conical rolling bearing (6) in both sides of bearing spacer (7), one side fixedly connected with bearing retainer ring (9) of conical rolling bearing (6), one side fixedly connected with axle head sealing washer (10) of bearing retainer ring (9), the inboard of procapsid (8) is equipped with long universal driving shaft (13), one side meshing of long universal driving shaft (13) is connected with little universal driving shaft (14), one side and valve disc (15) swing joint of little universal driving shaft (14), one side fixedly connected with valve disc (16) of little universal driving shaft (15), the one end outside of little universal driving shaft (14) is equipped with valve (17), the equal fixedly connected with balanced dish (19) in both sides in both ends of one side of valve (17), balanced dish (19) are connected with outer sealing washer (18).

2. The multiple variable load hydraulic motor of claim 1, wherein: one side fixedly connected with of procapsid (8) preceding shell sealing washer (11), preceding side fixedly connected with protecgulum (3) of procapsid (8).

3. The multiple variable load hydraulic motor of claim 2, wherein: one side swing joint of protecgulum (3) has screw (4), inboard fixedly connected with skeleton oil blanket (25) of protecgulum (3), equal fixedly connected with protecgulum sealing washer (5) in both sides of protecgulum (3).

4. The multiple variable load hydraulic motor of claim 1, wherein: the outside of valve (17) is equipped with back casing (22), one side top swing joint of back casing (22) has spring (21), one side bottom swing joint of back casing (22) has pin (24), pin (24) and spring (21) all with balance disc (19) fixed connection.

5. The multiple-variable-load hydraulic motor according to claim 4, wherein: one side of the rear shell (22) is fixedly connected with a bolt (23), the length of the small linkage shaft (14) is smaller than that of the long linkage shaft (13), and one end, close to the long linkage shaft (13), of the small linkage shaft (14) is inclined.

6. The multiple variable load hydraulic motor of claim 4, wherein: the outside of back casing (22) is equipped with fender bracket (27), one side fixedly connected with inner seal circle (20) of back casing (22), fender bracket (27) are hollow structure, the one end of fender bracket (27) is the opening form.

7. The multiple variable load hydraulic motor of claim 6, wherein: the two sides of the protection frame (27) are fixedly connected with buffer springs (26), and one ends of the buffer springs (26) are fixedly connected with buffer blocks (28).

8. The multiple variable load hydraulic motor of claim 6, wherein: one end fixedly connected with damping spring (30) of fender bracket (27), one side fixedly connected with spacing (29) of damping spring (30), spacing (29) are located the outside of back casing (22).