CN216198621U

CN216198621U - Hydraulic motor convenient to dismantle formula

Info

Publication number: CN216198621U
Application number: CN202122375090.0U
Authority: CN
Inventors: 盛伟; 王志生; 王文星; 鞠顺
Original assignee: ZHENJIANG DALI HYDRAULIC MOTOR CO Ltd
Current assignee: ZHENJIANG DALI HYDRAULIC MOTOR CO Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-05
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a hydraulic motor convenient to disassemble, relates to the technical field of hydraulic motors, and aims to solve the problems that the disassembly difficulty of the hydraulic motor is high due to the adoption of an integrated structure, and the volume of an internal mechanism of the hydraulic motor is increased and the flow distribution precision is reduced due to the adoption of a middle-mounted or rear-mounted flow distribution system on the hydraulic motor and low integration level. One side of valve body subassembly is provided with the stator, the inside of stator is provided with the rotor, and the rotor rotates with the stator to be connected, one side of stator is provided with the flow distribution backup pad, one side of flow distribution backup pad is provided with mounting flange, and flow distribution backup pad and mounting flange concatenation structure as an organic whole, one side of valve body subassembly is provided with the bolt, bolt and mounting flange threaded connection, one side of mounting flange is provided with rotatory flange, one side of rotatory flange is provided with the transmission cover, one side of transmission cover is provided with the back lid, be provided with the hexagonal plug screw on the transmission cover.

Description

Hydraulic motor convenient to dismantle formula

Technical Field

The utility model relates to the technical field of hydraulic motors, in particular to a hydraulic motor convenient to disassemble.

Background

The hydraulic motor is an executing element of a hydraulic system, converts the hydraulic pressure energy provided by a hydraulic pump into mechanical energy of an output shaft of the hydraulic motor, belongs to the technical field of engineering machinery, has wide application, and is mainly used in engineering machinery in agriculture (various combine harvesters, seeders, mowers, ground drilling machines and the like), fishery (net haulers and the like), light industry (winders, textile machines, printing machines and the like), construction industry (road rollers, cement mixers, cleaning vehicles and the like) and the like.

At present, hydraulic motor adopts the integral type structure, and it is great to carry out the dismantlement formula degree of difficulty to hydraulic motor, and the distribution system on the hydraulic motor adopts to put in or rearmounted, and the integrated level is lower for hydraulic motor internal mechanism volume increases, makes the distribution precision descend, can not satisfy the user demand, therefore urgently needs the hydraulic motor of a convenient to detach formula in the market to solve these problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic motor convenient to disassemble, which aims to solve the problems that the disassembly difficulty of the hydraulic motor is high due to the adoption of an integrated structure, and the volume of an internal mechanism of the hydraulic motor is increased and the flow distribution precision is reduced due to the adoption of a middle-mounted or rear-mounted flow distribution system on the hydraulic motor due to the low integration level.

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic motor convenient to disassemble comprises a valve body assembly, wherein the valve body assembly adopts an integrated hub type supporting structure, a stator is arranged on one side of the valve body assembly, a rotor is arranged inside the stator, the rotor is rotationally connected with the stator, one side of the stator is provided with a flow distribution supporting plate, one side of the flow distribution supporting plate is provided with a fixed flange, and the flow distribution supporting plate and the fixed flange are spliced into an integral structure, one side of the valve body component is provided with a bolt, one end of the bolt penetrates through the valve body assembly, the stator and the flow distribution supporting plate and extends to the inside of the fixed flange, the bolt is connected with the fixed flange through threads, one side of the fixed flange is provided with a rotating flange, one side of rotatory flange is provided with the transmission cover, one side of transmission cover is provided with the back lid, be provided with the hexagonal plug screw on the transmission cover, and hexagonal plug screw and transmission cover threaded connection.

Preferably, the inside of transmission cover is provided with the transmission shaft, and the one end of transmission shaft extends to the inside of mounting flange, be provided with composite bearing between transmission shaft and the mounting flange, the inside of rotor is provided with the universal driving shaft, and the one end of universal driving shaft extends to the inside of transmission shaft.

Preferably, a flow distribution plate is arranged inside the fixed flange and arranged outside the universal driving shaft, the flow distribution plate is attached to the flow distribution supporting plate, a flow distribution pressure plate is arranged on one side of the flow distribution plate, one end of the flow distribution pressure plate extends to the inside of the fixed flange, and a cylindrical pin is arranged at one end of the flow distribution pressure plate.

Preferably, a spring is arranged between the cylindrical pin and the flow distribution pressure plate, and a bearing ring is arranged between the flow distribution pressure plate and the fixed flange.

Preferably, the stator is provided with perforated needle teeth, and the perforated needle teeth are arranged on the stator at equal intervals.

Preferably, be provided with the bearing between rotatory flange and the mounting flange, and the bearing setting is in the outside of mounting flange, the bearing is connected as an organic whole structure with rotatory flange and mounting flange, and is provided with the retaining ring on the bearing, be provided with floating seal retainer ring between rotatory flange and the mounting flange, and floating seal retainer ring and rotatory flange and mounting flange laminate mutually.

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

1. the utility model discloses a device uses hexagon screw to connect through the setting of back lid, transmission cover, rotatory flange, mounting flange and valve body subassembly between back lid, transmission cover and the rotatory flange, keeps off the ring rotation with the help of bearing and floating seal between rotatory flange and the mounting flange and is connected, uses bolted connection between mounting flange and the valve body subassembly, and the hydraulic motor casing adopts the concatenation of polylith part for hydraulic motor's dismantlement is more convenient. The problem of hydraulic motor adopt the integral type structure to increase the dismantlement degree of difficulty is solved.

2. The utility model discloses a device is through the setting of the backup pad that flows, the pressure disk that flows and the valve plate that flows, and the backup pad that flows, the pressure disk that flows and the valve plate that flows constitute the valve system that should flow the system by the output shaft drive, and the valve system adopts leading integrated technology for the space reduces greatly, makes the inside mechanism of hydraulic motor compact, has increased the valve precision. The problems that the installation position of the flow distribution system is not good and the flow distribution precision is reduced are solved.

3. The utility model discloses a device is through the setting of foraminiferous needle tooth and hexagonal plug screw, and foraminiferous needle tooth is inside to have integrateed high, low pressure distribution channel technique for motor structure is compacter, and the hexagonal plug screw is as integrated hydraulic pressure lock valve, shuttle valve, the interpolation of the liquid of being convenient for. The problem of join in marriage a class passageway and adopt the single channel to increase motor structure volume is solved.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. a rear cover; 2. a transmission sleeve; 3. rotating the flange; 4. a fixed flange; 5. a flange hole; 6. a flow distribution support plate; 7. a stator; 8. a valve body assembly; 9. a bolt; 10. a hex screw; 11. a partition plate; 12. a drive shaft; 13. a bearing; 14. a floating seal retainer ring; 15. a flow distribution pressure plate; 16. a valve plate; 17. a rotor; 18. needle teeth with holes; 19. a linkage shaft; 20. a spring; 21. a cylindrical pin; 22. a composite bearing; 23. a hexagonal plug screw; 24. an O-shaped sealing ring.

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.

Referring to fig. 1-4, an embodiment of the present invention is shown: a hydraulic motor convenient to disassemble comprises a valve body assembly 8, wherein the valve body assembly 8 adopts an integrated hub type supporting structure, a stator 7 is arranged on one side of the valve body assembly 8, a rotor 17 is arranged inside the stator 7, the rotor 17 is rotatably connected with the stator 7, a flow distribution supporting plate 6 is arranged on one side of the stator 7, a fixed flange 4 is arranged on one side of the flow distribution supporting plate 6, the flow distribution supporting plate 6 and the fixed flange 4 are spliced into an integral structure, a bolt 9 is arranged on one side of the valve body assembly 8, one end of the bolt 9 penetrates through the valve body assembly 8, the stator 7 and the flow distribution supporting plate 6 and extends into the fixed flange 4, the bolt 9 is in threaded connection with the fixed flange 4, the bolt 9 connects the valve body assembly 8 and the fixed flange 4 into an integral structure, a rotating flange 3 is arranged on one side of the fixed flange 4, and flange holes 5 are formed in the rotating flange 3 and the fixed flange 4, one side of rotatory flange 3 is provided with transmission sleeve 2, one side of transmission sleeve 2 is provided with back lid 1, one side of back lid 1 and transmission sleeve 2 all is provided with hex bolts 10, and hex bolts 10 and back lid 1, equal threaded connection of transmission sleeve 2 and rotatory flange 3, be provided with hexagonal plug screw 23 on the transmission sleeve 2, and

hexagonal plug screw

23 and 2 threaded connection of transmission sleeve, cap 1 after hexagonal plug screw 23 will,

transmission sleeve

2 and 3 interconnect structures as an organic whole of rotatory flange, hydraulic motor adopts a plurality of parts concatenation structure as an organic whole, make hydraulic motor's dismantlement more convenient.

Further, a transmission shaft 12 is arranged inside the transmission sleeve 2, one end of the transmission shaft 12 extends to the inside of the fixing flange 4, a composite bearing 22 is arranged between the transmission shaft 12 and the fixing flange 4, an O-shaped sealing ring 24 is arranged on one side of the composite bearing 22, the O-shaped sealing ring 24 is connected with the transmission shaft 12 and the fixing flange 4 in a fit mode, a linkage shaft 19 is arranged inside the rotor 17, and one end of the linkage shaft 19 extends to the inside of the transmission shaft 12. The transmission can be realized through the transmission shaft 12 and the linkage shaft 19, the composite bearing 22 enables the transmission shaft 12 to rotate more stably, and the O-shaped sealing ring 24 ensures the connection sealing property of the transmission shaft 12 and the fixed flange 4.

Furthermore, a flow distribution plate 16 is arranged inside the fixed flange 4, the flow distribution plate 16 is arranged outside the linkage shaft 19, the flow distribution plate 16 is attached to the flow distribution support plate 6, a flow distribution pressure plate 15 is arranged on one side of the flow distribution plate 16, one end of the flow distribution pressure plate 15 extends into the fixed flange 4, and a cylindrical pin 21 is arranged at one end of the flow distribution pressure plate 15. The distribution system is formed by the distribution support plate 6, the distribution pressure plate 15 and the distribution plate 16, is arranged in front and is driven by an output shaft, so that the internal mechanism is compact, and the distribution precision is indirectly increased.

Furthermore, a spring 20 is arranged between the cylindrical pin 21 and the flow distribution pressure plate 15, and a bearing ring is arranged between the flow distribution pressure plate 15 and the fixed flange 4. The spring 20 can correspondingly expand and contract when the hydraulic pressure changes, so that the buffer effect is achieved.

Further, the stator 7 is provided with a needle tooth 18 with holes, the needle tooth 18 with holes is arranged on the stator 7 at equal intervals, a partition plate 11 is arranged between the stator 7 and the valve body assembly 8, and the partition plate 11 is attached to the stator 7 and the valve body assembly 8. The high-pressure and low-pressure flow distribution channel technology is integrated in the needle gear 18 with the hole, so that the motor structure is more compact.

Further, be provided with bearing 13 between rotary flange 3 and the mounting flange 4, and bearing 13 sets up in the outside of mounting flange 4, and bearing 13 is connected as an organic whole structure with rotary flange 3 and mounting flange 4, and is provided with the retaining ring on the bearing 13, is provided with floating seal fender ring 14 between rotary flange 3 and the mounting flange 4, and floating seal keeps off ring 14 and rotary flange 3 and mounting flange 4 laminating mutually. The bearing 13 ensures the rotating smoothness of the rotating flange 3, and the floating sealing baffle ring 14 ensures the connection tightness of the rotating flange 3 and the fixed flange 4.

The working principle is as follows: when the hydraulic motor driving device is used, a hydraulic motor driving part is installed on a fixed flange 4, a flow distribution system is installed inside the fixed flange 4, a valve body assembly 8 is connected with the fixed flange 4 through a bolt 9, a rotary flange 3 is sleeved at one end of the fixed flange 4 and connected through a floating sealing baffle ring 14, a driving sleeve 2 is connected with the rotary flange 3 through a hexagon screw 10, a driving shaft 12 penetrates through the driving sleeve 2 and is inserted into the fixed flange 4, the driving shaft 12 is connected with a linkage shaft 19 into an integral structure, and the rear cover 1 is connected with the driving sleeve 2 through the hexagon screw 10. The flow distribution system is arranged in front and driven by an output shaft, and the integration level is higher, so that the internal mechanism is more compact, and the flow distribution precision is improved; the needle teeth 18 with holes are internally integrated with high-pressure and low-pressure flow distribution channel technology, so that the motor structure is more compact.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A hydraulic motor convenient to dismantlement formula, includes valve body subassembly (8), its characterized in that: the valve body assembly (8) adopts an integrated hub type supporting structure, a stator (7) is arranged on one side of the valve body assembly (8), a rotor (17) is arranged inside the stator (7), the rotor (17) is rotatably connected with the stator (7), a flow distribution supporting plate (6) is arranged on one side of the stator (7), a fixing flange (4) is arranged on one side of the flow distribution supporting plate (6), the flow distribution supporting plate (6) and the fixing flange (4) are spliced into an integral structure, a bolt (9) is arranged on one side of the valve body assembly (8), one end of the bolt (9) penetrates through the valve body assembly (8), the stator (7) and the flow distribution supporting plate (6) and extends into the fixing flange (4), the bolt (9) is in threaded connection with the fixing flange (4), a rotating flange (3) is arranged on one side of the fixing flange (4), one side of rotatory flange (3) is provided with drive sleeve (2), one side of drive sleeve (2) is provided with back lid (1), be provided with hexagonal plug screw (23) on drive sleeve (2), and hexagonal plug screw (23) and drive sleeve (2) threaded connection.

2. The hydraulic motor of claim 1, wherein: the inside of transmission cover (2) is provided with transmission shaft (12), and the one end of transmission shaft (12) extends to the inside of mounting flange (4), be provided with composite bearing (22) between transmission shaft (12) and mounting flange (4), the inside of rotor (17) is provided with universal driving shaft (19), and the one end of universal driving shaft (19) extends to the inside of transmission shaft (12).

3. The hydraulic motor of claim 1, wherein: the novel flow distribution device is characterized in that a flow distribution plate (16) is arranged inside the fixed flange (4), the flow distribution plate (16) is arranged outside the linkage shaft (19), the flow distribution plate (16) is attached to the flow distribution support plate (6), a flow distribution pressure plate (15) is arranged on one side of the flow distribution plate (16), one end of the flow distribution pressure plate (15) extends into the fixed flange (4), and a cylindrical pin (21) is arranged at one end of the flow distribution pressure plate (15).

4. A hydraulic motor of the easily detachable type according to claim 3, wherein: a spring (20) is arranged between the cylindrical pin (21) and the flow distribution pressure plate (15), and a bearing ring is arranged between the flow distribution pressure plate (15) and the fixed flange (4).

5. The hydraulic motor of claim 1, wherein: the stator (7) is provided with perforated needle teeth (18), and the perforated needle teeth (18) are arranged on the stator (7) at equal intervals.

6. The hydraulic motor of claim 1, wherein: be provided with bearing (13) between rotary flange (3) and mounting flange (4), and bearing (13) set up the outside at mounting flange (4), bearing (13) are connected as an organic whole structure with rotary flange (3) and mounting flange (4), and are provided with the retaining ring on bearing (13), be provided with floating seal fender ring (14) between rotary flange (3) and mounting flange (4), and floating seal fender ring (14) and rotary flange (3) and mounting flange (4) laminate mutually.