CN220748447U

CN220748447U - Cycloid hydraulic motor

Info

Publication number: CN220748447U
Application number: CN202322526143.3U
Authority: CN
Inventors: 李庆辉
Original assignee: Hebei Paiyi Hydraulic Machinery Co ltd
Current assignee: Hebei Paiyi Hydraulic Machinery Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-09
Anticipated expiration: 2033-09-18

Abstract

The utility model belongs to the field of hydraulic motors, in particular to a cycloid hydraulic motor which comprises a mounting flange and an internal cooling device; the internal cooling device is provided with a liquid storage tank, the bottom of the liquid storage tank is fixedly connected with a fixing frame, one side of the liquid storage tank is fixedly sleeved with an output pipe, and the other end of the output pipe is fixedly sleeved with a connecting groove; the inner wall through the cooling bin absorbs heat exchange to the heat that produces in the rotation of hydraulic pressure stator and rotor, make the stable temperature of keeping of inner component prevent that the temperature from causing the damage to the organism too high, the cooling in the cooling bin is absorbed by the inside of output tube at the liquid reserve tank, make the coolant liquid flow back into the liquid reserve tank inside again through the output tube, the semiconductor refrigerator of liquid reserve tank inside reduces the temperature of coolant liquid, thereby make the cooling of cooling bin become the circulation, the function that inner component carries out cooling circulation has been realized, the problem that the heat to hydraulic motor inner component and hydraulic oil can't be cooled is solved, the adaptability of continuous operation has been improved.

Description

Cycloid hydraulic motor

Technical Field

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

Background

The hydraulic motor is conventionally referred to as an energy conversion device that outputs rotational motion, converting hydraulic energy provided by a hydraulic pump into mechanical energy. Hydraulic motors can be classified into gear type, vane type, plunger type and other types according to their structural types.

Chinese patent No. CN202022324716.0 discloses a cycloidal hydraulic motor, which is characterized in that: the hydraulic motor comprises a hydraulic motor body, wherein the side surface and the bottom surface of the hydraulic motor body are connected with L-shaped fixed vibration-proof plates, a plurality of bolt fixing holes are formed in the fixed vibration-proof plates, the hydraulic motor body is connected with fixing bolts through the bolt fixing holes, buffer sucker devices are arranged on the fixing bolts between the fixed vibration-proof plates and the hydraulic motor body, and each buffer sucker device comprises sucker nozzles at two ends and a buffer piece in the middle; one end threaded connection of fixing bolt has the bolt protective sheath, the outside of bolt protective sheath is equipped with the external screw thread, just the external screw thread of bolt protective sheath is connected with fixation nut.

From the above, the vibration-proof rubber pad is provided on the bottom surface of the hydraulic motor body and the bottom plate for fixing the vibration-proof plate, so that the hydraulic motor body can be prevented from directly making hard contact with the vibration generated during operation, and the problem of damaging the internal components is solved, but the following disadvantages are also caused: the inside of organism can not obtain abundant cooling, can't cool off to the heat of hydraulic motor inner element and hydraulic oil, and the inside higher heat that can produce of work under the heavy load leads to the internal local heat accumulation of hydraulic motor easily, leads to the organism trouble.

Accordingly, a gerotor hydraulic motor is proposed for the above-mentioned problems.

Disclosure of Invention

In order to make up the defects of the prior art, the utility model provides a cycloid hydraulic motor aiming at the problem that the internal elements of the hydraulic motor and the heat of hydraulic oil cannot be cooled.

The technical scheme adopted for solving the technical problems is as follows: the cycloid hydraulic motor comprises a mounting flange and an internal cooling device; the liquid storage tank is arranged on the internal cooling device, the fixing frame is fixedly connected to the bottom of the liquid storage tank, an output pipe is fixedly sleeved on one side of the liquid storage tank, and a connecting groove is fixedly sleeved on the other end of the output pipe.

Preferably, the inner wall of the liquid storage tank is fixedly sleeved with a semiconductor refrigerator, one side of the front surface of the semiconductor refrigerator is fixedly sleeved with two connecting pipes, one side of the back surface of the semiconductor refrigerator is fixedly connected with a sealing ring, the other side of the sealing ring is fixedly connected with a spring, and the other end of the spring is fixedly connected with a protective cover.

Preferably, one side of the back of the mounting flange is fixedly connected with a cooling bin, the other side of the cooling bin is fixedly connected with a rear cover, the top of the rear cover is fixedly connected with a supporting rod, and the other end of the supporting rod is fixedly connected with a protective cover.

Preferably, one side of the front surface of the protective cover is fixedly connected with a liquid storage tank, the other side of the liquid storage tank is fixedly connected with a fixed cover, and the bottom of the fixed cover is fixedly connected with a mounting flange.

Preferably, the inner wall of the cooling bin is provided with two connecting grooves, one side of each connecting groove is fixedly sleeved with a return pipe, and the other end of each return pipe penetrates through and is fixedly sleeved with a liquid storage tank.

Preferably, the inner wall of the cooling bin is fixedly sleeved with a sealing plate, a hydraulic stator and a hydraulic rotor are installed on one side of the back face of the sealing plate, an output shaft is fixedly connected to one side of the front face of the hydraulic stator and the hydraulic rotor, and a mounting flange penetrates through one side of the output shaft and is fixedly connected to one side of the output shaft.

Preferably, the sealing plate is located one side of the output shaft and is fixedly connected with a fixing frame, an output pipe is fixedly sleeved in the fixing frame, and a return pipe is fixedly sleeved in the inner wall of the fixing frame.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the internal cooling device, heat generated in the rotation of the hydraulic stator and the hydraulic rotor is absorbed and exchanged through the inner wall of the cooling bin, so that the stable temperature of the internal element is kept to prevent the damage to the engine body caused by overhigh temperature, the cooling in the cooling bin is absorbed in the liquid storage tank through the output pipe, the cooling liquid flows back into the liquid storage tank again through the output pipe, the temperature of the cooling liquid is reduced by the semiconductor refrigerator in the liquid storage tank, so that the cooling of the cooling bin is changed into circulation, the function of cooling and circulating the internal element is realized, the problem that the heat of the internal element and hydraulic oil of the hydraulic motor cannot be cooled is solved, and the adaptability of continuous operation is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the present utility model;

fig. 5 is a schematic view of the mounting flange structure of the present utility model.

In the figure: 1. a mounting flange; 2. an internal cooling device; 11. a hydraulic stator and rotor; 12. an output shaft; 13. a sealing plate; 14. a rear cover; 15. a support rod; 16. a fixed cover; 21. a liquid storage tank; 22. an output pipe; 23. a return pipe; 24. a fixing frame; 25. a protective cover; 26. a cooling bin; 27. a connecting groove; 28. a semiconductor refrigerator; 29. a connecting pipe; 201. a seal ring; 202. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a cycloidal hydraulic motor includes a mounting flange 1, an internal cooling device 2; the internal cooling device 2 is provided with a liquid storage tank 21, the bottom of the liquid storage tank 21 is fixedly connected with a fixing frame 24, one side of the liquid storage tank 21 is fixedly sleeved with an output pipe 22, and the other end of the output pipe 22 is fixedly sleeved with a connecting groove 27;

during operation, the liquid storage tank 21 is sleeved with the output pipe 22, so that the cooling liquid in the liquid storage tank 21 can flow out through the output pipe 22 to cool the internal elements, the internal elements are more stable during operation, and the integral downtime caused by the local excessive accumulation of the internal temperature is prevented.

Further, the inner wall of the liquid storage tank 21 is fixedly sleeved with a semiconductor refrigerator 28, one side of the front surface of the semiconductor refrigerator 28 is fixedly sleeved with two connecting pipes 29, one side of the back surface of the semiconductor refrigerator 28 is fixedly connected with a sealing ring 201, the other side of the sealing ring 201 is fixedly connected with a spring 202, and the other end of the spring 202 is fixedly connected with a protective cover 25;

in operation, the semiconductor refrigerator 28 exchanges cold and heat with the cooling water in the liquid storage tank 21 to reduce the temperature of the cooling water, the sealing ring 201 on one side of the semiconductor refrigerator 28 seals the cooling liquid in the liquid storage tank, the spring 202 generates thrust to the sealing ring 201, and the sealing ring 201 is prevented from shaking to cause leakage of the cooling liquid when the whole is impacted.

Further, one side of the back of the mounting flange 1 is fixedly connected with a cooling bin 26, the other side of the cooling bin 26 is fixedly connected with a rear cover 14, the top of the rear cover 14 is fixedly connected with a supporting rod 15, and the other end of the supporting rod 15 is fixedly connected with a protective cover 25;

in operation, the cooling fluid is injected into the cooling chamber 26 to exchange heat between the inner wall of the cooling chamber 26 and the heat in the cooling chamber, so that the temperature in the cooling chamber is reduced to a safe range, and the temperature is prevented from rising in high-intensity operation.

Further, one side of the front surface of the protective cover 25 is fixedly connected with a liquid storage tank 21, the other side of the liquid storage tank 21 is fixedly connected with a fixed cover 16, and the bottom of the fixed cover 16 is fixedly connected with a mounting flange 1;

during operation, the liquid storage tank 21 is fixed and is responsible for supporting through the fixed cover 16, so that the liquid storage tank 21 is stable and firm during operation.

Further, the inner wall of the cooling bin 26 is provided with two connecting grooves 27, one side of each connecting groove 27 is fixedly sleeved with a return pipe 23, and the other end of each return pipe 23 penetrates through and is fixedly sleeved with a liquid storage tank 21;

in operation, the output pipe 22 and the return pipe 23 are connected through the connecting groove 27 formed in the cooling bin 26.

Further, a sealing plate 13 is fixedly sleeved on the inner wall of the cooling bin 26, a hydraulic stator and rotor 11 is installed on one side of the back surface of the sealing plate 13, an output shaft 12 is fixedly connected to one side of the front surface of the hydraulic stator and rotor 11, and a mounting flange 1 penetrates through and is fixedly connected to one side of the output shaft 12;

in operation, the output shaft 12 is driven to the outside through the mounting flange 1 by synchronous rotational movement of the output shaft 12 fixed when the hydraulic stator/rotor 11 is rotated.

Further, a fixing frame 24 is fixedly connected to one side of the sealing plate 13, which is positioned on the output shaft 12, an output pipe 22 is fixedly sleeved in the fixing frame 24, and a return pipe 23 is fixedly sleeved in the inner wall of the fixing frame 24;

during operation, the output pipe 22 and the return pipe 23 are fixed through the fixing frame 24, so that the positions of the output pipe 22 and the return pipe 23 are prevented from deviating due to shaking during operation of the whole.

Working principle: in the first embodiment, when the hydraulic stator and rotor 11 is operated, heat is generated during rotation, the cooling liquid in the liquid storage tank 21 is extracted through the output pipe 22, the fixing frame 24 fixes the output pipe 22 during extraction to enable the output pipe 22 to be more stable during operation, the other side of the output pipe 22 is fixedly sleeved with the connecting groove 27, the cooling liquid flows into the cooling bin 26 through the connecting groove 27 formed in the cooling bin 26, the heat generated by high-speed rotation in the cooling bin 26 is extracted, the cooling bin 26 is subjected to heat exchange through the cooling liquid to enable the temperature of the cooling bin 26 to be reduced, the temperature of the cooling liquid after heat exchange is increased, the cooling liquid in the cooling bin 26 is extracted through the connection of the connecting groove 27 on the other side and the return pipe 23, the cooling liquid enters the liquid storage tank 21 through the return pipe 23, the cooling liquid enters the periphery of the semiconductor refrigerator 28 through the connecting pipe 29 on one side after entering the inside of the liquid storage tank 21, the temperature of the cooling liquid is reduced through the semiconductor refrigerator 28, and the next cooling operation is performed better.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A gerotor hydraulic motor, characterized by: comprises a mounting flange (1) and an internal cooling device (2); the cooling device is characterized in that the liquid storage tank (21) is arranged on the internal cooling device (2), the fixing frame (24) is fixedly connected to the bottom of the liquid storage tank (21), an output pipe (22) is fixedly sleeved on one side of the liquid storage tank (21), and a connecting groove (27) is fixedly sleeved on the other end of the output pipe (22).

2. The gerotor hydraulic motor of claim 1, wherein: the inner wall of the liquid storage tank (21) is fixedly sleeved with a semiconductor refrigerator (28), one side of the front surface of the semiconductor refrigerator (28) is fixedly sleeved with two connecting pipes (29), one side of the back surface of the semiconductor refrigerator (28) is fixedly connected with a sealing ring (201), the other side of the sealing ring (201) is fixedly connected with a spring (202), and the other end of the spring (202) is fixedly connected with a protective cover (25).

3. The gerotor hydraulic motor of claim 2, wherein: the novel cooling device is characterized in that a cooling bin (26) is fixedly connected to one side of the back face of the mounting flange (1), a rear cover (14) is fixedly connected to the other side of the cooling bin (26), a supporting rod (15) is fixedly connected to the top of the rear cover (14), and a protective cover (25) is fixedly connected to the other end of the supporting rod (15).

4. A gerotor hydraulic motor according to claim 3, characterized in that: the novel protective cover is characterized in that a liquid storage tank (21) is fixedly connected to one side of the front face of the protective cover (25), a fixed cover (16) is fixedly connected to the other side of the liquid storage tank (21), and a mounting flange (1) is fixedly connected to the bottom of the fixed cover (16).

5. The gerotor hydraulic motor of claim 4, wherein: the inner wall of the cooling bin (26) is provided with two connecting grooves (27), one side of each connecting groove (27) is fixedly sleeved with a return pipe (23), and the other end of each return pipe (23) penetrates through and is fixedly sleeved with a liquid storage tank (21).

6. The gerotor hydraulic motor of claim 5, wherein: the inner wall of the cooling bin (26) is fixedly sleeved with a sealing plate (13), a hydraulic stator and rotor (11) is installed on one side of the back face of the sealing plate (13), an output shaft (12) is fixedly connected on one side of the front face of the hydraulic stator and rotor (11), and one side of the output shaft (12) penetrates through and is fixedly connected with a mounting flange (1).

7. The gerotor hydraulic motor of claim 6, wherein: the sealing plate (13) is located one side of the output shaft (12) and fixedly connected with a fixing frame (24), an output pipe (22) is fixedly sleeved in the fixing frame (24), and a return pipe (23) is fixedly sleeved on the inner wall of the fixing frame (24).