CN120273839A - Hydraulic motor and working method - Google Patents
Hydraulic motor and working method Download PDFInfo
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- CN120273839A CN120273839A CN202510461986.0A CN202510461986A CN120273839A CN 120273839 A CN120273839 A CN 120273839A CN 202510461986 A CN202510461986 A CN 202510461986A CN 120273839 A CN120273839 A CN 120273839A
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- liquid
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- hydraulic
- hollow cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
- F03B1/04—Nozzles; Nozzle-carrying members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
本发明公开了一种液压马达及工作方法，属于煤矿用设备智能供电技术领域；所述液压马达包括泵壳；泵壳为阶梯圆柱状，泵壳内部为中空设置；泵壳一端开有入液口，泵壳另一端开有支撑管，泵壳中部开有储液腔，泵壳底部开有第一出液口，储液腔与第一出液口相贯通；马达转子设置在泵壳的内部，马达转子包括依次连接的进液端、出液端与动力输出端；出液端的外表面沿轴向方向等间距的设置有的液压喷嘴，液压喷嘴的内部空腔与出液腔相贯通；本发明提供的液压马达的体积小，流量及所用介质均能满足煤矿井下发电系统所需的马达参数的要求，且对液体中的杂质要求低，不需要精细过滤，降低了磨损，提高了使用寿命。
The invention discloses a hydraulic motor and a working method, belonging to the technical field of intelligent power supply for equipment used in coal mines; the hydraulic motor comprises a pump casing; the pump casing is in a stepped cylindrical shape, and the interior of the pump casing is hollow; a liquid inlet is provided at one end of the pump casing, a support tube is provided at the other end of the pump casing, a liquid storage cavity is provided in the middle of the pump casing, a first liquid outlet is provided at the bottom of the pump casing, and the liquid storage cavity and the first liquid outlet are communicated with; a motor rotor is arranged inside the pump casing, and the motor rotor comprises a liquid inlet end, a liquid outlet end and a power output end connected in sequence; hydraulic nozzles are provided at equal intervals on the outer surface of the liquid outlet end in the axial direction, and the internal cavity of the hydraulic nozzle is communicated with the liquid outlet cavity; the hydraulic motor provided by the invention has a small volume, and the flow rate and the medium used can meet the requirements of the motor parameters required by the coal mine underground power generation system, and has low requirements on impurities in the liquid, does not require fine filtration, reduces wear and improves service life.
Description
Technical Field
The invention belongs to the technical field of intelligent power supply of equipment for coal mines, and particularly relates to a hydraulic motor and a working method.
Background
The hydraulic motor is a hydraulic actuator that performs continuous rotational movement and outputs torque, and is an energy conversion device that converts hydraulic energy provided by a hydraulic pump into mechanical energy. Hydraulic motors commonly used in mining machinery are gear motors, vane motors, and plunger motors.
The principle of operation of the gear motor is shown in figure 1. The motor is mainly composed of a pump shell and a gear pair, high-pressure liquid is input from the P end and acts on the tooth surfaces of the gears to enable the gear pair to rotate around a rotating shaft, return liquid is discharged from the P' end, and power is output from one gear output shaft passing through the return liquid. However, the sealing property of the gear motor is poor, the volumetric efficiency is low, so the input oil pressure cannot be excessively high, resulting in that the torque thereof is generally not large, and the gears in the gear motor are often affected by friction and wear, and as the service time increases, the wear of the gears results in performance degradation and increases maintenance costs.
The principle of operation of the vane motor is shown in fig. 2. The vane motor consists of mainly pump casing, rotor, vanes, etc. when the pressure P working liquid is fed into the two liquid inlets between 1-3 and 5-7 vanes, the two sides of the 2-5 vanes are balanced and have no moment effect on the center of the rotor, and the two sides of the 1, 3, 5, 7 vanes are not equal, and the total pressure of the 3-7 vanes is greater than the total pressure of the 1-5 vanes, so that the motor rotates clockwise and outputs power via the rotating shaft. The vane motor has relatively complex structure, high manufacturing precision requirement and higher cost.
The working principle of the plunger motor is shown in fig. 3. The plunger motor consists of a pump shell, a valve plate, a plunger, a sloping cam plate, an output shaft and the like. When the working fluid with the pressure P enters the plunger hole through the valve plate, the plunger is pressed against the swash plate, and the reaction force of the swash plate to the plunger can be decomposed into an axial force Fa and a force Ft perpendicular to the axial force Fa, and Fa is balanced with the total hydraulic pressure on the bottom surface of the plunger. The force Ft on each plunger generates a moment on the axis of the motor output shaft, and the sum of the moments is the output shaft rotation and output power. The plunger motor has high requirements on impurities in the hydraulic oil and needs fine filtration. If the hydraulic oil contains scrap iron or air, the pump body may be damaged.
The various pumps described above are large in volume and neither the flow nor the medium used can meet the motor parameters required for a coal mine downhole power generation system.
Disclosure of Invention
In order to solve the defects in the prior art, a novel hydraulic motor and a working method are designed, and the novel hydraulic motor is used in an electro-hydraulic power supply device for a hydraulic support and provides power for a power generation device of an underground electro-hydraulic system of a coal mine.
The invention adopts the following technical scheme:
The first aspect of the invention discloses a hydraulic motor, which comprises a pump shell, a motor rotor and a hydraulic nozzle, wherein the pump shell is of a stepped cylindrical shape, the inside of the pump shell is hollow, one end of the pump shell is provided with a liquid inlet, the other end of the pump shell is provided with a supporting pipe, the middle of the pump shell is provided with a liquid storage cavity, the bottom of the pump shell is provided with a first liquid outlet, the liquid storage cavity is communicated with the first liquid outlet, the motor rotor is arranged in the pump shell and comprises a liquid inlet end, a liquid outlet end and a power output end which are sequentially connected, the power output end at least comprises a section of power output shaft, the power output end penetrates through the supporting pipe and extends out of an external space, the liquid inlet end is internally provided with a liquid inlet cavity, the liquid outlet cavity is communicated with the liquid inlet cavity, the outer surface of the liquid outlet end is provided with the hydraulic nozzle at equal intervals along the axial direction, and the internal cavity of the hydraulic nozzle is communicated with the liquid outlet cavity and is used for spraying high-pressure liquid entering the liquid outlet cavity.
According to the hydraulic motor, the pump shell comprises a first-order hollow cylinder, a second-order hollow cylinder and a third-order hollow cylinder which are sequentially arranged, wherein the diameter of the first-order hollow cylinder is minimum, the diameter of the third-order hollow cylinder is maximum, and the diameter of the second-order hollow cylinder is smaller than the diameter of the third-order hollow cylinder and larger than the diameter of the first-order hollow cylinder.
According to the hydraulic motor, the liquid inlet is positioned at one end of the first-order hollow cylinder far away from the third-order hollow cylinder, and the supporting tube is positioned at one end of the third-order hollow cylinder far away from the first-order hollow cylinder.
According to the hydraulic motor, the liquid storage cavity is located inside the third-order hollow cylinder, and the first liquid outlet is located on the side wall of the third-order hollow cylinder and is used for discharging liquid sprayed by the hydraulic nozzle out of the whole device.
According to the hydraulic motor, the liquid spraying direction of the hydraulic nozzle is tangential to the circumference, the hydraulic nozzle is a second liquid outlet, and the direction of the second liquid outlet is perpendicular to the power output end.
According to the hydraulic motor, the shaft shoulder is arranged at the middle position of the power output end, the cross section area of the liquid inlet is equal to the area of the shaft shoulder, and the hydraulic motor is used for reducing the axial force acting on the bearing and eliminating the hydraulic force acting axially.
According to the hydraulic motor, the power output shaft comprises a primary power output shaft, a secondary power output shaft and a final power output shaft, a sealing piece is arranged between the secondary power output shaft and the pump shell, and the primary power output shaft is in sealing connection with the inner wall of the pump shell through the sealing piece and is used for preventing high-pressure liquid from leaking from a gap between the power output end and the pump shell.
According to the hydraulic motor, the outer wall of the port of the liquid inlet end far away from the liquid outlet end is in sealing connection with the inner wall of the pump shell through the sealing piece, so that high-pressure liquid is prevented from leaking from a gap between the liquid inlet end and the pump shell.
According to the hydraulic motor, the supporting tube is connected with the final-stage power output shaft through a bearing, the bearing plays a role in supporting the power output end, and a bearing is arranged between the outer wall of one end of the liquid inlet end, which is close to the liquid outlet end, and the second-order hollow cylinder.
The second aspect of the invention discloses a working method of a hydraulic motor, which is based on the hydraulic motor and comprises the following steps:
High-pressure liquid enters the liquid inlet cavity from the liquid inlet;
the high-pressure liquid in the liquid inlet cavity enters the liquid outlet cavity along a pipeline of the liquid inlet cavity;
The high-pressure liquid is sprayed out from the hydraulic nozzle under the action of pressure and enters the liquid storage cavity, a moment rotating around a shaft is formed when the high-pressure liquid is sprayed out from the hydraulic nozzle, the motor rotor is driven to rotate, torque power is output by the power output end, and then a load is driven;
the oil in the liquid storage cavity is collected to the first liquid outlet along the inner wall of the liquid storage cavity under the action of gravity and is discharged out of the whole device through the first liquid outlet.
Compared with the prior art, the invention has the beneficial effects that at least:
(1) The hydraulic motor provided by the invention has small volume, the flow and the used medium can meet the requirements of motor parameters required by a coal mine underground power generation system, the requirements on impurities in liquid are low, fine filtration is not needed, and the hydraulic motor can be applied to occasions with fixed hydraulic sources and small rotation power;
(2) The motor rotor designed by the invention rotates through the high-pressure liquid sprayed out of the hydraulic nozzle, so that the abrasion is reduced, and the service life is prolonged;
(3) The whole device has simple structure and low cost;
(4) The application also designs the shaft shoulder, the cross section area of the shaft shoulder is equal to that of the liquid inlet, and the axial force acting on the bearing can be lightened, and the hydraulic force acting on the bearing in the axial direction can be eliminated.
Drawings
FIG. 1 is a schematic diagram of gear motor operation;
FIG. 2 is a schematic diagram of the operation of a vane motor;
FIG. 3 is a schematic diagram of the operation of the plunger motor;
FIG. 4 is a schematic diagram of the hydraulic motor composition;
Fig. 5 is a cross-sectional view A-A of fig. 4.
The device comprises a sealing part 1, a pump shell 21, a first-order hollow cylinder 22, a second-order hollow cylinder 23, a third-order hollow cylinder 24, a liquid inlet 25, a supporting pipe 26, a first liquid outlet 27, a liquid storage cavity 3, a motor rotor 31, a liquid inlet end 32, a liquid outlet end 33, a power output end 331, a first-order power output shaft 332, a second-order power output shaft 333, a final-order power output shaft 34, a liquid inlet cavity 35, a liquid outlet cavity 36, a shaft shoulder 4, a bearing 6 and a hydraulic nozzle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. The described embodiments of the application are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present application based on the spirit of the present application.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front", "rear", "inner", "outer", "right", "left", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be a fixed connection, may be a removable connection, or an integral connection, may be a mechanical connection or an electrical connection, may be a direct connection or may be an indirect connection via an intermediary, or may be a communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment:
as shown in fig. 4 or 5, the technical scheme of the invention provides a hydraulic motor which is used as a part of a power generation device of an underground coal mine electric hydraulic control system and comprises a pump shell 2, a motor rotor 3 and a hydraulic nozzle 6.
The pump shell 2 is a stepped cylindrical casting part and comprises a first-order hollow cylinder 21, a second-order hollow cylinder 22 and a third-order hollow cylinder 23 which are sequentially arranged, wherein the diameter of the first-order hollow cylinder 21 is minimum, the diameter of the third-order hollow cylinder 23 is maximum, the diameter of the second-order hollow cylinder 22 is smaller than that of the third-order hollow cylinder 23 and larger than that of the first-order hollow cylinder 21, a liquid inlet 24 is formed in one end, far away from the third-order hollow cylinder 23, of the first-order hollow cylinder 21, a supporting tube 25 is formed in one end, far away from the first-order hollow cylinder 21, of the third-order hollow cylinder 23, a liquid storage cavity 27 is formed in the third-order hollow cylinder 23, a first liquid outlet 26 is formed in the side wall of the third-order hollow cylinder 23, the liquid storage cavity 27 is communicated with the first liquid outlet 26, the liquid storage cavity 27 is used for collecting liquid sprayed by the hydraulic nozzle 6 to the direction of the first liquid outlet 26, the liquid sprayed by the hydraulic nozzle 6 is discharged out of the whole device, and the inside of the pump shell 2 is hollow.
The motor rotor 3 is arranged in the pump shell 2, and the motor rotor 3 comprises a liquid inlet end 31, a liquid outlet end 32 and a power output end 33 which are sequentially connected, wherein the liquid inlet end 31 is arranged in the second-order hollow cylinder 22, the liquid outlet end 32 is arranged in the liquid storage cavity 27, and the outer wall of the liquid inlet end 31 at the port far away from the liquid outlet end 32 is in sealing connection with the inner wall of the pump shell 2 through a sealing piece 1 so as to prevent high-pressure liquid from leaking from a gap between the liquid inlet end 31 and the pump shell 2;
The liquid outlet end 32 is provided with a power output end 33 far away from the liquid inlet end 31, the power output end 33 at least comprises a section of power output shaft, the power output shaft comprises a primary power output shaft 331, a secondary power output shaft 332 and a final power output shaft 333, the primary power output shaft 331 is in sealing connection with the inner wall of the pump shell 2 through a sealing piece 1, the sealing piece is used for preventing high-pressure liquid from leaking from a gap between the power output end 33 and the pump shell 2, the final power output shaft 333 is connected with the supporting tube 25 through a bearing 4, the bearing 4 supports the power output end 33, the sealing piece 1 is arranged between the secondary power output shaft 332 and the pump shell 2, and the power output end 33 penetrates through the supporting tube 25to extend out to the external space and be connected with a load;
The liquid inlet end 31 is internally provided with a liquid inlet cavity 34, the liquid inlet cavity 34 is connected with the liquid inlet 24, the liquid outlet end 32 is internally provided with a liquid outlet cavity 35, the liquid outlet cavity 35 is communicated with the liquid inlet cavity 34, the outer surface of the liquid outlet end 32 is provided with hydraulic nozzles 6 at equal intervals along the axial direction, the inner cavity of each hydraulic nozzle 6 is communicated with the liquid outlet cavity 35 and is used for spraying high-pressure liquid entering the liquid outlet cavity 35, the liquid spraying direction of each hydraulic nozzle 6 is tangential to the circumference, the hydraulic nozzles 6 are second liquid outlets, and the direction of each second liquid outlet is perpendicular to the power output end 33.
A bearing 4 is arranged between the outer wall of one end of the liquid inlet end 31, which is close to the liquid outlet end 32, and the second-order hollow cylinder 22.
When high-pressure liquid enters the internal cavity of the motor rotor 3 from the liquid inlet 24, the liquid flows out from the hydraulic nozzle 6 under the action of pressure, and because the second liquid outlet direction of the hydraulic nozzle 6 is vertical to the power output end 33, a moment rotating around the shaft is formed, so that the motor rotor 3 rotates, torque power is output by the power output end 33 to drive a load, the sprayed liquid flows out from the first liquid outlet 26, a shaft shoulder 36 is arranged in the middle position of the power output end 33, and the cross section area of the liquid inlet 24 is equal to the area of the shaft shoulder 36, so that the axial force acting on the bearing 4 is relieved, and the hydraulic pressure acting on the shaft is eliminated.
Second embodiment:
the embodiment provides a working method of a hydraulic motor, which comprises the following steps of:
S1, high-pressure liquid enters the liquid inlet cavity 34 from the liquid inlet 24;
s2, high-pressure liquid in the liquid inlet cavity 34 enters the liquid outlet cavity 35 along a pipeline of the liquid inlet cavity 34;
s3, high-pressure liquid is sprayed out of the hydraulic nozzle 6 under the action of pressure and enters the liquid storage cavity 27, and when the high-pressure liquid is sprayed out of the hydraulic nozzle 6, a moment rotating around a shaft is formed to drive the motor rotor 3 to rotate, torque power is output by the power output end 33, and then a load is driven;
and S4, the oil in the liquid storage cavity 27 is converged to the first liquid outlet 26 along the inner wall of the liquid storage cavity 27 under the action of gravity, and is discharged out of the whole device through the first liquid outlet 26.
Compared with the prior art, the invention has the beneficial effects that at least:
(1) The hydraulic motor provided by the invention has small volume, the flow and the used medium can meet the requirements of motor parameters required by a coal mine underground power generation system, the requirements on impurities in liquid are low, fine filtration is not needed, and the hydraulic motor can be applied to occasions with fixed hydraulic sources and small rotation power;
(2) The motor rotor designed by the invention rotates through the high-pressure liquid sprayed out of the hydraulic nozzle, so that the abrasion is reduced, and the service life is prolonged;
(3) The whole device has simple structure and low cost;
(4) The application also designs the shaft shoulder, the cross section area of the shaft shoulder is equal to that of the liquid inlet, and the axial force acting on the bearing can be lightened, and the hydraulic force acting on the bearing in the axial direction can be eliminated.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present invention without departing from the spirit and scope of the present invention, and any modifications and equivalents are intended to be included in the scope of the claims of the present invention.
Claims (10)
1. A hydraulic motor comprises a pump shell (2), a motor rotor (3) and a hydraulic nozzle (6), and is characterized in that:
The pump casing (2) is in a stepped cylindrical shape, the inside of the pump casing (2) is hollow, one end of the pump casing (2) is provided with a liquid inlet (24), the other end of the pump casing (2) is provided with a supporting pipe (25), the middle part of the pump casing (2) is provided with a liquid storage cavity (27), the bottom of the pump casing (2) is provided with a first liquid outlet (26), and the liquid storage cavity (27) is communicated with the first liquid outlet (26);
The motor rotor (3) is arranged in the pump shell (2), the motor rotor (3) comprises a liquid inlet end (31), a liquid outlet end (32) and a power output end (33) which are sequentially connected, the power output end (33) at least comprises a section of power output shaft, and the power output end (33) penetrates through the supporting tube (25) and stretches out of the external space;
The liquid inlet end (31) is internally provided with a liquid inlet cavity (34), the liquid inlet cavity (34) is connected with the liquid inlet (24), the liquid outlet end (32) is internally provided with a liquid outlet cavity (35), the liquid outlet cavity (35) is communicated with the liquid inlet cavity (34), the outer surface of the liquid outlet end (32) is provided with hydraulic nozzles (6) at equal intervals along the axial direction, and the inner cavity of the hydraulic nozzles (6) is communicated with the liquid outlet cavity (35) and is used for spraying high-pressure liquid entering the liquid outlet cavity (35).
2. A hydraulic motor as claimed in claim 1, wherein:
The pump shell (2) comprises a first-order hollow cylinder (21), a second-order hollow cylinder (22) and a third-order hollow cylinder (23) which are sequentially arranged, wherein the diameter of the first-order hollow cylinder (21) is minimum, the diameter of the third-order hollow cylinder (23) is maximum, and the diameter of the second-order hollow cylinder (22) is smaller than the diameter of the third-order hollow cylinder (23) and larger than the diameter of the first-order hollow cylinder (21).
3. A hydraulic motor as claimed in claim 2, wherein:
The liquid inlet (24) is positioned at one end of the first-order hollow cylinder (21) far away from the third-order hollow cylinder (23), and the supporting tube (25) is positioned at one end of the third-order hollow cylinder (23) far away from the first-order hollow cylinder (21).
4. A hydraulic motor as claimed in claim 2, wherein:
The liquid storage cavity (27) is positioned inside the third-order hollow cylinder (23), and the first liquid outlet (26) is positioned on the side wall of the third-order hollow cylinder (23) and is used for discharging liquid sprayed by the hydraulic nozzle (6) out of the whole device.
5. A hydraulic motor as claimed in claim 1, wherein:
The liquid spraying direction of the hydraulic nozzle (6) is tangential to the circumference, the hydraulic nozzle (6) is a second liquid outlet, and the direction of the second liquid outlet is perpendicular to the power output end (33).
6. A hydraulic motor as claimed in claim 1, wherein:
The middle position of the power output end (33) is provided with a shaft shoulder (36), the cross section area of the liquid inlet (24) is equal to the area of the shaft shoulder (36), and the power output end is used for relieving the axial force acting on the bearing (4) and eliminating the hydraulic force acting axially.
7. A hydraulic motor as claimed in claim 1, wherein:
The power output shaft comprises a primary power output shaft (331), a secondary power output shaft (332) and a final power output shaft (333), and a sealing piece (1) is arranged between the secondary power output shaft (332) and the pump shell (2);
The primary power output shaft (331) is in sealing connection with the inner wall of the pump shell (2) through the sealing piece (1) and is used for preventing high-pressure liquid from leaking from a gap between the power output end (33) and the pump shell (2).
8. A hydraulic motor as claimed in claim 1, wherein:
the outer wall of the port of the liquid inlet end (31) far away from the liquid outlet end (32) is in sealing connection with the inner wall of the pump shell (2) through the sealing piece (1) and is used for preventing high-pressure liquid from leaking from a gap between the liquid inlet end (31) and the pump shell (2).
9. A hydraulic motor as recited in claim 7 wherein:
The support tube (25) is connected with the final power output shaft (333) through a bearing (4), and the bearing (4) plays a supporting role on the power output end (33);
a bearing (4) is arranged between the outer wall of one end of the liquid inlet end (31) close to the liquid outlet end (32) and the second-order hollow cylinder (22).
10. The working method of the hydraulic motor is characterized by comprising the following steps of:
a hydraulic motor according to any one of claims 1-9, comprising the steps of:
The high-pressure liquid enters the liquid inlet cavity (34) from the liquid inlet (24);
the high-pressure liquid in the liquid inlet cavity (34) enters the liquid outlet cavity (35) along the pipeline of the liquid inlet cavity (34);
The high-pressure liquid is sprayed out of the hydraulic nozzle (6) under the action of pressure and enters the liquid storage cavity (27), and when the high-pressure liquid is sprayed out of the hydraulic nozzle (6), a moment rotating around a shaft is formed to drive the motor rotor (3) to rotate, torque power is output by the power output end (33), and then a load is driven;
the oil in the liquid storage cavity (27) is converged to the first liquid outlet (26) along the inner wall of the liquid storage cavity (27) under the action of gravity, and is discharged out of the whole device through the first liquid outlet (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510461986.0A CN120273839A (en) | 2025-04-14 | 2025-04-14 | Hydraulic motor and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510461986.0A CN120273839A (en) | 2025-04-14 | 2025-04-14 | Hydraulic motor and working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120273839A true CN120273839A (en) | 2025-07-08 |
Family
ID=96238428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510461986.0A Pending CN120273839A (en) | 2025-04-14 | 2025-04-14 | Hydraulic motor and working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120273839A (en) |
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2025
- 2025-04-14 CN CN202510461986.0A patent/CN120273839A/en active Pending
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