Hydraulic motor housing structure

Abstract

The present invention relates to the technical field of hydraulic motors, and in particular to a hydraulic motor housing structure, comprising a motor main housing, one end of the motor main housing is connected to a housing end cover by bolts, the other end of the motor main housing is connected to a housing base by bolts, a rotation counting structure is connected to the side wall of the housing end cover, and a lubricating oil adding structure is connected to the end faces of the housing end cover and the housing base. The present invention arranges a rotation counting structure and a cooling structure in the hydraulic motor housing structure, thereby utilizing an infrared sensor in the rotation counting structure to control an electric control valve in the cooling structure to inject coolant into a corrugated cooling pipe, so that during the use of the hydraulic motor housing structure, circulating coolant can be injected into the corrugated cooling pipe according to the rotation rate of a motor drive shaft, thereby cooling the hydraulic oil, thereby solving the problem of not being able to cool automatically.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic motors, and in particular to a hydraulic motor housing structure. Background Art

[0002] When the blades on the rotor of a vane-type hydraulic motor slide on the inner wall of the stator, the friction between the blades and the inner wall of the stator is static friction, even if there is lubrication of high-pressure oil inside; when the stator rotates at a high speed, the hydraulic oil will heat up under the action of friction, which will affect the service life of various components in the motor.

[0003] After long-term use, the friction between the various components in the motor and between the various components and the motor housing will increase, and the lubricating oil will gradually dry up, thereby accelerating the damage of the various components and affecting the service life of the motor; at the same time, when adding lubricating oil, adding too much will cause the lubricating oil to overflow, and adding too little will affect the service life of the various components. Summary of the invention

[0004] The invention provides a hydraulic motor housing structure, which is capable of automatically controlling the cooling of coolant, automatically adding lubricating oil and controlling the injection amount of lubricating oil.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The hydraulic motor housing structure includes a motor main housing, one end of the motor main housing is connected to a housing end cover by bolts, the other end of the motor main housing is connected to a housing base by bolts, a rotation counting structure is connected to the side wall of the housing end cover, a lubricating oil adding structure is connected to the end faces of the housing end cover and the housing base, and a cooling structure is symmetrically connected in the inner cavity of the motor main housing.

[0007] The rotation counting structure includes a connecting shell, which is connected to the side wall of the shell end cover, a counting turntable is connected to the inner cavity of the connecting shell, an axis connecting hole is opened at the center of the counting turntable, a pin key is arranged on the side wall of the axis connecting hole, a fixing bracket is connected in the inner cavity of the connecting shell and located on one side of the counting turntable, an infrared sensor is connected to the fixing bracket, and two groups of sensor cutting holes are arranged on the counting turntable and corresponding to the infrared sensor.

[0008] The lubricating oil adding structure comprises a fixed box body, the fixed box body is connected to the end face of the shell end cover and the shell base, a fixed connecting plate is connected in the inner cavity of the fixed box body, a driving motor is connected in the inner cavity of the fixed box body and on the end face of the fixed connecting plate through a connecting box, the driving motor is connected to a driving rod through a coupling, a driving gear is connected to the side wall of the driving rod, a driven gear is meshedly connected to the side wall of the driving gear, a rotating shaft is connected at the center of the driven gear, a driving screw is connected at the center of the rotating shaft, and the bottom of the driving screw is connected to A movable piston is connected, a connecting bracket is connected on the end surface of the fixed connecting plate and located on one side of the driven gear, an infrared probe is connected to the connecting bracket, two groups of probe cutting holes are arranged on the end surface of the driven gear and corresponding to the infrared probe, an oil storage tank is connected to the bottom of the fixed connecting plate and located on the outside of the movable piston, a refueling pipe is connected to the side wall of the oil storage tank, the other end of the refueling pipe passes through the end surface of the connecting shell and is connected to a sealing end cover, an annular oil filling pipe is connected to the bottom of the oil storage tank, and oil outlets are symmetrically arranged on the side wall of the annular oil filling pipe.

[0009] The cooling structure comprises an electric control valve, which is connected to the side wall of the motor main housing via a connecting plate. A corrugated cooling pipe is connected to the electric control valve, and the corrugated cooling pipe is arranged in the inner cavity of the motor main housing.

[0010] As a preferred solution of the present invention, the driving motor is connected to the infrared sensor via a wire and the connection is electrical.

[0011] As a preferred solution of the present invention, the driving rod is connected to the end surface of the connecting box on the end surface of the fixed connecting plate through a bearing seat, wherein the connection between the driving rod and the bearing seat is a rotational connection.

[0012] As a preferred solution of the present invention, the rotating shaft is connected to the end face of the fixed connecting plate through a bearing seat, wherein the connection mode between the rotating shaft and the bearing seat is a rotating connection.

[0013] As a preferred solution of the present invention, the rotating shaft is connected to the driving screw by threaded connection, and the infrared probe is connected to the driving motor by a wire and the connection is electrical connection.

[0014] As a preferred solution of the present invention, the probe cutting holes are arranged in two groups and are symmetrically opened on the end face of the driven gear, and the movable piston is connected to the inner wall of the oil storage tank by a sliding connection.

[0015] As a preferred solution of the present invention, the connection between the oil filling pipe and the sealing end cover is a threaded connection, and the annular oil filling pipe is arranged in the inner cavity of the shell end cover and the shell base.

[0016] As a preferred solution of the present invention, the electric control valve is connected to the infrared sensor through a wire and the connection method is electrical connection. A connecting groove is provided in the inner cavity of the motor main shell and corresponds to the corrugated cooling pipe, and the matching method between the corrugated cooling pipe and the connecting groove is a clearance fit.

[0017] The present invention provides a rotation counting structure and a lubricating oil adding structure, thereby utilizing an infrared sensor in the rotation counting structure to control a driving motor in the lubricating oil adding structure to add lubricating oil into the inner cavity of a motor housing through a transmission structure. Lubricating oil can be added to the components in the motor housing at a regular time according to the number of revolutions of the main shaft, thereby reducing friction between the components and between the components and the motor housing, thereby increasing the service life of the motor housing and the components, and solving the problem that lubricating oil cannot be added automatically.

[0018] The design of using the infrared sensor in the rotation counting structure to control the electric control valve in the cooling structure to inject coolant into the corrugated cooling pipe can inject circulating coolant into the corrugated cooling pipe according to the rotation rate of the motor drive shaft, thereby cooling the hydraulic oil.

[0019] The design of using the infrared probe in the lubricating oil adding structure to control the number of rotations of the driving motor and then control the quality of the injected lubricating oil can control the quality of the injected lubricating oil, making the injection process more reasonable and reducing the possibility of lubricating oil overflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the positive side structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 Schematic diagram of the cross-section structure;

[0022] Figure 3 It is a schematic diagram of the rotation counting structure of the present invention;

[0023] Figure 4 For the present invention Figure 3 Schematic diagram of the internal structure;

[0024] Figure 5 This is a schematic diagram of the lubricating oil adding structure of the present invention;

[0025] Figure 6 For the present invention Figure 5 Schematic diagram of the cross-section structure;

[0026] Figure 7 For the present invention Figure 5 Schematic diagram of the internal structure;

[0027] Figure 8 For the present invention Figure 7 Schematic diagram of the cross-section structure;

[0028] Fig. 9 It is a schematic diagram of the cooling structure of the present invention.

[0029] In the figure: 1. main motor housing; 2. housing end cover; 3. housing base; 4. rotation counting structure; 5. lubricating oil adding structure; 6. cooling structure; 401. connecting housing; 402. counting turntable; 403. shaft connecting hole; 404. pin key; 405. fixing bracket; 406. infrared sensor; 407. sensor cutting hole; 501. fixing housing; 502. fixing connecting plate; 503. driving motor; 504. driving rod; 505. driving gear; 506. driven gear; 507. rotating shaft; 508. driving screw; 509. moving piston; 510. connecting bracket; 511. infrared probe; 512. probe cutting hole; 513. oil storage tank; 514. filling pipe; 515. sealing end cover; 516. annular oil filling pipe; 517. oil outlet; 601. electric control valve; 602. corrugated cooling pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] For example, please refer to Figure 1-9 A hydraulic motor housing structure shown includes a motor main housing 1, one end of the motor main housing 1 is connected to a housing end cover 2 by bolts, the other end of the motor main housing 1 is connected to a housing base 3 by bolts, a rotation counting structure 4 is connected to the side wall of the housing end cover 2, a lubricating oil adding structure 5 is connected to the end surfaces of the housing end cover 2 and the housing base 3, and a cooling structure 6 is symmetrically connected in the inner cavity of the motor main housing 1.

[0032] For example, please refer to Figure 1-4The rotation counting structure 4 includes a connecting shell 401, which is connected to the side wall of the shell end cover 2. A counting turntable 402 is connected to the inner cavity of the connecting shell 401. An axis connecting hole 403 is opened at the center of the counting turntable 402. A pin key 404 is provided on the side wall of the axis connecting hole 403 to fix the counting turntable 402 on the driving shaft of the motor. A fixing bracket 405 is connected in the inner cavity of the connecting shell 401 and located on one side of the counting turntable 402. An infrared sensor 406 is connected to the fixing bracket 405. Two groups of sensor cutting holes 407 are provided on the counting turntable 402 corresponding to the infrared sensor 406. When the counting turntable 402 rotates, it cuts the infrared sensor 406, thereby measuring the corresponding number of rotations and the corresponding speed of the motor main shaft, so that it can be maintained and repaired in time during use.

[0033] Among them, the shaft connecting hole 403 is set corresponding to the main shaft of the motor, and the matching mode of the shaft connecting hole 403 and the main shaft of the motor is a clearance fit. The pin key 404 is set corresponding to the keyway of the main shaft of the motor, and the matching mode of the pin key 404 and the keyway of the main shaft of the motor is a clearance fit. The sensor cutting hole 407 is set as two groups and is symmetrically opened on the end face of the counting turntable 402, which makes it more convenient to assemble the counting turntable 402 and the motor driving shaft during use.

[0034] For example, please refer to Figure 1 , Figure 2 and Figure 5-7 The lubricating oil adding structure 5 includes a fixed box body 501, which is connected to the end faces of the housing end cover 2 and the housing base 3. A fixed connecting plate 502 is connected to the inner cavity of the fixed box body 501. The driving motor 503 is started under the condition that the inner cavity of the fixed box body 501 and the end face of the fixed connecting plate 502 are connected through the connecting box, so that the driving end of the driving motor 503 rotates. Under the condition that the driving motor 503 is connected to the driving rod 504 through the coupling, the driving rod 504 is driven to rotate. A driving gear is connected to the side wall of the driving rod 504. Wheel 505, under the condition that the driven gear 506 is meshedly connected to the side wall of the driving gear 505, the driven gear 506 is driven to rotate. Under the condition that the center of the driven gear 506 is connected to the rotating shaft 507, the rotating shaft 507 is driven to rotate. Under the condition that the center of the rotating shaft 507 is connected to a driving screw rod 508, the driving screw rod 508 is moved up and down. Under the condition that a moving piston 509 is connected to the bottom of the driving screw rod 508, the moving piston 509 is driven to move up and down, thereby injecting lubricating oil into the components of the inner cavity of the motor housing, thereby lubricating the components.

[0035] The driving motor 503 is connected to the infrared sensor 406 through a wire and the connection method is an electrical connection design, so that the driving motor 503 can be started by the infrared sensor 406, which makes the startup more convenient, and the driving rod 504 is connected to the end face of the connecting box on the end face of the fixed connecting plate 502 through the bearing seat, wherein the driving rod 504 is connected to the bearing seat in a rotating connection, and the rotating shaft 507 is connected to the end face of the fixed connecting plate 502 through the bearing seat, wherein the rotating shaft 507 is connected to the bearing seat in a rotating connection, and the rotating shaft 507 is connected to the driving screw 508 in a threaded connection design, so that when the device is in use, it runs more smoothly.

[0036] For example, please refer to Figure 1 , Figure 2 and Figure 5-8 At the same time, a connecting bracket 510 is connected to the end surface of the fixed connecting plate 502 and located on one side of the driven gear 506, and an infrared probe 511 is connected to the connecting bracket 510. Two sets of probe cutting holes 512 are provided on the end surface of the driven gear 506 and correspond to the infrared probe 511. Under the condition that the driven gear 506 cuts the infrared probe 511, the mass of the lubricating oil injected is calculated, so as to control the rotation of the driving motor 503. The outer side of the movable piston 509 is connected to an oil storage tank 513, and a filling pipe 514 is connected to the side wall of the oil storage tank 513. The other end of the filling pipe 514 passes through the end face of the connecting shell 401 and is connected to a sealing end cover 515, so that new lubricating oil can be added through the filling pipe 514. An annular oil filling pipe 516 is connected to the bottom of the oil storage tank 513, and oil outlets 517 are symmetrically arranged on the side wall of the annular oil filling pipe 516, so that the lubricating oil can be more conveniently injected into the inner cavity of the motor shell.

[0037] The infrared probe 511 is connected to the driving motor 503 through a wire and the connection method is an electrical connection, so that the infrared probe 511 can control the driving motor 503 after a preset value. The probe cutting holes 512 are set to two groups and are symmetrically opened on the end face of the driven gear 506, so that the infrared probe 511 can cut the infrared rays when rotating, thereby controlling the driving motor 503. The connection method between the refueling pipe 514 and the sealing end cover 515 is a threaded connection design, which is convenient for adding lubricating oil.

[0038] For example, please refer to Figure 1 , Figure 2 and Fig. 9, under the condition that the cooling structure 6 includes an electric control valve 601, the electric control valve 601 is connected to the side wall of the motor main housing 1 through a connecting plate, the electric control valve 601 is started, a corrugated cooling pipe 602 is connected to the electric control valve 601, and the corrugated cooling pipe 602 is arranged in the inner cavity of the motor main housing 1, so that the coolant circulates in the corrugated cooling pipe 602, thereby having a good cooling effect on the hydraulic oil in the motor housing;.

[0039] Under the condition that the electric control valve 601 is connected to the infrared sensor 406 through a wire and the connection method is electrical connection, it is convenient for the infrared sensor 406 to control the electric control valve 601, and a connecting groove is provided in the inner cavity of the motor main shell 1 and corresponds to the corrugated cooling pipe 602, wherein the matching method of the corrugated cooling pipe 602 and the connecting groove is a clearance fit design, which improves the cooling effect of the hydraulic oil when the device is in use.

[0040] When using the hydraulic motor housing structure, first assemble the motor and turn on the power supply so that the device is in working state, then the shaft connecting hole 403 is set corresponding to the main shaft of the motor, wherein the matching mode of the shaft connecting hole 403 and the main shaft of the motor is clearance matching, the pin key 404 is set corresponding to the keyway of the main shaft of the motor, wherein the matching mode of the pin key 404 and the keyway of the main shaft of the motor is clearance matching, and the counting turntable 402 is fixed on the driving shaft of the motor under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed under the condition that the counting turntable 402 is fixed with two groups of sensor cutting holes 407 corresponding to the infrared sensor 406, and the infrared sensor 406 is cut by the sensor cutting holes 407 on the end face of the counting turntable 402, so that the infrared sensor 406 obtains the number of revolutions and the rotation rate of the motor driving shaft.

[0041] After reaching a predetermined number of rotations, the driving motor 503 is started under the condition that the driving motor 503 is connected to the infrared sensor 406 through a wire and the connection method is an electrical connection, so that the driving end of the driving motor 503 rotates, and the driving rod 504 is connected to the end face of the connecting box on the end face of the fixed connecting plate 502 through a bearing seat, and the driving rod 504 is driven to rotate under the condition that the connection method between the driving rod 504 and the bearing seat is a rotational connection, and a driving gear 505 is connected to the side wall of the driving rod 504, and the side wall of the driving gear 505 is meshed with a driven gear 506, which drives the driving gear 505 to rotate, and the rotating shaft 507 is connected to the end face of the fixed connecting plate 502 through a bearing seat, and the connection method between the rotating shaft 507 and the bearing seat is a rotational connection, which drives the rotating shaft 507 to rotate, and the rotating shaft 507 and the driving The movable screw 508 is connected in a threaded manner, and the movable piston 509 is connected to the inner wall of the oil storage tank 513 in a sliding manner, so that the movable piston 509 moves downward in the oil storage tank 513, thereby pressing the lubricating oil into the bearing in the inner cavity of the motor housing, thereby reducing the friction inside the bearing. In the process of the movable piston 509 being pressed downward, a connecting bracket 510 is connected on the end face of the fixed connecting plate 502 and on one side of the driven gear 506, and an infrared probe 511 is connected to the connecting bracket 510. Under the condition that two groups of probe cutting holes 512 are provided on the end face of the driven gear 506 and correspond to the infrared probe 511, the infrared probe 511 is cut by the probe cutting hole 512 on the end face of the driven gear 506, so that the infrared probe 511 obtains the number of rotations of the driven gear 506, and then obtains the mass of the lubricating oil injected.

[0042] After injecting the preset mass, the infrared probe 511 is connected to the driving motor 503 through a wire and the connection method is electrical connection, so as to control the rotation of the driving motor 503. After the lubricating oil is used up and the connection method between the filling pipe 514 and the sealing end cover 515 is threaded connection, the sealing end cover 515 is opened, and then new lubricating oil is added, and then the sealing end cover 515 is sealed and put into use again.

[0043] After reaching the preset rotation speed of the motor drive shaft, the electric control valve 601 is connected to the infrared sensor 406 through a wire and the connection method is electrical connection, thereby opening the electric control valve 601, and then injecting coolant into the corrugated cooling pipe 602 through the water pump connected to the other side of the electric control valve 601, thereby cooling the hydraulic oil in the motor housing and reducing the temperature of the hydraulic oil.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic motor housing structure, comprising a motor main housing (1), characterized in that: One end of the motor main housing (1) is connected to a housing end cover (2) by bolts, and the other end of the motor main housing (1) is connected to a housing base (3) by bolts, a rotation counting structure (4) is connected to the side wall of the housing end cover (2), and a lubricating oil adding structure (5) is connected to the end surfaces of the housing end cover (2) and the housing base (3), and a cooling structure (6) is symmetrically connected in the inner cavity of the motor main housing (1); The lubricating oil adding structure (5) comprises a fixed box (501), wherein the fixed box (501) is connected to the end surfaces of the housing end cover (2) and the housing base (3), a fixed connecting plate (502) is connected to the inner cavity of the fixed box (501), a driving motor (503) is connected to the inner cavity of the fixed box (501) and on the end surface of the fixed connecting plate (502) through a connecting box, the driving motor (503) is connected to a driving rod (504) through a coupling, a driving gear (505) is connected to the side wall of the driving rod (504), a driven gear (506) is meshedly connected to the side wall of the driving gear (505), a rotating shaft (507) is connected to the center of the driven gear (506), a driving screw (508) is connected to the center of the rotating shaft (507), and a moving screw (508) is connected to the bottom of the driving screw (508). A movable piston (509); a connecting bracket (510) is connected on the end surface of the fixed connecting plate (502) and located on one side of the driven gear (506); an infrared probe (511) is connected to the connecting bracket (510); two groups of probe cutting holes (512) are arranged on the end surface of the driven gear (506) and corresponding to the infrared probe (511); an oil storage tank (513) is connected at the bottom of the fixed connecting plate (502) and located on the outside of the movable piston (509); a refueling pipe (514) is connected to the side wall of the oil storage tank (513); the other end of the refueling pipe (514) passes through the end surface of the connecting shell (401) and is connected to a sealing end cover (515); an annular oil filling pipe (516) is connected to the bottom of the oil storage tank (513); and oil outlets (517) are symmetrically arranged on the side wall of the annular oil filling pipe (516); The rotation counting structure (4) comprises a connecting shell (401), the connecting shell (401) being connected to the side wall of the shell end cover (2), a counting turntable (402) being connected to the inner cavity of the connecting shell (401), an axis connecting hole (403) being provided at the center of the counting turntable (402), a pin key (404) being provided on the side wall of the axis connecting hole (403), a fixing bracket (405) being connected to the inner cavity of the connecting shell (401) and located on one side of the counting turntable (402), an infrared sensor (406) being connected to the fixing bracket (405), and two groups of sensor cutting holes (407) being provided on the counting turntable (402) and corresponding to the infrared sensor (406); The driving rod (504) is connected to the end surface of the connection box on the end surface of the fixed connection plate (502) through a bearing seat, wherein the driving rod (504) and the bearing seat are connected in a rotational manner; The rotating shaft (507) is connected to the end surface of the fixed connecting plate (502) via a bearing seat, wherein the rotating shaft (507) and the bearing seat are connected in a rotating manner; The rotating shaft (507) and the driving screw rod (508) are connected in a threaded manner, and the infrared probe (511) is connected to the driving motor (503) via a wire and the connection is electrical.

2. The hydraulic motor housing structure according to claim 1, characterized in that: The oil filling pipe (514) and the sealing end cover (515) are connected in a threaded manner, and the annular oil filling pipe (516) is arranged in the inner cavity of the housing end cover (2) and the housing base (3).

3. The hydraulic motor housing structure according to claim 1, characterized in that: The cooling structure (6) comprises an electric control valve (601), the electric control valve (601) being connected to a side wall of a motor main housing (1) via a connecting plate, the electric control valve (601) being connected to a corrugated cooling pipe (602), the corrugated cooling pipe (602) being arranged in an inner cavity of the motor main housing (1); The electric control valve (601) is connected to the infrared sensor (406) via a wire and the connection method is electrical connection. A connecting groove is provided in the inner cavity of the motor main housing (1) and corresponds to the corrugated cooling pipe (602), wherein the matching method between the corrugated cooling pipe (602) and the connecting groove is clearance matching.

Images