CN110410314B

CN110410314B - Aviation hydraulic pump

Info

Publication number: CN110410314B
Application number: CN201910738410.9A
Authority: CN
Inventors: 倪宇佩; 李祥至
Original assignee: Yantai Zhongyu Aerohydraulic Co ltd
Current assignee: Yantai Zhongyu Aerohydraulic Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2021-01-08
Anticipated expiration: 2039-08-12
Also published as: CN110410314A

Abstract

The invention belongs to the technical field of hydraulic pumps, in particular to an aviation hydraulic pump, and provides a scheme for overcoming the defects that the vibration generated by an existing motor is large, a bolt joint is greatly influenced by the vibration and is easy to loosen in the process of pumping and driving hydraulic oil, and a protective cover can influence the installation and use of the motor in the process of driving the hydraulic pump. According to the aviation hydraulic pump, the vibration generated in the driving process can be quickly counteracted by the two buffer springs, so that the influence of the vibration on the hydraulic pump body is obviously reduced, the fixing of the protective cover can be released by rotating the knob, the protective cover is rotated and opened, the overhaul or maintenance of the hydraulic pump body is facilitated, and the use is convenient.

Description

Aviation hydraulic pump

Technical Field

The invention relates to the technical field of hydraulic pumps, in particular to an aviation hydraulic pump.

Background

The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank to form pressure oil, discharges the pressure oil and sends the pressure oil to an element of an execution element, the hydraulic pump is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure, in the last sixty years, statistical data of China shows that the number of times of airplane crashes caused by pipeline faults of civil aircrafts, military aircrafts and the like accounts for 60 percent of the total number of crashes, and is influenced by space layout limitations, the aviation hydraulic pipeline system has the characteristics of large number of pipelines, complex space configuration, load superposition and the like, and the fault rate of pipeline failures of the existing aircrafts (including engines) in China accounts for 52 percent of the component faults.

Aviation hydraulic pump among the prior art all is fixed mounting on unable adjustment base in the use, and the motor is at the pumping hydraulic oil provides the in-process of drive, and the vibrations of production are great, and bolted connection department receives vibrations influence great and easy not hard up, and hydraulic pump drive in-process protection casing can influence the installation use of motor, consequently has the space of improving.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, the vibration generated is large, the bolt connection part is greatly influenced by the vibration and is easy to loosen in the process of pumping and supplying drive by a motor, and a protective cover influences the installation and use of the motor in the process of driving a hydraulic pump.

In order to achieve the purpose, the invention adopts the following technical scheme:

an aviation hydraulic pump comprises a placing seat, wherein a mounting plate is movably mounted on the top side of the placing seat, a hydraulic pump body is fixedly mounted on the top side of the mounting plate, a protective cover is rotatably mounted on the top side of the placing seat, a cooling fan is fixedly mounted on the bottom side of the protective cover, the cooling fan is matched with the hydraulic pump body, a mounting groove is formed in the top side of the placing seat, the bottom side of the protective cover extends into the mounting groove, an adjusting cavity formed in the placing seat is arranged on one side, away from the hydraulic pump body, of the mounting groove, a moving hole and a fastening hole are formed in the inner wall of one side, close to the mounting groove, of the adjusting cavity, the moving hole is located below the fastening hole, a moving plate is movably mounted in the moving hole, two sides of the moving plate extend out of the moving, the both ends of adjusting the post all extend to outside the regulation hole, the top fixed mounting who adjusts the post has the knob, one side fixed mounting that the regulation post is close to the mounting groove has the dwang that is located the regulation intracavity, the one end of dwang is rotated and is installed the push-and-pull rod, the one end of push-and-pull rod is rotated and is installed the anchorage bar, the fastening groove that is located the mounting groove is seted up to one side that the protection casing is close to the regulation chamber, the one end of anchorage bar runs through the fastening hole and extends.

Preferably, place and seted up the cushion chamber on the seat, seted up the movable hole on the top side inner wall of cushion chamber, the bottom side of mounting panel runs through the movable hole and rotates and install two connecting rods, the both sides of mounting panel all are equipped with movable mounting and the buffer board on the inner wall of cushion chamber bottom side, the bottom of two connecting rods rotates respectively and installs on one side that two buffer boards are close to each other, vibrations that produce in the drive process can be quick offset by two buffer spring to obviously reduce the influence that the hydraulic pump body received vibrations.

Preferably, one side that two buffer boards kept away from each other is fixed mounting respectively has buffer spring's one end, and the one end that two buffer springs kept away from each other is fixed mounting respectively on the both sides inner wall of cushion chamber, has seted up two sliding trays on the bottom side inner wall of cushion chamber, and the bottom side of two buffer boards is sliding mounting respectively in two sliding trays, and is spacing to the buffer board, makes its removal more smooth and easy, and the impact force is commuted, has reduced the height of placing the seat.

Preferably, the bottom side of the moving plate is provided with a sliding hole in the moving hole along the vertical direction, a fixed rod is slidably mounted in the sliding hole, and two ends of the fixed rod are respectively and fixedly mounted on the inner walls of the top side and the bottom side of the moving hole to limit the moving plate, so that the clamping rod is limited.

Preferably, a clamping rod located in the adjusting cavity is fixedly installed on one side of the moving plate, a clamping groove is formed in the bottom side of the fastening rod, and the top end of the clamping rod is matched with the clamping groove, so that the fastening rod is automatically fixed.

Preferably, the bottom fixed mounting who adjusts the post has the ejector pin, and slidable mounting has same slurcam on the both sides inner wall of regulation chamber, and one side of slurcam contacts with the one end of ejector pin, and the slurcam is kept away from one side fixed mounting of movable plate and is had the one end of a plurality of first springs, and the equal fixed mounting of the other end of a plurality of first springs does benefit to the rotation that the automatic realization adjusted the post on the one side inner wall of regulation chamber.

Preferably, all seted up the spacing groove on the both sides inner wall in regulation chamber, equal slidable mounting has the stopper in two spacing inslots, and one side that two stoppers are close to each other is fixed mounting respectively on the both sides of slurcam, and is spacing to the slurcam.

Preferably, the bottom side of the moving plate is fixedly provided with the top end of a second spring, and the bottom end of the second spring is fixedly arranged on the inner wall of the bottom side of the mounting groove, so that the moving plate is favorable for resetting.

Compared with the prior art, the invention has the beneficial effects that:

the motor pumps hydraulic oil to provide large vibration when driving, the hydraulic pump body can swing up and down together with the mounting plate, impact force is quickly counteracted through the arrangement of the two buffer springs, the mounting plate and the hydraulic pump body are quickly reset, and therefore the influence of vibration on the hydraulic pump body is obviously reduced;

the protective cover is arranged to effectively protect the hydraulic pump body, only the knob needs to be rotated, the adjusting column rotates to drive the rotating rod and the ejector rod to rotate, and after the fastening rod is moved out of the fastening groove and is accommodated in the fastening hole, the protective cover can be released from being fixed, and the protective cover is rotated to be opened, so that the hydraulic pump body can be conveniently overhauled or maintained;

according to the aviation hydraulic pump, the vibration generated in the driving process can be quickly counteracted by the two buffer springs, so that the influence of the vibration on the hydraulic pump body is obviously reduced, the fixing of the protective cover can be released by rotating the knob, the protective cover is rotated and opened, the overhaul or maintenance of the hydraulic pump body is facilitated, and the use is convenient.

Drawings

Fig. 1 is a schematic structural diagram of an aviation hydraulic pump according to the present invention;

FIG. 2 is a schematic structural diagram of a portion A of the aero-hydraulic pump of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of a portion A1 in FIG. 2 of the aviation hydraulic pump according to the present invention;

FIG. 4 is a schematic top view of a protective cover for an aviation hydraulic pump according to the present invention;

fig. 5 is a schematic structural diagram of a part B in fig. 4 of an aviation hydraulic pump according to the present invention.

In the figure: the hydraulic pump comprises a placing seat 1, a mounting plate 2, a hydraulic pump body 3, a protective cover 4, a heat radiation fan 5, a mounting groove 6, a regulating cavity 7, a moving plate 8, a moving hole 9, a fixing rod 10, a sliding hole 11, a regulating hole 12, a regulating column 13, a top rod 14, a knob 15, a rotating rod 16, a fastening hole 17, a fastening groove 18, a fastening rod 19, a push-pull rod 20, a clamping groove 21, a clamping rod 22, a pushing plate 23, a limiting groove 24, a limiting block 25, a buffering cavity 26, a movable hole 27, a buffering plate 28, a sliding groove 29, a connecting rod 30, a buffering spring 31 and a first spring 32.

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.

Example one

Referring to fig. 1-5, an aviation hydraulic pump comprises a placing seat 1, a mounting plate 2 is movably mounted on the top side of the placing seat 1, a hydraulic pump body 3 is fixedly mounted on the top side of the mounting plate 2, a protective cover 4 is rotatably mounted on the top side of the placing seat 1, a cooling fan 5 is fixedly mounted on the bottom side of the protective cover 4, the cooling fan 5 is matched with the hydraulic pump body 3, a mounting groove 6 is formed in the top side of the placing seat 1, the bottom side of the protective cover 4 extends into the mounting groove 6, an adjusting cavity 7 formed in the placing seat 1 is arranged on one side, away from the hydraulic pump body 3, of the mounting groove 6, a moving hole 9 and a fastening hole 17 are formed in the inner wall of one side, close to the mounting groove 6, of the adjusting cavity 7, the moving hole 9 is located below the fastening hole 17, a moving plate 8 is movably mounted in the moving, adjust and seted up regulation hole 12 on the top side inner wall of chamber 7, regulation post 13 is installed to regulation 12 internal rotations, the both ends of adjusting post 13 all extend to outside regulation hole 12, the top fixed mounting who adjusts post 13 has knob 15, one side fixed mounting that regulation post 13 is close to mounting groove 6 has dwang 16 that is located the regulation chamber 7, the one end of dwang 16 is rotated and is installed push-and-pull rod 20, the one end of push-and-pull rod 20 is rotated and is installed fastening rod 19, fastening groove 18 that is located mounting groove 6 is seted up to one side that protection casing 4 is close to regulation chamber 7, fastening rod 19's one end runs through fastening hole 17 and extends to in fastening groove 18.

According to the invention, the placing seat 1 is provided with the buffer cavity 26, the inner wall of the top side of the buffer cavity 26 is provided with the movable hole 27, the bottom side of the mounting plate 2 penetrates through the movable hole 27 and is rotatably provided with the two connecting rods 30, the two sides of the mounting plate 2 are respectively provided with the buffer plates 28 movably mounted on the inner wall of the bottom side of the buffer cavity 26, the bottom ends of the two connecting rods 30 are respectively rotatably mounted on one sides of the two buffer plates 28, which are close to each other, vibration generated in the driving process can be quickly counteracted by the two buffer springs 31, and therefore, the influence of vibration on the hydraulic.

In the invention, one end of each buffer spring 31 is fixedly arranged on one side, away from each other, of each buffer plate 28, one end of each buffer spring 31 is fixedly arranged on the inner wall of each of the two sides of the buffer cavity 26, the inner wall of the bottom side of the buffer cavity 26 is provided with the two sliding grooves 29, the bottom sides of the two buffer plates 28 are respectively slidably arranged in the two sliding grooves 29, the buffer plates 28 are limited, the movement of the buffer plates 28 is smoother, the impact force is reversed, and the height of the placing seat 1 is reduced.

In the invention, the bottom side of the moving plate 8 is provided with a sliding hole 11 positioned in the moving hole 9 along the vertical direction, a fixed rod 10 is arranged in the sliding hole 11 in a sliding way, and two ends of the fixed rod 10 are respectively fixedly arranged on the inner walls of the top side and the bottom side of the moving hole 9 to limit the moving plate 8, thereby limiting the clamping rod 22.

In the invention, a clamping rod 22 positioned in the adjusting cavity 7 is fixedly arranged on one side of the moving plate 8, a clamping groove 21 is formed in the bottom side of the fastening rod 19, and the top end of the clamping rod 22 is matched with the clamping groove 21, so that the fastening rod 19 is automatically fixed.

In the invention, the bottom end of the adjusting column 13 is fixedly provided with the ejector rod 14, the inner walls of two sides of the adjusting cavity 7 are slidably provided with the same pushing plate 23, one side of the pushing plate 23 is contacted with one end of the ejector rod 14, one side of the pushing plate 23 far away from the movable plate 8 is fixedly provided with one ends of a plurality of first springs 31, and the other ends of the plurality of first springs 31 are fixedly arranged on the inner wall of one side of the adjusting cavity 7, thereby being beneficial to automatically realizing the rotation of the adjusting column 13.

In the invention, the inner walls of the two sides of the adjusting cavity 7 are respectively provided with a limiting groove 24, the limiting blocks 25 are respectively arranged in the two limiting grooves 24 in a sliding manner, and the sides, close to each other, of the two limiting blocks 25 are respectively fixedly arranged on the two sides of the pushing plate 23 to limit the pushing plate 23.

In the invention, the top end of the second spring is fixedly arranged at the bottom side of the moving plate 8, and the bottom end of the second spring is fixedly arranged on the inner wall of the bottom side of the mounting groove 6, thus being beneficial to the reset of the moving plate 8.

Example two

Referring to fig. 1-5, an aviation hydraulic pump comprises a placing seat 1, a mounting plate 2 is movably mounted on the top side of the placing seat 1, a hydraulic pump body 3 is fixedly mounted on the top side of the mounting plate 2, a protective cover 4 is rotatably mounted on the top side of the placing seat 1, a cooling fan 5 is fixedly mounted on the bottom side of the protective cover 4, the cooling fan 5 is matched with the hydraulic pump body 3, a mounting groove 6 is formed in the top side of the placing seat 1, the bottom side of the protective cover 4 extends into the mounting groove 6, an adjusting cavity 7 formed in the placing seat 1 is arranged on one side, away from the hydraulic pump body 3, of the mounting groove 6, a moving hole 9 and a fastening hole 17 are formed in the inner wall of one side, close to the mounting groove 6, of the adjusting cavity 7, the moving hole 9 is located below the fastening hole 17, a moving plate 8 is movably mounted in the moving, adjust and seted up regulation hole 12 on the top side inner wall of chamber 7, regulation post 13 is installed to regulation 12 internal rotations, the both ends of adjusting post 13 all extend to outside regulation hole 12, there is knob 15 on the top of regulation post 13 through welding mode fixed mounting, there is the dwang 16 that is located regulation chamber 7 one side that regulation post 13 is close to mounting groove 6 through welding mode fixed mounting, the one end of dwang 16 is rotated and is installed push-and-pull rod 20, the one end of push-and-pull rod 20 is rotated and is installed fastening rod 19, fastening groove 18 that is located mounting groove 6 is seted up to one side that protection casing 4 is close to regulation chamber 7, the one end of fastening rod 19 runs through fastening hole 17 and extends to in fastening groove 18.

In the invention, one end of each buffer spring 31 is fixedly arranged on one side, away from each other, of each buffer plate 28, one end of each buffer spring 31 is fixedly arranged on the inner wall of each side of the buffer cavity 26 in a welding mode, one end, away from each other, of each buffer spring 31 is fixedly arranged on the inner wall of each side of the buffer cavity 26 in a welding mode, two sliding grooves 29 are formed in the inner wall of the bottom side of each buffer cavity 26, the bottom sides of the two buffer plates 28 are respectively slidably arranged in the two sliding grooves 29, the buffer plates 28 are limited, the movement of the buffer plates is smoother, the impact force.

In the invention, the bottom side of the moving plate 8 is provided with a sliding hole 11 positioned in the moving hole 9 along the vertical direction, a fixed rod 10 is arranged in the sliding hole 11 in a sliding manner, and two ends of the fixed rod 10 are fixedly arranged on the inner walls of the top side and the bottom side of the moving hole 9 respectively in a welding manner to limit the moving plate 8, thereby limiting the clamping rod 22.

In the invention, a clamping rod 22 positioned in the adjusting cavity 7 is fixedly arranged on one side of the moving plate 8 in a welding mode, a clamping groove 21 is formed in the bottom side of the fastening rod 19, and the top end of the clamping rod 22 is matched with the clamping groove 21, so that the fastening rod 19 is automatically fixed.

In the invention, the bottom end of the adjusting column 13 is fixedly provided with the ejector rod 14 in a welding mode, the inner walls of two sides of the adjusting cavity 7 are slidably provided with the same pushing plate 23, one side of the pushing plate 23 is contacted with one end of the ejector rod 14, one side of the pushing plate 23 far away from the movable plate 8 is fixedly provided with one ends of a plurality of first springs 31 in a welding mode, and the other ends of the plurality of first springs 31 are fixedly arranged on the inner wall of one side of the adjusting cavity 7 in a welding mode, so that the rotation of the adjusting column 13 is automatically realized.

In the invention, the inner walls of the two sides of the adjusting cavity 7 are respectively provided with a limiting groove 24, the limiting blocks 25 are respectively arranged in the two limiting grooves 24 in a sliding manner, and the sides, close to each other, of the two limiting blocks 25 are respectively fixedly arranged on the two sides of the pushing plate 23 in a welding manner to limit the pushing plate 23.

In the invention, the bottom side of the moving plate 8 is fixedly provided with the top end of the second spring in a welding mode, and the bottom end of the second spring is fixedly arranged on the inner wall of the bottom side of the mounting groove 6 in a welding mode, so that the moving plate 8 is favorable for resetting.

In the invention, when the aviation hydraulic pump body 3 is used, the motor of the aviation hydraulic pump body 3 generates large vibration when the motor pumps hydraulic oil to provide driving, the hydraulic pump body 3 and the mounting plate 2 rock up and down together, when the mounting plate 2 moves downwards, the two buffer plates 28 are respectively pushed by the two connecting rods 30, so that the two buffer plates 28 respectively slide in the two sliding grooves 29 and are away from each other, the two buffer springs 31 are compressed to counteract impact force so that the mounting plate 2 and the hydraulic pump body 3 are quickly reset, when the mounting plate 2 moves upwards, the two buffer springs 31 are stretched, thereby obviously reducing the influence of the vibration on the hydraulic pump body 3, the protective cover 4 is arranged to effectively protect the hydraulic pump body 3, the heat radiation fan 5 blows air to radiate the hydraulic pump body, when the hydraulic pump body 3 is overhauled or maintained, the protective cover 4 needs to, the adjusting column 13 rotates to drive the rotating rod 16 and the ejector rod 14 to rotate, the ejector rod 14 drives the pushing plate 23 to move rightwards and compress the first spring 32, the rotating rod 16 pulls the fastening rod 19 through the push-pull rod 20 to enable the fastening rod 19 to move rightwards, the fastening rod 19 moves out of the fastening groove 18 and is accommodated in the fastening hole 17, then the protection cover 4 can be released, the protection cover 4 is rotated to be opened, the movable plate 8 moves upwards to reset under the rebounding action of the second spring, the clamping rod 22 is clamped into the clamping groove 21 moving rightwards along with the fastening rod 19, the fastening rod 19 is automatically fixed, further the knob 15 is automatically fixed, after the protection cover 4 is inserted into the mounting groove 6, the movable plate 8 is pressed downwards, the clamping rod 22 moves downwards and moves out of the clamping groove 21, the pushing plate 23 pushes the ejector rod 14 under the rebounding action of the first spring 32, the adjusting column 13 rotates, further, the fastening rod 19, the automatic fixing of the protective cover 4 is realized, the use is convenient, and the use requirement is met.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An aviation hydraulic pump comprises a placing seat (1) and is characterized in that a mounting plate (2) is movably mounted on the top side of the placing seat (1), a hydraulic pump body (3) is fixedly mounted on the top side of the mounting plate (2), a protective cover (4) is rotatably mounted on the top side of the placing seat (1), a cooling fan (5) is fixedly mounted on the bottom side of the protective cover (4), the cooling fan (5) is matched with the hydraulic pump body (3), a mounting groove (6) is formed in the top side of the placing seat (1), the bottom side of the protective cover (4) extends into the mounting groove (6), an adjusting cavity (7) formed in the placing seat (1) is arranged on one side, away from the hydraulic pump body (3), of the mounting groove (6), a moving hole (9) and a fastening hole (17) are formed in the inner wall of one side, close to the mounting groove (6), of the moving hole (9), a movable plate (8) is movably arranged in the movable hole (9), two sides of the movable plate (8) extend out of the movable hole (9), the bottom side of the protective cover (4) is in contact with the top side of the movable plate (8), a regulating hole (12) is formed in the inner wall of the top side of the regulating cavity (7), a regulating column (13) is rotatably arranged in the regulating hole (12), two ends of the regulating column (13) extend out of the regulating hole (12), a knob (15) is fixedly arranged at the top end of the regulating column (13), a rotating rod (16) positioned in the regulating cavity (7) is fixedly arranged at one side, close to the mounting groove (6), of the regulating column (13), a push-pull rod (20) is rotatably arranged at one end of the rotating rod (20), a fastening rod (19) is rotatably arranged at one end of the push-pull rod (20), a fastening groove (18) positioned in the mounting groove (6) is formed at, one end of the fastening rod (19) penetrates the fastening hole (17) and extends into the fastening groove (18).

2. The aviation hydraulic pump according to claim 1, characterized in that the placing seat (1) is provided with a buffer cavity (26), the inner wall of the top side of the buffer cavity (26) is provided with a movable hole (27), the bottom side of the mounting plate (2) penetrates through the movable hole (27) and is rotatably provided with two connecting rods (30), the two sides of the mounting plate (2) are respectively provided with a buffer plate (28) movably mounted on the inner wall of the bottom side of the buffer cavity (26), and the bottom ends of the two connecting rods (30) are rotatably mounted on one side of the two buffer plates (28) close to each other.

3. The aviation hydraulic pump according to claim 2, characterized in that one end of each of the two cushion plates (28) away from each other is fixedly provided with one end of a cushion spring (31), one end of each of the two cushion springs (31) away from each other is fixedly provided on the inner walls of the two sides of the cushion chamber (26), the inner wall of the bottom side of the cushion chamber (26) is provided with two sliding grooves (29), and the bottom sides of the two cushion plates (28) are slidably provided in the two sliding grooves (29).

4. The aviation hydraulic pump according to claim 1, characterized in that the bottom side of the moving plate (8) is vertically provided with a sliding hole (11) located in the moving hole (9), a fixing rod (10) is slidably mounted in the sliding hole (11), and two ends of the fixing rod (10) are respectively and fixedly mounted on the inner walls of the top side and the bottom side of the moving hole (9).

5. The aviation hydraulic pump according to claim 1, wherein a clamping rod (22) located in the adjusting cavity (7) is fixedly mounted on one side of the moving plate (8), a clamping groove (21) is formed in the bottom side of the fastening rod (19), and the top end of the clamping rod (22) is matched with the clamping groove (21).

6. The aviation hydraulic pump according to claim 1, characterized in that a push rod (14) is fixedly mounted at the bottom end of the adjusting column (13), the inner walls of two sides of the adjusting cavity (7) are slidably mounted with the same push plate (23), one side of the push plate (23) is in contact with one end of the push rod (14), one side of the push plate (23) far away from the moving plate (8) is fixedly mounted with one ends of a plurality of first springs (31), and the other ends of the plurality of first springs (31) are fixedly mounted on the inner wall of one side of the adjusting cavity (7).

7. The aviation hydraulic pump according to claim 1, characterized in that limiting grooves (24) are formed in inner walls of two sides of the adjusting cavity (7), limiting blocks (25) are slidably mounted in the two limiting grooves (24), and one sides of the two limiting blocks (25) close to each other are fixedly mounted on two sides of the pushing plate (23) respectively.

8. The aviation hydraulic pump according to claim 1, characterized in that the bottom side of the moving plate (8) is fixedly provided with the top end of the second spring, and the bottom end of the second spring is fixedly arranged on the bottom side inner wall of the mounting groove (6).