Hydraulic control device based on self-contained electro-hydraulic actuator

Abstract

The hydraulic control device based on the self-contained electro-hydraulic actuator comprises a hydraulic cylinder, a hydraulic pump and a hydraulic oil tank, an inclined filter plate is fixedly installed on the inner side wall of the hydraulic oil tank, and a material collecting frame is arranged at the tail end of the inclined filter plate; the cleaning assembly comprises a pair of fixed cylinders, the fixed cylinders are symmetrically and fixedly installed on the inner side wall of the hydraulic oil tank, a movable plate is movably arranged above the inclined filter plate, a fixed brush is fixedly installed at the bottom end of the movable plate, a rolling steel bar is arranged in the pair of fixed cylinders, and the other end of the rolling steel bar is fixedly installed at the end of the movable plate through a fastening bolt. By arranging the cleaning assembly, when a first rotating shaft rotates forwards, a rolling steel bar on the first rotating shaft is released, a movable plate moves downwards along an inclined filter plate, along with movement of the movable plate, the movable plate drives a fixed brush to move, the upper surface of the inclined filter plate is cleaned, the surface of the inclined filter plate is prevented from being blocked, and the service life of the inclined filter plate is prolonged. And insufficient filtration of hydraulic oil is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic control technical field especially relates to a kind of hydraulic control device based on self-contained electro-hydraulic actuator. BACKGROUND

[0002] Self-contained electro-hydraulic actuator is a kind of servo type actuator that oil supply system, control system, security system are in one body.It takes petroleum-based hydraulic oil as working medium, is usually composed of oil source, accumulator assembly, control integrated block assembly, oil cylinder assembly, displacement sensor assembly and electrical control box assembly, all components are connected by screw into one, compact structure.

[0003] Publication No. CN221704057U discloses a kind of self-filtering hydraulic oil tank, including oil tank, the top of the oil tank is movably installed with oil tank cover, the two sides of the oil tank and oil tank cover are fixedly installed with connecting block, the connecting block between screw thread connection has fixed bolt, the right side of the oil tank is communicated with oil outlet, the top of the oil tank cover is communicated with backflow pipe, the bottom of the oil tank cover is provided with connecting groove, the inner side of the connecting groove is movably installed with connecting sleeve, the inside of the oil tank cover is provided with two connecting mechanisms, the bottom of the connecting sleeve is provided with mounting hole, the inner side wall of the mounting hole is fixedly installed with filter screen, the inner side wall of the connecting sleeve is fixedly installed with filter sleeve, the inner side wall of the filter sleeve is rotatably connected with connecting rod.The self-filtering hydraulic oil tank can reduce the metal impurities in hydraulic oil, improve the service life of hydraulic oil, and reduce the cost of hydraulic oil.

[0004] When filtering hydraulic oil using the above device for a long time, if the filter screen is not cleaned, the surface of the filter screen can be blocked, which can cause insufficient filtration of hydraulic oil and affect use. Therefore, a hydraulic control device based on self-contained electro-hydraulic actuator is needed. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the defects in the prior art, and provides a hydraulic control device based on self-contained electro-hydraulic actuator.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of a kind of hydraulic control device based on self-contained electro-hydraulic actuator, comprising: hydraulic cylinder, hydraulic pump and hydraulic oil tank, the inner side wall of hydraulic oil tank is fixedly installed with inclined filter plate, cleaning assembly is provided above inclined filter plate, collection frame is provided at the end of inclined filter plate, disturbance assembly is provided in collection frame;

[0007] The cleaning assembly comprises a pair of fixed cylinders which are symmetrically fixedly installed on the inner side wall of the hydraulic oil tank, a first rotating shaft is rotatably installed in one of the fixed cylinders and penetrates through the other fixed cylinder to the outside of the hydraulic oil tank, an activity plate is movably arranged above the inclined filter plate, a fixed brush is fixedly installed at the bottom end of the activity plate, a winding steel strip is arranged in the pair of fixed cylinders, one end of the winding steel strip is fixedly connected with the first rotating shaft, and the other end of the winding steel strip is fixedly installed at the end of the activity plate.

[0008] When the first rotating shaft rotates forward, the winding steel strip wound on the first rotating shaft is released, so that the activity plate moves downward along the inclined filter plate, with the movement of the activity plate, the fixed brush is moved to clean the upper surface of the inclined filter plate, when the activity plate moves to the lowest position, the first rotating shaft reversely rotates, the first rotating shaft winds the winding steel strip, so that the activity plate moves upward along the inclined filter plate, after the activity plate moves to the highest position, the first rotating shaft rotates forward, so as to clean the upper surface of the inclined filter plate by the fixed brush, so as to avoid that the surface of the inclined filter plate is blocked and the hydraulic oil is not fully filtered.

[0009] Preferably, the activity plate is arranged in parallel with the inclined filter plate, the inner side wall of the hydraulic oil tank is symmetrically provided with a sliding inclined groove, rotating columns are symmetrically rotatably installed at the two ends of the activity plate, the rotating columns are movably arranged in the sliding inclined groove, the fixed brush is attached to the upper surface of the inclined filter plate, and the winding steel strip slides through the fixed cylinder.

[0010] When the activity plate reciprocally moves, the rotating columns rotate in the sliding inclined groove, so as to ensure the stability of the activity plate during movement.

[0011] Preferably, the inner bottom surface of the collecting frame is arranged in a circular arc surface, the collecting frame is arranged at the lower end of the inclined filter plate which inclines downward, and the end of the inclined filter plate is attached to the outer side wall of the collecting frame.

[0012] Preferably, the disturbance assembly comprises a second rotating shaft which is rotatably installed in the collecting frame, a fixed sleeve is fixedly sleeved on the second rotating shaft, cleaning brush strips are equidistantly and uniformly fixedly installed on the outer side wall of the fixed sleeve, filter holes are equidistantly and uniformly arranged on the collecting frame, the outer side wall of the cleaning brush strips is attached to the inner side wall of the collecting frame, and a synchronous driving assembly which drives the first rotating shaft and the second rotating shaft to synchronously rotate is arranged on the outer side wall of the hydraulic oil tank.

[0013] When the second rotating shaft rotates, the second rotating shaft drives the cleaning brush strips to synchronously rotate through the fixed sleeve, so that the cleaning brush strips clean the inner side wall of the collecting frame, to avoid that impurities block the filter holes, and the hydraulic oil moves along the inclined filter plate to the collecting frame, and the collecting frame can collect impurities in the hydraulic oil.

[0014] Preferably, the synchronous driving assembly comprises a driving wheel, a second rotating shaft is rotatably arranged outside the hydraulic oil tank, the driving wheel is coaxially fixedly connected with the second rotating shaft, a driven wheel is coaxially fixedly connected with the end of the first rotating shaft, the driving wheel drives the driven wheel through a driving belt, a fixed mounting frame is fixedly installed on the outer wall of the hydraulic oil tank, a reversible motor is fixedly installed in the fixed mounting frame, and the output shaft of the reversible motor is coaxially fixedly connected with the second rotating shaft.

[0015] The reversible motor is started, the reversible motor drives the second rotating shaft and the driving wheel to rotate forward, the driving wheel drives the driven wheel to rotate forward through the driving belt, the driven wheel drives the first rotating shaft to rotate forward synchronously, after a period of time, the reversible motor drives the second rotating shaft to rotate reversely, thereby driving the first rotating shaft to rotate reversely synchronously, and the cycle is repeated.

[0016] Preferably, the hydraulic cylinder is communicated with the top of the hydraulic oil tank through a communication hose, and the hydraulic pump delivers the hydraulic oil in the hydraulic oil tank to the hydraulic cylinder.

[0017] Compared with the prior art, the beneficial effects of the utility model include that through the arrangement of the cleaning assembly, the steel strip wound on the first rotating shaft is released when the first rotating shaft rotates forward, the movable plate moves downward along the inclined filter plate, the movable plate drives the fixed brush to move along with the movement of the movable plate, and the upper surface of the inclined filter plate is cleaned, when the movable plate moves to the lowermost position, the first rotating shaft reversely rotates, the first rotating shaft winds the steel strip, the movable plate moves upward along the inclined filter plate, the first rotating shaft rotates forward after the movable plate moves to the uppermost position, and the cycle is repeated, the fixed brush cleans the upper surface of the inclined filter plate, the surface of the inclined filter plate is prevented from being blocked, and the hydraulic oil is prevented from being insufficiently filtered. BRIEF DESCRIPTION OF DRAWINGS

[0018] The disclosure of the utility model will be explained with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:

[0019] Figure 1 The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model Figure 1 .

[0020] Figure 2 The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model Figure 2 .

[0021] Figure 3The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model, as shown in the side structure schematic view of the utility model.

[0022] Figure 4 The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model, as shown in the internal structure schematic view of the hydraulic oil tank of the utility model.

[0023] Figure 5 The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model, as shown in the structure schematic view of the cleaning assembly of the utility model.

[0024] Figure 6 The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model, as shown in the explosion structure schematic view of the disturbance component of the utility model.

[0025] Figure 7 The utility model discloses a kind of hydraulic control devices based on self-contained electro-hydraulic actuator according to one embodiment of the utility model, as shown in the structure schematic view of the synchronous drive component of the utility model.

[0026] Mark in drawing: 1, hydraulic cylinder;2, hydraulic pump;3, hydraulic oil tank;4, inclined filter plate;5, cleaning assembly;51, fixed cylinder;52, first rotation axis;53, movable plate;531, sliding inclined slot;532, rotating column;54, fixed brush;55, winding steel strip;6, material collecting frame;7, disturbance component;71, second rotation axis;72, fixed sleeve;73, cleaning brush strip;74, filter hole;75, synchronous drive component;751, driving pulley;752, driven pulley;753, drive belt;754, fixed mounting bracket;755, reversible motor;8, communication hose. DETAILED DESCRIPTION

[0027] It is easy to understand that, according to the technical scheme of the utility model, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the utility model, and should not be regarded as all or limitation or restriction of the technical scheme of the utility model.

[0028] According to one embodiment of the utility model combined with Figures 1 to 5The utility model discloses a hydraulic control device based on self-contained electro-hydraulic actuator, including: hydraulic cylinder 1, hydraulic pump 2 and hydraulic oil tank 3, hydraulic cylinder 1 with hydraulic oil tank 3 top through the communication hose 8 intercommunication, and hydraulic pump 2 sends the hydraulic oil in the hydraulic oil tank 3 to the hydraulic cylinder 1, and the inside wall fixed mounting of hydraulic oil tank 3 has the oblique filter plate 4, and the oblique filter plate 4 top is provided with cleaning assembly 5, and the oblique filter plate 4 end is provided with the collection frame 6, and the collection frame 6 is provided with the disturbance component 7 in,

[0029] Cleaning assembly 5 includes a pair of fixed cylinders 51, and the fixed cylinders 51 are symmetrically fixedly installed in the inner side wall of the hydraulic oil tank 3, a first rotating shaft 52 is rotatably installed in one of the fixed cylinders 51, the first rotating shaft 52 penetrates through the other fixed cylinder 51 to the outside of the hydraulic oil tank 3, an activity plate 53 is movably arranged above the oblique filter plate 4, a fixed brush 54 is fixedly installed at the bottom end of the activity plate 53, a winding steel strip 55 is arranged in the fixed cylinder 51, one end of the winding steel strip 55 is fixedly connected with the first rotating shaft 52, and the other end of the winding steel strip 55 is fixedly installed at the end of the activity plate 53 through a fastening bolt.

[0030] The activity plate 53 is arranged in parallel with the oblique filter plate 4, sliding inclined grooves 531 are symmetrically formed in the inner side wall of the hydraulic oil tank 3, rotating columns 532 are symmetrically rotatably installed at the two ends of the activity plate 53, the rotating columns 532 are movably arranged in the sliding inclined grooves 531, the fixed brush 54 is attached to the upper surface of the oblique filter plate 4, and the winding steel strip 55 slidably penetrates through the fixed cylinder 51.

[0031] When the first rotating shaft 52 rotates forward, the winding steel strip 55 wound on the first rotating shaft 52 is released, so that the activity plate 53 moves downward along the oblique filter plate 4, with the movement of the activity plate 53, the fixed brush 54 is moved to clean the upper surface of the oblique filter plate 4, when the activity plate 53 moves to the lowest position, the first rotating shaft 52 reversely rotates, the first rotating shaft 52 winds the winding steel strip 55, so that the activity plate 53 moves upward along the oblique filter plate 4, after the activity plate 53 moves to the uppermost position, the first rotating shaft 52 rotates forward, and the fixed brush 54 cleans the upper surface of the oblique filter plate 4, so that the surface of the oblique filter plate 4 is not blocked, and the hydraulic oil is not filtered insufficiently.

[0032] According to an embodiment of the utility model Figure 6The bottom surface of the aggregate frame 6 is provided as a circular arc surface, the aggregate frame 6 is arranged at the lower end of the inclined filter plate 4 which is inclined downward, and the end of the inclined filter plate 4 is attached to the outer side wall of the aggregate frame 6. The disturbance assembly 7 comprises a second rotating shaft 71 which is rotatably arranged in the aggregate frame 6, a fixed sleeve 72 is fixedly arranged on the second rotating shaft 71, cleaning brush strips 73 are fixedly and uniformly arranged on the outer side wall of the fixed sleeve 72, filter holes 74 are uniformly arranged on the aggregate frame 6, the outer side wall of the cleaning brush strips 73 is attached to the inner side wall of the aggregate frame 6, and the outer side wall of the hydraulic oil tank 3 is provided with a synchronous driving assembly 75 for driving the first rotating shaft 52 and the second rotating shaft 71 to synchronously rotate.

[0033] The second rotating shaft 71 drives the cleaning brush strips 73 to synchronously rotate through the fixed sleeve 72, so that the cleaning brush strips 73 clean the inner side wall of the aggregate frame 6, and the filter holes 74 are prevented from being blocked by impurities. The hydraulic oil moves along the inclined filter plate 4 to the aggregate frame 6, and the aggregate frame 6 can collect impurities in the hydraulic oil.

[0034] According to an embodiment of the present application Figures 1 to 5 and Figure 7 The synchronous driving assembly 75 comprises a driving pulley 751, the second rotating shaft 71 is rotatably arranged outside the hydraulic oil tank 3, the driving pulley 751 is coaxially and fixedly connected with the second rotating shaft 71, a driven pulley 752 is coaxially and fixedly connected with the end of the first rotating shaft 52, the driving pulley 751 drives the driven pulley 752 through a driving belt 753, a fixed mounting frame 754 is fixedly arranged on the outer side wall of the hydraulic oil tank 3, a reversible motor 755 is fixedly arranged in the fixed mounting frame 754, and the output shaft of the reversible motor 755 is coaxially and fixedly connected with the second rotating shaft 71.

[0035] The reversible motor 755 drives the second rotating shaft 71 and the driving pulley 752 to rotate forward, the driving pulley 752 drives the driven pulley 752 to rotate through the driving belt 753, the driven pulley 752 drives the first rotating shaft 52 to synchronously rotate forward, after a period of time, the reversible motor 755 drives the second rotating shaft 71 to rotate reversely, so as to drive the first rotating shaft 52 to synchronously rotate reversely, and the above process is repeated.

[0036] The technical scope of the present application is not limited to the above description, and those skilled in the art can make various modifications and changes to the above embodiments without departing from the technical concept of the present application, and these modifications and changes should be within the protection scope of the present application.

Claims

1. A hydraulic control device based on a self-contained electro-hydraulic actuator, characterized by The utility model relates to a hydraulic cylinder, hydraulic pump and hydraulic oil tank, the hydraulic oil tank inboard wall fixed mounting has the oblique filter board, the oblique filter board top is provided with cleaning assembly, the oblique filter board end is provided with the material collecting frame, the material collecting frame is provided with the disturbance component in. The cleaning assembly includes a pair of fixed cylinders, which are symmetrically fixedly installed on the inner side wall of the hydraulic oil tank. A first rotating shaft is rotatably installed in one of the fixed cylinders and extends through the other fixed cylinder to the outside of the hydraulic oil tank. An activity plate is movably arranged above the oblique filter plate, and a fixed brush is fixedly installed at the bottom end of the activity plate. A steel strip is arranged in each of the fixed cylinders, with one end of the steel strip fixedly connected to the first rotating shaft and the other end fixedly installed at the end of the activity plate. The activity plate is arranged in parallel with the oblique filter plate. The inner side wall of the hydraulic oil tank is symmetrically provided with a sliding inclined groove. Rotating columns are symmetrically rotatably installed at the two ends of the activity plate, and the rotating columns are movably arranged in the sliding inclined groove. The fixed brush is in contact with the upper surface of the oblique filter plate, and the steel strip slides through the fixed cylinder.

2. The hydraulic control device based on a self-contained electro-hydraulic actuator according to claim 1, characterized in that, The bottom surface of the material collecting frame is arranged as a circular arc surface. The material collecting frame is arranged at the downwardly inclined lower end of the oblique filter plate, and the end of the oblique filter plate is in contact with the outer side wall of the material collecting frame.

3. The hydraulic control device based on self-contained electro-hydraulic actuators as claimed in claim 1, wherein, The disturbance component includes a second rotating shaft, which is rotatably installed in the material collecting frame. A fixed sleeve is fixedly arranged on the second rotating shaft. Cleaning brush strips are fixedly installed on the outer side wall of the fixed sleeve at equal intervals. Filter holes are evenly formed in the material collecting frame at equal intervals. The outer side wall of the cleaning brush strip is in contact with the inner side wall of the material collecting frame. A synchronous driving assembly is arranged on the outer side wall of the hydraulic oil tank to drive the first rotating shaft and the second rotating shaft to rotate synchronously.

4. The hydraulic control device based on self-contained electro-hydraulic actuators according to claim 3, characterized in that, The synchronous driving assembly includes a driving pulley. The second rotating shaft extends to the outside of the hydraulic oil tank. The driving pulley is coaxially fixedly connected to the second rotating shaft. A driven pulley is coaxially fixedly connected to the end of the first rotating shaft. The driving pulley drives the driven pulley through a driving belt. A fixed mounting bracket is fixedly installed on the outer side wall of the hydraulic oil tank. A reversible motor is fixedly installed in the fixed mounting bracket. The output shaft of the reversible motor is coaxially fixedly connected to the second rotating shaft.

5. The hydraulic control device based on self-contained electro-hydraulic actuators according to claim 4, characterized in that, The hydraulic cylinder is connected to the top of the hydraulic oil tank through a communication hose. The hydraulic pump delivers hydraulic oil in the hydraulic oil tank to the hydraulic cylinder.

6. The self-contained electro-hydraulic actuator based hydraulic control device of claim 1, wherein, ​

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