Electrically-controlled hydraulic device for electromechanical machine

Abstract

The invention discloses an electrically-controlled electromechanical hydraulic device, and relates to the technical field of hydraulic devices, the electrically-controlled electromechanical hydraulic device comprises a hydraulic cylinder, a first fixing column is fixedly connected in the hydraulic cylinder, the first fixing column is slidably connected with a sliding plate, the upper part of the sliding plate is fixedly connected with a piston rod, and the lower part of the sliding plate is fixedly connected with a sliding sleeve; and a damping mechanism for damping the piston rod is arranged on the lower portion of the sliding sleeve, the damping mechanism comprises a first connecting rod rotationally connected to the lower portion of the sliding sleeve, and a connecting block is rotationally connected to the side, away from the sliding sleeve, of the first connecting rod. And finally, the cleaning mechanism can operate, the cleaning sleeve continuously reciprocates on the surface of the piston rod, dust, dirt and other impurities accumulated on the surface of the piston rod in the working process can be conveniently cleaned, the movement performance of the piston rod is guaranteed, and therefore the working efficiency of the hydraulic device is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of hydraulic devices, and particularly relates to a hydraulic device for electromechanical machinery controlled by electricity. Background Art

[0002] Hydraulic systems are widely used in electromechanical machinery, such as numerically controlled machine tools, industrial robots, hydraulic lifting equipment, hydraulic excavators, hydraulic elevators, etc. These devices provide powerful power and precise control through hydraulic systems, achieving various complex mechanical actions and process requirements. Hydraulic systems have occupied an important position in electromechanical machinery due to their advantages such as high efficiency, reliability, and easy control.

[0003] After retrieval, the patent with the Chinese patent number CN214315784U discloses a hydraulic device for electromechanical machinery controlled by electricity, including a device housing. An oil filling cap is provided on one outer surface of the device housing, and a forward and reverse motor is provided on one side of the upper end of the device housing. The described hydraulic device for electromechanical machinery controlled by electricity is provided with a power cord storage mechanism and a dust-proof protection mechanism. Before the device is used, the too long motor power cord can be wound around the winding rack and then fixed by a limiting belt to prevent the power cord from falling off the winding rack, facilitating the user to store the power cord. The provided dust-proof protection mechanism, when the device is in use, the dust-proof cotton strip inside the dust-proof ring can block dust and foreign objects from entering the device interior through the piston rod gap, and can also remove the oil stain on the outer wall of the piston rod. After long-term use, a new dust-proof ring can be replaced to improve the service life of the device and bring a better usage prospect.

[0004] However, in actual use of the above patent, it is difficult to play a shock-absorbing role for the piston rod. During the operation of electromechanical machinery, the piston rod will vibrate, which may have an adverse impact on the stable operation of the entire device. At the same time, it is difficult to clean the surface of the piston rod. During use, dirt, sludge or corrosive substances are easily accumulated on the rod, which may affect the movement performance of the piston rod. Therefore, it is necessary to propose a hydraulic device for electromechanical machinery controlled by electricity. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems in the prior art that it is difficult to play a shock-absorbing role for the piston rod. During the operation of electromechanical machinery, the piston rod will vibrate, which may have an adverse impact on the stable operation of the entire device. At the same time, it is difficult to clean the surface of the piston rod. During use, dirt, sludge or corrosive substances are easily accumulated on the rod, which may affect the movement performance of the piston rod, and to propose a hydraulic device for electromechanical machinery controlled by electricity.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A hydraulic device for an electrically controlled electromechanical machine, comprising a hydraulic cylinder. Inside the hydraulic cylinder, a first fixed column is fixedly connected. The first fixed column is slidably connected with a sliding plate. The upper part of the sliding plate is fixedly connected with a piston rod, and the lower part of the sliding plate is fixedly connected with a sliding sleeve. A shock-absorbing mechanism for damping the piston rod is provided below the sliding sleeve. The shock-absorbing mechanism includes a first connecting rod rotatably connected to the lower part of the sliding sleeve. One side of the first connecting rod away from the sliding sleeve is rotatably connected with a connecting block. One side of the connecting block away from the first connecting rod is rotatably connected with a second connecting rod. One side of the second connecting rod away from the connecting block is rotatably connected with a fixed sleeve, and the fixed sleeve is fixedly connected with the first fixed column;

[0008] The upper part of the first fixed column is fixedly connected with a spring. One side of the spring away from the first fixed column is fixedly connected with the sliding sleeve. The spring is sleeved on the first fixed column. A cleaning mechanism for cleaning the piston rod is provided inside the hydraulic cylinder. The lower part of the hydraulic cylinder is fixedly connected with a bottom plate. The bottom plate is fixedly connected with an oil storage tank. One side of the oil storage tank close to the hydraulic cylinder is fixedly connected with a pipeline, and the side of the pipeline away from the oil storage tank is fixedly connected with the hydraulic cylinder.

[0009] The above technical solution further includes:

[0010] The sliding sleeve is slidably connected with the first fixed column. The shock-absorbing mechanisms are symmetrically arranged below the sliding sleeve, and their parts and installation methods are the same.

[0011] The cleaning mechanism includes a fixing plate fixedly connected inside the hydraulic cylinder. A second rotating shaft is rotatably connected to one side of the fixing plate close to the piston rod. The second rotating shaft is rotatably connected with the hydraulic cylinder, and the second rotating shaft is fixedly connected with a rotating disk.

[0012] One side edge of the rotating disk is fixedly connected with a second fixed column. The second fixed column is slidably connected with a connecting plate, and the connecting plate is fixedly connected with an incomplete gear.

[0013] The connection between the connecting plate and the incomplete gear is fixedly connected with a third rotating shaft. The third rotating shaft is rotatably connected with the fixing plate, and the teeth on the incomplete gear are meshed with a tooth groove.

[0014] The tooth groove is opened on a sliding rod. The sliding rod is slidably connected with the fixing plate. The upper part of the sliding rod is fixedly connected with a cleaning sleeve for cleaning the piston rod. The cleaning sleeve is slidably connected with the piston rod.

[0015] An oil filling cap for adding oil to the inside of the oil storage tank is provided on the upper part of the oil storage tank. A pump body is provided at the connection between the pipeline and the hydraulic cylinder.

[0016] On one side of the hydraulic cylinder close to the oil storage tank, a motor body that provides power for the pump body is fixedly installed, and a control valve for facilitating the adjustment of the flow direction, pressure, and flow rate of the oil fluid is provided on the upper part of the pipeline.

[0017] One side of the slide plate is fixedly connected with a rack, the rack is meshed and connected with a first gear, and the first gear is fixedly connected with a first rotating shaft.

[0018] The first rotating shaft is rotationally connected to the hydraulic cylinder, the first rotating shaft is drivingly connected with a belt, and the belt is drivingly connected with a second rotating shaft.

[0019] The present invention has the following beneficial effects:

[0020] 1. In the present invention, during the operation of the electromechanical machinery, when the piston rod vibrates, the damping mechanism symmetrically arranged at the lower part of the piston rod can reduce the shaking and swinging of the piston rod during work, thereby maintaining its stability and ensuring the overall stability and working efficiency of the hydraulic device.

[0021] 2. In the present invention, during the lifting and lowering process of the piston rod, by driving the rack to drive the first gear to rotate, finally the cleaning mechanism can be operated, and the cleaning sleeve will continuously reciprocate on the surface of the piston rod, facilitating the cleaning of impurities such as dust and dirt accumulated on the surface of the piston rod during work, ensuring the movement performance of the piston rod, and thus ensuring the working efficiency of the hydraulic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of a hydraulic device for an electromechanical machinery with electrical control proposed by the present invention;

[0023] Figure 2 It is the first structural diagram in the present invention;

[0024] Figure 3 It is the second structural diagram in the present invention;

[0025] Figure 4 It is the third structural diagram in the present invention;

[0026] Figure 5 It is Figure 1 The enlarged schematic diagram of the structure at A in

[0027] Figure 6 It is Figure 2 The enlarged schematic diagram of the structure at B in

[0028] Figure 7 It is Figure 4 The enlarged schematic diagram of the structure at C in

[0029] In the figure: 1, hydraulic cylinder; 2, piston rod; 3, slide plate; 4, first fixed column; 5, fixed plate; 6, spring; 7, fixed sleeve; 8, bottom plate; 9, oil storage tank; 10, oil filling cap; 11, first connecting rod; 12, connecting block; 13, second connecting rod; 14, cleaning sleeve; 15, slide bar; 16, belt; 17, motor body; 18, pump body; 19, pipeline; 20, sliding sleeve; 21, rack; 22, first rotating shaft; 23, first gear; 24, second rotating shaft; 25, rotating disk; 26, second fixed column; 27, third rotating shaft; 28, tooth groove; 29, incomplete gear; 30, connecting plate; 31, control valve. Detailed implementation mode

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1

[0032] As Figure 1 - Figure 7 shown, a hydraulic device for an electrically controlled electromechanical machine includes a hydraulic cylinder 1. A first fixed column 4 is fixedly connected inside the hydraulic cylinder 1. A slide plate 3 is slidably connected to the first fixed column 4. A piston rod 2 is fixedly connected to the upper part of the slide plate 3. A sliding sleeve 20 is fixedly connected to the lower part of the slide plate 3. A shock absorption mechanism for shock-absorbing the piston rod 2 is provided below the sliding sleeve 20. The shock absorption mechanism includes a first connecting rod 11 rotatably connected to the lower part of the sliding sleeve 20. One side of the first connecting rod 11 away from the sliding sleeve 20 is rotatably connected to a connecting block 12. One side of the connecting block 12 away from the first connecting rod 11 is rotatably connected to a second connecting rod 13. One side of the second connecting rod 13 away from the connecting block 12 is rotatably connected to a fixed sleeve 7. The fixed sleeve 7 is fixedly connected to the first fixed column 4;

[0033] A spring 6 is fixedly connected to the upper part of the first fixed column 4. One side of the spring 6 away from the first fixed column 4 is fixedly connected to the sliding sleeve 20. The spring 6 is sleeved on the first fixed column 4. A cleaning mechanism for cleaning the piston rod 2 is provided inside the hydraulic cylinder 1. The lower part of the hydraulic cylinder 1 is fixedly connected to a bottom plate 8. The bottom plate 8 is fixedly connected to an oil storage tank 9. One side of the oil storage tank 9 close to the hydraulic cylinder 1 is fixedly connected to a pipeline 19. One side of the pipeline 19 away from the oil storage tank 9 is fixedly connected to the hydraulic cylinder 1;

[0034] The sliding sleeve 20 is slidably connected to the first fixed column 4. The shock absorption mechanisms are symmetrically arranged below the sliding sleeve 20, and their parts and installation methods are the same;

[0035] The cleaning mechanism includes a fixing plate 5 fixedly connected inside the hydraulic cylinder 1. A second rotating shaft 24 is rotatably connected to one side of the fixing plate 5 close to the piston rod 2. The second rotating shaft 24 is rotatably connected to the hydraulic cylinder 1, and a rotating disk 25 is fixedly connected to the second rotating shaft 24;

[0036] A second fixing column 26 is fixedly connected to one side edge of the rotating disk 25. The second fixing column 26 is slidably connected with a connecting plate 30, and the connecting plate 30 is fixedly connected with an incomplete gear 29;

[0037] A third rotating shaft 27 is fixedly connected to the connection part of the connecting plate 30 and the incomplete gear 29. The third rotating shaft 27 is rotatably connected to the fixing plate 5. The teeth on the incomplete gear 29 are meshed with a tooth groove 28;

[0038] The tooth groove 28 is formed on a sliding rod 15. The sliding rod 15 is slidably connected to the fixing plate 5. A cleaning sleeve 14 for cleaning the piston rod 2 is fixedly connected to the upper part of the sliding rod 15. The cleaning sleeve 14 is slidably connected to the piston rod 2.

[0039] In this embodiment, when the piston rod 2 needs to extend outside the hydraulic cylinder 1 for work, the power provided by the oil storage tank 9 to the hydraulic cylinder 1 will push the sliding plate 3 to make the piston rod 2 rise. When the sliding plate 3 rises, it will drive the sliding sleeve 20 fixedly connected to the lower part to rise on the first fixing column 4. When the sliding sleeve 20 rises, it will make the rotatably connected first connecting rod 11 rotate. When the first connecting rod 11 rotates, it will make the connecting block 12 rotatably connected to the other side of the first connecting rod 11 move towards the side close to the first fixing column 4. When the connecting block 12 moves, it will make the rotatably connected second connecting rod 13 rotate. The fixing sleeve 7 rotatably connected to the side of the second connecting rod 13 away from the connecting block 12 is fixedly connected to the first fixing column 4;

[0040] It will make the shock absorption mechanism stable, and the other side of the spring 6 fixedly connected to the upper part of the first fixing column 4 is fixedly connected to the sliding sleeve 20. That is, finally, during the working process of the piston rod 2, the shock absorption mechanism will start to play a shock absorption role to ensure the overall stability of the hydraulic device. When it is necessary to clean the dust and dirt accumulated on the surface area of the piston rod 2 during work, the second rotating shaft 24 is rotated. When the second rotating shaft 24 rotates, it will make the fixedly connected rotating disk 25 rotate. The rotating disk 25 will make the second fixing column 26 fixedly connected to the edge rotate;

[0041] The second fixed column 26 is in sliding connection with the groove formed on the connecting plate 30, and the third rotating shaft 27 fixedly connected to the connection between the second fixed column 26 and the incomplete gear 29 is in rotational connection with the fixed plate 5. That is, the second fixed column 26 will finally drive the incomplete gear 29 to continuously rotate reciprocally. That is, the incomplete gear 29 will drive the sliding rod 15 to continuously slide reciprocally on the surface of the fixed plate 5 through the tooth groove 28. The reciprocating sliding of the sliding rod 15 will cause the fixedly connected cleaning sleeve 14 to move up and down reciprocally on the surface of the piston rod 2, that is, the surface of the piston rod 2 can be cleaned to ensure the motion performance of the piston rod 2.

[0042] Embodiment 2

[0043] As Figure 1 - Figure 7 As shown in the figure, an oil filling cap 10 for adding oil to the inside of the oil storage tank 9 is provided on the upper part of the oil storage tank 9. A pump body 18 is provided at the connection between the pipeline 19 and the hydraulic cylinder 1. A motor body 17 for providing power to the pump body 18 is fixedly installed on one side of the hydraulic cylinder 1 close to the oil storage tank 9. A control valve 31 for facilitating the adjustment of the oil flow direction, pressure and flow rate is provided on the upper part of the pipeline 19. A rack 21 is fixedly connected to one side of the sliding plate 3. The rack 21 is meshed with a first gear 23. The first gear 23 is fixedly connected to a first rotating shaft 22. The first rotating shaft 22 is in rotational connection with the hydraulic cylinder 1. The first rotating shaft 22 is drivingly connected to a belt 16. The belt 16 is in driving connection with a second rotating shaft 24.

[0044] In this embodiment, the oil filling cap 10 facilitates adding oil to the inside of the oil storage tank 9. The motor body 17 can provide power to the pump body 18. The control valve 31 can change the oil flow direction, pressure and flow rate to ensure that the hydraulic device operates according to the predetermined working requirements. That is, the lifting of the piston rod 2 can be realized through the mutual cooperation of the motor body 17, the pump body 18, the control valve 31, etc. When the sliding plate 3 moves up and down, it will drive the fixedly connected rack 21 to move up and down;

[0045] When the rack 21 moves up and down, it will cause the meshed first gear 23 to rotate. The first gear 23 will drive the fixedly connected first rotating shaft 22 to rotate. The rotation of the first rotating shaft 22 will cause the driving belt 16 to transmit power. The belt 16 will cause the drivingly connected second rotating shaft 24 to rotate, that is, it is convenient to drive the cleaning mechanism to operate during the lifting process of the piston rod 2.

[0046] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic device for an electro-mechanically controlled electromechanical machine, comprising a hydraulic cylinder (1), characterized in that, A first fixed column (4) is fixedly connected inside the hydraulic cylinder (1). The first fixed column (4) is slidably connected with a sliding plate (3). A piston rod (2) is fixedly connected to the upper part of the sliding plate (3). A sliding sleeve (20) is fixedly connected to the lower part of the sliding plate (3). A shock-absorbing mechanism for shock-absorbing the piston rod (2) is provided below the sliding sleeve (20). The shock-absorbing mechanism includes a first connecting rod (11) rotatably connected to the lower part of the sliding sleeve (20). A connecting block (12) is rotatably connected to one side of the first connecting rod (11) away from the sliding sleeve (20). A second connecting rod (13) is rotatably connected to one side of the connecting block (12) away from the first connecting rod (11). A fixed sleeve (7) is rotatably connected to one side of the second connecting rod (13) away from the connecting block (12). The fixed sleeve (7) is fixedly connected to the first fixed column (4). A spring (6) is fixedly connected to the upper part of the first fixed column (4). One side of the spring (6) away from the first fixed column (4) is fixedly connected to the sliding sleeve (20). The spring (6) is sleeved on the first fixed column (4). A cleaning mechanism for cleaning the piston rod (2) is provided inside the hydraulic cylinder (1). A bottom plate (8) is fixedly connected to the lower part of the hydraulic cylinder (1). The bottom plate (8) is fixedly connected to an oil storage tank (9). A pipeline (19) is fixedly connected to one side of the oil storage tank (9) close to the hydraulic cylinder (1). One side of the pipeline (19) away from the oil storage tank (9) is fixedly connected to the hydraulic cylinder (1).

2. The hydraulic device for an electro-mechanically controlled electromechanical machine according to claim 1, wherein, The sliding sleeve (20) is slidably connected to the first fixed column (4). The shock-absorbing mechanisms are symmetrically arranged below the sliding sleeve (20), and their parts and installation methods are the same.

3. A hydraulic device for an electro-mechanically controlled electromechanical machine according to claim 1, characterized in that, The cleaning mechanism includes a fixing plate (5) fixedly connected inside the hydraulic cylinder (1). A second rotating shaft (24) is rotatably connected to one side of the fixing plate (5) close to the piston rod (2). The second rotating shaft (24) is rotatably connected to the hydraulic cylinder (1). The second rotating shaft (24) is fixedly connected with a rotating disc (25).

4. A hydraulic device for an electro-mechanically controlled electromechanical machine according to claim 3, characterized in that, A second fixed column (26) is fixedly connected to one side edge of the rotating disc (25). The second fixed column (26) is slidably connected with a connecting plate (30). The connecting plate (30) is fixedly connected with an incomplete gear (29).

5. A hydraulic device for an electromechanical machine controlled electrically according to claim 4, characterized in that, A third rotating shaft (27) is fixedly connected to the connection part of the connecting plate (30) and the incomplete gear (29). The third rotating shaft (27) is rotatably connected to the fixing plate (5). The teeth on the incomplete gear (29) are meshed with a tooth groove (28).

6. The hydraulic device for an electro-mechanically controlled electromechanical machine according to claim 5, characterized in that, The tooth groove (28) is opened on a slide bar (15). The slide bar (15) is slidably connected to the fixing plate (5). A cleaning sleeve (14) for cleaning the piston rod (2) is fixedly connected to the upper part of the slide bar (15). The cleaning sleeve (14) is slidably connected to the piston rod (2).

7. An electro-hydraulic device for an electromechanical machine according to claim 1, characterized in that, An oil filling cap (10) for adding oil to the inside of the oil storage tank (9) is provided at the upper part of the oil storage tank (9), and a pump body (18) is provided at the connection between the pipeline (19) and the hydraulic cylinder (1).

8. An electrohydraulic device for an electromechanical machine according to claim 1, characterized in that A motor body (17) for providing power to the pump body (18) is fixedly installed on one side of the hydraulic cylinder (1) close to the oil storage tank (9), and a control valve (31) for facilitating the adjustment of the flow direction, pressure and flow rate of the oil is provided at the upper part of the pipeline (19).

9. The hydraulic device for an electro-mechanically controlled electromechanical machine according to claim 1, wherein, A rack (21) is fixedly connected to one side of the slide plate (3), the rack (21) is meshed with a first gear (23), and the first gear (23) is fixedly connected with a first rotating shaft (22).

10. A hydraulic device for an electromechanical machine controlled electrically according to claim 9, characterized in that, The first rotating shaft (22) is rotatably connected to the hydraulic cylinder (1), the first rotating shaft (22) is drivingly connected with a belt (16), and the belt (16) is drivingly connected with a second rotating shaft (24).

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