Hydraulic device of servo motor driving oil pump

Abstract

The utility model provides a hydraulic device of a servo motor driving oil pump, and relates to the technical field of servo motors. The hydraulic device of the servo motor driving oil pump comprises an oil tank body, a fixing disc is arranged at the top of the oil tank body, a servo motor assembly is fixedly connected to the inner side of the fixing disc, a plurality of Z-shaped positioning blocks are fixedly connected to the outer side of the fixing disc, and a plurality of positioning grooves are formed in the top of the oil tank body. According to the hydraulic device for driving the oil pump through the servo motor, the multiple rotating rods drive the multiple first bevel gears to rotate correspondingly, the multiple first bevel gears are engaged with the multiple second bevel gears correspondingly, the multiple second bevel gears drive the multiple rotating rods to rotate, the rotating rods drive the fixing balls to be away from the fixing disc through the connecting rods, and fixing of the fixing disc can be relieved; the Z-shaped positioning block can be unfixed by matching with the arrangement of the connecting assembly, and the structural design is convenient for personnel to operate, and the servo motor assembly can be quickly disassembled.

Description

Technical Field

[0001] The utility model relates to a hydraulic device for driving an oil pump, in particular to a hydraulic device for driving an oil pump by a servo motor, belonging to the technical field of servo motors. Background Art

[0002] As is known to all, a high-precision hydraulic power system that directly drives an oil pump with a servo motor is a device that uses a servo motor to drive an oil pump as a power source to deliver hydraulic oil to an oil cylinder so that the oil cylinder obtains power to move. It has been widely used in the field of hydraulic transmission. An existing high-precision hydraulic power system that directly drives an oil pump with a servo motor includes an oil tank, a power mechanism, a filter assembly and an electromagnetic reversing valve assembly, and a containing chamber is provided inside the oil tank.

[0003] The disclosure is CN210949322U, a high-precision hydraulic power system that uses a servo motor to directly drive an oil pump. The system can sound an alarm when the oil level in the oil tank is insufficient, thereby reducing the difficulty for staff to discover the insufficient oil level in the oil tank and take maintenance measures in time, thereby improving the reliability of the use of the high-precision hydraulic power system that uses a servo motor to directly drive the oil pump; the system includes an oil tank, a power mechanism, a filter assembly and an electromagnetic reversing valve assembly, a containing chamber is arranged inside the oil tank, a control mechanism is arranged on the right side of the top area of ​​the oil tank, and a liquid level display assembly is arranged on the top of the right end of the containing chamber; the system also includes a support plate, a proximity switch assembly, an active buzzer assembly, an auxiliary box, a fixing plate and four sets of limit springs, the top ends of the four sets of limit springs are respectively connected to the left front side, the left rear side, the right front side and the right rear side of the bottom end of the auxiliary box.

[0004] Although there are many benefits in the above scheme, there are also the following disadvantages: the power mechanism includes a servo motor assembly and an oil pump assembly, and the servo motor assembly is installed on the oil tank by using a flange on the main body and bolts. When the servo motor assembly fails and needs to be repaired, the personnel cannot quickly disassemble the servo motor assembly, which will affect the progress of the inspection and maintenance of the servo motor assembly. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a hydraulic device for a servo motor driving an oil pump in order to solve the above-mentioned problem, so as to solve the problem that in the prior art, the power mechanism includes a servo motor assembly and an oil pump assembly, and the servo motor assembly is installed on the oil tank by using a flange on the main body and bolts. When the servo motor assembly fails and needs to be repaired, personnel cannot quickly disassemble the servo motor assembly, which will affect the progress of inspection and repair of the servo motor assembly.

[0007] (II) Technical solution

[0008] The utility model is realized by the following technical scheme: a hydraulic device of a servo motor driving an oil pump comprises an oil tank body, a fixed plate is arranged on the top of the oil tank body, a servo motor assembly is fixedly connected to the inner side of the fixed plate, a plurality of Z-shaped positioning blocks are fixedly connected to the outer side of the fixed plate, a plurality of positioning grooves are opened on the top of the oil tank body, the Z-shaped positioning blocks are arranged inside the positioning grooves and contact the oil tank body, a U-shaped seat is arranged on one side of the plurality of Z-shaped positioning blocks, a plurality of the U-shaped seats are fixedly connected to the oil tank body, a rotating rod is rotatably connected inside the U-shaped seat, and a connecting rod is fixedly connected to one side of the rotating rod. A connecting rod, one end of the connecting rod is fixedly connected to a fixed sphere, the fixed sphere is in contact with the top of the fixed plate, a second bevel gear is fixedly connected to the outer side of the rotating rod, the outer side of the second bevel gear is meshedly connected to the first bevel gear, the bottom of the first bevel gear is fixedly connected to a rotating rod, the rotating rod is rotatably connected to the bottom end of the U-shaped seat, a connecting assembly is provided between the rotating rod and the Z-shaped positioning block, a first gear is fixedly connected to the outer side of the rotating rod, multiple first gears are meshedly connected with an inner ring gear, the inner ring gear is rotatably connected to the top of the oil tank body, and a rotating structure is provided on the outer side of one of the rotating rods.

[0009] Preferably, the connecting assembly includes a second gear, the second gear is fixedly connected to the outer side of the rotating rod, the outer side of the second gear is meshedly connected with a rack, and one end of the rack is fixedly connected to a fixing block.

[0010] Preferably, the connecting assembly also includes an L-shaped support rod and a sliding groove, the L-shaped support rod is arranged at the other end of the rack, the L-shaped support rod is fixedly connected to the top of the oil tank body, the sliding groove is opened inside the rack, one end of the L-shaped support rod extends into the sliding groove and is in sliding contact with the rack, and the setting of the L-shaped support rod plays a role of sliding support for the rack.

[0011] Preferably, a fixing groove is formed on the outer side of the Z-shaped positioning block, and the fixing block is arranged inside the fixing groove and contacts the Z-shaped positioning block.

[0012] Preferably, the rotating structure comprises a worm wheel, which is fixedly connected to the outside of one of the rotating rods, and a worm is meshingly connected to the outside of the worm wheel, and one end of the worm passes through the inside of one of the U-shaped seats and is rotatably connected to one of the U-shaped seats.

[0013] Preferably, a rotating handle is provided on the outer side of one of the U-shaped seats, and the rotating handle is installed on the outer side of one end of the worm.

[0014] The utility model provides a hydraulic device for a servo motor driving an oil pump, which has the following beneficial effects:

[0015] 1. The servo motor drives the hydraulic device of the oil pump, and multiple rotating rods respectively drive multiple first bevel gears to rotate, and the multiple first bevel gears are respectively engaged with multiple second bevel gears, and the multiple second bevel gears drive multiple rotating rods to rotate. The rotating rods drive the fixed sphere away from the fixed disk through the connecting rods, so that the fixed disk can be released, and the setting of the connecting component can be cooperated to realize the release of the Z-shaped positioning block. This structural design is convenient for personnel to operate and can quickly disassemble the servo motor component.

[0016] 2. The servo motor drives the hydraulic device of the oil pump, and the multiple rotating rods respectively drive the multiple second gears to rotate simultaneously. The multiple second gears are respectively engaged with the multiple racks. The racks drive the fixed block away from the fixed groove to release the Z-shaped positioning block, and the racks slide on the L-shaped support rod. The stability of the servo motor assembly is fixed by the arrangement of the second gears, racks, fixed blocks and L-shaped support rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A magnified view of the structure of part A;

[0019] Figure 3 This is a schematic diagram of the U-shaped seat structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the rack structure of the utility model.

[0021]

Main component symbol description

[0022] 1. Oil tank body; 2. Servo motor assembly; 3. Fixed plate; 4. Z-shaped positioning block; 5. Positioning groove; 6. Fixed groove; 7. U-shaped seat; 8. Rotating rod; 9. First gear; 10. Internal gear ring; 11. First bevel gear; 12. Second bevel gear; 13. Rotating rod; 14. Connecting rod; 15. Fixed sphere; 16. Second gear; 17. Rack; 18. Fixed block; 19. L-shaped support rod; 20. Sliding groove; 21. Worm wheel; 22. Worm. DETAILED DESCRIPTION

[0023] The embodiment of the utility model provides a hydraulic device in which a servo motor drives an oil pump.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, including a fuel tank body 1, a fixed plate 3 is provided on the top of the fuel tank body 1, a servo motor assembly 2 is fixedly connected to the inner side of the fixed plate 3, a plurality of Z-shaped positioning blocks 4 are fixedly connected to the outer side of the fixed plate 3, a plurality of positioning grooves 5 are opened on the top of the fuel tank body 1, the Z-shaped positioning blocks 4 are arranged inside the positioning grooves 5 and contact the fuel tank body 1, a U-shaped seat 7 is provided on one side of the plurality of Z-shaped positioning blocks 4, and the plurality of U-shaped seats 7 are fixedly connected to the fuel tank body 1, a rotating rod 13 is rotatably connected inside the U-shaped seat 7, a connecting rod 14 is fixedly connected to one side of the rotating rod 13, and a fixed ball is fixedly connected to one end of the connecting rod 14 15, the fixed sphere 15 is in contact with the top of the fixed plate 3, the outer side of the rotating rod 13 is fixedly connected to the second bevel gear 12, the outer side of the second bevel gear 12 is meshedly connected to the first bevel gear 11, the bottom of the first bevel gear 11 is fixedly connected to the rotating rod 8, the rotating rod 8 is rotatably connected to the bottom end of the U-shaped seat 7, a connecting component is provided between the rotating rod 8 and the Z-shaped positioning block 4, the outer side of the rotating rod 8 is fixedly connected to the first gear 9, multiple first gears 9 are meshedly connected with an inner ring gear 10, the inner ring gear 10 is rotatably connected to the top of the tank body 1, and a rotating structure is provided on the outer side of one of the rotating rods 8.

[0025] The rotating structure includes a worm wheel 21, which is fixedly connected to the outside of one of the rotating rods 8. A worm 22 is meshedly connected to the outside of the worm wheel 21. One end of the worm 22 passes through the inside of one of the U-shaped seats 7 and is rotatably connected to one of the U-shaped seats 7. A rotating handle is provided on the outside of one end of the worm 22.

[0026] Specifically, the technology of the oil tank body 1 adopts the technology of a high-precision hydraulic power system with a publication number of CN210949322U, which uses a servo motor to directly drive an oil pump.

[0027] Rotate the rotating handle in the opposite direction, the worm 22 meshes with the worm wheel 21, and the worm wheel 21 drives one of the first gears 9 to rotate through one of the rotating rods 8, one of the first gears 9 meshes with the inner ring gear 10, and the inner ring gear 10 meshes with multiple first gears 9, and multiple first gears 9 simultaneously drive multiple rotating rods 8 to rotate, and multiple rotating rods 8 respectively drive multiple first bevel gears 11 to rotate, and multiple first bevel gears 11 respectively mesh with multiple second bevel gears 12, and multiple second bevel gears 12 drive multiple rotating rods 13 to rotate, and the rotating rods 13 drive the fixed ball 15 away from the fixed disk 3 through the connecting rod 14, so that the fixed disk 3 can be released, and the setting of the connecting component can be cooperated to realize the release of the Z-shaped positioning block 4, and this structural design is convenient for personnel to operate and can quickly disassemble the servo motor assembly 2.

[0028] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 4The connecting assembly includes a second gear 16, which is fixedly connected to the outer side of the rotating rod 8. A rack 17 is meshed and connected to the outer side of the second gear 16. A fixed block 18 is fixedly connected to one end of the rack 17. The connecting assembly also includes an L-shaped support rod 19 and a sliding groove 20. The L-shaped support rod 19 is arranged at the other end of the rack 17. The L-shaped support rod 19 is fixedly connected to the top of the oil tank body 1. The sliding groove 20 is opened inside the rack 17. One end of the L-shaped support rod 19 extends into the sliding groove 20 and slides in contact with the rack 17. A fixed groove 6 is opened on the outer side of the Z-shaped positioning block 4. The fixed block 18 is arranged inside the fixed groove 6 and contacts the Z-shaped positioning block 4.

[0029] Specifically, when the multiple rotating rods 8 rotate, the multiple rotating rods 8 respectively drive the multiple second gears 16 to rotate simultaneously, and the multiple second gears 16 are respectively engaged with the multiple racks 17. The racks 17 drive the fixed block 18 away from the fixed groove 6 to release the Z-shaped positioning block 4, and the rack 17 slides on the L-shaped support rod 19. Through the arrangement of the second gears 16, the racks 17, the fixed block 18 and the L-shaped support rod 19, the stability of the servo motor assembly 2 is fixed.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hydraulic device for a servo motor driving an oil pump, comprising an oil tank body (1), characterized in that: A fixing plate (3) is provided on the top of the oil tank body (1), a servo motor assembly (2) is fixedly connected to the inner side of the fixing plate (3), a plurality of Z-shaped positioning blocks (4) are fixedly connected to the outer side of the fixing plate (3), a plurality of positioning grooves (5) are provided on the top of the oil tank body (1), the Z-shaped positioning blocks (4) are arranged inside the positioning grooves (5) and contact the oil tank body (1), a U-shaped seat (7) is provided on one side of the plurality of Z-shaped positioning blocks (4), the plurality of U-shaped seats (7) are fixedly connected to the oil tank body (1), a rotating rod (13) is rotatably connected inside the U-shaped seat (7), a connecting rod (14) is fixedly connected to one side of the rotating rod (13), and a fixed ball (15) is fixedly connected to one end of the connecting rod (14) The fixed sphere (15) is in contact with the top of the fixed plate (3); the outer side of the rotating rod (13) is fixedly connected to a second bevel gear (12); the outer side of the second bevel gear (12) is meshedly connected to a first bevel gear (11); the bottom of the first bevel gear (11) is fixedly connected to a rotating rod (8); the rotating rod (8) is rotatably connected to the bottom end of the U-shaped seat (7); a connecting component is provided between the rotating rod (8) and the Z-shaped positioning block (4); the outer side of the rotating rod (8) is fixedly connected to a first gear (9); a plurality of the first gears (9) are meshedly connected to an inner gear ring (10); the inner gear ring (10) is rotatably connected to the top of the oil tank body (1); a rotating structure is provided on the outer side of one of the rotating rods (8).

2. A servo motor driven oil pump hydraulic device according to claim 1, characterized in that: The connecting assembly comprises a second gear (16), the second gear (16) is fixedly connected to the outside of the rotating rod (8), the outside of the second gear (16) is meshedly connected with a rack (17), and one end of the rack (17) is fixedly connected to a fixing block (18).

3. A hydraulic device for a servo motor driving an oil pump according to claim 2, characterized in that: The connection assembly further comprises an L-shaped support rod (19) and a sliding groove (20), wherein the L-shaped support rod (19) is arranged at the other end of the rack (17), the L-shaped support rod (19) is fixedly connected to the top of the oil tank body (1), the sliding groove (20) is opened inside the rack (17), and one end of the L-shaped support rod (19) extends into the sliding groove (20) and is in sliding contact with the rack (17).

4. A servo motor driven oil pump hydraulic device according to claim 2, characterized in that: A fixing groove (6) is provided on the outside of the Z-shaped positioning block (4), and the fixing block (18) is arranged inside the fixing groove (6) and in contact with the Z-shaped positioning block (4).

5. The hydraulic device of a servo motor driving an oil pump according to claim 1, characterized in that: The rotating structure comprises a worm wheel (21), the worm wheel (21) being fixedly connected to the outside of one of the rotating rods (8), the outside of the worm wheel (21) being meshingly connected to a worm (22), one end of the worm (22) passing through the inside of one of the U-shaped seats (7) and being rotationally connected to one of the U-shaped seats (7).

6. A hydraulic device for a servo motor driving an oil pump according to claim 5, characterized in that: A rotating handle is provided on the outside of one of the U-shaped seats (7), and the rotating handle is installed on the outside of one end of the worm (22).

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