Combined electric actuator

Abstract

The utility model discloses a combined electric actuator, and relates to the technical field of electric actuators. The combined type electric actuator comprises a protective shell upper portion, a bearing shell structure and a side protective shell structure, a protective shell lower portion is arranged at the bottom of the protective shell upper portion, the bearing shell structure comprises a bearing shell, a first installation piece, a second installation piece, a first bolt and an output shaft shell, and the bearing shell is fixedly connected to the top of the protective shell upper portion; the first mounting pieces are fixedly connected with the bearing shell, the output shaft shell is arranged at the top of the bearing shell, the second mounting pieces are fixedly connected to the surface of the output shaft shell, and the upper portion of the protective shell and the lower portion of the protective shell are fixed through the side protective shell. The detachable structure of the shell solves the problems that an existing electric actuator is mostly of a fixed integrated structure, the shell is difficult to detach, and internal parts cannot be overhauled in time.

Description

Technical Field

[0001] The utility model relates to the technical field of electric actuators, in particular to a combined electric actuator. Background Art

[0002] Electric actuator, also known as electric actuator, is a driving device that can provide linear or rotational motion. It uses a certain driving energy and works under a certain control signal. The advantages of electric actuators are easy energy access, fast signal transmission speed, long transmission distance, convenient centralized control, high sensitivity and accuracy, easy to cooperate with electric regulating instruments, and simple installation and wiring.

[0003] The electric actuator is mainly composed of a motor, a reducer, a torque stroke limiter, a switch control box, a handwheel, a mechanical limit device, and a position transmitter. Due to its complex structure, the electric actuator may malfunction during operation. Most existing electric actuators are fixed integrated structures, and the outer casing is difficult to disassemble. The internal parts cannot be repaired in time, and it is inconvenient to use. Therefore, a combined electric actuator is needed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a combined electric actuator that can solve the problem that most existing electric actuators are fixed integrated structures, the outer shell is difficult to disassemble, and the internal parts cannot be repaired in time, which is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined electric actuator, comprising an upper part of a protective shell, a bearing shell structure and a side protective shell structure, the bottom of the upper part of the protective shell is provided with a lower part of the protective shell, the bearing shell structure comprises a bearing shell, a first mounting member, a second mounting member, a first bolt, and an output shaft shell, the bearing shell is fixedly connected to the top of the upper part of the protective shell, the number of the first mounting members is multiple and all are fixedly connected to the bearing shell, the output shaft shell is arranged at the top of the bearing shell, the number of the second mounting members is multiple and all are fixedly connected to the surface of the output shaft shell, each second mounting member is located at the top of the first mounting member, the first bolt is threadedly connected between the first mounting member and the second mounting member, the number of the first bolt is the same as the first mounting member, and the number of the first mounting member is the same as the second mounting member, the side protective shell structure comprises a side protective shell, a second bolt, a hand wheel, a rotating shaft and a rectangular rod, the side protective shell is arranged on one side of the upper part of the protective shell, the number of the second bolts is multiple and is equidistantly threadedly connected to the top and bottom of the side protective shell, the rotating shaft is rotatably connected to the side protective shell, the hand wheel is fixedly sleeved on the outer surface of the rotating shaft, and the rectangular rod is fixedly connected to the rotating shaft.

[0006] Preferably, an output shaft is arranged inside the upper portion of the protective housing, a bearing is arranged inside the bearing housing, and an opening is formed on the output shaft housing.

[0007] Preferably, a rotating rod is provided inside the upper portion of the protective shell, a rectangular groove is provided inside the rotating rod, and the rectangular rod is slidably connected to the rectangular groove.

[0008] Preferably, the upper portion of the protective shell and the lower portion of the protective shell are both fixedly connected to a side of the protective shell close to the side protective shell, and a mounting plate is provided on the surface of the mounting plate with a mounting screw hole adapted to the second bolt.

[0009] Preferably, a motor protective shell for accommodating the motor is fixedly connected to one side of the upper portion of the protective shell.

[0010] Preferably, a circular opening is provided at the top of the upper portion of the protective shell.

[0011] Preferably, a plurality of heat dissipation openings are equidistantly provided on the surface of the upper portion of the protective shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The combined electric actuator fixes the upper part of the protective shell and the lower part of the protective shell by the side protective shell. When a fault occurs, the side protective shell can be removed for maintenance. If the fault is serious, the upper part of the protective shell can be disassembled and separated from the lower part of the protective shell. The detachable structure of the shell solves the problem that most existing electric actuators are fixed integrated structures, the shell is difficult to disassemble, and the internal parts cannot be repaired in time, which is inconvenient to use.

[0014] (2) The combined electric actuator can realize a detachable connection between the output shaft housing and the bearing housing through the first bolt. After the bearing has been used for a long time, the bearing housing can be removed to add lubricating oil to the inside of the bearing, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the main body of the utility model;

[0017] Figure 2 This is a schematic diagram of the bearing housing structure of the utility model;

[0018] Figure 3 It is an internal schematic diagram of the utility model;

[0019] Figure 4 It is a schematic diagram of the side protection shell of the utility model;

[0020] Figure 5 It is a schematic diagram of a rectangular rod of the utility model.

[0021] Figure numerals: 1. upper part of protective housing; 2. lower part of protective housing; 3. side protective housing; 4. motor protective housing; 5. bearing housing; 6. first mounting member; 7. second mounting member; 8. first bolt; 9. output shaft housing; 10. opening; 11. output shaft; 12. mounting plate; 13. mounting screw hole; 14. round mouth; 15. second bolt; 16. hand wheel; 17. rotating shaft; 18. rectangular rod; 19. rotating rod; 20. rectangular groove; 21. heat dissipation port. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] See also Figure 1-5The utility model provides a technical solution: a combined electric actuator, including a protective shell upper part 1, a bearing shell structure and a side protective shell structure, the bottom of the protective shell upper part 1 is provided with a protective shell lower part 2, the bearing shell structure includes a bearing shell 5, a first mounting member 6, a second mounting member 7, a first bolt 8, and an output shaft shell 9, the bearing shell 5 is fixedly connected to the top of the protective shell upper part 1, the number of the first mounting members 6 is multiple and all are fixedly connected to the bearing shell 5, the output shaft shell 9 is arranged on the top of the bearing shell 5, the number of the second mounting members 7 is multiple and all are fixedly connected to the surface of the output shaft shell 9, Each second mounting member 7 is located at the top of the first mounting member 6, and the first bolt 8 is threadedly connected between the first mounting member 6 and the second mounting member 7. The number of the first bolts 8 is the same as the first mounting member 6, and the number of the first mounting members 6 is the same as the second mounting member 7. An output shaft 11 is arranged inside the upper part 1 of the protective housing, and a bearing is arranged inside the bearing housing 5. An opening 10 is opened on the output shaft housing 9. The first bolt 8 can realize a detachable connection between the output shaft housing 9 and the bearing housing 5. After the bearing has been used for a long time, the output shaft housing 9 can be disassembled to facilitate the addition of lubricating oil to the inside of the bearing, which is more convenient to use.

[0027] Furthermore, the side protective shell structure includes a side protective shell 3, a second bolt 15, a handwheel 16, a rotating shaft 17 and a rectangular rod 18. The side protective shell 3 is arranged on one side of the protective shell upper part 1. The number of the second bolts 15 is multiple and they are respectively and equidistantly threadedly connected to the top and bottom of the side protective shell 3. The rotating shaft 17 is rotatably connected to the side protective shell 3. The handwheel 16 is fixedly sleeved on the outer surface of the rotating shaft 17. The rectangular rod 18 is fixedly connected to the rotating shaft 17. A rotating rod 19 is arranged inside the protective shell upper part 1. A rectangular groove 20 is opened inside the rotating rod 19. The rectangular rod 18 is slidably connected to the rectangular groove 20. The protective shell upper part 1 and the protective shell lower part 2 are fixedly connected to a mounting plate 12 on one side close to the side protective shell 3. The surface of the mounting plate 12 is provided with a mounting screw hole 13 adapted to the second bolt 15. The second bolt 15 is connected to the mounting screw hole 1 3 is threadedly connected to the side protective shell, and the upper part 1 of the protective shell and the lower part 2 of the protective shell can be fixed by the side protective shell 3. When a fault occurs, the side protective shell 3 can be removed for inspection and maintenance. If the fault is serious, the upper part 1 of the protective shell and the lower part 2 of the protective shell can be disassembled and separated, and then the internal parts can be repaired. The rotating rod 19 is used to manually control the rotation of the output shaft. When the side protective shell 3 is installed, the rectangular rod 18 is aligned with the rectangular groove 20 and then installed. When the hand wheel 16 is turned, the rotating shaft 17 and the rectangular rod 18 can be driven to rotate, and then the rotating rod 19 can be driven to rotate to adjust the output shaft. The structure is simple and practical, and it is convenient to disassemble and repair. The cooperation of the above structure solves the problem that most of the existing electric actuators are fixed integrated structures, the shell is difficult to disassemble, and the internal parts cannot be repaired in time.

[0028] Secondly, a motor protective housing 4 for accommodating the motor is fixedly connected to one side of the protective housing upper part 1, and a motor is arranged inside the motor protective housing 4. A circular opening 14 is opened on the top of the protective housing upper part 1, and a plurality of heat dissipation openings 21 are opened at equal intervals on the surface of the protective housing upper part 1. The heat dissipation openings 21 are used for heat dissipation inside the electric actuator.

[0029] Working principle: The first bolt 8 can be used to achieve a detachable connection between the output shaft housing 9 and the bearing housing 5. After the bearing has been used for a long time, the output shaft housing 9 can be removed to facilitate the addition of lubricating oil to the inside of the bearing. When a fault occurs, the side protective housing 3 can be removed for inspection. If the fault is more serious, the upper part 1 of the protective housing and the lower part 2 of the protective housing can be disassembled and separated, and then the internal parts can be repaired. The rotating rod 19 is used to manually control the rotation of the output shaft. When the side protective housing 3 is installed, the rectangular rod 18 is aligned with the rectangular groove 20 and then installed. When the hand wheel 16 is turned, the rotating shaft 17 and the rectangular rod 18 can be driven to rotate, and then the rotating rod 19 can be driven to rotate to adjust the output shaft.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A combined electric actuator, characterized in that: include: A protective shell upper part (1), wherein a protective shell lower part (2) is arranged at the bottom of the protective shell upper part (1); A bearing housing structure, the bearing housing structure comprising a bearing housing (5), a first mounting member (6), a second mounting member (7), a first bolt (8), and an output shaft housing (9), the bearing housing (5) being fixedly connected to the top of the protective housing upper portion (1), the first mounting members (6) being multiple in number and all being fixedly connected to the bearing housing (5), the output shaft housing (9) being arranged at the top of the bearing housing (5), the second mounting members (7) being multiple in number and all being fixedly connected to the surface of the output shaft housing (9), each second mounting member (7) being located at the top of the first mounting member (6), the first bolt (8) being threadedly connected between the first mounting member (6) and the second mounting member (7), the number of the first bolts (8) being the same as the first mounting member (6), and the number of the first mounting member (6) being the same as the second mounting member (7); The side protective shell structure comprises a side protective shell (3), a second bolt (15), a hand wheel (16), a rotating shaft (17) and a rectangular rod (18); the side protective shell (3) is arranged on one side of the upper part (1) of the protective shell; the second bolt (15) is in plurality and is respectively threadedly connected to the top and the bottom of the side protective shell (3) at equal intervals; the rotating shaft (17) is rotatably connected to the side protective shell (3); the hand wheel (16) is fixedly sleeved on the outer surface of the rotating shaft (17); and the rectangular rod (18) is fixedly connected to the rotating shaft (17).

2. A combined electric actuator according to claim 1, characterized in that: An output shaft (11) is arranged inside the upper part (1) of the protective housing, a bearing is arranged inside the bearing housing (5), and an opening (10) is opened on the output shaft housing (9).

3. A combined electric actuator according to claim 2, characterized in that: A rotating rod (19) is arranged inside the upper part (1) of the protective shell, a rectangular groove (20) is opened inside the rotating rod (19), and the rectangular rod (18) is slidably connected to the rectangular groove (20).

4. A combined electric actuator according to claim 3, characterized in that: The upper part (1) of the protective shell and the lower part (2) of the protective shell are both fixedly connected to a mounting plate (12) on one side close to the side protective shell (3), and a mounting screw hole (13) adapted to the second bolt (15) is provided on the surface of the mounting plate (12).

5. A combined electric actuator according to claim 4, characterized in that: A motor protection housing (4) for accommodating a motor is fixedly connected to one side of the upper portion (1) of the protection housing.

6. A combined electric actuator according to claim 5, characterized in that: A circular opening (14) is provided at the top of the upper part (1) of the protective shell.

7. A combined electric actuator according to claim 6, characterized in that: The surface of the upper part (1) of the protective shell is provided with a plurality of heat dissipation openings (21) at equal intervals.

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