A planetary reduction gear electric adjustment pipeline mechanism

Abstract

The utility model discloses a planetary reduction gear electric pipeline adjustment mechanism, which relates to the technical field of planetary reduction gears. In the utility model, since a receiving wheel and an oblique driven gear are both arranged on a metal shaft, the coaxiality of the receiving wheel and the oblique driven gear in rotation is ensured, and at both ends of the metal shaft are provided with limiting copper sleeves, and a first fixed seat and a second fixed seat are fixed on a fixed support plate, thereby ensuring the stability and reliability of the operation of the planetary reduction gear electric pipeline adjustment mechanism; since a steel wire passes through a receiving wheel groove, an inner hole and a tension spring, and is fixed on a steel wire head, the tension spring is in a tightened state, and the tension spring and the steel wire head move in the inner hole of an adjusting screw, thereby ensuring the accuracy and reliability of the movement, and the steel wire has a certain telescopic space in a natural state or a telescopic state, thereby ensuring that the steel wire can restore its natural state after rotation and coiling, thereby ensuring that the pipeline is in a straight state.

Description

Technical Field

[0001] The utility model relates to the technical field of planetary reduction gears, in particular to an electric adjustment pipeline mechanism of a planetary reduction gear. Background Art

[0002] The main features of planetary gear reducers are small size, large load capacity and stable operation. The product requires a large space, the rotation torque is small, and the expected rotation angle cannot be achieved; after winding, the pipeline is not easy to straighten into a straight line, especially the longer the pipeline, the more obvious the defect; the structural space is not compact enough, and the layout is not precise. Utility Model Content

[0003] In order to solve the defects in the prior art, the utility model provides a planetary reduction gear electric adjustment pipeline mechanism.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses a planetary reduction gear electric adjustment pipeline mechanism, comprising two fixed support plates, the top ends of the two fixed support plates are provided with a first fixed seat and a second fixed seat, a metal shaft is provided between the two first fixed seats, a limiting copper sleeve, a helical driven gear and a storage wheel are provided in sequence from the end to the middle of the metal shaft, the outer wall of the storage wheel is provided with a storage wheel groove, and the outer wall of the storage wheel is provided with two adjusting rods, the adjusting rod is provided with a threaded adjustment slot hole, the threaded adjustment slot hole is connected with an adjusting screw, the adjusting screw is provided with an inner hole, a tension spring and a steel wire head are provided in sequence from one end to the other end of the inner hole, a steel wire is connected to the steel wire head, the other end of the steel wire passes through the tension spring and passes through the inner hole of the adjusting screw, and this end of the steel wire passes through the storage wheel groove; a brushless motor perpendicular to the metal shaft is installed on the second fixed seat, and the output shaft of the brushless motor is provided with a helical driving gear meshing with the helical driven gear.

[0006] As a preferred technical solution of the utility model, the brushless motor is provided with an angle encoder.

[0007] As a preferred technical solution of the utility model, the brushless motor is provided with a Hall sensor.

[0008] As a preferred technical solution of the present utility model, the two second fixing seats are connected via a reinforcing connecting plate.

[0009] As a preferred technical solution of the present utility model, the first fixing seat is made of aluminum alloy.

[0010] As a preferred technical solution of the present utility model, the first fixing seat is connected to the metal shaft via a bearing.

[0011] The beneficial effects of the utility model are:

[0012] 1. This planetary reduction gear electric pipeline adjustment mechanism, since the storage wheel and the oblique driven gear are both arranged on the metal shaft, the coaxiality of the storage wheel and the oblique driven gear is guaranteed. At the same time, both ends of the metal shaft are provided with limiting copper sleeves, and the first fixed seat and the second fixed seat are fixed on the fixed support plate, which ensures the stability and reliability of the operation of the planetary reduction gear electric pipeline adjustment mechanism; since the steel wire passes through the storage wheel groove, the inner hole and the tension spring, and is fixed on the steel wire head, the tension spring is in a tightened state, and the tension spring and the steel wire head move in the inner hole of the adjusting screw, which ensures the accuracy and reliability of the movement. The steel wire has a certain expansion and contraction space in the natural state or the expansion and contraction state, which ensures that the steel wire can return to its natural state after rotation and coiling, thereby ensuring that the pipeline is in a straight state.

[0013] 2. This kind of planetary reduction gear electronically adjustable pipeline mechanism shortens the width of the pipeline through the brushless motor with an angle encoder and a Hall sensor, while improving the stability of operation and the straightness of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the structure of a planetary reduction gear electric adjustment pipeline mechanism of the utility model;

[0016] Figure 2 It is a partial enlarged structural schematic diagram of a planetary reduction gear electric adjustment pipeline mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of an adjusting screw of an electric adjustment pipeline mechanism of a planetary reduction gear of the utility model;

[0018] Figure 4 The utility model discloses a cross-sectional view of an adjusting screw structure of an electric regulating pipeline mechanism of a planetary reduction gear.

[0019] In the figure: 1. fixed support plate; 2. first fixed seat; 3. second fixed seat; 4. metal shaft; 5. limiting copper sleeve; 6. oblique driven gear; 7. storage wheel; 701. storage wheel groove; 8. adjustment rod; 9. threaded adjustment slot hole; 10. adjustment screw; 1001. inner hole; 11. tension spring; 12. steel wire head; 14. steel wire; 15. brushless motor; 16. oblique driving gear; 17. reinforcement connecting plate. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is a planetary reduction gear electric adjustment pipeline mechanism, comprising two fixed support plates 1, the tops of the two fixed support plates 1 are each provided with a first fixed seat 2 and a second fixed seat 3, a metal shaft 4 is provided between the two first fixed seats 2, and a limiting copper sleeve 5, an oblique driven gear 6 and a receiving wheel 7 are sequentially provided on the metal shaft 4 from the end to the middle, the outer wall of the receiving wheel 7 is provided with a receiving wheel groove 701, and the outer wall of the receiving wheel 7 is provided with two adjusting rods 8, the adjusting rod 8 is provided with a threaded adjustment slot hole 9, and the threaded adjustment slot hole 9 has an inner thread The adjusting screw 10 is connected, and an inner hole 1001 is formed on the adjusting screw 10. A tension spring 11 and a wire head 12 are arranged in sequence from one end to the other end of the inner hole 1001. A steel wire 14 is connected to the wire head 12. The other end of the steel wire 14 passes through the tension spring 11 and passes through the inner hole 1001 of the adjusting screw 10, and this end of the steel wire 14 passes through the receiving wheel groove 701. A brushless motor 15 perpendicular to the metal shaft 4 is installed on the second fixing seat 3, and an output shaft of the brushless motor 15 is installed with an oblique driven gear 6 meshing with the oblique driven gear 6. The driving gear 16, since the receiving wheel 7 and the oblique driven gear 6 are both arranged on the metal shaft 4, the coaxiality of the receiving wheel 7 and the oblique driven gear 6 is guaranteed. At the same time, both ends of the metal shaft 4 are provided with a limiting copper sleeve 5, and the first fixed seat 2 and the second fixed seat 3 are fixed on the fixed support plate 1, which ensures the stability and reliability of the operation of the planetary reduction gear electric adjustment pipeline mechanism; since the steel wire 14 passes through the receiving wheel 7 groove, the inner hole 1001 and the tension spring 11, and is fixed on the head 12 of the steel wire 14, the tension spring 11 is in a top-tightened state, and the tension The extension spring 11 and the head 12 of the steel wire 14 move in the inner hole 1001 of the adjusting screw 10, which ensures the accuracy and reliability of the movement. The steel wire 14 has a certain expansion and contraction space in the natural state or the expansion and contraction state, which ensures that the steel wire 14 can return to its natural state after rotation and coiling, thereby ensuring that the pipeline is in a straight line state. The transmission ratio of the helical driving gear 16 and the helical driven gear 6 is 1:2.8, so that the torque transmitted to the storage wheel 7 is increased by nearly 2.5 times, and a 90° turn is achieved at the same time, which can more reasonably stack components and save space.

[0022] Among them, the brushless motor 15 is provided with an angle encoder, and the brushless motor 15 is provided with a Hall sensor. By providing the angle encoder and the Hall sensor on the brushless motor 15, the width of the pipeline is shortened, and the stability of operation and the straightness of the pipeline are improved at the same time. The torque is 50% greater than that of the previous servo. The software FOC algorithm can know the rotation angle of the storage wheel 7 and the position state relative to the setting "0", so as to better adjust the parameters of the brushless motor 15 and achieve the most reasonable state of movement.

[0023] The two second fixing seats 3 are connected via a reinforcing connecting plate 17 , thereby improving the connection stability of the two second fixing seats 3 .

[0024] Wherein, the first fixing seat 2 is made of aluminum alloy.

[0025] The first fixing seat 2 is connected to the metal shaft 4 via a bearing to ensure the stability and reliability of the mechanism operation.

[0026] During operation, the planetary reduction gear electric pipeline adjustment mechanism, since both the receiving wheel 7 and the oblique driven gear 6 are arranged on the metal shaft 4, ensures the coaxiality of the rotation of the receiving wheel 7 and the oblique driven gear 6. At the same time, both ends of the metal shaft 4 are provided with limiting copper sleeves 5, and the first fixed seat 2 and the second fixed seat 3 are fixed on the fixed support plate 1, ensuring the stability and reliability of the operation of the planetary reduction gear electric pipeline adjustment mechanism; since the steel wire 14 passes through the receiving wheel 7 groove, the inner hole 1001 and the tension spring 11, and is fixed on the head 12 of the steel wire 14, the tension spring 11 is in a tightened state, and the tension spring 11 and the head 12 of the steel wire 14 move in the inner hole 1001 of the adjusting screw 10, ensuring the accuracy and reliability of the movement, the steel wire 14 has a certain telescopic space in the natural state or the telescopic state, ensuring that the steel wire 14 can return to its natural state after rotation and coiling, thereby ensuring that the pipeline is in a straight state.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A planetary reduction gear electric adjustment pipeline mechanism, comprising two fixed support plates (1), characterized in that: The top ends of the two fixed support plates (1) are each provided with a first fixed seat (2) and a second fixed seat (3); a metal shaft (4) is provided between the two first fixed seats (2); a limiting copper sleeve (5), an oblique driven gear (6) and a receiving wheel (7) are sequentially provided on the metal shaft (4) from the end to the middle; a receiving wheel groove (701) is provided on the outer wall of the receiving wheel (7); and two adjusting rods (8) are provided on the outer wall of the receiving wheel (7); a threaded adjusting slot hole (9) is provided on the adjusting rod (8); an adjusting screw (10) is connected to the inner thread of the threaded adjusting slot hole (9); and the adjusting screw (10) is provided with a An inner hole (1001) is provided with a tension spring (11) and a wire head (12) in sequence from one end to the other end of the inner hole (1001); a steel wire (14) is connected to the steel wire head (12); the other end of the steel wire (14) passes through the tension spring (11) and passes out of the inner hole (1001) of the adjusting screw (10), and this end of the steel wire (14) passes through the receiving wheel groove (701); a brushless motor (15) perpendicular to the metal shaft (4) is installed on the second fixing seat (3); and a helical driving gear (16) meshing with the helical driven gear (6) is installed on the output shaft of the brushless motor (15).

2. The planetary reduction gear electric adjustment pipeline mechanism according to claim 1, characterized in that: The brushless motor (15) is provided with an angle encoder.

3. The planetary reduction gear electric adjustment pipeline mechanism according to claim 1, characterized in that: The brushless motor (15) is provided with a Hall sensor.

4. The planetary reduction gear electric adjustment pipeline mechanism according to claim 1, characterized in that: The two second fixing seats (3) are connected via a reinforcing connecting plate (17).

5. The planetary reduction gear electric adjustment pipeline mechanism according to claim 1, characterized in that: The first fixing seat (2) is made of aluminum alloy.

6. The planetary reduction gear electric adjustment pipeline mechanism according to claim 1, characterized in that: The first fixing seat (2) is connected to the metal shaft (4) via a bearing.

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