Automatic turnover device for heavy object

Abstract

The utility model relates to an automatic turnover device, in particular to an automatic turnover device for a heavy object. The utility model aims to solve the problem that the loading capacity of the existing automatic heavy object overturning structure is poor. The turnover mechanism comprises a shell, a motor, a turnover arm, a fixed connecting piece and a turnover connecting piece, the device further comprises a trapezoidal gear assembly, a gravity balance elastic piece and a transmission lever rocker. The outer end of the transmission lever rocker is fixedly connected with the inner side of the tail end of the overturning arm, the inner end of the transmission lever rocker penetrates through the outer wall of the shell to be connected with the trapezoidal gear assembly arranged in the shell, a motor shaft of the motor is connected with the trapezoidal gear assembly, and the fixed connecting piece is fixed to the outer side wall of the shell and located below the overturning arm. The overturning connecting piece is fixed to the outer side of the overturning arm, one end of the gravity balance elastic piece is connected with the trapezoidal gear assembly, and the other end of the gravity balance elastic piece is connected with the inner wall of the shell. The utility model belongs to the technical field of intelligent driving.

Description

Technical Field

[0001] The utility model relates to an automatic turning device, belonging to the technical field of intelligent driving. Background Art

[0002] The automatic heavy object turner is mainly used to automate some manual turning equipment so that it can be upgraded to intelligent ones. The existing automatic heavy object turner is mainly composed of a motor and a common gear transmission structure. In actual use, it often slips or stops due to overload due to insufficient load-bearing capacity, resulting in the performance of the turned equipment failing to meet the use requirements. Utility Model Content

[0003] The utility model aims to solve the problem that the existing automatic overturning structure for heavy objects has poor load-bearing capacity, and further proposes an automatic overturning device for heavy objects.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problems is: the utility model includes a shell, a motor, a flip arm, a fixed connecting piece and a flip connecting piece; it also includes a trapezoidal gear assembly, a gravity balancing elastic piece and a transmission lever rocker; the outer end of the transmission lever rocker is fixedly connected to the inner side of the end of the flip arm, the inner end of the transmission lever rocker passes through the outer wall of the shell and is connected to the trapezoidal gear assembly arranged in the shell, the motor shaft of the motor is connected to the trapezoidal gear assembly, the fixed connecting piece is fixed on the outer side wall of the shell, and the fixed connecting piece is located below the flip arm, the flip connecting piece is fixed on the outside of the flip arm, one end of the gravity balancing elastic piece is connected to the trapezoidal gear assembly, and the other end of the gravity balancing elastic piece is connected to the inner wall of the shell.

[0005] Furthermore, the trapezoidal gear assembly includes a motor trapezoidal gear, a first trapezoidal gear, a second trapezoidal gear, a third trapezoidal gear and a transmission trapezoidal gear; the motor trapezoidal gear, the first trapezoidal gear, the second trapezoidal gear, the third trapezoidal gear and the transmission trapezoidal gear are rotatably installed in the shell in sequence, the motor trapezoidal gear is coaxially fixed on the motor shaft of the motor, the motor trapezoidal gear is meshed with the first trapezoidal gear, the first trapezoidal gear is meshed with the second trapezoidal gear, the second trapezoidal gear is meshed with the third trapezoidal gear, the third trapezoidal gear is meshed with the transmission trapezoidal gear, the transmission trapezoidal gear is coaxially fixed on the inner end of the transmission lever rocker, one end of the gravity balancing elastic member is connected to the transmission trapezoidal gear, and the other end of the gravity balancing elastic member is connected to the inner wall of the shell.

[0006] Furthermore, the transmission ratio of the first trapezoidal gear is 25:10.

[0007] Furthermore, the transmission ratio of the second trapezoidal gear is 25:10.

[0008] Furthermore, the transmission ratio of the third trapezoidal gear is 30:10.

[0009] Furthermore, the gravity-balancing elastic member is a spring.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model installs a gravity balancing elastic member on the rim of the transmission trapezoidal gear. According to the lever principle, the gravity borne by the flip arm can be offset by the gravity elastic member, thereby maximizing the power and improving the load-bearing capacity of the flip arm to avoid slipping or overload shutdown.

[0012] 2. The utility model adopts a stepped gear set for power transmission, which increases the power transmission torque and improves the load-bearing capacity of the flip arm;

[0013] 3. The utility model adopts four-stage transmission and one-stage assistance, with a transmission ratio of 2.5:1\2.5:1\3:1\3:1. The gravity-balancing elastic part is used to assist in balancing the front-end weight, thereby increasing the overall load-bearing capacity and improving the rollover stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model. DETAILED DESCRIPTION

[0016] Specific implementation method 1: Figure 1 and Figure 2 As shown, a heavy object automatic flipping device includes a shell 8, a motor 9, a flip arm 10, a fixed connection member 11 and a flip connection member 12; it also includes a trapezoidal gear assembly, a gravity balancing elastic member 6 and a transmission lever rocker 7; the outer end of the transmission lever rocker 7 is fixedly connected to the inner side of the end of the flip arm 10, the inner end of the transmission lever rocker 7 passes through the outer wall of the shell 8 and is connected to the trapezoidal gear assembly arranged in the shell 8, the motor 9 is fixed in the shell 8 by a mounting plate 13 fixedly installed in the shell 8, the motor shaft of the motor 9 is connected to the trapezoidal gear assembly, the fixed connection member 11 is fixed on the outer side wall of the shell 8, and the fixed connection member 11 is located below the flip arm 10, the flip connection member 12 is fixed to the outside of the flip arm 10, one end of the gravity balancing elastic member 6 is connected to the trapezoidal gear assembly, and the other end of the gravity balancing elastic member 6 is connected to the inner wall of the shell 8

[0017] Specific implementation method 2: Figure 1 and Figure 2As shown, on the basis of the specific implementation mode one, the trapezoidal gear assembly includes a motor trapezoidal gear 1, a first trapezoidal gear 2, a second trapezoidal gear 3, a third trapezoidal gear 4 and a transmission trapezoidal gear 5; the motor trapezoidal gear 1 is coaxially fixed on the motor shaft of the motor 9, the first trapezoidal gear 2 is installed in the housing 8 by rotation, the second trapezoidal gear 3 is installed in the housing 8 through a rotating shaft, the third trapezoidal gear 4 is installed in the housing 8 through a rotating shaft, and the transmission trapezoidal gear 5 is coaxially fixed on the inner end of the transmission lever rocker 7, the motor trapezoidal gear 1 is meshed with the gear of the first trapezoidal gear 2, the pinion of the first trapezoidal gear 2 is meshed with the gear of the second trapezoidal gear 3, the pinion of the second trapezoidal gear 3 is meshed with the gear of the third trapezoidal gear 4, the pinion of the third trapezoidal gear 4 is meshed with the transmission trapezoidal gear 5, the transmission trapezoidal gear 5 is a half gear, the tail of the transmission trapezoidal gear 5 is fixedly connected to one end of the gravity balancing elastic member 6, and the other end of the gravity balancing elastic member 6 is fixedly connected to the inner wall of the housing 8.

[0018] The cross section of the inner end of the transmission lever rocker 7 is rectangular, and the transmission trapezoidal gear 5 is provided with a square hole matching the cross section of the inner end of the transmission lever rocker 7, and the inner end of the transmission lever rocker 7 is inserted into the square hole.

[0019] Among them, the transmission ratio of the first trapezoidal gear 2 is 25:10.

[0020] Among them, the transmission ratio of the second trapezoidal gear 3 is 25:10.

[0021] Among them, the transmission ratio of the third trapezoidal gear 4 is 30:10.

[0022] During the working process, the motor shaft of the motor 9 drives the motor trapezoidal gear 1 to rotate, the motor trapezoidal gear 1 drives the first trapezoidal gear 2 to rotate, the first trapezoidal gear 2 drives the second trapezoidal gear 3 to rotate, the second trapezoidal gear 3 drives the third trapezoidal gear 4 to rotate, the third trapezoidal gear 4 drives the transmission trapezoidal large gear 5 to rotate, the transmission trapezoidal large gear 5 drives the flip arm 10 to rotate through the transmission lever rocker 7, and the flip arm 10 flips with the transmission lever rocker 7 as the rotating axis.

[0023] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent replacement and improvement of the above embodiments made according to the technical essence of the present invention, within the spirit and principles of the present invention, without departing from the content of the technical solution of the present invention, still fall within the protection scope of the technical solution of the present invention.

Claims

1. A heavy object automatic turning device, comprising a housing (8), a motor (9), a turning arm (10), a fixed connection member (11) and a turning connection member (12); characterized in that: The invention also comprises a trapezoidal gear assembly, a gravity balancing elastic member (6) and a transmission lever rocker (7); the outer end of the transmission lever rocker (7) is fixedly connected to the inner side of the end of the flip arm (10); the inner end of the transmission lever rocker (7) passes through the outer wall of the housing (8) and is connected to the trapezoidal gear assembly arranged in the housing (8); the motor shaft of the motor (9) is connected to the trapezoidal gear assembly; the fixed connecting member (11) is fixed to the outer side wall of the housing (8), and the fixed connecting member (11) is located below the flip arm (10); the flip connecting member (12) is fixed to the outer side of the flip arm (10); one end of the gravity balancing elastic member (6) is connected to the trapezoidal gear assembly; and the other end of the gravity balancing elastic member (6) is connected to the inner wall of the housing (8).

2. The automatic turning device for heavy objects according to claim 1, characterized in that: The trapezoidal gear assembly comprises a motor trapezoidal gear (1), a first trapezoidal gear (2), a second trapezoidal gear (3), a third trapezoidal gear (4) and a transmission trapezoidal gear (5); the motor trapezoidal gear (1), the first trapezoidal gear (2), the second trapezoidal gear (3), the third trapezoidal gear (4) and the transmission trapezoidal gear (5) are rotatably mounted in sequence in a housing (8); the motor trapezoidal gear (1) is coaxially fixed on a motor shaft of a motor (9); the motor trapezoidal gear (1) and the first trapezoidal gear (2) are coaxially fixed on a motor shaft of a motor (9); A trapezoidal gear (2) is meshed with a first trapezoidal gear (2), the first trapezoidal gear (2) is meshed with a second trapezoidal gear (3), the second trapezoidal gear (3) is meshed with a third trapezoidal gear (4), the third trapezoidal gear (4) is meshed with a transmission trapezoidal gearwheel (5), the transmission trapezoidal gearwheel (5) is coaxially fixedly sleeved on the inner end of a transmission lever rocker (7), one end of a gravity balancing elastic member (6) is connected to the transmission trapezoidal gearwheel (5), and the other end of the gravity balancing elastic member (6) is connected to the inner wall of a housing (8).

3. The automatic turning device for heavy objects according to claim 2, characterized in that: The transmission ratio of the first trapezoidal gear (2) is 25:

10.

4. The automatic turning device for heavy objects according to claim 2, characterized in that: The transmission ratio of the second trapezoidal gear (3) is 25:

10.

5. The automatic turning device for heavy objects according to claim 2, characterized in that: The transmission ratio of the third trapezoidal gear (4) is 30:

10.

6. The automatic turning device for heavy objects according to claim 1 or 2, characterized in that: The gravity balancing elastic member (6) is a spring.

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