Dual-redundancy precision gear transmission device

Abstract

The utility model discloses a dual-redundancy precision gear transmission device which comprises an installation shell, a dual-redundancy gear mechanism is arranged in the installation shell, the right surface of the dual-redundancy gear mechanism is fixedly connected with an output shaft, the output shaft penetrates through the right wall of the installation shell, a flow guide groove is formed in the lower inner wall of the installation shell, and the flow guide groove is communicated with the installation shell. The inner wall of the mounting shell is fixedly connected with a profiling isolating membrane, the upper end of the profiling isolating membrane is fixedly connected with a rubber sealing edge, the lower surface of the rubber sealing edge is in close contact with the upper surface of the mounting shell, the upper surface of the mounting shell is fixedly connected with a sealing shell, and the inner wall of the sealing shell is fixedly connected with an upper isolating membrane; and the upper isolating membrane and the profiling isolating membrane are both made of polytetrafluoroethylene materials, the upper surface of the mounting shell is fixedly connected with an oiling connector, and the oiling connector and the dual-redundancy gear mechanism are distributed oppositely up and down. Through the device, a worker can conveniently clean and maintain the working space of the gear transmission mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of gear transmission devices, in particular to a double-redundant precision gear transmission device. Background Art

[0002] The double redundant gear transmission mechanism has the advantages of high precision, high efficiency and strong load capacity. The double redundant gear transmission mechanism also requires lubricating oil to assist the gears to work during use. The gears will cause lubricating oil to splash during operation, seriously affecting the maintenance and cleaning of the gear transmission device. The "gear box transmission device" disclosed by the China Patent Network has an application number of "202320692530.1". The device is directly connected to the gear box body and the motor to reduce the gap between the relevant parts of the gear transmission device, thereby reducing the difficulty of cleaning. However, the device increases the difficulty of maintenance of the gear transmission mechanism and still affects the comfort of use of the gear transmission device. Utility Model Content

[0003] 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 double-redundant precision gear transmission device. The double-redundant gear transmission device is convenient for adding lubricating oil to assist the gear mechanism to work during use, and is convenient for staff to quickly clean the working space of the gear transmission mechanism, so as to facilitate and quickly perform maintenance work on the gear transmission mechanism, reduce the difficulty of maintenance, and improve the comfort of use of the gear transmission device.

[0004] The utility model also provides a double-redundancy precision gear transmission device as described above, comprising: a mounting shell, a double-redundancy gear mechanism is arranged inside the mounting shell, the double-redundancy gear mechanism is a commonly used double-redundancy gear structure, an output shaft is fixedly connected to the right surface of the double-redundancy gear mechanism, the output shaft passes through the right wall of the mounting shell, a guide groove is arranged on the lower inner wall of the mounting shell, the guide groove is funnel-shaped, the lower end of the guide groove passes through the lower surface of the mounting shell, a contoured isolation membrane is fixedly connected to the inner wall of the mounting shell, and the contoured isolation membrane completely fits the inner wall of the mounting shell, The upper end of the contoured isolation membrane is fixedly connected with a rubber edge seal, the lower surface of the rubber edge seal is in close contact with the upper surface of the mounting shell, the upper surface of the mounting shell is fixedly connected with a sealing shell, the inner wall of the sealing shell is fixedly connected with an upper isolation membrane, the lower end of the upper isolation membrane is clamped with the upper surface of the rubber edge seal, and both the upper isolation membrane and the contoured isolation membrane are made of polytetrafluoroethylene, the upper surface of the mounting shell is fixedly connected with a refueling interface, the lower end of the refueling interface penetrates the upper walls of the mounting shell and the upper isolation membrane, and the refueling interface and the double redundant gear mechanism are relatively distributed up and down.

[0005] According to the double-redundancy precision gear transmission device described in the utility model, a protection tube is threadedly connected to the right surface of the mounting shell, and the output shaft is located inside the protection tube. Through the above device, the sealing performance of the connection is improved.

[0006] According to the double-redundancy precision gear transmission device described in the utility model, a cavity is arranged inside the protection tube, the cavity does not pass through the left end of the protection tube, and a rubber filling tube is arranged on the inner wall of the cavity. Through the above device, the anti-collision ability of the connection is improved.

[0007] According to the double-redundancy precision gear transmission device described in the utility model, the right end of the rubber filling tube is fixedly connected with a rubber fixing ring, and the rubber fixing ring is threadedly connected to the protection tube. Through the above device, the wear effect of the protection tube on the connection is reduced.

[0008] According to the double-redundant precision gear transmission device described in the utility model, the lower surface of the mounting shell is threadedly connected with a collecting box, and the collecting box and the guide groove are mutually connected. Through the above device, splashed lubricating oil can be conveniently collected.

[0009] According to the double-redundancy precision gear transmission device described in the utility model, a sealing groove is arranged on the upper surface of the mounting shell, and the rubber sealing edge is located inside the sealing groove. The above device can improve the stability of the contour isolation membrane when in use.

[0010] According to the double-redundancy precision gear transmission device described in the utility model, a protrusion is fixedly connected to the lower surface of the rubber edge seal. Through the above device, the stability of the contoured isolation membrane during use is further improved.

[0011] According to the double-redundancy precision gear transmission device described in the utility model, a sealing gasket is fixedly connected to the lower surface of the sealing shell, and the lower end of the sealing gasket is located inside the sealing groove. Through the above device, the sealing performance is improved.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, this double-redundant precision gear transmission device prevents splashing lubricating oil from adhering to the inner wall of the gear transmission mechanism protective shell through a contoured isolation diaphragm, a rubber fixing ring, an upper isolation diaphragm, a guide groove, and a collection box, and at the same time facilitates the collection of splashing lubricating liquid, thereby improving the cleaning convenience of the gear transmission device.

[0014] 2. Compared with the prior art, this double-redundant precision gear transmission device improves the tightness of the gear transmission device itself through sealing gaskets, protective tubes, and rubber filling tubes, prevents external impurities from directly affecting the operation of the gear transmission mechanism, and reduces the impact of collisions and vibrations on the gear transmission device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 1 This is a left-side structural diagram of a double-redundant precision gear transmission device of the utility model in a disassembled state;

[0017] Figure 2 This is a right-side structural diagram of a double-redundant precision gear transmission device of the utility model in a disassembled state;

[0018] Figure 3 This is a bottom-up structural diagram of a double-redundant precision gear transmission device of the utility model in a disassembled state;

[0019] Figure 4 The utility model is a double redundant precision gear transmission device Figure 2 Enlarged structural diagram at point A in the middle.

[0020] Legend:

[0021] 1. Mounting shell; 2. Sealing shell; 3. Refueling interface; 4. Double redundant gear mechanism; 5. Protective tube; 6. Rubber filling tube; 7. Rubber fixing ring; 8. Guide groove; 9. Sealing groove; 10. Contour isolation membrane; 11. Rubber edge sealing; 12. Sealing gasket; 13. Upper isolation membrane; 14. Protrusion; 15. Collection box; 16. Cavity; 17. Output shaft. 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] Reference Figure 1-4The utility model embodiment is a double-redundancy precision gear transmission device, which includes: a mounting shell 1, a double-redundancy gear mechanism 4 is arranged inside the mounting shell 1, and the double-redundancy gear mechanism 4 is a commonly used double-redundancy gear structure. The right surface of the double-redundancy gear mechanism 4 is fixedly connected with an output shaft 17, and the output shaft 17 passes through the right wall of the mounting shell 1. A protective tube 5 is threadedly connected to the right surface of the mounting shell 1. The output shaft 17 is located inside the protective tube 5. The protective tube 5 increases the sealing performance of the gear transmission device and the connection. A cavity 16 is arranged inside the protective tube 5, and the cavity 16 does not pass through the left end of the protective tube 5. A rubber filling tube 6 is arranged on the inner wall of the cavity 16. The rubber filling tube 6 reduces the influence of external collision on the external connection of the gear transmission device. A rubber fixing ring 7 is fixedly connected to the right end of the rubber filling tube 6. The rubber fixing ring 7 is threadedly connected to the protective tube 5. The rubber fixing ring 7 prevents the right end of the protective tube 5 from being severely worn.

[0024] A guide groove 8 is provided on the lower inner wall of the mounting shell 1. The guide groove 8 is funnel-shaped. The lower end of the guide groove 8 passes through the lower surface of the mounting shell 1. A collecting box 15 is threadedly connected to the lower surface of the mounting shell 1. The collecting box 15 and the guide groove 8 are mutually connected. The funnel-shaped guide groove 8 is convenient for concentrating the lubricating oil on the bottom wall of the mounting shell 1 at one point. The guide groove 8 cooperates with the collecting box 15 to conveniently collect the downstream lubricating oil and improve the convenience of removing the lubricating oil.

[0025] The inner wall of the mounting shell 1 is fixedly connected with a profiling isolation membrane 10, which is completely in contact with the inner wall of the mounting shell 1. The profiling isolation membrane 10 avoids the smooth surface of the polytetrafluoroethylene film, which is not easy to adhere to debris and has sufficient anti-adhesion formation. Therefore, the existence of the profiling isolation membrane 10 ensures that a large amount of lubricating oil will not adhere to the inner wall of the mounting shell 1, and ensures that the splashing lubricating oil is collected by the collection box 15 through the guide groove 8. At the same time, the polytetrafluoroethylene film also has the ability to reduce noise, so the profiling isolation membrane 10 can reduce the gear transmission machine. The noise generated by the structure, the upper end of the profiling isolation membrane 10 is fixedly connected with a rubber edge seal 11, the lower surface of the rubber edge seal 11 is in close contact with the upper surface of the mounting shell 1, the rubber edge seal 11 is convenient for fixing the profiling isolation membrane 10, and at the same time it is convenient for the staff to uniformly separate the profiling isolation membrane 10, the lower surface of the rubber edge seal 11 is fixedly connected with a protrusion 14, the upper surface of the mounting shell 1 is provided with a sealing groove 9, the rubber edge seal 11 is located inside the sealing groove 9, and the protrusion 14 cooperates with the sealing groove 9 to improve the stability of the profiling isolation membrane 10 when it is in action.

[0026] The upper surface of the mounting shell 1 is fixedly connected with a sealing shell 2, and the lower surface of the sealing shell 2 is fixedly connected with a sealing gasket 12, the lower end of the sealing gasket 12 is located inside the sealing groove 9, and the sealing gasket 12 cooperates with the sealing groove 9 to improve the sealing performance after the mounting shell 1 and the sealing shell 2 are connected, and the inner wall of the sealing shell 2 is fixedly connected with an upper isolation membrane 13, and the lower end of the upper isolation membrane 13 is clamped with the upper surface of the rubber sealing edge 11, and the upper isolation membrane 13 and the contoured isolation membrane 10 are both made of polytetrafluoroethylene. The upper isolation membrane 13 and the contoured isolation membrane 10 cooperate with each other to ensure that a large amount of lubricating oil will not be attached to the inner walls of the mounting shell 1 and the sealing shell 2, and the upper surface of the mounting shell 1 is fixedly connected with a refueling interface 3, and the lower end of the refueling interface 3 penetrates the upper walls of the mounting shell 1 and the upper isolation membrane 13, and the refueling interface 3 and the double redundancy gear mechanism 4 are relatively distributed up and down, and the positional relationship between the refueling interface 3 and the double redundancy gear mechanism 4 is convenient for the staff to accurately add lubricating oil.

[0027] Working principle: When installing the contoured isolation membrane 10, first dock the rubber sealing edge 11 with the contoured isolation membrane 10, and then place the contoured isolation membrane 10 on the inner wall of the mounting shell 1. At this time, use an appropriate temperature to heat the contoured isolation membrane 10 so that the contoured isolation membrane 10 is completely in contact with the inner wall of the mounting shell 1. At this time, install the double-redundant gear mechanism 4 inside the mounting shell 1. When installing the gear transmission device, first dock the rubber filling tube 6 and the rubber fixing ring 7 with the protective tube 5, and then dock the protective tube 5 with the mounting position of the gear transmission device. At this time, the gear transmission device can be docked with the connection. After the gear transmission device is docked, connect the protective tube 5 with the mounting shell 1. When using the gear transmission device, add lubricating oil to the double-redundant gear mechanism 4 through the refueling interface 3. The contoured isolation membrane 10, the upper isolation membrane 13 and the guide groove 8 cooperate with each other to ensure that the splashed lubricating oil is collected by the collection box 15.

[0028] 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, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A double-redundant precision gear transmission device, characterized in that: include: A mounting shell (1), wherein a double redundant gear mechanism (4) is arranged inside the mounting shell (1), wherein the double redundant gear mechanism (4) is a commonly used double redundant gear structure, and an output shaft (17) is fixedly connected to the right surface of the double redundant gear mechanism (4), and the output shaft (17) passes through the right wall of the mounting shell (1); The lower inner wall of the mounting shell (1) is provided with a guide groove (8), the guide groove (8) is funnel-shaped, the lower end of the guide groove (8) penetrates the lower surface of the mounting shell (1), the inner wall of the mounting shell (1) is fixedly connected with a contoured isolation membrane (10), the contoured isolation membrane (10) completely fits the inner wall of the mounting shell (1), the upper end of the contoured isolation membrane (10) is fixedly connected with a rubber sealing edge (11), the lower surface of the rubber sealing edge (11) is in close contact with the upper surface of the mounting shell (1); The upper surface of the mounting shell (1) is fixedly connected to a sealing shell (2), the inner wall of the sealing shell (2) is fixedly connected to an upper isolation membrane (13), the lower end of the upper isolation membrane (13) is clamped with the upper surface of the rubber sealing edge (11), and both the upper isolation membrane (13) and the contoured isolation membrane (10) are made of polytetrafluoroethylene. The upper surface of the mounting shell (1) is fixedly connected to a refueling interface (3), the lower end of the refueling interface (3) penetrates the upper walls of the mounting shell (1) and the upper isolation membrane (13), and the refueling interface (3) and the double redundant gear mechanism (4) are arranged relatively to each other in the upper and lower directions.

2. A double redundant precision gear transmission device according to claim 1, characterized in that: A protection tube (5) is threadedly connected to the right surface of the mounting shell (1), and the output shaft (17) is located inside the protection tube (5).

3. A double redundant precision gear transmission device according to claim 2, characterized in that: A cavity (16) is provided inside the protection tube (5), the cavity (16) does not penetrate the left end of the protection tube (5), and a rubber filling tube (6) is provided on the inner wall of the cavity (16).

4. A double-redundant precision gear transmission device according to claim 3, characterized in that: The right end of the rubber filling tube (6) is fixedly connected with a rubber fixing ring (7), and the rubber fixing ring (7) is threadedly connected to the protection tube (5).

5. The double-redundant precision gear transmission device according to claim 1, characterized in that: The lower surface of the mounting shell (1) is threadedly connected with a collecting box (15), and the collecting box (15) and the guide groove (8) are interconnected.

6. A double redundant precision gear transmission device according to claim 1, characterized in that: A sealing groove (9) is provided on the upper surface of the mounting shell (1), and the rubber sealing edge (11) is located inside the sealing groove (9).

7. A double-redundant precision gear transmission device according to claim 1, characterized in that: A protrusion (14) is fixedly connected to the lower surface of the rubber sealing edge (11).

8. A double-redundant precision gear transmission device according to claim 6, characterized in that: A sealing gasket (12) is fixedly connected to the lower surface of the sealing shell (2), and the lower end of the sealing gasket (12) is located inside the sealing groove (9).

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