Combined gear box for driving paper machine drying cylinder

Abstract

The utility model relates to the technical field of power driving, in particular to a combined gearbox for driving a drying cylinder of a paper machine, which comprises a driver, a first rotating shaft and a dustproof device, the first rotating shaft is mounted on the surface of the driver, a second rotating shaft is mounted on the surface of the top of the driver, and the dustproof device is arranged at the top end of the driver. The dustproof device comprises a clamping groove, the clamping groove is formed in the surface of the second rotating shaft and located above the top end of the driver, and the surface of the clamping groove is connected with a rubber ring in a sleeving mode. According to the combined gear box, impurities entering the combined gear box are effectively reduced by arranging the dustproof device, when the combined gear box is used, the sealing ring and the rubber ring are installed on the second rotating shaft, dust is prevented from making contact with lubricating oil on the surface of the combined gear box, and the practicability of the combined gear box is improved; the auxiliary performance of the combined gear box is improved, the service life of the combined gear box is prolonged, the damage rate of the combined gear box is reduced, and the dustproof performance of the combined gear box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power drive, in particular to a combined gear box for driving a drying cylinder of a papermaking machine. Background Art

[0002] Gearboxes are widely used, for example, in wind turbines. Gearboxes are an important mechanical component that is widely used in wind turbines. Its main function is to transfer the power generated by the wind wheel to the generator and make it get the corresponding speed. Usually, the speed of the wind wheel is very low, far from the speed required by the generator. It must be achieved through the speed increase of the gear pair of the gearbox, so the gearbox is also called a speed increaser. With the development of society, when the drying cylinder of the paper machine needs power, a combined gearbox is used.

[0003] The inventor discovered in his daily work that when the workers installed the combination gearbox on the papermaking machine, they started the combination gearbox so that the combination gearbox could drive the papermaking machine to work. However, during the operation of the combination gearbox, since the second rotating shaft is facing upward, dust will more easily fall into the bearing gap between the second rotating shaft and the driver. The dust will then mix with the lubricating oil on the surface of the combination gearbox and flow into the interior of the combination gearbox, thereby causing serious wear of the parts inside the combination gearbox. Utility Model Content

[0004] The utility model aims to solve the defect that the parts inside the combined gear box in the prior art will be seriously worn, and proposes a combined gear box for driving the drying cylinder of a paper machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a combined gear box for driving a drying cylinder of a papermaking machine, comprising a driver, a first rotating shaft and a dustproof device, wherein the first rotating shaft is mounted on the surface of the driver, a second rotating shaft is mounted on the surface of the top of the driver, a dustproof device is arranged on the top of the driver, the dustproof device comprises a card slot, the card slot is arranged on the surface of the second rotating shaft, the card slot is located above the top of the driver, a rubber ring is sleeved and connected on the surface of the card slot, the rubber ring is located above the top of the driver, four card holes are arranged on the surface of the second rotating shaft in an annular shape around the second rotating shaft, a closed ring is sleeved and connected on the surface of the second rotating shaft, the closed ring is located above the top of the driver, the upper surface of the closed ring contacts the lower surface of the rubber ring, four card holes are arranged on the surface of the closed ring, the four card holes are arranged in an annular shape around the closed ring, and the card holes can cooperate with the closed ring to achieve the purpose of accommodating the positioning rod.

[0006] Preferably, the clamping hole on the surface of the closed ring is threadedly connected with a positioning rod, and the positioning rod is threadedly connected to the surface of the positioning hole. The positioning rod can cooperate with the closed ring to achieve the purpose of supporting and guiding the positioning rod.

[0007] Preferably, a protective device is provided on the upper surface of the driver, and the protective device includes a sleeve rod, two of the sleeve rods are fixedly connected to the upper surface of the driver, and the two sleeve rods are respectively located on both sides of the second rotating shaft. The sleeve rod can cooperate with the driver to achieve the purpose of supporting the sleeve rod.

[0008] Preferably, a sleeve plate is sleeved and connected to the surface of the sleeve rod, and the sleeve plate contacts the upper surface of the driver. The sleeve plate can cooperate with the sleeve rod to achieve the purpose of limiting the sleeve plate.

[0009] Preferably, two groups of limit blocks are fixedly connected to the upper surface of the driver, and one group of limit blocks is respectively located on both sides of a sleeve rod, and both ends of the sleeve plate are sleeved on the surface of the limit blocks. The limit blocks can cooperate with the sleeve plate and the driver to achieve the purpose of limiting the sleeve plate.

[0010] Preferably, a push ring is fixedly connected to the upper surface of the sleeve plate, and the two push rings are in contact with each other. The push ring is sleeved on the surface of the closed ring, and the surface of the sleeve rod is threadedly connected with a threaded block, and the threaded block is abutted against the surface of the sleeve plate. The push ring can cooperate with the sleeve plate to achieve the purpose of limiting the positioning rod.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by arranging a dustproof device, when the combined gear box is in use, impurities are reduced from entering the interior of the combined gear box. The equipment is used, and the equipment converts other energy to achieve the purpose of driving the paper machine. The closed ring is sleeved on the second rotating shaft, the positioning rod is rotated, the positioning rod is inserted into the second rotating shaft, and the rubber ring is sleeved on the second rotating shaft. When the rubber ring slides to a specified position, the rubber ring is inserted into the slot and contacts with the upper surface of the closed ring. By arranging the dustproof device, impurities are effectively reduced from entering the interior of the combined gear box. When the combined gear box is in use, the closed ring and the rubber ring are installed on the second rotating shaft to avoid dust from contacting the lubricating oil on the surface of the combined gear box, thereby improving the practicability of the combined gear box, improving the auxiliary performance of the combined gear box, improving the service life of the combined gear box, reducing the damage rate of the combined gear box, and improving the dustproof performance of the combined gear box. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a combined gear box for driving a drying cylinder of a paper machine;

[0014] Figure 2The utility model provides a schematic diagram of the structure of a dust-proof device for a combined gear box driving a drying cylinder of a paper machine;

[0015] Figure 3 The utility model proposes a combined gear box for driving a drying cylinder of a paper machine. Figure 2 Schematic diagram of the structure at A in the middle;

[0016] Figure 4 The utility model provides a schematic diagram of the structure of a protective device for a combined gear box driving a drying cylinder of a paper machine;

[0017] Figure 5 The utility model proposes a combined gear box for driving a drying cylinder of a paper machine. Figure 4 Schematic diagram of the structure at point B in the middle.

[0018] Legend:

[0019] 1. Driver; 2. First rotating shaft; 3. Dustproof device; 31. Positioning hole; 32. Slot; 33. Positioning rod; 34. Rubber ring; 35. Closing ring; 36. Slot; 4. Protective device; 41. Threaded block; 42. Sleeve rod; 43. Sleeve plate; 44. Limit block; 45. Thrust ring; 5. Second rotating shaft. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a combined gear box for driving a drying cylinder of a paper machine, comprising a driver 1, a first rotating shaft 2 and a dustproof device 3, the first rotating shaft 2 is installed on the surface of the driver 1, a second rotating shaft 5 is installed on the surface of the top of the driver 1, and a dustproof device 3 is provided on the top of the driver 1.

[0021] The specific configuration and functions of the dustproof device 3 and the protective device 4 are described in detail below.

[0022] In this embodiment: the dustproof device 3 includes a card slot 32, which is provided on the surface of the second rotating shaft 5, and the card slot 32 is located above the top of the driver 1. The surface of the card slot 32 is sleeved with a rubber ring 34, and the rubber ring 34 is located above the top of the driver 1. The surface of the second rotating shaft 5 is provided with four card holes 36, and the four card holes 36 are arranged in a ring shape around the second rotating shaft 5. The surface of the second rotating shaft 5 is sleeved with a closed ring 35, and the closed ring 35 is located above the top of the driver 1. The upper surface of the closed ring 35 contacts the lower surface of the rubber ring 34.

[0023] Specifically, four locking holes 36 are opened on the surface of the closed ring 35 . The four locking holes 36 are arranged in a ring shape around the closed ring 35 . The locking holes 36 can cooperate with the closed ring 35 to achieve the purpose of accommodating the positioning rod 33 .

[0024] Specifically, the locking hole 36 on the surface of the closed ring 35 is threadedly connected with the positioning rod 33 , and the positioning rod 33 is threadedly connected to the surface of the positioning hole 31 .

[0025] In this embodiment, the positioning rod 33 can cooperate with the closed ring 35 to achieve the purpose of supporting and guiding the positioning rod 33 .

[0026] In this embodiment: a protective device 4 is provided on the upper surface of the driver 1, and the protective device 4 includes a sleeve rod 42. Two sleeve rods 42 are fixedly connected to the upper surface of the driver 1, and the two sleeve rods 42 are respectively located on both sides of the second rotating shaft 5. The sleeve rod 42 can cooperate with the driver 1 to achieve the purpose of supporting the sleeve rod 42.

[0027] Specifically, a sleeve plate 43 is sleeved and connected to the surface of the sleeve rod 42 , and the sleeve plate 43 contacts the upper surface of the driver 1 .

[0028] In this embodiment, the sleeve plate 43 can cooperate with the sleeve rod 42 to achieve the purpose of limiting the sleeve plate 43.

[0029] Specifically, two groups of limit blocks 44 are fixedly connected to the upper surface of the driver 1, and one group of limit blocks 44 is respectively located on both sides of a sleeve rod 42, and the two ends of the sleeve plate 43 are sleeved on the surface of the limit blocks 44. The limit blocks 44 can cooperate with the sleeve plate 43 and the driver 1 to achieve the purpose of limiting the sleeve plate 43.

[0030] Specifically, a butt ring 45 is fixedly connected to the upper surface of the sleeve plate 43 , and the two butt rings 45 are in contact with each other. The butt ring 45 is sleeved on the surface of the closed ring 35 , and a threaded block 41 is threadedly connected to the surface of the sleeve rod 42 , and the threaded block 41 butts against the surface of the sleeve plate 43 .

[0031] In this embodiment, the retaining ring 45 can cooperate with the sleeve plate 43 to achieve the purpose of limiting the positioning rod 33.

[0032] Working principle: By setting the dustproof device 3, when the combined gear box is in use, the impurities entering the interior of the combined gear box are reduced. The equipment is used, and the equipment converts other energy to achieve the purpose of driving the paper machine. The closed ring 35 is sleeved on the second rotating shaft 5, the positioning rod 33 is rotated, the positioning rod 33 is inserted into the second rotating shaft 5, and the rubber ring 34 is sleeved on the second rotating shaft 5. When the rubber ring 34 slides to the specified position, the rubber ring 34 is inserted into the slot 32 and contacts with the upper surface of the closed ring 35. By setting the dustproof device 3, the impurities entering the interior of the combined gear box are effectively reduced. When the combined gear box is in use, the closed ring 35 and the rubber ring 34 are installed on the second rotating shaft 5 to avoid dust from contacting the lubricating oil on the surface of the combined gear box, thereby improving the practicality of the combined gear box and improving the auxiliary function of the combined gear box. , improves the service life of the combined gear box, reduces the damage rate of the combined gear box, and improves the dust resistance of the combined gear box. In addition, by setting the protective device 4, when the combined gear box is in use, the positioning rod 33 is protected. The equipment is used. The equipment converts other energy to achieve the purpose of driving the papermaking machine. The sleeve plate 43 is sleeved on the sleeve rod 42 and the limit block 44. The sleeve plate 43 supports the retaining ring 45 to block the outside of the closed ring 35. The worker rotates the threaded block 41. By setting the protective device 4, the positioning rod 33 is effectively protected. When the combined gear box is in use, the retaining ring 45 is installed to avoid the centrifugal force of the combined gear box during long-term use. The positioning rod 33 is thrown out, the practicality of the combined gear box is improved, the auxiliary function of the combined gear box is improved, the protection of the combined gear box is improved, and the slippage of the positioning rod 33 is reduced.

Claims

1. A combined gearbox for driving a drying cylinder of a paper machine, comprising a driver (1), a first rotating shaft (2) and a dust prevention device (3), characterized in that: The first rotating shaft (2) is mounted on the surface of the driver (1); a second rotating shaft (5) is mounted on the surface of the top of the driver (1); a dustproof device (3) is arranged at the top of the driver (1); the dustproof device (3) comprises a card slot (32); the card slot (32) is arranged on the surface of the second rotating shaft (5); the card slot (32) is located above the top of the driver (1); a rubber ring (34) is sleeved and connected to the surface of the card slot (32); the rubber ring (34) is located above the top of the driver (1); four card holes (36) are arranged in a ring shape around the second rotating shaft (5); a closed ring (35) is sleeved and connected to the surface of the second rotating shaft (5); the closed ring (35) is located above the top of the driver (1); the upper surface of the closed ring (35) contacts the lower surface of the rubber ring (34).

2. A combined gearbox for driving a drying cylinder of a paper machine according to claim 1, characterized in that: Four clamping holes (36) are provided on the surface of the closed ring (35), and the four clamping holes (36) are arranged in a ring shape around the closed ring (35).

3. A combined gearbox for driving a drying cylinder of a paper machine according to claim 2, characterized in that: The clamping hole (36) on the surface of the closed ring (35) is threadedly connected with a positioning rod (33), and the positioning rod (33) is threadedly connected to the surface of the positioning hole (31).

4. The combined gear box for driving a drying cylinder of a paper machine according to claim 1, characterized in that: The upper surface of the driver (1) is provided with a protective device (4), the protective device (4) comprising sleeve rods (42), two sleeve rods (42) being fixedly connected to the upper surface of the driver (1), and the two sleeve rods (42) being respectively located on both sides of the second rotating shaft (5).

5. A combined gearbox for driving a drying cylinder of a paper machine according to claim 4, characterized in that: A sleeve plate (43) is sleeved and connected to the surface of the sleeve rod (42), and the sleeve plate (43) is in contact with the upper surface of the driver (1).

6. A combined gearbox for driving a drying cylinder of a paper machine according to claim 5, characterized in that: Two groups of limit blocks (44) are fixedly connected to the upper surface of the driver (1), one group of limit blocks (44) is respectively located on both sides of a sleeve rod (42), and both ends of the sleeve plate (43) are sleeved on the surface of the limit blocks (44).

7. The combined gear box for driving a drying cylinder of a paper machine according to claim 5, characterized in that: A butt ring (45) is fixedly connected to the upper surface of the sleeve plate (43), and the two butt rings (45) are in contact with each other. The butt ring (45) is sleeved on the surface of the closed ring (35). A threaded block (41) is threadedly connected to the surface of the sleeve rod (42), and the threaded block (41) butts against the surface of the sleeve plate (43).

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