CN215370793U

CN215370793U - A gear box with waterproof function

Info

Publication number: CN215370793U
Application number: CN202120376122.6U
Authority: CN
Inventors: 胡永峰; 顾董斌; 陈德来
Original assignee: Suzhou Jiecheng Precision Die Casting Co ltd
Current assignee: Suzhou Jiecheng Precision Die Casting Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-12-31
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a gear box with waterproof function, comprising a box body, a driving shaft and a driven shaft are rotatably mounted inside the box body, a driving bevel gear is mounted on the driving shaft, and the driven shaft is A driven bevel gear is installed at one end, and the driving bevel gear is meshed with the driven bevel gear, and protective covers are respectively installed on the side walls of the casing where the driving shaft and the driven shaft pass through the casing. When the waterproof gear box designed by the utility model operates in the water body, the pressure of the water squeezes the inspection cover, so that the first rubber ring squeezes the box wall to play a sealing role, but part of the water may pass through between the rubber ring and the box wall. At this time, the magnet block at the lower end of the inspection cover pushes the iron block downward under the action of water pressure, and the iron block pushes the rubber pad on the sliding rod upward through the first rotating rod to the gap for the second time. Squeeze to achieve waterproof effect and increase the service life of gears.

Description

Gear box with waterproof function

Technical Field

The utility model relates to the technical field of water prevention of gear boxes, in particular to a gear box with a water prevention function.

Background

The gearbox is widely applied, for example, in a wind generating set, and is an important mechanical component widely applied in the wind generating set, and the gearbox mainly has the function of transmitting power generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain a corresponding rotating speed. However, with the development of social productivity, the gearbox is applied to more and more technical fields and working environments, particularly when the gearbox is operated in water, the sealing performance of the gearbox is very important, especially for the access cover part of the gearbox, a part of water enters the box body from the gap between the access cover and the box body of the gearbox due to the soaking and water pressure action of the common gearbox in water for a long time, so that the gears inside the gearbox rust, and the service life of the gears is affected, and therefore, the gearbox with the waterproof function needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gear box with a waterproof function, which realizes water prevention by arranging a second rubber ring structure matched with a first rubber ring at the lower end of an access cover so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a gear box with a waterproof function comprises a box body, wherein a driving shaft and a driven shaft are rotatably mounted in the box body, a driving bevel gear is mounted on the driving shaft, a driven bevel gear is mounted at one end of the driven shaft, the driving bevel gear is meshed with the driven bevel gear and connected with the driven bevel gear, two ends of the driving shaft and one end of the driven shaft respectively penetrate through the side wall of the box body and are positioned outside the box body, protective covers are respectively mounted on the side wall of the box body, where the driving shaft and the driven shaft penetrate through the box body, of the box body, an access cover is arranged at the upper end of the box body, a first rubber ring is arranged on the lower surface of the access cover, a fixed frame is arranged on the inner wall of the box body, slide holes are formed in an equidistant array on the fixed frame, slide rods are slidably connected in the slide holes, an extrusion frame is mounted at one end of each slide rod, a rubber pad is mounted at the upper end of the extrusion frame, a fixed rod is arranged in an equidistant array on one end of the fixed frame, the utility model discloses an access cover, including dead lever, montant, first rotation pole and slide bar, the montant lower extreme is installed the montant, the montant lower extreme rotates and is connected with first rotation pole, first rotation pole one end is rotated with the slide bar and is connected, first rotation pole other end rotates and is connected with the iron plate, it has the second dwang parallel with first dwang to articulate between iron plate and the montant, access cover lower extreme is provided with the magnet piece that corresponds with the iron plate.

Preferably, a groove is formed in the protective cover, a second rubber ring is arranged in the groove, and the thickness of the rubber pad is 0.3-0.5cm larger than that of the groove.

Preferably, the upper end of the protective cover is provided with a fixing bolt, the side wall of the box body is provided with a threaded blind hole matched with the fixing bolt, and the length of the threaded blind hole is 0.2-0.3cm greater than that of the fixing bolt.

Preferably, a sealing bearing is installed on the side wall of the box body, and two ends of the driving shaft and one end of the driven shaft are fixedly inserted into an inner ring of the sealing bearing.

Preferably, the access cover is a T-shaped access cover, and the first rubber ring at the lower end of the access cover is tightly attached to the inner wall of the box body.

Preferably, the width of the gap between the sliding hole and the sliding rod is 0.5-1.0 cm.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, one end of the gear box is provided with the T-shaped access cover, the access cover is provided with the first rubber ring, and the first rubber ring is extruded and attached to the box body to play a waterproof role; the inner wall of the box body is provided with a fixed frame, sliding holes are arranged in an equidistant array of the inner ring of the fixed frame, a sliding rod is connected in the sliding hole in a sliding manner, one end of the sliding rod is provided with an extrusion frame, the upper end of the extrusion frame is provided with a rubber pad, a fixed rod is arranged in an equidistant array of one end of the fixed frame, the lower end of the fixed rod is provided with a vertical rod, the lower end of the vertical rod is rotatably connected with a first rotating rod, one end of the first rotating rod is rotatably connected with the sliding rod, the other end of the first rotating rod is rotatably connected with an iron block, a second rotating rod parallel to the first rotating rod is hinged between the iron block and the vertical rod, the lower end of the access cover is provided with a magnet block corresponding to the iron block, when the gear box operates in a water body, the pressure of water extrudes the access cover to enable the first rubber ring to extrude the box wall to play a sealing role, but part of water possibly enters the box body through gaps, at the magnet block at the lower end of the access cover pushes the iron block downwards under the action of water pressure, the iron block enables the rubber pad on the sliding rod to be upwards extruded at the gap through the first rotating rod for secondary extrusion so as to achieve the waterproof effect and prolong the service life of the gear;

2. according to the utility model, the sealing bearing is arranged at the joint of the driving shaft, the driven shaft and the box body, so that a good sealing effect is achieved, the outer end of the sealing bearing is provided with the protective cover, the protective cover is internally provided with the thicker second rubber ring, the second rubber ring is tightly attached to the outer wall of the box body through the effect of the fixing bolt, and the mounting position of the sealing bearing is protected for the second time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the slider of the present invention;

fig. 3 is a schematic structural view of the appearance of the present invention.

In the figure: 1. a box body; 2. a drive shaft; 3. a driven shaft; 4. a driving bevel gear; 5. a driven bevel gear; 6. a protective cover; 7. an access cover; 8. a first rubber ring; 9. a fixing frame; 10. a slide hole; 11. a slide bar; 12. extruding the frame; 13. a second rubber ring; 14. fixing the rod; 15. a vertical rod; 16. a first rotating lever; 17. an iron block; 18. a second rotating lever; 19. a magnet block; 20. a groove; 21. a rubber pad; 22. fixing the bolt; 23. a threaded blind hole; 24. and sealing the bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a gear box with a waterproof function comprises a box body 1, a driving shaft 2 and a driven shaft 3 are rotatably arranged in the box body 1, a driving bevel gear 4 is arranged on the driving shaft 2, a driven bevel gear 5 is arranged at one end of the driven shaft 3, the driving bevel gear 4 is meshed with the driven bevel gear 5, two ends of the driving shaft 2 and one end of the driven shaft 3 respectively penetrate through the side wall of the box body 1 and are positioned outside the box body 1, a sealing bearing 24 is arranged on the side wall of the box body 1, two ends of the driving shaft 2 and one end of the driven shaft 3 are fixedly inserted in an inner ring of the sealing bearing 24, a protective cover 6 is respectively arranged on the side wall of the box body 1 at the position where the driving shaft 2 and the driven shaft 3 penetrate through the box body 1, a groove 20 is formed in the protective cover 6, a second rubber ring 13 is arranged in the groove 20, the thickness of the second rubber ring 13 is 0.3-0.5cm larger than that of the groove 20, and a fixing bolt 22 is arranged at the upper end of the protective cover 6, the side wall of the box body 1 is provided with a threaded blind hole 23 matched with the fixing bolt 22, and the length of the threaded blind hole 23 is 0.2-0.3cm greater than that of the fixing bolt 22;

through the design, the sealing bearing 24 is arranged at the joint of the driving shaft 2, the driven shaft 3 and the box body 1 to play a good sealing role, the outer end of the sealing bearing 24 is provided with the protective cover 6, the protective cover 6 is internally provided with the thicker second rubber ring 13, the second rubber ring 13 is tightly attached to the outer wall of the box body 1 through the action of the fixing bolt 22, and secondary protection is carried out on the installation position of the sealing bearing 24;

an access cover 7 is arranged at the upper end of a box body 1, the access cover 7 is a T-shaped access cover 7, a first rubber ring 8 at the lower end of the access cover 7 is tightly attached to the inner wall of the box body 1, a first rubber ring 8 is arranged at the lower surface of the access cover 7, a fixed frame 9 is arranged on the inner wall of the box body 1, slide holes 10 are formed in the fixed frame 9 in an equidistant array, slide rods 11 are slidably connected inside the slide holes 10, the width of a gap between each slide hole 10 and each slide rod 11 is 0.5-1.0cm, an extrusion frame 12 is arranged at one end of each slide rod 11, a rubber pad 2113 is arranged at the upper end of each extrusion frame 12, fixed rods 14 are arranged at one end of each fixed rod 9 in an equidistant array, a vertical rod 15 is arranged at the lower end of each fixed rod 14, a first rotating rod 16 is rotatably connected at the lower end of each vertical rod 15, one end of each first rotating rod 16 is rotatably connected with the corresponding slide rod 11, an iron block 17 is rotatably connected at the other end of each first rotating rod 16, a second rotating rod 18 parallel to the first rotating rod 16 is hinged between the iron block 17 and the vertical rod 15, the lower end of the access cover 7 is provided with a magnet block 19 corresponding to the iron block 17;

through the design, one end of the gear box is provided with the T-shaped access cover 7, the access cover 7 is provided with the first rubber ring 8, and the first rubber ring 8 is extruded and attached to the box body 1 to play a waterproof role; a fixed frame 9 is arranged on the inner wall of the box body 1, sliding holes 10 are arranged in an equidistant array in the inner ring of the fixed frame 9, sliding rods 11 are connected in a sliding manner in the sliding holes 10, an extrusion frame 12 is arranged at one end of each sliding rod 11, a rubber pad 21 is arranged at the upper end of the extrusion frame 12, fixed rods 14 are arranged in an equidistant array at one end of the fixed frame 9, vertical rods 15 are arranged at the lower ends of the fixed rods 14, a first rotating rod 16 is connected at the lower end of each vertical rod 15 in a rotating manner, one end of the first rotating rod 16 is connected with the sliding rod 11 in a rotating manner, an iron block 17 is connected at the other end of the first rotating rod 16 in a rotating manner, a second rotating rod 18 parallel to the first rotating rod 16 is hinged between the iron block 17 and the vertical rod 15, a magnet block 17 corresponding to the iron block 17 is arranged at the lower end of the access cover 7, when the gear box operates in a water body, the pressure of water extrudes the access cover 7 to enable the first rubber ring 8 to extrude the box wall to play a sealing role, but part of water possibly enter the box body 1 through gaps, at this time, the magnet block 17 at the lower end of the access cover 7 pushes the iron block 17 downwards under the action of water pressure, and the iron block 17 enables the rubber pad 21 on the sliding rod 11 to be extruded upwards at the gap for secondary extrusion through the first rotating rod 16 so as to achieve the waterproof effect and prolong the service life of the gear.

The working principle is as follows: according to the design, a T-shaped access cover 7 is arranged at one end of a gear box, a first rubber ring 8 is arranged on the access cover 7, and the first rubber ring 8 is extruded and attached to a box body 1 to play a waterproof role; a fixed frame 9 is arranged on the inner wall of the box body 1, sliding holes 10 are arranged in an equidistant array in the inner ring of the fixed frame 9, sliding rods 11 are connected in a sliding manner in the sliding holes 10, an extrusion frame 12 is arranged at one end of each sliding rod 11, a rubber pad 21 is arranged at the upper end of the extrusion frame 12, fixed rods 14 are arranged in an equidistant array at one end of the fixed frame 9, vertical rods 15 are arranged at the lower ends of the fixed rods 14, a first rotating rod 16 is connected at the lower end of each vertical rod 15 in a rotating manner, one end of the first rotating rod 16 is connected with the sliding rod 11 in a rotating manner, an iron block 17 is connected at the other end of the first rotating rod 16 in a rotating manner, a second rotating rod 18 parallel to the first rotating rod 16 is hinged between the iron block 17 and the vertical rod 15, a magnet block 17 corresponding to the iron block 17 is arranged at the lower end of the access cover 7, when the gear box operates in a water body, the pressure of water extrudes the access cover 7 to enable the first rubber ring 8 to extrude the box wall to play a sealing role, but part of water possibly enter the box body 1 through gaps, at this time, the magnet block 17 at the lower end of the access cover 7 pushes the iron block 17 downwards under the action of water pressure, and the iron block 17 enables the rubber pad 21 on the sliding rod 11 to be extruded upwards at the gap for secondary extrusion through the first rotating rod 16 so as to achieve the waterproof effect and prolong the service life of the gear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gear box with waterproof function, includes box (1), its characterized in that: the box is characterized in that a driving shaft (2) and a driven shaft (3) are installed in the box body (1) in a rotating mode, a driving bevel gear (4) is installed on the driving shaft (2), a driven bevel gear (5) is installed at one end of the driven shaft (3), the driving bevel gear (4) is meshed with the driven bevel gear (5) and connected with the driven bevel gear, two ends of the driving shaft (2) and one end of the driven shaft (3) penetrate through the side wall of the box body (1) to be located outside the box body (1), a protective cover (6) is installed on the side wall of the box body (1) with the driving shaft (2) and the driven shaft (3) penetrating through the position of the box body (1) respectively, an access cover (7) is arranged at the upper end of the box body (1), a first rubber ring (8) is arranged on the lower surface of the access cover (7), a fixed frame (9) is arranged on the inner wall of the box body (1), and equidistant arrays on the fixed frame (9) are provided with slide holes (10), slide opening (10) inside sliding connection has slide bar (11), extrusion frame (12) are installed to slide bar (11) one end, rubber pad (21) are installed to extrusion frame (12) upper end, fixed frame (9) one end equidistance array is provided with dead lever (14), montant (15) are installed to dead lever (14) lower extreme, montant (15) lower extreme rotates and is connected with first dwang (16), first dwang (16) one end rotates with slide bar (11) to be connected, first dwang (16) other end rotates and is connected with iron plate (17), it has second dwang (18) parallel with first dwang (16) to articulate between iron plate (17) and montant (15), access cover (7) lower extreme is provided with repair magnet piece (19) that correspond with iron plate (17).

2. The gearbox with waterproof function according to claim 1, wherein: a groove (20) is formed in the protective cover (6), a second rubber ring (13) is arranged in the groove (20), and the thickness of the rubber gasket (21) is 0.3-0.5cm larger than that of the groove (20).

3. The gearbox with waterproof function according to claim 1, wherein: fixing bolt (22) are installed to protective cover (6) upper end, be provided with on box (1) lateral wall with fixing bolt (22) looks adaptation screw thread blind hole (23), screw thread blind hole (23) length is greater than the length of fixing bolt (22) by 0.2-0.3 cm.

4. The gearbox with waterproof function according to claim 1, wherein: and a sealing bearing (24) is installed on the side wall of the box body (1), and two ends of the driving shaft (2) and one end of the driven shaft (3) are fixedly inserted into an inner ring of the sealing bearing (24).

5. The gearbox with waterproof function according to claim 1, wherein: the access cover (7) is a T-shaped access cover (7), and a first rubber ring (8) at the lower end of the access cover (7) is tightly attached to the inner wall of the box body (1).

6. The gearbox with waterproof function according to claim 1, wherein: the width of a gap between the sliding hole (10) and the sliding rod (11) is 0.5-1.0 cm.