CN107631009B - Meshing transmission adapting to large gear yaw - Google Patents

Abstract

The invention relates to a gear drive meshing device of a yaw rotation equipment, in particular to a meshing transmission device adapted to the yaw of a large gear. It includes a large gear, a pinion, a swing base, and a driving device. The pinion is installed on the swing base, and the large gear is driven to rotate by meshing with the large gear. It also includes a sliding support device and a swing support device. The sliding support device is installed at one end of the swing base. The lower part, the swing support device is installed at the lower part of the other end of the swing base. The invention can make the pinion automatically adapt to the yaw of the large gear, keep the gear pair in good meshing, improve the force condition of the gear pair, make the bearings on both sides of the pinion evenly stressed, improve the safety and reliability of the operation of the rotary equipment, and is easy to install.

Description

Meshing transmission adapting to the yaw of the large gear

technical field

The invention relates to a gear drive meshing device of a yaw rotation equipment, in particular to a meshing transmission device adapted to the yaw of a large gear.

Background technique

The transmission device of the rotary kiln mainly includes the large gear, the pinion, the fixed support and other components. The rotation of the rotary kiln is realized through the cooperation of the large and small gears. Installed on a fixed support, the angle and position cannot be adjusted, resulting in poor meshing of the large and small wheels and pinions, excessive local force on the gear pair, and wear, pitting and damage in severe cases.

SUMMARY OF THE INVENTION

The present invention aims to solve the above-mentioned problems, thereby providing a meshing transmission device suitable for the yaw of the large gear.

The present invention solves the described problem, and the technical scheme adopted is:

A meshing transmission device adapted to the deflection of a large gear, comprising a large gear, a pinion, a swing base, and a driving device. The pinion is mounted on the swing base, and drives the large gear to rotate through meshing with the large gear, and also includes a sliding support device and a swing A support device, the sliding support device is installed at the lower part of one end of the swing base, and the swing support device is installed at the lower part of the other end of the swing base.

The present invention that adopts the above-mentioned technical scheme, compared with the prior art, its outstanding characteristic is:

It can make the pinion automatically adapt to the yaw of the big gear, keep the gear pair well meshed, improve the force condition of the gear pair, make the bearings on both sides of the pinion evenly stressed, improve the safety and reliability of the operation of the rotary equipment, and be easy to install.

As preferably, the further technical scheme of the present invention is:

The swing support device includes a bearing support, a first spherical bearing and a first pin, the bearing support is fixedly installed on the ground foundation, the first pin is installed on the bearing support through the first spherical bearing, and the bearing support passes through the first spherical bearing. The pin shaft is hinged with one end of the swing base.

The sliding support device includes a fixed support, an adjustment bolt, a sliding plate, a spherical thrust bearing, a butterfly spring, a second spherical bearing, a second pin, and a connecting support. The fixed support is fixedly installed on the ground foundation, and the second pin The second spherical bearing is installed on the fixed support, the fixed support is hinged with the lower end of the adjusting bolt through the second pin, the upper end of the adjusting bolt is fixedly connected with the connecting support through the nut, and the connecting support is fixed with the other end of the swing base To connect, the sliding plate, spherical thrust bearing and butterfly spring are installed in sequence below the connecting support.

The sliding plate is a self-lubricating and wear-resistant PTFE plate.

Description of drawings

1 is a schematic structural diagram of an embodiment of the present invention;

Fig. 2 is the left side view structure schematic diagram of Fig. 1;

3 is a schematic structural diagram of a swing support device according to an embodiment of the present invention;

4 is a schematic structural diagram of a sliding support device according to an embodiment of the present invention;

Fig. 5 is A-A sectional view in Fig. 4;

In the figure: large gear 1; pinion 2; swing base 3; adjusting bolt 4; fixed support 5; first spherical bearing 6; bearing support 7; pinion shaft 8; bearing and bearing seat 9; flexible coupling 10; first pin 11; connecting support 12; sliding plate 13; spherical thrust bearing 14; butterfly spring 15; second spherical bearing 16; second pin 17; first nut 18; second nut 19; Ground foundation 20 ; support plate 21 ; support bottom plate 22 .

Detailed ways:

The present invention will be further described below in conjunction with the embodiments, the purpose is only to better understand the content of the present invention, therefore, the examples do not limit the protection scope of the present invention.

Referring to Fig. 1 and Fig. 2, a meshing transmission device adapted to the deflection of the large gear includes a large gear 1, a pinion 2, a swing base 3, a sliding support device, a swing support device, and a drive device, and the pinion 2 is installed on the swing base. 3, the large gear 1 is driven to rotate by meshing with the large gear 1, the sliding support device is installed at the lower part of one end of the swing base, and the swing support device is installed at the lower part of the other end of the swing base.

3, the swing support device includes a bearing support 7, a first spherical bearing 6, a first pin shaft 11, the first spherical bearing 6 is a self-lubricating ball bearing, the bearing support 7 is fixedly installed on the ground foundation 20, and the first spherical bearing 6 is a self-lubricating ball bearing. The pin shaft 11 is mounted on the bearing support 7 through the first spherical bearing 6, the bearing support 7 is hinged with one end of the swing base 3 through the first pin shaft 11, and the swing base 3 is within a certain range around the center of the first spherical bearing 6 swing.

4 and 5 , the sliding support device includes a fixed support 5 , an adjustment bolt 4 , a sliding plate 13 , a spherical thrust bearing 14 , a butterfly spring 15 , a second spherical bearing 16 , a second pin 17 , and a first nut 18 , the second nut 19 , and the connecting support 12 .

The lower part of the adjusting bolt 4 is circular, with a through hole in the middle. The fixed support 5 includes a support base plate 22 and a support base plate 21. The support base plate 21 is welded on the support base plate 22, and the support base plate 22 is fixedly installed. On the ground foundation 20, the second pin 17 is installed on the support guard plate 21 through the second spherical bearing 16, and the fixed support 5 is hinged with the lower end of the adjusting bolt 4 through the second pin 17, and the adjusting bolt 4 can be wound around the first The center of the two spherical bearing 16 swings within a certain range, the upper end of the adjusting bolt 4 is fixedly connected to the connecting support 12 through the first nut 18, and the connecting support 12 is fixedly connected to the other end of the swing base 3. By limiting the connecting support The position of 12 is realized to limit the displacement of the swing base 3 in the vertical direction.

The sliding plate 13 , the spherical thrust bearing 14 , and the butterfly spring 15 are installed in sequence below the connecting support 12 . , the sliding plate 13 is a self-lubricating and wear-resistant polytetrafluoroethylene plate, which is installed under the swing base 3. The swing base 3 can translate and slide along the sliding plate 13 within a certain range, and the spherical thrust bearing 14 and the butterfly spring 15 are installed in turn. The bottom of the sliding plate 13 is fixed and pressed by the second nut 19 , the spherical thrust bearing 14 is a self-lubricating spherical thrust bearing, and the swing base 3 can swing within a certain range within the radius of the spherical thrust bearing 14 .

The driving device is a power device that engages the large gear 1 and the pinion 2, including the pinion shaft 8, the bearing and the bearing seat 9, the flexible coupling 10, and the flexible coupling 10 can absorb the coupling caused by the deflection of the pinion 2. The position deviation between the input and output terminals of the shaft.

The fixed support 5 includes the support bottom plate 22 and the support guard plate 21. There is a certain gap between the adjustment bolt 4 and the support guard plate 21, which can realize the left and right swing of the adjustment bolt 4 and prevent the sliding support device from adjusting the position in the process. , the adjusting bolt 4 presses the support plate 21 to deform.

When working, the drive torque is given by the input end of the flexible coupling 10, which drives the pinion shaft 8 and the pinion 2 to rotate, and drives the large gear 1 to rotate, and the large gear 1 is fixed on the rotating equipment. When the yaw occurs, the meshing force between the pinion 2 and the large gear 1 is unevenly distributed in the direction of the tooth width, which is equivalent to the two bearings on both sides of the gear and the bearing seat 9 receiving unequal forces. The center of a spherical bearing 6 rotates, and if necessary, the swing base 3 can also translate and slide along the sliding plate 13 within a certain range, thereby adjusting the position of the pinion 2, and its force difference is gradually reduced and eliminated. 2 Automatically adapt to the yaw of the large gear 1 and keep the gear pair meshing well.

The device can make the pinion 2 automatically adapt to the yaw of the large gear 1, keep the gear pair well meshed, improve the force condition of the gear pair, make the bearings on both sides of the pinion 2 evenly stressed, and improve the safety and reliability of the operation of the rotary equipment. Easy to install.

The above descriptions are only preferred feasible embodiments of the present invention, and are not intended to limit the scope of rights of the present invention. All equivalent changes made by using the contents of the description of the present invention and the accompanying drawings are included in the scope of rights of the present invention. .

Claims (2)

1. a meshing transmission adapted to the deflection of the large gear, comprising a large gear, a pinion, a swing base, a drive device, and the pinion is mounted on the swing base, and drives the large gear to rotate by meshing with the large gear, it is characterized in that: also It includes a sliding support device and a swing support device, the sliding support device is installed at the lower part of one end of the swing base, and the swing support device is installed at the lower part of the other end of the swing base; the swing support device includes a bearing support, a first spherical bearing, a first pin, The bearing support is fixedly installed on the ground foundation, the first pin shaft is installed on the bearing support through the first spherical bearing, and the bearing support is hinged with one end of the swing base through the first pin shaft; the sliding support device includes a fixed support, an adjustment Bolt, sliding plate, spherical thrust bearing, butterfly spring, second spherical bearing, second pin, connecting support, the fixed support is fixedly installed on the ground foundation, and the second pin is installed on the fixed support through the second spherical bearing. On the base, the fixed support is hinged with the lower end of the adjusting bolt through the second pin, the upper end of the adjusting bolt is fixedly connected with the connecting support through the nut, the connecting support is fixedly connected with the other end of the swing base, and the lower part of the connecting support is installed in sequence The sliding plate, spherical thrust bearing, butterfly spring, sliding plate, spherical thrust bearing and butterfly spring are respectively sleeved on the adjusting bolt and the position is limited by the nut. 2 . The meshing transmission device adapted to the deflection of the large gear according to claim 1 , wherein the sliding plate is a self-lubricating and wear-resistant polytetrafluoroethylene plate. 3 .

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