CN114962473A - High-elasticity crowned tooth coupling with large inclination angle - Google Patents

Abstract

The invention relates to a high-elasticity crowned tooth coupling with a large inclination angle. The technical problems that large-dip-angle sealing is not tight, lubricant is easy to leak and transmission is unstable in the existing drum-shaped tooth type coupling are mainly solved. The technical scheme adopted by the invention is as follows: a high-elasticity crowned tooth coupling with a large inclination angle comprises two end covers, a large spring, an outer hexagon bolt, a plurality of small springs, two inner gear rings, two sealing gaskets, a plurality of inner hexagon bolts, an angle compensation ring, a sealing ring, two buckling plates and an outer tooth sleeve; the outer gear sleeve is characterized in that drum-shaped teeth are symmetrically arranged on the outer surfaces of the left side and the right side of the outer gear sleeve, the two buckling plates are respectively arranged on two end surfaces of the outer gear sleeve, the sealing rings are arranged in sealing grooves formed in two ends of the outer gear sleeve, the two inner gear rings are respectively arranged on two sides of the outer gear sleeve and enable inner teeth of the inner gear rings to be meshed with the drum-shaped teeth of the outer gear sleeve, the angle compensation ring is arranged in a U-shaped groove of the outer gear sleeve, and the two end covers are respectively connected with the closed ends of the two inner gear rings through outer hexagon bolts.

Description

A high-elasticity drum-shaped tooth coupling with large inclination angle

technical field

The invention belongs to the technical field of gear couplings, in particular to a high-elastic drum-shaped tooth coupling with a large inclination angle.

Background technique

The drum gear coupling is a flexible coupling without elastic elements, which can realize axial, radial and angular axis deviation compensation, and has the advantages of compact structure, small turning radius, large bearing capacity and high transmission efficiency. , widely used in metallurgy, rail transportation, marine ships, lifting transportation, aerospace and other fields. However, the current drum-shaped tooth coupling has problems such as poor sealing and easy leakage of lubricant under the condition of large inclination angle, which seriously reduces its performance and life; Transmission or transmission after amplification will seriously affect the stability of the transmission system, causing wear and failure of the gear teeth and causing failure of the transmission system.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the technical problems of the existing drum-shaped gear couplings such as poor sealing at large inclination angles, easy leakage of lubricants and unstable transmission, and to provide a high-elasticity drum-shaped tooth coupling with large inclination angles.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A high-elastic drum-shaped tooth coupling with a large inclination angle, which includes two end caps, a large spring, an outer hexagon bolt, a number of small springs, two inner gear rings, two sealing gaskets, a number of inner hexagon bolts, angle compensation a ring, a sealing ring, two pinch plates and an outer tooth sleeve; the outer surfaces of the left and right sides of the outer tooth sleeve are symmetrically provided with drum-shaped teeth, the middle part of the outer surface of the outer tooth sleeve is provided with a U-shaped groove, and the The two end surfaces of the sleeve are provided with sealing grooves, the two gusset plates are respectively installed on the two end surfaces of the outer tooth sleeve, and the bosses arranged on the edge of the inner surface of the gusset plate are located in the sealing groove, and the sealing ring is installed on the two sides of the outer tooth sleeve. In the sealing groove provided at the end, the two inner gear rings are respectively installed on both sides of the outer gear sleeve and make the inner teeth of the inner gear ring mesh with the drum-shaped teeth of the outer gear sleeve, and the angle compensation ring is arranged on the outer gear sleeve. In the U-shaped groove, and its two ends are respectively connected with the open ends of the two inner gear rings through a number of inner hexagon bolts, the gasket is installed between the angle compensation ring and the open ends of the inner gear ring to facilitate sealing, so The large spring and several small springs are arranged between the inner surface of the closed end of the inner gear ring and the outer surface of the gusset plate, and the two ends of the large spring are respectively installed with the large spring fixing seat and the gusset plate arranged in the center of the inner surface of the closed end of the inner gear ring. On the large spring boss provided in the center of the outer surface, the two ends of several small springs are respectively mounted on the small spring fixing seat provided on the inner surface of the closed end of the inner gear ring and the small spring boss provided on the outer surface of the buckle plate. The end covers are respectively connected with the closed ends of the two inner gear rings through outer hexagon bolts.

Further, the inner gear ring is an annular body with one end open and the other end closed, the inner surface of the annular body is provided with internal teeth, and the center of the inner surface of the closed end of the annular body is provided with a large spring fixing seat, The periphery of the large spring fixing seat is evenly provided with several small spring fixing seats, and the annular body is provided with an oil filling hole near the inner surface of the closed end.

Further, the angle compensation ring is an annular body made of metal material, a U-shaped groove is arranged on the outer surface of the annular body, a through hole is arranged around the end face of the angle compensation ring, and the U-shaped groove is Quantity≥2.

Further, the center of the outer surface of the gusset plate is provided with a large spring boss, the periphery of the large spring boss is evenly provided with a number of small spring bosses, and the small spring bosses correspond to the small spring fixing seats. The boss is provided on the edge of the inner surface of the board.

The beneficial effects of the present invention are:

(1) The present invention ensures that the drum gear coupling still maintains good sealing performance under large inclination angles;

(2) The present invention adds an elastic unit, which acts between the inner gear ring and the outer gear sleeve, which can improve the vibration reduction performance of the system and increase the stability of the transmission system;

(3) The sealing compensation ring of the present invention is made of metal material, and the design of U-shaped groove can ensure sufficient inclination angle compensation. At the same time, compared with traditional non-metallic (rubber, plastic, etc.) materials, metal can be used in high speed, high temperature and high pressure. , Better performance in high humidity environment;

(4) The connection mode between the end cover and the transmission shaft of the present invention can be adjusted according to the actual structure, and can realize keyless connection, key connection and the like.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the inner ring gear of the present invention;

Fig. 3 is the structural representation of the outer gear sleeve of the present invention;

Fig. 4 is the structural representation of the angle compensation ring of the present invention;

Fig. 5 is a power transmission path diagram of the present invention.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figures 1 to 4, a high-elasticity drum-shaped tooth coupling with a large inclination in this embodiment includes two end covers 1, two large springs 2, several outer hexagonal bolts 3, and several small springs 4. Two inner gear rings 5, two gaskets 6, several inner hexagon bolts 7, angle compensation ring 8, two sealing rings 9, two pinch plates 10 and outer gear sleeve 11; the outer gear sleeve 11 is left and right The outer surfaces of both sides are symmetrically provided with drum-shaped teeth 11b, the middle of the outer surface of the outer tooth sleeve 11 is provided with a U-shaped groove 11c, the two end surfaces of the outer tooth sleeve 11 are provided with sealing grooves 11a, the two buckles The plate 10 is installed on both ends of the outer tooth sleeve 11 respectively, and the bosses 10c provided on the inner surface of the gusset plate 10 are located in the sealing groove 11a, and the sealing ring 9 is installed in the sealing groove 11a provided at both ends of the outer tooth sleeve 11. A sealed space 13 is formed in the inner cavity of the outer gear sleeve 11, and the two inner gear rings 5 are respectively installed on both sides of the outer gear sleeve 11 so that the inner teeth 5c of the inner gear ring 5 are connected with the drum-shaped teeth 11b of the outer gear sleeve 11. The angle compensation ring 8 is arranged in the U-shaped groove of the outer gear sleeve 11, and its two ends are respectively connected with the open ends of the two inner gear rings 5 through a number of inner hexagon bolts 7, and the sealing gasket 6 is installed. Between the angle compensation ring 8 and the open end of the ring gear 5 to facilitate sealing, the large spring 2 and several small springs 4 are arranged between the inner surface of the closed end of the ring gear 5 and the outer surface of the gusset 10, and the large The two ends of the spring 2 are respectively installed on the large spring fixing seat arranged in the center of the inner surface of the closed end of the ring gear 5 and the large spring boss arranged in the center of the outer surface of the pinch plate 10, and the ends of several small springs 4 are respectively installed in the inner tooth. On the small spring fixing seat provided on the inner surface of the closed end of the ring 5 and the small spring boss provided on the outer surface of the gusset plate 10 , the two end covers 1 are respectively connected with the closed ends of the two inner gear rings 5 through the outer hexagon bolts 3 .

The inner gear ring 5 is an annular body with one end open and the other end closed. An inner tooth 5c is arranged on the annular inner surface of the annular body, and a large spring fixing seat 5a is arranged in the center of the inner surface of the closed end of the annular body. , the periphery of the large spring fixing seat 5a is evenly provided with 6 small spring fixing seats 5b, and the annular body is provided with an oil filling hole 12 near the inner surface of the closed end. A distance of 15-30mm should be reserved between the inner teeth of the inner gear ring 5 along the tooth width end and the inner surface of the closed end, and the diameter of the reserved space should be less than or equal to the diameter of the tooth root, which is convenient for the processing of the inner teeth, and the reserved space is guaranteed. Threaded holes do not affect the strength of the gear teeth. The outer surface of the closed end of the ring gear 5 needs to be treated with increased friction.

The end cap 1 is composed of an end cap connecting shaft 1a and an end cap flange 1c, the end cap connecting shaft 1a is arranged in the center of the end cap flange 1c, and the end cap connecting shaft 1a and the end cap flange 1c are fixedly connected together. , a hollow cavity 1b is provided in the middle of the connecting shaft 1a of the end cover. The end cover connecting shaft 1a can be connected to the transmission system by means of keyless connection or key connection according to actual needs. The inner surface of the end cover flange 1c needs to be treated with increased friction.

The angle compensation ring 8 is an annular body made of metal material, and a U-shaped groove 8a is provided on the outer surface of the annular body. The number of 8a ≥ 2; the width l of the U-shaped groove 8a should be calculated according to the designed inner ring diameter D and offset angle α: l=D·sinα+L, where L is the pre-compression of the large and small springs Quantity L.

The center of the outer surface of the gusset plate 10 is provided with a large spring boss 10a, the periphery of the large spring boss 10a is evenly provided with six small spring bosses 10b, and the small spring bosses 10b correspond to the small spring fixing seats 5b , a boss 10c is provided on the edge of the inner surface of the gusset plate 10 .

The working process of the present invention is:

When the present invention is installed in the transmission system, firstly use a tool to compress the two inner gear rings 5, adjust the large spring 2 and the small spring 4 to be in a compressed state according to the actual working conditions, then connect the end cover connecting shaft 1a and the system transmission shaft, and finally loosen The inner gear ring 5 ensures that the large and small springs have the initial elastic force in the axial direction, on the one hand, the vibration reduction effect is ensured, and on the other hand, the auxiliary outer gear sleeve is always positioned in the working area. After the installation is completed, add lubricating oil to the coupling through the oil filling hole 12 on the inner gear ring 5.

As shown in Figure 5, the power of the transmission system is first input from the end cover connecting shaft 1a of the left end cover 1, and the power is output from the left end cover 1 to the left inner gear 5 through the outer hexagon bolt 3, and the left inner gear 5. The power is transmitted through the inner tooth 5c and the left drum tooth 11b of the outer tooth sleeve 11, and then the power is output from the right drum tooth 11b of the outer tooth sleeve 11 to the right inner gear 5, and finally from the right end cover 1. output power. When the power is transmitted to the outer gear sleeve 11, unstable elements such as vibration mixed in the power will act on the large spring 2 and the small spring 4 through the gusset 10, filtering out some unstable features in the power and increasing the transmission stability.

Claims (4)

1. A high-elasticity crowned tooth coupling with a large inclination angle is characterized by comprising two end covers (1), a large spring (2), an outer hexagon bolt (3), a plurality of small springs (4), two inner gear rings (5), two sealing gaskets (6), a plurality of inner hexagon bolts (7), an angle compensation ring (8), a sealing ring (9), two buckling plates (10) and an outer tooth sleeve (11); the outer gear sleeve (11) is symmetrically provided with crowned teeth (11b) on the outer surfaces of the left side and the right side, the middle part of the outer surface of the outer gear sleeve (11) is provided with a U-shaped groove, two end surfaces of the outer gear sleeve (11) are provided with sealing grooves (11a), the two buckling plates (10) are respectively arranged on the two end surfaces of the outer gear sleeve (11) and enable bosses (10c) arranged on the inner surface edges of the buckling plates (10) to be positioned in the sealing grooves (11a), the sealing rings (9) are arranged in the sealing grooves (11a) arranged at the two ends of the outer gear sleeve (11), the two inner gear rings (5) are respectively arranged on the two sides of the outer gear sleeve (11) and enable inner teeth (5c) of the inner gear rings (5) to be meshed with the crowned teeth (11b) of the outer gear sleeve (11), the angle compensation ring (8) is arranged in the U-shaped groove of the outer gear sleeve (11), and the two ends of the angle compensation ring are respectively connected with the open ends of the two inner gear rings (5) through a plurality of hexagon socket bolts (7), the sealing gasket (6) is arranged between an angle compensation ring (8) and the opening end of the inner gear ring (5) to facilitate sealing, the large spring (2) and the small springs (4) are arranged between the inner surface of the closed end of the inner gear ring (5) and the outer surface of the buckle plate (10), two ends of the large spring (2) are respectively arranged on a large spring fixing seat arranged at the center of the inner surface of the closed end of the inner gear ring (5) and a large spring boss arranged at the center of the outer surface of the buckle plate (10), two ends of the small springs (4) are respectively arranged on a small spring fixing seat arranged at the inner surface of the closed end of the inner gear ring (5) and a small spring boss arranged at the outer surface of the buckle plate (10), and the two end covers (1) are respectively connected with the closed ends of the two inner gear rings (5) through the outer hexagon bolts (3).

2. The high-elasticity crowned tooth coupling with the large inclination angle of claim 1, wherein the inner gear ring (5) is a torus with one open end and the other closed end, inner teeth (5c) are arranged on the inner surface of the torus, a large spring fixing seat (5a) is arranged at the center of the inner surface of the closed end of the torus, a plurality of small spring fixing seats (5b) are uniformly arranged on the periphery of the large spring fixing seat (5a), and oil filling holes (12) are arranged on the torus close to the inner surface of the closed end.

3. The high-inclination-angle high-elasticity crowned tooth coupling according to claim 1, characterized in that the angle compensation ring (8) is an annular body made of a metal material, a U-shaped groove (8a) is formed on the outer surface of the annular body, a through hole (8b) is formed on the periphery of the end face of the angle compensation ring (8), and the number of the U-shaped grooves (8a) is more than or equal to 2.

4. The high-elasticity crowned tooth coupling with the large inclination angle of claim 1, characterized in that the center of the outer surface of the pinch plate (10) is provided with a large spring boss (10a), the periphery of the large spring boss (10a) is uniformly provided with a plurality of small spring bosses (10b), the small spring bosses (10b) correspond to the small spring fixing seats (5b), and the inner surface edge of the pinch plate (10) is provided with a boss (10 c).

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