CN219492883U

CN219492883U - Coupling for gearbox of high-frequency resonance crusher

Info

Publication number: CN219492883U
Application number: CN202223607080.6U
Authority: CN
Inventors: 张衍金; 戴超; 杨忠旭; 杨志兴; 杨光朋; 孙浩
Original assignee: Shandong Qutong Construction Engineering Co ltd
Current assignee: Shandong Qutong Construction Engineering Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-08
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to a coupler for a gear box of a high-frequency resonance crusher, in particular to a coupler for transmitting rotary motion, which comprises a gear box and a gear motor, and is characterized in that an elastic coupler is arranged between the gear box and the gear motor; the elastic coupler comprises a first coupler, a second coupler and an elastic gear, wherein the first coupler is connected with the gear box, the second coupler is connected with the gear motor, and the first coupler is meshed with the second coupler through the elastic gear. The elastic coupling is arranged, so that the deflection and damping capacity between the gear box and the gear motor are improved, the rotation efficiency is guaranteed, the failure rate of the gear shaft and the gear motor is reduced, and the long-time stable operation of the equipment is guaranteed. Through the damping effect of the elastic gear, the service time of the framework oil seal is prolonged, and the maintenance cost is reduced.

Description

Coupling for gearbox of high-frequency resonance crusher

Technical Field

The utility model relates to a coupler for transmitting rotary motion, in particular to a coupler for a gearbox of a high-frequency resonance crusher.

Background

The gear box is used as an important carrier of the high-frequency resonance crusher working device, plays a role in synchronous power transmission, adopts the direct connection of the gear shaft and the gear motor, has no offset and shock absorption, is easy to damage internal and external splines of the gear shaft and the gear motor, has no offset capability, and is easy to cause abrasion of a framework oil seal when being frequently started and stopped, so that the oil of the box body is leaked.

Disclosure of Invention

The utility model provides a coupler for a high-frequency resonance crusher gearbox, which improves the deflection and damping capacity of equipment, ensures the transmission efficiency, reduces the failure rate of a gear shaft and a gear motor, and ensures the long-time stable operation of the equipment.

The technical scheme adopted by the utility model is as follows:

the utility model discloses a coupling for a gear box of a high-frequency resonance crusher, which comprises a gear box and a gear motor, and is characterized in that an elastic coupling is arranged between the gear box and the gear motor;

the elastic coupler comprises a first coupler, a second coupler and an elastic gear, wherein the first coupler is connected with the gear box, the second coupler is connected with the gear motor, and the first coupler is meshed with the second coupler through the elastic gear.

The elastic coupling consists of a first coupling, a second coupling and an elastic gear, is convenient to axially install, ensures transmission without tooth gaps under the action of prestress, has good rigidity and damping performance, and can compensate installation deviation through the elastic gear, thereby avoiding excessive internal deformation during rotation and ensuring stable operation of the gear box and the gear motor.

Further, a plurality of first claw teeth which are uniformly arranged are arranged on the first coupling, a plurality of second claw teeth which are uniformly arranged are arranged on the second coupling, a plurality of elastic tooth sockets which are uniformly arranged are arranged on the elastic gear, the number of the first claw teeth is equal to that of the second claw teeth, the sum of the number of the first claw teeth and the number of the second claw teeth is equal to that of the elastic tooth sockets, and the first claw teeth and the second claw teeth are respectively arranged in the adjacent elastic tooth sockets.

The claw teeth of the first coupler and the second coupler are respectively arranged in the adjacent elastic tooth grooves and meshed with the elastic gear, so that the stability of the elastic coupler during integral rotation is ensured.

Further, a first claw tooth slot is arranged between two adjacent first claw teeth, a second claw tooth slot is arranged between two adjacent second claw teeth, elastic gear teeth are arranged between two adjacent elastic tooth slots, the first claw teeth in the two adjacent elastic gear teeth and the elastic tooth slots are arranged in the second claw tooth slot, or the second claw teeth in the two adjacent elastic gear teeth and the elastic tooth slots are arranged in the first claw tooth slot.

The first claw tooth groove and the second claw tooth groove play a limiting role at the same time after being installed, so that the stability of the elastic coupler in transmission is improved, the first claw teeth and the second claw teeth are supported by the elastic gear teeth, the excessive internal deformation generated during high-speed or accelerated rotation is avoided, and long-term stable operation is ensured.

Further, the first claw teeth and the second claw teeth are respectively provided with claw tooth chamfers, and tooth slot chamfers matched with the claw tooth chamfers are arranged in the elastic tooth slots, so that the installation is convenient.

Further, the convex columns are arranged on two sides of the elastic gear, so that the contact area between the elastic gear and the first coupler and the contact area between the elastic gear and the second coupler are reduced, and the deviation rectifying capacity of the coupler is improved.

Further, the elastic coupling further comprises a connecting disc, two ends of the connecting disc are respectively connected with the gear box and the gear motor, and the first coupling, the second coupling and the elastic gear are all arranged in the connecting disc.

The connection disc plays a limiting role and simultaneously plays a protective role on internal components.

Further, a framework oil seal is arranged between the gear box and the first coupling.

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

(1) The elastic coupling is arranged, so that the deflection and damping capacity between the gear box and the gear motor are improved, the rotation efficiency is guaranteed, the failure rate of the gear shaft and the gear motor is reduced, and the long-time stable operation of the equipment is guaranteed.

(2) Through the damping effect of the elastic gear, the service time of the framework oil seal is prolonged, and the maintenance cost is reduced.

Drawings

FIG. 1 is a schematic view of the mounting structure of a coupling for a high frequency resonant breaker gearbox of the present utility model;

FIG. 2 is an exploded schematic view of a coupling for a high frequency resonant breaker gearbox of the present utility model;

FIG. 3 is a schematic structural view of the connection pad of the present utility model;

FIG. 4 is a schematic view of the first coupling of the present utility model;

FIG. 5 is a schematic view of the elastic gear of the present utility model;

FIG. 6 is a schematic structural view of a second coupling of the present utility model;

fig. 7 is a schematic view showing the installation structure of the first coupling, the elastic gear and the second coupling of the present utility model.

In the figure: the gear box is characterized by comprising a gear box 1, a rotating shaft 2, a key bar 3, a framework oil seal 4, a connecting disc 5, a first coupler 6, an elastic gear 7, a second coupler 8, a gear motor 9 and an elastic coupler 10;

51 first flange, 52 shell, 53 second flange;

61 first shaft sleeve, 62 first connecting body, 63 first claw tooth slot, 64 key bar slot, 65 shaft hole, 66 first claw tooth;

71 elastic gear teeth, 72 elastic tooth grooves and 73 convex columns;

81 second connection body, 82 second pawl teeth, 83 second pawl tooth slots, 84 splined holes.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

As shown in fig. 1 and 2, the gear case 1 and the gear motor 9 are provided with flange connection plates, one end of the connection plate 5 is connected with the flange connection plate of the gear case 1, and the other end is connected with the flange connection plate of the gear motor 9. The framework oil seal 4 is arranged between the gear box 1 and the first coupling 6 and is used for sealing an oil way in the gear box 1. The first coupler 6 is connected with the rotating shaft 2 on the gear box 1, is provided with key bars 2 and key grooves which are matched, and is used for fixing the first coupler 6 with the rotating shaft 2; the second coupler 8 is connected with the rotating shaft of the gear motor 9, and the first coupler 6, the elastic gear 7 and the second coupler 8 are meshed and are all arranged in the connecting disc 5.

As shown in fig. 3, two ends of the connection disc 5 are respectively provided with a first flange disc 51 and a second flange disc 53, the first flange disc 51 is fixedly connected with a flange connection disc of the gear box 1 through bolts, the second flange disc 53 is fixedly connected with a flange connection disc of the gear motor 9 through bolts, the connection of the bolts is convenient for the connection disc 5 to be installed and disassembled, and the overhaul and maintenance of the later elastic component are convenient.

As shown in fig. 2 and 4, the first coupling 6 is provided with a first shaft sleeve 61, a first connecting body 62 and a shaft hole 65, the first shaft sleeve 61 is installed in the through hole of the framework oil seal 4, the rotating shaft 2 is installed in the shaft hole 65, the section of the first connecting body 62 and the section of the rotating shaft 2 clamp the framework oil seal 4, and the tightness of the framework oil seal 4 is ensured. The rotating shaft 2 is provided with a key groove and a key bar 3, a key bar groove 64 is formed in the shaft hole 65, and the key bar 3 is arranged in the key bar groove 64 and the key groove and is used for fixing the rotating shaft 2 and the first coupling 6 through the key bar 3. The number of the first pawl teeth 66 and the first pawl tooth grooves 63 is set to 4, and are arranged on the cross section of the first connecting body 62 at an included angle of 90 °.

As shown in fig. 5, the elastic gear 7 is provided with elastic gear teeth 71 and elastic tooth grooves 72, and the number of the elastic gear teeth 71 and the number of the elastic tooth grooves 7 are 8, and the elastic gear teeth and the elastic tooth grooves 7 are uniformly arranged. The convex columns 73 are uniformly arranged on two side surfaces of the elastic gear teeth 71 and used for reducing the contact area when the elastic gear 7 is installed.

As shown in fig. 6, the second coupling 8 is provided with a splined hole 84, and a spline shaft of the gear motor 9 is installed in the splined hole 84 for driving the second coupling 8 to rotate. The second coupling 8 is provided with a second connecting body 81, the number of the second claw teeth 82 and the second claw tooth grooves 83 is 4, and the second claw teeth 82 and the second claw tooth grooves 83 are arranged on the section of the second connecting body 81 at an included angle of 90 degrees.

As shown in fig. 7, the first coupling 6 is meshed with the second coupling 8 through the elastic gear 7, the two adjacent elastic gear teeth 71 and the first claw teeth 66 in the elastic tooth grooves are arranged in the second claw tooth grooves 83, or the two adjacent elastic gear teeth 71 and the second claw teeth 82 in the elastic tooth grooves are arranged in the first claw tooth grooves 63, so that the integral connection strength of the elastic coupling 10 is improved, the transmission efficiency is improved, the functions of shock absorption and deflection are better achieved, the transmission without tooth gaps is ensured, meanwhile, the combination of good rigidity and optimized shock absorption performance is realized, the dynamic characteristics of the transmission system are improved, the elastic gear 7 can compensate the installation deviation, and the long-term stable operation of the integral device is ensured.

Claims

1. A coupling for a gearbox of a high-frequency resonance crusher, comprising a gearbox (1) and a gear motor (9), characterized in that an elastic coupling (10) is arranged between the gearbox (1) and the gear motor (9);

the elastic coupling (10) comprises a first coupling (6), a second coupling (8) and an elastic gear (7), wherein the first coupling (6) is connected with the gear box (1), the second coupling (8) is connected with the gear motor (9), and the first coupling (6) is meshed with the second coupling (8) through the elastic gear (7).

2. The coupling for the high-frequency resonance crusher gearbox according to claim 1, wherein a plurality of first claw teeth (66) which are uniformly arranged are arranged on the first coupling (6), a plurality of second claw teeth (82) which are uniformly arranged are arranged on the second coupling (8), a plurality of elastic tooth grooves (72) which are uniformly arranged are formed in the elastic gear (7), the number of the first claw teeth (66) is equal to that of the second claw teeth (82), the sum of the number of the first claw teeth (66) and the number of the second claw teeth (82) is equal to that of the elastic tooth grooves (72), and the first claw teeth (66) and the second claw teeth (82) are respectively arranged in the adjacent elastic tooth grooves (72).

3. The coupling for a gear box of a high-frequency resonance crusher according to claim 2, characterized in that a first claw tooth socket (63) is arranged between the two adjacent first claw teeth (66), a second claw tooth socket (83) is arranged between the two adjacent second claw teeth (82), elastic gear teeth (71) are arranged between the two adjacent elastic gear sockets (72), the two adjacent elastic gear teeth (71) and the first claw teeth (66) in the elastic gear sockets (72) are arranged in the second claw tooth socket (83), or the two adjacent elastic gear teeth (71) and the second claw teeth (82) in the elastic gear sockets (72) are arranged in the first claw tooth sockets (63).

4. A coupling for a high frequency resonant breaker gearbox according to claim 3 wherein the first (66) and second (82) teeth are provided with tooth chamfers and the resilient tooth slots (72) are provided with tooth slot chamfers which cooperate with the tooth chamfers.

5. Coupling for a high frequency resonance crusher gearbox according to any of the claims 1-4, characterized in that the elastic gear (7) is provided with studs (73) on both sides.

6. The coupling for a high frequency resonance crusher gearbox according to claim 1, characterized in that the elastic coupling (10) further comprises a connecting disc (5), both ends of the connecting disc (5) are respectively connected with the gearbox (1) and the gear motor (9), and the first coupling (6), the second coupling (8) and the elastic gear (7) are all arranged in the connecting disc (5).

7. Coupling for a high frequency resonance crusher gearbox according to claim 1, characterized in that a skeleton oil seal (4) is provided between the gearbox (1) and the first coupling (6).