CN209800648U - Novel main shaft transmission connecting device - Google Patents

Abstract

The utility model relates to a novel main shaft transmission connecting device, which comprises a ground platform and a main shaft platform arranged on the ground platform, a servo motor and a speed reducer are fixed at the middle part of the spindle platform through a clamping groove and a positioning block, one end of the speed reducer far away from the servo motor is connected with a small chain wheel through a key, the top of the main shaft platform is provided with a front bearing seat and a rear bearing seat, a front bearing and a rear bearing are arranged in the front bearing seat and the rear bearing seat, a main shaft is arranged in the front bearing and the rear bearing, the axial line of the main shaft and the axial line of the servo motor are in a vertical plane, one side of the main shaft close to the small chain wheel is provided with a large chain wheel through key connection, the large chain wheel and the small chain wheel are connected together through a chain, the end surface of the chain is in a vertical plane, the other side of the main shaft is connected with a longitudinal arm through a key, and the longitudinal arm is used for mounting other rotary loads. The utility model discloses have and rotate steady, the noise is low, transmission power is big and the little beneficial effect of energy consumption loss.

Description

Novel main shaft transmission connecting device

Technical Field

the utility model relates to the technical field of medical equipment, especially, relate to a vestibule function is diagnose transmission for equipment, specifically indicate a novel main shaft drive connecting device.

Background

The main transmission modes of the existing main shaft comprise gear transmission, belt transmission and direct motor drive, and various transmission modes have advantages and disadvantages, such as constant transmission ratio of the gear transmission, larger transmission power, wider speed range, higher transmission efficiency and smaller gear transmission center distance; the belt transmission is mainly applied to occasions with large center distance, the structure is simple, the maintenance is convenient, but the gear transmission center distance is small, the elastic sliding and slipping phenomena exist, and the belt transmission is not suitable for occasions with long-distance heavy load; the motor directly drives the transmission to have higher efficiency but less power.

The vestibule function diagnosis and treatment equipment has a plurality of severe requirements of long transmission distance, high transmission efficiency, large power, stable transmission ratio and the like, and the transmission mode of a transmission main shaft can not meet the requirements of the equipment.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a novel main shaft drive connecting device to above-mentioned not enough, has solved above-mentioned difficult problem.

The utility model is realized by the following technical proposal, a novel main shaft transmission connecting device is provided, which comprises a ground platform and a main shaft platform arranged on the ground platform, wherein the middle part of the main shaft platform is fixed with a servo motor and a speed reducer matched with the servo motor through a clamping groove and a positioning block, one end of the speed reducer far away from the servo motor is connected with a small chain wheel through a key, the top of the main shaft platform is provided with a front bearing seat and a rear bearing seat, the front bearing seat and the rear bearing seat are internally provided with a front bearing and a rear bearing, the front bearing and the rear bearing are internally provided with a main shaft, the axis of the main shaft and the axis of the servo motor are arranged in a vertical plane, one side of the main shaft close to the small chain wheel is connected with a large chain wheel through a key, the large chain wheel and the small chain wheel are connected together through a chain, the end surface of the chain is arranged, the trailing arm is used to mount other rotational loads.

preferably, the speed reducer is a planetary speed reducer.

Preferably, the small sprocket may be adjusted in up-and-down position by an up-and-down adjuster.

Preferably, the front bearing seat and the rear bearing seat can finely adjust the horizontal positions of the front bearing seat and the rear bearing seat through a front-back adjuster and a left-right adjuster

To sum up, the utility model discloses a transmission connected mode through gear + sprocket, gear drive's drive ratio is stable, efficient, and chain drive does not have the driven phenomenon of skidding of belt, and the drive ratio is stable, and the interaxial distance accommodation is big, so can guarantee that the operation equipment can rotate steadily when carrying out the space rotation, can guarantee to rotate when the equipment heavy load, reduces the running noise, can make the interaxial distance big and energy consumption loss little when great again to further promote this transmission connection structure's performance.

Drawings

Fig. 1 is a schematic structural view of a novel main shaft transmission connecting device of the present invention;

FIG. 2 is a left side view of FIG. 1;

Shown in the figure:

1. The device comprises a ground table, 2, a spindle table, 3, a servo motor, 4, an up-down regulator, 5, a speed reducer, 6, a positioning block, 7, a small chain wheel, 8, a large chain wheel, 9, a chain, 10, a front bearing, 11, a front bearing seat, 12, a rear bearing, 13, a rear bearing seat, 14, a spindle, 15, a longitudinal arm, 16, a key, 17, a front-rear regulator, 18, a left-right regulator, 19 and a clamping groove.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is further illustrated by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1 and 2, a novel main shaft transmission connecting device comprises a ground table 1 and a main shaft table 2 arranged on the ground table 1, a servo motor 3 and a speed reducer 5 matched with the servo motor 3 are fixed at the middle part of the main shaft table 2 through a clamping groove 19 and a positioning block 6, a small chain wheel 7 is installed at one end, far away from the servo motor 3, of the speed reducer 5 through a key connection, a front bearing seat 11 and a rear bearing seat 12 are arranged at the top part of the main shaft table 2, a front bearing 10 and a rear bearing 12 are arranged in the front bearing seat 11 and the rear bearing seat 12, a main shaft 14 is installed in the front bearing 10 and the rear bearing 12, the axis of the main shaft 14 and the axis of the servo motor 3 are in a vertical plane, a large chain wheel 8 is installed at one side, close to the small chain wheel 7, of the main shaft 14 through a key connection, the large chain wheel 8 and the small chain wheel 7 are connected together, the other side of the main shaft is provided with a longitudinal arm 15 through key connection, and the longitudinal arm 15 is used for installing other rotary loads.

In this embodiment, the speed reducer 5 is a planetary speed reducer, the small sprocket 7 can fine-adjust the vertical position of the small sprocket 7 through the up-down regulator 4, and the front bearing seat 11 and the rear bearing seat 12 can fine-adjust the horizontal positions of the front bearing seat 11 and the rear bearing seat 12 through the front-back regulator 17 and the left-right regulator 18.

In the embodiment, the servo motor 3 outputs the rotation speed of 0-3000RPM and the torque of 6.5N.m, the rotation of the servo motor 3 drives the speed reducer 5 to rotate, the reduction ratio of the speed reducer 5 is 15:1, the speed reducer 5 drives the small chain wheel 7 with 15 teeth of the output shaft of the speed reducer to rotate, the small chain wheel 7 drives the large chain wheel 8 with 100 teeth to rotate through the transmission of the chain 9, the large chain wheel 8 is connected and fixed on the main shaft 14 through the key 16, the front bearing 10 and the rear bearing 12 are respectively arranged at the front end and the rear end of the middle position of the main shaft 14, the bearings are fixed on the main shaft 14 by adopting a method of, then, the main shaft 14 is fixed on the main shaft platform 2 through the front bearing seat 11 and the rear bearing seat 13, the front end of the main shaft 14 is connected with the longitudinal arm 15 through a wedge-shaped key, the rotating speed of the longitudinal arm 15 is reduced to 0-30RPM, the torque is increased to 650N.m, and other rotating loads can be connected to the two ends of the longitudinal arm.

Finally, it should be further noted that the above examples and illustrations are not limited to the above embodiments, and technical features of the present invention that are not described in the present application can be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention, and the present invention is not limited to the above embodiments, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the spirit scope of the present invention do not depart from the spirit of the present invention, such as the small sprocket and the reducer output shaft, the large sprocket and the main shaft, and the main shaft and the longitudinal arm are connected by a flat key or a wedge key, and can be replaced by a spline key, and such changes also belong to the protection scope of the claims of the present invention.

Claims (4)

1. a novel main shaft transmission connecting device is characterized by comprising a ground table (1) and a main shaft table (2) arranged on the ground table (1), wherein a servo motor (3) and a speed reducer (5) matched with the servo motor (3) are fixed in the middle of the main shaft table (2) through a clamping groove (19) and a positioning block (6) which are arranged, a small chain wheel (7) is installed at one end, far away from the servo motor (3), of the speed reducer (5) through key connection, a front bearing seat (11) and a rear bearing seat (12) are arranged at the top of the main shaft table (2), a front bearing (10) and a rear bearing (13) are arranged in the front bearing seat (11) and the rear bearing seat (12), a main shaft (14) is installed in the front bearing (10) and the rear bearing (13), the axis of the main shaft (14) and the axis of the servo motor (3) are in a vertical plane, a large chain wheel (8) is installed at one side, close to the small chain wheel (7), of the, big sprocket (8) and little sprocket (7) link together through chain (9), and the chain terminal surface is in a vertical plane, the other side of main shaft is installed vertical type arm (15) through the key-type connection, vertical type arm (15) be used for installing other rotary load.

2. A novel spindle drive connection device according to claim 1, characterised in that the reduction gear (5) is a planetary reduction gear.

3. A new type of spindle drive connection, according to claim 1, characterized in that the small sprocket (7) is adjustable in its vertical position by means of an up-down adjuster (4).

4. A new type of spindle drive connection device as claimed in claim 1, characterized in that the front bearing seat (11) and the rear bearing seat (12) can be used to fine-tune the horizontal position of the front bearing seat (11) and the rear bearing seat (12) by means of the front-rear adjuster (17) and the left-right adjuster (18).