CN217301318U

CN217301318U - Quick detach formula transmission shaft connecting device

Info

Publication number: CN217301318U
Application number: CN202220179085.4U
Authority: CN
Inventors: 胡江南; 胡晓峰
Original assignee: JIANGXI PROVINCE XINGHAI ZITKO MACHINERY CO Ltd
Current assignee: JIANGXI PROVINCE XINGHAI ZITKO MACHINERY CO Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-26
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to a mechanical equipment transmission connects technical field, especially relates to a quick detach formula transmission shaft connecting device. The utility model provides an eliminate quick detach formula transmission shaft connecting device of axis misalignment error. A quick release type transmission shaft connecting device comprises: the driving device comprises a first driving disc and a second driving disc, wherein a plurality of semi-counter bores are uniformly formed in the first driving disc and the second driving disc, and through holes are formed in the centers of the first driving disc and the second driving disc; the through holes of the two transmission discs are connected with transmission shafts; the eccentric bearing is arranged in a semi-counter bore on the first transmission disc; the stud is arranged in the eccentric bearing. The eccentricity d of the two transmission shafts is equal to the eccentricity d of the semi-counter bore of the transmission disc, and the transmission shafts still rotate according to the angle relation when the axes do not coincide with errors, so that the transmission connection function of the axes which do not coincide is realized.

Description

Quick detach formula transmission shaft connecting device

Technical Field

The utility model relates to a mechanical equipment transmission connects technical field, especially relates to a quick detach formula transmission shaft connecting device.

Background

With the advance and the upgrade of factory automation, the intelligent factory is moved forward, and the original generator set, the auxiliary unit and the execution unit need to be changed, upgraded or replaced. In one set of production line equipment system, due to the fact that a single unit is upgraded, two transmission shafts of different units are asymmetric, and errors of misalignment of axes exist.

Usually, a transmission shaft is connected with a universal coupling, the mode needs special lubrication, too much clearance exists, large torque is easy to damage when being transmitted, and if the universal coupling is damaged, the universal coupling is inconvenient to replace and is inconvenient to disassemble and complex to maintain; the universal coupling is high in cost and not beneficial to popularization in the transformation of units in various factories; therefore, how to design a quick-release type transmission shaft connecting device for eliminating the misalignment error of the axis is a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the error that the axis is misaligned, dismantle inconvenient shortcoming, the technical problem that solves is: a quick-release type transmission shaft connecting device capable of eliminating misalignment errors of a shaft line is provided.

The technical scheme of the utility model is that: a quick-release type transmission shaft connecting device comprises a first transmission disc and a second transmission disc, wherein a plurality of semi-counter bores are uniformly formed in the first transmission disc and the second transmission disc, and through holes are formed in the centers of the first transmission disc and the second transmission disc; the through holes of the two transmission discs are connected with transmission shafts; the eccentric bearing is arranged in a semi-counter bore on the first transmission disc; the eccentric bearing is internally provided with a stud, and the tail end of the stud is symmetrically provided with a groove; the locking piece is arranged in the semi-counter bore on the second transmission disc, and the locking piece and the groove of the column bolt are mutually embedded and clamped.

More preferably, the eccentric bearing is a freely rotatable needle bearing, and the bore of the bearing is eccentric.

More preferably, the upper part of the semi-counter bore on the second transmission disc is in a conical shape; the locking sheet is made of an elastic steel sheet; the locking piece is in a conical shape, is pressed by the conical semi-counter bore on the second transmission disc and is mutually embedded and tightly clamped with the groove of the stud bolt.

More preferably, the through holes at the centers of the first transmission disc and the second transmission disc are spline holes; the transmission shaft is a spline shaft matched with the spline hole.

Compared with the prior art, the utility model has the advantages of as follows: 1. the eccentricity d of the two transmission shafts is equal to the eccentricity d of the semi-counter bore of the transmission disc, and the two transmission shafts still rotate according to the angle relation when the axes do not coincide with errors, so that the transmission connection function of the axes which do not coincide is realized.

2. The stud and the locking piece which are mutually embedded are ensured not to loosen when the transmission shaft rotates or vibrates, and the functions of quick disassembly and quick assembly are realized.

3. The eccentric bearing is a needle bearing capable of rotating freely, so that abrasion and abnormal sound are reduced remarkably.

Drawings

Fig. 1 is a schematic view of the front three-dimensional structure of the present invention.

Fig. 2 is a schematic view of a reverse three-dimensional structure of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

Fig. 4 is a schematic cross-sectional view of the present invention.

Fig. 5 is a schematic view of a partial three-dimensional structure of the present invention.

The parts are labeled as follows: 1. the transmission device comprises a first transmission disc, 101, a semi-counter bore, 102, a spline hole, 2, a second transmission disc, 201, a conical counter bore, 3, a transmission shaft, 4, an eccentric bearing, 5, a stud, 501, a groove, 6 and a locking sheet.

Detailed Description

It is to be noted that, in the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained throughout the description can be transferred in a meaningful manner to identical components having the same reference numerals or the same component names. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.

Example 1

As shown in fig. 1-5, a quick-release transmission shaft connecting device comprises a first transmission disc 1, a second transmission disc 2, a transmission shaft 3, an eccentric bearing 4, a stud bolt 5 and a locking piece 6, wherein a plurality of semi-counter bores 101 are uniformly formed in the first transmission disc 1 and the second transmission disc 2, and a through hole is formed in the center of each of the first transmission disc 1 and the second transmission disc 2; the through holes of the two transmission discs are connected with transmission shafts 3; an eccentric bearing 4 is arranged in a semi-counterbore 101 on the first transmission disc 1; a stud bolt 5 is arranged in the eccentric bearing 4, and grooves 501 are symmetrically formed in the tail end of the stud bolt 5; the locking piece 6 is arranged in the semi-counter bore 101 on the second transmission disc 2, and the locking piece 6 is tightly embedded with the groove 501 of the stud bolt 5.

In the transmission process, the input transmission shaft 3 and the output transmission shaft 3 are allowed to have an axis misalignment error, the eccentricity d of the two transmission shafts 3 is equal to the eccentricity d of the semi-counterbore 101 of the transmission disc, and the two transmission shafts are still rotated according to the angle relationship when the axes are misaligned by the eccentric connection of the stud bolts 5. The universal joint can replace a universal joint to realize the transmission connection function with non-coincident axes.

The eccentric bearing 4 is a needle bearing capable of freely rotating, so that abrasion and abnormal sound are remarkably reduced; the bore of the bearing is eccentric.

Example 2

As shown in fig. 2, 3 and 5, on the basis of embodiment 1, the upper part of the semi-counterbore 101 on the second transmission disc 2 is in a conical shape; the locking sheet 6 is made of an elastic steel sheet; the locking sheet 6 is in a conical shape, is pressed by the conical semi-counter bore 101 on the second transmission disc 2, and is mutually embedded and clamped with the groove 501 of the stud bolt 5. The stud bolt 5 and the locking piece 6 fitted to each other are ensured not to be loosened when the transmission shaft 3 rotates or vibrates. The locking plate 6 is an elastic steel plate and is a disposable part, the locking plate 6 only needs to be pried open during disassembly, and a brand-new accessory is pressed into the conical half-counter bore 101 during assembly, so that the functions of quick disassembly and quick assembly are realized.

The through holes in the centers of the first transmission disc 1 and the second transmission disc 2 are spline holes 102; the transmission shaft 3 is a spline shaft matched with the spline hole 102, so that the transmission efficiency is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a quick detach formula transmission shaft connecting device which characterized in that: the device comprises a first transmission disc (1) and a second transmission disc (2), wherein a plurality of semi-counter bores (101) are uniformly formed in the first transmission disc (1) and the second transmission disc (2), and through holes are formed in the centers of the first transmission disc (1) and the second transmission disc (2);

the transmission shafts (3) are connected in the through holes of the two transmission discs;

the eccentric bearing (4) is arranged in a semi-counter bore (101) on the first transmission disc (1);

the eccentric bearing (4) is internally provided with a stud (5), and the tail end of the stud (5) is symmetrically provided with grooves (501);

the locking piece (6) is arranged in the semi-counter bore (101) on the second transmission disc (2), and the locking piece (6) is tightly embedded with the groove (501) of the stud bolt (5).

2. The quick release type transmission shaft connecting device according to claim 1, characterized in that: the eccentric bearing (4) is a needle bearing capable of freely rotating, and a hole of the bearing is eccentric.

3. The quick release type transmission shaft connecting device according to claim 1, wherein: the upper part of a semi-counter bore (101) on the second transmission disc (2) is in a conical shape; the locking sheet (6) is made of an elastic steel sheet; the locking sheet (6) is in a conical shape, is tightly pressed by the conical semi-counter bore (101) in the second transmission disc (2), and is mutually embedded and clamped with the groove (501) of the stud bolt (5).

4. The quick release type transmission shaft connecting device according to claim 1, wherein: the through holes in the centers of the first transmission disc (1) and the second transmission disc (2) are spline holes (102); the transmission shaft (3) is a spline shaft matched with the spline hole (102).