CN219549406U - Shaft coupling with locking disc - Google Patents

Abstract

The utility model relates to the field of couplings, and discloses a coupling with a locking disc, which comprises a first half coupling and a second half coupling at two ends, wherein one end, close to each other, of the first half coupling and one end, close to each other, of the second half coupling are fixedly connected with a first flange and a second flange respectively, an intermediate shaft is fixedly connected between the first flange and the second flange, a diaphragm locking disc is sleeved on the intermediate shaft, a plurality of groups of bolt holes which are horizontally aligned are formed in the first flange, the second flange and the diaphragm locking disc, fastening bolts are inserted in the first flange, the second flange and the diaphragm locking disc through the bolt holes in a threaded manner, a plurality of groups of locking fastening mechanisms are arranged between the first flange and the second flange, so that the locking force is improved, the fastening property between the first half coupling and the second half coupling is improved, and the function of allowing the maximum rotation torque bearing range is increased, and the advantages of misalignment and axial displacement can be compensated are achieved.

Description

Shaft coupling with locking disc

Technical Field

The utility model relates to the field of couplings, in particular to a coupling with a locking disc.

Background

The coupler is a device for connecting two shafts or connecting the shafts and a rotary member, and rotating together in the process of transmitting motion and power, and not disengaging under normal conditions. Sometimes also used as a safety device for preventing the connected machine parts from bearing excessive load, and playing the role of overload protection; in a high-speed rotating unit, the transverse vibration frequency of the coupler is close to the rotating speed frequency of a rotor, the manufacturing accuracy of the coupler is poor, and the abnormal vibration is caused by unbalance, so that the connection of the coupler is loose, and when the rotating speed is too high, the coupler flies out to cause immeasurable damage to the surrounding environment, and therefore, the coupler with the locking disc is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the coupler with the locking disc, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the shaft coupling with the locking disc comprises a first half coupling and a second half coupling at two ends, wherein one ends, close to each other, of the first half coupling and the second half coupling are respectively and fixedly connected with a first flange and a second flange, an intermediate shaft is fixedly connected between the first flange and the second flange, a diaphragm locking disc is sleeved on the intermediate shaft, a plurality of groups of bolt holes which are horizontally aligned are formed in the first flange, the second flange and the diaphragm locking disc, fastening bolts are inserted into the first flange, the second flange and the diaphragm locking disc through the bolt holes in a threaded mode, and a plurality of groups of locking fastening mechanisms are arranged between the first flange and the second flange.

Preferably, the outer diameters of the first flange plate, the second flange plate and the diaphragm locking plate are the same.

Preferably, four groups of fastening bolts are connected among the first flange plate, the second flange plate and the diaphragm locking plate, and the installation directions of the two groups of fastening bolts on the diagonal line are opposite.

Preferably, a first semicircular notch is formed in the upper, lower, left and right positions of the central point of the diaphragm locking disc, and a second semicircular notch is formed in the position, corresponding to the first semicircular notch formed in the diaphragm locking disc, of the first flange disc.

Preferably, the locking and fixedly connecting mechanism comprises a plugging rod, tension springs and a fixed connecting rod, the outer wall of the side surface of the flange plate II, which is close to the diaphragm locking plate, is fixedly connected with four groups of fixed connecting rods corresponding to the semicircular notch I, the four groups of fixed connecting rods horizontally penetrate through the semicircular notch I and the semicircular notch II to extend to the side surface of the flange plate I, the fixed connecting rods are attached to the inner walls of the semicircular notch I and the semicircular notch II, a mounting piece is fixedly mounted at the middle point of a curved arc, corresponding to the four groups of semicircular notch II, of the outer wall of the side surface of the flange plate I, the plugging rod is movably plugged in the mounting piece, the four groups of plugging rods are respectively perpendicular to the four groups of fixed connecting rods and form a cross shape, the fixed connecting rods are correspondingly provided with plugging holes, one ends of the plugging rods are plugged in the fixed connecting rods through the plugging holes, one ends of the plugging rods, which are away from the fixed connecting rods, the discs are fixedly mounted, and the tension springs sleeved on the periphery of the plugging rod are fixedly connected between the discs and the mounting piece.

(III) beneficial effects

Compared with the prior art, the utility model provides the shaft coupling with the locking disc, which has the following beneficial effects:

1. the multi-group fastening bolts connected between the first flange plate and the second flange plate can be used for completing fixed connection, the installation directions of the two groups of fastening bolts on the diagonal are opposite, vibration caused by rotation of the coupling can be relatively absorbed, accordingly loosening of the fastening bolts is reduced, meanwhile, the diaphragm locking plate between the first flange plate and the second flange plate is increased, torque is transmitted, deformation caused by misalignment is digested and absorbed, relative speed is achieved in the middle of parts, the inserting connection rod in the locking fastening connection mechanism is vertically inserted with the fixed connection rod, locking force is improved, the fastening performance between the first half coupling and the second half coupling is improved, and the function of allowing bearing the maximum rotation torque range is increased, so that the advantages of misalignment and axial displacement can be compensated are achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a diaphragm lock disk of the present utility model;

FIG. 3 is a schematic view of a coupling half according to the present utility model;

fig. 4 is a schematic diagram of a coupling half according to the present utility model.

In the figure: 1. a half coupling I; 2. a second half coupling; 3. a first flange plate; 4. a second flange plate; 5. a diaphragm locking disc; 6. a fastening bolt; 7. a lock fastening mechanism; 8. a semicircular notch I; 9. semicircular notch II; 10. a mounting member; 11. inserting a connecting rod; 12. a tension spring; 13. a wafer; 14. a fixed connecting rod; 15. and a plug hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the coupling with locking disc comprises a first coupling half 1 and a second coupling half 2 at two ends, wherein one end, close to each other, of the first coupling half 1 and the second coupling half 2 is fixedly connected with a first flange plate 3 and a second flange plate 4 respectively, an intermediate shaft is fixedly connected between the first flange plate 3 and the second flange plate 4, a diaphragm locking disc 5 is sleeved on the intermediate shaft, a plurality of groups of bolt holes which are horizontally aligned are formed in the first flange plate 3, the second flange plate 4 and the diaphragm locking disc 5, a fastening bolt 6 is inserted between the first flange plate 3, the second flange plate 4 and the diaphragm locking disc 5 through the bolt holes in a threaded manner, a plurality of groups of locking fastening mechanisms 7 are arranged between the first flange plate 3 and the second flange plate 4, the diaphragm locking disc 5 between the first flange plate 3 and the second flange plate 4 is increased to transmit torque and digest and absorb deformation caused by misalignment, and the relative speed is high in the middle of parts.

The outer diameters of the first flange plate 3, the second flange plate 4 and the diaphragm locking plate 5 are the same, four groups of fastening bolts 6 are connected among the first flange plate 3, the second flange plate 4 and the diaphragm locking plate 5, and the installation directions of the two groups of fastening bolts 6 on the diagonal lines in the four groups of fastening bolts 6 are opposite, so that vibration caused by rotation of the coupler can be relatively absorbed, and loosening of the fastening bolts 6 is reduced.

Semicircular notches I8 are formed in the upper, lower, left and right positions of the central point of the diaphragm locking disc 5, and semicircular notches II are formed in the positions, corresponding to the positions, where the semicircular notches I8 are formed in the diaphragm locking disc 5, of the flange plate I3.

The lock fastening mechanism 7 comprises a plugging rod 11, a tension spring 12 and a fixed connecting rod 14, wherein the second flange 4 is fixedly connected with four groups of fixed connecting rods 14 close to the side outer wall of the diaphragm locking disk 5 corresponding to the first semicircular notch 8, the four groups of fixed connecting rods 14 horizontally penetrate through the first semicircular notch 8 and the second semicircular notch 9 to extend to the side surface of the first flange 3, the fixed connecting rods 14 are attached to the inner walls of the first semicircular notch 8 and the second semicircular notch 9, the mounting part 10 is fixedly mounted at the middle point of the curved arc of the side outer wall of the first flange 3, which is away from the diaphragm locking disk 5 and corresponds to the second semicircular notch 9, the plugging rod 11 is movably plugged in the mounting part 10, the four groups of plugging connecting rods 11 are respectively vertical to the four groups of fixed connecting rods 14 and form a cross shape, the fixed connecting rod 14 corresponds to the side outer wall of the inserting connecting rod 11 and is provided with the inserting hole 15, one end of the inserting connecting rod 11 is inserted into the fixed connecting rod 14 through the inserting hole 15, one end of the inserting connecting rod 11 deviating from the fixed connecting rod 14 is fixedly provided with the circular sheet 13, a tension spring 12 sleeved on the periphery of the inserting connecting rod 11 is fixedly connected between the circular sheet 13 and the mounting piece 10, the inserting connecting rod 11 in the locking fastening mechanism 7 is vertically inserted with the fixed connecting rod 14, locking force is improved, the fixing property between the first half coupling 1 and the second half coupling 2 is improved, and the function of allowing the maximum rotation torque bearing range is increased, so that the non-centering and axial displacement can be compensated.

Working principle: the first half coupling 1 and the second half coupling 2 can be fixedly connected through a plurality of groups of fastening bolts 6 connected between the first flange plate 3 and the second flange plate 4, and the installation directions of the two groups of fastening bolts 6 on the diagonal are opposite, so that vibration caused by rotation of the coupling can be relatively absorbed, loosening of the fastening bolts 6 is reduced, meanwhile, the diaphragm locking plate 5 between the first flange plate 3 and the second flange plate 4 is increased, torque is transmitted, deformation caused by misalignment is digested and absorbed, the middle of parts is relatively fast, the vertical insertion of the inserting rod 11 and the fixed connecting rod 14 in the locking and fastening mechanism 7 is realized, the locking force is improved, the fastening performance between the first half coupling 1 and the second half coupling 2 is increased, and the function of allowing bearing the maximum rotation torque range is increased, so that the misalignment and axial displacement can be compensated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a take locking disk type shaft coupling, includes half shaft coupling one (1) and half shaft coupling two (2) at both ends, half shaft coupling one (1) and half shaft coupling two (2) are close to each other's one end fixedly connected with ring flange one (3) and ring flange two (4) respectively, its characterized in that: the middle shaft is fixedly connected between the first flange plate (3) and the second flange plate (4), the middle shaft is sleeved with the diaphragm locking plate (5), a plurality of groups of horizontally aligned bolt holes are formed in the first flange plate (3), the second flange plate (4) and the diaphragm locking plate (5), the first flange plate (3), the second flange plate (4) and the diaphragm locking plate (5) are connected with the fastening bolts (6) through bolt hole threads in a plugging mode, and a plurality of groups of locking fastening mechanisms (7) are arranged between the first flange plate (3) and the second flange plate (4).

2. The disc-on-lock coupling of claim 1, wherein: the outer diameters of the first flange plate (3), the second flange plate (4) and the diaphragm locking plate (5) are the same.

3. The disc-on-lock coupling of claim 1, wherein: the four groups of fastening bolts (6) are connected among the first flange plate (3), the second flange plate (4) and the diaphragm locking plate (5), and the installation directions of the two groups of fastening bolts (6) on the diagonal line are opposite in the four groups of fastening bolts (6).

4. The disc-on-lock coupling of claim 1, wherein: semicircular notches I (8) are formed in the upper, lower, left and right positions of the center point of the diaphragm locking disc (5), and semicircular notches II (9) are formed in the positions, corresponding to the positions, where the diaphragm locking disc (5) is provided with the semicircular notches I (8), of the flange disc I (3).

5. The disc-on-lock coupling of claim 4, wherein: the locking and fixedly connecting mechanism (7) comprises a plugging rod (11), a tension spring (12) and a fixed connecting rod (14), the side outer wall of a second flange plate (4) close to a diaphragm locking disc (5) is fixedly connected with four groups of fixed connecting rods (14) corresponding to the first semicircular notch (8), the four groups of fixed connecting rods (14) horizontally penetrate through the first semicircular notch (8) and the second semicircular notch (9) to extend to the side surface of the first flange plate (3), the fixed connecting rods (14) are attached to the inner walls of the first semicircular notch (8) and the second semicircular notch (9), a mounting piece (10) is fixedly mounted at the middle point of a curved arc of the side outer wall of the first flange plate (3) deviating from the diaphragm locking disc (5) corresponding to the second semicircular notch (9), the plugging rod (11) is movably plugged in the mounting piece (10), the four groups of plugging rods (11) are respectively perpendicular and form a cross shape, one end of each plugging rod (11) is correspondingly provided with a plugging hole (15), one end of each plugging rod (11) is fixedly plugged into one end of each plugging rod (14) through the corresponding to the corresponding plugging rod (11), a tension spring (12) sleeved on the periphery of the plug rod (11) is fixedly connected between the wafer (13) and the mounting piece (10).