CN219299802U

CN219299802U - Self-adaptive embedded coupling with different shaft diameters

Info

Publication number: CN219299802U
Application number: CN202320804966.5U
Authority: CN
Inventors: 王炳强; 汪继宝; 艾超
Original assignee: Zhenjiang Jinding Heavy Industry Co ltd
Current assignee: Zhenjiang Jinding Heavy Industry Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-07-04
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses an embedded coupler with self-adaptive different diameters, which comprises two half couplers, wherein the two half couplers are connected through a fastening bolt and a fastening nut; the utility model discloses a novel shaft coupling which is characterized in that a key groove is formed in a half coupling, grooves symmetrically distributed with the key groove are formed in the half coupling, a compression plate is arranged in the grooves, symmetrically distributed thread grooves are formed in the positions, corresponding to the compression plate, of the outer side of the half coupling, bearings are arranged at the positions, corresponding to the thread grooves, of the compression plate, adjusting screws connected with the bearings are connected to the thread grooves in a threaded mode.

Description

Self-adaptive embedded coupling with different shaft diameters

Technical Field

The utility model belongs to the technical field of couplings, and particularly relates to an embedded coupling with self-adaptive different diameters.

Background

The coupling is a device for connecting two shafts or connecting the shafts and a rotating member together in the process of transmitting motion and power, and is not disconnected under normal conditions, and is sometimes used as a safety device for preventing a connected machine element from bearing excessive load to play a role of overload protection, the coupling is usually formed by combining two halves, and is respectively connected with the two shaft ends by using a key or tight fit and the like, and the two halves are fastened together in a certain way, so that the coupling can be used for compensating offset (including axial offset, radial offset, angular offset or comprehensive offset) between the two shafts due to inaccurate manufacturing and installation, deformation or thermal expansion during working and the like; impact and vibration are alleviated.

The existing shaft coupling is produced and used according to shaft size adaptation, cannot be suitable for shaft assembly of different diameter sizes, is small in application range, cannot meet shaft application of different diameter sizes, and therefore the self-adaptive embedded shaft coupling with different shaft diameters is provided.

Disclosure of Invention

The utility model aims to provide an embedded coupler with self-adaptive different shaft diameters so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-adaptive embedded coupling with different shaft diameters comprises two half couplings, wherein the two half couplings are connected through a fastening bolt and a fastening nut;

the novel hydraulic coupling is characterized in that a key groove is formed in the half coupling, grooves symmetrically distributed with the key groove are formed in the half coupling, a pressing plate is arranged in the grooves, symmetrically distributed thread grooves are formed in the positions, corresponding to the pressing plate, of the outer side of the half coupling, bearings are arranged on the pressing plate, corresponding to the thread grooves, and adjusting screws connected with the bearings are connected to the thread grooves in a threaded mode.

Preferably, the compacting plate is of an arc-shaped plate structure, and a protection pad is arranged on the cambered surface of the compacting plate facing the key groove.

Preferably, the outer ring of the bearing is fixedly connected with the compression plate, and the inner ring of the bearing is fixedly connected with the adjusting screw.

Preferably, one of the half couplings is provided with a bolt groove adapted to the fastening bolt, the other half coupling is provided with a nut clamping groove, the fastening nut is clamped in the nut clamping groove, and the fastening bolt passes through the bolt groove to be in threaded connection with the fastening nut.

Preferably, a sealing gasket ring is arranged between the two half couplings, and the two half couplings are in sealing connection through the sealing gasket ring.

Preferably, annular grooves are formed in opposite sides of the two half couplings, and the sealing gasket rings are clamped in the annular grooves of the two half couplings.

Preferably, a sealing through hole matched with the fastening bolt is formed in the sealing gasket ring, and the joint of the sealing gasket ring and the fastening bolt is sealed.

Preferably, pins distributed in a circular array are arranged on one of the half couplings, pin grooves are formed in the other half coupling at positions corresponding to the pins, and the pins are clamped in the pin grooves

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

1. the utility model is provided with the groove, the compression plate, the thread groove, the bearing and the adjusting screw, when the half coupling is connected with the shaft, the spline on the shaft is clamped and inserted into the key groove in the half coupling, then the two adjusting screws on the compression plate are rotated according to the diameter size of the shaft, at the moment, the two adjusting screws are rotated in the thread groove, and the adjusting screws are rotationally connected with the compression plate through the bearing, so that the adjusting screws push the compression plate downwards through the thread groove, compress the compression plate on the half circumference side of the shaft far away from the spline, compress the spline on the shaft in the key groove, thereby fixing the shaft in the half coupling, and adjusting the position of the compression plate through rotating the adjusting screws, thereby meeting the requirements of installation and use of shaft sides with different diameters, having wide application range and being convenient to adjust and use;

2. the utility model is provided with a fastening bolt, a fastening nut, a bolt groove, a nut clamping groove, a pin and a pin groove, when two half couplings are connected, one half coupling with the pin is attached to the other half coupling with the pin groove, so that the pin is clamped in the pin groove, then the two half couplings are clamped and connected, then the fastening nut is clamped in the nut clamping groove, the fastening bolt passes through the bolt groove to be in threaded connection with the fastening nut, then the fastening bolt and the fastening nut are screwed and fixed, the connection of the two half couplings is completed, the connection stability of the two half couplings is improved through the double radial fixation of the fastening bolt and the fastening nut, the pin and the pin groove, and the problem of torsion of the two half couplings when the rotating speed is too high is avoided, so that the use reliability and stability of the embedded coupling are improved;

3. the utility model is provided with the sealing gasket ring, the annular groove and the sealing through hole, when the two half couplings are connected, the sealing gasket ring is clamped in the annular groove on the two half couplings, the fastening bolt passes through the sealing through hole to be connected with the fastening nut, and the connection tightness between the two half couplings is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic cross-sectional perspective view of the present utility model;

FIG. 5 is a schematic perspective view of one of the coupling halves of the present utility model;

fig. 6 is a schematic perspective view of another coupling half according to the present utility model.

In the figure: 1. a half coupling; 2. a fastening bolt; 3. a fastening nut; 4. a key slot; 5. a groove; 6. a compacting plate; 7. a thread groove; 8. a bearing; 9. adjusting a screw; 10. a bolt slot; 11. a nut clamping groove; 12. a seal grommet; 13. a ring groove; 14. sealing the through hole; 15. a pin; 16. stud grooves.

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. 1-6, the self-adaptive embedded coupling with different axial diameters provided by the utility model comprises two half couplings 1, wherein the two half couplings 1 are connected through a fastening bolt 2 and a fastening nut 3, a bolt groove 10 matched with the fastening bolt 2 is formed in one half coupling 1, a nut clamping groove 11 is formed in the other half coupling 1, the fastening nut 3 is clamped in the nut clamping groove 11, the fastening bolt 2 passes through the bolt groove 10 and is in threaded connection with the fastening nut 3, pins 15 distributed in a circular array are arranged on one half coupling 1, a pin groove 16 is formed in the other half coupling 1 at a position corresponding to the pins 15, and the pins 15 are clamped in the pin groove 16;

when two half couplings 1 are connected, one half coupling 1 with a pin 15 is attached to the other half coupling 1 with the pin 16, the pin 15 is clamped in the pin groove 16, then the two half couplings 1 are clamped and connected, then the fastening nut 3 is clamped in the nut clamping groove 11, the fastening bolt 2 passes through the bolt groove 10 and is in threaded connection with the fastening nut 3, then the fastening bolt 2 and the fastening nut 3 are screwed and fixed, the two half couplings 1 are connected, and the double radial fixation of the fastening bolt 2 and the fastening nut 3 and the pin 15 and the pin groove 16 is completed, so that the connection stability of the two half couplings 1 is improved, the problem that the two half couplings 1 are twisted when the rotating speed is too high is avoided, and the use reliability and stability of the embedded coupling are improved;

the half coupling 1 is internally provided with a key slot 4, the half coupling 1 is internally provided with grooves 5 symmetrically distributed with the key slot 4, the grooves 5 are internally provided with a compression plate 6, the compression plate 6 is of an arc-shaped plate structure, the cambered surface of the compression plate 6 facing the key slot 4 is provided with a protection pad, the outer side of the half coupling 1 is provided with symmetrically distributed thread grooves 7 corresponding to the positions of the compression plate 6, the positions of the compression plate 6 corresponding to the thread grooves 7 are provided with bearings 8, the thread grooves 7 are in threaded connection with adjusting screws 9 connected with the bearings 8, the outer ring of the bearings 8 is fixedly connected with the compression plate 6, and the inner ring of the bearings 8 is fixedly connected with the adjusting screws 9;

the utility model is provided with the groove 5, the compression plate 6, the thread groove 7, the bearing 8 and the adjusting screw 9, when the half coupling 1 is connected with the shaft, the spline on the shaft is clamped and inserted into the key groove 4 in the half coupling 1, then the two adjusting screws 9 on the compression plate 6 are rotated according to the diameter size of the shaft, at the moment, the two adjusting screws 9 are in threaded rotation in the thread groove 7, the adjusting screws 9 are in rotary connection with the compression plate 6 through the bearing 8, so that the adjusting screws 9 push the compression plate 6 downwards in a threaded manner through the thread groove 7, the compression plate 6 is compressed on the half circumference side of the shaft far away from the spline, the spline on the shaft is compressed in the key groove 4, the shaft is fixed in the half coupling 1, and the positions of the compression plate 6 are adjusted through rotating the adjusting screws 9, thereby the installation and the use of shaft sides with different diameters are satisfied, the application range is wide, and the adjustment and the use is convenient.

In this embodiment, as shown in fig. 3-6, a sealing gasket ring 12 is arranged between two half couplings 1, the two half couplings 1 are connected in a sealing way through the sealing gasket ring 12, annular grooves 13 are formed on opposite sides of the two half couplings 1, the sealing gasket ring 12 is clamped in the annular grooves 13 on the two half couplings 1, a sealing through hole 14 matched with a fastening bolt 2 is formed on the sealing gasket ring 12, and the joint of the sealing gasket ring 12 and the fastening bolt 2 is sealed;

the utility model is provided with the sealing gasket ring 12, the annular groove 13 and the sealing through hole 14, when the two half couplings 1 are connected, the sealing gasket ring 12 is clamped in the annular groove 13 on the two half couplings 1, the fastening bolt 2 passes through the sealing through hole 14 to be connected with the fastening nut 3, and the connection tightness between the two half couplings 1 is improved.

To sum up, the use flow of the self-adaptive embedded coupling with different axial diameters provided in this embodiment is as follows:

when the two half couplings 1 are connected, the seal gasket ring 12 is clamped in the annular groove 13 on the two half couplings 1, one half coupling 1 with the pin 15 is attached to the other half coupling 1 with the pin groove 16, the pin 15 is clamped in the pin groove 16, then the two half couplings 1 are clamped and connected, then the fastening nut 3 is clamped in the nut clamping groove 11, the fastening bolt 2 passes through the bolt groove 10 and the seal through hole 14 to be in threaded connection with the fastening nut 3, then the fastening bolt 2 and the fastening nut 3 are screwed and fixed, when the half couplings 1 are connected with a shaft, the spline clamping on the shaft is inserted into the key groove 4 in the half coupling 1, then according to the diameter size of the shaft, the two adjusting screws 9 on the pressing plate 6 are rotated, at this time, the two adjusting screws 9 are rotated in the internal threads of the thread groove 7, and the adjusting screws 9 are rotationally connected with the pressing plate 6 through the bearing 8, so that the adjusting screws 9 push the pressing plate 6 downwards in the thread groove 7, the pressing plate 6 is screwed and fixed on the circumference of the shaft, and the half coupling 1 is far away from the spline groove 4 in the shaft, and the spline groove is fixed on the half coupling 1.

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

1. The self-adaptive embedded coupling with different shaft diameters is characterized by comprising two half couplings (1), wherein the two half couplings (1) are connected with a fastening nut (3) through a fastening bolt (2);

the novel semi-coupling is characterized in that a key groove (4) is formed in the semi-coupling (1), grooves (5) symmetrically distributed with the key groove (4) are formed in the semi-coupling (1), a compression plate (6) is arranged in the grooves (5), symmetrically distributed thread grooves (7) are formed in positions, corresponding to the compression plate (6), of the outer side of the semi-coupling (1), bearings (8) are arranged in positions, corresponding to the thread grooves (7), of the compression plate (6), and adjusting screws (9) connected with the bearings (8) are connected to the thread grooves (7) in a threaded mode.

2. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 1, wherein: the compacting plate (6) is of an arc-shaped plate structure, and a protection pad is arranged on the cambered surface of the compacting plate (6) facing the key groove (4).

3. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 1, wherein: the outer ring of the bearing (8) is fixedly connected with the pressing plate (6), and the inner ring of the bearing (8) is fixedly connected with the adjusting screw (9).

4. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 1, wherein: one of the half couplings (1) is provided with a bolt groove (10) matched with the fastening bolt (2), the other half coupling (1) is provided with a nut clamping groove (11), the fastening nut (3) is clamped in the nut clamping groove (11), and the fastening bolt (2) passes through the bolt groove (10) to be in threaded connection with the fastening nut (3).

5. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 1, wherein: a sealing gasket ring (12) is arranged between the two half couplings (1), and the two half couplings (1) are connected in a sealing way through the sealing gasket ring (12).

6. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 5, wherein: annular grooves (13) are formed in the opposite sides of the two half couplings (1), and the sealing gasket rings (12) are clamped in the annular grooves (13) of the two half couplings (1).

7. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 5, wherein: the sealing gasket ring (12) is provided with a sealing through hole (14) matched with the fastening bolt (2), and the joint of the sealing gasket ring (12) and the fastening bolt (2) is sealed.

8. An adaptive, non-coaxial diameter, in-line coupling as defined in claim 1, wherein: one of the half couplings (1) is provided with pins (15) distributed in a circular array, the other half coupling (1) is provided with pin grooves (16) at positions corresponding to the pins (15), and the pins (15) are clamped in the pin grooves (16).