Variable-diameter locking device for motor coupler

Abstract

The utility model belongs to the technical field of mechanical transmission, and particularly discloses a variable-diameter locking device for a motor coupler, which comprises a coupler, one end of the coupler is fixedly connected with a shaft sleeve, a conical cavity is arranged in the shaft sleeve, the outer wall of the shaft sleeve is provided with threads, and the shaft sleeve is in threaded connection with a locking sleeve. In order to solve the problems in the prior art, the conical shaft sleeve is arranged at the end, connected with the motor, of the coupler, so that the coupler can adapt to motor spindles and rollers with different diameters, the coupler has good universality and flexibility, and the problems that in the prior art, a coupler is poor in adaptability and poor in adaptability are solved. And the connection requirements of motors with different diameters cannot be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical transmission technical field, concretely relates to a motor shaft coupling variable diameter lock connection device. BACKGROUND

[0002] Coupling is an important mechanical component, its main function is to connect the shaft line of two or more devices or components, so that they will rotate together in the process of transmitting motion and power, ensure the control of angular displacement error and reduce vibration, so as to ensure the stability and accuracy of transmission system. Under normal working conditions, the coupling will not be disconnected, ensuring the stable connection and power transmission between the shafts.

[0003] The coupling is usually composed of two half couplings, shock absorbing washers, fastening bolts, gripping shafts and elastic shaft cores. One end of the half coupling is fixed on the shaft, and the other end is inserted into the gripping shaft, and the two half couplings and the gripping shaft are tightly fixed by the fastening bolts. The elastic shaft core plays a role in buffering pressure and absorbing vibration. In the industrial field, the coupling is widely used, mainly used in the transmission and connection of mechanical equipment. For example, food processing machinery, mining equipment, steel metallurgical equipment, papermaking equipment and other mechanical equipment often use couplings. In these devices, the coupling can connect the transmission shaft and the power machine to transmit power to the mechanical equipment, realizing the normal operation of the mechanical equipment. At the same time, the coupling also has the functions of shock absorption, noise reduction and protection of transmission system, ensuring the stability and life of the mechanical equipment.

[0004] In modern industrial production and operation of various mechanical equipment, motor as the key power source, its application is extremely wide. The motor outputs power through the main shaft, and in many cases needs to be connected with other equipment through the coupling to realize power transmission. There are many types of couplings on the market, common ones are rigid coupling, elastic coupling, tooth coupling, etc. The design of these couplings is usually made according to specific specifications and sizes, so there are problems such as poor specification adaptability, high replacement cost, inconvenient installation and maintenance when the couplings are connected with different diameter motor shafts in the use process.

[0005] In order to solve the above problems, the utility model provides a motor shaft coupling variable diameter lock connection device to solve the problem of poor adaptability of the coupling in the prior art, which cannot meet the connection requirements of different diameter motors. Utility model content

[0006] The utility model aims at providing a motor shaft coupling variable diameter lock connection device to solve the problem of poor adaptability of the coupling in the prior art, which cannot meet the connection requirements of different diameter motors.

[0007] To achieve the above object, the utility model provides a basic scheme for: a motor shaft coupling variable diameter lock connection device, including the shaft coupling, one end of the shaft coupling is fixedly connected with the shaft sleeve, the shaft sleeve is equipped with the cavity, the cavity is tapered, the outer wall of the shaft sleeve is equipped with the screw thread, the shaft sleeve is connected with the lock sleeve on the screw thread.

[0008] The utility model discloses a working principle lies in: using, first, the shaft sleeve on the shaft coupling is aligned motor main shaft, then the shaft sleeve on the shaft coupling is connected on the motor main shaft, ensure that the tapered cavity of the shaft sleeve is closely combined with the motor main shaft, finally, the lock sleeve is screwed on the shaft sleeve through the screw thread, until the lock sleeve firmly fixed motor on the shaft coupling.

[0009] The utility model discloses the beneficial effect lies in: the utility model discloses a tapered shaft sleeve is arranged on the one end of the shaft coupling and the motor connection, thereby making the shaft coupling can adapt to the motor main shaft and the roller of different diameters, and further making it have good versatility and flexibility, compared with the traditional shaft coupling, need not purchase multiple specifications of the shaft coupling, reduces the equipment procurement and the inventory cost, and the installation and debugging process of the device are simple and quick, can complete the connection of motor and the roller in a short time, improves the production efficiency.

[0010] Scheme two, this is the preferred of basic scheme, the one end of the shaft coupling connecting sleeve is equipped with rubber spring, and the rubber spring is located in the shaft sleeve;Rubber spring can fill the shaft sleeve, make the shaft coupling and motor connection more closely.

[0011] Scheme three, this is the preferred of basic scheme, the material of the shaft sleeve is 4140 alloy steel, and the material of the lock sleeve is aluminum alloy;Have good wear resistance and rigidity, thereby can prolong the service life.

[0012] Scheme four, this is the preferred of basic scheme, one end of the shaft coupling is equipped with the adjusting mechanism, the adjusting mechanism includes the installation shell and the first pivot, the first pivot is located in the installation shell, one end of the first pivot is movably penetrated through the top of the installation shell, the other end of the first pivot is equipped with the first helical gear, the first helical gear is hingedly connected with the second helical gear (64), the second helical gear is fixedly connected with the second pivot, the second pivot is fixedly connected with the first connecting plate, the both ends of the first connecting plate are hingedly connected with the second connecting plate, the second connecting plate is fixedly connected with the arc clamping plate;The diameter of the connecting end of the shaft coupling can be adjusted by the staff, and then adapt to the motor of different diameters.

[0013] Scheme five, this is the preferred of basic scheme, one end of the first pivot penetrated through the installation shell is equipped with the hand wheel;Convenient for the staff operation.

[0014] Scheme six, this is the preferred basis of the scheme, the arc-shaped splint is provided with rubber pad; the rubber pad can protect the connecting end of the motor, prevent the motor output end wear.

[0015] Scheme seven, this is the preferred basis of the scheme, the second connecting plate is fixedly connected with a limiting block, the mounting shell is provided with a limiting slot, and the limiting block is slidably connected to the limiting slot; the second connecting plate is limited, preventing the second connecting plate from rotating randomly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of a motor coupling variable diameter locking device of the utility model;

[0017] Figure 2 is a sectional view of a motor coupling variable diameter locking device of the utility model;

[0018] Figure 3 is a structure schematic view of an adjusting mechanism in a motor coupling variable diameter locking device of the utility model;

[0019] Figure 4 is a sectional side view of an adjusting mechanism in a motor coupling variable diameter locking device of the utility model. DETAILED DESCRIPTION

[0020] The utility model will be further explained in detail by specific implementation:

[0021] The reference signs in the drawings of the specification include: 1, coupling; 2, shaft sleeve; 3, thread; 4, lock sleeve; 5, rubber spring; 6, adjusting mechanism; 61, mounting shell; 62, first rotating shaft; 63, first helical gear; 64, second helical gear; 65, second rotating shaft; 66, first connecting plate; 67, second connecting plate; 68, arc-shaped splint; 7, hand wheel; 8, rubber pad; 9, limiting block; 10, limiting slot.

[0022] Example one

[0023] As Figure 1 and Figure 2 shown: a motor coupling variable diameter locking device, including coupling 1, one end of coupling 1 is fixedly connected with shaft sleeve 2, the material of shaft sleeve 2 is 4140 alloy steel, coupling 1 is provided with rubber spring 5 at the end of shaft sleeve 2, rubber spring 5 is located in shaft sleeve 2, shaft sleeve 2 is provided with a cavity, the cavity is tapered, the outer wall of shaft sleeve 2 is provided with thread 3, and lock sleeve 4 is connected with the thread 3 on shaft sleeve 2, the material of lock sleeve 4 is aluminum alloy.

[0024] The implementation manner of the embodiment is: when the coupling 1 needs to be connected with the motor, first, ensure that the motor is in a power-off state, then align the shaft sleeve 2 on the coupling 1 with the motor shaft, align the center of the coupling 1 with the center of the motor shaft, then sleeve the shaft sleeve 2 on the coupling 1 on the motor shaft, ensure that the tapered cavity of the shaft sleeve 2 is tightly fitted with the motor shaft, and finally, screw the lock sleeve 4 on the shaft sleeve 2 through the thread 3 until the lock sleeve 4 firmly fixes the motor on the coupling 1.

[0025] Embodiment two

[0026] As Figure 3 and Figure 4 described: a motor coupling variable-diameter locking device, comprising a coupling 1, one end of the coupling 1 is provided with an adjusting mechanism 6, the adjusting mechanism 6 comprises a mounting shell 61 and a first rotating shaft 62, the first rotating shaft 62 is located in the mounting shell 61, one end of the first rotating shaft 62 movably penetrates the top of the mounting shell 61, a hand wheel 7 is arranged on the end of the first rotating shaft 62 penetrating the mounting shell 61, a first bevel gear 63 is arranged on the other end of the first rotating shaft 62, a second bevel gear 64 is meshingly connected to the first bevel gear 63, a second rotating shaft 65 is fixedly connected to the second bevel gear 64, a first connecting plate 66 is fixedly connected to the second rotating shaft 65, second connecting plates 67 are hingedly connected to both ends of the first connecting plate 66, arc-shaped clamping plates 68 are fixedly connected to the second connecting plates 67, rubber pads 8 are arranged on the arc-shaped clamping plates 68, limit blocks 9 are fixedly connected to the second connecting plates 67, limit grooves 10 are arranged on the mounting shell 61, and the limit blocks 9 are slidingly connected to the limit grooves 10.

[0027] The implementation manner of the embodiment is: when the coupling 1 needs to be connected with the motor, first, rotate the hand wheel 7, drive the first bevel gear 63 to rotate through the first rotating shaft 62, drive the second bevel gear 64 and the second rotating shaft 65 to rotate, and then drive the first connecting plate 66 to move through the second connecting plate 67, and at the same time, the limit blocks 9 slide on the limit grooves 10, the second connecting plates 67 open to both sides, then align the motor shaft with the center of the coupling 1, so that the motor shaft is located between the two arc-shaped clamping plates 68, then rotate the hand wheel 7 in the opposite direction, drive the first bevel gear 63 to rotate through the first rotating shaft 62, drive the second bevel gear 64 and the second rotating shaft 65 to rotate, and then drive the first connecting plate 66 to move inward through the second connecting plate 67, and the motor can be connected with the coupling 1.

[0028] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much here. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An electric machine coupling variable diameter locking device, characterized by, Including coupling (1), one end of coupling (1) is fixedly connected with shaft sleeve (2), the cavity is equipped in shaft sleeve (2), the cavity is tapered, the outer wall of shaft sleeve (2) is equipped with thread (3), the lock sleeve (4) is threadedly connected on shaft sleeve (2).

2. An electric machine coupling variable diameter lock-up device as set forth in claim 1, characterized by One end of the coupling (1) is provided with a rubber spring (5), and the rubber spring (5) is located in the shaft sleeve (2).

3. The motor shaft coupling variable diameter locking device of claim 1, wherein, The material of the shaft sleeve (2) is 4140 alloy steel, and the material of the lock sleeve (4) is aluminum alloy.

4. The motor shaft coupling variable diameter locking device of claim 1, wherein, One end of the coupling (1) is provided with an adjusting mechanism (6), the adjusting mechanism (6) includes a mounting shell (61) and a first shaft (62), the first shaft (62) is located in the mounting shell (61), one end of the first shaft (62) is movably penetrated through the top of the mounting shell (61), the other end of the first shaft (62) is provided with a first bevel gear (63), the first bevel gear (63) is engaged with a second bevel gear (64), the second bevel gear (64) is fixedly connected with a second shaft (65), the second shaft (65) is fixedly connected with a first connecting plate (66), the first connecting plate (66) is hingedly connected with a second connecting plate (67) at both ends, and the second connecting plate (67) is fixedly connected with an arc-shaped clamping plate (68).

5. An electric machine coupling variable diameter lock-up device as set forth in claim 4, characterized by One end of the first shaft (62) penetrating the mounting shell (61) is provided with a hand wheel (7).

6. An electric machine coupling variable diameter lock joint device according to claim 4, characterized in that, The arc-shaped clamping plate (68) is provided with a rubber pad (8).

7. The motor shaft coupling variable diameter locking device of claim 4, wherein, The second connecting plate (67) is fixedly connected with a limiting block (9), and the mounting shell (61) is provided with a limiting groove (10), and the limiting block (9) is slidably connected with the limiting groove (10).

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