CN212839015U - Electric locomotive air compressor and motor coupling device - Google Patents

Abstract

The utility model discloses an electric locomotive air compressor and motor coupling device, which relates to the field of shaft coupling and aims to solve the problem that the service life of the connection between the electric locomotive air compressor and the motor is easily affected by vibration when working; the utility model comprises an air compressor body, wherein the air compressor body is provided with a machine head and a motor which are in transmission connection through a connecting device; the connecting device comprises a machine head fixing device, a motor fixing device and an elastic coupling, the machine head fixing device, the motor fixing device and the motor are sequentially and fixedly connected, and the central line of a machine head shaft, the central line of the motor shaft, the central line of the machine head fixing device and the central line of the motor fixing device are collinear; the utility model discloses reduce the off-centre that causes because of the artificial reason to improve the installation accuracy when maintaining, reduced the vibrations of the during operation that leads to because of off-centre.

Description

Electric locomotive air compressor and motor coupling device

Technical Field

The utility model relates to a shaft coupling field specifically is an electric locomotive air compressor machine and motor coupling device.

Background

The electric locomotive is important transportation equipment, the maintenance of electric locomotive air compressor machine is daily indispensable work, when the staff maintains and maintains the air compressor machine on electric locomotive, need to dismantle the junction of air compressor machine aircraft nose and motor and maintain and rectify, air compressor machine aircraft nose axle and motor shaft are connected with rigid coupling transmission usually, the installation precision when the staff maintains is limited, in addition when electric locomotive is worked, the air compressor machine is in unstable shock condition, these two points very easily lead to air compressor machine aircraft nose and motor junction spare part consume, make the junction life-span of electric locomotive air compressor machine and motor shorten, even break down in work, bring bigger loss, consequently, a new electric locomotive air compressor machine and motor coupling device is urgently needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric locomotive air compressor machine and motor coupling device to the junction during operation of solving electric locomotive air compressor machine and motor easily shakes the problem that influences life.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting device for an air compressor and a motor of an electric locomotive comprises an air compressor body, wherein a machine head and a motor are arranged on the air compressor body and are in transmission connection through a connecting device; the connecting device comprises a machine head fixing device, a motor fixing device and an elastic coupling, one end of the machine head fixing device is fixedly connected with the machine head, the other end of the machine head fixing device is fixedly connected with one end of the motor fixing device, the other end of the motor fixing device is fixedly connected with the motor, the machine head fixing device and the motor fixing device are both hollow and have two through ends, the elastic coupling is positioned inside the machine head fixing device, and two ends of the elastic coupling are respectively fixedly connected with a shaft of the motor and a shaft of the machine head; the center line of the shaft of the machine head, the center line of the shaft of the motor, the center line of the machine head fixing device and the center line of the motor fixing device are collinear.

Preferably, the handpiece fixing device is in a shape of a circular truncated cone, and the motor fixing device is in a shape of a cylinder.

Preferably, the machine head fixing device is connected with the machine head through bolts, a flange is arranged at one end of the machine head fixing device, which is connected with the motor fixing device, flanges are also arranged at two ends of the motor fixing device, the flange of the machine head fixing device is connected with the flange of one end, which is close to the machine head, of the motor fixing device through bolts, and the flange of the other end of the motor fixing device is connected with the motor through bolts.

Preferably, a plurality of observation ports are arranged on the outer peripheral surface of the handpiece fixing device.

In the above preferred embodiment, four observation ports are provided, and each observation port has an elliptical shape having the same shape and size.

Preferably, the elastic coupling comprises a coupling machine head part, a coupling motor part and a buffer cushion, the buffer cushion is installed between the coupling machine head part and the coupling motor part, the coupling machine head part is in transmission connection with the coupling motor part, the coupling machine head part is fixedly connected with a shaft of the machine head through a flat key pin, and the coupling motor part is fixedly connected with a shaft of the motor through a flat key pin.

In the above preferred mode, the elastic coupling is a lotus-shaped coupling, and the cushion pad is a lotus-shaped cushion pad.

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

1. this electric locomotive air compressor machine and motor coupling device, be provided with aircraft nose fixing device and motor fixing device between motor and aircraft nose, when the installation punches for the first time, need the accurate positioning, ensure the aircraft nose axle, the motor shaft, aircraft nose fixing device and motor fixing device's equal collineation of central line, in the maintenance of maintaining in the future, can rectify motor shaft and air compressor machine aircraft nose axle fast through screwing up the bolt at aircraft nose fixing device and motor fixing device both ends, reduce the off-centre that causes because of the artificial reason, thereby the installation accuracy has been improved, vibrations of during operation because of off-centre leads to have been reduced, the life of junction spare part has been prolonged.

2. According to the electric locomotive air compressor and motor connecting device, the elastic coupling is adopted to replace an originally used rigid coupling, so that the abrasion in the working process is reduced, a certain damping effect is achieved, and the service life of parts at the connecting part is prolonged.

3. According to the electric locomotive air compressor and motor connecting device, the machine head fixing device and the motor fixing device are arranged between the motor and the machine head, so that the electric locomotive can play a role in shock absorption when working, and the service life of parts at the connecting part is prolonged.

Drawings

FIG. 1 is a schematic view of the position relationship of the present invention;

fig. 2 is an enlarged view of the connecting device of the present invention.

In the figure: 1. an air compressor body; 2. a machine head; 3. a connecting device; 4. a motor; 5. a handpiece fixing device; 6. a cushion pad; 7. a motor fixing device; 8. a coupling nose section; 9. a coupling motor part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 and 2, an electric locomotive air compressor and motor coupling device includes an air compressor body 1, a machine head 2 and a motor 4 are arranged on the air compressor body 1, and the machine head 2 and the motor 4 are in transmission connection through a connecting device 3; the connecting device 3 comprises a machine head fixing device 5, a motor fixing device 7 and an elastic coupling, the elastic coupling enables equipment to be more difficult to vibrate than a rigid coupling and can reduce abrasion, wherein the machine head fixing device 5 is preferably in a round table shape, the motor fixing device 7 is preferably in a cylindrical shape, one end of the machine head fixing device 5 is fixedly connected with the machine head 2, the other end of the machine head fixing device 5 is fixedly connected with one end of the motor fixing device 7, the other end of the motor fixing device 7 is fixedly connected with the motor 4, the machine head fixing device 5 and the motor fixing device 7 are both hollow and have two ends communicated, the elastic coupling is positioned inside the machine head fixing device 5, and two ends of the elastic coupling are respectively fixedly connected with a shaft of the motor 4 and a shaft of the machine; the central line of the shaft of the machine head 2, the central line of the shaft of the motor 4, the central line of the machine head fixing device 5 and the central line of the motor fixing device 7 are collinear; the elastic coupling comprises a coupling machine head part 8, a coupling motor part 9 and a buffer cushion 6, wherein the elastic coupling can be a lotus-shaped coupling, the buffer cushion 6 is a lotus-shaped buffer cushion, quincunx or other types can also be used as equivalent replacements, the buffer cushion 6 is installed between the coupling machine head part 8 and the coupling motor part 9, the coupling machine head part 8 is in transmission connection with the coupling motor part 9, the coupling machine head part 8 is fixedly connected with a shaft of a machine head 2 through a flat key pin, and the coupling motor part 9 is fixedly connected with a shaft of a motor 4 through a flat key pin.

In a preferred embodiment, the handpiece fixing device 5 is connected with the handpiece 2 through a bolt, a flange is arranged at one end of the handpiece fixing device 5 connected with the motor fixing device 7, flanges are arranged at two ends of the motor fixing device 7, the flange of the handpiece fixing device 5 is connected with the flange of the motor fixing device 7 close to one end of the handpiece 2 through a bolt, and the flange at the other end of the motor fixing device 7 is connected with the motor 4 through a bolt.

A plurality of observation ports can be arranged on the outer peripheral surface of the handpiece fixing device 5, for example, four observation ports can be oval or other shapes with the same shape and size, and the observation ports are used for conveniently checking the working state of the coupler during maintenance or inspection.

Since the fixing means 5 is provided with the viewing port, the rigidity thereof may be reduced as compared with the case where the viewing port is not provided, and as shown in fig. 2, a reinforcing rib may be further provided between two adjacent viewing ports to improve the rigidity of the fixing means 5.

The working principle is as follows:

when the connecting device 3 is installed between the machine head 2 and the motor 4 for the first time, the shaft of the machine head 2, the shaft of the motor 4, the center lines of the machine head fixing device 5 and the motor fixing device 7 are required to be ensured to be collinear; when in maintenance, after parts between the machine head 2 and the motor 4 are loosened and maintained, the bolt connected with the machine head fixing device 5 and the machine head 2 is screwed to be hung, the bolt connected with the motor fixing device 7 and the motor 4 is screwed to be hung, the bolt connected with the machine head fixing device 5 and the motor fixing device 7 is screwed to be hung, and finally, the bolts are gradually screwed, so that the shaft of the machine head 2, the shaft of the motor 4, the machine head fixing device 5 and the motor fixing device 7 can be restored to the state when the connecting device 3 is installed for the first time; not only makes the maintenance operation more simple and convenient, can improve the installation accuracy after the manual work is maintained moreover, has reduced the vibrations of during operation because of eccentric results, has prolonged the life of junction spare part.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (7)

1. The utility model provides an electric locomotive air compressor machine and motor coupling device, includes air compressor machine organism (1), is provided with aircraft nose (2) and motor (4) on air compressor machine organism (1), its characterized in that: the machine head (2) is in transmission connection with the motor (4) through the connecting device (3); the connecting device (3) comprises a machine head fixing device (5), a motor fixing device (7) and an elastic coupling, one end of the machine head fixing device (5) is fixedly connected with the machine head (2), the other end of the machine head fixing device (5) is fixedly connected with one end of the motor fixing device (7), the other end of the motor fixing device (7) is fixedly connected with the motor (4), the machine head fixing device (5) and the motor fixing device (7) are both hollow, two ends of the machine head fixing device (5) are communicated, the elastic coupling is located inside the machine head fixing device (5), and two ends of the elastic coupling are respectively fixedly connected with a shaft of the motor (4) and a shaft of the machine head (2); the central line of the shaft of the machine head (2), the central line of the shaft of the motor (4), the central line of the machine head fixing device (5) and the central line of the motor fixing device (7) are collinear.

2. The electric locomotive air compressor and motor coupling device of claim 1, wherein: the machine head fixing device (5) is in a circular truncated cone shape, and the motor fixing device (7) is in a cylindrical shape.

3. The electric locomotive air compressor and motor coupling device of claim 1, wherein: the machine head fixing device is characterized in that the machine head fixing device (5) is connected with the machine head (2) through bolts, one end, connected with the motor fixing device (7), of the machine head fixing device (5) is provided with a flange, the two ends of the motor fixing device (7) are also provided with flanges, the flange of the machine head fixing device (5) is connected with the flange, close to one end of the machine head (2), of the motor fixing device (7) through bolts, and the flange of the other end of the motor fixing device (7) is connected with the motor (4) through bolts.

4. The electric locomotive air compressor and motor coupling device of claim 1, wherein: a plurality of observation ports are arranged on the peripheral surface of the machine head fixing device (5).

5. The electric locomotive air compressor and motor coupling device of claim 4, wherein: the observation port is provided with four, and is the ellipse that the shape is all the same with size.

6. The electric locomotive air compressor and motor coupling device of claim 1, wherein: the elastic coupling comprises a coupling head part (8), a coupling motor part (9) and a buffer pad (6), the buffer pad (6) is installed between the coupling head part (8) and the coupling motor part (9), the coupling head part (8) is in transmission connection with the coupling motor part (9), the coupling head part (8) is fixedly connected with a shaft of the head (2) through a flat key pin, and the coupling motor part (9) is fixedly connected with a shaft of the motor (4) through a flat key pin.

7. The electric locomotive air compressor and motor coupling device of claim 6, wherein: the elastic coupling is a lotus-shaped coupling, and the buffer cushion (6) is a lotus-shaped buffer cushion.

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