CN215952758U

CN215952758U - Online monitoring device for motor of screw compressor

Info

Publication number: CN215952758U
Application number: CN202122283994.0U
Authority: CN
Inventors: 陆正
Original assignee: Shanghai Screw Compressor Co Ltd
Current assignee: Shanghai Screw Compressor Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-04
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an online monitoring device for a screw compressor motor, which comprises a controller, a wireless receiver, a vibration inductor main body, an auxiliary mechanism, a wiring port and an alarm.

Description

Online monitoring device for motor of screw compressor

Technical Field

The utility model relates to the related field of monitoring devices, in particular to an online monitoring device for a screw compressor motor.

Background

The screw compressor is also called a screw compressor and is divided into a single screw compressor and a double screw compressor, the single screw compressor is developed by france in the 70 s, and the technology is always relatively independent and the screw compressor needs to be driven by a motor when in use because the single screw compressor is more reasonable in structure, is rapidly applied to the field of national defense and is protected by developed countries.

When the motor works, the bearing can be driven to vibrate, if the vibration amplitude of the bearing is too large, the motor is indicated to have a fault, at the moment, the motor needs to be maintained, the motor is detected manually in general conditions, the manual detection mode not only increases the workload, but also causes the situation of untimely detection easily, and inconvenience is brought to work.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides an online monitoring device for a motor of a screw compressor.

The utility model is realized in such a way, the screw compressor motor on-line monitoring device is constructed, the device comprises a controller, a wireless receiver and a wiring port, the controller is arranged on the rear end face of a vibration inductor main body, an alarm is embedded in the top of the rear end face of the controller, the wireless receiver is arranged at the rear end of the outer side of the vibration inductor main body, the wiring port is embedded in the side surface of the controller, an auxiliary mechanism is arranged on the outer side of the wiring port, the auxiliary mechanism comprises a fixed ring, a threaded ring, an opening, a threaded sleeve, a raised line, an installation plate, a positioning groove and a fixing bolt, the fixed ring is arranged on the side surface of the controller, the inner ring of the fixed ring covers the outer side of the wiring port, the threaded ring is arranged on the right end face of the fixed ring, the opening is arranged on the right end face of the threaded ring, the inner ring of the threaded sleeve is in threaded fit with the side surface of the threaded ring, the raised line is arranged at the right end of the inner side of the threaded ring, the mounting plate is characterized in that a positioning groove is formed in the middle of the rear end face of the mounting plate, the inner ring of the positioning groove is tightly attached to the front end of the outer side of the vibration sensor body, the fixing bolt penetrates through the side surface of the mounting plate, and the fixing bolt is in threaded fit with the inner side of a screw hole formed in the front end of the outer side of the vibration sensor body.

Preferably, the threaded ring is of a tapered circular truncated cone structure from left to right, and the inner diameter of the right side of the threaded ring is larger than the outer diameter of the wiring port.

Preferably, the opening is provided with more than two right end faces of the threaded ring at equal intervals.

Preferably, the raised strips are provided with more than two right end surfaces on the inner side of the threaded ring, and the number and the positions of the raised strips correspond to the openings.

Preferably, the outer diameter of the fixing ring is larger than the inner diameter of the threaded sleeve.

Preferably, the fixing bolts are arranged on the outer side of the mounting plate, and four matched screw holes are formed in the front end of the outer side of the vibration sensor main body.

Preferably, four threaded holes are formed in the rear end face of the mounting plate and are respectively located at four ends of the rear end face of the mounting plate.

The utility model has the following advantages: the utility model provides an online monitoring device for a screw compressor motor through improvement, which has the following improvement compared with the same type of equipment:

according to the online monitoring device for the motor of the screw compressor, the vibration sensor body is arranged on the mounting plate, the mounting plate is fixedly mounted at a proper position on the motor, the wireless receiver is wirelessly connected to the external monitoring background, then the vibration condition of the motor is monitored in real time by the vibration sensor body, when the vibration value of the motor is monitored to be larger than a preset value, the wireless receiver can transmit a signal to the background to remind a worker, the alarm can further remind the worker, the vibration condition of the motor of the screw compressor can be automatically monitored in real time, the workload of the worker is reduced, faults can be found out in time and maintenance is facilitated, and the online monitoring device brings convenience to work.

Drawings

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

FIG. 2 is a schematic diagram of a structure of the vibration sensor of the present invention viewed from the right;

FIG. 3 is a schematic view of the auxiliary mechanism of the present invention;

FIG. 4 is a schematic diagram of the right side view of the threaded ring of the present invention;

fig. 5 is a schematic view of the mounting plate structure of the present invention.

Wherein: the device comprises a controller-1, a wireless receiver-2, a vibration sensor body-3, an auxiliary mechanism-4, a wiring port-5, an alarm-6, a fixing ring-41, a threaded ring-42, an opening-43, a threaded sleeve-44, a raised line-45, a mounting plate-46, a positioning groove-47 and a fixing bolt-48.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model is realized in such a way, a screw compressor motor online monitoring device is constructed, the device comprises a controller 1, a wireless receiver 2 and a wiring port 5, the controller 1 is arranged on the rear end face of a vibration inductor main body 3, an alarm 6 is embedded in the top of the rear end face of the controller 1, the wireless receiver 2 is arranged at the rear end of the outer side of the vibration inductor main body 3, the wiring port 5 is embedded in the side surface of the controller 1, an auxiliary mechanism 4 is arranged on the outer side of the wiring port 5, the auxiliary mechanism 4 comprises a fixed ring 41, a threaded ring 42, an opening 43, a threaded sleeve 44, a convex strip 45, a mounting plate 46, a positioning groove 47 and a fixing bolt 48, the fixed ring 41 is arranged on the side surface of the controller 1, the inner ring of the fixed ring 41 covers the outer side of the wiring port 5, the threaded ring 42 is arranged on the right end face of the fixed ring 41, the opening 43 is arranged on the right end face of the threaded ring 42, the inner ring 44 of the threaded sleeve is in threaded fit with the side face of the threaded ring 42, the convex strip 45 is arranged at the right end of the inner side of the threaded ring 42, a positioning groove 47 is formed in the middle of the rear end face of the mounting plate 46, the inner ring of the positioning groove 47 is tightly attached to the front end of the outer side of the vibration inductor main body 3, the fixing bolt 48 penetrates through the side surface of the mounting plate 46, and the fixing bolt 48 is in threaded fit with the inner side of a screw hole formed in the front end of the outer side of the vibration inductor main body 3.

Further, the threaded ring 42 is a tapered circular truncated cone structure from left to right, and the inner diameter of the right side of the threaded ring 42 is larger than the outer diameter of the wiring port 5, so that an external connecting wire can be conveniently connected to the wiring port 5 after passing through the threaded ring 42.

Furthermore, more than two openings 43 are arranged at equal intervals on the right end face of the threaded ring 42, so that the right end of the outer side of the threaded ring 42 can be conveniently contracted to clamp and fix the external connecting wire.

Further, the raised strips 45 are provided with more than two right end faces on the inner side of the threaded ring 42, and the number and the positions of the raised strips 45 correspond to the openings 43, so that the raised bodies 45 can be conveniently inwards contracted to clamp and fix the external connecting wire.

Further, the outer diameter of the fixing ring 41 is larger than the inner diameter of the threaded sleeve 44, so that the threaded sleeve 44 can drive the threaded ring 41 to contract inwards in the rotating process.

Further, the fixing bolts 48 are arranged on the outer side of the mounting plate 46, and four screw holes matched with each other are formed in the front end of the outer side of the vibration sensor main body 3, so that the vibration sensor 3 is stably mounted on the inner side of the positioning groove 47.

Furthermore, four threaded holes are formed in the rear end face of the mounting plate 46, and the four threaded holes are respectively located at four ends of the rear end face of the mounting plate 46, so that the mounting plate 46 can be conveniently and fixedly mounted on an external motor through the four threaded holes.

The utility model provides an online monitoring device for a screw compressor motor through improvement, which has the following working principle;

firstly, selecting a corresponding mounting plate 46 according to the shape and size of a motor mounting point, wherein the shape of the front end surface of the mounting plate 46 needs to be matched with the motor mounting point;

secondly, the vibration sensor main body 3 is stably placed in the positioning groove 47, and then the fixing bolt 48 is rotated, so that the fixing bolt 48 penetrates through the side surface of the mounting plate 46 and then enters a threaded hole formed in the outer side of the vibration sensor main body 3, and at the moment, the vibration sensor main body 3 is fixedly mounted in the positioning groove 47;

thirdly, an external power line connector penetrates through the threaded ring 42 and the fixing ring 41 and then is connected to the wiring port 5, the threaded sleeve 44 is rotated, the threaded sleeve 44 moves along the threaded ring 42 in the rotating process, the threaded sleeve 44 applies pressure to the threaded ring 42 to drive the threaded ring 42 to contract inwards, and therefore the threaded ring 42 drives the convex strip 45 to contract inwards to clamp and fix the external power supply wiring;

fourthly, then through with mounting panel 46 fixed mounting in the suitable position department on waiting to monitor the motor, and with wireless receiver 2 wireless connection on outside control backstage, accessible controller 1 sets up the monitoring maximum range value of vibrations inductor main part 3 simultaneously, then carry out real-time supervision to the vibration condition of motor by vibrations inductor body 3, accessible wireless receiver 2 reminds the staff with signal transmission on the backstage when monitoring motor vibration value and being greater than preset value, can further remind through siren 6.

The utility model provides an on-line monitoring device for a screw compressor motor through improvement, a mounting plate 46 is fixedly arranged at a proper position on the motor to be monitored, a wireless receiver 2 is wirelessly connected to an external monitoring background, meanwhile, a monitoring maximum range value of a vibration sensor main body 3 can be set through a controller 1, then the vibration condition of the motor is monitored in real time through the vibration sensor main body 3, when the vibration value of the motor is monitored to be larger than a preset value, a signal can be transmitted to the background through the wireless receiver 2 to remind a worker, the vibration condition of the screw compressor motor can be automatically monitored in real time through an alarm 6, the workload of the worker is reduced, the fault can be found out in time and maintenance can be carried out conveniently, and the beneficial effect of convenience is brought to the work.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a helical-lobe compressor motor on-line monitoring device which characterized in that: the structure of the wireless sensor comprises a controller (1), a wireless receiver (2) and a wiring port (5), wherein the controller (1) is installed on the rear end face of a vibration sensor body (3), an alarm (6) is embedded into the top of the rear end face of the controller (1), the wireless receiver (2) is installed at the rear end of the outer side of the vibration sensor body (3), the wiring port (5) is embedded into the side surface of the controller (1), an auxiliary mechanism (4) is arranged on the outer side of the wiring port (5), the auxiliary mechanism (4) comprises a fixing ring (41), a threaded ring (42), an opening (43), a threaded sleeve (44), a convex strip (45), a mounting plate (46), a positioning groove (47) and a fixing bolt (48), the fixing ring (41) is installed on the side surface of the controller (1), the inner ring of the fixing ring (41) covers the outer side of the wiring port (5), the threaded ring (42) is arranged on the right end face of the fixing ring (41), opening (43) are seted up in screw ring (42) right-hand member face, thread bush (44) inner circle and screw ring (42) side surface screw-thread fit, sand grip (45) set up in screw ring (42) inboard right-hand member, constant head tank (47) have been seted up at mounting panel (46) rear end face middle part, constant head tank (47) inner circle is hugged closely in vibration inductor main part (3) outside front end, fixing bolt (48) run through in mounting panel (46) side surface, and the inboard screw-thread fit of screw that fixing bolt (48) and vibration inductor main part (3) outside front end were seted up.

2. The screw compressor motor on-line monitoring device of claim 1, characterized in that: the threaded ring (42) is of a tapered round table structure from left to right, and the inner diameter of the right side of the threaded ring (42) is larger than the outer diameter of the wiring port (5).

3. The screw compressor motor on-line monitoring device of claim 1, characterized in that: the openings (43) are provided with more than two right end faces of the threaded rings (42) at equal intervals.

4. The screw compressor motor on-line monitoring device of claim 1, characterized in that: the convex strips (45) are arranged on the right end face of the inner side of the threaded ring (42) in more than two ways, and the number and the positions of the convex strips (45) correspond to the openings (43).

5. The screw compressor motor on-line monitoring device of claim 1, characterized in that: the outer diameter of the fixing ring (41) is larger than the inner diameter of the threaded sleeve (44).

6. The screw compressor motor on-line monitoring device of claim 1, characterized in that: the fixing bolts (48) are arranged on the outer side of the mounting plate (46), and four matched screw holes are formed in the front end of the outer side of the vibration sensor main body (3).

7. The screw compressor motor on-line monitoring device of claim 1, characterized in that: four threaded holes are formed in the rear end face of the mounting plate (46), and the four threaded holes are respectively located at four ends of the rear end face of the mounting plate (46).