CN215997498U

CN215997498U - Vibrating screen with screen shaft work abnormity alarm monitoring system

Info

Publication number: CN215997498U
Application number: CN202122673281.5U
Authority: CN
Inventors: 贾建超; 牛永彬; 郭建军
Original assignee: Taggart Tianjin Industrial Technology Co ltd
Current assignee: Taggart Tianjin Industrial Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-11
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a shale shaker with sieve axle work abnormity warning monitoring system, including vibration transmitter, temperature transmitter, vibration transmitter, temperature transmitter install move the sieve axle move the mounting hole that forms on the bearing frame of sieve axle, the axial direction of mounting hole with move the sieve axle and move the axis of sieve axle and arrange perpendicularly, the bearing frame in have a bearing, the bearing is used for being connected with the shale shaker hub connection. The utility model discloses a shale shaker with unusual alarm monitoring system of sieve axle work, through setting up vibration transmitter, temperature transmitter, vibration transmitter, temperature transmitter install move the sieve axle move the mounting hole that forms on the bearing frame of sieve axle, the axial direction of mounting hole with move the sieve axle and move the axis of sieve axle and move the sieve axle and arrange perpendicularly, can conveniently be to the shale shaker that has unusual alarm monitoring system of sieve axle work, effectively monitor if temperature and vibration condition, have important realistic meaning.

Description

Vibrating screen with screen shaft work abnormity alarm monitoring system

Technical Field

The utility model relates to a shale shaker axle monitoring technology field especially relates to a shale shaker with sieve axle unusual alarm monitoring system of work.

Background

For high-power vibrating screens, screening equipment of coal preparation plants mainly depends on inlets. Some large vibrating screens have a phenomenon that the screen shaft is broken after being used for several years. In order to find out abnormality in time, prevent that the screen shaft of shale shaker from breaking and overhauling and bring loss to production, can remind the user in time to maintain equipment in order to reach extension equipment life simultaneously, it is necessary to develop a shale shaker shaft work monitoring system.

In addition, the vibrating screen is in an unstable operation state in the parking process, and mechanical stress imbalance is caused by long-time unstable parking operation, so that the screen side of the vibrating screen is broken finally. At present, the braking mode for solving the problem is mainly to adopt reverse connection braking-when the vibrating screen is stopped, reverse torque is generated after the wiring phase change of a motor, and the purpose of quick braking and stopping is achieved. However, the reverse braking has large braking torque, strong braking impact force and large damage to the motor and the vibration exciter, and although a certain braking effect is achieved, the service life of the motor and the vibration exciter can be influenced after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shale shaker with sieve axle work anomaly alarm monitoring system to the technical defect who exists among the prior art.

For realizing the utility model discloses a technical scheme that the purpose adopted is:

the utility model provides a shale shaker with sieve axle work abnormity warning monitoring system, includes vibration transmitter, temperature transmitter, vibration transmitter, temperature transmitter install move sieve axle move the mounting hole that forms on the bearing frame of sieve axle, the axial direction of mounting hole with move sieve axle and move the axis of sieve axle and arrange perpendicularly, the bearing frame in have a bearing, the bearing is used for being connected with the shale shaker axle.

The mounting hole is an internal thread hole and extends to the inner surface of the bearing seat to form a through hole.

Wherein, the temperature transmitter adopts a PT100 temperature transmitter.

The vibration transmitter is an integrated vibration transmitter.

The vibration transmitter and the temperature transmitter are connected with the Programmable Logic Controller (PLC).

The utility model discloses a shale shaker with unusual alarm monitoring system of sieve axle work, through setting up vibration transmitter, temperature transmitter, vibration transmitter, temperature transmitter install move the sieve axle move the mounting hole that forms on the bearing frame of sieve axle, the axial direction of mounting hole with move the sieve axle and move the axis of sieve axle and move the sieve axle and arrange perpendicularly, can conveniently be to the shale shaker that has unusual alarm monitoring system of sieve axle work, effectively monitor if temperature and vibration condition, have important realistic meaning.

The vibrating screen with the screen shaft work abnormity alarm monitoring system further comprises a vibrating motor, the vibrating motor is connected with a variable frequency controller, and the variable frequency controller is connected with an operation stop switch and a fault reset button.

Additionally, the utility model discloses on the basis that does not change original shale shaker electrical system, through introducing the frequency conversion control technique, realize stablizing and smoothly controlling the shale shaker and shut down. Has the advantages of convenient operation, simple wiring, prolonged service life and the like.

Drawings

Fig. 1 is an installation schematic diagram of the vibration transmitter and the temperature transmitter of the present invention.

Fig. 2 is the schematic diagram of the vibrating screen with the system for monitoring the abnormal operation of the screen shaft.

Fig. 3 is the installation schematic diagram of the integrated vibration transmitter of the present invention.

Fig. 4 is a schematic wiring diagram of the vibration motor of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, the utility model discloses a shale shaker with sieve axle work abnormity alarm monitoring system, including vibrating transmitter 3, temperature transmitter 4, vibrating transmitter, temperature transmitter install move sieve axle move the mounting hole that sieve axle formed on the bearing frame 1 of sieve axle, the axial direction of mounting hole with move sieve axle and move the axis of sieve axle and arrange perpendicularly, wherein, the bearing frame in have bearing 2, bearing 2 is used for being connected with the shale shaker hub connection.

The mounting hole can be an internal threaded hole, and extends to the inner surface of the bearing seat to form a through hole, and the temperature transmitter 4 is in threaded connection with the mounting hole through the external threaded part of the temperature transmitter, as shown in fig. 1.

Wherein, the temperature transmitter 4 adopts PT100 temperature transmitter (thermal resistor).

Wherein, vibration transmitter 2 adopts integration vibration transmitter, and its bottom is provided with the screw hole, disposes stud 5. During installation, the bottom of the transmitter can be fixed at a mounting hole of a measured point of the bearing seat by using a double-headed screw M10 multiplied by 1.5 multiplied by 8, and then the transmitter is screwed on the mounting hole, as shown in figure 1 and figure 3, or the main body of the vibration transmitter 2 can be directly inserted into the mounting hole and then fixed.

The vibration transmitter and the temperature transmitter are connected with the Programmable Logic Controller (PLC), or can be connected with corresponding secondary display instruments to display data.

As an optional embodiment, power lines of the vibration transmitter 3 and the temperature transmitter 4 are connected to a power module, the power module supplies power for working, and is connected to a Programmable Logic Controller (PLC) through a data line, and the Programmable Logic Controller (PLC) may be connected to an alarm device, such as a buzzer, to perform sound alarm.

The embodiment of the utility model provides an on the basis that does not change original shale shaker electrical system, introduce integration vibration transmitter, like CZ891 and PT100 temperature transmitter, to the uneven centering of casing vibration, axle bush vibration, rotor, parts are not hard up, ball bearing damages, gear damage, lack of oil, temperature anomaly scheduling problem can in time realize reporting to the police and monitoring through secondary instrument or programmable controller PLC.

The integrated vibration transmitter integrates a vibration sensor and a signal regulating circuit, can directly convert vibration signals acquired on site into 4-20mA current signals to be output, and output signals can be directly transmitted to a Programmable Logic Controller (PLC) or displayed by a Distributed Control System (DCS) monitor, an acquisition device, a recorder or other monitoring equipment. The parameters are as follows:

supply voltage: 18 Vdc-36 Vdc (two-wire loop power supply, directly connected to signal input port of control equipment)

Measuring range: 0 to 100mm/s (velocity/vibration intensity) or 0 to 1000um (displacement/vibration amplitude)

And (3) outputting: two-wire output 4 to 20mA (maximum load 500 omega)

Frequency response: unidirectional (vertical, horizontal) 5 Hz-2 OOOhz (3db)

Any direction (general purpose) 10 Hz-2 OOOHz (3db)

Precision: < 1.5%, resolution: 0.2% temperature drift: 0.1%/. deg.C

Measuring direction: in any direction

The wiring mode is as follows: two-wire system

Operating temperature: -20 ℃ to 80 DEG C

The external dimension is as follows: phi 30 x 70mm

The PT100 thermal resistor is an integrated temperature transmitter (0-100 ℃) and transmits 4-20MA output main technical parameters as follows:

1. outputting a signal: 4-20 mA.DC or 1-5 V.DC, and a load resistance of 250 omega.

2. The accuracy is shown in the table below.

3. Power supply voltage: 24V.DC +/-10%

4. Explosion-proof sign: dii BT4 and dii CT4

5. Protection grade: IP 65.

The utility model discloses on the basis that does not change original shale shaker electrical system, through introducing vibration changer and temperature transmitter, realize real-time on-line monitoring of shale shaker axle operating condition. The maintenance and the maintenance of the equipment can be prompted in time, and the device has the advantages of convenience in operation, simplicity in wiring, long service life and the like.

Shale shaker with sieve axle work abnormity alarm monitoring system still includes vibrating motor 7, vibrating motor is connected with frequency conversion controller 6, frequency conversion controller passes through RUN end connection operation stop switch 8 and through RET termination fault reset button 9, frequency conversion controller pass through the power connection end and be connected with ac contactor 10 electricity, ac contactor 10 is connected with circuit breaker 11, and circuit breaker 11 connects three phase current.

Additionally, the utility model discloses on the basis that does not change original shale shaker electrical system, introduce the frequency conversion control technique, realize stably controlling the shale shaker through the down time of adjusting the converter and shut down smoothly, avoid unstable parking operation to lead to mechanical stress unbalanced, finally cause the cracked problem of shale shaker side.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The vibrating screen with the screen shaft work abnormity alarm monitoring system is characterized by comprising a vibrating transmitter and a temperature transmitter, wherein the vibrating transmitter and the temperature transmitter are arranged in a mounting hole formed in a bearing seat of a movable screen shaft, the axial direction of the mounting hole is perpendicular to the axis of the movable screen shaft, and a bearing is arranged in the bearing seat and is used for being connected with the vibrating screen shaft.

2. The vibratory screen with a screen shaft work abnormality alarm monitoring system as set forth in claim 1 wherein said mounting hole is an internally threaded hole and extends into an inner surface of said bearing housing to form a through hole.

3. The vibrating screen with the warning and monitoring system for the abnormal operation of the screen shaft as claimed in claim 1, wherein the temperature transmitter is a PT100 temperature transmitter.

4. The vibrating screen with the system for alarming and monitoring the abnormal operation of the screen shaft as claimed in claim 1, wherein the vibrating transmitter is an integrated vibrating transmitter.

5. The vibrating screen with the screen shaft working abnormity alarm monitoring system as recited in claim 1, wherein the vibrating transmitter and the temperature transmitter are connected with a Programmable Logic Controller (PLC).

6. The vibrating screen with the system for alarming and monitoring the abnormal operation of the screen shaft as claimed in claim 1, wherein the bottom of the vibrating transmitter is provided with a threaded hole, and a stud screw is arranged on the threaded hole and used for fixing the transmitter at a mounting hole of a measured point of a bearing seat.

7. The vibrating screen with the system for alarming and monitoring the abnormal operation of the screen shaft as claimed in claim 1, further comprising a vibrating motor, wherein the vibrating motor is connected with a variable frequency controller, and the variable frequency controller is connected with an operation stop switch and a fault reset button.