CN215953793U - Monitoring device for fault diagnosis of motor of escalator - Google Patents

Abstract

The utility model relates to a monitoring device for motor fault diagnosis of a hand elevator, which comprises a driving motor and a driving shaft in power connection with the driving motor, wherein the output end of the driving motor is detachably connected with a monitoring box, the inner bottom surface of the monitoring box is fixedly connected with a torque sensor, two ends of the torque sensor are respectively connected with the driving motor and the driving shaft, the top end of the monitoring box is detachably connected with a top cover, the bottom surface of the top cover is provided with a control panel, and a temperature sensor close to a rotating shaft of the driving motor is arranged in the monitoring box. Therefore, the fault of the driving motor can be monitored more accurately.

Description

Monitoring device for fault diagnosis of motor of escalator

Technical Field

The utility model relates to the technical field of elevator maintenance, in particular to a monitoring device for fault diagnosis of a motor of a hand elevator.

Background

The escalator is composed of a ladder way and handrails at two sides. The main components of the device comprise steps, a traction chain and a chain wheel, a guide rail system, a main driving system (comprising a motor, a speed reducer, a brake, an intermediate driving link and the like) driving main shaft, a ladder way tensioning device, a handrail system, a comb plate, a ladder framework, an electric system and the like. Escalator installations are generally inclined. The steps automatically walking by the pedestrian on one end station of the escalator can be automatically taken to the other end of the escalator, and the steps can be kept horizontal all the way. Handrails which move synchronously with the steps are arranged at two sides of the escalator and are held by users.

In the prior art, the output end of a motor of a escalator is connected with a driving shaft of the escalator through a torque sensor and then drives the escalator to run through a speed changing device, so that parameters in the running process of the motor are difficult to acquire, especially heat generated by load change in the running process of the motor is difficult to quickly dissipate, shaft parts at the output end of the motor are subjected to mechanical fatigue and thermal fatigue at the same time, and the failure of power connection is easy to occur. Therefore, in order to solve the above problems, a monitoring device for diagnosing the motor fault of the escalator is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a monitoring device for motor fault diagnosis of a hand elevator, which aims to solve the problems that parameters in the motor running process are difficult to acquire, heat in the motor running process is difficult to rapidly dissipate, and power connection is easy to fail in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a monitoring devices for hand elevator motor fault diagnosis, includes driving motor and the drive shaft of being connected with driving motor power, driving motor's output can be dismantled and be connected with the monitoring case, monitoring incasement bottom surface fixedly connected with torque sensor, driving motor and drive shaft are connected respectively to torque sensor's both ends, the top of monitoring case can be dismantled and be connected with the top cap, the bottom surface of top cap is equipped with the control panel, the monitoring incasement is equipped with the temperature sensor who is close to the driving motor pivot, the air intake has all been seted up to the outer terminal surface of monitoring case both sides, the inner wall of monitoring case both sides all can be dismantled and be connected with the radiator shell that corresponds with the air intake, be equipped with the heat dissipation fan in the radiator shell, control panel electric connection driving motor, torque sensor and temperature sensor.

Preferably, the end face of the radiator shell close to the air inlet is provided with a dustproof net.

Preferably, the end faces of the two ends of the driving motor are provided with a plurality of heat dissipation holes distributed annularly, and the heat dissipation holes are communicated with the inner cavity of the driving motor.

Preferably, a plurality of annularly distributed shunting ports are formed in the inner wall of the monitoring box and communicated with the heat dissipation holes.

Preferably, the end of the driving motor far away from the monitoring box is connected and driven to have an air exhaust blade, the outer side of the air exhaust blade is provided with a heat dissipation cover detachably connected with the driving motor, and an air outlet corresponding to the heat dissipation hole is formed in the end face of one side of the heat dissipation cover far away from the driving motor.

Preferably, the top surface of top cap is equipped with the display screen, display screen and control panel electric connection.

The utility model has at least the following beneficial effects:

1. the monitoring box is adopted to accommodate the torque sensor, the control panel and the temperature sensor, the monitoring part is packaged into an integral structure, the assembly is more convenient, the output torque of the driving motor and the temperature of an output shaft are monitored in real time through the torque sensor and the temperature sensor, and meanwhile, the control panel reads the operation data of the driving motor in real time, so that the driving motor is more accurately monitored for faults;

2. the utility model adopts the radiator shell to contain the heat radiation fan, the structure of the monitoring box interior comprises the output shaft of the driving motor, the torque sensor and the driving shaft to be rapidly cooled through the heat radiation fans at the two sides of the monitoring box, meanwhile, the dust screen is used for filtering and dedusting the air entering the monitoring box, and the cold air introduced into the monitoring box by the heat radiation fans penetrates through the driving motor through the shunting port and the heat radiation holes and is matched with the air exhaust blades to further exhaust air, thereby accelerating the heat radiation of the driving motor, improving the heat radiation efficiency and ensuring the reliable operation of the driving motor.

Drawings

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

FIG. 2 is an exploded schematic view of the present invention;

fig. 3 is a front sectional structural view of the present invention.

In the reference symbols: 1. a drive motor; 2. a monitoring box; 3. a heat dissipation cover; 4. a torque sensor; 5. a drive shaft; 6. a top cover; 7. a control panel; 8. a temperature sensor; 9. a radiator casing; 10. a heat dissipation fan; 11. a dust screen; 12. an air inlet; 13. a shunt port; 14. heat dissipation holes; 15. an air outlet; 16. an air exhaust blade; 17. a display screen.

Detailed Description

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

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a monitoring device for motor fault diagnosis of a hand elevator comprises a driving motor 1 and a driving shaft 5 in power connection with the driving motor 1, wherein the output end of the driving motor 1 is detachably connected with a monitoring box 2, the inner bottom surface of the monitoring box 2 is fixedly connected with a torque sensor 4, concretely, the bottom end of the torque sensor 4 is connected with the inner bottom surface of the monitoring box 2 through a bolt, two ends of the torque sensor 4 are respectively connected with the driving motor 1 and the driving shaft 5, concretely, shafts on two sides of the torque sensor 4 are respectively connected with one ends, extending into the monitoring box 2, of the driving motor 1 and the driving shaft 5 through a coupler, the top end of the monitoring box 2 is detachably connected with a top cover 6, the bottom surface of the top cover 6 is provided with a control board 7, a temperature sensor 8 close to the rotating shaft of the driving motor 1 is arranged in the monitoring box 2, concretely, the probe end of the temperature sensor 8 is close to the rotating shaft of the driving motor 1, and temperature sensor 8 is fixedly installed on the inner wall of monitoring box 2 or the end of driving motor 1 extending into monitoring box 2, air inlet 12 is provided on the outer end face of both sides of monitoring box 2, the inner wall of both sides of monitoring box 2 can be detachably connected with radiator shell 9 corresponding to air inlet 12, concretely, radiator shell 9 is connected with the inner wall of monitoring box 2 through bolt, radiator fan 10 is provided in radiator shell 9, control panel 7 is electrically connected with driving motor 1, torque sensor 4 and temperature sensor 8, concretely, control panel 7 is also electrically connected with the sensor carried by driving motor 1, the sensor carried by driving motor 1 has coil temperature sensor and speed sensor, torque sensor 4, control panel 7 and temperature sensor 8 can be accommodated by monitoring box 2, the monitoring part is packaged into an integral structure, and assembly is more convenient, and then the output torque and the output torque of driving motor 1 and the output torque of driving motor 1 can be monitored in real time through torque sensor 4 and temperature sensor 8 The temperature of play axle to by control panel 7 real-time reading driving motor 1's operational data, thereby carry out more accurate fault monitoring to driving motor 1, and can carry out rapid cooling through the heat dissipation fan 10 of monitoring case 2 both sides to driving motor 1's output, guarantee driving motor 1's normal operating.

The dust screen 11 is accommodated on the end face of the radiator shell 9 close to the air inlet 12, specifically, a counter bore for clamping the dust screen 11 is formed on the end face of one side of the radiator shell 9, and then the radiator shell 9 is matched with the monitoring box 2 to clamp the dust screen 11, and then the dust screen 11 is used for filtering and removing dust of air entering the monitoring box 2.

Wherein, the terminal surface at driving motor 1 both ends all sets up the louvre 14 that a plurality of annular distributes, louvre 14 and driving motor 1's inner chamber intercommunication, can be through the louvre 14 that sets up, more be favorable to driving motor 1 inside thermal discharge.

Wherein, a plurality of annular distribution's diffluence pass 13 is seted up to the inner wall of monitoring case 2, diffluence pass 13 and louvre 14 intercommunication, can be through the direction of diffluence pass 13 and louvre 14, and driving motor 1 is run through by diffluence pass 13 and louvre 14 to the cold air that cooling fan 10 introduced in monitoring case 2 for driving motor 1's heat dissipation improves the radiating efficiency.

Wherein, one end that monitoring case 2 was kept away from to driving motor 1 is connected and the drive has exhaust blade 16, specifically, exhaust blade 16 installs at driving motor 1's non-drive end, exhaust blade 16's the outside be equipped with driving motor 1 can dismantle the radiator shroud 3 of being connected, radiator shroud 3 keeps away from a side end face of driving motor 1 and offers the air exit 15 that corresponds with louvre 14, can be through driving motor 1 drive exhaust blade 16, and then accelerate the inside circulation of air of driving motor 1 by exhaust blade 16, the heat dissipation is faster.

Wherein, the top surface of top cap 6 is equipped with display screen 17, and display screen 17 and control panel 7 electric connection can make things convenient for the more audio-visual operation of looking over driving motor 1 of maintainer through display screen 17.

The working principle is as follows:

when the device is used, the driving shaft 5 is connected with subsequent action components of the escalator, the escalator is driven to operate by the driving motor 1, the output torque and the temperature of an output shaft of the driving motor 1 are monitored in real time through the torque sensor 4 and the temperature sensor 8 in the operation process of the driving motor 1, and the operation data (including current, voltage, internal temperature and rotating speed of a rotating shaft) of the driving motor 1 are read in real time through the control panel 7, so that the driving motor 1 is subjected to more accurate fault monitoring, and a maintainer can more visually check the operation of the driving motor 1 through the display screen 17.

In addition, when the temperature detected in the driving motor 1 and the monitoring box 2 is too high, the heat dissipation fan 10 works, external air is filtered by the dust screen 11 and then is introduced into the monitoring box 2, the output shaft of the driving motor 1 and the torque sensor 4 are cooled, and meanwhile, under the action of the exhaust blades 16, cold air penetrates through the inner cavity of the driving motor 1 through the flow dividing port 13 and the heat dissipation holes 14, so that the heat dissipation of the driving motor 1 is accelerated, the heat dissipation efficiency is improved, and the reliable operation of the driving motor 1 is ensured.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)

1. A monitoring device for motor fault diagnosis of a hand elevator comprises a driving motor (1) and a driving shaft (5) in power connection with the driving motor (1), and is characterized in that the output end of the driving motor (1) is detachably connected with a monitoring box (2), a torque sensor (4) is fixedly connected to the inner bottom surface of the monitoring box (2), two ends of the torque sensor (4) are respectively connected with the driving motor (1) and the driving shaft (5), the top end of the monitoring box (2) is detachably connected with a top cover (6), the bottom surface of the top cover (6) is provided with a control panel (7), a temperature sensor (8) close to the rotating shaft of the driving motor (1) is arranged in the monitoring box (2), air inlets (12) are formed in the outer end surfaces of two sides of the monitoring box (2), and heat radiator shells (9) corresponding to the air inlets (12) are detachably connected to the inner walls of two sides of the monitoring box (2), be equipped with heat dissipation fan (10) in radiator shell (9), control panel (7) electric connection driving motor (1), torque sensor (4) and temperature sensor (8).

2. The monitoring device for motor fault diagnosis of escalator according to claim 1, characterized in that: the end face of the radiator shell (9) close to the air inlet (12) is provided with a dust screen (11).

3. The monitoring device for motor fault diagnosis of escalator according to claim 1, characterized in that: the end faces of two ends of the driving motor (1) are provided with a plurality of heat dissipation holes (14) distributed in an annular mode, and the heat dissipation holes (14) are communicated with an inner cavity of the driving motor (1).

4. A monitoring device for escalator motor fault diagnosis according to claim 3, characterized by: the inner wall of the monitoring box (2) is provided with a plurality of annularly distributed branch flow ports (13), and the branch flow ports (13) are communicated with the heat dissipation holes (14).

5. The monitoring device for motor fault diagnosis of escalator according to claim 4, characterized in that: one end of the driving motor (1) far away from the monitoring box (2) is connected with and drives the exhaust blade (16), the outer side of the exhaust blade (16) is provided with a heat dissipation cover (3) detachably connected with the driving motor (1), and the heat dissipation cover (3) is provided with an air outlet (15) corresponding to the heat dissipation hole (14).

6. The monitoring device for motor fault diagnosis of escalator according to claim 1, characterized in that: the top surface of top cap (6) is equipped with display screen (17), display screen (17) and control panel (7) electric connection.

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