CN215709271U

CN215709271U - Bucket elevator with protection function

Info

Publication number: CN215709271U
Application number: CN202122151192.4U
Authority: CN
Inventors: 穆云龙; 徐淑晓; 王忠杰
Original assignee: Haihui Group Co ltd
Current assignee: Haihui Group Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to a bucket elevator with a comprehensive protection function, and belongs to the technical field of material elevators. Bucket elevator includes the support frame, the top of support frame is provided with the initiative running roller, and the bottom is provided with driven running roller, bucket elevator is equipped with the hopper chain and walks around initiative running roller and driven running roller, the lower part left side of support frame is provided with the feed inlet, the top right side of support frame is provided with the discharge gate, the top of support frame is provided with driving motor, the drive shaft that is equipped with of initiative running roller, the drive shaft passes through the driving chain and is connected with driving motor, be connected with torque sensor in the drive shaft, torque sensor electric connection bucket elevator's control module group to dispose audible-visual annunciator. The bucket elevator designed by the utility model can perform sound and light alarm, start protection and warning when the bucket elevator is in failure and is shut down.

Description

Bucket elevator with protection function

Technical Field

The utility model relates to the technical field of material elevators, in particular to a bucket elevator with a protection function.

Background

The hopper elevator is widely applied to the field of material lifting and conveying, and has the advantages of large conveying capacity, high lifting height, stable and reliable operation, long service life and the like. The problem such as the sprocket card can take place for reasons such as material drops in the hopper lifting machine working process, makes the sprocket can not normal operating, can cause the damage to the driving motor who is connected with it simultaneously, directly makes the motor burn even, influences going on of production activity.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model designs a bucket elevator with a protection function, which can give an alarm when the elevator fails to operate normally, control the elevator to stop and protect the electric unit of the elevator.

The technical scheme adopted by the utility model is as follows: bucket elevator includes the support frame, the top of support frame is provided with the initiative running roller, and the bottom is provided with driven running roller, bucket elevator is equipped with the hopper chain and walks around initiative running roller and driven running roller, the support frame prolongs the hopper chain and is provided with the hopper operation passageway that is enclosed by the casing, the width of hopper operation passageway is the same with the width of the hopper on the hopper chain, and wherein the bottom of left hopper operation passageway is provided with the feed inlet, and the top of the hopper operation passageway on right side is provided with the discharge gate, the top of support frame is provided with driving motor, the initiative running roller is connected with the drive shaft, the drive shaft passes through the driving chain and is connected with driving motor, be connected with torque sensor in the drive shaft, torque sensor electric connection bucket elevator's control module to dispose audible-visual annunciator. The control module is provided with a PLC (programmable logic controller) for automatically controlling the starting and stopping of the driving motor, the torque sensor monitors the torque value of the driving shaft in real time, when the torque value is smaller than the minimum value of the preset torque of the system, the phenomenon that a chain falls off or a bucket falls off is shown for the elevator, the elevator gives an alarm and stops, and an operator is prompted to maintain in time. When the torque value is larger than the maximum value of the preset torque of the system, the elevator is blocked, stops in time, and gives out sound and light alarm at the same time.

Furthermore, the rotating shaft of the driven roller is connected with a speed sensor, and the speed sensor is also electrically connected with a control module of the bucket elevator and is provided with a corresponding alarm indicator lamp. The elevator runs, the driven roller rotates to drive the detection piece of the speed sensor to rotate, the speed sensor detects signals, when the signals of the speed sensor are lost, the elevator stops rotating, a phenomenon that a chain falls off or blocks rotating is caused, the elevator is stopped in time, and an audible and visual alarm is sent out.

Furthermore, a feeding hopper is arranged at the feeding port of the bucket elevator, an opening on the inner side of the feeding hopper is in butt joint with the hopper chain, and the opening width of the feeding hopper is the same as the width of the hopper on the hopper chain. The feeding bin hopper is used for feeding materials, and the materials are taken away by the hopper through an opening of the feeding bin hopper.

Further, be provided with level sensor in the feed bin hopper, level sensor also electric connection bucket elevator's control module group to dispose corresponding warning light. When too much feeding occurs or the elevator is abnormal in conveying, the material can be accumulated to the position of the material level sensor, the material level sensor sends out a signal, the machine is stopped in time, and an acousto-optic alarm is sent out.

Furthermore, a circuit of the driving motor is connected with a thermal relay for detecting the running current value. The thermal relay is used for detecting the running current value of the driving motor and protecting the driving motor from being stopped in time to avoid burning when the elevator is abnormal.

Compared with the prior art, the bucket elevator with the protection function, which is designed by the utility model, has the advantages that: the bucket elevator is provided with three online real-time monitoring devices of a torque sensor, a speed sensor and a material level sensor, the operation condition of the elevator is monitored in real time, abnormal conditions such as blockage, chain dropping, chain breakage, feed accumulation and the like in the working process of the elevator are detected and fed back in real time, the driving motor is controlled to stop and send out sound and light alarm, the operation of the elevator can be effectively protected, and operators are reminded of timely inspection and maintenance.

Drawings

FIG. 1 is a schematic structural diagram of a bucket elevator with a protection function

In the figure, 1 supporting frame, 2 driving rollers, 3 driven rollers, 4 driving motors, 5 hopper chains, 6 machine shells, 7 feed inlets, 8 discharge outlets, 9 control modules, 11 torque sensors, 12 speed sensors, 13 material level sensors, 21 driving shafts, 51 hoppers and 91 alarm lamps

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments. The technical solutions in the embodiments of the present invention are clearly and completely described, and the described embodiments are only some embodiments, but not all embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, the utility model discloses an embodiment of a bucket elevator with a protection function, in this embodiment, the bucket elevator with the protection function includes a support frame 1, a driving roller 2 is fixedly connected to the top of the support frame 1 through a bearing, a driven roller 3 is fixedly connected to the bottom of the support frame through a bearing, and the driving roller 2 and the driven roller 3 are located in the same vertical direction. The bucket elevator is provided with a bucket chain 5 which bypasses the driving roller 2 and the driven roller 3.

The outside cladding of support frame 1 has casing 6, and casing 6 prolongs hopper chain 5 and encloses into hopper operation passageway, and the width of hopper operation passageway is the same with the width of hopper 51 on the hopper chain 5, and wherein the bottom of left hopper operation passageway is provided with feed inlet 7, and the top of the hopper operation passageway on right side is provided with discharge gate 8. The feed inlet 7 is provided with a feed bin, the inner side opening of the feed bin is in butt joint with the hopper chain 5, and the opening width of the feed bin is the same as the width of the hopper 51 on the hopper chain 5.

The support frame 1 is provided with a driving motor 4 through a support, the output end of the driving motor 4 is connected with a driving wheel, the rotating shaft of the driving roller wheel 2 is connected with a driving shaft 21, the driving shaft 21 is connected with a driven wheel, and the driven wheel is connected with the driving wheel of the driving motor 4 through a transmission chain. A circuit of the driving motor 4 is connected with a thermal relay for detecting the running current value, so that the driving motor is protected from being stopped in time to avoid burning when the elevator is abnormal.

The driving shaft 21 connected with the driving roller 2 of the bucket elevator is connected with a torque sensor 11, the torque sensor 11 is electrically connected with the control module 9 of the bucket elevator, and an audible and visual alarm is configured. The control module 9 is provided with a circuit which is connected with the signal output end of the torque sensor 11 and the driving motor 4 by a PLC automatic controller, a torque threshold value is set, when the torque value is smaller than the system preset torque minimum value, the phenomenon that a chain falls off or a bucket falls off is shown for the elevator, an alarm is given, the elevator is stopped, and an operator is prompted to maintain in time. When the torque value is larger than the maximum value of the preset torque of the system, the elevator is blocked, stops in time, and gives out sound and light alarm at the same time.

The rotating shaft of the driven roller 3 is connected with a speed sensor 12, and the speed sensor 12 is also electrically connected with a PLC (programmable logic controller) of the control module 9 of the bucket elevator and is provided with a corresponding alarm indicator lamp. The driven roller wheel 3 rotates to drive the detection piece of the speed sensor 12 to rotate when the elevator runs, the speed sensor 12 detects signals, when the signals of the speed sensor 12 are lost, the elevator stops running, a chain drops or blocks the phenomenon of rotation blockage, the elevator stops running in time, and an acousto-optic alarm is sent out.

A material level sensor 13 is arranged in the feeding hopper at the feeding hole 7, and the material level sensor 13 is also electrically connected with the PLC of the control module 9 of the bucket elevator and is provided with a corresponding alarm indicator lamp. When too much feeding occurs or the elevator is abnormal in conveying, the material can be accumulated to the position of the material level sensor 13, the material level sensor 13 sends out a signal, the machine is stopped in time, and an acousto-optic alarm is sent out. The control module 9 is provided with the alarm lamps 91 with 3 sensors, which have different colors, and the corresponding alarm lamps can visually reflect the fault positions.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, which is defined by the appended claims and the description of the utility model.

Claims

1. The bucket elevator with the protection function comprises a support frame, wherein a driving roller is arranged at the top of the support frame, a driven roller is arranged at the bottom of the support frame, a hopper chain is arranged on the bucket elevator to bypass the driving roller and the driven roller, the bucket elevator is characterized in that the support frame is provided with a hopper running channel enclosed by a casing along the hopper chain, the width of the hopper running channel is the same as that of a hopper on the hopper chain, a feed inlet is formed in the bottom of the left hopper running channel, a discharge outlet is formed in the top of the right hopper running channel, a driving motor is arranged at the top of the support frame, the driving roller is connected with a driving shaft, the driving shaft is connected with the driving motor through a transmission chain, a torque sensor is connected on the driving shaft, and the torque sensor is electrically connected with a control module of the bucket elevator, and is provided with an audible and visual alarm.

2. The bucket elevator with protection function as claimed in claim 1, wherein a speed sensor is connected to the rotation shaft of the driven roller, and the speed sensor is also electrically connected to the control module of the bucket elevator.

3. The bucket elevator with protection function as claimed in claim 2, wherein a feeding hopper is arranged at the feeding port of the bucket elevator, the inner opening of the feeding hopper is butted with the hopper chain, and the opening width of the feeding hopper is the same as the width of the hopper on the hopper chain.

4. The bucket elevator with protection function as claimed in claim 3, wherein a level sensor is disposed in the feeding hopper, and the level sensor is also electrically connected to the control module of the bucket elevator.

5. The bucket elevator according to claim 4, wherein a thermal relay for detecting an operating current value is connected to the electric circuit of the drive motor.