CN217322092U - Stall protection device of rubber belt conveyor and working face control assembly - Google Patents

Stall protection device of rubber belt conveyor and working face control assembly Download PDF

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Publication number
CN217322092U
CN217322092U CN202220746243.XU CN202220746243U CN217322092U CN 217322092 U CN217322092 U CN 217322092U CN 202220746243 U CN202220746243 U CN 202220746243U CN 217322092 U CN217322092 U CN 217322092U
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Prior art keywords
belt conveyor
wheel
driving wheel
speed sensor
rolling wheel
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CN202220746243.XU
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Inventor
乌伟立
董光福
王慧超
曹君杰
杜涛
杨涛
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National Energy Group Ningxia Coal Industry Co Ltd
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National Energy Group Ningxia Coal Industry Co Ltd
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Abstract

The application discloses band conveyer stall protection device and working face control assembly, band conveyer stall protection device includes: the adhesive tape, a driving wheel for driving the adhesive tape to run and a motor for driving the driving wheel to rotate, wherein the motor is in driving connection with the driving wheel, the motor drives the driving wheel to rotate, the first speed sensor is used for acquiring the rotating speed of the driving wheel, the shaft surface of the rolling wheel is abutted against the outer surface of the adhesive tape, the second speed sensor is used for acquiring the rotating speed of the rolling wheel, and the controller is used for controlling the motor according to the rotating speed of the driving wheel and the rotating speed of the rolling wheel. By adopting the stall protection device of the rubber belt conveyor and the working face control assembly, the controller controls the operation of the motor according to the rotating speeds of the driving wheel and the rolling wheel monitored by the first speed sensor and the second speed sensor, the running state of the rubber belt can be monitored, and the working efficiency is improved.

Description

Stall protection device of rubber belt conveyor and working face control assembly
Technical Field
The application relates to the technical field of belt conveyor transportation, in particular to a stall protection device of a belt conveyor and a working face control assembly.
Background
The continuous development of the industry puts higher requirements on the safety and the efficiency of enterprise production, and particularly, the transportation of materials or products plays an increasingly important role in the links of raw material processing and transportation, large-scale production lines and even finished product transportation. A belt conveyor is one of the frequently used devices. However, in the existing rubber belt conveying process, the stalling problems such as slippage or idle running of the driving wheel often occur between the rubber belt and the driving wheel, and field workers cannot timely judge and process the stalling problems, so that belt pressing or product quality accidents occur.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application provides a stall protection device and a working surface control assembly for a belt conveyor to solve the above technical problems.
The application provides a band conveyer stall protection device includes:
the adhesive tape, a driving wheel for driving the adhesive tape to run and a motor for driving the driving wheel to rotate, wherein the motor is in driving connection with the driving wheel;
the first speed sensor is used for acquiring the rotating speed of the driving wheel and is arranged on one side of the driving wheel;
the axial surface of the rolling wheel is abutted against the outer surface of the adhesive tape, and the axial direction of the rolling wheel is parallel to the axial direction of the driving wheel;
the second speed sensor is used for acquiring the rotating speed of the rolling wheel and is arranged on one side of the rolling wheel;
and the controller controls the motor according to the rotating speed of the driving wheel and the rotating speed of the rolling wheel, a first input end of the controller is electrically connected with the first speed sensor, a second input end of the controller is electrically connected with the second speed sensor, and a first output end of the controller is electrically connected with an input end of the motor.
Optionally, the first bracket is fixed to the belt conveyor at a first end, the second end of the first bracket extends to one side of the driving wheel, and the first speed sensor is fixedly mounted at the second end of the first bracket.
Optionally, the first end of the second bracket is fixed to the belt conveyor, the second end of the second bracket extends to one side of the rolling wheel, and the second speed sensor is fixedly mounted at the second end of the second bracket.
Optionally, the second support includes a support and a connecting rod assembly, the support is fixed to the belt conveyor, a first end of the connecting rod assembly is fixed to the support, and the rolling wheel is mounted at a second end of the connecting rod assembly.
Optionally, the connecting rod assembly includes a first connecting rod and a second connecting rod, a first end of the first connecting rod is fixed on the support, a first end of the second connecting rod is hinged to a second end of the first connecting rod, and the rolling wheel is mounted at the second end of the second connecting rod.
Optionally, a counterweight is disposed on the second connecting rod.
Optionally, the axial position of the rolling wheel is higher than the axial position of the driving wheel.
Optionally, the rolling wheel is located at the tail of the belt conveyor.
The application also provides a working face control assembly, including mining equipment, still include as above the rubber belt conveyor stall protection device, the controller still includes the second output, the second output of controller with mining equipment open and stop control interface electricity and be connected.
Optionally, the mining apparatus comprises a shearer and/or a transfer conveyor.
The beneficial effect of this application:
the application provides a band conveyer stall protection device and working face control assembly includes: the sticky tape, a drive wheel for driving the sticky tape operation, and drive wheel pivoted motor, the motor is connected with the drive of drive wheel, the motor drive wheel rotates, the drive wheel drives the sticky tape and rotates, first speed sensor installs the one side at the drive wheel, a first speed sensor for gathering the driving wheel rotational speed, the axial plane of roll wheel and the surface butt of sticky tape, the axial of roll wheel and the axial direction parallel of drive wheel, the sticky tape drives the roll wheel and rotates, second speed sensor installs the one side at the roll wheel, a second speed sensor for gathering the roll wheel rotational speed. The controller controls the motor according to the rotating speed of the driving wheel and the rotating speed of the rolling wheel, a first input end of the controller is electrically connected with the first speed sensor, a second input end of the controller is electrically connected with the second speed sensor, a first output end of the controller is electrically connected with an input end of the motor, the controller controls the motor to run according to the rotating speeds of the driving wheel and the rolling wheel monitored by the first speed sensor and the second speed sensor, the running state of the adhesive tape can be monitored, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a stall protection apparatus of a belt conveyor according to an embodiment of the present application;
fig. 2 is a schematic diagram of the electrical connections of the components of the stall protection apparatus of the belt conveyor according to the embodiment of the present application.
Detailed Description
The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic structural view of a stall protection device of a belt conveyor according to an embodiment of the present application. Fig. 2 is a schematic electrical connection diagram of the components of the stall protection apparatus of the belt conveyor according to the embodiment of the present application. As shown in fig. 1 and 2, the present application provides a stall protection device for a belt conveyor, comprising the following components.
The belt conveyor comprises a rubber belt 10, a driving wheel 20 for driving the rubber belt 10 to run, and a motor 30 for driving the driving wheel 20 to rotate, wherein the motor 30 is in driving connection with the driving wheel 20, the motor 30 drives the driving wheel 20 to rotate, and the driving wheel 20 drives the rubber belt 10 to run, so that materials or coal are conveyed.
And a first speed sensor 21 for acquiring the rotating speed of the driving wheel 20, wherein the first speed sensor 21 is installed at one side of the driving wheel 20.
The axial surface of the rolling wheel 40 is abutted against the outer surface of the adhesive tape 10, the axial direction of the rolling wheel 40 is parallel to the axial direction of the driving wheel 20, and the adhesive tape 10 drives the rolling wheel 40 to rotate.
And a second speed sensor 41 for acquiring the rotation speed of the rolling wheel 40, wherein the second speed sensor 41 is installed at one side of the rolling wheel 40.
In an alternative embodiment of the present application, the first speed sensor 21 and the second speed sensor 41 can be photoelectric rotation speed sensors, such as: a projection type photoelectric rotation speed sensor or a reflection type photoelectric rotation speed sensor. Preferably, the first speed sensor 21 is used for detecting the linear speed of the periphery of the driving wheel 20; the second speed sensor 41 is configured to detect a linear speed of the outer periphery of the rolling wheel 40, and the tape 10 drives the rolling wheel 40 to rotate, so that the linear speed of the outer periphery of the rolling wheel 40 is equal to a traveling speed of the tape 10.
The controller 31 controls the motor 30 according to the rotation speed of the driving wheel 20 and the rotation speed of the rolling wheel 40, a first input end of the controller 31 is electrically connected with the first speed sensor 21, a second input end of the controller 31 is electrically connected with the second speed sensor 41, a first output end of the controller 31 is electrically connected with an input end of the motor 30, and the controller 31 controls the operation of the motor 30 according to the rotation speeds of the driving wheel 20 and the rolling wheel 40 monitored by the first speed sensor 21 and the second speed sensor 41.
As shown in fig. 1 and 2, in an alternative embodiment of the present application, the tape conveyor is a tape conveyor 70 with a model number of DSJ80/40/2 x 110, the motor 30 is a motor with a model number of YBK3-315S-4, and the Controller 31 is a PLC (Programmable Logic Controller) Controller. The control process can be realized by the existing conventional control logic, for example: the control can be performed through a comparison logic commonly used by a PLC controller, the linear velocity of the periphery of the driving wheel 20 is compared with the linear velocity of the periphery of the rolling wheel 40, and when the linear velocities of the periphery of the driving wheel and the rolling wheel are not consistent, a stop signal is sent out, the motor 30 stops, and the adhesive tape 10 stops running.
Preferably, an error threshold of 0.2m/s is preset in the controller 31, and when the difference between the linear speed of the outer periphery of the driving wheel 20 and the linear speed of the outer periphery of the rolling wheel 40 is smaller than the error threshold of 0.2m/s, the belt conveyor 70 operates normally; when the difference between the linear velocity of the periphery of the driving wheel 20 and the linear velocity of the periphery of the rolling wheel 40 is greater than or equal to the error threshold value of 0.2m/s, a stop signal is sent to the motor 30, the motor 30 stops, and the adhesive tape 10 stops running. It can be understood that, the comparison logic and the error threshold judgment logic described in the above embodiments are all existing common control logic, and those skilled in the art may adaptively select a corresponding program according to the hardware architecture of the present application, or may implement the corresponding program by an existing logic circuit, which is not described herein again because it belongs to the prior art.
When the adhesive tape 10 normally runs, the motor 30 drives the driving wheel 20 to rotate, the driving wheel 20 drives the adhesive tape 10 to run, so as to convey materials or coal on the adhesive tape 10, and the adhesive tape 10 drives the rolling wheel 40 to synchronously rotate. Therefore, in the normal operation state, the peripheral linear velocity of the driving wheel 20, the operation velocity of the adhesive tape 10 and the peripheral linear velocity of the rolling wheel 40 are substantially equal, the velocity values collected by the first velocity sensor 21 and the second velocity sensor 41 are substantially equal in the normal operation, the controller 31 does not operate, and the adhesive tape 10 is always operated.
When the material on the adhesive tape 10 is overweight or water exists between the adhesive tape 10 and the driving wheel 20, the friction force between the adhesive tape 10 and the driving wheel 20 cannot satisfy the synchronous operation of the two, the operation of the adhesive tape 10 can be slowed down or even stopped, at this time, the operation speed of the adhesive tape 10 is less than the rotation speed of the driving wheel 20, and the rotation speed of the rolling wheel 40 is less than the rotation speed of the driving wheel 20 because the rolling wheel 40 and the adhesive tape 10 are synchronous. In this case, the speed values collected by the first speed sensor 21 and the second speed sensor 41 may be different, so as to trigger the controller 31 to issue a stop command.
The running state of the adhesive tape 10 can be monitored by monitoring the rotating speed of the driving wheel 20 and the rolling wheel 40, so that the controller 31 can receive and issue complete data, the running of the motor 30 can be controlled quickly and timely in response, and the working efficiency is improved.
The application provides a band conveyer stall protection device includes: the adhesive tape comprises an adhesive tape 10, a driving wheel 20 for driving the adhesive tape 10 to run, and a motor 30 for driving the driving wheel 20 to rotate, wherein the motor 30 is in driving connection with the driving wheel 20, the motor 30 drives the driving wheel 20 to rotate, the driving wheel 20 drives the adhesive tape 10 to rotate, a first speed sensor 21 is installed on one side of the driving wheel 20 and is used for acquiring the rotating speed of the driving wheel 20, the axial surface of a rolling wheel 40 is abutted to the outer surface of the adhesive tape 10, the axial direction of the rolling wheel 40 is parallel to the axial direction of the driving wheel 20, the adhesive tape 10 drives the rolling wheel 40 to rotate, a second speed sensor 41 is installed on one side of the rolling wheel 40 and is used for acquiring the rotating speed of the rolling wheel 40. The controller 31 for controlling the motor 30 according to the rotation speed of the driving wheel 20 and the rotation speed of the rolling wheel 40, a first input end of the controller 31 is electrically connected with the first speed sensor 21, a second input end of the controller 31 is electrically connected with the second speed sensor 41, a first output end of the controller 31 is electrically connected with an input end of the motor 30, and the controller 31 controls the operation of the motor 30 according to the rotation speeds of the driving wheel 20 and the rolling wheel 40 monitored by the first speed sensor 21 and the second speed sensor 41, so that the operation state of the adhesive tape 10 can be monitored, and the work efficiency is improved.
Optionally, the stall protection device for the belt conveyor further comprises a first bracket 50, a first end of the first bracket 50 is fixed on the belt conveyor 70, a second end of the first bracket 50 extends to one side of the driving wheel 20, and the first speed sensor 21 is fixedly installed at the second end of the first bracket 50, so that the structural stability can be improved, the first speed sensor 21 is prevented from shaking to a great extent, and the accuracy of monitoring the driving wheel 20 by the first speed sensor 21 is increased.
In an alternative embodiment of the present application, the first bracket 50 is welded to the belt conveyor 70, the first bracket 50 is welded to the first speed sensor 21, and the first speed sensor 21 is integrally connected to the belt conveyor 70, so as to accurately and stably monitor the rotation speed of the driving wheel 20.
Optionally, the stall protection device for the belt conveyor further includes a second bracket 60, a first end of the second bracket 60 is fixed to the belt conveyor 70, a second end of the second bracket 60 extends to one side of the rolling wheel 40, and the second speed sensor 41 is fixedly mounted at the second end of the second bracket 60, which can improve structural stability, largely avoid shaking of the second speed sensor 41, and increase accuracy of the second speed sensor 41 in monitoring the rolling wheel 40.
In an alternative embodiment of the present application, the second bracket 60 is welded to the belt conveyor 70, and the second bracket 60 is welded to the second speed sensor 41, so that the second speed sensor 41 is stably connected to the belt conveyor 70.
Optionally, the second bracket 60 includes a support 61 and a link assembly 62, the support 61 is fixed on the belt conveyor 70, a first end of the link assembly 62 is fixed on the support 61, and the rolling wheel 40 is installed at a second end of the link assembly 62, so that the rolling wheel 40 is conveniently abutted to the outer surface of the belt 10, and the rolling wheel 40 is prevented from being out of synchronization with the running state of the belt 10, which brings about an error action.
In an optional embodiment of the present application, a first end of the link assembly 62 is welded to the support 61, a second end of the link assembly 62 is rotatably connected to the rolling wheel 40 through a rotating shaft, the rolling wheel 40 abuts against the adhesive tape 10 by gravity, the rolling wheel 40 can accurately reflect the running state of the adhesive tape 10, and the difference in abutting force between the rolling wheel 40 and the adhesive tape 10 due to external factors is reduced, so that the normal rotation of the rolling wheel 40 is affected.
Optionally, the link assembly 62 includes a first link 63 and a second link 64, a first end of the first link 63 is fixed on the support 61, a first end of the second link 64 is hinged to a second end of the first link 63, the rolling wheel 40 is installed at a second end of the second link 64, and the second link 64 can drive the rolling wheel 40 to rotate around an end of the first link 63, so that the rolling wheel 40 is far away from the adhesive tape 10, and the maintenance of the adhesive tape 10 is not affected.
As shown in fig. 1, in an alternative embodiment of the present application, the first connecting rod 63 and the second connecting rod 64 are hinged by a pin, the number of the second connecting rods 64 is two, the two second connecting rods 64 are respectively located at two sides of the first connecting rod 63, a through hole is formed at a second end of the second connecting rod 64, a bearing is connected in the through hole, a rotating shaft of the rolling wheel 40 is rotatably connected with the second connecting rod 64 by the bearing, and the rolling wheel 40 is located between the two second connecting rods 64. When the adhesive tape 10 is repaired, the second connecting rod 64 can be lifted upwards and drives the rolling wheel 40 to rotate around the pin shaft. The second speed sensor 41 is located on the inner side of one of the second links 64 near the rolling wheel 40.
Optionally, a weight-balancing block 65 is disposed on the second connecting rod 64 to increase the contact stability between the rolling wheel 40 and the adhesive tape 10.
In an optional embodiment of the present application, the weight-balancing block 65 can be fixedly connected to the second connecting rod 64 by a fastening member, so that the weight-balancing block 65 with different weights can be conveniently replaced and adjusted, poor contact or slippage between the rolling wheel 40 and the adhesive tape 10 can be avoided, and various operating conditions can be satisfied.
Optionally, the axial position of the rolling wheel 40 is higher than the axial position of the driving wheel 20, so that the rolling wheel 40 is convenient to abut against the outer surface of the adhesive tape 10, and the contact stability of the rolling wheel 40 and the adhesive tape 10 is further increased.
In an alternative embodiment of the present application, the rolling wheel 40 is located obliquely above the driving wheel 20, and the gravity of the rolling wheel 40 can drive the rolling wheel 40 to rotate around the pin shaft and abut against the adhesive tape 10, so as to more accurately measure the tape speed of the adhesive tape 10.
Optionally, the rolling wheel 40 is located at the tail of the belt conveyor 70, so that the installation and operation of the rolling wheel 40 are facilitated, and the normal operation of the belt conveyor 70 is not affected.
In an alternative embodiment of the present application, as shown in fig. 1, the first link 63 is located at an end of the second link 64 away from the driving wheel 20, so that the second link 64 can drive the rolling wheel 40 away from the adhesive tape 10 when the rolling wheel 40 is not needed.
As shown in fig. 2, the present application further provides a working face control assembly, which includes a mining device 80, and further includes the above stall protection device for a belt conveyor, the controller 31 further includes a second output end, and the second output end of the controller 31 is electrically connected to the start-stop control interface of the mining device 80, so as to avoid occurrence of accidents of belt pressing or product quality.
In an optional embodiment of the present application, the controller 31 may be a centralized control system and have a screen display, and the centralized control system is installed in the control room, so as to facilitate operation and monitoring of the operator, and reduce damage to the controller 31 caused by a severe working environment on the site and influence the service life of the controller 31.
Optionally, the mining device 80 includes a coal mining machine and/or a reversed loader, and the work of the whole working line is stopped in time, so as to prevent the problems such as slipping of the adhesive tape 10 and the like from affecting the delay and accumulation of other working steps and affecting the product quality.
The technical solutions of the present application are described in detail with reference to specific embodiments, which are used to help understand the ideas of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.

Claims (10)

1. A stall protection device for a belt conveyor, comprising:
the adhesive tape, a driving wheel for driving the adhesive tape to run and a motor for driving the driving wheel to rotate, wherein the motor is in driving connection with the driving wheel;
the first speed sensor is used for collecting the rotating speed of the driving wheel and is arranged on one side of the driving wheel;
the axial surface of the rolling wheel is abutted against the outer surface of the adhesive tape, and the axial direction of the rolling wheel is parallel to the axial direction of the driving wheel;
the second speed sensor is used for acquiring the rotating speed of the rolling wheel and is arranged on one side of the rolling wheel;
and the controller controls the motor according to the rotating speed of the driving wheel and the rotating speed of the rolling wheel, a first input end of the controller is electrically connected with the first speed sensor, a second input end of the controller is electrically connected with the second speed sensor, and a first output end of the controller is electrically connected with an input end of the motor.
2. A belt conveyor stall protection apparatus as in claim 1 further comprising a first bracket, a first end of the first bracket being fixed to the belt conveyor, a second end of the first bracket extending to one side of the drive wheel, the first speed sensor being fixedly mounted to the second end of the first bracket.
3. A belt conveyor stall protection apparatus as in claim 1 further comprising a second bracket, a first end of the second bracket being fixed to the belt conveyor, a second end of the second bracket extending to one side of the roller wheel, the second speed sensor being fixedly mounted to the second end of the second bracket.
4. A belt conveyor stall protection apparatus as defined in claim 3 wherein the second bracket includes a support and a linkage assembly, the support being secured to the belt conveyor, a first end of the linkage assembly being secured to the support, the roller wheel being mounted at a second end of the linkage assembly.
5. A belt conveyor stall protection apparatus as claimed in claim 4, wherein the linkage assembly comprises a first link and a second link, a first end of the first link being fixed to the mount, a first end of the second link being hingedly connected to a second end of the first link, the roller wheel being mounted at the second end of the second link.
6. The belt conveyor stall protection device of claim 5, wherein the second link has a counterweight disposed thereon.
7. The belt conveyor stall protection device of claim 5, wherein the axis position of the rolling wheel is higher than the axis position of the drive wheel.
8. The belt conveyor stall protection device of any one of claims 1-7, wherein the rolling wheel is located at a tail of the belt conveyor.
9. A face control assembly comprising mining equipment, and further comprising the belt conveyor stall protection device of any one of claims 1-8, the controller further comprising a second output, the second output of the controller being electrically connected to a start-stop control interface of the mining equipment.
10. The face control assembly as claimed in claim 9, wherein the mining equipment comprises a shearer loader and/or a transfer conveyor.
CN202220746243.XU 2022-03-31 2022-03-31 Stall protection device of rubber belt conveyor and working face control assembly Active CN217322092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220746243.XU CN217322092U (en) 2022-03-31 2022-03-31 Stall protection device of rubber belt conveyor and working face control assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220746243.XU CN217322092U (en) 2022-03-31 2022-03-31 Stall protection device of rubber belt conveyor and working face control assembly

Publications (1)

Publication Number Publication Date
CN217322092U true CN217322092U (en) 2022-08-30

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ID=83003731

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220746243.XU Active CN217322092U (en) 2022-03-31 2022-03-31 Stall protection device of rubber belt conveyor and working face control assembly

Country Status (1)

Country Link
CN (1) CN217322092U (en)

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