阅读说明：本技术 一种带式输送机自动绞车式拉紧位移感知与保护装置 (Belt conveyor automatic winch type tensioning displacement sensing and protecting device ) 是由 纪志坚 宗成国 刘德建 芦伟 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种带式输送机自动绞车式拉紧位移感知与保护装置,涉及带式输送机技术领域,其包括重力拉紧小车、第一激光传感器、第二激光传感器、PLC、信息处理器、伺服电机、变频器、第一振动传感器、第二振动传感器、第三振动传感器与第四振动传感器,重力拉紧小车位于带式输送机的下方。该带式输送机自动绞车式拉紧位移感知与保护装置,通过信息处理器对第一激光传感器、第二激光传感器、第一振动传感器、第二振动传感器、第三振动传感器与第四振动传感器传来的信息量进行实时处理与监测,如有异常波动,及时对PLC进行控制,接着通过PLC控制伺服电机,对胶带进行拉紧或放松,保证生产的正产运行,防止断带或打滑现象的出现,提高生产的效率。(The invention discloses an automatic winch type tensioning displacement sensing and protecting device for a belt conveyor, and relates to the technical field of belt conveyors. This taut displacement perception of automatic winch formula of belt conveyor and protection device, to first laser sensor through information processor, second laser sensor, first vibration sensor, second vibration sensor, the information quantity that third vibration sensor and fourth vibration sensor transmitted carries out real-time processing and monitoring, if have unusual fluctuation, in time control PLC, after that through PLC control servo motor, take-up or relax the sticky tape, guarantee the normal production operation of production, prevent the emergence of disconnected area or the phenomenon of skidding, improve the efficiency of production.)

1. An automatic winch type tensioning displacement sensing and protecting device of a belt conveyor is characterized by comprising a gravity tensioning trolley (4), a first laser sensor (7), a second laser sensor (14), a PLC (24), an information processor (23), a servo motor (21), a frequency converter (22), a first vibration sensor (5), a second vibration sensor (6), a third vibration sensor (12) and a fourth vibration sensor (13), wherein the gravity tensioning trolley (4) comprises a gravity tensioning trolley side protecting plate (41) and a roller (41), a control device (2) is fixed on a base, the control device (2) comprises the servo motor (21), the frequency converter (22), the information processor (23), the PLC (24) and a roller (25), the servo motor (21) is positioned above the base and fixed with the base, and the PLC (24) is fixed in front, the frequency converter (22) is fixed on the side of the servo motor (21), the information processor (23) is fixed above the servo motor (21), the servo motor (21) is connected with the traction rope (1), the traction rope (1) bypasses a winding drum (25) and is connected with the gravity tensioning trolley (4), a roller (41) is arranged on the gravity tensioning trolley (4), an adhesive tape (11) is wound on the roller (41), the gravity tensioning trolley (4) is positioned above the track (3), the first vibration sensor (5), the second vibration sensor (6), the third vibration sensor (12) and the fourth vibration sensor (13) are fixed on the supporting leg (9), the adhesive tape (11) is positioned between two sensing diaphragms on the first vibration sensor (5), the second vibration sensor (6), the third vibration sensor (12) and the fourth vibration sensor (13), the first laser sensor (7) is fixed on the beam (8) and positioned above the adhesive tape (11) at a certain distance, the second laser sensor (14) is fixed on the connecting frame (15) and is positioned at a certain distance above the clamping belt.

2. The automatic winch-type tensioning displacement sensing and protecting device of the belt conveyor as claimed in claim 1, wherein: the gravity tensioning trolley (4) is positioned below the belt conveyor, the gravity tensioning trolley (4) runs on a steel rail, and the gravity tensioning trolley (4) is connected with the servo motor (21) through the traction rope (1).

3. The automatic winch-type tensioning displacement sensing and protecting device of the belt conveyor as claimed in claim 1, wherein: the first laser sensor (7) and the second laser sensor (14) are fixed on a cross beam (8) below the belt conveyor through a support, and the cross beam (8) is positioned above the adhesive tape (11).

4. The automatic winch-type tensioning displacement sensing and protecting device of the belt conveyor as claimed in claim 1, wherein: the first vibration sensor (5), the second vibration sensor (6), the third vibration sensor (12) and the fourth vibration sensor (13) are fixed on a supporting leg (9) below the belt conveyor through a mounting support, and the adhesive tape (11) is located between two sensing membranes of the first vibration sensor (5), the second vibration sensor (6), the third vibration sensor (12) and the fourth vibration sensor (13).

5. The automatic winch-type tensioning displacement sensing and protecting device of the belt conveyor as claimed in claim 1, wherein: the PLC (24), the frequency converter (22) and the servo motor (21) form a series system and are arranged on a fixed seat of the servo motor (21).

6. The automatic winch-type tensioning displacement sensing and protecting device of the belt conveyor as claimed in claim 1, wherein: the information processor (23) processes signals transmitted by the first laser sensor (7), the second laser sensor (14), the first vibration sensor (5), the second vibration sensor (6), the third vibration sensor (12) and the fourth vibration sensor (13), and converts the signals into a control command for the PLC (24) to control the action of the PLC (24), so as to control the action of the gravity tensioning trolley (4) and tension the adhesive tape (11).

Technical Field

The invention relates to the technical field of belt conveyors, in particular to an automatic winch type tensioning displacement sensing and protecting device for a belt conveyor.

Background

At present, with the continuous expansion of production scale and the continuous improvement of automation level, the requirements of transportation capacity and safety performance of the belt conveyor are higher and higher. When a belt conveyor transports materials, the rubber belt is often in a loose or excessively tight state, and a tensioning device is needed to act on the rubber belt. However, the conventional spiral tensioning device, hydraulic drawing device and heavy hammer tensioning device are not more and more capable of meeting the urgent needs of mass transportation and automatic production, so that great safety accidents occur frequently, and great loss is caused to the safety of lives and properties.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic winch type tensioning displacement sensing and protecting device for a belt conveyor, which aims to solve the problems in the prior art.

In view of the above circumstances, the present invention provides an automatic winch-type tensioning displacement sensing and protecting device for a belt conveyor, so as to solve the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the automatic winch type tensioning displacement sensing and protecting device for the belt conveyor comprises a gravity tensioning trolley, a first laser sensor, a second laser sensor, a PLC (programmable logic controller), an information processor, a servo motor, a frequency converter, a first vibration sensor, a second vibration sensor, a third vibration sensor and a fourth vibration sensor, wherein the gravity tensioning trolley is positioned below the belt conveyor and runs on a steel rail, the gravity tensioning trolley is connected with the servo motor through a traction rope, the first laser sensor and the second laser sensor are fixed on a cross beam below the belt conveyor through a support, the cross beam is positioned above an adhesive tape, the first vibration sensor, the second vibration sensor, the third vibration sensor and the fourth vibration sensor are fixed on a supporting leg below the belt conveyor through a mounting support, and the adhesive tape is positioned on the first vibration sensor, the second vibration sensor, the third vibration sensor and the fourth vibration sensor, Between two sensing diaphragms of a third vibration sensor and a fourth vibration sensor, a PLC, a frequency converter and a servo motor form a series system and are arranged on a servo motor fixing seat, an information processor processes signals transmitted by a first laser sensor, a second laser sensor, the first vibration sensor, the second vibration sensor, the third vibration sensor and the fourth vibration sensor, and converts the signals into a control command for the PLC to control the PLC to act, so that the gravity tensioning trolley is controlled to act, and an adhesive tape is tensioned.

Compared with the prior art, the invention has the beneficial effects that: this taut displacement perception of automatic winch formula of belt conveyor and protection device, to first laser sensor through information processor, second laser sensor, first vibration sensor, second vibration sensor, the information quantity that third vibration sensor and fourth vibration sensor transmitted carries out real-time processing and monitoring, if have unusual fluctuation, in time control PLC, after that through PLC control servo motor, take-up or relax the sticky tape, guarantee the normal production operation of production, prevent the emergence of disconnected area or the phenomenon of skidding, improve the efficiency of production.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a detailed structural view of the control device and the gravity tensioning trolley side guard plate of the present invention;

fig. 3 is a diagram of a sensor arrangement according to the invention.

In the figure: the device comprises a traction rope 1, a control device 2, a servo motor 21, a frequency converter 22, an information processor 23, a PLC24, a winding drum 25, a track 3, a gravity tensioning trolley 4, a gravity tensioning trolley side guard plate 41, a roller 42, a first vibration sensor 5, a second vibration sensor 6, a first laser sensor 7, a cross beam 8, a supporting leg 9, a return idler roller 10, an adhesive tape 11, a third vibration sensor 12, a fourth vibration sensor 13, a second laser sensor 14 and a connecting frame 15.

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.

Referring to fig. 1-3, an automatic winch-type tensioning displacement sensing and protecting device for a belt conveyor includes: the device comprises a hauling rope 1, a control device 2, a track 3 and a gravity tensioning trolley 4.

The control device 2 is fixed on a base, a servo motor 21 is positioned above the base and fixed with the base, a PLC24 is fixed in front, a frequency converter 22 is fixed on the side of the servo motor 21, an information processor 23 is fixed above the servo motor 21, the servo motor 21 is connected with a traction rope 1, the traction rope 1 is connected with a gravity tensioning trolley 4 by winding a winding drum 25, a roller 41 is arranged on the gravity tensioning trolley 4, an adhesive tape 11 is wound on the roller 41, the gravity tensioning trolley 4 is positioned above a track 3, a first vibration sensor 5, a second vibration sensor 6, a third vibration sensor 12 and a fourth vibration sensor 13 are fixed on a supporting leg 9, the adhesive tape 11 is positioned between two sensing diaphragms on the first vibration sensor 5, the second vibration sensor 6, the third vibration sensor 12 and the fourth vibration sensor 13, a first laser sensor 7 is fixed on a beam 8 and positioned at a certain distance above the adhesive tape 11, a second laser sensor 14 is fixed to the connecting frame 15 at a distance above the clamping band.

The working principle of the automatic winch type tensioning displacement sensing and protecting device for the belt conveyor is as follows:

when the belt conveyor is started, the adhesive tape 11 is driven to normally run, then the information processor 23 records the information transmitted back by the first laser sensor 7, the second laser sensor 14, the first vibration sensor 5, the second vibration sensor 6, the third vibration sensor 12 and the fourth vibration sensor 13 and stores the information in the built-in memory, when the adhesive tape 11 fluctuates and runs abnormally, the information processor 23 compares the information transmitted back again by the first laser sensor 7, the second laser sensor 14, the first vibration sensor 5, the second vibration sensor 6, the third vibration sensor 12 and the fourth vibration sensor 13 with the information stored when the adhesive tape 11 runs normally, if the adhesive tape 11 is found to be loose, the information processor 23 sends a command to the PLC24, the PLC24 controls the frequency converter 22 and the servo motor 21 to enable the servo motor 21 to run quickly, the adhesive tape tensioning trolley 4 is tensioned through gravity to enable the adhesive tape 11 to be tensioned, if the adhesive tape 11 is found to be too tight, the information processor 23 sends a command to the PLC24, and the PLC24 controls the frequency converter 22 and the servo motor 21 to enable the servo motor 21 to run slowly, and the trolley 4 is tensioned through gravity to enable the adhesive tape 11 to be loosened, so that the adhesive tape 11 is prevented from being broken, and a certain protection effect is achieved on the belt conveyor.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.