CN211945122U

CN211945122U - Return roller protection device of belt conveyor

Info

Publication number: CN211945122U
Application number: CN202020091597.6U
Authority: CN
Inventors: 段建全; 李刚; 谷伟; 储长清; 王建
Original assignee: Shandong Taiyang Honghe Paper Industry Co ltd; Yanzhou Tianzhang Paper Industry Co ltd; SHANDONG TAIYANGZHIYE CO Ltd
Current assignee: Shandong Taiyang Honghe Paper Industry Co ltd; Yanzhou Tianzhang Paper Industry Co ltd; SHANDONG TAIYANGZHIYE CO Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-17
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a band conveyer back roller protector, which comprises a frame, the frame end is equipped with the back roller, be equipped with the conveyer belt on the back roller, all be equipped with the protection crossbeam in the frame at both ends around the back roller, be equipped with the protection network in the frame outside the back roller, it piles up induction system to be equipped with the material in the protection network, frame one side is equipped with the controller, the input and the material of controller pile up induction system and are connected, and one side of controller is equipped with audible-visual annunciator, audible-visual annunciator and conveyer power are connected with the output of controller through the circular telegram switch respectively. Prevent operating personnel and the conveyer contact of in service through the protection network, the material is piled up induction system and is formed the linkage with conveyer power and audible-visual annunciator respectively through the controller, and the sweeps reaches to realize reporting to the police after storing up the upper limit and reminds and the conveyer is shut down, prevents the bodily injury occurence of failure that the clearance operation of breaking rules and regulations caused, ensures the safe and stable operation of personnel and equipment.

Description

Return roller protection device of belt conveyor

Technical Field

The utility model belongs to the conveying equipment field, specifically speaking are belt conveyor turn back roller protector.

Background

The return roller of the belt conveyor is stored up because wood fiber can be generated, the belt conveyor needs to be cleaned manually in time, and the illegal operation of cleaning materials without stopping by operators can be generated in the using process, so that mechanical injury accidents occur, and personal injuries of the operators are avoided.

The belt feeder is at the operation in-process, will carry wood fibre debris to take belt feeder turn-back roller entrance, need shut down the back unified clearance, because belt feeder turn-back roller outside adopts simple and easy fence to carry out horizontal interval, and no sweeps deposits up the upper limit and reminds. The cleaning operation is carried out by operators under the condition of no shutdown for saving trouble, and the safety of equipment and personnel is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The problem that the outer protection piece of the return roller has a large gap and no scrap accumulates to achieve upper limit reminding is solved, an operator is caused to carry out cleaning operation under the condition of no shutdown for saving trouble, and the safety of equipment and personnel is seriously affected. The utility model provides a return roller protection device of a belt conveyor.

The utility model discloses a realize through following technical scheme.

The utility model provides a band conveyer back roller protector, includes the frame, the frame end is equipped with the back roller, be equipped with the conveyer belt on the back roller, all be equipped with the protection crossbeam in the frame at both ends around the back roller, be equipped with the protection network in the outer frame of back roller, it piles up induction system to be equipped with the material in the protection network, frame one side is equipped with the controller, induction system is piled up with the material to the input of controller and is connected, one side of controller is equipped with audible-visual annunciator, audible-visual annunciator and conveyer power are connected with the output of controller through the circular telegram switch respectively. The protection network has avoided the staff just to the operation of long-pending material clearance at turn-back roller position without shutting down to pile up the quantity monitoring to the material of inside through the material and pile up induction system, the controller is through opening and shutting of circular telegram switch control audible-visual annunciator and conveyer power, realizes audible-visual annunciator's warning and the urgent shut down of conveyer, avoids the material to pile up too much and causes the dangerous operation of equipment.

The utility model discloses a further improvement still, above-mentioned material is piled up induction system and is included adjustable radar inductive switch, adjustable radar inductive switch sets up on the protection network inner wall, and is located the protection crossbeam top of turn-back roller front end, adjustable radar inductive switch with the input of controller is connected. The material can be piled up on the protection crossbeam, and the material is piled up too much and can drop and influence equipment safe operation on the conveyer belt, and adjustable radar inductive switch senses and piles up too high material at the protection crossbeam, and the controller control conveyer power outage to control audible-visual annunciator warning.

The utility model discloses a further improvement still, above-mentioned material piles up induction system and includes travel switch, travel switch sets up in the protection network inner wall, be equipped with the connecting piece on travel switch's the trigger piece, connecting piece downwardly extending to the area face top of bottom conveyer belt, travel switch with the input of controller is connected. The materials stacked on the conveyor belt reach a certain thickness, the stacked materials touch the connecting piece, the travel switch is triggered through the connecting piece, and the controller controls the power supply of the conveyor to be powered off and controls the audible and visual alarm to give an alarm.

The utility model discloses a further improvement still, the inside strengthening rib that transversely is equipped with of above-mentioned protection network, the strengthening rib sets up in the front side of turn round roller front end protection crossbeam top, travel switch sets up on the strengthening rib. The firm degree of the protection net is reinforced through the reinforcing ribs, and the travel switch is arranged on the reinforcing ribs, so that the travel switch is prevented from being interfered by falling materials.

The utility model discloses a further improvement still is equipped with proximity switch in the frame of above-mentioned protection network one side, proximity switch with the input of controller is connected, the last scute that is equipped with of proximity switch, the scute set up in on the protection network. In the operation process of the equipment, after the protective net meets external force, the angle plate triggers the proximity switch, and the controller controls the power supply of the conveyor to be powered off and controls the audible and visual alarm to give an alarm.

The utility model discloses a further improvement still, above-mentioned controller outside is equipped with the control box, the control box sets up in the frame, be equipped with brake button on the cabinet door of control box, brake button with the input of controller is connected, audible-visual annunciator set up in on the outer wall of control box. And when the brake button is pressed, the controller cuts off the power supply of the conveyor.

The utility model has the advantages that: prevent operating personnel and the conveyer contact of in service through the protection network, the material is piled up induction system and is formed the linkage with conveyer power and audible-visual annunciator respectively through the controller, and the sweeps reaches to realize reporting to the police after storing up the upper limit and reminds and the conveyer is shut down, prevents the bodily injury occurence of failure that the clearance operation of breaking rules and regulations caused, ensures the safe and stable operation of personnel and equipment.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention.

Fig. 3 is a schematic diagram of a circuit control according to an embodiment of the present invention.

In the drawings: 1. the device comprises a rack, 2, a conveyor belt, 3, a protective net, 4, an audible and visual alarm, 5, a brake button, 6, a control box, 7, an angle plate, 8, a proximity switch, 9, a return roller, 10, a travel switch, 11, a protective beam, 12, a transverse connecting rod, 13, a connecting piece, 14, a reinforcing rib, 15 and an adjustable radar induction switch.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

As shown in the attached drawing, the back roller protection device of the belt conveyor comprises a frame 1, wherein a bearing seat is arranged at the tail end of the frame 1, and a back roller 9 is arranged in the bearing seat. The reversing roller 9 is provided with a conveyor belt 2, and the frame 1 at the front end and the rear end of the reversing roller 9 are provided with protective beams 11. People and things are pulled away from the return roller 9 by a certain safety distance through the protective beam 11. And a protective net 3 is arranged on the frame 1 outside the turn roller 9. The protective net 3 avoids the operation of cleaning accumulated materials at the position of the return roller 9 by workers without stopping the machine. Reinforcing ribs 14 are transversely arranged inside the protective net 3, and the reinforcing ribs 14 are arranged on the front side above the protective cross beam 11 at the front end of the turn-back roller 9. The degree of firmness of the protection net 3 is reinforced by the reinforcing ribs 14. The material accumulation induction device is arranged in the protective net 3, the controller is arranged on one side of the rack 1, the input end of the controller is connected with the material accumulation induction device, the audible and visual alarm 4 is arranged on one side of the controller, and the audible and visual alarm 4 and the conveyor power supply are respectively connected with the output end of the controller through the power-on switch. The quantity monitoring is piled up to inside material through the material and piles up induction system, and the controller opens through circular telegram on-off control audible-visual annunciator 4 and conveyer and stops, realizes audible-visual annunciator's warning and the emergency shutdown of conveyer, avoids the material to pile up too much and causes the dangerous operation of equipment.

The material accumulation sensing device comprises an adjustable radar sensing switch 15 and a travel switch 10, the adjustable radar sensing switch 15 is arranged on the inner wall of the protective net 3 and is located above a protective cross beam 11 at the front end of the turn-back roller 9, and the adjustable radar sensing switch 15 is connected with the input end of the controller. Can pile up the material on the protection crossbeam 11, the material is piled up too much and can be dropped to conveyer belt 2 on can influence equipment safe operation, and adjustable radar inductive switch 15 senses and piles up too high material at protection crossbeam 11, and the power outage of controller control conveyer to control audible-visual annunciator 4 reports to the police.

Travel switch 10 has two, sets up respectively in the both ends of 14 leading flanks of strengthening rib, be equipped with connecting piece 13 on travel switch 10's the trigger piece, connecting piece 13 downwardly extending is to the band face top of bottom conveyer belt 2, is equipped with transverse connecting rod 12 between the lower extreme of both sides connecting piece 13, travel switch 10 with the input of controller is connected. When the materials stacked on the conveyor belt 2 reach a certain thickness, the stacked materials touch the transverse connecting rod 12, the transverse connecting rod 12 swings to pull the connecting piece 13 to trigger the travel switch 10, and the controller controls the power supply of the conveyor to be powered off and controls the audible and visual alarm 4 to be powered on.

The intelligent protection device is characterized in that a proximity switch 8 is arranged on the rack 1 on one side of the protection net 3, the proximity switch 8 is connected with the input end of the controller, an angle plate 7 is arranged on the proximity switch 8, and the angle plate 7 is arranged on the protection net 3. In the operation process of the equipment, after the protective net 3 meets external force, the angle plate 7 triggers the proximity switch 8, the controller controls the power supply of the conveyor to be powered off, and the audible and visual alarm 4 is controlled to be powered on.

The controller outside is equipped with control box 6, control box 6 sets up in frame 1, be equipped with brake button 5 on the cabinet door of control box 6, brake button 5 with the input of controller is connected, audible-visual annunciator 4 set up in on the outer wall of control box 6. The controller controls the power supply of the conveyor to be powered off by pressing the brake button 5.

The working principle is as follows: when the adjustable radar inductive switch 15 senses that materials are excessively accumulated on the protective cross beam 11, the transverse connecting rod 12 is triggered by the swing traction connecting piece 13 generated by the accumulated materials on the conveyor belt 2 to trigger the travel switch 10 and is triggered by the angle plate 7 after being subjected to external force, and the controller respectively controls the power supply of the conveyor to be powered off and the audible and visual alarm 4 to be powered on to alarm through the power switch when any one of the three conditions occurs. Furthermore, by pressing the brake button 5, the controller controls the conveyor power supply to be shut down in an emergency power-off mode through the power-on switch.

A band conveyer back roller protector, prevent through the protection network that operating personnel and conveyer in the operation from contacting, the material is piled up induction system and is formed the linkage with conveyer power and audible-visual annunciator respectively through the controller, the sweeps reaches to realize reporting to the police after storing up the upper limit and reminds and the conveyer stops transporting, prevents the bodily injury occurence of failure that the clearance operation in violation caused, ensures the safe and steady operation of personnel and equipment.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a band conveyer back roller protector, a serial communication port, includes frame (1), frame (1) end is equipped with back roller (9), be equipped with conveyer belt (2) on back roller (9), all be equipped with protection crossbeam (11) on frame (1) at both ends around back roller (9), on the frame of back roller (9) outside (1) be equipped with protection network (3), it piles up induction system to be equipped with the material in protection network (3), frame (1) one side is equipped with the controller, induction system is piled up with the material to the input of controller and is connected, one side of controller is equipped with audible-visual annunciator (4), audible-visual annunciator (4) and conveyer power are connected with the output of controller through the circular telegram switch respectively.

2. The belt conveyor turn roll protection device according to claim 1, characterized in that the material accumulation sensing device comprises an adjustable radar sensing switch (15), the adjustable radar sensing switch (15) is arranged on the inner wall of the protective screen (3) and is located above the protective cross beam (11) at the front end of the turn roll (9), and the adjustable radar sensing switch (15) is connected with the input end of the controller.

3. The belt conveyor turn-back roller protection device according to claim 1, wherein the material accumulation sensing device comprises a travel switch (10), the travel switch (10) is arranged on the inner wall of the protective screen (3), a connecting piece (13) is arranged on a trigger piece of the travel switch (10), the connecting piece (13) extends downwards to the position above the belt surface of the bottom conveyor belt (2), and the travel switch (10) is connected with the input end of the controller.

4. The belt conveyor turn-back roller protection device according to claim 3, characterized in that a reinforcing rib (14) is transversely arranged inside the protection net (3), the reinforcing rib (14) is arranged on the front side above a protection cross beam (11) at the front end of the turn-back roller (9), and the travel switch (10) is arranged on the reinforcing rib (14).

5. The belt conveyor turn-back roller protection device according to claim 1, wherein a proximity switch (8) is arranged on the frame (1) on one side of the protection net (3), the proximity switch (8) is connected with an input end of the controller, an angle plate (7) is arranged on the proximity switch (8), and the angle plate (7) is arranged on the protection net (3).

6. The device for protecting the return roller of the belt conveyor according to claim 1, wherein a control box (6) is arranged outside the controller, the control box (6) is arranged on the frame (1), a brake button (5) is arranged on a cabinet door of the control box (6), the brake button (5) is connected with an input end of the controller, and the audible and visual alarm (4) is arranged on an outer wall of the control box (6).