Emergency stop device for belt conveyor

Abstract

The utility model is applicable to the technical field of safety accessories of belt conveyors, and provides an emergency stop device for a belt conveyor, which comprises a support frame, and a rubber conveying belt for conveying raw coal is arranged on the support frame; the emergency stop switch bodies are arranged on the two sides of the supporting frame and used for adjusting a switch of the rubber conveying belt; the adjusting rope is arranged on the emergency stop switch body, is used for providing an operation medium, and consists of a transparent plastic pipe arranged on the emergency stop switch body, a reinforcing rope fixed in the transparent plastic pipe and used for reinforcing the transparent plastic pipe, and an elastic element arranged on the transparent plastic pipe; and the LED lamp strip is arranged in the transparent plastic pipe and is used for indicating the position of the adjusting rope. According to the emergency stop device for the belt conveyor, personnel can conveniently and timely position the position of the pull rope of the emergency stop switch so as to quickly pull and stop the device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of safety accessories of belt conveyor, especially relates to a belt conveyor emergency stop device. BACKGROUND

[0002] The belt conveyor is a mechanical device for transporting materials by endless movement of the belt, which has the advantages of long transportation distance, large transportation capacity, small working resistance, easy installation, low power consumption and small wear, so that the belt conveyor is widely used, and the belt conveyor is also needed for raw coal transportation.

[0003] When the belt conveyor is used, the belt is prone to winding and entangling accidents, in order to reduce the loss, the existing technology designs an emergency stop switch, which can stop the belt from running by pulling the pull rope when the accident occurs, but the pull rope of the existing belt conveyor emergency stop switch is a simple rope body, the raw coal transportation environment has a lot of dust, the visibility of the pull rope is low, and personnel are difficult to determine the pull rope position in the first time and thus are prone to miss the emergency stop time. UTILITY MODEL CONTENTS

[0004] The utility model provides a belt conveyor emergency stop device, which aims at solving the problem of the existing belt conveyor emergency stop switch with a simple rope body, which is inconvenient for personnel to quickly position.

[0005] To solve the above problems, the utility model is realized in the following way, a belt conveyor emergency stop device, comprising: a support frame, the support frame is provided with a rubber conveyor belt for conveying raw coal; an emergency stop switch body for adjusting the rubber conveyor belt switch is arranged on both sides of the support frame; an adjusting rope for providing operating medium is installed on the emergency stop switch body, the adjusting rope is composed of a transparent plastic pipe installed on the emergency stop switch body, a reinforcing rope fixed in the transparent plastic pipe for strengthening the transparent plastic pipe, and an LED lamp strip installed in the transparent plastic pipe for indicating the position of the adjusting rope; an alarm lamp is fixed on the shell of the emergency stop switch body for indicating the position of the emergency stop switch body.

[0006] Preferably, a fixed plate is installed on the support frame, a sliding groove is arranged on the fixed plate, a sliding block is slidingly installed in the sliding groove, a brush plate in contact with the adjusting rope is installed on the top of the sliding block, and the brush plate is used for removing dust attached to the adjusting rope.

[0007] Preferably, a threaded rod is threadedly connected with the sliding block and is rotatably installed at the bottom of the fixed plate, a stepping motor is installed on the support frame for driving the threaded rod to rotate, and the output shaft of the stepping motor is connected with the threaded rod.

[0008] Preferably, the top of the support frame is provided with a mounting frame, a isolation plate for intercepting the falling staff on the rubber conveyor belt and a electric telescopic rod for adjusting the angle of the isolation plate are hinged on the mounting frame, and the output rod of the electric telescopic rod is hinged with the isolation plate.

[0009] Preferably, the support frame is fixed with a fixed frame, and an infrared thermal imager for monitoring the passing staff is arranged on the bottom of the fixed frame, and the distance between the fixed frame and the mounting frame is not less than two meters.

[0010] Preferably, the isolation plate is provided with an opening, and an isolation railing for providing a stable holding point is arranged in the opening, and the bottom of the isolation plate can be in contact with the top of the rubber conveyor belt.

[0011] Preferably, the support frame and the fixed frame are both provided with a battery box, and two electric wires are arranged on the battery box of the support frame, and the two electric wires are connected with the LED lamp strip and the alarm lamp respectively.

[0012] Compared with the related art, the emergency stop device for the belt conveyor has the following advantages

[0013] Beneficial effects:

[0014] Compared with the prior art, the emergency stop device for the belt conveyor is combined by the emergency stop switch body and the adjusting rope, so that the operator can quickly find and operate the emergency stop device in an emergency, effectively avoiding safety accidents caused by inconvenient operation or delay, the combination of the transparent plastic tube, the reinforcing rope and the LED lamp strip not only protects the adjusting rope from damage by the external environment, but also greatly improves the visibility and durability, ensures the reliability and accuracy of operation in an emergency, the introduction of the automatic cleaning system realizes the overall automatic cleaning of the adjusting rope through the precise control of the stepping motor and the threaded rod, reduces the operation difficulty caused by dust adhesion, and further improves the reliability and response speed of the emergency stop device, the cooperation of the isolation plate and the electric telescopic rod provides an effective safety barrier for the belt conveyor, in an emergency, the isolation plate can timely intercept the falling staff, prevent the staff from being rolled into the running rubber conveyor belt, and greatly reduce the risk of personnel injury. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a top view structure schematic view of the emergency stop device for the belt conveyor provided by the utility model;

[0016] Figure 2 is a front view sectional structure schematic view of the adjusting rope in the utility model;

[0017] Figure 3It is the main view structural schematic drawing of the fixed frame in the utility model;

[0018] Figure 4 It is Figure 1 It is the enlarged structural schematic drawing of A part shown in the utility model;

[0019] Figure 5 It is the assembly structural schematic drawing of the fixed plate, the brush plate, the sliding block, the threaded rod and the servo motor in the utility model.

[0020] Reference signs: 1, support frame;2, emergency stop switch body 2;3, adjusting rope;4, battery box;5, alarm lamp;6, transparent plastic tube;7, reinforcing rope;8, LED lamp strip;9, mounting frame;10, electric telescopic rod;11, isolation plate;12, rubber conveyor belt;13, isolation rail;14, fixed frame;15, infrared thermal imager;16, electric wire;17, fixed plate;18, sliding groove;19, brush plate;20, threaded rod;21, stepping motor;22, sliding block. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above discussion of the related art are intended to be illustrative only and not restrictive on the application; the terminology used in the description of the application herein is for the purpose of describing the particular embodiments only and is not intended to be limiting of the application; the terms "comprising," "comprises" and "including", "includes" as used herein, are meant to be equivalent to the term "including" or "includes" when used in claiming the application; the terms "first", "second", and the like, as used herein do not have any specific meaning, but are used only for the purpose of differentiating between two separate objects; the terms "inner", "outer", "left", "right", "up", "down", "over", "under", "front", "rear", "right", "left", "horizontal", "vertical", "top", "bottom", "lateral", "longitudinal", and "axial" as used herein, refer to the orientation or position shown in the drawings, and are only used for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0022] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the embodiments described herein are combinable.

[0023] The utility model embodiment provides a kind of emergency stop device for belt conveyor, such as Figures 1-5As shown, the belt conveyor emergency stop device comprises a support frame 1, a rubber conveyor belt 12 for conveying raw coal is arranged on the support frame 1, an emergency stop switch body 2 for adjusting the opening and closing of the rubber conveyor belt 12 is arranged on both sides of the support frame 1, an adjusting rope 3 for providing an operating medium is installed on the emergency stop switch body 2, the adjusting rope 3 is composed of a transparent plastic pipe 6 installed on the emergency stop switch body 2, a reinforcing rope 7 fixed in the transparent plastic pipe 6 for strengthening the transparent plastic pipe 6, and an LED light strip 8 installed in the transparent plastic pipe 6 for indicating the position of the adjusting rope 3, and an alarm lamp 5 fixed on the shell of the emergency stop switch body 2 for indicating the position of the emergency stop switch body 2.

[0024] In the embodiment, the support frame 1 serves as the basic structure of the entire belt conveyor, is used for supporting and installing the rubber conveyor belt 12 and other related components, and ensures the stability and safe operation of the belt conveyor, the emergency stop switch body 2 (for example, an HFKLT2-2 belt conveyor emergency stop switch) is used for stopping the operation of the rubber conveyor belt 12 in an emergency, improves the safety of the belt conveyor, and can quickly respond in the event of an accident, the adjusting rope 3 serves as the operating medium of the emergency stop switch body 2, and the switch state is adjusted by pulling, the transparent plastic pipe 6, the reinforcing rope 7 and the LED light strip 8 are combined, the transparent plastic pipe 6 protects the reinforcing rope 7 and the LED light strip 8 and improves the visibility, the reinforcing rope 7 enhances the strength and durability of the adjusting rope 3, the LED light strip 8 emits light in the transparent plastic pipe 6 and indicates the position of the adjusting rope 3, improves the visibility and durability of the adjusting rope 3, and enables personnel to quickly find and pull the adjusting rope 3 in an emergency, so that the emergency stop switch is triggered, and the alarm lamp 5 is lighted when the emergency stop switch is triggered, can quickly attract the attention of personnel, and further improves the safety of the belt conveyor.

[0025] In the further preferred embodiment of the utility model, the support frame 1 is provided with a fixed plate 17, the fixed plate 17 is provided with a sliding groove 18, a sliding block 22 is slidably installed in the sliding groove 18, the top of the sliding block 22 is provided with a brush plate 19 in contact with the adjusting rope 3, and the brush plate 19 is used for removing dust attached to the adjusting rope 3.

[0026] In the embodiment, the fixed plate 17 provides a stable mounting position for the sliding groove 18 and the components thereon, the sliding groove 18 allows the sliding block 22 and the brush plate 19 thereon to move freely in the length direction of the adjusting rope 3 to adapt to different cleaning requirements, the sliding block 22 drives the brush plate 19 to move through sliding movement, realizes comprehensive cleaning of the adjusting rope 3, improves the visibility and operation convenience of the adjusting rope 3, and ensures that personnel can quickly find and pull the adjusting rope 3 in an emergency.

[0027] The bottom of the fixed plate 17 is rotatably provided with a threaded rod 20 connected with the sliding block 22, and a stepping motor 21 is installed on the support frame 1 and used to drive the threaded rod 20 to rotate, and the output shaft of the stepping motor 21 is connected with the threaded rod 20.

[0028] In the embodiment, the fixed plate 17 is used to install the threaded rod 20 in addition to being used as the base of the sliding groove 18, and the threaded rod 20 rotatably installed at the bottom is connected with the sliding block 22 through screw thread connection, so that the sliding block 22 and the brush plate 19 thereon can be accurately controlled, when the threaded rod 20 rotates, the sliding block 22 will move along the axial direction of the threaded rod 20 in the sliding groove 18 due to the screw thread connection, so as to drive the brush plate 19 to clean the adjusting rope 3 comprehensively, the stepping motor 21 has the characteristics of accurate rotation control, and the rotation angle and speed of the threaded rod 20 can be accurately adjusted according to the requirement, so that the position of the sliding block 22 and the brush plate 19 can be accurately controlled, and the automatic cleaning mode not only improves the cleaning efficiency, but also reduces the complexity and danger of manual operation.

[0029] In the further preferable embodiment of the utility model, the top of the support frame 1 is provided with a mounting frame 9, the mounting frame 9 is hingedly provided with an isolation plate 11 used for intercepting the staff falling on the rubber conveyor belt 12 and an electric telescopic rod 10 used for adjusting the angle of the isolation plate 11, and the output rod of the electric telescopic rod 10 is hingedly connected with the isolation plate 11.

[0030] In the embodiment, the mounting frame 9 further expands the function of the support frame 1, improves the overall safety and practicability of the belt conveyor, the mounting frame 9 provides a stable mounting position for the isolation plate 11 and the electric telescopic rod 10, ensures that they can normally work and play the expected safety role, in the case of emergency, such as the staff falling by accident, the isolation plate 11 can timely intercept to prevent the staff from directly moving to the discharging end of the rubber conveyor belt 12, so that the risk of personnel injury is greatly reduced, the electric telescopic rod 10 can accurately adjust the angle of the isolation plate 11 according to the requirement, ensures that the isolation plate 11 can play the best safety effect under different working conditions, and meanwhile, the electric control improves the convenience and accuracy of operation.

[0031] In the further preferable embodiment of the utility model, the support frame 1 is fixedly provided with a fixed frame 14, the bottom of the fixed frame 14 is provided with an infrared thermal imager 15 used for monitoring the staff passing, and the distance between the fixed frame 14 and the mounting frame 9 is not less than two meters.

[0032] In this embodiment, the function of the support frame 1 is further expanded through the fixing frame 14, which improves the intelligentization and safety monitoring capability of the belt conveyor, the fixing frame 14 provides a stable mounting position for the infrared thermal imager 15 (taking the UTi260Ex infrared thermal imager as an example), which ensures that it can work normally and accurately monitor the situation of the staff passing through (the belt conveyor keeps moving when the staff turns over the raw coal with a spade, and the staff may be brought into the belt conveyor and move with the raw coal, so it is difficult for the staff to pull the adjusting rope 3 in time), the infrared thermal imager 15 can monitor in real time whether the staff is rolled onto the belt conveyor, which facilitates the start and stop of the electric telescopic rod 10 in time, prevents the staff from entering the dangerous area or other safety accidents, and the spacing setting can ensure that the staff has sufficient time to extend the output rod of the electric telescopic rod 10 before moving to the isolation plate 11, so that the isolation plate 11 is in a closed state when the staff moves to the mounting frame 9, preventing the staff from continuing to move forward with the rubber conveyor belt 12 and causing danger.

[0033] In a further preferred embodiment of the utility model, the isolation plate 11 is provided with an opening, and a isolation fence 13 for providing a stable holding point is arranged in the opening.

[0034] In this embodiment, the design of the opening and the isolation fence 13 provides a stable holding point for the staff, so that in an emergency, the staff can hold the isolation fence 13 more safely to avoid falling, and the bottom of the isolation plate 11 can be in contact with the top of the rubber conveyor belt 12, further enhancing its interception effect and reducing the risk of falling.

[0035] In a further preferred embodiment of the utility model, the support frame 1 and the fixing frame 14 are both provided with a battery box 4, and two electric wires 16 are arranged on the battery box 4 on the support frame 1, and the two electric wires 16 are connected with the LED light belt 8 and the alarm lamp 5 respectively.

[0036] In this embodiment, the introduction of the battery box 4 makes the safety protection system no longer dependent on external power supply, improves the independence and emergency response capability of the system, and at the same time, it also reduces the risk of system failure caused by power failure, the electric wires 16 as the medium for transmitting electric energy ensure that the LED light belt 8 and the alarm lamp 5 can work normally, and their existence makes the visual warning and alarm function of the safety protection system be realized, which improves the visibility and response speed of the system.

[0037] In summary, compared with the related art, the device, by the combination design of the emergency stop switch body 2 and the adjusting rope 3, enables the operator to quickly find and operate the emergency stop device in an emergency, effectively avoiding safety accidents caused by inconvenient operation or delay, the combination of the transparent plastic tube 6, the reinforcing rope 7 and the LED lamp strip 8 not only protects the adjusting rope 3 from damage from the external environment, but also greatly improves the visibility and durability thereof, ensuring the reliability and accuracy of operation in an emergency, the introduction of the automatic cleaning system realizes the overall automatic cleaning of the adjusting rope 3 through the precise control of the stepping motor 21 and the threaded rod 20, reduces the operation difficulty caused by dust adhesion, further improves the reliability and response speed of the emergency stop device, and the cooperation of the isolation plate 11 and the electric telescopic rod 10 provides an effective safety barrier for the belt conveyor, in an emergency, the isolation plate 11 can timely intercept the falling worker to prevent him from being rolled into the running rubber conveyor belt 12, thereby greatly reducing the risk of personal injury.

[0038] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also belong to the scope of the present application.

Claims

1. An emergency stop device for a belt conveyor, characterized in that Including: Support frame, which is provided with a rubber conveyor belt for conveying raw coal; An emergency stop switch body is arranged on both sides of the support frame for adjusting the opening and closing of the rubber conveyor belt; An adjusting rope is installed on the emergency stop switch body for providing operating medium, the adjusting rope is composed of a transparent plastic tube installed on the emergency stop switch body, a reinforcing rope fixed in the transparent plastic tube for strengthening the transparent plastic tube, and an LED light strip installed in the transparent plastic tube for indicating the position of the adjusting rope; An alarm lamp is fixed on the shell of the emergency stop switch body for indicating the position of the emergency stop switch body.

2. The emergency stop device for a belt conveyor according to claim 1, wherein A fixed plate is installed on the support frame, the fixed plate is provided with a sliding groove, a sliding block is slidingly installed in the sliding groove, a brush plate in contact with the adjusting rope is installed on the top of the sliding block, and the brush plate is used to remove dust attached to the adjusting rope.

3. The emergency stop device for a belt conveyor according to claim 2, wherein A threaded rod is rotatably installed at the bottom of the fixed plate and is in threaded connection with the sliding block, a stepping motor is installed on the support frame for driving the threaded rod to rotate, and the output shaft of the stepping motor is connected with the threaded rod.

4. The emergency stop device for a belt conveyor according to claim 1, wherein An installation frame is installed on the top of the support frame, a isolation plate for intercepting workers falling on the rubber conveyor belt and a electric telescopic rod for adjusting the angle of the isolation plate are hingedly connected to the installation frame, and the output rod of the electric telescopic rod is hingedly connected with the isolation plate.

5. The emergency stop device for a belt conveyor according to claim 4, wherein A fixed frame is fixed on the support frame, an infrared thermal imager for monitoring the passage of workers is installed at the bottom of the fixed frame, and the distance between the fixed frame and the installation frame is not less than two meters.

6. The emergency stop device for a belt conveyor according to claim 4, wherein An opening is arranged on the isolation plate, a isolation fence for providing a stable gripping point is arranged in the opening, and the bottom of the isolation plate can be in contact with the top of the rubber conveyor belt.

7. The emergency stop device for a belt conveyor according to claim 5, wherein Battery boxes are installed on the support frame and the fixed frame, two electric wires are installed on the battery box on the support frame, and the two electric wires are respectively connected with the LED light strip and the alarm lamp.

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