CN218950273U

CN218950273U - Self-rescue braking device on coal conveying belt

Info

Publication number: CN218950273U
Application number: CN202220921880.6U
Authority: CN
Inventors: 林开俊; 林松青; 李耀亮; 林婧; 刘佳豪; 李兆祥; 郑志鹏; 瞿理铭; 宋彩旭; 梁志超; 蔡梓航; 耿广阔
Original assignee: Huaneng Luoyuan Power Generation Co Ltd
Current assignee: Huaneng Luoyuan Power Generation Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2023-05-02
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a self-rescue braking device on a coal conveying belt, which belongs to the technical field of coal conveying machines and comprises a conveying belt support, conveying rollers are arranged on the conveying belt support at intervals along the conveying direction, a conveying belt is arranged on the conveying rollers, an emergency stop device is arranged on the side surface of the conveying belt on the conveying belt support, a door-shaped frame body spans over the conveying belt, two ends of the door-shaped frame are hinged to two sides of the conveying belt support, a trigger pull rope is arranged between the door-shaped frame and a trigger switch of the emergency stop device, and when a person falls down and swings a hand to grasp or block a large object on the conveying belt, the person can easily grasp or push a top cross bar of the door-shaped frame and push a distance, so that an emergency pull wire switch acts, and the emergency braking conveying belt is effectively pulled and prevented from happening.

Description

Self-rescue braking device on coal conveying belt

Technical Field

The utility model relates to the technical field of coal conveying machines, in particular to a self-rescue braking device on a coal conveying belt.

Background

Pull switches and pull ropes are arranged on two sides of an existing conveyor belt, and when danger occurs and emergency braking is needed, people in the vicinity pull the pull ropes to scram the conveyor belt. When the conveyer belt is overhauled, workers break rules and regulations, walk across and even on the coal conveyer belt, and carry materials; or cleaning materials on the conveyor belt to cause personal casualties. Because the pull switch and the pull rope are braked below the two sides of the conveying belt, when a person is on the conveying belt, the conveying belt is suddenly started, the person falls down immediately, cannot stand up for escape in time, no other articles can be grabbed on the conveying belt, and the person can be sent into the hopper in a short time; sometimes, during the operation of the conveyor belt, large articles fall or fall over the conveyor belt, failing to find a timely outage, the large articles being fed into the hoppers causing blockage or other failure of the hopper outlets.

Based on the self-rescue braking device on the coal conveying belt, the utility model designs a self-rescue braking device on the coal conveying belt to solve the problems.

Disclosure of Invention

The utility model aims to provide a self-rescue braking device on a coal conveying belt so as to solve the technical problems.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a self-rescue braking device on coal conveying belt, includes the conveyer belt support, the conveyer roller has been laid along the direction of delivery interval on the conveyer belt support, be provided with conveyer belt on the conveyer roller, be located conveyer belt side-mounting on the conveyer belt support and scram the device, still include portal frame, portal frame main part span in on the conveyer belt, portal frame both ends articulated install in conveyer belt support both sides, portal frame with be provided with the trigger stay cord between the trigger switch of scram the device.

Preferably, the portal frame comprises a middle cross rod section, two ends of the middle cross rod section are integrally connected with bent arm sections, the lower ends of the bent arm sections are provided with hinge rings, and two sides of the conveyor belt support are provided with fixing shafts which are in hinge fit with the hinge rings.

Preferably, a reset torsion spring is arranged between the fixed shaft and the hinge ring, a limit pin is arranged on the side wall of the conveyer belt support, and the bent arm section is in a reset state and abuts against the limit pin to limit by means of torsion of the reset torsion spring.

Preferably, the front side and the rear side of the bent arm section are respectively provided with a stay cord fixing lug for binding and fixing the trigger stay cord.

Compared with the prior art, the utility model has the beneficial effects that:

1. when an operator is on the conveyer belt, the conveyer belt is started by mistake, the operator can grab the portal frame before being sent into the ash bucket, and successfully pulls the pull wire of the emergency brake switch to work for self rescue;

2. the problems that large articles fall on a running conveyor belt, the large articles are contacted with a door-shaped frame and drive the frame to swing, the conveyor is stopped in time, and the large articles fall into a hopper to cause the hopper to be blocked and the like are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic side view of the present utility model;

FIG. 2 is a schematic cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the portal frame of the present utility model;

fig. 4 is a schematic diagram of the lateral trigger state structure of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the device comprises a conveying belt bracket, a 2-conveying roller, a 3-conveying belt, a 4-emergency stop device, a 5-portal frame, a 51-middle cross bar section, a 52-bent arm section, a 53-hinged ring, a 54-reset torsion spring, a 55-stay cord fixing lug and a 6-trigger stay cord.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments in the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a technical scheme that: the utility model provides a self-rescue arresting gear on coal conveying belt, including conveyer belt support 1, conveyer roller 2 has been laid along the direction of delivery interval on the conveyer belt support 1, be provided with conveyer belt 3 on the conveyer roller 2, be located conveyer belt 3 side-mounting on the conveyer belt support 1 and scram device 4, still include portal frame 5, portal frame 5 main part straddles on conveyer belt 3, portal frame 5 both ends are articulated install in conveyer belt support 1 both sides, concretely, portal frame 5 includes middle horizontal pole section 51, middle horizontal pole section 51 both ends an organic whole is connected with bent arm section 52, the lower extreme of bent arm section 52 is provided with articulated ring 53, conveyer belt support 1 both sides are provided with the fixed axle 11 with articulated cooperation of articulated ring 53, be provided with reset torsion spring 54 between fixed axle 11 and the articulated ring 53, be provided with spacing pin 12 on the conveyer belt support 1 lateral wall, be provided with trigger 6 between the trigger switch of portal frame 5 and scram device 4 under the state of being reset with the torsion of reset torsion spring 54 and spacing pin 12, trigger 6 is provided with behind the trigger 6 of scram device 4 is triggered the trigger 6 and is operated wherein and is cut off the power supply system behind the fixed to be provided with the fixed stop system of the dead end behind the dead end of stay wire section 55.

Working principle example:

as shown in fig. 4, when a person falls down on the conveyor belt and swings to grasp objects or large objects, the person can easily grasp or push the top cross bar of the door-shaped frame 5 and push the door-shaped frame 5 to swing from the position a to the position B for a certain distance, so that the trigger pull rope 6 is effectively pulled and the emergency stop device 4 is enabled to act, the conveyor belt is braked emergently, a safety event is avoided, and after the contact obstacle is broken, the door-shaped frame 5 is restored to the position a under the elastic force reset action of the reset torsion spring 54.

In the description of the utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or be integrated; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms in the utility model will be understood by those of ordinary skill in the art.

Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-rescue braking device on coal conveying belt, includes conveyer belt support (1), conveyer roller (2) have been laid along the direction of delivery interval on conveyer belt support (1), be provided with conveyer belt (3) on conveyer roller (2), be located conveyer belt (3) side-mounting on conveyer belt support (1) and have scram device (4), its characterized in that: the automatic emergency stop device is characterized by further comprising a door-shaped frame (5), wherein the main body of the door-shaped frame (5) stretches across the conveying belt (3), two ends of the door-shaped frame (5) are hinged to two sides of the conveying belt support (1), and a trigger pull rope (6) is arranged between the door-shaped frame (5) and a trigger switch of the emergency stop device (4).

2. The self-rescue braking device on a coal conveyor belt according to claim 1, wherein: the portal frame (5) comprises a middle cross rod section (51), bent arm sections (52) are integrally connected to two ends of the middle cross rod section (51), hinge rings (53) are arranged at the lower ends of the bent arm sections (52), and fixing shafts (11) which are in hinge fit with the hinge rings (53) are arranged on two sides of the conveying belt support (1).

3. The self-rescue braking device on a coal conveyor belt according to claim 2, wherein: a reset torsion spring (54) is arranged between the fixed shaft (11) and the hinge ring (53), a limit pin (12) is arranged on the side wall of the conveyor belt bracket (1), and the bent arm section (52) is in a reset state and abuts against the limit pin (12) to limit by means of the torsion of the reset torsion spring (54).

4. The self-rescue braking device on a coal conveyor belt according to claim 2, wherein: the front side and the rear side of the bent arm section (52) are respectively provided with a stay cord fixing lug (55) for binding and fixing the trigger stay cord (6).