CN219822737U - Blocking detection device for chute access door of belt conveyor - Google Patents

Abstract

A blocking detection device for a chute access door of a belt conveyor belongs to the technical field of chute equipment of the belt conveyor and is used for detecting blocking of a chute. The technical proposal is as follows: the door plant middle part of chute access door is opened there is square overflow mouth, and the hinge is installed to the upper end of overflow mouth, detects the baffle and is square board, detects the upper end of baffle and be connected with the hinge, detects the face of baffle and covers on the overflow mouth of chute access door, detects the outside one side welding of face of baffle and has the trigger iron, installs proximity switch on the door plant in the overflow mouth outside of chute access door, proximity switch and triggers iron looks actuation. The utility model has simple structure and convenient use, can be refitted by utilizing the existing chute access door, has no influence on the chute structure, has less post maintenance workload, can timely find the blockage faults of the chute, reminds workers to process, and improves the production operation efficiency.

Description

Blocking detection device for chute access door of belt conveyor

Technical Field

The utility model relates to a blocking detection device for a chute access door of a bulk material belt conveyor, and belongs to the technical field of chute equipment of belt conveyors.

Background

The belt conveyor is a large-scale operation device of a coal port, and when in operation, materials are conveyed through the chute by the upstream belt conveyor to reach the ground belt conveyor. In the process that the materials pass through the chute, once the materials are blocked, the operation can be stopped temporarily, and the blocked materials can be cleaned manually to recover the operation. In a coal port, the occurrence of a blockage fault is related to various environments and artificial factors such as coal impurities, coal types, seasonal factors, material flow and the like, so that the complete avoidance of the blockage fault caused by a hopper is almost impossible. In order to find out the blocking phenomenon in time, a chute blocking detection device is usually required to be installed on the side wall of the chute. The chute putty detection device that current is commonly used is flat putty switch, installs in the inside certain height of funnel, is close to the entry, and this flat putty switch comprises electronic circuit and probe two parts, and electronic circuit includes high frequency oscillator, detection circuit, output circuit, and the probe comprises detection sensor and protective sheath, and this kind of flat putty switch is applicable to the condition of funnel head putty. But the space inside the chute below the funnel just meets the passing of the material, and the space is narrower than the funnel part. The space for installing the flat plate type blocking switch is limited, and the blocking switch is easy to trigger by mistake due to materials, so that the blocking switch is not suitable for detecting blocking of a chute part. In the running process of equipment, the blocking often happens from bottom to top, and it is also important to detect the blocking of the lower chute part. The chute shape is the cuboid, and the welt is equipped with to three medial surface of chute, can't install detection device, and another side-mounting has the chute access door, and the effect of chute access door is inside the access chute, consequently install putty detection device on the chute access door be the most feasible and the most convenient mode.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the blockage detection device for the chute access door of the belt conveyor, which is installed on the chute access door, has simple and easy installation, has no influence on the chute structure, can give an alarm in time when blockage occurs, and reminds workers to treat.

The technical scheme for solving the technical problems is as follows:

the utility model provides a putty detection device of band conveyer chute access door, it includes the chute access door, detect the baffle, trigger iron, proximity switch, open at the door plant middle part of chute access door has square overflow mouth, the hinge is installed to the upper end of overflow mouth, detect the baffle for square plate, detect the upper end of baffle and be connected with the hinge, detect the face of baffle and cover on the overflow mouth of chute access door, detect the outside one side welding of face of baffle and have trigger iron, install proximity switch on the door plant in the overflow mouth outside of chute access door, proximity switch and trigger iron actuation mutually.

Above-mentioned putty detection device of band conveyer chute access door, the face both sides of detecting the baffle have triangle-shaped side respectively, and the face lower extreme of detecting the baffle has horizontal base, and the side is connected with the base, and side and base constitute a braced frame in the bottom surface of detecting the baffle, and the outside edge of braced frame contacts with the face of the chute access door of overflow mouth periphery.

Above-mentioned putty detection device of band conveyer chute access door, the welding has spacing iron on the chute access door of detecting the baffle below, and spacing iron is L type pole, and the stock of spacing iron's L type pole and the perpendicular welded connection of the face of chute access door, the stock of spacing iron's L type pole is located the below that detects the baffle, and the stock of spacing iron's L type pole is perpendicular upwards, and the stock of spacing iron's L type pole is located the place ahead that detects the baffle, and the length of the stock of spacing iron's L type pole and the outside travel distance phase-match that detects the baffle.

The beneficial effects of the utility model are as follows:

the detection baffle plate is covered on the overflow port of the chute access door, the detection baffle plate is connected with the chute access door through the hinge, and when the chute is blocked, the material can push the detection baffle plate to rotate and flow out of the overflow port; the trigger iron on the detection baffle is separated from the proximity switch when moving forwards, and the proximity switch is triggered to alarm; the detection baffle has a certain inclination angle, so that the detection baffle can be closed by gravity, and the probability of false triggering is reduced; the limit iron can control the opening amplitude of the detection baffle plate to prevent a large amount of materials from flowing out.

The utility model has simple structure and convenient use, can be refitted by utilizing the existing chute access door, has no influence on the chute structure, has less post maintenance workload, can timely find the blockage faults of the chute, reminds workers to process, and improves the production operation efficiency.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is a front view of fig. 2.

The figures are labeled as follows: funnel 1, chute 2, chute access door 3, detection baffle 4, trigger iron 5, proximity switch 6, spacing iron 7, hinge 8, side 9.

Description of the embodiments

The utility model consists of a chute access door 3, a detection baffle 4, trigger iron 5, a proximity switch 6 and a limit iron 7.

The figure shows that the lower part of the funnel 1 is provided with a chute 2, the chute 2 is in a cuboid shape, three inner side surfaces of the chute 2 are provided with lining plates, a detection device cannot be installed, the other side surface is provided with a chute access door 3, the chute access door 3 is used for overhauling the inside of the chute, and therefore, the installation of a blocking detection device on the chute access door 3 is the most feasible and convenient mode.

In the figure, a square overflow port is formed in the middle of a door plate of the chute access door 3, a hinge 8 is arranged at the upper end of the overflow port, the upper end of the detection baffle 4 is connected with the hinge 8, the detection baffle 4 can rotate through the hinge 8, and the plate surface of the detection baffle 4 is covered on the overflow port of the chute access door 3.

In the figure, the detection baffle 4 is a square plate, two sides of the plate surface of the detection baffle 4 are respectively provided with a triangular side edge 9, the lower end of the plate surface of the detection baffle 4 is provided with a horizontal bottom edge, the side edges are connected with the bottom edge, the side edge 9 and the bottom edge form a supporting frame on the bottom surface of the detection baffle 4, and the outer side edge of the supporting frame is contacted with the plate surface of the chute access door 3 at the periphery of the overflow port. The structure can enable the detection baffle 4 to have a certain inclination angle, and can enable the detection baffle 4 to be closed by gravity, so that the probability of false triggering is reduced.

In the figure, trigger iron 5 is welded on one side of the outer part of the plate surface of the detection baffle 4, and a proximity switch 6 is arranged on a door plate on the outer side of an overflow port of the chute access door 3. The proximity switch 6 is a suction type proximity switch, and under normal conditions, the proximity switch 6 is sucked with the trigger iron 5 and is in a stable state; when the detection baffle 4 moves outwards, the trigger iron 5 moves forwards along with the detection baffle to be separated from the proximity switch 6, and the proximity switch 6 is triggered to alarm.

In the figure, the chute access door 3 below the detection baffle 4 is welded with a limit iron 7, the limit iron 7 is an L-shaped rod, a long rod of the L-shaped rod of the limit iron 7 is vertically welded with the plate surface of the chute access door 3, the long rod of the L-shaped rod of the limit iron 7 is positioned below the detection baffle 4, a short rod of the L-shaped rod of the limit iron 7 is vertically upwards, the short rod of the L-shaped rod of the limit iron 7 is positioned in front of the detection baffle 4, and the length of the long rod of the L-shaped rod of the limit iron 7 is matched with the outward moving distance of the detection baffle 4. The limit iron 7 can control the opening amplitude of the detection baffle 4 to prevent a large amount of materials from flowing out.

The application process of the utility model is as follows:

when the chute 2 is blocked, materials outwards swell from an overflow port of the chute access door 3, the materials outwards push a detection baffle 4 at the overflow port, the detection baffle 4 rotates around a hinge 8, the lower part of the detection baffle 4 outwards moves, the materials flow out from the lower part of the detection baffle 4, and when the detection baffle 4 outwards moves, the detection baffle 4 drives a trigger iron 5 to be separated from a proximity switch 6, and the proximity switch 6 is triggered to give an alarm to remind workers of processing blocked materials. The limit iron 7 can limit the opening angle of the detection baffle 4, so that the material cannot overflow from the detection baffle 4 excessively.

One embodiment of the utility model is as follows:

the length of the chute access door 3 is 800mm, and the width is 800mm;

the length of the detection baffle 4 is 300mm, the width is 300mm, and the width of the lower end of the side edge 9 is 90mm;

the length of the trigger iron 5 is 100mm, and the width is 30mm;

the model of the proximity switch 6 is NBB 20-L2-Z0-V1\x;

the length of the long rod of the L-shaped rod of the limiting iron 7 is 150mm, and the length of the short rod is 60mm.

Claims (3)

1. The utility model provides a putty detection device of band conveyer chute access door which characterized in that: the novel automatic detection device comprises a chute access door (3), a detection baffle (4), a trigger iron (5) and a proximity switch (6), wherein a square overflow port is formed in the middle of a door plate of the chute access door (3), a hinge (8) is arranged at the upper end of the overflow port, the detection baffle (4) is a square plate, the upper end of the detection baffle (4) is connected with the hinge (8), the plate surface of the detection baffle (4) is covered on the overflow port of the chute access door (3), the trigger iron (5) is welded on one side of the outer side of the plate surface of the detection baffle (4), the proximity switch (6) is arranged on the door plate outside the overflow port of the chute access door (3), and the proximity switch (6) is in attraction with the trigger iron (5).

2. The blockage detection apparatus for a belt conveyor chute access door as in claim 1 wherein: the two sides of the board surface of the detection baffle plate (4) are respectively provided with triangular side edges (9), the lower end of the board surface of the detection baffle plate (4) is provided with a horizontal bottom edge, the side edges (9) are connected with the bottom edge, the side edges (9) and the bottom edge form a supporting frame on the bottom surface of the detection baffle plate (4), and the outer side edges of the supporting frame are in contact with the board surface of the chute access door (3) at the periphery of the overflow port.

3. The blockage detection apparatus for a belt conveyor chute access door as in claim 1 wherein: the chute access door (3) of detection baffle (4) below is gone up the welding and is had spacing iron (7), spacing iron (7) are L type pole, the stock of the L type pole of spacing iron (7) is welded with the perpendicular welded connection of face of chute access door (3), the stock of the L type pole of spacing iron (7) is located the below of detection baffle (4), the quarter butt of the L type pole of spacing iron (7) is perpendicular upwards, the quarter butt of the L type pole of spacing iron (7) is located the place ahead of detection baffle (4), the length of the stock of the L type pole of spacing iron (7) and the outside travel distance phase-match of detection baffle (4).