CN214607537U - Intelligent induction pneumatic car arrester for mine - Google Patents

Abstract

The utility model provides a mining pneumatic car arrester of intelligence response relates to mine transportation equipment technical field, has solved the safety problem of car arrester switching in-process. The car arrester comprises a base frame, a cylinder, a rotating rod, a fixed shaft, a blocking claw, a control reversing valve and a pressure sensor, wherein the cylinder and the control reversing valve are arranged in a protective cover arranged on one side of the base frame, and a single chip microcomputer is also arranged in the protective cover; the pressure sensor is arranged on a track of the mine car and transmits monitoring information to the single chip microcomputer; the cylinder is connected with the rotating rod, a plurality of blocking claws are arranged on the rotating rod, and the blocking claws are connected through a fixed shaft; one end of the blocking claw is wrapped with a spongy cushion, and the other end of the blocking claw is provided with a blocking piece. The car arrester utilizes the mutual cooperation of the pressure sensor, the single chip microcomputer and the like, realizes the automatic blocking of the mine car, ensures the reliability and the safety of the car arrester through the flexible rotation of the blocking claw, avoids the abrasion of a steel wire rope, and has the advantages of simple structure, convenience in maintenance, long service life and the like.

Description

Intelligent induction pneumatic car arrester for mine

Technical Field

The utility model belongs to the technical field of mine transportation equipment technique and specifically relates to a mining pneumatic car arrester of intelligence response is provided.

Background

The inclined shaft rail transportation is an important component of mine transportation and an important link of coal mine safety production, and the inclined shaft is burdened with tasks of lifting coal, rocks, lowering equipment materials and the like. According to the requirements of coal mine safety regulations, safety measures of 'one slope three gears' must be set in the transportation process of the inclined shaft, namely a car stopping fence, an automatic anti-running device and a car arrester. The car arrester is a mechanical device which is arranged below a wellhead and used for preventing a mine car from sliding down due to out of control, and is divided into a normally open type and a normally closed type, so that the sliding down of the mine car can be effectively prevented, and major accidents are avoided. The car arrester is also called as a parking device, and is one of important facilities of a coal mine transportation system.

At present, a car arrester at a variable slope point of a parking lot on an inclined shaft roadway under a mine adopts a horizontal brake mode, and when a vehicle is lifted and transported by a horizontal brake under a normally closed state in the using process, a steel wire rope tightens the middle of the horizontal brake, so that the steel wire rope is seriously abraded. When the car arrester in the prior art is operated, the operating handle must be moved by hand, and certain potential safety hazards exist. The handle is not easy to lock, and the car arrester can be knocked open in the process of repeated collision of the mine car, so that potential safety hazards are caused; in addition, the manual car arrester has more parts and is more complex to process.

SUMMERY OF THE UTILITY MODEL

Reduce wire rope's wearing and tearing in order to promote car arrester's reliability and security, the utility model provides a mining pneumatic car arrester of intelligence response, concrete technical scheme as follows.

An intelligent induction pneumatic car arrester for a mine comprises a base frame, a cylinder, a rotating rod, a fixed shaft, a blocking claw, an operation and control reversing valve and a pressure sensor, wherein the cylinder and the operation and control reversing valve are arranged in a protective cover arranged on one side of the base frame, and a single chip microcomputer is further arranged in the protective cover; the pressure sensor is arranged on a track of the mine car and transmits monitoring information to the single chip microcomputer; the cylinder is connected with the rotating rod, a plurality of blocking claws are arranged on the rotating rod, and the blocking claws are connected through a fixed shaft; one end of the blocking claw is wrapped with a spongy cushion, and the other end of the blocking claw is provided with a blocking piece.

Preferably, the protection cover is an iron shell, and the singlechip, the cylinder and the control reversing valve are contained in the protection cover in a combined mode.

Preferably, the pressure sensor is connected with the single chip microcomputer, the single chip microcomputer is connected with the control reversing valve, and the control reversing valve controls the air cylinder to act.

It is also preferable that both ends of the rotating rod are respectively matched with the mounting seats, and the rotating rod is fixedly connected with the end part of the blocking claw.

It is also preferable that the blocking claw rotates within the range of 0-90 degrees, and when the blocking claw rotates to be perpendicular to the track, the blocking piece of the blocking claw is clamped with the fixed baffle.

It is also preferred that the distance between the pressure sensor and the mounting position of the blocking pawl is greater than 5 m.

Still further preferably, the thickness that hinders the claw is greater than 5mm, hinders one side of claw and is provided with the right angle limit, and the opposite side is provided with the arc limit.

The utility model provides an intelligent induction pneumatic car arrester for mine, which has the advantages that the running position of a mine car can be accurately sensed by arranging a pressure sensor, a blocking claw is raised in advance, and automatic car stopping is realized; the single chip microcomputer controls the reversing valve to further control the cylinder to work, the cylinder drives the rotating rod to work, and the blocking claw is controlled to rotate or reset; the sponge cushion arranged on the blocking claw can effectively reduce the impact of the mine car on the blocking claw, and the protective cover protects the single chip microcomputer, the air cylinder and the control reversing valve, so that the durability of the car arrester is ensured, and the service life of the car arrester is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent induction pneumatic car arrester for a mine;

FIG. 2 is a schematic side view of the car arrester;

FIG. 3 is a schematic view of a car arrester mounting structure of the inclined shaft track;

in the figure: 1-base frame, 2-cylinder, 3-rotating rod, 4-fixed shaft, 5-blocking claw, 6-control reversing valve, 7-pressure sensor, 8-mounting seat, 9-fixed baffle and 10-roadway.

Detailed Description

The specific implementation of the intelligent induction pneumatic car arrester for mining provided by the invention is described with reference to fig. 1 to 3.

The utility model provides a mining pneumatic car arrester of intelligence response, includes bed frame 1, cylinder 2, dwang 3, fixed axle 4, hinders claw 5, controls switching-over valve 6, pressure sensor 7, and 1 fixed connection of bed frame is on the mine car track, and 2 drive dwangs of cylinder rotate, hinder claw 5 and rotate to the completion of suitable position and hinder the car. The cylinder 2 and the control reversing valve 6 are arranged in a protective cover arranged on one side of the frame, and a single chip microcomputer is further arranged in the protective cover. The pressure sensor 7 is arranged on a track of the mine car, the pressure sensor 7 transmits monitoring information to the single chip microcomputer, and the single chip microcomputer judges whether the car needs to be stopped according to monitoring of the pressure sensor 7, so that the air cylinder is controlled to rotate. The cylinder links to each other with the dwang, disposes a plurality of claws that hinder on the dwang, hinders and connect through the fixed axle between the claw 5, and fixed axle 4 has guaranteed to hinder the holistic structural strength of claw 5. One end of the blocking claw 5 is wrapped by a spongy cushion to buffer the impact of the blocking claw 5, and the other end is provided with a blocking piece to limit the rotation of the blocking claw.

Wherein, the safety cover is the iron-clad, and singlechip, cylinder and the combination of controlling the switching-over valve are accomodate in the safety cover, reduce the influence and the damage of environment to precision instruments such as singlechip, have prolonged the life of car arrester.

The pressure sensor 7 is connected with the single chip microcomputer, the single chip microcomputer is connected with the control reversing valve 6, the control reversing valve 6 controls the cylinder 2 to act, the single chip microcomputer and the pressure sensor 7 can realize automatic control of the car arrester, and the arresting claw is automatically lifted to block the mine car from advancing when the mine car is sensed to pass through; after the pressure is relieved, the pressure automatically returns to the initial state, and the labor intensity of operators is reduced.

The both ends of dwang 3 cooperate with the mount pad respectively, guarantee the effective rotation of dwang, and the tip fixed connection of dwang 3 and hindering claw 5 can be that modes such as welding, riveting or grafting are fixed, and dwang 3 can also set up the stability that the strengthening rib guaranteed the structure with hindering between the claw 5.

The blocking claw 5 rotates in the range of 0-90 degrees, and when the blocking claw 5 rotates to be vertical to the track, the blocking piece of the blocking claw 5 is clamped with the fixed baffle. The distance between the pressure sensor 7 and the installation position of the blocking claw is larger than 5 m. The thickness of hindering claw 5 is greater than 5mm, hinders one side of claw 5 and is provided with the right angle limit, and the opposite side is provided with the arc limit. The blocking claw 5 is arranged in the center of the tramcar track, and the height of the blocking claw is larger than that of the tramcar track when the blocking claw rotates to be vertical to the tramcar track. The pressure sensor and the car arrester are arranged at a certain distance, so that whether a mine car passes through can be judged, and the car arrester can be lifted in time.

After the car arrester is installed, the pressure sensor is arranged below the track and connected with the single chip microcomputer in the protective cover provided with the air cylinder; in a static state, the blocking claw is parallel to the track, and the cylinder, the operation reversing valve and the rotating rod do not work; when the pressure sensor detects that a mine car passes through the inclined roadway vehicle channel, the air cylinder starts to be inflated, the rotating rod is driven to rotate, the rotating rod drives the blocking claw to rotate clockwise by 90 degrees, and when the blocking claw is perpendicular to the rail, the blocking claw is perpendicular to the rail to prevent the mine car from continuing to advance; when the initial state is recovered, the reversing valve is controlled to reverse, the other end of the air cylinder is inflated to drive the rotating rod to rotate, the rotating rod drives the blocking claw to rotate by 90 degrees clockwise, and when the blocking claw is parallel to the track, the rotating claw stops rotating.

The intelligent induction pneumatic car arrester for the mine can accurately sense the running position of a mine car by arranging the pressure sensor, and lift the arresting claw in advance to realize automatic car stopping; the single chip microcomputer controls the reversing valve to further control the cylinder to work, the cylinder drives the rotating rod to work, and the blocking claw is controlled to rotate or reset; the sponge pads are arranged on the blocking claws, so that the impact of the mine car on the blocking claws can be effectively reduced, the single chip microcomputer, the air cylinder and the control reversing valve are protected by the protective cover, the durability of the car arrester is ensured, and the service life of the car arrester is prolonged; in addition, the car arrester also has the advantages of simple structure, convenient maintenance and the like.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (7)

1. The intelligent induction pneumatic car arrester for the mine is characterized by comprising a base frame, an air cylinder, a rotating rod, a fixed shaft, a blocking claw, a control reversing valve and a pressure sensor, wherein the air cylinder and the control reversing valve are arranged in a protective cover arranged on one side of the base frame, and a single chip microcomputer is further arranged in the protective cover; the pressure sensor is arranged on a track of the mine car and transmits monitoring information to the single chip microcomputer; the cylinder is connected with the rotating rod, a plurality of blocking claws are arranged on the rotating rod, and the blocking claws are connected through a fixed shaft; one end of the blocking claw is wrapped with a spongy cushion, and the other end of the blocking claw is provided with a blocking piece.

2. The mining pneumatic car arrester of claim 1, wherein the protective cover is an iron shell, and the combination of the single chip microcomputer, the air cylinder and the control reversing valve is accommodated in the protective cover.

3. The mining pneumatic car arrester of claim 2, wherein the pressure sensor is connected to a single chip microcomputer, the single chip microcomputer is connected to a steering valve, and the steering valve controls the cylinder to operate.

4. The mining pneumatic car arrester of claim 1, characterized in that, the both ends of the dwang cooperate with the mount pad respectively, the dwang with hinder the tip fixed connection of claw.

5. The mining pneumatic car arrester of claim 1, characterized in that the arresting claw rotates within a range of 0-90 degrees, and when the arresting claw rotates perpendicular to the rail, a blocking piece of the arresting claw is clamped with the fixed baffle.

6. The mining pneumatic car arrester of claim 1, wherein the distance between the pressure sensor and the installation position of the arresting claw is greater than 5 m.

7. The mining pneumatic car arrester of claim 1, characterized in that the thickness of the arresting claw is greater than 5mm, and one side of the arresting claw is provided with a right-angle side and the other side is provided with an arc side.

Images