CN218624326U - Alarm device for underground mining vehicle of coal mine - Google Patents

Abstract

The utility model discloses a colliery is alarm device that mining vehicle used in pit, including the mine car main part, the equal fixed mounting in center at mine car main part both ends has infrared induction alarm, and the equal fixed mounting in both ends of mine car main part has and is located infrared induction alarm top and be used for providing the thing device of preventing falling of preventing falling protection for infrared induction alarm, the thing device of preventing falling includes that two symmetries construct in the axostylus axostyle of mine car main part one side, the outer fringe face both sides of axostylus axostyle are all rotated and are provided with the sleeve, and telescopic both sides all have constructed support arm, many the support arm is kept away from telescopic one end and is constructed there is the arc backup pad, and the top bonding of arc backup pad is fixed with the rubber pad. This alarm device that colliery is mining vehicle usefulness in pit possesses protective structure, can block the whereabouts object to absorb the impact force that produces it, possess longer life, the practicality is stronger.

Description

Alarm device for underground mining vehicle of coal mine

Technical Field

The utility model belongs to the technical field of the colliery is excavated, concretely relates to alarm device that colliery mining vehicle used in pit.

Background

Coal mines refer to places rich in coal resources and are generally divided into underground coal mines and opencast coal mines. When the coal layer is far away from the ground surface, a tunnel is usually dug to the underground to mine the coal, which is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.

Present underworkings colliery is when the exploitation, in order to make things convenient for the transportation of rubble, coal mine and ore, lays the track and sets up the mine car in the tunnel again more, and the mine car must be drawn with locomotive or winch, for avoiding drawing the time meet accident, can set up alarm device in the both ends of mine car more.

Alarm device that can among the prior art, its structure is comparatively simple, realizes through the infrared inductor of inside setting mostly to the response of the place ahead object, can be because the tunnel internal environment is supplementary, and alarm device is last not to set up protection machanism again to the mine car that removes often can appear colliding with falling rocks in as far as in the tunnel, thereby the condition that leads to damaging appears, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is alarm device that mining vehicle used in pit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an alarm device for a mine vehicle in a coal mine comprises a mine car main body;

the centers of the two ends of the mine car main body are both fixedly provided with infrared induction alarms, and the two ends of the mine car main body are both fixedly provided with falling-proof object devices which are positioned above the infrared induction alarms and used for providing falling-proof protection for the infrared induction alarms;

the anti-falling object device comprises two shaft levers symmetrically constructed on one side of a mine car body, sleeves are rotatably arranged on two sides of the outer edge surface of each shaft lever, support arms are constructed on two sides of each sleeve, an arc-shaped support plate is constructed at one end, far away from each sleeve, of each support arm, and a rubber pad is fixedly bonded to the top of each arc-shaped support plate;

two fixed mounting has energy-absorbing mechanism between two parties jointly on the outer fringe face of axostylus axostyle, and energy-absorbing mechanism's both ends respectively fixed connection in two arc backup pad, two arc portion has all been seted up to the end in opposite directions of arc backup pad, and two mutual butts of arc portion.

Preferably, the energy absorbing mechanism comprises two cylinders which are respectively and fixedly arranged on the two shaft rods in the middle, and a connecting plate is formed on one side of each of the two cylinders.

Preferably, two a bottom plate is constructed between the bottom of connecting plate, and the equal fixed mounting in four corners on bottom plate top has buffer gear, and lies in the common fixed connection in the arc backup pad of two buffer gear with one side.

Preferably, the buffer mechanism comprises a first hinge seat constructed at one corner of the top end of the bottom plate, and a damper is fixedly mounted at the top of the first hinge seat.

Preferably, the top end of the piston rod of the damper is fixedly provided with a second hinge seat, and the second hinge seat is fixedly connected to one side of the bottom end of the arc-shaped supporting plate.

Preferably, the outer fringe face of articulated seat two is gone up the cover and is equipped with the spring, and the both ends of spring butt respectively in articulated seat one and articulated seat two.

The utility model discloses a technological effect and advantage: the alarm device for the underground mining vehicle of the coal mine is beneficial to an infrared induction alarm and a falling-preventing object device, the infrared induction alarm is used for monitoring objects which possibly appear in the advancing direction of a mine car main body, and the two arc-shaped supporting plates are matched with the two rubber pads to block the falling objects, so that the infrared induction alarm is protected, the infrared induction alarm is prevented from being damaged by collision as much as possible, the service life of the alarm device is prolonged as much as possible, and the alarm device is high in practicability;

benefit from the setting of falling object device, object through two arc backup pads stops falling, in order to realize the protection to infrared induction alarm, when the object falls to between two arc backup pads, the impact force that its produced forces the arc backup pad to use the axostylus axostyle to rotate as the axle center, in order to act on the attenuator that four covers were equipped with the spring, through making four attenuators and four spring contractions in order to realize the absorption to the impact force, thereby treat that its impact force consumption finishes and along arc backup pad landing, and when the object falls to arc backup pad top edge, the impact force that its produced will force the arc backup pad to use the axostylus axostyle to rotate as the axle center, make the impact force act on two attenuators and two springs, make it take place the extension, thereby accomplish the absorption to the impact force, thereby the threat of object of falling to infrared induction alarm is reduced as far as possible, the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the anti-falling device of the present invention;

fig. 3 is a schematic structural diagram of the energy absorbing mechanism of the present invention.

In the figure: 1. a main body of the mine car; 2. an infrared sensing alarm; 3. an fall arrest device; 301. a shaft lever; 302. a sleeve; 303. a support arm; 304. an arc-shaped support plate; 305. a rubber pad; 4. an energy absorbing mechanism; 401. a cylinder; 402. a connecting plate; 403. a base plate; 404. a first hinge seat; 405. a damper; 406. a second hinge seat; 407. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, in order to protect the infrared sensing alarm 2 and prevent the infrared sensing alarm 2 from being damaged due to impact as much as possible, the alarm device for the mining vehicle in the underground coal mine comprises a mine car body 1, the infrared sensing alarm 2 is fixedly mounted in the center of each of two ends of the mine car body 1, the anti-falling object devices 3 which are located above the infrared sensing alarm 2 and used for providing anti-falling protection for the infrared sensing alarm 2 are fixedly mounted in the two ends of the mine car body 1, each anti-falling object device 3 comprises two shaft levers 301 which are symmetrically constructed on one side of the mine car body 1, sleeves 302 are rotatably arranged on two outer edge surfaces of the shaft levers 301, support arms 303 are constructed on two sides of the sleeves 302, a plurality of arc support plates 304 are constructed at one ends of the support arms 303, which are far away from the sleeves 302, rubber pads 305 are fixedly bonded to the tops of the arc support plates 304, two arc support plates 305 are fixedly mounted on the outer edge surfaces of the shaft levers 301 in a centered manner, the two ends of the energy absorbing mechanisms 4 are fixedly connected to the two arc support plates 304, arc support plates are respectively, arc support plates 304 are provided with arc support plates abutted against each other, the alarm 2 sense the arc support plates are used for sensing the alarm 1, so as far as possible objects, and the alarm 1 can monitor the impact of the infrared sensing alarm 2, and prevent the objects from being damaged, and the objects, so that the objects, and the objects are used for monitoring the objects, and the alarm device can be used for monitoring the objects.

As shown in fig. 2 and 3, in order to absorb the impact force and reduce the threat of the falling object to the ir-sensitive alarm 2 as much as possible, specifically, the energy absorbing mechanism 4 includes two cylinders 401 respectively and fixedly installed on the two shafts 301 in the center, a connecting plate 402 is configured on one side of each of the two cylinders 401, a bottom plate 403 is configured between the bottom ends of the two connecting plates 402, cushion mechanisms are fixedly installed on four corners of the top end of the bottom plate 403, and the two cushion mechanisms located on the same side are fixedly connected to the arc-shaped supporting plate 304 together, the cushion mechanism includes a first hinge seat 404 configured on one corner of the top end of the bottom plate 403, a damper 405 is fixedly installed on the top of the first hinge seat 404, a second hinge seat 406 is fixedly installed on the top end of the piston rod of the damper 405, and the second hinge seat 406 is fixedly connected to one side of the bottom end of the arc-shaped supporting plate 304, the outer edge surface of the second hinge seat 406 is sleeved with a spring 407, two ends of the spring 407 respectively abut against the first hinge seat 404 and the second hinge seat 406, the falling object is blocked by the two arc-shaped support plates 304 to protect the infrared induction alarm 2, when the object falls between the two arc-shaped support plates 304, the generated impact force forces the arc-shaped support plates 304 to rotate around the shaft rod 301 as an axis to act on the four dampers 405 sleeved with the spring 407, the four dampers 405 and the four springs 407 are contracted to absorb the impact force, so that the arc-shaped support plates 304 slide along the arc-shaped support plates 304 after the impact force is consumed, and when the object falls to the edge of the top of the arc-shaped support plates 304, the generated impact force forces the arc-shaped support plates 304 to rotate around the shaft rod 301 as an axis to act on the two dampers 405 and the two springs 407, the infrared induction alarm device is made to stretch, so that the impact force is absorbed, the threat of falling objects to the infrared induction alarm device 2 is reduced as much as possible, and the practicability is high.

The working principle is as follows: this alarm device that colliery is mining vehicle usefulness in pit, during the use, when pulling mine car main part 1 through traction equipment and removing, accessible infrared induction alarm 2 monitors the object that probably appears in the moving direction, and block the object that falls through two arc backup pads 304 cooperation two rubber pads 305, in order to accomplish the protection to infrared induction alarm 2, avoid it to receive the striking as far as possible and damage, when the object falls to between two arc backup pads 304, its impact force that produces forces arc backup pad 304 to use axostylus axostyle 301 as the axle center rotation, in order to act on four sets of attenuator 405 that are equipped with spring 407, through making four attenuator 405 and four spring 407 shrink in order to realize the absorption to the impact force, thereby treat that its impact force consumes and accomplish and slide along arc backup pad 304, and when the object falls to arc backup pad 304 top edge, the impact force that its produced will force arc backup pad 304 to rotate with axostylus axostyle 301 as the axle center, make the impact force act on two attenuator 405 and two spring 407, thereby accomplish the absorption to the impact force, thereby reduce the object that falls down as far as possible threatens to infrared induction alarm 2, improve the life-span of infrared induction alarm, the practicality is stronger.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. An alarm device for a mine vehicle in a coal mine comprises a mine car main body (1);

the method is characterized in that: the centers of two ends of the mine car main body (1) are fixedly provided with infrared induction alarms (2), and two ends of the mine car main body (1) are fixedly provided with falling-prevention object devices (3) which are positioned above the infrared induction alarms (2) and are used for providing falling-prevention protection for the infrared induction alarms (2);

the anti-falling device (3) comprises two shaft levers (301) symmetrically constructed on one side of a mine car main body (1), sleeves (302) are rotatably arranged on two sides of the outer edge surface of each shaft lever (301), supporting arms (303) are constructed on two sides of each sleeve (302), an arc-shaped supporting plate (304) is constructed at one end, far away from the sleeves (302), of each supporting arm (303), and a rubber pad (305) is fixedly bonded to the top of each arc-shaped supporting plate (304);

two fixed mounting is placed in the middle jointly on the outer fringe face of axostylus axostyle (301) has energy-absorbing mechanism (4), and the both ends of energy-absorbing mechanism (4) respectively fixed connection in two arc backup pad (304), two arc portion has all been seted up to the end in opposite directions of arc backup pad (304), and two mutual butts of arc portion.

2. The alarm device for the coal mine underground mining vehicle according to claim 1, characterized in that: the energy absorption mechanism (4) comprises two cylinders (401) which are respectively and fixedly arranged on the two shaft rods (301) in the middle, and connecting plates (402) are respectively formed on one sides of the two cylinders (401).

3. The alarm device for the coal mine underground mining vehicle according to claim 2, characterized in that: two bottom plates (403) are constructed between the bottom ends of the connecting plates (402), four corners of the top ends of the bottom plates (403) are fixedly provided with buffer mechanisms, and the two buffer mechanisms located on the same side are fixedly connected to the arc-shaped supporting plate (304) together.

4. The alarm device for the coal mine underground mining vehicle according to claim 3, characterized in that: the buffer mechanism comprises a first hinge seat (404) which is constructed at one corner of the top end of the bottom plate (403), and a damper (405) is fixedly installed at the top of the first hinge seat (404).

5. The alarm device for the coal mine underground mining vehicle according to claim 4, characterized in that: and a second hinge seat (406) is fixedly installed at the top end of the piston rod of the damper (405), and the second hinge seat (406) is fixedly connected to one side of the bottom end of the arc-shaped support plate (304).

6. The alarm device for the coal mine underground mining vehicle according to claim 5, characterized in that: the outer edge face of the second hinge seat (406) is sleeved with a spring (407), and two ends of the spring (407) abut against the first hinge seat (404) and the second hinge seat (406) respectively.

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