CN113718629A

CN113718629A - Pedestrian bridge-crossing device suitable for belt conveyor in mine

Info

Publication number: CN113718629A
Application number: CN202110977122.6A
Authority: CN
Inventors: 刘喜华; 陈国良; 李春旺; 李建友; 徐晓伟; 张玉君
Original assignee: Shanxi Zhongmei Danshuigou Coal Industry Co ltd
Current assignee: Shanxi Zhongmei Danshuigou Coal Industry Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2021-11-30
Anticipated expiration: 2041-08-24
Also published as: CN113718629B

Abstract

The invention relates to a pedestrian bridge crossing device suitable for a rubber belt conveyor in a mine, wherein the pedestrian bridge crossing device is installed on the outer side of the rubber belt conveyor and comprises a bridge crossing body, a height adjusting device, a width adjusting device, a first ladder and a second ladder; the first ladder and the second ladder are positioned on two sides of the gap bridge body and are connected with the gap bridge body through width adjusting devices, and the width adjusting devices are used for adjusting the distance between the first ladder and the second ladder and the center line of the gap bridge body; height adjusting device is installed to first ladder and second ladder, and height adjusting device is used for adjusting the distance between gap bridge body and the tunnel bottom plate. The pedestrian bridge-crossing device has the advantages that the pedestrian bridge-crossing device adopts the width adjusting device and the height adjusting device, can adjust the height and the width according to the field condition, and is suitable for various underground rubber belt conveyors.

Description

Pedestrian bridge-crossing device suitable for belt conveyor in mine

Technical Field

The invention relates to the technical field of mining machinery, in particular to a pedestrian bridge-crossing device suitable for a rubber belt conveyor in a mine.

Background

Under coal mines, the inner belt conveyor of the roadway sometimes needs to be crossed by pedestrians. At present, all fixed pedestrian bridge crossings are adopted in coal mines, and the following defects exist in field use: firstly, the carrying and the storage occupy large space, and the weight is heavier, which is inconvenient; and secondly, an overhead passenger carrying device is also arranged in the rubber belt roadway, if the pedestrian passes through the bridge too widely, the pedestrian is affected, and if the pedestrian passes through the bridge too narrowly, the belt can be worn, so that the rubber belt is unsafe. The height of the existing pedestrian bridge cannot be adjusted, the installation height of part of places is not suitable, when the height is too low, coal conveying of a belt is influenced, and when the height is too high, the pedestrian is not safe because of influence of a roadway top plate.

Therefore, it is highly desirable to provide a pedestrian bridge crossing device with adjustable width and height suitable for the belt conveyor in the mine.

Disclosure of Invention

Technical problem to be solved

In view of the above disadvantages and shortcomings of the prior art, the present invention provides a pedestrian bridge crossing device suitable for a belt conveyor in a mine, which solves the technical problem that the existing pedestrian bridge crossing device cannot adapt to various complex installation environments in a mine.

(II) technical scheme

In order to achieve the purpose, the invention adopts the main technical scheme that:

the embodiment of the invention provides a pedestrian bridge crossing device suitable for a rubber belt conveying device in a mine, which is arranged on the outer side of the rubber belt conveying device and comprises a bridge crossing body, a height adjusting device, a width adjusting device, a first ladder and a second ladder;

the first ladder and the second ladder are positioned on two sides of the gap bridge body and are connected with the gap bridge body through width adjusting devices, and the width adjusting devices are used for adjusting the distance between the first ladder and the second ladder and the center line of the gap bridge body;

height adjusting device is installed to first ladder and second ladder, and height adjusting device is used for adjusting the distance between gap bridge body and the tunnel bottom plate.

Optionally, the first ladder and the second ladder both comprise a pedestrian pedal and first legs oppositely arranged on two sides of the pedestrian pedal;

the gap bridge body comprises a body piece, and the first support leg is connected with the body piece through the width adjusting device.

Optionally, the width adjusting device comprises a first fastening member, an adjusting member and a plurality of first mounting holes opened on the body member;

a plurality of first mounting holes are arranged at equal intervals along the length direction of the body piece, a plurality of second mounting holes matched with the first mounting holes are formed in the adjusting piece along the length direction of the adjusting piece, one end of the adjusting piece is fixedly connected with the first supporting leg, the other end of the adjusting piece is inserted into the body piece, and the first fastener penetrates through the first mounting hole and the second mounting hole which are overlapped with each other to fixedly connect the adjusting piece and the body piece together.

Optionally, the first leg and the adjustment member are made of # 12 channel steel, the body member is made of # 14 channel steel, and the first fastener comprises

A bolt and a nut.

Optionally, the height adjusting device comprises a second fastener, a U-shaped clamp clamped on a longitudinal beam of the belt conveyor, and a plurality of third mounting holes formed in the first leg;

the third mounting holes are arranged at equal intervals along the length direction of the first supporting leg, external threads are arranged on the outer circumferential surfaces of the two ends of the U-shaped clamp, and the two ends of the U-shaped clamp penetrate through the third mounting holes in the first supporting leg to be in threaded connection with the second fastener, so that the first supporting leg is fixedly connected with the longitudinal beam.

Optionally, the height adjusting device is mounted at the lower part of the first support leg, and the pedestrian bridge crossing device is placed on the roadway bottom plate through the height adjusting device.

Optionally, the height adjusting device comprises a third fastener, a second leg and a plurality of fourth mounting holes opened at the lower end of the first leg;

the plurality of fourth mounting holes are arranged at equal intervals along the length direction of the first supporting leg, the second supporting leg is provided with fifth mounting holes matched with the fourth mounting holes along the length direction of the second supporting leg, the lower end of the second supporting leg is abutted to the roadway bottom plate, the upper end of the second supporting leg is sleeved on the outer side of the first supporting leg, and the third fastener penetrates through the fifth mounting holes and the fourth mounting holes which are coincided with each other to fixedly connect the second supporting leg and the first supporting leg.

Optionally, the first leg is made of 12# channel steel, the second leg is made of 14# channel steel, and the third fastener comprises

A bolt and a nut.

Alternatively, the pedestrian tread is made of an embossed steel plate 3mm thick.

Optionally, a first handrail is arranged on the first ladder and the second ladder, a second handrail is arranged on the body piece, the lower end of the first handrail is connected with the first supporting leg, and the upper end of the first handrail is inserted into the second handrail.

(III) advantageous effects

The invention has the beneficial effects that: according to the pedestrian bridging device suitable for the underground belt conveyor, due to the fact that the height adjusting device and the width adjusting device are adopted, compared with the prior art, the pedestrian bridging device is convenient and quick to install, small in occupied space and attractive in appearance, can adjust the height and the width according to the field condition, and is suitable for various underground belt conveyors. Meanwhile, the pedestrian bridge crossing device is telescopic, parts are small, leftover materials can be utilized for processing, cost is reduced, and efficiency is improved. Because of the transport is convenient, adjustable width, but this pedestrian's device of passing a bridge reuse, if when having the part damage, needn't reprocess, only need change damage the part can, practice thrift manufacturing cost.

Drawings

Fig. 1 is an exploded view of an embodiment 1 of a pedestrian bridge apparatus of the present invention, which is suitable for a belt conveyor in a mine;

fig. 2 is a schematic front view of an embodiment 1 of a pedestrian bridging device suitable for a belt conveyor in a mine, according to the present invention;

FIG. 3 is a schematic side view of the body member and adjustment member of FIG. 2, wherein the body member and adjustment member are connected by a bolt and nut;

FIG. 4 is a side elevational view of the stringer and second ladder of the belt conveyor of FIG. 2, with the second ladder mounted to the stringer of the belt conveyor by U-shaped clips;

FIG. 5 is a schematic view of the connection of the stringer and first leg of FIG. 4;

fig. 6 is an exploded view of an embodiment 2 of the pedestrian bridge apparatus of the present invention, which is suitable for use with a belt conveyor in a mine;

fig. 7 is a schematic front view of an embodiment 2 of a pedestrian bridge crossing device suitable for a belt conveyor in a mine, according to the invention;

fig. 8 is a schematic side view of an embodiment 2 of a pedestrian bridge apparatus for a mine belt conveyor according to the present invention;

FIG. 9 is a top schematic view of the first leg and the second leg of FIG. 7; wherein the first leg and the second leg are connected by a bolt and a nut.

[ description of reference ]

1: a belt conveyor; 2: a first ladder; 3: a second ladder; 4: an adjustment member; 5: a body member; 6: a bolt; 7: a nut; 8: a first mounting hole; 9: a second mounting hole; 10: a first leg; 11: a pedestrian pedal; 12: a U-shaped clip; 13: a third mounting hole; 14: a stringer; 15: a second leg; 16: a first armrest; 17: a second handrail; 18: a hurdle net; 19: a fourth mounting hole; 20: a fifth mounting hole; 21: a cross beam; 22: and (5) supporting legs.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper," "lower," "left," "right," "front," "back," and the like are used with reference to the orientation of FIG. 1.

Example 1:

referring to fig. 1, 2, 3 and 4, the present embodiment provides a pedestrian crossing device suitable for a belt conveyor in a mine, which is installed on the outer side of the belt conveyor 1 and includes a crossing body, a height adjusting device, a width adjusting device, a first ladder 2 and a second ladder 3.

The first ladder 2 and the second ladder 3 are positioned on two sides of the gap bridge body and are connected with the gap bridge body through width adjusting devices, and the width adjusting devices are used for adjusting the distance between the first ladder 2 and the second ladder 3 and the center line of the gap bridge body.

Height adjusting devices are installed on the first ladder 2 and the second ladder 3 and used for adjusting the distance between the gap bridge body and the roadway bottom plate.

Specifically, the bridge body includes a body member 5, a second handrail 17, and a balustrade 18. A second handrail 17 is mounted on the body member 5. A balustrade 18 is provided on the second handrail 17 to prevent a worker from falling out of the gap of the second handrail 17. In addition, a warning board can be arranged on the fence net 18 to warn pedestrians to pay attention to safety.

The first ladder 2 and the second ladder 3 each include a pedestrian step 11 and first legs 10 oppositely disposed on both sides of the pedestrian step 11. The pedestrian pedal 11 is made of embossed steel plates with the thickness of 3mm, is firm, durable and safe, and is anti-skid in a wet underground environment. The first ladder 2 and the second ladder 3 are provided with a first handrail 16, the lower end of the first handrail 16 is connected with the first supporting leg 10, and the upper end of the first handrail 16 is inserted into the second handrail 17 and movably connected with the second handrail 17. Specifically, the first handrail 16 is made of 1 inch steel pipe, and the second handrail 17 is made of 1.2 inch steel pipe. Of course, the present invention is not limited thereto, and the first handrail 16 and the second handrail 17 may be made of steel pipes of other sizes as long as the first handrail 16 can be inserted into the second handrail 17.

As shown in fig. 3, the width adjusting means includes a first fastening member, an adjusting member 4, and a plurality of first mounting holes 8 opened on the body member 5. A plurality of first mounting holes 8 are arranged at equal intervals along the length direction of the body member 5, a plurality of second mounting holes 9 matched with the first mounting holes 8 are formed in the adjusting member 4 along the length direction of the adjusting member, one end of the adjusting member 4 is fixedly connected with the first supporting leg 10, the other end of the adjusting member 4 is inserted into the body member 5, and the first fastening member penetrates through the first mounting holes 8 and the second mounting holes 9 which are overlapped with each other to fixedly connect the adjusting member 4 and the body member 5 together. Due to the adoption of the structure, the pedestrian bridge crossing device can pass through the first fastening piece sequentially through the first mounting hole 8 and the second mounting hole 9 which are different, so that the length of the adjusting piece 4 inserted into the body piece 5 is adjusted, and the distance between the first ladder 2 and the second ladder 3 and the center line of the bridge crossing body is adjusted. So, the pedestrian device of this embodiment can adjust pedestrian's width of passing a bridge the device according to the site conditions to various rubber belt conveyor in the adaptation pit.

Specifically, first leg 10 and adjustment member 4 are made of # 12 channel steel and body member 5 is made of # 14 channel steel. Of course, the present invention is not limited thereto, and the first leg 10, the adjusting member 4 and the body member 5 may be made of other types of channel steel as long as the adjusting member 4 can be inserted into the body member 5. The pedestrian bridge-crossing device is welded by using channel steel, so that unsafe factors such as deflection, looseness, deformation and the like of supporting legs can be avoided in the using process.

Furthermore, the first fastening member is preferably

A bolt 6 and a nut 7. The bolt 6 sequentially passes through the first mounting hole 8 and the second mounting hole 9 and is detachably connected with the nut 7. Thereby securely attaching together adjuster member 4 and body member 5.

Referring to fig. 1, the belt conveyor 1 includes idlers, longitudinal beams 14, cross beams 21, and support legs 22. Supporting rollers are arranged on the cross beam 21, longitudinal beams 14 arranged along the conveying direction of the rubber belt conveyor are symmetrically arranged at two ends of the cross beam 21, and supporting legs 22 are arranged below the longitudinal beams 14. Therefore, the belt conveyor 1 is placed on the tunnel floor by the support legs 22.

As shown in fig. 4 and 5, the height adjusting device includes a second fastening member, a U-shaped clip 12 clipped on a longitudinal beam 14 of the belt conveyor 1, and a plurality of third mounting holes 13 opened on the first leg 10, and the plurality of third mounting holes 13 are arranged at equal intervals along the length direction of the first leg 10.

The outer circumferential surfaces of both ends of the U-shaped clip 12 are provided with external threads, and both ends of the U-shaped clip 12 pass through the third mounting holes 13 of the first leg 10 to be threadedly connected with the second fastening member, thereby fixing the first leg 10 and the longitudinal beam 14 together. The pedestrian bridge crossing device of the embodiment is not directly placed on the roadway bottom plate, but is installed on the longitudinal beam 14 of the rubber belt conveyor 1 through the U-shaped clips 12, the distance between the bridge crossing main body and the rubber belt conveyor 1 can be adjusted by adjusting the U-shaped clips 12 to penetrate through different third mounting holes 13, and therefore the distance between the bridge crossing main body and the roadway bottom plate can be adjusted. Furthermore, the second fastener is preferably a nut 7. So, the pedestrian device of passing a bridge of this embodiment can adjust the height of passing a bridge body to compromise pedestrian's safety and sufficient space of crossing coal.

The pedestrian bridge-crossing device of the embodiment adopts the height adjusting device and the width adjusting device, so that the pedestrian bridge-crossing device is convenient and quick to mount, small in occupied space and attractive in appearance compared with the prior art, can adjust the height and the width according to the field condition, and is suitable for various underground rubber belt conveyors. Meanwhile, the pedestrian bridge crossing device is telescopic, parts are small, leftover materials can be utilized for processing, cost is reduced, and efficiency is improved. Because of the transport is convenient, adjustable width, but this pedestrian's device of passing a bridge reuse, if when having the part damage, needn't reprocess, only need change damage the part can, practice thrift manufacturing cost.

Example 2:

referring to fig. 6, 7, 8 and 9, in the present embodiment, the pedestrian crossing apparatus includes a crossing body, a height adjusting means, a width adjusting means, a first ladder 2 and a second ladder 3, and the height adjusting means of the pedestrian crossing apparatus is different from embodiment 1 in that it includes a third fastener, a second leg 15 and a plurality of fourth mounting holes 19 opened at a lower end of the first leg 10.

Specifically, a plurality of fourth mounting holes 19 are arranged at equal intervals along the length direction of the first leg 10, fifth mounting holes 20 matched with the fourth mounting holes 19 are formed in the length direction of the second leg 15, the lower end of the second leg 15 abuts against a roadway bottom plate, the upper end of the second leg 15 is sleeved on the outer side of the first leg 10, and a third fastener penetrates through the coincident fifth mounting holes 20 and the fourth mounting holes 19 to fixedly connect the second leg 15 and the first leg 10. Due to the adoption of the structure, the pedestrian bridge crossing device can adjust the distance between the bridge crossing body and the second supporting leg 15 by the third fastener passing through the fifth mounting hole 20 and the different fourth mounting holes 19, so that the distance between the bridge crossing body and the roadway bottom plate can be adjusted.

In the present embodiment, the first leg 10 is made of 12# channel steel, and the second leg 15 is made of 14# channel steel. Further, the third fastener is preferably

A bolt 6 and a nut 7. The bolt 6 passes through the fifth mounting hole 20 and the fourth mounting hole 19 in turn, and is detachably coupled with the nut 7, thereby fastening the second leg 15 and the first leg 10 together.

So, the pedestrian device of passing a bridge of this embodiment can adjust the height of passing a bridge body to compromise pedestrian's safety and sufficient space of crossing coal.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a pedestrian's device of passing a bridge that is suitable for rubber belt conveyor in mine which characterized in that: the pedestrian bridge crossing device is installed on the outer side of the rubber belt conveyor (1) and comprises a bridge crossing body, a height adjusting device, a width adjusting device, a first ladder (2) and a second ladder (3);

the first ladder (2) and the second ladder (3) are positioned on two sides of the gap bridge body and are connected with the gap bridge body through the width adjusting device, and the width adjusting device is used for adjusting the distance between the first ladder (2) and the second ladder (3) and the center line of the gap bridge body;

height adjusting device is installed to first ladder (2) with second ladder (3), height adjusting device is used for adjusting the gap bridge body with distance between the tunnel bottom plate.

2. The pedestrian bridge apparatus of claim 1, wherein: the first ladder (2) and the second ladder (3) respectively comprise a pedestrian pedal (11) and first legs (10) which are oppositely arranged on two sides of the pedestrian pedal (11);

the gap bridge body comprises a body piece (5), and the first supporting leg (10) is connected with the body piece (5) through a width adjusting device.

3. The pedestrian bridge apparatus of claim 2, wherein: the width adjusting device comprises a first fastening piece, an adjusting piece (4) and a plurality of first mounting holes (8) formed in the body piece (5);

the plurality of first mounting holes (8) are arranged at equal intervals along the length direction of the body piece (5), the adjusting piece (4) is provided with a plurality of second mounting holes (9) matched with the first mounting holes (8) in the length direction, one end of the adjusting piece (4) is fixedly connected with the first supporting leg (10), the other end of the adjusting piece (4) is inserted into the body piece (5), and the first fastening piece penetrates through the first mounting holes (8) and the second mounting holes (9) which are overlapped to fixedly connect the adjusting piece (4) and the body piece (5).

4. The pedestrian bridge apparatus of claim 3, wherein: the first supporting leg (10) and the adjusting piece (4) are made of 12# channel steel, the body piece (5) is made of 14# channel steel, and the first fastener comprises

A bolt (6) and a nut (7).

5. The pedestrian bridge apparatus of claim 2, wherein: the height adjusting device comprises a second fastener, a U-shaped clamp (12) clamped on a longitudinal beam (14) of the rubber belt conveyor (1) and a plurality of third mounting holes (13) formed in the first supporting leg (10);

the third mounting holes (13) are arranged at equal intervals along the length direction of the first supporting leg (10), external threads are arranged on the outer circumferential surfaces of two ends of the U-shaped clamp (12), and the two ends of the U-shaped clamp (12) penetrate through the third mounting holes (13) in the first supporting leg (10) and are in threaded connection with the second fastening piece, so that the first supporting leg (10) and the longitudinal beam (14) are fixedly connected together.

6. The pedestrian bridge apparatus of claim 2, wherein: the height adjusting device is installed at the lower part of the first supporting leg (10), and the pedestrian bridge crossing device is placed on a roadway bottom plate through the height adjusting device.

7. The pedestrian bridge arrangement of claim 6, wherein: the height adjusting device comprises a third fastener, a second leg (15) and a plurality of fourth mounting holes (19) arranged at the lower end of the first leg (10);

the plurality of fourth mounting holes (19) are arranged at equal intervals along the length direction of the first supporting leg (10), fifth mounting holes (20) matched with the fourth mounting holes (19) are formed in the length direction of the second supporting leg (15), the lower end of the second supporting leg (15) abuts against a roadway bottom plate, the upper end of the second supporting leg (15) is sleeved on the outer side of the first supporting leg (10), and a third fastener penetrates through the fifth mounting holes (20) and the fourth mounting holes (19) which are overlapped to fixedly connect the second supporting leg (15) and the first supporting leg (10).

8. The pedestrian bridge apparatus of claim 7, wherein: the first supporting leg (10) is made of 12# channel steel, the second supporting leg (15) is made of 14# channel steel, and the third fastener comprises

A bolt (6) and a nut (7).

9. The pedestrian bridge apparatus of claim 2, wherein: the pedestrian pedal (11) is made of an embossed steel plate with the thickness of 3 mm.

10. A pedestrian bridge arrangement as claimed in any one of claims 2 to 9, wherein: a first handrail (16) is arranged on the first ladder (2) and the second ladder (3), a second handrail (17) is arranged on the body piece (5), the lower end of the first handrail (16) is connected with the first supporting leg (10), and the upper end of the first handrail (16) is inserted into the second handrail (17).