Pedestrian gap bridge of underground coal mine scraper conveyor

Abstract

The utility model relates to the technical field of coal mine electromechanical transportation, in particular to a coal mine underground scraper conveyor pedestrian gap bridge which comprises a bridge body frame which is a rectangular hollow bridge body. According to the utility model, the rotating clamping plates on the side walls of the connecting frames on the two sides are shifted, so that the clamping ports of the rotating clamping plates are separated from the positioning columns, then the second inclined supporting rod is pushed to move in the direction away from the first inclined supporting rod, and the plurality of step plates start to turn over along with the movement of the second inclined supporting rod in the process; after anti-skid bottom plates at the bottoms of the two second inclined supporting rods make contact with the ground, the multiple step plates are kept positioned, so that pedestrians can climb to the bridge body frame, the trapezoid pedestrian gap bridge is built on the scraper conveying mechanism through the inclined supporting rods on the two sides and the steel plates, and the problems that a traditional pedestrian gap bridge is single in form, difficult to carry, poor in maneuverability and incapable of being used are solved; casualties or equipment damage caused by the fact that people cannot use the pedestrian bridge to pass through the scraper conveyor are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine electromechanical transportation technical field, concretely is coal mine underground scraper conveyor pedestrian bridge. BACKGROUND

[0002] Coal mine underground scraper conveyor pedestrian bridge mainly applies to the scraper conveyor pedestrian traffic of coal mine underground mining working face, ensures during the production and transportation of mining working face, can make the pedestrian pass through the scraper conveyor safely, cannot cause the personnel casualty of personnel normal traffic or because of the illegal traffic spanned scraper conveyor during the operation of scraper conveyor. UTILITY MODEL CONTENTS

[0003] The utility model discloses a coal mine underground scraper conveyor pedestrian bridge, which solves the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The coal mine underground scraper conveyor pedestrian bridge comprises:

[0006] A bridge body frame is a long rectangular hollow bridge body, and the bridge body frame can be placed on the top of the scraper conveyor to support pedestrian walking.

[0007] Four steel plates are fixedly connected between the opposite inner walls of the bridge body frame.

[0008] Four welding columns are symmetrically fixedly connected to the opposite side walls of the bridge body frame.

[0009] Two guardrail frames are fixedly connected between the top ends of the two opposite welding columns.

[0010] Two connecting frames are fixedly connected to the two ends of the bridge body frame.

[0011] Four positioning seats are symmetrically fixedly connected to the side walls of the connecting frame.

[0012] Four inclined struts are rotatably connected to the positioning seats.

[0013] Four ladder plates are rotatably arranged on the inner walls of the inclined struts at equal distances.

[0014] Further in, the guardrail frame is fixedly connected with a plurality of steel bars fixedly connected with the inner wall thereof at equal distances.

[0015] Further in, the bottom of each of the two connecting frames is fixedly connected with a limiting baffle, and the bottom of each of the two limiting baffles is fixedly connected with two top support pieces, the top support pieces abut against the top of the side guard plate of the scraper conveyor, and the bottom inner wall of each of the top support pieces is fixedly provided with a buffer pad.

[0016] Further in, the side wall of each of the two guardrail frames is fixedly provided with a lighting lamp strip.

[0017] Further in, the top end of one of the guardrail frames is fixedly connected with a Z-shaped plate, and the Z-shaped plate is fixedly provided with an LED prompt plate.

[0018] Further in, the two ends of the step plate are fixedly connected with connecting shafts, the connecting shafts are rotationally connected with the inclined support rods, the two ends of the connecting shaft on one side are rotationally connected with the second inclined support rods, the bottom ends of the two second inclined support rods are fixedly connected with an anti-skid bottom plate, the bottom ends of the first inclined support rods are rotationally connected with a rotating shaft, and the two ends of the rotating shaft are fixedly connected with rolling wheels.

[0019] Further in, the side wall of the second inclined support rod is fixedly connected with a positioning column, the side wall of each of the two connecting frames is rotationally connected with a rotating clamping plate, the rotating clamping plate is provided with a clamping interface for clamping the positioning column, and the side wall of the connecting frame is fixedly connected with a storage plate for storing the rotating clamping plate.

[0020] Compared with the prior art, the utility model has the advantages of:

[0021] 1. The bridge body frame is placed on the scraper conveyor at the required crossing position, in order to ensure the stability of the pedestrian bridge, the two top support pieces at the bottom of the bridge body frame are placed on the top of the two side guard plates of the scraper conveyor, then the rotating clamping plates on the side walls of the two connecting frames are rotated, the clamping interfaces of the rotating clamping plates are separated from the positioning columns, the first inclined support rod and the second inclined support rod are rotated, the second inclined support rod is pushed to move away from the first inclined support rod, in this process, the plurality of step plates start to overturn along with the movement of the second inclined support rod, and when the anti-skid bottom plates at the bottom of the two second inclined support rods contact the ground, the plurality of step plates are positioned, so that the pedestrian can climb onto the bridge body frame, and the two side inclined support rods and the steel plates are used to build a ladder-shaped pedestrian bridge on the scraper conveyor, so that the personnel can cross the scraper conveyor in the poor geological conditions and low roadway construction site, the problems of single form, difficulty in carrying and poor mobility of the traditional pedestrian bridge are solved, and the personnel casualties or equipment damage caused by the fact that the personnel cannot use the pedestrian bridge to pass through the scraper conveyor are avoided.

[0022] 2. After personnel pass through or when this pedestrian bridge device is not needed, remove the bridge body frame from the scraper conveyor, then rotate the first diagonal strut until it抵触s the end of the limit baffle, and combine the second diagonal strut with the first diagonal strut, so that multiple step plates turn to an inclined state, thereby reducing the space occupied by the brackets at both ends of the bridge body frame. Then, engage the clamping interface on the rotating clamping plate with the positioning column to limit the second diagonal strut and the first diagonal strut. Moreover, the rolling wheels at the bottom end of the first diagonal strut facilitate the movement of the pedestrian bridge equipment, enabling quick storage of the equipment, and it can be placed in the roadway after storage.

[0023] 3. By fixing lighting strips on both sides of the guardrail frame of the device, it can illuminate pedestrians on the bridge. At the same time, the guardrail frame plays a protective role to prevent pedestrians from falling into the scraper conveyor and causing casualties. The LED display board in the U-shaped plate can flash and display safety reminder words to remind roadway workers, thus improving the safety of the pedestrian bridge device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of the utility model in the use state;

[0025] Figure 2 is a schematic structural diagram of the overall storage state of the utility model;

[0026] Figure 3 is a schematic structural diagram of the connection structure of the bridge body frame of the utility model;

[0027] Figure 4 is a schematic structural diagram of the connection structure of the step plates of the utility model.

[0028] In the figure: 101, bridge body frame; 102, steel plate; 103, welding column; 104, guardrail frame; 105, lighting strip; 106, U-shaped plate; 107, LED display board; 108, connection frame; 109, limit baffle; 110, top support; 111, buffer pad; 112, storage board; 113, rotating clamping plate; 114, clamping interface; 201, positioning seat; 202, first diagonal strut; 203, second diagonal strut; 204, step plate; 205, connecting shaft; 206, positioning column; 207, rotating shaft; 208, rolling wheel; 209, anti-slip bottom plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-4 The utility model discloses a coal mine underground scraper conveyor pedestrian bridge, including: bridge body frame 101, steel sheet 102, welding column 103, guardrail frame 104, inclined bracing bar one 202, ladder plate 204, bridge body frame 101 is hollow bridge body of rectangle, bridge body frame 101 can be placed on the top of scraper conveyor and support the pedestrian walking, steel sheet 102 is provided with four, and is fixedly connected between the opposite inner wall of bridge body frame 101, welding column 103 is provided with four, and is fixedly connected on the opposite side wall of bridge body frame 101, guardrail frame 104 is provided with two, and is fixedly connected between the top of opposite two welding columns 103, connecting frame 108 is provided with two, and is fixedly connected on both ends of bridge body frame 101, positioning seat 201 is provided with four, and is fixedly connected on the side wall of connecting frame 108, and inclined bracing bar one 202 is provided with four, and one end is rotated with positioning seat 201, ladder plate 204 is provided with four, and is rotated on the inner wall of inclined bracing bar one 202 at equal distance. The inclined bracing bar of both sides and steel sheet 102 are built into trapezoidal pedestrian bridge on the scraper conveyor mechanism, so that the staff can cross the scraper conveyor in the poor geological condition and low roadway construction site of mining work environment, and a plurality of reinforcing bars are fixedly connected with the inner wall in guardrail frame 104 at equal distance. The bottom of two connecting frames 108 is fixedly connected with limiting baffle 109, and the bottom of two limiting baffle 109 is fixedly connected with two top support 110, in order to guarantee the stability of pedestrian bridge, so that the two top support 110 of its bottom can be placed on the top of the side guard plate of scraper conveyor mechanism, and the bottom inner wall of top support 110 is fixedly provided with buffer pad 111.

[0031] Specifically, by placing the bridge frame 101 on the scraper conveyor at the desired span position, in order to ensure the stability of pedestrians crossing the bridge, the two top supports 110 at the bottom can be placed on the top of the guard plates on both sides of the scraper conveyor mechanism, and then by toggling the rotating card plates 113 on the side walls of the connecting frames 108 on both sides, the card interface 114 of the rotating card plates 113 will be separated from the positioning column 206, and then the diagonal support rod 1 202 and the diagonal support rod 203 are rotated, and then the diagonal support rod 203 is pushed to move in the direction away from the diagonal support rod 1 202. In this process, multiple step plates 204 will move along with the movement of the diagonal support rod 203. The bridge 101 is a vertically extending bridge structure, and the bridge 102 is a vertically extending bridge structure, and the vertically extending bridge 102 is a vertically extending bridge structure. The bridge 101 is a horizontally extending bridge structure, and the bridge 102 is a vertical ...

[0032] Example 1

[0033] like Figure 2 As shown, in this embodiment, both ends of the step plate 204 are fixedly connected with a connecting shaft 205, and the connecting shaft 205 is rotatably connected to the diagonal support rod 1 202. Both ends of the connecting shaft 205 on one side are rotatably connected to the diagonal support rod 203. When the anti-skid bottom plates 209 at the bottom of the two diagonal support rods 203 touch the ground, the multiple step plates 204 remain in position, so that pedestrians can climb to the bridge frame 101. The anti-skid bottom plate 209 is fixedly connected between the bottom ends of the two diagonal support rods 203, and the rotating shaft 207 is rotatably connected between the bottom ends of the two diagonal support rods 1 202. Both ends of the rotating shaft 207 are fixedly connected to rolling wheels 208. A positioning column 206 is fixedly connected to the side wall of the second diagonal support rod 203, and a rotating card plate 113 is rotatably connected to the side walls of the two connecting frames 108. A card interface 114 is provided in the rotating card plate 113 for engaging with the positioning column 206. A storage plate 112 is fixedly connected to the side wall of the connecting frame 108, and the storage plate 112 is used to store the rotating card plate 113.

[0034] In the embodiment, when the personnel pass through or do not need to use the pedestrian bridge device, the bridge body frame 101 is removed from the scraper conveyor, then the end of the inclined support rod two 203 and the inclined support rod one 202 are abutted, the inclined support rod two 203 and the inclined support rod one 202 are combined together, the plurality of step plates 204 are turned to the inclined state, thereby reducing the space occupation volume of the support at both ends of the bridge body frame 101, then the clamping interface 114 on the rotating clamping plate 113 and the positioning column 206 are clamped, thereby the inclined support rod two 203 and the inclined support rod one 202 are limited, and the rolling wheels 208 at the bottom end of the inclined support rod one 202 facilitate the movement of the pedestrian bridge equipment, thereby the equipment can be quickly stored, and after storage, the equipment can be placed in the roadway.

[0035] As shown in the embodiment, the two guardrail frames 104 are fixedly provided with the lighting lamp strips 105 on the side walls. Figure 3 The lighting lamp strips 105 can illuminate the pedestrians on the bridge, the top end of one guardrail frame 104 is fixedly connected with the U-shaped plate 106, the U-shaped plate 106 is fixedly provided with the LED prompt plate 107, and the LED prompt plate 107 can flash to display safety warning words to remind the roadway workers.

[0036] Specifically, the lighting lamp strips 105 are fixed on the two sides of the guardrail frame 104 of the device to illuminate the pedestrians on the bridge, the guardrail frame 104 plays a protection role to avoid the pedestrians from falling into the scraper conveyor to cause casualties, the LED prompt plate 107 in the U-shaped plate 106 can flash to display safety warning words to remind the roadway workers, and the safety of the pedestrian bridge device is improved.

[0037] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0038] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A walkway bridge for an underground coal mine scraper conveyor, characterised in that, The utility model relates to a kind of bridge body frame and its supporting structure, including: Bridge body frame (101), bridge body frame (101) is rectangular hollow bridge body, bridge body frame (101) can be placed on the top of scraper conveyor to support the walking of pedestrian; Steel sheet (102) is provided with four, fixedly connected between the opposite inner wall of bridge body frame (101); Welding column (103) is provided with four, symmetrically fixedly connected on the opposite side wall of bridge body frame (101); Guardrail frame (104) is provided with two, fixedly connected between the top of opposite two welding columns (103); Connecting frame (108) is provided with two, both fixedly connected at both ends of bridge body frame (101), Positioning seat (201) is provided with four, all symmetrically fixedly connected on the side wall of connecting frame (108); Inclined strut one (202) is provided with four, one end is all rotated with positioning seat (201); Stair plate (204) is provided with four, equidistantly rotated and arranged on the inner wall of inclined strut one (202).

2. The coal mine underground scraper conveyor walkway bridge of claim 1, wherein, Guardrail frame (104) is fixedly connected with a plurality of steel bars in the inner wall thereof at equal intervals.

3. The coal mine underground scraper conveyor walkway bridge of claim 1, wherein, The bottom of two connecting frames (108) is fixedly connected with limiting baffle (109), the bottom of two limiting baffle (109) is symmetrically fixedly connected with two top support pieces (110), the top support piece (110) is in contact with the top of side guard plate of scraper conveyor, and the bottom inner wall of top support piece (110) is fixedly provided with buffer pad (111).

4. The coal mine underground scraper conveyor walkway bridge of claim 3, wherein, The side wall of two guardrail frames (104) is fixedly provided with lighting lamp strip (105).

5. The coal mine underground scraper conveyor walkway bridge of claim 3, wherein, The top of one guardrail frame (104) is fixedly connected with U-shaped plate (106), and LED prompt plate (107) is fixedly arranged in U-shaped plate (106).

6. The coal mine underground scraper conveyor walkway bridge of claim 3, wherein, The both ends of stair plate (204) are fixedly connected with connecting shaft (205), connecting shaft (205) is rotatably connected with inclined strut one (202), and the both ends of connecting shaft (205) on one side are rotatably connected with inclined strut two (203), the bottom end between two inclined strut two (203) is fixedly connected with anti-skid bottom plate (209), and the bottom end between two inclined strut one (202) is rotatably connected with rotating shaft (207), and the both ends of rotating shaft (207) are fixedly connected with rolling wheel (208).

7. The coal mine underground scraper conveyor walkway bridge of claim 6, wherein, The side wall of inclined strut two (203) is fixedly connected with positioning column (206), the side wall of two connecting frames (108) is rotatably connected with rotating clamping plate (113), clamping interface (114) is arranged in rotating clamping plate (113) and is clamped with positioning column (206), the side wall of connecting frame (108) is fixedly connected with storage plate (112), and rotating clamping plate (113) is stored in storage plate (112).

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