CN216342326U - Early warning equipment for roof collapse disasters of coal mine tunnel - Google Patents
Early warning equipment for roof collapse disasters of coal mine tunnel Download PDFInfo
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- CN216342326U CN216342326U CN202122987341.0U CN202122987341U CN216342326U CN 216342326 U CN216342326 U CN 216342326U CN 202122987341 U CN202122987341 U CN 202122987341U CN 216342326 U CN216342326 U CN 216342326U
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Abstract
The utility model relates to the technical field of disaster early warning equipment and discloses early warning equipment for roof collapse disasters of a coal mine tunnel, which comprises a top frame, wherein telescopic rods are fixedly arranged at two ends of the top frame, pressing plates are fixedly arranged at the tops of the two telescopic rods together, springs are sleeved on rod walls of the telescopic rods, two ends of each spring are fixedly connected with the pressing plates and the top frame respectively, a through groove is formed in the top of the top frame, connecting rods are fixedly arranged at two ends of the top of the inner surface of the top frame, connecting plates are fixedly arranged at the bottoms of the two connecting rods together, limiting plates are fixedly arranged at two ends of the bottom of each connecting plate, vertical rods are rotatably arranged at two ends of each connecting plate through first bearings, a rock fall prevention mechanism is arranged at the lower ends of the vertical rods, and a downward pressing transmission mechanism is arranged between each through groove and the two vertical rods. The utility model can not only improve and provide early warning, but also effectively cover and protect constructors when roof collapse disasters occur.
Description
Technical Field
The utility model relates to the technical field of disaster early warning equipment, in particular to early warning equipment for roof collapse disasters of a coal mine roadway.
Background
The roof fall accident refers to an accident caused by collapse of a ventilation duct during mine excavation, and is frequently generated in the production process of a mine excavation working face, so that the roof fall accident needs to be effectively pre-warned.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the current roof fall early warning setting can only carry out early warning work when a roof fall accident occurs, and effective protection can not be provided for constructors in a roadway.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that roof fall early warning equipment in the prior art can only perform early warning and cannot protect constructors, and provides the roof fall disaster early warning equipment for a coal mine roadway.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a colliery tunnel roof fall calamity's early warning equipment, includes the roof-rack, the top both ends of roof-rack are all fixed and are equipped with the telescopic link, two the top of telescopic link is fixed jointly and is equipped with the clamp plate, the pole wall cover of telescopic link is equipped with the spring, the both ends of spring respectively with clamp plate and roof-rack fixed connection, logical groove has been seted up at the top of roof-rack, the internal surface top both ends of roof-rack are all fixed and are equipped with the connecting rod, two the bottom of connecting rod is fixed jointly and is equipped with the connecting plate, the bottom both ends of connecting plate are all fixed and are equipped with the limiting plate, the both ends of connecting plate all are rotated through first bearing and are equipped with the montant, the lower extreme of montant is equipped with anti-falling stone mechanism, logical groove and two be equipped with down drive mechanism between the montant.
Preferably, prevent falling rock mechanism includes the arm-tie, the fixed board of accepting that is equipped with a plurality of intervals and sets up between arm-tie and the limiting plate, adjacent two it articulates the setting to accept between the board.
Preferably, a plurality of the bearing plates are arranged in a folding mode.
Preferably, it includes rack and gear to push down drive mechanism, the bottom fixed connection of rack and clamp plate, the internal surface both ends that lead to the groove all rotate the cover jointly through the second bearing and are equipped with the bull stick, the fixed lateral wall of locating the bull stick of gear, the fixed cover that is equipped with first bevel gear, two is all fixed at the both ends of bull stick the top of montant is all fixed the cover and is equipped with second bevel gear, first bevel gear and second bevel gear meshing setting.
Preferably, the rack is meshed with the gear, and the rack is located inside the through groove.
Preferably, the top of the top frame is provided with a plurality of symmetrical mounting bolts in a threaded sleeve mode.
Compared with the prior art, the utility model provides early warning equipment for roof collapse disasters of coal mine roadways, which has the following beneficial effects:
1. this early warning equipment of colliery tunnel calamity that falls into the roof, through connecting rod, connecting plate, limiting plate, montant that are equipped with and accept the board, through two boards of accepting that expand the setting, can advance to cover the protection below the roof-rack, carry out safety protection to constructor when carrying out the calamity early warning that falls into the roof.
2. This early warning equipment of colliery tunnel roof fall calamity through the push down drive mechanism who is equipped with and lead to the groove, can make a plurality of boards of accepting of falling rocks mechanism inside expand when the calamity takes place to improve the protection in certain space.
The device has the advantages that the operation is convenient, early warning can be improved and fallen stones and the like can be received when a roof fall disaster occurs, and personnel damage caused by falling of the fallen stones is avoided as much as possible.
Drawings
Fig. 1 is a schematic structural diagram of an early warning device for roof collapse disasters of a coal mine roadway, which is provided by the utility model;
FIG. 2 is a schematic top view of the top frame of FIG. 1;
fig. 3 is an enlarged view of a portion a of fig. 1.
In the figure: 1 top frame, 2 telescopic rods, 3 pressing plates, 4 springs, 5 connecting rods, 6 connecting plates, 7 limiting plates, 8 vertical rods, 9 pulling plates, 10 bearing plates, 11 racks, 12 gears, 13 rotating rods, 14 first bevel gears and 15 second bevel gears.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, the early warning device for the roof fall disaster of the coal mine tunnel comprises a top frame 1, wherein a plurality of symmetrical mounting bolts are sleeved on the top of the top frame 1 in a threaded manner, the position of the top frame 1 is stably determined through the mounting bolts, telescopic rods 2 are fixedly arranged at two ends of the top frame 1, and a pressing plate 3 is fixedly arranged at the tops of the two telescopic rods 2;
the spring 4 is sleeved on the rod wall of the telescopic rod 2, two ends of the spring 4 are respectively and fixedly connected with the pressing plate 3 and the top frame 1, and the spring 4 is arranged, so that certain buffering can be performed through the spring 4 when a stone falls on the pressing plate 3, and the damage to the pressing plate 3 is reduced as much as possible;
logical groove has been seted up at the top of roof-rack 1, and the internal surface top both ends of roof-rack 1 are all fixed and are equipped with connecting rod 5, and the bottom of two connecting rods 5 is fixed jointly and is equipped with connecting plate 6, and the bottom both ends of connecting plate 6 are all fixed and are equipped with limiting plate 7, and the both ends of connecting plate 6 all rotate through first bearing and are equipped with montant 8, rotate through first bearing to montant 8 and make.
The lower extreme of montant 8 is equipped with prevents falling rocks mechanism, prevents falling rocks mechanism and includes arm-tie 9, and fixed being equipped with the board 10 of accepting that a plurality of intervals set up between arm-tie 9 and the limiting plate 7, adjacent two accept articulated setting between the board 10, and a plurality of board 10 of accepting are folding setting, and a plurality of board 10 of accepting can expand semicircular in shape setting to effectively cover the protection to the staff of roof-rack 1 below, avoid receiving falling rocks to injure by a crashing object as far as possible.
A downward pressing transmission mechanism is arranged between the through groove and the two vertical rods 8, the downward pressing transmission mechanism comprises a rack 11 and a gear 12, the rack 11 is fixedly connected with the bottom of the pressing plate 3, two ends of the inner surface of the through groove are jointly rotatably sleeved with a rotating rod 13 through a second bearing, and the gear 12 is fixedly sleeved on the outer side wall of the rotating rod 13;
In the utility model, when a roof fall accident occurs, the falling rocks at the top fall down to press the pressing plate 3, so that the pressing plate 3 pushes the telescopic rod 2 and the spring 4 to move, in the process, the pressing plate 3 drives the rack 11 to move downwards, so that the rack 11 drives the rotating rod 13 to rotate through the meshing with the gear 12, the first bevel gears 14 at the two ends of the rotating rod 13 drive the two vertical rods 8 to rotate through the meshing with the second bevel gears 15, in the rotating process of the two vertical rods 8, the pull plates 9 on the rod walls of the vertical rods 8 pull the bearing plates 10 to transversely expand, and as the bearing plates 10 are hinged, after the pressing plate 3 is completely pressed down, the two pull plates 9 rotate from the limiting plate 7 at one side to the limiting plate 7 at the other side, so that the combination of the bearing plates 10 covers the space below the roof frame 1, and provides protection for workers in a certain space, the use effect of the early warning equipment is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The early warning device for the roof fall disaster of the coal mine roadway comprises a top frame (1) and is characterized in that telescopic rods (2) are fixedly arranged at two ends of the top frame (1), a pressing plate (3) is fixedly arranged at the tops of the two telescopic rods (2) together, a spring (4) is sleeved on the rod wall of each telescopic rod (2), two ends of each spring (4) are fixedly connected with the pressing plate (3) and the top frame (1) respectively, a through groove is formed in the top of the top frame (1), connecting rods (5) are fixedly arranged at two ends of the top of the inner surface of the top frame (1), connecting plates (6) are fixedly arranged at the bottoms of the two connecting rods (5) together, limiting plates (7) are fixedly arranged at two ends of the bottom of each connecting plate (6), vertical rods (8) are rotatably arranged at two ends of each connecting plate (6) through first bearings, and stone falling prevention mechanisms are arranged at the lower ends of the vertical rods (8), a pressing transmission mechanism is arranged between the through groove and the two vertical rods (8).
2. The coal mine roadway roof fall disaster early warning device according to claim 1, wherein the rock fall prevention mechanism comprises a pulling plate (9), a plurality of bearing plates (10) arranged at intervals are fixedly arranged between the pulling plate (9) and the limiting plate (7), and every two adjacent bearing plates (10) are hinged to each other.
3. A coal mine roadway roof fall disaster early warning device according to claim 2, wherein a plurality of the bearing plates (10) are folded.
4. The coal mine roadway roof fall disaster early warning device as claimed in claim 1, wherein the downward pressing transmission mechanism comprises a rack (11) and a gear (12), the rack (11) is fixedly connected with the pressing plate (3) at the bottom, two ends of the inner surface of the through groove are respectively and jointly rotatably sleeved with a rotating rod (13) through a second bearing, the gear (12) is fixedly sleeved on the outer side wall of the rotating rod (13), two ends of the rotating rod (13) are respectively and fixedly sleeved with a first bevel gear (14), two tops of the vertical rods (8) are respectively and fixedly sleeved with a second bevel gear (15), and the first bevel gear (14) and the second bevel gear (15) are meshed.
5. A coal mine roadway roof fall disaster early warning device according to claim 4, wherein the rack (11) and the gear (12) are meshed, and the rack (11) is located in the through groove.
6. The coal mine roadway roof fall disaster early warning device according to claim 1, wherein a plurality of symmetrical mounting bolts are sleeved on the top of the top frame (1) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122987341.0U CN216342326U (en) | 2021-12-01 | 2021-12-01 | Early warning equipment for roof collapse disasters of coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122987341.0U CN216342326U (en) | 2021-12-01 | 2021-12-01 | Early warning equipment for roof collapse disasters of coal mine tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN216342326U true CN216342326U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122987341.0U Active CN216342326U (en) | 2021-12-01 | 2021-12-01 | Early warning equipment for roof collapse disasters of coal mine tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386454A (en) * | 2023-11-15 | 2024-01-12 | 山东铁鹰建设工程有限公司 | Tunnel collapse early warning device |
-
2021
- 2021-12-01 CN CN202122987341.0U patent/CN216342326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386454A (en) * | 2023-11-15 | 2024-01-12 | 山东铁鹰建设工程有限公司 | Tunnel collapse early warning device |
| CN117386454B (en) * | 2023-11-15 | 2024-03-22 | 山东铁鹰建设工程有限公司 | Tunnel collapse early warning device |
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