AU2021100423A4 - A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous Rocks from Falling - Google Patents
A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous Rocks from Falling Download PDFInfo
- Publication number
- AU2021100423A4 AU2021100423A4 AU2021100423A AU2021100423A AU2021100423A4 AU 2021100423 A4 AU2021100423 A4 AU 2021100423A4 AU 2021100423 A AU2021100423 A AU 2021100423A AU 2021100423 A AU2021100423 A AU 2021100423A AU 2021100423 A4 AU2021100423 A4 AU 2021100423A4
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- AU
- Australia
- Prior art keywords
- rod
- support sleeve
- cross beam
- reinforced
- prevention device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model claims a roof fall prevention device of coal mine roadway for preventing
dangerous rocks from falling, comprising a support sleeve, a fixed regulating plate, a reinforced
cross beam and a top rod, wherein a reinforced thorn is installed on the surface of the support
sleeve, a top end of the support sleeve and a vertical regulating rod are connected with each
other, the fixed regulating plate and the support sleeve are connected with each other, the
reinforced cross beam is connected with a connecting bending column through another fixed
regulating plate, an auxiliary fixed plate is installed on the reinforced cross beam, a mounting
hole is fixed on the reinforced cross beam and connected with an auxiliary sleeve through a
telescopic rod, top ends of the top rod and the vertical regulating rod are connected with each
other, and the top rod is connected with a leakage-proof plate through a banding ring. The roof
fall prevention device of coal mine roadway for preventing dangerous rocks from falling can
adjust its overall structure according to the specifications of the roadway, with more convenient
installation and laying process, and more stable structure is more stable, and it can effectively
prevent the falling of dangerous rocks, with better safety performance.
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Description
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A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous
Rocks from Falling
[01] The utility model refers to the field of coal mining technology, in particular to a roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling.
[02] Roof fall means that in underground mining, the roof of coal seam is deformed and damaged after roadway excavation, and the rock strap-fall accident occurs when the support is not in place, which is called roof fall.
[03] With the continuous development of coal mining technology and social productivity, people pay more and more attention to the safety of coal mining. Roof fall is one of the dangerous phenomena that occur easily in coal mining. It is necessary to use a specific device to support and reinforce the coal mine roadway, but the existing roof fall prevention device in use cannot be adjusted according to the specific specifications of the roadway device structure; the installation and laying process is extremely complex; and it has the disadvantage of being unable to prevent the fall of dangerous rocks.
[04] In order to solve the above problems, it is urgent to innovate the design on the basis of the original roof fall prevention device.
[05] The purpose of the utility model is to provide a roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling, so as to solve the problem that the device structure cannot be adjusted according to the specific specifications of the roadway proposed in the background. The installation and laying process is extremely complex; and it has the disadvantage of being unable to prevent the fall of dangerous rocks.
[06] To achieve the above purposes, the utility model provides the following technical solution: a roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling, comprising a support sleeve, a fixed regulating plate, a reinforced cross beam and a top rod, wherein a reinforced thorn is installed on the surface of the support sleeve, and there is a reserved hole on the support sleeve, a top end of the support sleeve and a vertical regulating rod are connected with each other, and a fastener passes through the support sleeve and extends to the vertical regulating rod; the fixed regulating plate and the support sleeve are connected with each other, and the fixed regulating plate is connected with a connecting inclined plate through a connecting bending column; the reinforced cross beam is connected with the connecting bending column through another fixed regulating plate, an auxiliary fixed plate is installed on the reinforced cross beam, a mounting hole is fixed on the reinforced cross beam and connected with an auxiliary sleeve through a telescopic rod, top ends of the top rod and the vertical regulating rod are connected with each other, and the top rod is connected with a leakage-proof plate through a banding ring.
[07] Preferably, the reinforced thorn and the support sleeve are of an integrated structure, and each support sleeve is equipped with at least two reinforced thorns.
[08] Preferably, the vertical regulating rod and the support sleeve constitute a telescopic mechanism, and the vertical regulating rod and the transverse support rod form an included angle of 90.
[09] Preferably, the connecting bending column and the fixed regulating plate constitute a rotating mechanism, and the connecting bending column is of an L-shaped structure.
[010] Preferably, both the reinforced cross beam and the support sleeve are equipped with a reserved hole respectively, and the reinforced cross beam is welded with the auxiliary fixed plate.
[011] Preferably, the top end of the telescopic rod is in threaded connection with the mounting hole, and the telescopic rod and the auxiliary sleeve constitute the telescopic mechanism.
[012] Preferably, the leakage-proof plate and the top rod are distributed in parallel, and the top rod and the vertical regulating rod are of a disassembly and installation structure.
[013] Compared with the prior art, the utility model has the following beneficial effects: the roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling can adjust its overall structure according to the specifications of the roadway, with more convenient installation and laying process, and more stable structure is more stable, and it can effectively prevent the falling of dangerous rocks, with better safety performance;
[014] 1. The use of the reinforced thorn can provide a more stable installation of the support sleeve, and the overall structure is more stable;
[015] 2. The use of the vertical regulating rod can easily regulate the overall height of the transverse support rod, so that the top area of the device can better fit with the roadway;
[016] 3. The connecting bending column is designed as a rotating mechanism, and used in combination with the fixed regulating plate, so that the overall structure size of the device can be easily regulated, and the scope of application is wider;
[017] 4. The telescopic rod and auxiliary sleeve can be used for reinforcing the reinforced cross beam at the initial stage of installation, and it is more convenient to disassemble; and
[018] 5. The use of the leakage-proof plate can well support the top area of the roadway, preventing the fall of dangerous rock, and the safety performance is better.
[019] Fig. 1 shows a front structural diagram of the utility model;
[020] Fig. 2 shows a schematic diagram of enlarged section structure at A of the utility model; and
[021] Fig. 3 shows a side structural diagram of the utility model.
[022] In the figure: 1 - support sleeve, 2 - reinforced thorn, 3 - reserved hole, 4 vertical regulating rod, 5 - fastener, 6 - fixed regulating plate, 7 - connecting bending column, 8 - connecting inclined plate, 9 - reinforced cross beam, 10 - auxiliary fixed plate, 11 - mounting hole, 12 - telescopic rod, 13 - auxiliary sleeve, 14 - top rod, 15 banding ring, 16 - leakage-proof plate
[023] The following is clear and complete description on technical solution in the embodiments of the utility model in combination with the attached drawings in the embodiments of the utility model. Obviously, the embodiments described are just a part of embodiments of the utility model, not all the embodiments. In view of the embodiment of the utility model, other all embodiments obtained by common technicians in this field with no creative works contributed belong to the protection scope of the utility model.
[024] See Fig. 1-3. The utility model provides a technical solution: a roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling, comprising a support sleeve 1, a reinforced thorn 2, a reserved hole 3, a vertical regulating rod 4, a fastener 5, afixed regulating plate 6, a connecting bending column 7, a connecting inclined plate 8, a reinforced cross beam 9, an auxiliary fixed plate 10, a mounting hole 11, a telescopic rod 12, an auxiliary sleeve 13, a top rod 14, a banding ring 15 and a leakage-proof plate 16, wherein a reinforced thorn 2 is installed on the surface of the support sleeve 1, and there is a reserved hole 3 on the support sleeve 1, the reinforced thorn 2 and the support sleeve 1 are of an integrated structure, and each support sleeve 1 is equipped with at least two reinforced thorns 2, which can provide a more stable installation of the support sleeve 1, and the overall structure is more stable; a top end of the support sleeve 1 and a vertical regulating rod 4 are connected with each other, and a fastener 5 passes through the support sleeve 1 and extends to the vertical regulating rod 4; the vertical regulating rod 4 and the support sleeve 1 constitute a telescopic mechanism, and the vertical regulating rod 4 and the transverse support rod 14 form an included angle of 900, which can easily regulate the overall height of the transverse support rod 14, so that the top area of the device can better fit with the roadway; the fixed regulating plate 6 and the support sleeve 1 are connected with each other, and the fixed regulating plate 6 is connected with a connecting inclined plate 8 through a connecting bending column 7; the connecting bending column 7 and the fixed regulating plate 6 constitute a rotating mechanism, and the connecting bending column 7 is of an L-shaped structure; the reinforced cross beam 9 is connected with the connecting bending column 7 through another fixed regulating plate 6, an auxiliary fixed plate 10 is installed on the reinforced cross beam 9; both the reinforced cross beam 9 and the support sleeve 1 are equipped with a reserved hole 3 respectively, and the reinforced cross beam 9 is welded with the auxiliary fixed plate 10, so that the overall structure size of the device can be easily regulated, and the scope of application is wider; a mounting hole 11 is fixed on the reinforced cross beam 9 and connected with an auxiliary sleeve 13 through a telescopic rod 12; the top end of the telescopic rod 12 is in threaded connection with the mounting hole 11, and the telescopic rod 12 and the auxiliary sleeve 13 constitute the telescopic mechanism, which can be used for reinforcing the reinforced cross beam 9 at the initial stage of installation, and it is more convenient to disassemble; top ends of the top rod 14 and the vertical regulating rod 4 are connected with each other, and the top rod 14 is connected with a leakage-proof plate 16 through a banding ring 15; the leakage-proof plate 16 and the top rod 14 are distributed in parallel, and the top rod 14 and the vertical regulating rod 14 are of a disassembly and installation structure; the use of the leakage-proof plate 16 can well support the top area of the roadway, preventing the fall of dangerous rock, and the safety performance is better.
[025] Working principle: the overall height of the telescopic rod 12 and the auxiliary sleeve 13 is adjusted to an appropriate degree first, and then the top end of the telescopic rod 12 is installed in the mounting hole 11 on the reinforced cross beam 9; after maintaining the position of the reinforced cross beam 9, it can adjust the position of the fixed regulating plate 6 on the support sleeve 1 according to the specific specifications of the roadway; fixed bolts and other fixed parts pass through the fixed regulating plate 6 to extend into the reserved hole 3 on the support sleeve 1; the connecting bending column 7 and the fixed regulating plate 6 constitute a rotating mechanism, so the other fixed regulating plate 6 can be rotated to an angle vertical to the support sleeve 1, and then the fixed bolts and other fixed parts are used for installing the fixed regulating plate 6 on the reinforced cross beam 9, so as to complete the installation and connection of the reinforced cross beam 9 and the support sleeve 1; the support sleeve 1 and the vertical regulating rod 4 constitute a telescopic mechanism, so the vertical regulating rod 4 can be moved upwards till the leakage-proof plate 16 is fitted to the top area of the roadway, then the fastener 5 is used for fixing the position of vertical regulating rod 4, so as to complete the overall installation of the device; before the installation, the reinforced thorn 2 on the support sleeve 1 can be pierced into the roadway to achieve the purpose of reinforcing and installing the support sleeve 1, which is the installation method for the roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling. Meanwhile, it shall also be noted that the parts not mentioned in this specification are known to professionals in the technical field.
[026] Although the invention has been described with reference to specific examples, it will be appreciated by those skilled in the art that the invention may be embodied in many other forms, in keeping with the broad principles and the spirit of the invention described herein.
[027] The present invention and the described embodiments specifically include the best method known to the applicant of performing the invention. The present invention and the described preferred embodiments specifically include at least one feature that is industrially applicable
Claims (7)
1. A roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling, comprising a support sleeve (1), a fixed regulating plate (6), a reinforced cross beam (9) and a top rod (14), wherein a reinforced thorn (2) is installed on the surface of the support sleeve (1), and there is a reserved hole (3) on the support sleeve (1), a top end of the support sleeve (1) and a vertical regulating rod (4) are connected with each other, and a fastener (5) passes through the support sleeve (1) and extends to the vertical regulating rod (4); the fixed regulating plate (6) and the support sleeve (1) are connected with each other, and the fixed regulating plate (6) is connected with a connecting inclined plate (8) through a connecting bending column (7); the reinforced cross beam (9) is connected with the connecting bending column (7) through another fixed regulating plate (6), an auxiliary fixed plate (10) is installed on the reinforced cross beam (9), a mounting hole (11) is fixed on the reinforced cross beam (9) and connected with an auxiliary sleeve (13) through a telescopic rod (12), top ends of the top rod (14) and the vertical regulating rod (4) are connected with each other, and the top rod (14) is connected with a leakage-proof plate (16) through a banding ring (15).
2. The roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling according to Claim 1, wherein the reinforced thorn (2) and the support sleeve (1) are of an integrated structure, and each support sleeve (1) is equipped with at least two reinforced thorns (2).
3. The roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling according to Claim 1, wherein the vertical regulating rod (4) and the support sleeve (1) constitute a telescopic mechanism, and the vertical regulating rod (4) and the transverse support rod (14) form an included angle of 90.
4. The roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling according to Claim 1, wherein the connecting bending column (7) and the fixed regulating plate (6) constitute a rotating mechanism, and the connecting bending column (7) is of an L-shaped structure.
5. The roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling according to Claim 1, wherein both the reinforced cross beam (9) and the support sleeve (1) are equipped with a reserved hole (3) respectively, and the reinforced cross beam (9) is welded with the auxiliary fixed plate (10).
6. The roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling according to Claim 1, wherein the top end of the telescopic rod (12) is in threaded connection with the mounting hole (11), and the telescopic rod (12) and the auxiliary sleeve (13) constitute the telescopic mechanism.
7. The roof fall prevention device of coal mine roadway for preventing dangerous rocks from falling according to Claim 1, wherein the leakage-proof plate (16) and the top rod (14) are distributed in parallel, and the top rod (14) and the vertical regulating rod (14) are of a disassembly and installation structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2021100423A AU2021100423A4 (en) | 2021-01-22 | 2021-01-22 | A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous Rocks from Falling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2021100423A AU2021100423A4 (en) | 2021-01-22 | 2021-01-22 | A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous Rocks from Falling |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2021100423A4 true AU2021100423A4 (en) | 2021-04-15 |
Family
ID=75397008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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AU2021100423A Ceased AU2021100423A4 (en) | 2021-01-22 | 2021-01-22 | A Roof Fall Prevention Device of Coal Mine Roadway for Preventing Dangerous Rocks from Falling |
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AU (1) | AU2021100423A4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114482564A (en) * | 2022-02-17 | 2022-05-13 | 中国建筑第二工程局有限公司 | Elliptical daylighting roof mounting and supporting structure and construction method thereof |
-
2021
- 2021-01-22 AU AU2021100423A patent/AU2021100423A4/en not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114482564A (en) * | 2022-02-17 | 2022-05-13 | 中国建筑第二工程局有限公司 | Elliptical daylighting roof mounting and supporting structure and construction method thereof |
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FGI | Letters patent sealed or granted (innovation patent) | ||
MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |