CN111911202A - Coal mine rock burst supporting device - Google Patents
Coal mine rock burst supporting device Download PDFInfo
- Publication number
- CN111911202A CN111911202A CN202010619187.9A CN202010619187A CN111911202A CN 111911202 A CN111911202 A CN 111911202A CN 202010619187 A CN202010619187 A CN 202010619187A CN 111911202 A CN111911202 A CN 111911202A
- Authority
- CN
- China
- Prior art keywords
- supporting
- rod
- hydraulic cylinder
- hinged
- fixing
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/0206—Hydraulically operated extension devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/06—Cantilever extension or similar protecting devices for use in drifting galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a coal mine rock burst supporting device, which belongs to the technical field of rock burst equipment and comprises a base, a first supporting rod, a second supporting rod, a first supporting plate and a second supporting plate, wherein the upper end surface of the base is fixedly connected with two parallel supporting seats, one end of the first supporting rod is hinged with the supporting seats, the other end of the first supporting rod is hinged with the second supporting rod, a first hydraulic cylinder and a second hydraulic cylinder are hinged with the supporting seats, a piston rod of the first hydraulic cylinder is hinged with the first supporting rod, a piston rod of the second hydraulic cylinder is hinged with the second supporting rod, the first supporting plate is hinged on the first supporting rod, the second supporting plate is arranged on the second supporting rod, first fixing holes are formed in two ends of the base, and first fixing nails are arranged in the first fixing holes. During the installation, the base is placed along the length direction equidistance in tunnel, and first staple is fixed in the tunnel subaerially with the base, adjusts first pneumatic cylinder and second pneumatic cylinder according to the concrete situation in tunnel, makes first backup pad and the laminating tunnel lateral wall of second backup pad.
Description
Technical Field
The invention relates to the technical field of rock burst equipment, in particular to a coal mine rock burst supporting device.
Background
Rock burst refers to the phenomenon of sudden damage in an adjacent hollow rock mass in a deep part of underground mining or a region with high structural stress. This occurs because the strain energy adjacent to the volume accumulation of the empty rock is suddenly and violently released all together, causing brittle fracture of the rock mass like an explosion. Rock burst causes a large amount of rock to collapse. Therefore, in coal mining, a roadway needs to be supported, and the conventional support device for coal mine rock burst mostly adopts a support mode of a steel pipe pile, a support guard plate and a frame, for example, chinese patent with patent publication No. CN 205297603U. In the process of constructing the supporting device, in order to increase the connection strength between the steel pipe pile and the soil layer, the lower end of the steel pipe pile needs to be inserted into the soil layer, the height of the roadway is limited, the steel pipe pile is difficult to transport, and the construction process of the steel pipe pile is difficult to construct. Therefore, a support device which is cheap to build is urgently needed.
Disclosure of Invention
The invention aims at the problems in the prior art and provides a coal mine rock burst supporting device which is realized by the following technical scheme:
a coal mine rock burst supporting device comprises a base, a first supporting rod, a second supporting rod, a first supporting plate and a second supporting plate, wherein two parallel supporting seats are fixedly connected to the upper end face of the base, one end of the first supporting rod is hinged to the two parallel supporting seats, the other end of the first supporting rod is hinged to the second supporting rod, a first hydraulic cylinder and a second hydraulic cylinder are hinged to the supporting seats, cylinder barrels of the first hydraulic cylinder and the second hydraulic cylinder are respectively hinged to the supporting seats, a piston rod of the first hydraulic cylinder is hinged to one end, far away from the supporting seats, of the first supporting rod, a piston rod of the second hydraulic cylinder is hinged to one end, close to the first supporting rod, of the second supporting rod, the first supporting plate is hinged to one end, far away from the supporting seats, of the second supporting plate is arranged on the second supporting rod, and first fixing holes are formed in two ends of the base, a first fixing nail is arranged in the first fixing hole.
The invention is further configured to: and the upper surface of the second supporting rod is fixedly connected with an H-shaped fixed seat.
The invention is further configured to: the second support rod is box-shaped steel, a third hydraulic cylinder is fixedly connected to the inner cavity of the second support rod, a cylinder barrel of the third hydraulic cylinder is located at one end, close to the first support rod, of the second support rod, a third support rod is fixedly connected to a piston rod of the third hydraulic cylinder, the third support rod is connected with the second support rod in a sliding mode, the third support rod is box-shaped steel, a fixed cylinder is fixedly connected to the inner cavity of the third support rod in an equidistant mode along the moving direction of the third support rod, a spring is fixedly connected to the inner side of the fixed cylinder, a fixed rod is fixedly connected to the other end of the spring in a sliding mode, the fixed rod is connected with the fixed cylinder in a sliding mode, a third fixing hole corresponding to the fixed rod is formed in the side wall, parallel to the side wall.
The invention is further configured to: one end of the third supporting plate, which is far away from the third hydraulic cylinder, is fixedly connected with a clamping block for fixing the third supporting plate. The joint piece prevents that the third backup pad from taking place to remove along the moving direction of third bracing piece.
The invention is further configured to: the base four corners department sets up the second fixed orifices of slope, be provided with the second staple of slope in the second fixed orifices, four the second staple is the emission form. The second fixing nail in a scattering shape can enhance the fixing firmness of the base.
In conclusion, the beneficial technical effects of the invention are as follows:
1. during installation, the supporting device is placed in a roadway, the bases are placed at equal intervals along the length direction of the roadway, the bases are fixedly connected to the ground of the roadway through the first fixing nails, and the extension and retraction of the piston rods of the first hydraulic cylinders are adjusted according to the specific conditions in the roadway, so that the first supporting plates are attached to the side wall of the roadway; the extension and retraction of the piston rod of the second hydraulic cylinder are adjusted, then the second support plate is lapped on two adjacent second support rods, so that the second support plate is attached to the top wall of the roadway, the supporting device is convenient to install, can be adjusted according to the specific conditions in the roadway, and can adapt to the roadways with different conditions;
2. when the third support rod protrudes out of the second support rod, the fixed rod protrudes out of the side wall of the third support rod through a third fixing hole under the action of a spring, the third support plate is lapped on two adjacently arranged third support plates, the fixed rod fixes the third support plates lapped on the third support rod, and the third support plates are arranged to adapt to roadways with different widths;
3. the second fixing nails in scattering shapes on the base can enhance the firmness of the fixing of the base.
Drawings
Fig. 1 is an isometric view for showing the overall construction of the present embodiment;
FIG. 2 is a plan view for showing the overall structure of the present embodiment;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 3;
fig. 5 is an enlarged view of a portion C in fig. 3.
Reference numerals: 1. a base; 11. a supporting seat; 12. a first fixing hole; 13. a first staple; 14. a second fixing hole; 15. a second staple; 2. a first support bar; 3. a second support bar; 31. a fixed seat; 4. a first support plate; 5. a second support plate; 6. a first hydraulic cylinder; 7. a second hydraulic cylinder; 8. a third support bar; 81. a fixed cylinder; 82. a spring; 83. fixing the rod; 84. a third fixing hole; 85. a clamping block; 9. a third hydraulic cylinder; 10. and a third support plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1-5, the coal mine rock burst supporting device disclosed by the invention comprises a base 1, a first supporting rod 2, a second supporting rod 3, a first supporting plate 4 and a second supporting plate 5, wherein the upper end surface of the base 1 is fixedly connected with two parallel supporting seats 11, one end of the first supporting rod 2 is hinged with the two parallel supporting seats 11, the other end of the first supporting rod 2 is hinged with the second supporting rod 3, the supporting seats 11 are hinged with a first hydraulic cylinder 6 and a second hydraulic cylinder 7, the cylinder barrels of the first hydraulic cylinder 6 and the second hydraulic cylinder 7 are respectively hinged with the supporting seats 11, the piston rod of the first hydraulic cylinder 6 is hinged with one end of the first supporting rod 2 far away from the supporting seats 11, the piston rod of the second hydraulic cylinder 7 is hinged with one end of the second supporting rod 3 near the first supporting rod 2, the first supporting plate 4 is hinged with one end of the first supporting rod 2 far away from the supporting, the second supporting plate 5 is arranged on the second supporting rod 3, first fixing holes 12 are formed in two ends of the base 1, and first fixing nails 13 are arranged in the first fixing holes 12. During installation, the supporting device is placed in a roadway, the bases 1 are placed at equal intervals along the length direction of the roadway, the bases 1 are fixedly connected to the ground of the roadway through the first fixing nails 13, and the extension and contraction of the piston rods of the first hydraulic cylinders 6 are adjusted according to the specific conditions in the roadway, so that the first supporting plates 4 are attached to the side wall of the roadway; readjust the flexible of 7 piston rods of second pneumatic cylinder, then with 5 overlap joints of second backup pad on two adjacent second bracing pieces 3, make 5 laminating tunnel roof of second backup pad, supporting device simple to operate, supporting device can adjust according to the particular case in the tunnel in addition, can adapt to the tunnel of different situations.
Fix second backup pad 5 when making things convenient for second backup pad 5 to install, fixed surface is connected with the fixing base 31 of H type on the 3 second bracing pieces, 5 joints of second backup pad between two adjacent fixing bases 31, and fixing base 31 prevents that second backup pad 5 from taking place to remove.
The second support rod 3 is box-shaped steel, the inner cavity of the second support rod 3 is fixedly connected with a third hydraulic cylinder 9, the cylinder barrel of the third hydraulic cylinder 9 is positioned at one end of the second support rod 3 close to the first support rod 2, a third support rod 8 is fixedly connected to the piston rod of the third hydraulic cylinder 9, the third support rod 8 is connected with the second support rod 3 in a sliding manner, the third support rod 8 is box-shaped steel, the inner cavity of the third support rod 8 is fixedly connected with a fixed cylinder 81 along the moving direction of the third support rod, a spring 82 is fixedly connected to the fixed cylinder 81, a fixed rod 83 is fixedly connected to the other end of the spring 82 in a sliding manner, a third fixed hole 84 corresponding to the fixed rod 83 is formed in the side wall of the third support rod 8 parallel to the side wall of the fixed cylinder 81, and a third support plate 10 is. When the third support bar 8 protrudes from the second support bar 3, the fixing rod 83 protrudes from the side wall of the third support bar 8 through the third fixing hole 84 under the action of the spring 82, the third support plate 10 is overlapped on two adjacently arranged third support plates 10, and the fixing rod 83 fixes the third support plate 10 overlapped on the third support bar 8 to adapt to roadways with different widths by arranging the third support plates 10.
One end of the third support plate 10, which is far away from the third hydraulic cylinder 9, is fixedly connected with a clamping block 85 for fixing the third support plate 10. The catching block 85 prevents the third support plate 10 from moving in the moving direction of the third support bar 8.
The oblique second fixing holes 14 are formed in the four corners of the base 1, oblique second fixing nails 15 are arranged in the second fixing holes 14, and the four second fixing nails 15 are in a transmitting shape. The second fixing nails 15 in scattering shape can enhance the fixing firmness of the base 1.
Claims (5)
1. The coal mine rock burst supporting device is characterized by comprising a base (1), a first supporting rod (2), a second supporting rod (3), a first supporting plate (4) and a second supporting plate (5), wherein two supporting seats (11) which are arranged in parallel are fixedly connected to the upper end face of the base (1), one end of the first supporting rod (2) is hinged to the two supporting seats (11) which are arranged in parallel, the other end of the first supporting rod (2) is hinged to the second supporting rod (3), the supporting seats (11) are hinged to a first hydraulic cylinder (6) and a second hydraulic cylinder (7), cylinder barrels of the first hydraulic cylinder (6) and the second hydraulic cylinder (7) are hinged to the supporting seats (11) respectively, a piston rod of the first hydraulic cylinder (6) is hinged to one end, far away from the supporting seats (11), of the second hydraulic cylinder (7) is hinged to one end, close to the first supporting rod (2), of the second supporting rod (3), first backup pad (4) articulate in the one end of keeping away from supporting seat (11) in first bracing piece (2), second backup pad (5) set up on second bracing piece (3), first fixed orifices (12) have been seted up at base (1) both ends, be provided with first staple (13) in first fixed orifices (12).
2. The coal mine rock burst supporting device according to claim 1, wherein an H-shaped fixed seat (31) is fixedly connected to the upper surface of the second supporting rod (3).
3. The coal mine rock burst supporting device as recited in claim 1, wherein the second support rod (3) is made of box-shaped steel, a third hydraulic cylinder (9) is fixedly connected to an inner cavity of the second support rod (3), a cylinder of the third hydraulic cylinder (9) is located at one end of the second support rod (3) close to the first support rod (2), a piston rod of the third hydraulic cylinder (9) is fixedly connected with a third support rod (8), the third support rod (8) is connected with the second support rod (3) in a sliding manner, the third support rod (8) is made of box-shaped steel, a fixed cylinder (81) is fixedly connected to an inner cavity of the third support rod (8) at equal intervals along the moving direction of the third support rod, a spring (82) is fixedly connected to the inside of the fixed cylinder (81), a fixed rod (83) is fixedly connected to the other end of the spring (82), and the fixed rod (83) is connected with the fixed cylinder (81) in, and a third fixing hole (84) corresponding to the fixing rod (83) is formed in the side wall of the third supporting rod (8) parallel to the side wall of the fixing cylinder (81), and a third supporting plate (10) is arranged on the fixing rod (83).
4. The coal mine rock burst support device according to claim 3, wherein one end of the third support plate (10) far away from the third hydraulic cylinder (9) is fixedly connected with a clamping block (85) for fixing the third support plate (10).
5. The coal mine rock burst supporting device according to claim 1, wherein inclined second fixing holes (14) are formed in four corners of the base (1), inclined second fixing nails (15) are arranged in the second fixing holes (14), and four second fixing nails (15) are in a launching shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619187.9A CN111911202B (en) | 2020-07-01 | 2020-07-01 | Colliery rock burst supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619187.9A CN111911202B (en) | 2020-07-01 | 2020-07-01 | Colliery rock burst supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111911202A true CN111911202A (en) | 2020-11-10 |
| CN111911202B CN111911202B (en) | 2022-05-06 |
Family
ID=73227114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010619187.9A Expired - Fee Related CN111911202B (en) | 2020-07-01 | 2020-07-01 | Colliery rock burst supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911202B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756853A (en) * | 2021-07-31 | 2021-12-07 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protector |
| CN114278286A (en) * | 2021-12-27 | 2022-04-05 | 安徽理工大学 | Traction type tunnel pipe erecting machine for coal mine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1282574B (en) * | 1967-07-01 | 1968-11-14 | Hansjoachim Von Hippel Dr Ing | Device for advancing the Vorpfaendkappe of a longwall construction |
| CN104018868A (en) * | 2014-06-20 | 2014-09-03 | 山西东华机械有限公司 | Integrated gate type fore support |
| CN206816282U (en) * | 2017-06-29 | 2017-12-29 | 李贺 | A kind of coal mining supporting |
| CN207245734U (en) * | 2017-09-30 | 2018-04-17 | 四川迅海防爆柴油机车制造有限公司 | A kind of mining bracket for being easily installed dismounting |
| CN110094220A (en) * | 2019-04-29 | 2019-08-06 | 北京诚田恒业煤矿设备有限公司 | A kind of mining two columns guide rod type erosion control tunnel advanced hydraulic support |
| CN209637785U (en) * | 2019-03-12 | 2019-11-15 | 郑传芳 | A kind of coal production suspension device |
-
2020
- 2020-07-01 CN CN202010619187.9A patent/CN111911202B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1282574B (en) * | 1967-07-01 | 1968-11-14 | Hansjoachim Von Hippel Dr Ing | Device for advancing the Vorpfaendkappe of a longwall construction |
| CN104018868A (en) * | 2014-06-20 | 2014-09-03 | 山西东华机械有限公司 | Integrated gate type fore support |
| CN206816282U (en) * | 2017-06-29 | 2017-12-29 | 李贺 | A kind of coal mining supporting |
| CN207245734U (en) * | 2017-09-30 | 2018-04-17 | 四川迅海防爆柴油机车制造有限公司 | A kind of mining bracket for being easily installed dismounting |
| CN209637785U (en) * | 2019-03-12 | 2019-11-15 | 郑传芳 | A kind of coal production suspension device |
| CN110094220A (en) * | 2019-04-29 | 2019-08-06 | 北京诚田恒业煤矿设备有限公司 | A kind of mining two columns guide rod type erosion control tunnel advanced hydraulic support |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756853A (en) * | 2021-07-31 | 2021-12-07 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protector |
| CN113756853B (en) * | 2021-07-31 | 2024-05-10 | 山东省煤田地质规划勘察研究院 | Deep well soft rock stratum rock burst protection device |
| CN114278286A (en) * | 2021-12-27 | 2022-04-05 | 安徽理工大学 | Traction type tunnel pipe erecting machine for coal mine |
| CN114278286B (en) * | 2021-12-27 | 2024-04-30 | 安徽理工大学 | Traction type tunnel pipe supporting machine for coal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111911202B (en) | 2022-05-06 |
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Granted publication date: 20220506 |