CN211397582U - Collapse-preventing coal mine excavation cave mouth supporting and protecting device - Google Patents
Collapse-preventing coal mine excavation cave mouth supporting and protecting device Download PDFInfo
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- CN211397582U CN211397582U CN201921538021.3U CN201921538021U CN211397582U CN 211397582 U CN211397582 U CN 211397582U CN 201921538021 U CN201921538021 U CN 201921538021U CN 211397582 U CN211397582 U CN 211397582U
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Abstract
The utility model discloses a colliery excavation cave mouth of a cave of preventing collapsing supports protector, including motor, slide rail and bolt, the avris at the mount is installed to the motor, the outside of motor shaft is provided with the movable rod, the top of movable rod is provided with the connecting rod, the end department of connecting rod links to each other with the one end of adjusting the pole, and the avris of adjusting the pole is fixed with the stiffener, the other end of adjusting the pole is connected with the installation piece, and installs the backup pad in the inboard of installation piece, be provided with the roof on the mount in the backup pad outside, and the intermediate position of roof has seted up logical groove, the fly leaf is installed to the inboard that leads to the. This colliery cut mining entrance to a cave that prevents collapsing supports protector, can reduce the not hard up phenomenon that constructor business turn over and coal mining equipment striking caused, avoids the ore deposit entrance to cave to can prevent that the gravel and sand at ore deposit entrance to a cave top from dropping and causing harm to constructor, and then promoted construction environment's security.
Description
Technical Field
The utility model relates to a colliery technical field specifically is a colliery that prevents collapsing is excavated entrance to a cave and is supported protector.
Background
Coal mining divide into open-pit mining and underground mining, to underground excavation formula mining, then need dig out a hole, because the coal mine can produce vibrations at the mining in-process, need strutting arrangement to the inside support of mine hole in order to guarantee the inside safety of mine hole, and the position of mine entrance to a cave also need support, make things convenient for constructor's business turn over not cause the damage to mine entrance to a cave, nevertheless current mine entrance to a cave supports protector and has following shortcoming in the support process:
because the strutting arrangement structure at ore cave mouth is too simple, consequently appear not hard up phenomenon easily under constructor business turn over and coal mining equipment's striking, and then cause collapsing of ore cave mouth to because the not enough stability of support, cause the gravel and sand at ore cave mouth top to drop easily, increased construction environment's danger, to above-mentioned problem, need carry out the innovative design on original ore cave mouth supports protector's basis urgently.
Disclosure of Invention
An object of the utility model is to provide a colliery cut mining entrance to a cave of preventing collapsing supports protector to solve above-mentioned background art and propose because the strutting arrangement structure of ore deposit entrance to a cave is too simple, consequently appear not hard up phenomenon easily under constructor business turn over and coal mining equipment's striking, and then cause collapsing of ore deposit entrance to a cave, increased the dangerous problem of construction environment.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-collapse supporting and protecting device for a coal mine mining opening comprises a motor, a slide rail and a bolt, wherein the motor is arranged on the side of a fixed frame, and the end of the motor is connected with a motor shaft, the outer side of the motor shaft is provided with a movable rod, the bottom of the movable rod is connected with the fixed frame through a sliding rail, the top of the movable rod is provided with a connecting rod, a through hole is reserved in the connecting rod, and a bolt penetrates through the through hole, the end of the connecting rod is connected with one end of the adjusting rod, and a reinforcing rod is fixed at the side of the adjusting rod, the other end of the adjusting rod is connected with an installation block, a supporting plate is installed at the inner side of the installation block, a top plate is arranged on a fixed frame at the outer side of the supporting plate, and the middle position of the top plate is provided with a through groove, a movable plate is installed on the inner side of the through groove, and the edge of the movable plate is connected with the fixed frame through a spring.
Preferably, be provided with 2 sections opposite direction thread grooves on the motor shaft, and motor shaft and movable rod be threaded connection to the movable rod passes through slide rail and mount constitution sliding construction.
Preferably, the one end and the movable rod of connecting rod are fixed connection, and the other end and the regulation pole of connecting rod constitute extending structure to the through-hole is equidistant distribution on the connecting rod.
Preferably, the reinforcing rods are symmetrically distributed about the central axis of the fixing frame, the reinforcing rods are connected in a sliding mode, and the end heads of the reinforcing rods are of conical structures.
Preferably, the support plate and the mounting block are of a dismounting and mounting structure connected through bolts, and the support plate is made of spring steel.
Preferably, the movable plate and the top plate are in sliding connection, the edge of the movable plate is attached to the supporting plate, and the top plate is latticed.
Compared with the prior art, the beneficial effects of the utility model are that: the collapse-preventing coal mine excavation cave mouth supporting and protecting device can reduce the loosening phenomenon caused by the entrance and exit of constructors and the collision of coal mine mining equipment, avoid the collapse of a mine cave mouth, prevent sand and stones at the top of the mine cave mouth from falling down and causing harm to the constructors, and further improve the safety of a construction environment;
1. the motor drives the motor shaft to rotate, so that the 2 movable rods can be driven to rotate in opposite directions, the radian of the supporting plate is further changed, the tops of the supporting plate are supported according to mine openings of different specifications, and the reinforcing rods can be driven to penetrate into the mine openings when the movable rods move, so that the stability of the supporting device is improved;
2. the adjusting rod can stretch out and draw back on the connecting rod, and the height that is used for adjusting the backup pad is applicable to the not ore deposit entrance to a cave of co-altitude to can drive the fly leaf and slide in the roof when the backup pad changes the radian, and then avoid falling on the gravel and sand on the roof and drop.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the connecting structure of the connecting rod and the adjusting rod of the present invention;
fig. 3 is a schematic top view of the top plate of the present invention;
fig. 4 is a schematic view of the connection structure of the movable plate and the top plate of the present invention.
In the figure: 1. a fixed mount; 2. an electric motor; 3. a motor shaft; 4. a movable rod; 5. a slide rail; 6. a connecting rod; 7. a through hole; 8. a bolt; 9. adjusting a rod; 10. a reinforcing bar; 11. mounting blocks; 12. a support plate; 13. a top plate; 14. a through groove; 15. a movable plate; 16. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a colliery exploitation cave entrance to a cave that prevents collapsing supports protector, including mount 1, motor 2, motor shaft 3, movable rod 4, slide rail 5, connecting rod 6, through-hole 7, bolt 8, adjust the pole 9, stiffener 10, installation piece 11, backup pad 12, roof 13, logical groove 14, fly leaf 15 and spring 16, motor 2 installs the avris at mount 1, and motor 2's end department is connected with motor shaft 3, the outside of motor shaft 3 is provided with movable rod 4, and the bottom of movable rod 4 links to each other with mount 1 through slide rail 5, the top of movable rod 4 is provided with connecting rod 6, and the inside of connecting rod 6 is reserved has through-hole 7, and the inside of through-hole 7 runs through has bolt 8, the end department of connecting rod 6 links to each other with the one end of adjusting the pole 9, and the avris of adjusting the pole 9 is fixed with stiffener 10, the other end of adjusting the, a supporting plate 12 is mounted on the inner side of the mounting block 11, a top plate 13 is arranged on the fixed frame 1 on the outer side of the supporting plate 12, a through groove 14 is formed in the middle of the top plate 13, a movable plate 15 is mounted on the inner side of the through groove 14, and the edge of the movable plate 15 is connected with the fixed frame 1 through a spring 16;
the motor shaft 3 is provided with 2 sections of thread grooves with opposite directions, the motor shaft 3 is in threaded connection with the movable rods 4, the movable rods 4 form a sliding structure through the sliding rails 5 and the fixed frame 1, the motor shaft 3 can drive the 2 movable rods 4 to synchronously move towards the opposite directions by rotating, and the bottom of the motor shaft slides on the sliding rails 5 to increase the stability;
one end of the connecting rod 6 is fixedly connected with the movable rod 4, the other end of the connecting rod 6 and the adjusting rod 9 form a telescopic structure, the through holes 7 are distributed on the connecting rod 6 at equal intervals, the adjusting rod 9 is pulled to be telescopic on the connecting rod 6 and adjusted to a proper height, and the bolt 8 is inserted into the corresponding through hole 7 to fix the adjusted position;
the reinforcing rods 10 are symmetrically distributed about the central axis of the fixed frame 1 and are in sliding connection, the end heads of the reinforcing rods 10 are in a conical structure, and the movable rod 4 can drive the reinforcing rods 10 to slide on the fixed frame 1 and penetrate into the inner wall of the mine hole when moving, so that the supporting stability of the supporting device is improved;
the supporting plate 12 and the mounting block 11 are of a dismounting and mounting structure connected through bolts, the supporting plate 12 is made of spring steel, the spring steel has good elasticity, and two ends of the spring steel are mounted in the mounting block 11 through bolts so as to be convenient to dismount;
the movable plate 15 and the top plate 13 are connected in a sliding mode, the edge of the movable plate 15 is attached to the supporting plate 12, the top plate 13 is in a grid shape, the radian of the supporting plate 12 changes, the movable plate 15 is in contact with the radian of the supporting plate 12, the supporting plate drives the movable plate to slide in the top plate 13, and therefore a gap generated between the supporting plate 12 and the top plate 13 is small, and falling of sand and stones can be avoided.
The working principle is as follows: when the collapse-preventing coal mine excavation cave mouth supporting and protecting device is used, as shown in fig. 1-2, firstly, an adjusting rod 9 is pulled to stretch on a connecting rod 6 according to the height of a cave mouth, as shown in fig. 2, the adjusting rod is adjusted to a proper height, a bolt 8 is inserted into a corresponding through hole 7 to fix the adjusted position, then a motor 2 drives a motor shaft 3 to rotate, so that 2 movable rods 4 can be driven to synchronously move towards opposite directions, the bottom of the movable rods slides on a sliding rail 5 to increase stability, and when the movable rods 4 move, the reinforcing rods 10 can be driven to slide on a fixed frame 1 and penetrate into the inner wall of the cave mouth, so that the supporting stability of the supporting device is increased;
as shown in fig. 1 and 3-4, the support plate 12 is made of spring steel, and therefore has good elasticity, the two ends of the support plate are installed in the installation block 11 through bolts, the radian of the support plate 12 can be changed when the 2 movable rods 4 move, as shown in fig. 4, the radian of the support plate 12 is changed, and the support plate is contacted with the movable plate 15 and drives the movable plate to slide in the top plate 13, so that a gap generated between the support plate 12 and the top plate 13 is small, and the falling of sand and stones can be avoided, due to the arrangement of the springs 16, the movable plate 15 can be automatically close to the support plate 12 when the thrust is not applied, as shown in fig. 3, the latticed top plate 13 can be used for catching the sand and stones falling from the top.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a colliery exploitation portal that prevents collapsing supports protector, includes motor (2), slide rail (5) and bolt (8), its characterized in that: the motor (2) is arranged on the side of the fixing frame (1), the end of the motor (2) is connected with the motor shaft (3), the outer side of the motor shaft (3) is provided with a movable rod (4), the bottom of the movable rod (4) is connected with the fixing frame (1) through a sliding rail (5), the top of the movable rod (4) is provided with a connecting rod (6), a through hole (7) is reserved inside the connecting rod (6), a bolt (8) penetrates through the through hole (7), the end of the connecting rod (6) is connected with one end of an adjusting rod (9), a reinforcing rod (10) is fixed on the side of the adjusting rod (9), the other end of the adjusting rod (9) is connected with a mounting block (11), a supporting plate (12) is arranged on the inner side of the mounting block (11), a top plate (13) is arranged on the fixing frame (1) outside the supporting plate (12), and the middle position of the top plate (13) is provided with a through groove (14), a movable plate (15) is arranged on the inner side of the through groove (14), and the edge of the movable plate (15) is connected with the fixed frame (1) through a spring (16).
2. The collapse-preventing coal mine excavation cave mouth supporting and protecting device according to claim 1, characterized in that: the motor shaft (3) is provided with 2 sections of thread grooves with opposite directions, the motor shaft (3) and the movable rod (4) are in threaded connection, and the movable rod (4) forms a sliding structure through the sliding rail (5) and the fixed frame (1).
3. The collapse-preventing coal mine excavation cave mouth supporting and protecting device according to claim 1, characterized in that: one end of the connecting rod (6) is fixedly connected with the movable rod (4), the other end of the connecting rod (6) and the adjusting rod (9) form a telescopic structure, and the through holes (7) are distributed on the connecting rod (6) at equal intervals.
4. The collapse-preventing coal mine excavation cave mouth supporting and protecting device according to claim 1, characterized in that: the reinforcing rods (10) are symmetrically distributed about the central axis of the fixing frame (1) and are in sliding connection, and the ends of the reinforcing rods (10) are in a conical structure.
5. The collapse-preventing coal mine excavation cave mouth supporting and protecting device according to claim 1, characterized in that: the support plate (12) and the mounting block (11) are of dismounting and mounting structures connected through bolts, and the support plate (12) is made of spring steel.
6. The collapse-preventing coal mine excavation cave mouth supporting and protecting device according to claim 1, characterized in that: the movable plate (15) is in sliding connection with the top plate (13), the edge of the movable plate (15) is attached to the support plate (12), and the top plate (13) is in a grid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538021.3U CN211397582U (en) | 2019-09-17 | 2019-09-17 | Collapse-preventing coal mine excavation cave mouth supporting and protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538021.3U CN211397582U (en) | 2019-09-17 | 2019-09-17 | Collapse-preventing coal mine excavation cave mouth supporting and protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397582U true CN211397582U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921538021.3U Expired - Fee Related CN211397582U (en) | 2019-09-17 | 2019-09-17 | Collapse-preventing coal mine excavation cave mouth supporting and protecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211397582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703454A (en) * | 2024-02-06 | 2024-03-15 | 山西潞安集团余吾煤业有限责任公司 | Safety protection equipment in coal mine |
-
2019
- 2019-09-17 CN CN201921538021.3U patent/CN211397582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703454A (en) * | 2024-02-06 | 2024-03-15 | 山西潞安集团余吾煤业有限责任公司 | Safety protection equipment in coal mine |
| CN117703454B (en) * | 2024-02-06 | 2024-04-19 | 山西潞安集团余吾煤业有限责任公司 | Safety protection equipment in coal mine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20210917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |