CN214883084U - Stone blocking dam for mining - Google Patents
Stone blocking dam for mining Download PDFInfo
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- CN214883084U CN214883084U CN202023254026.9U CN202023254026U CN214883084U CN 214883084 U CN214883084 U CN 214883084U CN 202023254026 U CN202023254026 U CN 202023254026U CN 214883084 U CN214883084 U CN 214883084U
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Abstract
The utility model belongs to the technical field of the protection of mine rock fall and specifically relates to a mine exploitation is with blocking stone dam, and it is including setting up in the dam body of mine toe, is provided with the fixed establishment who is used for fixed dam body position between dam body and the toe ground, is provided with the buffer gear who is used for alleviating the rock fall impulsive force between dam body and the toe slope. In this application, through fixed establishment and buffer gear's setting, the removal that takes place when having reduced the dam body and received the striking reaches the purpose that has improved stone blocking dam protecting effect.
Description
Technical Field
The application relates to the field of mine rock fall protection, in particular to a rock-blocking dam for mining.
Background
Blasting in mining can shake stones at the top of the side slope to roll down the side slope, the stones are called rock rolls, gravitational potential energy of the rock rolls down from the hillside is enough to support the rock rolls to roll over roads at the bottom of the mine, and then damage is caused to vehicles and pedestrians passing through the roads at the bottom of the mine.
In order to prevent rolling stones from rolling on the road surface of the mountain foot road, a stone blocking dam is generally required to be arranged at the mountain foot of the mine, the stone blocking dam is usually composed of steel bars, concrete and stones, after the stone blocking dam is prefabricated at the mountain foot, a stone blocking dam pier is placed at a required position, the rolling stones which roll down from the top end of the mine are blocked by the stone blocking dam at the mountain foot of the mine, and the stone blocking dam blocks the rolling stones at one side of the stone blocking dam, which is far away from the mountain foot road.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the stone blocking dam is impacted by the rolling stones, the stone blocking dam can slightly move towards the direction close to the mountain foot road, and then the stone blocking dam is closer to the mountain foot road, so that the protection effect of the stone blocking dam is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the protecting effect of blocking the stone dam, this application provides a mine exploitation is with blocking the stone dam.
The application provides a stone blocking dam for mining adopts following technical scheme:
a stone blocking dam for mining comprises a dam body arranged at a mine toe, wherein a fixing mechanism used for fixing the position of the dam body is arranged between the dam body and the ground of the toe, and a buffer mechanism used for relieving the impact force of rock rolling is arranged between the dam body and a slope of the toe.
Through adopting above-mentioned technical scheme, when the installation dam body, utilize fixed establishment with the position of dam body to fix, reduced the dam body removal that causes because of the collision of rock, utilize buffer gear to alleviate the impulsive force when rock rolls down simultaneously, further reduce the collision of rock to the dam body, through fixed establishment and buffer gear's setting, the removal that takes place when having reduced the dam body and received the striking reaches the purpose that has improved stone blocking dam protecting effect.
Optionally, the fixing mechanism comprises a preset hole and an anchor rod, the preset hole is preset in the dam body, and one end of the anchor rod penetrates through the preset hole and then is fixedly connected with the mountain foot ground.
Through adopting above-mentioned technical scheme, set up in advance in the dam body and predetermine the hole, reduced the construction process who punches at the dam body, reduced the damage to the dam body when punching simultaneously, utilize the stock to be fixed dam body and back of the mountain foot ground, and then realized the dam body and the fixed connection dismantled on back of the mountain foot ground, realized the fixed to dam body position.
Optionally, a placing groove is formed in the mountain foot ground, and the placing groove is matched with the dam body in an inserting mode.
By adopting the technical scheme, when the dam body is installed, the dam body is inserted into the placing groove, the placing groove limits the dam body, the dam body is further moved, and the stability of the dam body at the position is improved.
Optionally, the buffer mechanism comprises a buffer step, a first plate and a second plate, the buffer step is fixedly connected with the slope, the first plate is fixedly connected with one side, close to the slope, of the dam body, the second plate is fixedly connected with one side, far away from the slope, of the dam body, and the second plate is located in the placement groove.
Through adopting above-mentioned technical scheme, the rock wool rolls down along the side slope, before rock wool and dam body collision, the rock wool collides with buffering step earlier, and then the power of the gravitational potential energy conversion of rock wool has been weakened, play the effect of buffering the rock wool, the rock wool after the buffering collides with the dam body, first board weakens the impulsive force of rock wool once more, reduce the collision of rock wool and dam body, the second board is located the dam body and places between the ditch lateral wall, the second board has reduced the dam body and to placing the impulsive force that the ditch lateral wall caused, and then play the cushioning effect to placing the ditch lateral wall, the damage that placed the ditch lateral wall and received has been reduced.
Optionally, a high-strength spring is arranged between the first plate and the dam body, one end of the high-strength spring is fixedly connected with the first plate, and the other end of the high-strength spring is fixedly connected with one side, close to the toe slope, of the dam body.
By adopting the technical scheme, when the rolling stones collide with the first plate, part of gravitational potential energy of the rolling stones is converted into elastic potential energy of the high-strength spring, so that energy transfer is realized, meanwhile, the collision borne by the dam body is reduced, the dam body is protected, and the service life of the dam body is prolonged.
Optionally, one end of the dam body, which is far away from the mountain foot ground, is provided with a protective net for intercepting flying stones, and the protective net is fixedly connected with the dam body.
By adopting the technical scheme, the protective net is utilized to intercept the flyrock generated when the rock rolling is collided with the dam body, so that the damage of the flyrock to passing vehicles and pedestrians is reduced, and the rock blocking effect of the dam body is further improved; meanwhile, due to the arrangement of the protective net, the stone blocking height of the dam body is increased, and the practicability of the dam body is improved.
Optionally, the protection network is provided with a warning sign, and the warning sign is fixedly connected with the protection network.
By adopting the technical scheme, the warning signs are utilized to remind and warn nearby villagers and passerby, so that the nearby villagers and passerby are prevented from entering dangerous zones at the mountain foots of the mine, and the safety of the protective net is further improved.
Optionally, a reinforcing member for reinforcing the dam support is arranged on one side of the dam body, which is far away from the mine.
Through adopting above-mentioned technical scheme, utilize the reinforcement to come the anti striking ability of dam body to consolidate, carry out spacingly to the dam body simultaneously, reduce the removal of dam body, improved the stability that dam body and toe ground are connected.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the fixing mechanism and the buffering mechanism, the movement of the dam body caused by impact is reduced, and the aim of improving the protection effect of the stone blocking dam is fulfilled;
2. the dam body is limited through the arrangement of the placement grooves, so that the dam body is further moved, and the stability of the dam body in the position is improved;
3. through the arrangement of the high-strength spring, the gravitational potential energy is converted into the elastic potential energy of the high-strength spring, so that the impact on the dam body is reduced, the dam body is protected, and the service life of the dam body is prolonged.
Drawings
FIG. 1 is a schematic view of a configuration of a barrage according to an embodiment of the present application;
fig. 2 is an exploded view of a reinforcement mechanism according to an embodiment of the present application.
Description of reference numerals: 1. a mountain foot side slope; 2. a mountain foot ground; 21. placing a ditch; 3. a dam body; 4. a fixing mechanism; 41. presetting holes; 42. an anchor rod; 5. a buffer mechanism; 51. a buffer step; 52. a first plate; 521. a high-strength spring; 53. a second plate; 6. a protective net; 61. a warning sign; 7. and (7) reinforcing the frame.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses stone blocking dam for mining. Referring to fig. 1, the stone blocking dam for mining comprises a dam body 3, wherein the dam body 3 is horizontally arranged on a toe ground 2, a fixing mechanism 4 is arranged between the dam body 3 and the toe ground 2, a buffer mechanism 5 is arranged between the dam body 3 and a toe slope 1, and a reinforcing frame 7 is arranged on one side, away from the toe slope 1, of the dam body 3. When a rock blocking dam is installed at a mine toe, a fixing framework is used for fixing the dam body 3 and the needed position of the toe ground 2, then the reinforcing frame 7 is used for supporting one side, away from the rolling stones, of the dam body 3, when the rolling stones roll down from a mine, the buffering mechanism 5 is used for buffering the gravitational potential energy of the rolling stones so as to reduce the impact between the rolling stones and the dam body 3, meanwhile, the reinforcing frame 7 is used for supporting the dam body 3, and the dam body 3 blocks the rolling stones at one side, away from the toe road, of the dam body 3.
Referring to fig. 1, a placing trench 21 is horizontally formed in the mountain foot ground 2, the placing trench 21 is located between the mountain foot side slope 1 and the mountain foot road, the placing trench 21 is parallel to the dam body 3, the placing trench 21 is long enough to be parallel to the dam body 3, and the bottom end of the dam body 3 is inserted into the placing trench 21. When laying the dam body 3, dig according to required position earlier and set up the placement in mountain toe ground 2 department, then remove the dam body 3 and be close to and place ditch 21 to make 3 bottoms of dam body insert and put the back in, 3 bottoms of dam body with place ditch 21 diapire butt, place ditch 21 and carry out spacingly to dam body 3, improved the stability of being connected between dam body 3 and mountain toe ground 2 simultaneously.
Referring to fig. 1 and 2, the fixing mechanism 4 includes a preset hole 41 and an anchor rod 42, the preset hole 41 is vertically formed in the top end of the dam 3, the preset hole 41 penetrates through the bottom end of the dam 3, two rows of the preset holes 41 are arranged in the direction parallel to the dam 3, the anchor rod 42 is vertically arranged, the bottom end of the anchor rod 42 penetrates through the preset hole 41 and then is inserted into the bottom wall of the placement groove 21, and the anchor rod 42 is fixedly connected with the dam 3.
When the dam body 3 is prefabricated, the lower preset hole 41 needs to be reserved in the dam body 3, so that the later drilling process is reduced, and time and labor are saved; when the anchor rod 42 is used for fixing the dam body 3, the bottom end of the movable anchor rod 42 penetrates through the preset hole 41 and then is inserted into the bottom wall of the placing groove 21, the anchor rod 42 fixes the dam body 3 at the position of the placing groove 21, the movement of the dam body 3 when being impacted by the rolling stones is reduced, and the purpose of improving the protection effect of the stone blocking dam is achieved.
Referring to fig. 1 and 2, a protective net 6 is arranged at the top end of the dam body 3, the protective net 6 is vertically arranged, the protective net 6 is arranged along the length direction of the dam body 3, the protective net 6 is long with the dam body 3, the protective net 6 is located between two rows of preset holes 41, and the bottom end of the protective net 6 is fixedly connected with the top end of the dam body 3; in order to warn passers-by and nearby villagers to pay attention to rolling stones, one side, close to the mountain foot road, of the protective net 6 is provided with a warning mark 61, and the warning mark is fixedly connected with one side, close to the mountain foot road, of the protective net 6.
The protective height of the dam body 3 is increased by the protective net 6, when the rolling stones collide with the dam body 3, splashed flying stones are easily generated, and the flying stones are intercepted by the protective net 6 so as to prevent the splashed flying stones from damaging passers-by and nearby villagers; meanwhile, the warning signs 61 are used for reminding passers-by vehicles and pedestrians and nearby villagers of paying attention to rolling stones, and therefore safety awareness of the passers-by vehicles and pedestrians and the nearby villagers is improved.
Referring to fig. 2, the reinforcing frame 7 is vertically arranged on one side, close to the warning sign 61, of the dam body 3, the plurality of reinforcing frames 7 are arranged, the bottom end of each reinforcing frame 7 is fixedly connected with the mountain foot ground 2, and one side, close to the dam body 3, of each reinforcing frame 7 is abutted to the dam body 3. The reinforcing frame 7 is arranged on one side, close to the mountain foot road, of the dam body 3, the reinforcing frame 7 is fixed at a required position, and the dam body 3 is supported by the aid of abutting of the reinforcing frame 7 and the dam body 3, so that the anti-collision capacity of the dam body 3 is improved, and movement of the dam body 3 when being collided is further reduced.
Referring to fig. 1, the buffering mechanism 5 is disposed on a side of the dam body 3 away from the reinforcing frame 7, the buffering mechanism 5 includes a buffering step 51, a first plate 52 and a second plate 53, the buffering step 51, first board 52 and second board 53 are made by elastic material, buffering step 51 is provided with two, two buffering step 51 levels set up at mountain foot side slope 1, two buffering step 51 are close to mountain foot side slope 1 one side all with mountain foot side slope 1 fixed connection, the vertical setting of first board 52 is close to mountain foot side slope 1 one side at dam 3, be provided with a plurality of high-strength spring 521 between first board 52 and the dam 3, high-strength spring 521 both ends are kept away from buffering step 51 one side and dam 3 respectively with first board 52 and are kept away from reinforcing frame 7 one side fixed connection, the vertical setting of second board 53 is kept away from first board 52 one side and is placed between the ditch 21 lateral wall at dam 3, second board 53 and dam 3 lateral wall fixed connection.
When the rolling stones roll down from the mine, the rolling stones collide with the two buffering steps 51 successively, the two buffering steps 51 slow down the impact force of the rolling stones, the rolling stones collide with the first plate 52 at one side far away from the dam body 3, part of the impact force of the rolling stones is converted into the elastic potential energy of the high-strength spring 521, further the impact force of the rolling stones is slowed down again, the impact on the dam body 3 is further weakened, the second plate 53 reduces the damage of the impact on the side, far away from the buffering steps 51, of the placing groove 21, the limit of the placing groove 21 on the dam body 3 is maintained, through the arrangement of the buffering mechanism 5, the collision of the rolling stones on the dam body 3 is weakened, and the stone blocking effect of the whole stone blocking dam is improved.
Referring to fig. 1, the top end of each buffer step 51 is a horizontal plane, the cross section of each buffer step 51 is triangular, one side, close to the corresponding side slope 1, of each buffer step 51 is attached to the corresponding side slope 1, a certain distance is reserved between every two adjacent buffer steps 51, each buffer step 51 is arranged along the length direction of the dam body 3, and each buffer step 51 is as long as the dam body 3.
Referring to fig. 1, the first plate 52 covers a part of the dam 3, which is far away from the reinforcing frame 7 and is exposed outside the placing trench 21, the bottom end of the first plate 52 is connected with the mountain foot ground 2 in a sliding manner, the high-strength springs 521 are horizontally arranged between the first plate 52 and the side wall of the dam 3, and three rows of the high-strength springs 521 are vertically arranged. When the rock rolls impact the first plate 52, the first plate 52 drives the high-strength spring 521 to compress, the gravitational potential energy of the rock rolls is converted into the elastic potential energy of the high-strength spring 521, and the impact resistance of the first plate 52 and the dam body 3 is enhanced by the high-strength spring 521.
Referring to fig. 1, the bottom end of the second plate 53 abuts against the bottom wall of the placement groove 21, and the top end of the second plate 53 is flush with the foothold floor 2. The second plate 53 separates the dam 3 from the side wall of the placement channel 21 remote from the first plate 52, thereby reducing the impact of the dam 3 on the side wall of the placement channel 21.
The implementation principle of the stone blocking dam for mine excavation is as follows: when the rolling stones roll down from the mine along the mine side slope, the rolling stones firstly collide with the two buffer steps 51, then the rolling stones collide with one side, away from the dam body 3, of the first plate 52, the first plate 52 drives the high-strength spring 521 to contract, meanwhile, the impact force is transmitted to the dam body 3, the reinforcing frame 7 supports the dam body 3, the movement of the dam body 3 after the impact is reduced, meanwhile, the protective net 6 is used for intercepting flying stones generated when the rolling stones collide with the dam body 3, and therefore the safety of passing vehicles, pedestrians and nearby villagers is protected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a stone blocking dam for mining which characterized in that: the rock-rolling impact-resistant dam comprises a dam body (3) arranged at the mountain foot of a mine, wherein a fixing mechanism (4) used for fixing the position of the dam body (3) is arranged between the dam body (3) and the mountain foot ground (2), and a buffer mechanism (5) used for relieving rock-rolling impact force is arranged between the dam body (3) and a mountain foot slope (1).
2. A rock-dam as defined in claim 1 in which: the fixing mechanism (4) comprises a preset hole (41) and an anchor rod (42), the preset hole (41) is preset in the dam body (3), and one end of the anchor rod (42) penetrates through the preset hole (41) and then is fixedly connected with the mountain foot ground (2).
3. A rock-dam as defined in claim 1 in which: the mountain foot ground (2) is provided with a placing groove (21), and the placing groove (21) is matched with the dam body (3) in an inserting mode.
4. A rock-dam as defined in claim 3 in which: buffer gear (5) are including buffering step (51), first board (52) and second board (53), and buffering step (51) and mountain foot side slope (1) fixed connection, and first board (52) are close to mountain foot side slope (1) one side fixed connection with dam body (3), and mountain foot side slope (1) one side fixed connection is kept away from with dam body (3) in second board (53), and second board (53) are located and place ditch (21).
5. A rock-dam as defined in claim 4 in mining use, wherein: a high-strength spring (521) is arranged between the first plate (52) and the dam body (3), one end of the high-strength spring (521) is fixedly connected with the first plate (52), and the other end of the high-strength spring is fixedly connected with one side, close to the toe slope (1), of the dam body (3).
6. A rock-dam as defined in claim 1 in which: one end, far away from the toe ground (2), of the dam body (3) is provided with a protective net (6) used for intercepting flying stones, and the protective net (6) is fixedly connected with the dam body (3).
7. A rock-dam as defined in claim 6 wherein: the protective net (6) is provided with a warning sign (61), and the warning sign (61) is fixedly connected with the protective net (6).
8. A rock-dam as defined in claim 1 in which: and a reinforcing member for reinforcing the dam body (3) support is arranged on one side of the dam body (3) far away from the mine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254026.9U CN214883084U (en) | 2020-12-29 | 2020-12-29 | Stone blocking dam for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254026.9U CN214883084U (en) | 2020-12-29 | 2020-12-29 | Stone blocking dam for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214883084U true CN214883084U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023254026.9U Active CN214883084U (en) | 2020-12-29 | 2020-12-29 | Stone blocking dam for mining |
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| Country | Link |
|---|---|
| CN (1) | CN214883084U (en) |
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2020
- 2020-12-29 CN CN202023254026.9U patent/CN214883084U/en active Active
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