CN211975051U - Filling equipment for open-air end slope coal-pressing filling mining - Google Patents
Filling equipment for open-air end slope coal-pressing filling mining Download PDFInfo
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- CN211975051U CN211975051U CN201922299558.5U CN201922299558U CN211975051U CN 211975051 U CN211975051 U CN 211975051U CN 201922299558 U CN201922299558 U CN 201922299558U CN 211975051 U CN211975051 U CN 211975051U
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Abstract
The utility model discloses a fill and equip for open-air end group presses coal filling exploitation, should fill and equip including fuselage, running gear, filling pipe, linkage and filling bag. The filling equipment is operated to the end part of the filling roadway, then the filling material is injected into the filling bag through the filling pipeline, and in the process that the filling equipment retreats outwards from the end part of the filling roadway, the whole filling roadway is filled in a mode of injecting the filling material into the filling bag, so that the stability of the open end slope is ensured. The utility model discloses can effectively improve the fill rate in open-air end group exploitation tunnel, promote the efficiency of cut-and-fill by a wide margin, and the intensity of multiplicable obturator, guarantee the stability of open-air end group, can reduce or cancel the coal pillar between the open-air end group cut-and-fill exploitation tunnel simultaneously by a wide margin, greatly improved open-air end group and pressed the rate of recovery of covering the resource, increased open-air end group and pressed the economy and the suitability of coal cut-and-fill exploitation technique.
Description
Technical Field
The utility model belongs to the technical field of open-air end group pressing coal filling mining, concretely relates to fill equipment that is used for open-air end group pressing coal filling mining.
Background
Coal plays a significant role in energy structure as a basic energy source in China. In recent years, with the rapid development of economic society, the demand of coal resources is also remarkably increased, wherein open-pit mining is one of important means for coal resource mining, the mining scale is also dramatically increased, and the problem that the loss of the open-pit mining slope-covering coal resources is serious is increasingly highlighted.
At present, the main mining mode of open-pit slope coal compaction is end slope mining, and the essence of the method is to recover coal resources in the form of tunneling tunnels at the open-pit end slopes. However, this mining method has two major technical drawbacks: (1) in the mining mode, a safety coal pillar is usually required to be reserved between two adjacent mining roadways, which directly causes the lower recovery rate of the end slope covered coal resources; and (2) in the mining mode, only protective coal pillars are reserved between mining roadways to support an overlying stratum, or simple roadway type gangue dumping filling is carried out, and due to the fact that the gangue dumping filling rate is low and the supporting strength of a filling body is not enough, after the open-air end slope is mined in a large area, the coal pillars of the mining mode can be unstable under the long-term pressure action of the overlying stratum, huge hidden dangers are brought to safety production of a mining area, and life safety of production equipment and workers of the mining area is seriously threatened. Therefore, it is necessary to design a filling device which is safe, reliable, efficient, practical, high in filling rate and good in filling effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the deficiencies in the prior art, providing a fill equipment that is used for open-air end group pressing coal filling mining of design science, safe and reliable, convenient operation, work continuity are good, strong adaptability.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a filling device for open-pit end slope coal-pressing filling mining comprises a machine body, a traveling device, a filling pipeline, a suspension device and a filling bag; wherein the machine body is arranged on the walking device; the filling pipeline and the suspension device are arranged on the machine body; the filling bag is hung at the front end of the hanging device;
when the filling device is in a working state, the filling device is operated to the end part of the filling roadway, then the filling material is injected into the filling bag through the filling pipeline, and in the process that the filling device retreats outwards from the end part of the filling roadway, the whole filling roadway is filled in the mode that the filling material is injected into the filling bag, so that the stability of the open end slope is ensured.
The utility model discloses further improvement lies in, is provided with a set of baffle in filling the bag, utilizes the baffle will fill the bag and fall into a N independent storing unit, is a storing unit from inside to outside in proper order, No. two storing units, No. three storing units, … to and No. N storing unit.
The utility model is further improved in that each baffle is provided with a one-way valve which has the function of preventing the filling materials from flowing from the inner storage unit to the outer storage unit; one end of the filling pipeline penetrates through the one-way valve on each partition plate to be positioned in the first storage unit, and the other end of the filling pipeline is connected with the material conveying pipeline; when filling, fill pipeline from inside to outside and fill in the storing unit in proper order.
The utility model discloses further improvement lies in, and a set of baffle is filling the interior perpendicular to of bag and is filling tunnel outside-in slope and arrange, and wherein a storing unit side direction is trapezium structure, and all the other storing units are the quadrangle structure of both sides parallel from top to bottom.
The utility model discloses further improvement lies in, is arranged pressure sensor in the storing unit, through pressure sensor monitoring storing unit's the pressure of filling the material, exceeds rated pressure when pressure, and pressure sensor sends a signal with the shrink of control filling pipeline to control system.
The utility model has the further improvement that the height and the width of the filling bag are consistent with the height and the width of the filling tunnel, and the expansion length of the filling bag is not less than the length of the filling tunnel; the filling bag has set elasticity under the action of pressure, and can adapt to the fluctuation of a filling roadway to ensure that the filling material is filled in the whole roadway.
The utility model discloses further improvement lies in, and the filling pipe has flexible function, and can adjust its height through filling pipe lift cylinder.
The utility model discloses further improvement lies in that linkage has flexible function, and can adjust its height through linkage lift cylinder.
The utility model discloses further improvement lies in, is equipped with balancing unit on the fuselage, and balancing unit includes balancing pole and counter weight, through the stability of adjustment counter weight at the position control fuselage of balancing pole, guarantees to fill the balance of equipment.
The utility model discloses a further improvement lies in, running gear is crawler-type or wheel axle formula running gear.
The utility model discloses possess following profitable technological effect at least:
the utility model discloses a fill and equip for open-air end group presses coal filling mining, the design science, safety and reliability, convenient operation, the work continuity is good, high adaptability, can effectively improve the filling rate in open-air end group exploitation tunnel through this equipment, greatly promote the efficiency of filling mining, and, through the intensity of the multiplicable obturator of this equipment, guarantee the stability of open-air end group, can reduce the coal pillar width between the open-air end group presses coal filling exploitation tunnel simultaneously, the rate of recovery of covering the resource is pressed to open-air end group greatly improved, the economic nature and the suitability of open-air end group presses coal filling exploitation technique have been increased.
Drawings
Fig. 1 is a schematic structural diagram of a filling device for open-air end slope coal-pressing filling mining according to the present invention.
Fig. 2 is a schematic perspective view of the filling bag.
Fig. 3 is a side sectional view of the filling bag.
Fig. 4 is a schematic structural diagram of the body, the suspension device, the filling pipe and the traveling device of the filling equipment.
Fig. 5 is a schematic view showing a filling process of the filling bag, in which fig. 5(a) shows that the first storage unit is being filled, fig. 5(b) shows that the filling of the first storage unit is completed, and fig. 5(c) shows that the second storage unit is being filled.
Description of reference numerals:
1. a body; 2. a traveling device; 3. filling a pipeline; 4. a suspension device; 5. filling the bag; 6. a delivery pipeline; 7. a partition plate; 8. a one-way valve; 9. a first storage unit; 10. a second storage unit; 11. a third storage unit; 12. a balancing pole; 13. balancing weight; 14. a suspension lift cylinder; 15. filling a pipeline lifting oil cylinder; 16. a first separator plate; 17. a one-way valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the utility model provides a fill equipment for open-air end slope coal briquetting filling mining, this fill equipment includes fuselage 1, running gear 2, filling pipe 3, linkage 4 and filling bag 5.
Wherein, the machine body 1 is arranged on the walking device 2; the filling pipeline 3 and the suspension device 4 are arranged on the machine body; the filling bag 5 is hung at the front end of the hanging device 4; during the working state, the filling equipment is operated to the end part of the filling roadway, then the filling material is injected into the filling bag 5 by using the filling pipeline 3, and in the process that the filling equipment retreats outwards from the end part of the filling roadway, the whole filling roadway is filled in by injecting the filling material 5 into the filling bag, so that the stability of the open end slope is ensured.
Fill bag 5 in be provided with a set of baffle 7, utilize baffle 7 to divide into N independent storing units with filling bag 5, be No. one storing unit 9, No. two storing units 10, No. three storing unit 11, … and No. N storing unit from inside to outside in proper order.
One end of the filling pipeline 3, which penetrates through the one-way valve 8 on each partition plate 7, is positioned in the first storage unit 9, and the other end of the filling pipeline is connected with the material conveying pipeline 6; when filling, fill pipeline from inside to outside and fill in the storing unit in proper order. The check valve 8 has the function of preventing the filling materials from flowing from the inner storage unit to the outer storage unit.
The method comprises the following specific steps of;
a. the filling pipeline 3 injects the filler into the first storage unit 9 until the first storage unit 9 is filled;
b. after the first storage unit 9 is filled, the filling device moves backwards, the filling pipeline 3 is contracted, the filling pipeline 3 penetrates through the first check valve 17 on the first partition plate 16, and the end of the filling pipeline is contracted into the second storage unit 10 from the first storage unit 9;
c. the filling pipeline 3 injects a filler into the second storage unit 10 until the second storage unit 10 is full;
d. and sequentially filling all the storage units of the filling bag 5 from inside to outside according to the steps until the filling roadway is filled.
A group of baffle 7 in fill bag 5 perpendicular to fill the tunnel outside-in slope and arrange, wherein storage unit 9 side direction is the trapezium structure, the quadrangle structure of upper and lower both sides parallels is shown to remaining storage unit.
The height and the width of the filling bag 5 are consistent with those of the filling roadway, and the expansion length of the filling bag is not less than the length of the filling roadway; the filling bag 5 has certain elasticity under the action of pressure and can adapt to the fluctuation of a filling roadway to ensure that the filling material is filled in the whole roadway.
A pressure sensor is arranged in the storage unit, the pressure of the filling materials of the storage unit is monitored through the pressure sensor, and when the pressure exceeds the rated pressure, the pressure sensor sends a signal to a control system to control the contraction of the filling pipeline 3.
The filling pipeline 3 has a telescopic function and can adjust the height of the filling pipeline through the filling pipeline lifting oil cylinder 15.
The suspension device 4 has a telescopic function and can adjust the height thereof through the suspension device lifting oil cylinder 14.
The balance device is arranged on the machine body 1 and comprises a balance rod 12 and a balance weight 13, and the stability of the machine body 1 can be adjusted by adjusting the position of the balance weight 13 on the balance rod 12, so that the balance of the filling equipment is ensured.
The running gear 2 is a crawler-type or wheel shaft type running gear.
The filling equipment 6 can also be provided with an intelligent control system, and the intelligent control system can realize remote control or automatic control of various operations of the filling equipment.
Claims (10)
1. The filling equipment for open-pit end slope coal-pressing filling mining is characterized by comprising a machine body (1), a walking device (2), a filling pipeline (3), a suspension device (4) and a filling bag (5); wherein the content of the first and second substances,
the machine body (1) is arranged on the traveling device (2); the filling pipeline (3) and the suspension device (4) are arranged on the machine body (1); the filling bag (5) is suspended at the front end of the suspension device (4).
2. The filling equipment for open-pit end slope coal-pressing filling mining according to claim 1, characterized in that a group of partition plates (7) are arranged in the filling bag (5), the filling bag (5) is divided into N independent storage units by the partition plates (7), and the first storage unit (9), the second storage unit (10), the third storage unit (11), … and the N storage units are arranged in sequence from inside to outside.
3. The filling equipment for open-pit end slope coal-pressing filling mining according to claim 2, characterized in that a check valve (8) is arranged on each partition (7), and the check valve (8) has the function of preventing the filling material from flowing from the inner storage unit to the outer storage unit; one end of the filling pipeline (3) penetrates through a one-way valve (8) on each partition plate (7) to be positioned in the first storage unit (9), and the other end of the filling pipeline is connected with the material conveying pipeline (6).
4. The filling equipment for open-pit end slope coal-pressing filling mining according to claim 2, characterized in that a group of partition boards (7) are obliquely arranged in the filling bag (5) from outside to inside perpendicular to the filling roadway, wherein one storage unit (9) is in a trapezoidal structure laterally, and the rest storage units are in a quadrilateral structure with upper and lower sides parallel.
5. Filling equipment for open-pit end slope coal-pressing filling mining according to claim 2, characterized in that a pressure sensor is arranged in the storage unit, the pressure of the filling material in the storage unit is monitored by the pressure sensor, and when the pressure exceeds the rated pressure, the pressure sensor sends a signal to the control system to control the contraction of the filling pipe (3).
6. The filling equipment for open-pit end slope coal-pressing filling mining according to claim 1, wherein the height and width of the filling bag (5) are consistent with those of the filling roadway, and the expansion length of the filling bag is not less than the length of the filling roadway; the filling bag (5) has set elasticity under the action of pressure, and can adapt to the fluctuation of a filling roadway to ensure that the filling material is filled in the whole roadway.
7. Filling equipment for open-pit end slope coal-briquetting filling mining according to claim 1, characterized in that the filling pipe (3) has a telescopic function and its height can be adjusted by the filling pipe lift cylinder (15).
8. Filling equipment for open-pit end slope coal-pressing filling mining according to claim 1, characterized in that the suspension device (4) has a telescopic function and its height can be adjusted by means of a suspension device lift cylinder (14).
9. Filling equipment for open-pit end slope coal-pressing filling mining according to claim 1, characterized in that the machine body (1) is equipped with a balancing device, which comprises a balancing bar (12) and a counterweight (13), and the balance of the filling equipment is ensured by adjusting the stability of the machine body (1) by adjusting the position of the counterweight (13) on the balancing bar (12).
10. Filling equipment for open-pit end slope coal-briquetting filling mining according to claim 1, characterized in that the running gear (2) is a crawler-type or wheel-axle type running gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922299558.5U CN211975051U (en) | 2019-12-19 | 2019-12-19 | Filling equipment for open-air end slope coal-pressing filling mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922299558.5U CN211975051U (en) | 2019-12-19 | 2019-12-19 | Filling equipment for open-air end slope coal-pressing filling mining |
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| CN211975051U true CN211975051U (en) | 2020-11-20 |
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| CN201922299558.5U Active CN211975051U (en) | 2019-12-19 | 2019-12-19 | Filling equipment for open-air end slope coal-pressing filling mining |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855162A (en) * | 2021-01-29 | 2021-05-28 | 辽宁工程技术大学 | Mining method for upper coal seam of composite coal seam strip mine near extraction end slope |
| CN113323665A (en) * | 2021-06-29 | 2021-08-31 | 新疆天池能源有限责任公司 | Stability control method for opencast coal mine to boundary soft rock end slope |
| CN114000883A (en) * | 2021-11-02 | 2022-02-01 | 中国矿业大学 | Open pit coal mine end slope coal pressing, mining and charging integrated recovery device and method |
-
2019
- 2019-12-19 CN CN201922299558.5U patent/CN211975051U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855162A (en) * | 2021-01-29 | 2021-05-28 | 辽宁工程技术大学 | Mining method for upper coal seam of composite coal seam strip mine near extraction end slope |
| CN112855162B (en) * | 2021-01-29 | 2023-03-21 | 辽宁工程技术大学 | Mining method for upper coal seam of composite coal seam strip mine near extraction end slope |
| CN113323665A (en) * | 2021-06-29 | 2021-08-31 | 新疆天池能源有限责任公司 | Stability control method for opencast coal mine to boundary soft rock end slope |
| CN114000883A (en) * | 2021-11-02 | 2022-02-01 | 中国矿业大学 | Open pit coal mine end slope coal pressing, mining and charging integrated recovery device and method |
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