CN113685213B - Continuous mining continuous filling system without permanent support filling and implementation method - Google Patents
Continuous mining continuous filling system without permanent support filling and implementation method Download PDFInfo
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- CN113685213B CN113685213B CN202110949307.6A CN202110949307A CN113685213B CN 113685213 B CN113685213 B CN 113685213B CN 202110949307 A CN202110949307 A CN 202110949307A CN 113685213 B CN113685213 B CN 113685213B
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- 238000005065 mining Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000012546 transfer Methods 0.000 claims abstract description 26
- 239000003245 coal Substances 0.000 claims abstract description 20
- 238000011161 development Methods 0.000 claims abstract description 20
- 239000011435 rock Substances 0.000 claims description 18
- 230000035515 penetration Effects 0.000 claims description 9
- 206010057175 Mass conditions Diseases 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 239000010878 waste rock Substances 0.000 abstract description 12
- 230000032258 transport Effects 0.000 description 7
- 239000002699 waste material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F15/06—Filling-up mechanically
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
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Abstract
A continuous mining continuous filling system without permanent support filling and an implementation method thereof belong to the technical field of coal mine filling and mining. The continuous mining device comprises a development machine, conveying equipment, an automatic supporting temporary supporting device, a temporary supporting transfer device, a temporary supporting installation mechanical arm, a waste rock throwing machine, waste rock conveying equipment and a moving trolley, wherein the temporary supporting installation mechanical arm is arranged on the development machine, the development machine is connected with the conveying equipment, the temporary supporting installation mechanical arm is arranged on the waste rock throwing machine, the waste rock throwing machine is connected with the waste rock conveying equipment, the temporary supporting installation mechanical arm is arranged on the moving trolley, and the temporary supporting transfer device is connected with the automatic supporting temporary supporting device.
Description
Technical Field
The invention relates to a continuous mining continuous filling system without permanent support filling and an implementation method thereof, belonging to the technical field of coal mine filling and mining.
Background
At present, supports are used in the continuous mining and filling process of the coal mine at home and are permanent supports, such as anchor rod supports, anchor rod anchor net supports, anchor rod anchor beam supports, anchor rod anchor net guniting supports, plain guniting supports, arch Dan Qigong supports, cast-in-situ reinforced cement supports, U-shaped steel supports, I-shaped steel three-section shed supports and the like, and the support arm sections are not recycled after the coal mine mining work is completed and are basically abandoned completely, so that the cost of the coal mine mining is increased, and a large amount of resource waste is caused; in the continuous mining and continuous charging process, equipment generally stops working when a support is additionally arranged, so that the working efficiency is reduced, the mechanization degree of mining work is low, the labor intensity of workers is increased, the working environment of the workers is poor, and a certain threat is caused to the health condition of the workers.
At present, no method for continuous mining and continuous filling without permanent support filling exists, and a plurality of problems are faced in the research of the non-permanent support filling. In the existing temporary support technology, after temporary support is added, some permanent support is still needed to be carried out on the coal rock mass, and resource waste is still caused to a certain extent. If chinese patent document CN206035517U discloses a quick tunneling support system of parallel operation, including entry driving machine and a plurality of strut, be provided with conveyer on the entry driving machine, conveyer comprises frame, front adjusting beam and back adjusting beam, and the both sides of frame are provided with the conveying chain that is parallel to each other, and the guide way has been seted up at the center of frame, and the one end of front adjusting beam, back adjusting beam articulates respectively on the different bases that are arranged in the guide way, and the other end is provided with the joist ware. In the system, partial permanent support is carried out on the mining roadway, the working efficiency is reduced to a certain extent, after the mining is finished, the permanent support is difficult to recover, resource waste is caused, the system can not carry out continuous mining and continuous filling, the working efficiency is low, and the subsequent roadway mining can also face a plurality of problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a continuous mining continuous filling system without permanent support filling and an implementation method thereof, which have the advantages of high mechanization degree, simple operation, safety, reliability and high working efficiency, realize continuous mining continuous filling, simultaneously omit the step of installing permanent support in the existing mining technology, reduce the mining cost of coal mines and avoid causing a great deal of resource waste.
The technical scheme of the invention is as follows:
A continuous mining continuous filling system without permanent support filling, which comprises a heading machine, a conveying device, an automatic supporting temporary support device, a temporary support transfer device, a temporary support installation mechanical arm, a gangue throwing machine, a gangue conveying device and a movable trolley,
The temporary support mounting mechanical arm is arranged on the heading machine, the heading machine is connected with conveying equipment, the temporary support mounting mechanical arm is arranged on the gangue throwing machine, the gangue throwing machine is connected with gangue conveying equipment, the temporary support mounting mechanical arm is arranged on the travelling car, and the temporary support transfer device is connected with the automatic support temporary support device.
Preferably, the automatic support temporary support device comprises a support frame, a transverse oil cylinder, a vertical oil cylinder and a guide rail, wherein two ends of the support frame are obliquely arranged to avoid interference with a roadway side wall, two ends of the support frame are respectively provided with a support rod, the lower end of each support rod is provided with the vertical oil cylinder, the transverse oil cylinder is obliquely arranged between each support rod and the support frame, a conveying pipeline is arranged in the middle of the support frame, and the guide rail is arranged at the lower side of the middle of the support frame. The automatic support temporary support device is expanded and contracted through the cooperation of the transverse oil cylinder and the vertical oil cylinder, the conveying pipeline is used for conveying the filling paste, and the guide rails are connected together when the automatic support temporary support device is tightly installed to form an operation track of the temporary support transfer device together, so that the temporary support transfer device is guaranteed to operate back and forth on the operation track.
Preferably, the temporary support transfer device comprises a frame, rollers and a motor, wherein the frame is arranged on the lower side of the guide rail through the rollers, the rollers are connected with the motor, hooks are arranged on the frame, the rollers and the frame are driven to run along the guide rail through the motors, and the hooks are hung with the automatic support temporary support device to realize front-back transfer of the automatic support temporary support device.
The implementation method of the continuous mining continuous filling non-permanent support filling comprises the following operation steps:
(1) Dividing a working face into a plurality of branches along the trend, firstly mining the innermost branch, connecting a development machine with conveying equipment, installing a temporary support installation mechanical arm on the development machine, carrying out the mined coal body out through the conveying equipment along with the continuous forward development of the development machine, conveying the automatic support temporary support device to a goaf (to-be-installed area) through a temporary support transfer device in the mining process of the development machine, then placing the automatic support temporary support device to a set position by the temporary support installation mechanical arm, expanding the automatic support temporary support device, and carrying out temporary support, wherein the part between the two automatic support temporary support devices is a support zone;
(2) After the mining of the innermost branch road is completed, the heading machine exits, a branch road is separated from the middle, the heading machine continues to carry out the mining of the next branch road, the gangue thrower advances to the deepest supporting region of the goaf of the innermost branch road, a temporary support mounting mechanical arm is also arranged on the gangue thrower, the gangue thrower is connected with gangue transport equipment, an automatic support temporary support device where the deepest supporting region of the goaf is positioned is contracted, the temporary support mounting mechanical arm places the contracted automatic support temporary support device on a temporary support transfer device, the temporary support transfer device carries out the automatic support temporary support device to the branch road where the heading machine works, and meanwhile, gangue (fly ash, loess or wind sand) is transported to the goaf through the gangue transport equipment, and the gangue thrower carries out gangue throwing filling while backing up;
(3) After the deepest goaf finishes the filling operation, the gangue thrower retreats, and the step (2) is repeated, and the filling operation of the rest part is continued until the filling operation of the whole goaf of the innermost branch roadway is finished;
(4) And (3) circulating the steps (1) - (3), and continuously mining and filling the separated branch roadways after the branch roadways are sequentially mined and filled at intervals until all the branch roadways are mined and filled.
Preferably, in the step (1), the automatic supporting temporary supporting device is tightly installed to realize omnibearing protection, and in the step (2), after the exploitation is completed, the heading machine is withdrawn, permanent supporting installation is not carried out, and the surrounding rock pressure is borne by the automatic supporting temporary supporting device and the surrounding rock.
Preferably, in the step (1), if the surrounding rock of the roadway is broken, simple supporting is needed to be additionally carried out on the roadway, the supporting strength is weaker than the conventional supporting strength, the roof does not fall off in a short period, two sides do not fall off, and point type or combined anchor bolt supporting, a shed or single point columns are carried out according to the field condition; if the roadway wall is severely sliced or the approaching amount of two sides is large, the side part is supported by adopting an anchor rod or an anchor net.
Preferably, the implementation method of continuous mining continuous filling non-permanent support filling adopts paste filling, a transport pipeline is arranged on the automatic support temporary support device, filled paste is transported to a goaf through the transport pipeline, a temporary support installation mechanical arm is arranged on the moving trolley, the moving trolley drives the temporary support installation mechanical arm to realize the disassembly of the automatic support temporary support device, and the temporary support device is simultaneously withdrawn and filled. And (5) selecting waste rock throwing filling or paste filling according to surrounding rock conditions of the mining tunnel and conditions of a mine production system.
Preferably, when the shoulder nest space between the support frame and the roadway side wall is large, the filling paste is sent to the goaf by paving a transportation pipeline at the shoulder nest, the transportation pipeline is abutted against the roadway side wall, and after the temporary support installation mechanical arm removes the automatic support temporary support device, the filling is immediately carried out, and the continuous operation is carried out until the automatic support temporary support device is completely removed, and the whole roadway is completely filled; when the top plate is not good, the filling paste is conveyed to the goaf through a conveying pipeline in the middle of the support frame.
Preferably, the conventional support length is adopted for determining the door opening and pre-penetration according to the coal rock mass conditions and the coal mine technical requirements, the support (permanent support) is reinforced at the door opening position (the intersection of a main roadway and a branch roadway) and the penetration point position of the three-way door, the support is reinforced at 1-8m in the door opening position of the three-way door, and the support is reinforced at 1-8m at the penetration point position.
The invention has the beneficial effects that:
1. The invention has high degree of mechanization, simple operation, safety and reliability and high working efficiency, saves the step of installing permanent support in the existing mining technology while realizing continuous mining and continuous charging, reduces the mining cost of the coal mine and avoids a great amount of resource waste.
2. The invention greatly reduces the participation of operators by remotely controlling the mechanical operation in the whole process, improves the safety and the exploitation efficiency of exploitation work, and realizes the effects of less humanization and intellectualization.
Drawings
FIG. 1 is a schematic diagram of a mining structure of the present invention;
FIG. 2 is a schematic diagram of a waste rock thrower filling structure according to the present invention;
FIG. 3 is a schematic diagram of the paste filling structure of the present invention;
FIG. 4 is a schematic view of the structure of the automatic support temporary support device of the present invention;
FIG. 5 is a schematic diagram of a three-way door opening construction according to the present invention;
FIG. 6 is a schematic view of the construction of a pass through point according to the present invention;
wherein: 1-a heading machine; 2-automatically supporting the temporary support device; 3-a transportation device; 4-temporary support mounting mechanical arms; 5-temporary support transfer device; 6, a guide rail; 7-gangue transport equipment; 8-a waste rock throwing machine; 9-a mobile trolley; 10-a transport pipeline; 11-roadway side walls; 12-a transverse oil cylinder; 13-a vertical oil cylinder; 14-coal rock mass; 15-a main roadway; 16-branch roadway; 17-permanent support.
Detailed Description
The invention will now be further illustrated by way of example, but not by way of limitation, with reference to the accompanying drawings.
Example 1:
As shown in fig. 1 to 4, the present embodiment provides a continuous mining continuous charging system without permanent support charging, comprising a heading machine 1, a transporting device 3, an automatic supporting temporary support device 2, a temporary support transfer device 5, a temporary support installation mechanical arm 4, a waste rock throwing machine 8, a waste rock transporting device 7 and a moving trolley 9, wherein,
The temporary support installation mechanical arm 4 is arranged on the heading machine 1, the heading machine 1 is connected with the conveying equipment 3, the temporary support installation mechanical arm 4 is arranged on the gangue throwing machine 8, the gangue throwing machine 8 is connected with the gangue conveying equipment 7, the temporary support installation mechanical arm 4 is arranged on the travelling car 9, and the temporary support transfer device 5 is connected with the automatic support temporary support device 2.
The automatic support temporary support device 2 comprises a support frame, a transverse oil cylinder 12, a vertical oil cylinder 13 and a guide rail 6, wherein two ends of the support frame are obliquely arranged to avoid interference with a roadway side wall 11, two ends of the support frame are respectively provided with a support rod, the lower end of each support rod is provided with the vertical oil cylinder 13, the transverse oil cylinder 12 is obliquely arranged between each support rod and the support frame, the middle part of the support frame is provided with a conveying pipeline 10, and the lower side of the middle part of the support frame is provided with the guide rail 6. The automatic support temporary support device is expanded and contracted through the cooperation of the transverse oil cylinder and the vertical oil cylinder, the conveying pipeline is used for conveying the filling paste, and the guide rails are connected together when the automatic support temporary support device is tightly installed to form an operation track of the temporary support transfer device together, so that the temporary support transfer device is guaranteed to operate back and forth on the operation track.
The temporary support transfer device 5 comprises a frame, rollers and a motor, wherein the frame is arranged on the lower side of a guide rail through the rollers, the rollers are connected with the motor, hooks are arranged on the frame, the rollers and the frame are driven to run along the guide rail through the motor, and the hooks are hung with the automatic support temporary support device to realize front-back transfer of the automatic support temporary support device.
The implementation method of the continuous mining continuous filling non-permanent support filling comprises the following operation steps:
(1) Dividing a working face into a plurality of branches along the trend, firstly mining the innermost branch, connecting a development machine 1 with a conveying device 3, installing a temporary support installation mechanical arm 4 on the development machine 1, carrying out continuous forward development of the development machine 1, conveying a mined coal body out through the conveying device 3, conveying an automatic support temporary support device 2 to a goaf (a region to be installed) through a temporary support transfer device 5 in the mining process of the development machine 1, then placing the automatic support temporary support device 2 to a set position by the temporary support installation mechanical arm 4, unfolding the automatic support temporary support device 2, and carrying out temporary support, wherein the part between the two automatic support temporary support devices 2 is a support zone;
(2) After the mining of the innermost branch road is completed, the heading machine 1 is withdrawn, a branch road is arranged at an intermediate interval, the heading machine 1 continues to carry out the mining of the next branch road, the gangue thrower 8 advances to the deepest supporting region of the goaf of the innermost branch road, a temporary support mounting mechanical arm 4 is also arranged on the gangue thrower 8, the gangue thrower 8 is connected with a gangue transporting device 7, an automatic support temporary support device 2 where the deepest supporting region of the goaf is positioned is contracted, the temporary support mounting mechanical arm 4 places the contracted automatic support temporary support device 2 on a temporary support transferring device 5, the temporary support transferring device 5 transports the automatic support temporary support device 2 to the branch road where the heading machine 1 works, and simultaneously, gangue (fly ash, loess or wind sediment) is transported to the goaf through the gangue transporting device 7, and the gangue thrower 8 is filled while being withdrawn and supported;
(3) After the filling operation is finished at the deepest part of the goaf, the gangue thrower 8 retreats, the step (2) is repeated, and the filling operation of the rest part is continued until the filling operation of the whole goaf of the innermost branch roadway is finished;
(4) And (3) circulating the steps (1) - (3), and continuously mining and filling the separated branch roadways after the branch roadways are sequentially mined and filled at intervals until all the branch roadways are mined and filled.
The development machine 1, the transportation equipment 3, the temporary support installation mechanical arm 4, the gangue throwing machine 8 and the gangue transportation equipment are all existing mining equipment, the development machine 1, the transportation equipment 3, the automatic support temporary support device 2, the temporary support transfer device 5, the temporary support installation mechanical arm 4, the gangue throwing machine 8 and the gangue transportation equipment are controlled through a remote control system, and the continuous mining continuous charging non-permanent support filling system is provided with a sensor, a peeping device and a lighting system which are conventionally used, so that the operation working condition of the equipment can be transmitted to the remote control system through cables, and the monitoring is performed in real time.
In the step (1), the automatic supporting temporary supporting device 2 is tightly installed to realize omnibearing protection, in the step (2), after the exploitation is completed, the heading machine is withdrawn, permanent supporting installation is not carried out, and the surrounding rock pressure is borne by the automatic supporting temporary supporting device and the surrounding rock.
Example 2:
In the step (1), if surrounding rock of a roadway is broken, simple supporting is needed to be additionally carried out on the roadway, the supporting strength is weaker than the conventional supporting strength, a roof does not fall off in a short period, two sides do not fall across, and point type or combined anchor bolt supporting, a shed or single point type columns are carried out according to the site conditions; if the roadway wall is severely sliced or the approaching amount of two sides is large, the side part is supported by adopting an anchor rod or an anchor net.
Example 3:
a continuous mining continuous filling non-permanent support filling implementation method is characterized in that, as in the embodiment 1, paste filling is adopted, a waste rock throwing machine 8 is not used for filling, a conveying pipeline 10 is arranged on an automatic support temporary support device 2, the filled paste is conveyed to a goaf through the conveying pipeline, a temporary support installation mechanical arm 4 is arranged on a moving trolley 9, the moving trolley 9 drives the temporary support installation mechanical arm 4 to realize the disassembly of the automatic support temporary support device 2, the number of the automatic support temporary support devices 2 is determined according to the actual conditions of surrounding rocks of a roadway, the automatic support temporary support devices are filled while the support devices are withdrawn, and the mining and filling work of the next roadway is carried out after the support devices are completely filled. And (5) selecting waste rock throwing filling or paste filling according to surrounding rock conditions of the mining tunnel and conditions of a mine production system.
When the gap between the support frame and the roadway side wall is large, the filling paste is conveyed to the goaf by paving a conveying pipeline at the shoulder pit, the conveying pipeline is abutted against the roadway side wall, the automatic support temporary support device is immediately filled after being removed by the temporary support mounting mechanical arm, and the continuous operation is carried out until the automatic support temporary support device is completely removed, and the whole roadway is completely filled; when the top plate is not good, the filling paste is conveyed to the goaf through a conveying pipeline in the middle of the support frame.
Example 4:
A method for implementing continuous mining continuous filling without permanent support filling is characterized in that a permanent support 17 is installed in a three-way door opening 1-8m according to coal rock conditions and coal mine technical requirements, after normal support, a row of permanent supports 17 are continuously tunneled, at the moment, an automatic temporary support device 2 is arranged at a position (an obtuse angle side of two sides) indicated by the permanent supports 17 in fig. 5 from a position close to the last row of permanent supports and perpendicular to the side sides, and continuous support of the automatic temporary support device 2 is gradually carried out through a temporary support installation mechanical arm 4, so that the mining of a roadway is completed.
Example 5:
A continuous mining continuous charging implementation method without permanent support filling is characterized in that a permanent support 17 is installed in a penetration point 1-8m according to coal rock conditions and coal mine technical requirements, as shown in fig. 6, when a tunneling machine tunnels to a distance of 1-8m from the pre-penetration point, the automatic support temporary support device 2 is not supported, each tunneling row is converted into permanent support by the permanent support 17 until two tunnels are connected, and reinforcement support of 1-8m in the penetration point is completed for subsequent filling construction.
Claims (6)
1. A method for implementing a continuous mining continuous filling system without permanent support filling is characterized in that the system comprises a heading machine, a conveying device, an automatic support temporary support device, a temporary support transfer device, a temporary support installation mechanical arm, a gangue throwing machine, a gangue conveying device and a moving trolley, wherein,
The temporary support mounting mechanical arm is arranged on the heading machine, the heading machine is connected with a conveying device, the temporary support mounting mechanical arm is arranged on the gangue throwing machine, the gangue throwing machine is connected with a gangue conveying device, the temporary support mounting mechanical arm is arranged on the moving trolley, and the temporary support transfer device is connected with an automatic support temporary support device;
The automatic support temporary support device comprises a support frame, a transverse oil cylinder, a vertical oil cylinder and a guide rail, wherein the two ends of the support frame are obliquely arranged, the two ends of the support frame are respectively provided with a support rod, the lower ends of the support rods are provided with the vertical oil cylinders, the transverse oil cylinder is obliquely arranged between the support rods and the support frame, the middle part of the support frame is provided with a transportation pipeline, and the lower side of the middle part of the support frame is provided with the guide rail;
the temporary support transfer device comprises a frame, rollers and a motor, wherein the frame is arranged at the lower side of the guide rail through the rollers, the rollers are connected with the motor, and hooks are arranged on the frame;
the implementation method of the continuous mining continuous filling system without permanent support filling comprises the following operation steps:
(1) Dividing a working face into a plurality of branches along the trend, firstly mining the innermost branch, connecting a development machine with conveying equipment, installing a temporary support installation mechanical arm on the development machine, carrying out the mined coal body out through the conveying equipment along with the continuous forward development of the development machine, conveying an automatic support temporary support device to a goaf through a temporary support transfer device in the mining process of the development machine, then placing the automatic support temporary support device to a set position by the temporary support installation mechanical arm, expanding the automatic support temporary support device, and carrying out temporary support, wherein the part between the two automatic support temporary support devices is a support zone;
(2) After the mining of the innermost branch road is completed, the heading machine exits, a branch road is separated from the heading machine, the heading machine continues to carry out the mining of the next branch road, the gangue thrower advances to the deepest supporting section of the goaf of the innermost branch road, a temporary support mounting mechanical arm is also arranged on the gangue thrower, the gangue thrower is connected with gangue transport equipment, an automatic support temporary support device where the deepest supporting section of the goaf is positioned is contracted, the temporary support mounting mechanical arm places the contracted automatic support temporary support device on a temporary support transfer device, the temporary support transfer device carries the automatic support temporary support device out to the branch road where the heading machine works, and meanwhile, the gangue is transported to the goaf through the gangue transport equipment, and the gangue thrower carries out gangue throwing filling while backing supporting and filling;
(3) After the deepest goaf finishes the filling operation, the gangue thrower retreats, and the step (2) is repeated, and the filling operation of the rest part is continued until the filling operation of the whole goaf of the innermost branch roadway is finished;
(4) And (3) circulating the steps (1) - (3), and continuously mining and filling the separated branch roadways after the branch roadways are sequentially mined and filled at intervals until all the branch roadways are mined and filled.
2. The method of claim 1, wherein in step (1), the automatic support temporary support device is tightly installed to realize omnibearing protection, and in step (2), after the exploitation is completed, the heading machine is withdrawn, no permanent support installation is performed, and the surrounding rock pressure is borne by the automatic support temporary support device and the surrounding rock itself.
3. The method for implementing the continuous mining continuous charging system without permanent support filling according to claim 1, wherein in the step (1), if surrounding rock of a roadway is broken, point type or combined type anchor bolt support, a shed and single point columns are carried out according to the field condition.
4. The method for implementing the continuous mining continuous charging system without permanent support filling according to claim 1, wherein the method for implementing the continuous mining continuous charging system without permanent support filling adopts paste filling, a conveying pipeline is arranged on an automatic support temporary support device, filled paste is conveyed to a goaf through the conveying pipeline, a temporary support installation mechanical arm is arranged on a moving trolley, and the automatic support temporary support device is dismounted by driving the temporary support installation mechanical arm through the moving trolley, and the temporary support device is simultaneously retracted for filling.
5. The method for implementing the continuous mining continuous charging system without permanent support filling according to claim 4, wherein when the top plate is good and the shoulder nest space between the support frame and the roadway side wall is large, the filling paste is sent to the goaf by paving a transportation pipeline at the shoulder nest, the transportation pipeline is abutted against the roadway side wall, and the automatic support temporary support device is immediately filled after being removed by the temporary support mounting mechanical arm, and the continuous operation is carried out until the automatic support temporary support device is completely removed, and the whole roadway is completely filled; when the top plate is not good, the filling paste is conveyed to the goaf through a conveying pipeline in the middle of the support frame.
6. The method for implementing the continuous mining continuous charging system without permanent support filling according to claim 1, wherein the conventional support length is adopted for door opening and pre-penetration determination according to coal rock mass conditions and coal mine technical requirements, supports are reinforced at the door opening position and the penetration point of the three-way door, 1-8m of the reinforcing supports are arranged in the door opening position of the three-way door, and 1-8m of the reinforcing supports are arranged at the penetration point.
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