阅读说明：本技术 一种连采连充无永久支护充填的系统及实施方法 (Continuous mining and continuous filling system without permanent support filling and implementation method ) 是由 成云海 左垒安 逄楚铭 韩承建 史明伟 王旭东 于 2021-08-18 设计创作，主要内容包括：一种连采连充无永久支护充填的系统及实施方法,属于煤矿充填开采技术领域。包括掘进机、运输设备、自动支撑临时支护装置、临时支护转载装置、临时支护安装机械臂、抛矸机、矸石运输设备和移动小车,其中,掘进机上设置有临时支护安装机械臂,掘进机连接有运输设备,抛矸机上设置有临时支护安装机械臂,抛矸机连接有矸石运输设备,移动小车上设置有临时支护安装机械臂,临时支护转载装置连接有自动支撑临时支护装置,本发明机械化程度高、操作简单、安全可靠、工作效率高,实现连采连充的同时省去现存开采技术中安装永久性支护的步骤,降低煤矿开采成本,避免造成大量的资源浪费。(A continuous mining and filling system without permanent support filling and an implementation method belong to the technical field of coal mine filling mining. The automatic temporary support device for the coal mine comprises a heading machine, transportation equipment, an automatic support temporary support device, a temporary support transshipment device, a temporary support installation mechanical arm, a gangue throwing machine, gangue transportation equipment and a movable trolley, wherein the temporary support installation mechanical arm is arranged on the heading machine, the heading machine is connected with the transportation equipment, the temporary support installation mechanical arm is arranged on the gangue throwing machine, the gangue throwing machine is connected with the gangue transportation equipment, the temporary support installation mechanical arm is arranged on the movable trolley, and the temporary support transshipment device is connected with the automatic support temporary support device.)

1. A continuous mining and filling system without permanent support filling is characterized by comprising a heading machine, a transportation device, an automatic support temporary support device, a temporary support transshipment device, a temporary support installation mechanical arm, a gangue throwing machine, gangue transportation equipment and a movable trolley, wherein,

the excavator is provided with temporary support mounting mechanical arms and is connected with transportation equipment, the gangue throwing machine is provided with temporary support mounting mechanical arms and is connected with gangue transportation equipment, the moving trolley is provided with temporary support mounting mechanical arms, and the temporary support transshipping device is connected with an automatic support temporary support device.

2. The system of claim 1, wherein the automatic supporting temporary supporting device comprises a supporting frame, a transverse cylinder, a vertical cylinder and a guide rail, the supporting frame is obliquely arranged at two ends, the supporting frame is respectively provided with a supporting rod at two ends, the vertical cylinder is arranged at the lower end of the supporting rod, the transverse cylinder is obliquely arranged between the supporting rod and the supporting frame, the middle part of the supporting frame is provided with a conveying pipeline, and the guide rail is arranged at the lower side of the middle part of the supporting frame.

3. The continuous mining and continuous filling system without permanent supporting and filling according to claim 2, wherein the temporary supporting and transferring device comprises a vehicle frame, a roller and a motor, the vehicle frame is arranged at the lower side of the guide rail through the roller, the roller is connected with the motor, and the vehicle frame is provided with a hook.

4. A method for implementing continuous mining and filling without permanent supporting filling according to claim 3, which comprises the following steps:

(1) dividing a working face into a plurality of branch roadways along the trend, firstly mining the innermost branch roadway, connecting a tunneling machine and transportation equipment together, mounting a temporary support mounting mechanical arm on the tunneling machine, conveying mined coal bodies out through the transportation equipment along with continuous forward tunneling of the tunneling machine, conveying an automatic support temporary support device to a goaf through a temporary support transfer device in the mining process of the tunneling machine, then placing the automatic support temporary support device to a set position by the temporary support mounting mechanical arm, unfolding 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 interval;

(2) after the mining of the innermost branch roadway is finished, the tunneling machine is withdrawn, a branch roadway is separated in the middle, the tunneling machine continues to conduct the mining of the next branch roadway, the gangue throwing machine advances to the deepest supporting section of the goaf of the innermost branch roadway, a temporary supporting and mounting mechanical arm is also arranged on the gangue throwing machine, the gangue throwing machine is connected with gangue transport equipment, an automatic supporting temporary supporting device where the deepest supporting section of the goaf is located contracts, the automatic supporting temporary supporting device is placed on a temporary supporting and transferring device through the temporary supporting and mounting mechanical arm, the automatic supporting temporary supporting device is conveyed out to the working branch roadway of the tunneling machine through the temporary supporting and transferring device, meanwhile, gangue is conveyed to the goaf through the gangue transport equipment, the gangue throwing machine conducts gangue throwing filling, and filling is conducted while the supporting is withdrawn;

(3) after the filling operation is finished at the deepest part of the gob, the gangue throwing machine retreats, the step (2) is repeated, and the filling operation of the rest part is continued until the filling operation of the whole gob of the innermost branch roadway is finished;

(4) and (4) circulating the steps (1) to (3), after the branch roadways are mined and filled at intervals in sequence, continuing mining and filling the separated branch roadways until all branch roadways are mined and filled completely.

5. The method for implementing continuous mining and continuous filling non-permanent supporting filling according to claim 4, wherein in the step (1), the automatic supporting temporary supporting device is tightly installed to achieve omnibearing protection, in the step (2), after mining is completed, the heading machine is withdrawn without permanent supporting installation, and surrounding rock pressure is borne by the automatic supporting temporary supporting device and surrounding rock.

6. The method for implementing continuous mining and continuous filling without permanent supporting and filling according to claim 4, wherein in the step (1), if the surrounding rock of the roadway is broken, point type or combined type anchor rod supporting, shed erecting or single point columns are carried out according to the field conditions; if the lane wall caving is serious or the two walls move close to each other, the wall parts are supported by anchor rods or anchor nets.

7. The method for implementing continuous mining, continuous filling and non-permanent support filling as claimed in claim 4, wherein the method for implementing continuous mining, continuous filling and non-permanent support filling adopts paste filling, a transport pipeline is arranged on the automatic support temporary support device, the filling paste is transported to the goaf through the transport pipeline, a temporary support mounting mechanical arm is arranged on the movable trolley, the movable trolley drives the temporary support mounting mechanical arm to realize the dismounting of the automatic support temporary support device, and the filling is carried out while the support is withdrawn.

8. The method of claim 7, wherein when the roof is good and the shoulder space between the supporting frame and the roadway side wall is large, the filling paste is delivered to the goaf by laying a transport pipeline in the shoulder space, the transport pipeline is close to the roadway side wall, and the automatic supporting temporary supporting device is immediately filled after the mechanical arm for installing temporary supporting is removed, and the filling is continuously carried out until the automatic supporting temporary supporting 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.

9. The method for implementing continuous mining and continuous filling non-permanent supporting filling according to claim 4, wherein the length of the door opening and the pre-penetration is determined according to coal rock mass conditions and coal mine technical requirements, the supporting is strengthened at the door opening position and the penetration position of the three-way door, the supporting is strengthened at 1-8m inside the three-way door opening, and the supporting is strengthened at the penetration position of 1-8 m.

Technical Field

The invention relates to a continuous mining and continuous filling system without permanent support filling and an implementation method, and belongs to the technical field of coal mine filling mining.

Background

At present, supports are used in the coal mine continuous mining and continuous filling process at home and are permanent supports, such as anchor rod supports, anchor rod and anchor net supports, anchor rod and anchor beam supports, anchor rod and anchor net guniting supports, plain guniting supports, arch support, cast-in-place reinforced cement supports, U-shaped steel supports, I-shaped steel three-section shed supports and the like, and the support means are generally not recycled after coal mine mining work is completed and are basically all abandoned, so that the coal mine mining cost is increased, and a large amount of resources are wasted; in the continuous mining and continuous filling process, when the support is additionally arranged, the equipment generally stops working, 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 the health condition of the workers is threatened to a certain extent.

At present, a method for continuous mining and continuous filling without permanent support filling does not exist, and a plurality of problems are also faced in the research aspect of non-permanent support filling. In the existing temporary support technologies, after the temporary support is additionally arranged, permanent support is still required to be carried out on the coal rock mass, and resource waste is still caused to a certain extent. For example, chinese patent document CN206035517U discloses a parallel operation type fast tunneling support system, which comprises a tunneling machine and a plurality of support frames, wherein a transportation device is arranged on the tunneling machine, the transportation device is composed of a frame, a front adjusting beam and a rear adjusting beam, two sides of the frame are provided with mutually parallel transmission chains, a guide groove is formed in the center of the frame, one end of the front adjusting beam and one end of the rear adjusting beam are respectively hinged to different bases located in the guide groove, and the other end of the front adjusting beam and the rear adjusting beam are provided with a beam supporting device. In the system, the mining roadway is partially and permanently supported, so that the working efficiency is reduced to a certain extent, the permanent supports are difficult to recover after mining is completed, the resource waste is caused, continuous mining and continuous filling cannot be performed in the system, the working efficiency is low, and a plurality of problems can be met in subsequent roadway branch mining.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a continuous mining and continuous filling non-permanent support filling system and an implementation method, which have the advantages of high degree of mechanization, simple operation, safety, reliability and high working efficiency, and can realize continuous mining and continuous filling, simultaneously save the step of installing permanent supports 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 and filling system without permanent support filling comprises a development machine, a transportation device, an automatic support temporary support device, a temporary support transfer device, a temporary support installation mechanical arm, a gangue throwing machine, a gangue transportation device and a movable trolley, wherein,

the excavator is provided with temporary support mounting mechanical arms and is connected with transportation equipment, the gangue throwing machine is provided with temporary support mounting mechanical arms and is connected with gangue transportation equipment, the moving trolley is provided with temporary support mounting mechanical arms, and the temporary support transshipping device is connected with an automatic support temporary support device.

Preferably, the automatic supporting temporary supporting device comprises a supporting frame, a transverse oil cylinder, a vertical oil cylinder and a guide rail, wherein two ends of the supporting frame are arranged in an inclined mode to avoid interference with the side wall of the roadway, supporting rods are arranged at two ends of the supporting frame respectively, the vertical oil cylinder is arranged at the lower end of each supporting rod, the transverse oil cylinder is arranged between each supporting rod and the supporting frame in an inclined mode, a conveying pipeline is arranged in the middle of the supporting frame, and the guide rail is arranged on the lower side of the middle of the supporting frame. The automatic supporting temporary supporting device is unfolded and contracted through the cooperation of the transverse oil cylinder and the vertical oil cylinder, the conveying pipeline is used for conveying filling paste, guide rails are connected together when the automatic supporting temporary supporting device is tightly installed, an operation track of the temporary supporting transshipping device is formed jointly, and the temporary supporting transshipping device is guaranteed to run back and forth on the operation track.

Preferably, interim supporting elevating gear includes frame, gyro wheel and motor, and the frame passes through the gyro wheel to be set up in the guide rail downside, and the gyro wheel is connected with the motor, is provided with the couple on the frame, through motor drive gyro wheel and frame along the guide rail operation, hangs on the couple and adorns automatic support interim supporting gear, realizes the fore-and-aft transfer of automatic support interim supporting gear.

The implementation method of continuous mining and continuous filling without permanent support filling comprises the following operation steps:

(1) dividing a working face into a plurality of branch roadways along the trend, firstly mining the innermost branch roadway, connecting a tunneling machine and transportation equipment together, mounting a temporary support mounting mechanical arm on the tunneling machine, conveying mined coal bodies out through the transportation equipment along with continuous forward tunneling of the tunneling machine, conveying an automatic support temporary support device to a goaf (a region to be mounted) through a temporary support transfer device in the mining process of the tunneling machine, then placing the automatic support temporary support device to a set position by the temporary support mounting mechanical arm, unfolding 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 interval;

(2) after the mining of the innermost branch roadway is finished, the tunneling machine is withdrawn, a branch roadway is separated in the middle, the tunneling machine continues to conduct the mining of the next branch roadway, the gangue throwing machine advances to the deepest supporting section of the goaf of the innermost branch roadway, a temporary supporting and mounting mechanical arm is also arranged on the gangue throwing machine, the gangue throwing machine is connected with gangue transport equipment, an automatic supporting temporary supporting device where the deepest supporting section of the goaf is located contracts, the automatic supporting temporary supporting device is placed on a temporary supporting and transferring device through the temporary supporting and mounting mechanical arm, the temporary supporting and transferring device conveys the automatic supporting temporary supporting device to the working branch roadway of the tunneling machine, meanwhile, gangue (coal ash, loess or aeolian sand) is conveyed to the goaf through the gangue transport equipment, the gangue throwing mechanical arm carries out gangue filling, and the gangue filling is carried out while the supporting is withdrawn;

(3) after the filling operation is finished at the deepest part of the gob, the gangue throwing machine retreats, the step (2) is repeated, and the filling operation of the rest part is continued until the filling operation of the whole gob of the innermost branch roadway is finished;

(4) and (4) circulating the steps (1) to (3), after the branch roadways are mined and filled at intervals in sequence, continuing mining and filling the separated branch roadways until all branch roadways are mined and filled completely.

Preferably, in the step (1), the automatic supporting temporary supporting device is tightly installed to achieve all-dimensional protection, in the step (2), after mining is completed, the heading machine is withdrawn without permanent supporting installation, and surrounding rock pressure is borne by the automatic supporting temporary supporting device and surrounding rock.

Preferably, in the step (1), if surrounding rock of the roadway is broken, the roadway needs to be simply supported additionally, the supporting strength is weaker than the conventional supporting strength, the roof does not fall off in a short period, the two sides do not stride, and point or combined anchor rod supporting, shed erecting or single point columns are carried out according to the field condition; if the lane wall caving is serious or the two walls move close to each other, the wall parts are supported by anchor rods or anchor nets.

Preferably, the implementation method of continuous mining and continuous filling non-permanent support filling adopts paste filling, a conveying pipeline is arranged on the automatic support temporary support device, the filling paste is conveyed to the goaf through the conveying pipeline, a temporary support mounting mechanical arm is arranged on the movable trolley, and the movable trolley drives the temporary support mounting mechanical arm to realize the disassembly of the automatic support temporary support device and simultaneously perform support withdrawal and filling. And selecting throwing waste rock filling or paste filling according to the surrounding rock conditions of the mining roadway and the conditions of the mine production system.

Preferably, the top plate is good, when a shoulder hole empty space between the support frame and the roadway side wall is large, the filling paste is delivered to the goaf by laying a conveying pipeline in the shoulder hole, the conveying pipeline is close to the roadway side wall, and the automatic support temporary support device is immediately filled and continuously carried out after the temporary support mounting mechanical arm removes the automatic support temporary support device 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 door opening and pre-penetration according to coal and rock mass conditions and coal mine technical requirements, the support is reinforced (permanent support) at the door opening position (intersection of a main roadway and a branch roadway) and the penetration point of the three-way door, the support is reinforced 1-8m in the three-way door, and the support is reinforced 1-8m at the penetration point.

The invention has the beneficial effects that:

1. the continuous mining and continuous charging device has the advantages of high degree of mechanization, simplicity in operation, safety, reliability and high working efficiency, and can be used for realizing continuous mining and continuous charging, simultaneously saving the step of installing a permanent support in the existing mining technology, reducing the mining cost of coal mines and avoiding causing a large amount of resource waste.

2. The invention controls the mechanical operation through a remote end in the whole process, greatly reduces the participation of operators, improves the safety and the mining efficiency of mining work, and realizes the effects of less humanization and intellectualization.

Drawings

FIG. 1 is a schematic illustration of the mining architecture of the present invention;

FIG. 2 is a schematic diagram of a filling structure of the gangue dumping machine of the invention;

FIG. 3 is a schematic view of the paste filling structure of the present invention;

FIG. 4 is a schematic structural view of the automatic supporting temporary supporting device of the present invention;

FIG. 5 is a schematic view of the door opening construction of the three-way door of the present invention;

FIG. 6 is a schematic view of a through point construction of the present invention;

wherein: 1-a heading machine; 2-automatic supporting temporary support device; 3-transportation equipment; 4-temporarily supporting and mounting a mechanical arm; 5-temporary supporting and transshipping device; 6-a guide rail; 7-gangue transport equipment; 8-throwing a gangue machine; 9-moving the trolley; 10-a transport pipeline; 11-side wall of the roadway; 12-a transverse oil cylinder; 13-a vertical oil cylinder; 14-coal rock mass; 15-main roadway; 16-branch laneways; and 17-permanent support.

Detailed Description

The present invention will be further described by way of examples, but not limited thereto, with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-4, the present embodiment provides a continuous mining and continuous filling system without permanent support filling, which includes a heading machine 1, a transportation device 3, an automatic support temporary support device 2, a temporary support transshipment device 5, a temporary support mounting mechanical arm 4, a gangue throwing machine 8, a gangue transportation device 7 and a movable trolley 9, wherein,

the mechanical arm for temporary supporting and mounting is arranged on the tunneling machine 1, the tunneling machine 1 is connected with the transportation equipment 3, the mechanical arm for temporary supporting and mounting is arranged on the gangue throwing machine 8, the gangue throwing machine 8 is connected with the gangue transportation equipment 7, the mechanical arm for temporary supporting and mounting is arranged on the movable trolley 9, and the temporary supporting and transferring device 5 is connected with the automatic temporary supporting and mounting device 2.

The automatic supporting temporary supporting device 2 comprises a supporting frame, a transverse oil cylinder 12, a vertical oil cylinder 13 and a guide rail 6, wherein two ends of the supporting frame are arranged in an inclined mode, interference with a roadway side wall 11 is avoided, two ends of the supporting frame are respectively provided with a supporting rod, the lower end of the supporting rod is provided with the vertical oil cylinder 13, the transverse oil cylinder 12 is arranged between the supporting rod and the supporting frame in an inclined mode, the middle of the supporting frame is provided with a conveying pipeline 10, and the lower side of the middle of the supporting frame is provided with the guide rail 6. The automatic supporting temporary supporting device is unfolded and contracted through the cooperation of the transverse oil cylinder and the vertical oil cylinder, the conveying pipeline is used for conveying filling paste, guide rails are connected together when the automatic supporting temporary supporting device is tightly installed, an operation track of the temporary supporting transshipping device is formed jointly, and the temporary supporting transshipping device is guaranteed to run back and forth on the operation track.

Temporary support elevating gear 5 includes frame, gyro wheel and motor, and the frame passes through the gyro wheel to be set up in the guide rail downside, and the gyro wheel is connected with the motor, is provided with the couple on the frame, through motor drive gyro wheel and frame along the guide rail operation, hangs dress automatic support temporary support device on the couple, realizes the front and back transfer of automatic support temporary support device.

The implementation method of continuous mining and continuous filling without permanent support filling comprises the following operation steps:

(1) dividing a working face into a plurality of branch roadways along the trend, firstly mining the innermost branch roadway, connecting a tunneling machine 1 and a transportation device 3 together, mounting a temporary support mounting mechanical arm 4 on the tunneling machine 1, transporting mined coal out through the transportation device 3 along with continuous forward tunneling of the tunneling machine 1, conveying an automatic support temporary support device 2 to a goaf (to-be-mounted area) through a temporary support transfer device 5 in the mining process of the tunneling machine 1, then placing the automatic support temporary support device 2 to a set position through the temporary support mounting mechanical arm 4, unfolding the automatic support temporary support device 2, and performing temporary support, wherein the part between the two automatic support temporary support devices 2 is a support interval;

(2) after the innermost branch roadway is mined, the development machine 1 is withdrawn, a branch roadway is separated, the development machine 1 continues to mine the next branch roadway, the gangue throwing machine 8 advances to the deepest supporting section of the goaf of the innermost branch roadway, the gangue throwing machine 8 is also provided with a temporary supporting and mounting mechanical arm 4, the gangue throwing machine 8 is connected with gangue transport equipment 7, the automatic supporting and temporary supporting device 2 at the deepest supporting section of the goaf contracts, the temporary supporting and mounting mechanical arm 4 places the contracted automatic supporting and temporary supporting device 2 on the temporary supporting and transferring device 5, the temporary supporting and transferring device 5 conveys the automatic supporting and temporary supporting device 2 to the branch roadway where the development machine 1 works, and meanwhile, gangue (coal ash, loess or aeolian sand) is conveyed to the goaf through the gangue transport equipment 7, the gangue throwing machine 8 performs gangue filling and simultaneously retreats and fills the gangue;

(3) after the filling operation is finished at the deepest part of the gob, the gangue throwing machine 8 retreats, the step (2) is repeated, and the filling operation of the rest part is continued until the filling operation of the whole gob of the innermost branch roadway is finished;

(4) and (4) circulating the steps (1) to (3), after the branch roadways are mined and filled at intervals in sequence, continuing mining and filling the separated branch roadways until all branch roadways are mined and filled completely.

The excavator 1, the transportation equipment 3, the temporary support mounting mechanical arm 4, the throwing cash machine 8 and the cash transportation equipment are the existing mining equipment, the excavator 1, the transportation equipment 3, the automatic support temporary support device 2, the temporary support transshipment device 5, the temporary support mounting mechanical arm 4, the throwing cash machine 8 and the cash transportation equipment are all controlled through a remote control system, the continuous mining and continuous filling non-permanent support filling system is provided with a sensor, a snooper and an illumination system which are used conventionally, the equipment operation condition accessible cable is transmitted to the remote control system, and the monitoring is carried out in real time.

In the step (1), the automatic supporting temporary supporting device 2 is tightly installed to achieve all-dimensional protection, in the step (2), after mining is completed, the heading machine is withdrawn without permanent supporting installation, and surrounding rock pressure is borne by the automatic supporting temporary supporting device and surrounding rock.

Example 2:

the implementation method of continuous mining and filling without permanent support filling comprises the following steps of 1, wherein the difference is that in the step (1), if surrounding rocks of a roadway are broken, the roadway needs to be additionally simply supported, the support strength is weaker than the conventional support strength, a top plate does not fall off in a short period, two sides do not stride, and point type or combined anchor rod support, shed erection or single point columns are carried out according to the field condition; if the lane wall caving is serious or the two walls move close to each other, the wall parts are supported by anchor rods or anchor nets.

Example 3:

the implementation method of continuous mining, continuous filling and non-permanent support filling comprises the following steps of 1, and is different in that paste filling is adopted, a gangue throwing machine 8 is not used for filling, a conveying pipeline 10 is arranged on an automatic support temporary support device 2, filling paste is conveyed to a goaf through the conveying pipeline, a temporary support mounting mechanical arm 4 is arranged on a movable trolley 9, the temporary support mounting mechanical arm 4 is driven by the movable trolley 9 to achieve dismounting of the automatic support temporary support device 2, the dismounting quantity of the automatic support temporary support device 2 is determined according to the actual situation of surrounding rocks of a roadway, support and filling are carried out while withdrawing support until the strip of roadway is completely filled, and then mining and filling work of the next roadway is carried out. And selecting throwing waste rock filling or paste filling according to the surrounding rock conditions of the mining roadway and the conditions of the mine production system.

When the top plate is good and the shoulder hole gap between the support frame and the roadway side wall is large, the filling paste is delivered to the goaf by laying a transport pipeline in the shoulder hole, the transport pipeline is close to the roadway side wall, and the automatic support temporary support device is immediately filled and continuously filled after the temporary support mounting mechanical arm removes the automatic support temporary support device 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:

the implementation method of continuous mining and continuous filling without permanent support filling comprises the following steps of 1, wherein permanent supports 17 are installed 1-8m in a three-way door opening according to coal and rock body conditions and coal mine technical requirements, after normal support, a row of tunneling is continued, at the moment, automatic support temporary support devices 2 are arranged along positions (two sides form an obtuse angle side) indicated by the permanent supports 17 in the figure 5 from the position close to the last row of permanent supports and perpendicular to the side sides, and mechanical arms 4 are installed through the temporary supports step by step to perform continuous support of the automatic support temporary support devices 2, so that branch roadway mining is completed.

Example 5:

the implementation method of continuous mining and continuous filling without permanent support filling comprises the following steps of 1, and is characterized in that permanent supports 17 are installed in the penetration points 1-8m according to coal and rock body conditions and coal mine technical requirements, as shown in fig. 6, when a heading machine is tunneled to the distance of 1-8m from the penetration points, the automatic support of the temporary support device 2 is not required to be supported, the permanent supports 17 are used for permanent support after each row is tunneled until two roadways are communicated, and the reinforcing support of 1-8m in the penetration points is completed, so that the subsequent filling construction is facilitated.