Advancing mining working face anchor protection device and technology based on reversed loader

Abstract

The invention aims at disclosing an advancing type mining working face anchor protection device and technology based on a reversed loader, and relates to the technical field of coal mine roadway tunneling, the advancing type mining working face anchor protection device comprises a reversed loader assembly, a translation assembly, a milling and excavating assembly, a temporary supporting assembly and an anchor rod assembly; the milling and excavating assembly is close to a roadway side, the anchor rod assembly is close to a roadway gob, and the temporary supporting assembly is located between the milling and excavating assembly and the anchor rod assembly. When the temporary supporting assembly supports the top of the roadway, the milling and excavating assembly or the anchor rod assembly works; the milling and digging assembly comprises a first base, a first rotating assembly, a first pitching arm and a milling and digging head; the device has the beneficial effects that the milling and digging assembly is close to the side of a roadway and mills and digs arc angles of two vertex angles of the side of the roadway formed by the cutting roller, the roadway is cleaned, coal at the arc angles is fully utilized, waste is avoided, the working efficiency is improved, and the working efficiency is improved. And the anchor rod assembly is close to the roadway goaf and is used for anchoring and protecting the top and the sides of the roadway.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mine roadway tunneling, and particularly relates to an advancing mining working face anchor protection device based on a transfer machine and a process. BACKGROUND

[0002] Coal mine advancing mining pushes forward from the vicinity of a shaft to the boundary of a mineral body. In the process of advancing, the mining working face is advanced while backfilling the mined area, only two roadways on the two sides are reserved, and the two roadways serve as a channel for coal mine external transportation and a return air channel. At present, the two top corners of the roadway side part formed by a cutting drum in the advancing mining are circular arc corners. The coal at the circular arc corners cannot be cut and is wasted, and the transfer machine or other equipment may be affected in normal walking in the roadway.

[0003] Therefore, it is urgent to develop an advancing mining working face anchor protection device based on a transfer machine and a process to overcome the above-mentioned defects. SUMMARY

[0004] The present application relates to the technical field of coal mine roadway tunneling, and particularly relates to an advancing mining working face anchor protection device based on a transfer machine and a process.

[0005] The first application purpose of the present application is to provide an advancing mining working face anchor protection device based on a transfer machine.

[0006] The second application purpose of the present application is to provide an advancing mining working face anchor protection process based on a transfer machine.

[0007] To achieve the above-mentioned first application purpose, the present application provides an advancing mining working face anchor protection device based on a transfer machine, which comprises a transfer machine assembly, a front-rear translation assembly installed on the top of the transfer machine assembly, a milling and digging assembly installed side by side on the top of the translation assembly, a temporary support assembly, and an anchor rod assembly. The translation assembly drives the milling and digging assembly, the temporary support assembly, and the anchor rod assembly to advance or retreat synchronously. The milling and digging assembly is close to the roadway side part, the anchor rod assembly is close to the roadway goaf, and the temporary support assembly is located between the milling and digging assembly and the anchor rod assembly. When the temporary support assembly supports the top of the roadway, the milling and digging assembly or the anchor rod assembly works. The milling and digging assembly comprises a first base, a first rotary assembly, a first luffing arm, and a milling and digging head. The first base is installed on the top of the translation assembly. The first rotary assembly drives the milling and digging head to swing left and right through the first luffing arm. The first luffing arm drives the milling and digging head to luff. The anchor rod assembly comprises a second base, a second rotary assembly, a second luffing arm, a third rotary assembly and a drilling arm, the second base is installed on the top of the translation assembly, the second rotary assembly drives the drilling arm to swing left and right through the second luffing arm, the second luffing arm drives the drilling arm to luff, the third rotary assembly is arranged at the end of the second luffing arm, and the third rotary assembly drives the drilling arm to align with the side of the roadway or the top of the roadway.

[0008] Preferably, the translation assembly comprises a translation oil cylinder, a sliding rail and a translation base, the sliding rail is installed on the top of the transfer machine assembly, and the translation oil cylinder drives the translation base to move forward and backward along the sliding rail.

[0009] Preferably, the first base is installed on the top of the translation base. The first rotary assembly comprises a first vertical rotary shaft, a first rotary part and a first swing angle oil cylinder, and the first swing angle oil cylinder drives the first rotary part to swing left and right with the first vertical rotary shaft as the center. The first luffing arm is hinged to the first rotary part, and a first luffing oil cylinder drives the first luffing arm to luff with the first rotary part as the fulcrum. The milling head is hinged to the first luffing arm, a second luffing oil cylinder is installed on the top of the first luffing arm, and the second luffing oil cylinder drives the milling head to swing up and down with the first luffing arm as the fulcrum.

[0010] Preferably, the second base is installed on the top of the translation base. The second rotary assembly comprises a second vertical rotary shaft, a second rotary part and a second swing angle oil cylinder, and the second swing angle oil cylinder drives the second rotary part to swing left and right with the second vertical rotary shaft as the center. The second luffing arm is hinged to the second rotary part, and a third luffing oil cylinder drives the second luffing arm to luff with the second rotary part as the fulcrum. The second luffing arm is a telescopic arm.

[0011] Preferably, the temporary support assembly comprises a third base, a third luffing arm and a support platform, and the third base is installed on the top of the translation assembly. The third luffing arm is a telescopic arm, the third luffing arm is hinged to the third base, and a fourth luffing oil cylinder drives the third luffing arm to luff with the third base as the fulcrum. The support platform is hinged to the third luffing arm, and a fifth luffing oil cylinder drives the support platform to luff with the third luffing arm as the fulcrum.

[0012] Preferably, a telescopic expansion part is arranged at the end of the support platform.

[0013] Preferably, the milling head mills the coal of the roadway side.

[0014] Preferably, the drilling arm performs bolting operation on the roadway side and the roof.

[0015] Based on the same inventive principle, to achieve the above-mentioned second object, the present application provides a front advancing mining working face anchor protection process based on a transfer machine, comprising the following steps: Step S1: a coal mining machine mines a coal area in a front advancing mode, and forms a roadway at the side of the coal area; Step S2: a milling assembly, a temporary support assembly and a bolting assembly installed side by side on the top of the transfer machine assembly operate in the roadway, the milling assembly mills the coal of the rounded corners of the roadway side, the temporary support assembly supports the roof of the roadway, and the bolting assembly performs bolting operation on the roof and the side of the roadway.

[0016] Preferably, the milling assembly and the bolting assembly do not operate at the same time.

[0017] Compared with the prior art, the present application has the following beneficial effects: (1) The present application creatively installs a milling assembly, a temporary support assembly and a bolting assembly side by side on the top of the translation assembly, wherein the translation assembly pushes the milling assembly, the temporary support assembly and the bolting assembly to move synchronously forward and backward, the milling assembly is close to the roadway side and mills the rounded corners of the two top corners of the roadway side formed by the cutting drum, which realizes cleaning the roadway and fully utilizes the coal at the rounded corners, avoiding waste, the bolting assembly is close to the goaf of the roadway, and the temporary support assembly is located between the milling assembly and the bolting assembly, while the temporary support assembly supports the roof of the roadway, the bolting assembly can perform bolting operation on the roof and the side of the roadway, and the safety of the roadway is ensured.

[0018] (2) The present application creatively develops a novel front advancing mining working face anchor protection process based on a transfer machine, installs a milling assembly, a temporary support assembly and a bolting assembly side by side on the top of the translation assembly, the milling assembly is close to the roadway side and mills the rounded corners of the two top corners of the roadway side formed by the cutting drum, which realizes cleaning the roadway and fully utilizes the coal at the rounded corners, avoiding waste, the bolting assembly is close to the goaf of the roadway, and the temporary support assembly is located between the milling assembly and the bolting assembly, while the temporary support assembly supports the roof of the roadway, the bolting assembly can perform bolting operation on the roof and the side of the roadway, which realizes the collaborative operation of cutting and advancing, temporary support, milling the rounded corners of the roadway and roadway bolting, ensures the safety of the roadway, cleans the roadway and improves the coal mining rate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the present application of the front advancing mining working face anchor protection device based on a transfer machine.

[0020] Figure 2 It is the front view schematic diagram of the anchor protection device of the advancing mining working face based on the reclaimer of the application.

[0021] Figure 3 It is the three-dimensional structure schematic diagram of the anchor rod assembly of the application.

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the milling and digging assembly of the application.

[0023] Figure 5 It is the three-dimensional structure schematic diagram of the temporary support assembly of the application.

[0024] Figure 6 It is the milling and digging state schematic diagram of the anchor protection device of the advancing mining working face based on the reclaimer of the application.

[0025] Figure 7 It is the top anchor rod state schematic diagram of the anchor protection device of the advancing mining working face based on the reclaimer of the application.

[0026] Figure 8 It is the side anchor rod state schematic diagram of the anchor protection device of the advancing mining working face based on the reclaimer of the application.

[0027] Figure 9 It is the working principle diagram of the advancing mining working face of the application.

[0028] Figure 10 It is the anchor protection process flow schematic diagram of the advancing mining working face based on the reclaimer of the application.

[0029] Wherein, 1, reclaimer assembly; 11, hydraulic power part; 2, translation assembly; 21, translation oil cylinder; 22, sliding rail; 23, translation base; 3, milling and digging assembly; 31, first base; 32, first rotary assembly; 321, first vertical rotary shaft; 322, first rotary part; 323, first swing angle oil cylinder; 33, first pitching arm; 331, first pitching oil cylinder; 332, second pitching oil cylinder; 34, milling and digging head; 4, temporary support assembly; 41, third base; 42, third pitching arm; 421, fourth pitching oil cylinder; 422, fifth pitching oil cylinder; 43, support platform; 431, telescopic expansion part; 5, anchor rod assembly; 51, second base; 52, second rotary assembly; 521, second vertical rotary shaft; 522, second rotary part; 523, second swing angle oil cylinder; 53, second pitching arm; 531, third pitching oil cylinder; 54, third rotary assembly; 55, drilling arm; 6, roadway; 61, roadway side; 62, roadway top; 63, round corner; 7, goaf; 8, scraper conveyor; 9, coal area; 91, cutting working area. DETAILED DESCRIPTION

[0030] The application will be described in detail below with reference to the embodiments shown in the drawings, but it should be noted that these embodiments are not a limitation on the application, and equivalent transformations or substitutions of functions, methods or structures made by those skilled in the art based on these embodiments are within the protection scope of the application.

[0031] In the description of the application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0032] The specific implementation process of the application will be described below through multiple embodiments. Embodiment 1

[0033] Referring to Figures 1 to 10 This embodiment discloses a specific implementation of an anchor protection device for a forward advancing mining face based on a reclaimer.

[0034] Referring to Figures 1 to 10, the anchor protection device of the advancing mining face based on the reclaimer comprises a reclaimer assembly 1, a front and rear translation assembly 2 installed on the top of the reclaimer assembly 1, a milling and digging assembly 3 installed side by side on the top of the translation assembly 2, a temporary support assembly 4 and an anchor rod assembly 5, the reclaimer assembly 1 is located in the roadway and parallel to the roadway, the reclaimer assembly 1 is used for transferring the cutting coal and the milling and digging coal, the translation assembly 2 drives the milling and digging assembly 3, the temporary support assembly 4 and the anchor rod assembly 5 to advance or retreat synchronously, the milling and digging assembly 3 is close to the roadway side 61, the anchor rod assembly 5 is close to the roadway goaf 7, the temporary support assembly 4 is located between the milling and digging assembly 3 and the anchor rod assembly 5, when the temporary support assembly 4 supports the roadway top 62, the milling and digging assembly 3 or the anchor rod assembly 5 works, the milling and digging assembly 3 comprises a first base 31, a first rotary assembly 32, a first luffing arm 33 and a milling and digging head 34, the first base 31 is installed on the top of the translation assembly 2, the first rotary assembly 32 drives the milling and digging head 34 to swing left and right through the first luffing arm 33, the first luffing arm 33 drives the milling and digging head 34 to luff, the left and right swinging and the up and down swinging of the milling and digging head are realized through the first rotary assembly 32 and the first luffing arm 33, so as to mill the coal of the round corner 63 of the roadway side 61, the anchor rod assembly 5 comprises a second base 51, a second rotary assembly 52, a second luffing arm 53, a third rotary assembly 54 and a drilling arm 55, the second base 51 is installed on the top of the translation assembly 2, the second rotary assembly 52 drives the drilling arm 55 to swing left and right through the second luffing arm 53, the second luffing arm 53 drives the drilling arm 55 to luff, the third rotary assembly 54 is arranged at the end of the second luffing arm 53, the third rotary assembly 54 drives the drilling arm 55 to align with the roadway side 61 or the roadway top 62, the translation assembly 2, the milling and digging assembly 3, the temporary support assembly 4 and the anchor rod assembly 5 share a hydraulic power part 11, the hydraulic power part 11 is fixedly installed on the top of the reclaimer assembly 1.

[0035] Specifically, referring to Figure 9, the cutting coal mining machine or other tunneling equipment advances in the arrow direction, and the coal mining machine timely fills the goaf 7 with grouting or other ways for backfilling, but the roadway 6 needs to be reserved to facilitate the coal transportation through the roadway 6, and the coal at the top of the roadway side part 61 and the rounded corner 63 of the bottom of the roadway 6 formed after the cutting coal mining machine or other tunneling equipment mining will be left, if the coal at the rounded corner 63 is not utilized, on the one hand, the coal resources are wasted, and on the other hand, the passability of the reclaimer or other equipment will be affected; in view of the limited width of the roadway 6, the current milling and digging equipment and anchor drilling equipment cannot effectively work. Therefore, the embodiment creatively installs the milling and digging assembly 3, the temporary supporting assembly 4 and the anchor assembly 5 side by side on the top of the translation assembly 2, wherein the translation assembly 2 is installed on the top of the reclaimer assembly 1, the translation assembly 2 pushes the milling and digging assembly 3, the temporary supporting assembly 4 and the anchor assembly 5 to move synchronously forward and backward, the milling and digging assembly 3 is close to the two top corners of the roadway side part 61 which are the rounded corner 63 formed by the milling and digging cutting drum, the coal at the rounded corner 63 is cleaned and fully utilized, and the waste is avoided, and the anchor assembly 5 is close to the goaf 7 of the roadway, the temporary supporting assembly 4 is located between the milling and digging assembly 3 and the anchor assembly 5, the anchor assembly 5 can perform anchor drilling on the roadway top part 62 and the roadway side part 61 while the temporary supporting assembly 4 supports the roadway top part 62, the safety of the roadway is ensured, the roadway is cleaned, and the coal mining rate is improved.

[0036] Referring to Figures 1 to 2 , the translation assembly 2 comprises a translation oil cylinder 21, a sliding rail 22 and a translation base 23, the sliding rail 22 is installed on the top of the reclaimer assembly 1, the translation oil cylinder 21 drives the translation base 23 to move forward and backward along the sliding rail 22, the milling and digging assembly 3, the temporary supporting assembly 4 and the anchor assembly 5 are installed side by side on the translation base 23, the translation oil cylinder 21 gives the milling and digging assembly 3, the temporary supporting assembly 4 and the anchor assembly 5 a maximum forward and backward moving stroke of 1100mm, so that the milling and digging assembly 3, the temporary supporting assembly 4 and the anchor assembly 5 can work beyond the front edge of the reclaimer assembly 1 along the roadway direction, the coal at the rounded corner 63 is milled and dug in advance by the milling and digging assembly 3, and the anchor drilling support is performed in advance by the anchor assembly 5 without moving the reclaimer assembly 1.

[0037] Referring to Figure 1 , Figure 2 , Figure 4 , Figures 6 to 9, the first base 31 is installed on the top of the translation base 23; the first rotary assembly 32 comprises a first vertical rotary shaft 321, a first rotary piece 322 and a first swing angle oil cylinder 323, the first swing angle oil cylinder 323 drives the first rotary piece 322 to swing left and right around the first vertical rotary shaft 321, and further drives the milling head 34 to mill left and right; the first luffing arm 33 is hinged to the first rotary piece 322, and a first luffing oil cylinder 331 drives the first luffing arm 33 to luff with the first rotary piece 322 as a fulcrum, so that the milling head 34 can mill the round corner 63 at the top of the roadway rib 61 and the round corner 63 at the bottom of the roadway rib 61 through the first luffing oil cylinder 331; the milling head 34 is hinged to the first luffing arm 33, and a second luffing oil cylinder 332 is installed on the top of the first luffing arm 33, and the second luffing oil cylinder 332 drives the milling head 34 to swing up and down with the first luffing arm 33 as a fulcrum, so that the milling head 34 is convenient for milling the coal of the round corner 63; see Figure 6 , the milling range of the milling head 34 is from the vertical surface of the roadway rib 61 to the middle of the transshipment machine assembly 1, and even the residual coal at the head of the plate conveyer 8 can be dug out, so that the roadway 6 is cleaned.

[0038] See Figure 1 , Figure 2 , Figure 3 , Figures 6 to 9 , the second base 51 is installed on the top of the translation base 23; the second rotary assembly 52 comprises a second vertical rotary shaft 521, a second rotary piece 522 and a second swing angle oil cylinder 523, the second swing angle oil cylinder 523 drives the second rotary piece 522 to swing left and right around the second vertical rotary shaft 521, and further drives the drilling arm 55 to swing left and right, so that the drilling arm 55 can drill anchors on the entire roadway top 62, and can drill anchors on the roadway rib 61 by crossing the milling assembly 3 in the contracted state; the second luffing arm 53 is hinged to the second rotary piece 522, and a third luffing oil cylinder 531 drives the second luffing arm 53 to luff with the second rotary piece 522 as a fulcrum, so as to change the height of the drilling arm 55, and the drilling arm drills anchors on the roadway rib 61 at different heights; the second luffing arm 53 is a telescopic arm, and the telescopic arm can change the length of the drilling arm 55 in front and back.

[0039] See Figure 1 , Figure 2 , Figures 5 to 9The temporary support assembly 4 comprises a third base 41, a third luffing arm 42 and a support platform 43. The third base 41 is mounted on the top of the translation assembly 2, preferably on the top of the translation base 23. The third luffing arm 42 is a telescopic arm. The third luffing arm 42 is hinged to the third base 41. A fourth luffing oil cylinder 421 drives the third luffing arm 42 to luff with the third base 41 as the fulcrum. The support platform 43 is hinged to the third luffing arm 42. A fifth luffing oil cylinder 422 drives the support platform 43 to luff with the third luffing arm 42 as the fulcrum. The fourth luffing oil cylinder 421 and the telescopic arm drive the support platform 43 to abut against the top of the roadway or to retract. The fifth luffing oil cylinder 422 finely adjusts the support angle of the support platform 43, so that the support platform 43 can adapt to the top of the roadway with certain undulations. The end of the support platform 43 is provided with a telescopic expansion part 431, which expands the temporary support range of the support platform 43 and ensures the safety of the support.

[0040] Through the embodiment, the translation assembly 2 gives the first stroke of the forward and backward movement of the milling and digging assembly 3, the temporary support assembly 4 and the anchor rod assembly 5. The first luffing arm 33 of the milling and digging assembly 3 gives another stroke of the forward and backward movement of the milling head 34. The telescopic arm of the temporary support assembly 4 gives another stroke of the forward and backward movement of the support platform 43. The telescopic arm of the anchor rod assembly 5 gives another stroke of the forward and backward movement of the drilling arm 55. Therefore, the working range of the milling and digging assembly 3, the temporary support assembly 4 and the anchor rod assembly 5 can be adjusted, the working range is wide and the adaptability is strong. Embodiment 2

[0041] Referring to Figure 10 The embodiment discloses a specific implementation of the anchor support process of the forward mining working face based on the reclaimer.

[0042] The anchor support process of the forward mining working face based on the reclaimer, referring to Figure 10 , comprises the following steps: Step S1: The coal mining machine mines the coal area 9 in a forward manner to form the roadway 6 at the side of the coal area 9. Specifically, referring to Figure 9 The area that has been mined and backfilled is the goaf 7. The cutting working area 91 is between the goaf 7 and the coal area 9. The roadway 6 is formed at the side of the coal area 9. The anchor support device of the forward mining working face based on the reclaimer described in Embodiment 1 is located in the roadway 6.

[0043] Step S2: The milling and digging assembly 3, the temporary support assembly 4 and the anchor rod assembly 5 installed in parallel on the top of the transfer conveyor assembly 1 work in the roadway 6, the milling and digging assembly 3 mills and digs the coal at the rounded corners of the roadway side 61, the temporary support assembly 4 supports the top of the roadway, and the anchor rod assembly 5 performs anchor rod operation on the top and side of the roadway. Specifically, to avoid safety accidents, the milling and digging assembly 3 and the anchor rod assembly 5 do not work at the same time (the milling and digging assembly 3 and the anchor rod assembly 5 work alternately); the milling head 34 can be aligned with the rounded corner 63 at the top of the roadway side 61 or the rounded corner 63 at the bottom of the roadway side 61 by the first luffing oil cylinder 331; the milling head 34 is hinged to the first luffing arm 33, the second luffing oil cylinder 332 is installed at the top of the first luffing arm 33, and the second luffing oil cylinder 332 drives the milling head 34 to swing up and down around the first luffing arm 33 as a fulcrum, so that the milling head 34 can easily mill and dig the coal at the rounded corner 63; see Figure 6 The milling range of the milling head 34 is from the vertical surface of the roadway side 61 to the middle of the transfer conveyor assembly 1, and even the coal at the bottom of the head of the scraper conveyor 8 can be dug, so as to clean the roadway 6; the second swing oil cylinder 523 drives the second rotating part 522 to swing left and right around the second vertical rotating shaft 521, and further drives the drilling arm 55 to swing left and right, so that the drilling arm 55 can drill anchors on the entire top 62 of the roadway, and can also drill anchors on the roadway side 61 across the milling and digging assembly 3; the second luffing arm 53 is hinged to the second rotating part 522, and the third luffing oil cylinder 531 drives the second luffing arm 53 to luff around the second rotating part 522 as a fulcrum, so as to change the height of the drilling arm 55 and drill anchors at different heights of the roadway side 61.

[0044] The embodiment creatively develops a new type of anchor support process for the advancing mining working face based on the transfer conveyor, and installs the milling and digging assembly 3, the temporary support assembly 4 and the anchor rod assembly 5 in parallel on the top of the translation assembly 2. The milling and digging assembly 3 is close to the roadway side 61 and mills and digs the rounded corners of the two top corners of the roadway side 61 formed by the cutting drum, realizes cleaning the roadway and fully utilizing the coal at the rounded corners, and avoids waste. The anchor rod assembly 5 is close to the roadway goaf 7, and the temporary support assembly 4 is located between the milling and digging assembly 3 and the anchor rod assembly 5. While the temporary support assembly 4 supports the top of the roadway, the anchor rod assembly 5 can perform anchor rod operation on the top and side of the roadway, realizes the cooperative operation of cutting, temporary support, milling and digging the rounded corners of the roadway and anchor support of the roadway, guarantees the safety of the roadway, cleans the roadway, and improves the coal mining rate.

[0045] The anchor support process for the advancing mining working face based on the transfer conveyor disclosed in the embodiment adopts the anchor support device for the advancing mining working face based on the transfer conveyor in the embodiment, which has the same technical solutions as in embodiment 1. Please refer to the description in embodiment 1, which will not be repeated here.

Claims

1. Anchoring device for forward mining faces based on transfer conveyors, characterized in that, It includes a transfer machine assembly, a forward and backward translation assembly mounted on top of the transfer machine assembly, a milling assembly, a temporary support assembly, and an anchor bolt assembly mounted side by side on top of the translation assembly, wherein the translation assembly drives the milling assembly, the temporary support assembly, and the anchor bolt assembly to move forward or backward synchronously; The milling assembly is located near the roadway sidewall, the anchor bolt assembly is located near the roadway goaf, and the temporary support assembly is located between the milling assembly and the anchor bolt assembly; When the temporary support assembly supports the top of the roadway, the milling assembly or the anchor bolt assembly operates; The milling assembly includes a first base, a first rotary assembly, a first pitch arm, and a milling head. The first base is mounted on the top of the translation assembly. The first rotary assembly drives the milling head to swing left and right through the first pitch arm, and the first pitch arm drives the milling head to pitch. The anchor bolt assembly includes a second base, a second slewing assembly, a second pitching arm, a third slewing assembly, and a drill arm. The second base is installed on top of the translation assembly. The second slewing assembly drives the drill arm to swing left and right through the second pitching arm, and the second pitching arm drives the drill arm to pitch. The third slewing assembly is located at the end of the second pitching arm, and the third slewing assembly drives the drill arm to align with the roadway sidewall or the roadway top.

2. The anchoring device for an advancing mining face based on a transfer machine as described in claim 1, characterized in that, The translation component includes a translation cylinder, a slide rail, and a translation base. The slide rail is installed on the top of the transfer machine component, and the translation cylinder drives the translation base to move back and forth along the slide rail.

3. The anchoring device for an advancing mining face based on a transfer machine as described in claim 2, characterized in that, The first base is mounted on top of the translation base; The first rotary assembly includes a first vertical rotary shaft, a first rotary component, and a first swing angle cylinder. The first swing angle cylinder drives the first rotary component to swing left and right around the first vertical rotary shaft. The first pitch arm is hinged to the first slewing member, and the first pitch cylinder drives the first pitch arm to pitch with the first slewing member as the fulcrum. The milling head is hinged to the first pitch arm, and a second pitch cylinder is installed on the top of the first pitch arm. The second pitch cylinder drives the milling head to swing up and down with the first pitch arm as the fulcrum.

4. The anchoring device for an advancing mining face based on a transfer machine as described in claim 2, characterized in that, The second base is mounted on top of the translation base; The second rotary assembly includes a second vertical rotary shaft, a second rotary component, and a second swing angle cylinder. The second swing angle cylinder drives the second rotary component to swing left and right around the second vertical rotary shaft. The second pitch arm is hinged to the second slewing member, and the third pitch cylinder drives the second pitch arm to pitch with the second slewing member as the fulcrum. The second pitch arm is a telescopic arm.

5. The anchoring device for an advancing mining face based on a transfer machine as described in any one of claims 1-4, characterized in that, The temporary support assembly includes a third base, a third pitching arm, and a support platform, with the third base installed on top of the translation assembly; The third pitch arm is a telescopic arm, and the third pitch arm is hinged to the third base. The fourth pitch cylinder drives the third pitch arm to pitch with the third base as the fulcrum. The support platform is hinged to the third pitch arm, and the fifth pitch cylinder drives the support platform to pitch with the third pitch arm as the fulcrum.

6. The anchoring device for an advancing mining face based on a transfer machine as described in claim 5, characterized in that, The support platform is provided with a telescopic extension section at its end.

7. The anchoring device for an advancing mining face based on a transfer machine as described in claim 5, characterized in that, The milling head mills the coal in the sidewalls of the roadway.

8. The anchoring device for an advancing mining face based on a transfer machine as described in claim 5, characterized in that, The drill arm performs anchor bolting operations on the sides and top of the tunnel.

9. Anchoring technology for forward mining faces based on transfer conveyors, characterized in that, Includes the following steps: Step S1: The coal mining machine advances forward to mine the coal area, forming a roadway on the side of the coal area; Step S2: The milling assembly, temporary support assembly, and bolt assembly, which are installed side by side on top of the transfer machine assembly, operate in the roadway. The milling assembly mills the coal at the rounded corners of the roadway sidewalls, the temporary support assembly supports the top of the roadway, and the bolt assembly bolts the top and sidewalls of the roadway.

10. The anchoring technology for an advancing mining face based on a transfer machine as described in claim 9, characterized in that, The milling assembly and the anchor bolt assembly do not operate simultaneously.

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