A method for filling and reinforcing underground goaf areas in mines

Abstract

This invention discloses a method for filling and reinforcing underground goaf areas in mines, relating to the field of mining construction technology. The method includes the following steps: Step 1: Installing the device: During operation, the entire device is installed in a designated location; Step 2: Adjusting the device: At the start of operation, the motor is turned on. The device includes a bottom support fixedly connected to the bottom of a support column, a top support fixedly connected to the top of the support column, a track groove on the side wall of the support column, a drive slide rod slidably connected inside the track groove, an external nozzle fixedly connected inside the drive slide rod, an external pipe fixedly connected to the top of the external nozzle, and an injection pipe fixedly connected to the bottom of the external nozzle. This method solves the technical problem that during filling operations, the pipe needs to be moved to a suitable position, and the track needs to undergo repeated sliding. If the track is not lubricated in time, the lifespan of the device will be greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of mining construction technology, specifically a method for filling and reinforcing underground goaf areas in mines. Background Technology

[0002] During mining operations, as ore resources are continuously extracted, underground spaces gradually form cavities, known as goafs. The formation of goafs exerts pressure on the surrounding rock mass, leading to rock instability and subsequently causing geological disasters such as ground subsidence and cracks, seriously threatening the lives of miners and the surrounding ecological environment. Therefore, goaf remediation has become a crucial task for mine safety and environmental protection. The existence of goafs increases the risk of miner injuries and deaths; remediation is a necessary measure to ensure miners' safety. Goafs may trigger geological disasters and damage the surrounding ecological environment; therefore, remediation is also an important means of protecting the ecological environment. Through backfilling and reinforcement, the support points of the rock mass can be increased, its stability improved, and the likelihood of geological disasters reduced. Backfilling and reinforcement technology is a method of using solid waste, cementing materials, or other filling materials to fill goafs to reduce the volume of cavities and improve the stress state of the rock mass. Commonly used filling materials include waste rock, tailings, coal gangue, and concrete. These materials can be selected according to appropriate proportions and transportation methods based on actual conditions.

[0003] A search revealed that the patent application (application number CN201510585644.6) includes the following steps: determining the filling borehole based on the occurrence morphology of the underground goaf; inserting a feeding pipe with a tray into the borehole; inserting a grouting pipe every few feeding pipes; injecting cement mortar; feeding loose sand and gravel into the goaf up to the top of the goaf through the feeding pipe; injecting cement mortar through the grouting pipe to form a concrete sandwich wall within the loose sand and gravel; and finally completing the filling and reinforcement construction of the entire goaf. Its advantages are: the strength of the filling body is significantly enhanced compared to dry filling using loose sand and gravel, effectively limiting the deformation and movement of the surrounding rock in the goaf, achieving satisfactory filling and reinforcement results. Compared with the grouting and cementing filling method, it avoids the drawbacks of long construction periods associated with layered grouting, saving significant costs and greatly improving construction efficiency.

[0004] However, the above-mentioned device still has shortcomings:

[0005] During the filling operation, the pipe needs to be moved to the appropriate position, and the track needs to undergo repeated sliding. If the track is not lubricated in time, the service life of the device will be greatly reduced. Summary of the Invention

[0006] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes a method for filling and reinforcing underground goaf areas in mines, which solves the problem that during the filling operation, the pipeline needs to be moved to a suitable position, and the track needs to undergo repeated sliding. If the track is not lubricated in time, the service life of the device will be greatly reduced.

[0007] To achieve the above objectives, this invention proposes a method for filling and reinforcing underground goaf areas in mines, comprising the following steps:

[0008] Step 1: Install the device: When working, install the entire device in the designated location;

[0009] Step 2: Adjustment of the device: When starting work, turn on the motor. The device includes a bottom bracket fixedly connected to the bottom of the support column, a top bracket fixedly connected to the top of the support column, a track groove opened on the side wall of the support column, a drive slide rod slidably connected inside the track groove, an external nozzle fixedly connected inside the drive slide rod, an external pipe fixedly connected to the top of the external nozzle, and an injection pipe fixedly connected to the bottom of the external nozzle. The motor can drive the drive slide rod to slide in the track groove, so that the injection pipe can extend into the place that needs to be filled when working, and can be retracted when not working.

[0010] Step 3: Work begins: The filler material is filled into the designated location through the device;

[0011] Step 4: Complete the work: After filling, retract the device.

[0012] Preferably, the drive slide rod is fixedly connected to small blocks at both ends within the track groove, and the track groove contains several component housings, each housing containing a drive component for providing a drive source and a lubrication component for auxiliary lubrication.

[0013] Preferably, the drive assembly includes a main drive rack, which is fixedly connected to a small block. A partition and a restoring block are fixedly connected to the side of the small block near the main drive rack. A partition block is fixedly connected to the top of the partition. A first round rod is fixedly connected inside the assembly housing. A driven gear is rotatably connected to the outer side of the first round rod. The driven gear and the main drive rack are meshed. A trapezoidal block is slidably connected to the outer side of the first round rod. The trapezoidal block is located on the side of the driven gear near the partition. Through the arrangement of the partition, driven gear, partition block, and restoring block, when the drive slide rod moves, it can only drive the driven gear to rotate when it moves downward, and cannot drive it when it moves upward. This effectively avoids the driven gear rotating too frequently, thus preventing waste of resources.

[0014] Preferably, an assisting circular plate is fixedly connected to the outer side of the first circular rod, and an opening and closing groove is formed on the outer side of the first circular rod. An inner rod is fixedly connected to the inner side of the first circular rod. The assisting circular plate is disposed on the side of the driven gear away from the partition. A first spring is sleeved on the outer side of the first circular rod. The two ends of the first spring are fixedly connected to the component housing and the assisting circular plate. Short teeth are fixedly connected to the inner wall of the assisting circular plate. A fixed slider is slidably connected to the end of the short teeth. A push spring is provided on the inner wall of the short teeth. The two ends of the push spring are fixedly connected to the fixed slider and the short teeth, respectively. The short teeth are slidably connected in the opening and closing groove. A fixing groove is formed on the side wall of the inner rod. The fixed slider is engaged in the fixing groove to achieve the overall fixing effect of the driven gear, preventing the driven gear from sliding on the first circular rod, which would cause the driven gear to rotate when moving upward.

[0015] Preferably, the lubrication assembly includes a second round rod, which is rotatably connected to the inner wall of the assembly housing. A drive turntable is fixedly connected to the outer side of the second round rod, and a small gear is fixedly connected to the second round rod. A limit plate is fixedly connected to the outer side of the small gear. The small gear and the driven gear mesh with each other, so that the driven gear can be driven without the need for an additional power source. This can greatly reduce the use of the engine and avoid excessive heat generated by the engine, which would cause the overall temperature of the device to rise.

[0016] Preferably, a lubricant storage chamber is fixedly connected inside the component housing. The lubrication component includes a second round rod, with a drive belt sleeved on the outer side of the second round rod. The bottom of the drive belt extends into the lubricant storage chamber. A driven gear disc is rotatably connected inside the lubricant storage chamber. One end of the drive belt extending into the lubricant storage chamber is sleeved on the outer side of the driven gear disc. A pressure plate is slidably connected inside the lubricant storage chamber. A driven gear plate is disposed above the pressure plate and slidably connected to the inner wall of the lubricant storage chamber. The driven gear plate and the driven gear disc mesh with each other. A connecting plate is slidably connected to the bottom of the driven gear plate. A return spring is installed inside the driven gear plate. The two ends of the return spring are fixedly connected to the connecting plate and the driven gear plate, respectively. The bottom of the connecting plate is fixedly connected to the pressure plate. When the drive slide rod moves down, it meshes with the driven gear, thereby driving the driven gear disk to rotate. The driven gear disk drives the driven gear plate to move down. Due to the presence of the return spring and the blocking block, the return spring can accumulate elastic potential energy until it reaches the critical point. The pressure plate moves down rapidly, squeezing the lubricant through the nozzle to achieve a quantitative spraying effect, which can greatly reduce resource waste.

[0017] Preferably, the inner wall of the lubricant storage chamber is fixedly connected with a number of small blocking blocks, which are evenly distributed on both sides of the pressure plate.

[0018] Preferably, a nozzle is fixedly connected to the outside of the lubricant storage chamber, and a pressure-triggered pump body is fixedly connected to the inside of the nozzle.

[0019] Preferably, the component housing has a slot on the side near the drive slide rod, and the small block is slidably connected in the slot.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] During operation, when the drive slide bar moves downward, it meshes with the driven gear, thereby driving the driven gear plate to rotate. The driven gear plate drives the driven gear plate to move downward. Due to the presence of the return spring and the blocking block, the return spring can accumulate elastic potential energy until it reaches the critical point. The pressure plate then moves downward rapidly, squeezing the lubricant through the nozzle to achieve a metered spray effect. This not only greatly reduces resource waste but also allows the lubrication operation to be completed without human control, reducing the workload of workers and lowering the risk of workers forgetting to lubricate due to carelessness. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the formal structure of the present invention;

[0023] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0024] Figure 3 This is a schematic diagram of the component housing structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the internal structure of the component housing of the present invention;

[0026] Figure 5 This is a schematic diagram of the internal side view of the component housing of the present invention;

[0027] Figure 6 This is a schematic diagram of the drive component structure of the present invention;

[0028] Figure 7 This is a schematic diagram of the driven gear structure of the present invention;

[0029] Figure 8 This is a schematic diagram of the internal structure of the first round rod of the present invention;

[0030] Figure 9 This is a schematic diagram of the lubricant storage compartment structure of the present invention;

[0031] Figure 10 This is a schematic diagram of the cross-sectional structure of the assisting circular plate of the present invention;

[0032] Figure 11 For the present invention Figure 9Schematic diagram of the structure at point A.

[0033] In the diagram: 1. Support column; 101. Bottom bracket; 102. Top bracket; 103. Track groove; 104. Drive slide bar; 1041. Small block; 105. External nozzle; 106. Injection pipe; 107. External pipe; 2. Component housing; 21. Slot; 3. Drive assembly; 31. Main drive rack; 32. Partition plate; 321. Partition block; 33. Restoration block; 34. First round rod; 35. Driven gear; 36. Trapezoidal block; 37. Assisting round plate; 371. Short tooth; 372. Fixed slider; 373. Push spring; 38. First spring; 4. Lubrication assembly; 41. Second round rod; 42. Active turntable; 43. Small gear plate; 431. Limiting round plate; 44. Transmission belt; 45. Driven gear plate; 46. Driven gear plate; 461. Connecting plate; 462. Return spring; 47. Pressure plate; 48. Barrier block; 5. Lubricating fluid storage tank; 51. Nozzle; 511. Pressure-triggered pump body; 6. Inner rod; 61. Opening and closing groove; 62. Fixing groove. Detailed Implementation

[0034] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] like Figure 1-11 As shown, a method for filling and reinforcing underground goaf areas in mines includes the following steps:

[0036] Step 1: Install the device: When working, install the entire device in the designated location;

[0037] Step 2: Adjusting the device: When starting work, turn on the motor. The device includes a bottom bracket 101 fixedly connected to the bottom of the support column 1, a top bracket 102 fixedly connected to the top of the support column 1, a track groove 103 opened on the side wall of the support column 1, a drive slide rod 104 slidably connected inside the track groove 103, an external nozzle 105 fixedly connected inside the drive slide rod 104, an external pipe 107 fixedly connected to the top of the external nozzle 105, and an injection pipe 106 fixedly connected to the bottom of the external nozzle 105. The motor can drive the drive slide rod 104 to slide in the track groove 103, so that the injection pipe 106 can extend into the place that needs to be filled when working, and can be retracted when not working.

[0038] Step 3: Work begins: The filler material is filled into the designated location through the device;

[0039] Step 4: Complete the work: After filling, retract the device.

[0040] Both ends of the drive slide bar 104 are fixedly connected to small blocks 1041 within the track slide groove 103. The track slide groove 103 contains several component housings 2. The side of the component housing 2 closest to the drive slide bar 104 has a slot 21. The small blocks 1041 are slidably connected within the slot 21. The component housings 2 contain drive components 3 for providing a drive source and lubrication components 4 for auxiliary lubrication.

[0041] The drive assembly 3 includes a main drive rack 31, which is fixedly connected to a small block 1041. A partition 32 and a restoring block 33 are fixedly connected to the side of the small block 1041 near the main drive rack 31. A partition block 321 is fixedly connected to the top of the partition 32. A first round rod 34 is fixedly connected inside the assembly housing 2. A driven gear 35 is rotatably connected to the outside of the first round rod 34. The driven gear 35 and the main drive rack 31 are meshed. A trapezoidal block 36 is slidably connected to the outside of the first round rod 34. The trapezoidal block 36 is located on the side of the driven gear 35 near the partition 32. Through the arrangement of the partition 32, the driven gear 35, the partition block 321, and the restoring block 33, when the drive slide bar 104 moves, it can only drive the driven gear 35 to rotate when it moves downward, and it cannot drive it when it moves upward. This effectively avoids the driven gear 35 rotating too frequently, thus avoiding waste of resources.

[0042] An assisting circular plate 37 is fixedly connected to the outer side of the first circular rod 34. An opening and closing groove 61 is provided on the outer side of the first circular rod 34. An inner rod 6 is fixedly connected to the inside of the first circular rod 34. The assisting circular plate 37 is located on the side of the driven gear 35 away from the partition plate 32. A first spring 38 is sleeved on the outer side of the first circular rod 34. The two ends of the first spring 38 are fixedly connected to the component housing 2 and the assisting circular plate 37, respectively. A short tooth 371 is fixedly connected to the inner wall of the assisting circular plate 37. The end of the short tooth 371 is slidably connected to a fixed... The inner walls of the slider 372 and the short tooth 371 are provided with push springs 373. The two ends of the push spring 373 are fixedly connected to the fixed slider 372 and the short tooth 371 respectively. The short tooth 371 is slidably connected in the opening and closing groove 61. The side wall of the inner rod 6 is provided with a fixing groove 62. The fixed slider 372 is engaged in the fixing groove 62 to achieve the overall fixing effect of the driven gear 35, so as to prevent the driven gear 35 from sliding on the first round rod 34, which would cause the driven gear 35 to rotate when moving upward.

[0043] The lubrication assembly 4 includes a second round rod 41, which is rotatably connected to the inner wall of the assembly housing 2. An active turntable 42 is fixedly connected to the outer side of the second round rod 41, and a small gear 43 is fixedly connected to the second round rod 41. A limiting round plate 431 is fixedly connected to the outer side of the small gear 43. The small gear 43 and the driven gear 35 mesh with each other, and the driven gear 35 can be driven without the need for an additional power source. This can greatly reduce the use of the engine and avoid excessive heat generated by the engine, which would cause the overall temperature of the device to rise.

[0044] A lubricant storage chamber 5 is fixedly connected inside the component housing 2. The lubrication component 4 includes a second round rod 41, with a transmission belt 44 sleeved on the outer side of the second round rod 41. The bottom of the transmission belt 44 extends into the lubricant storage chamber 5. A driven gear disc 45 is rotatably connected inside the lubricant storage chamber 5. One end of the transmission belt 44 extending into the lubricant storage chamber 5 is sleeved on the outer side of the driven gear disc 45. A pressure plate 47 is slidably connected inside the lubricant storage chamber 5. A driven gear plate 46 is provided above the pressure plate 47 and is slidably connected to the inner wall of the lubricant storage chamber 5. The driven gear plate 46 and the driven gear disc 45 mesh with each other. A connecting plate 461 is slidably connected to the bottom of the driven gear plate 46, and a return spring is provided inside the driven gear plate 46. Spring 462, the two ends of the return spring 462 are fixedly connected to the connecting plate 461 and the driven gear plate 46 respectively. The bottom of the connecting plate 461 is fixedly connected to the pressure plate 47. When the drive slide 104 moves down, it meshes with the driven gear 35, thereby driving the driven gear plate 45 to rotate. The driven gear plate 45 drives the driven gear plate 46 to move down. Due to the presence of the return spring 462 and the blocking block 48, the return spring 462 can accumulate elastic potential energy until it reaches the critical point. The pressure plate 47 moves down rapidly and squeezes the lubricant through the nozzle 51 to achieve the effect of quantitative spraying, which can greatly reduce the waste of resources. The nozzle 51 is fixedly connected to the outside of the lubricant storage tank 5. The pressure trigger pump body 511 is fixedly connected to the inside of the nozzle 51.

[0045] Several small blocking blocks 48 are fixedly connected to the inner wall of the lubricant storage chamber 5, and the small blocking blocks 48 are evenly distributed on both sides of the pressure plate 47.

[0046] Working principle: The motor drives the slide bar 104 to move up and down, so that the injection pipe 106 can extend into the filling area, thereby achieving the filling effect. When the slide bar 104 slides down in the track groove 103, it contacts the trapezoidal block 36 through the partition 32. The squeezing effect of the partition 32 pushes the driven gear 35 to move closer to the first spring 38. At this time, the driven gear 35 meshes with the main drive rack 31. The main drive rack 31 drives the driven gear 35 to rotate. Through the transmission of the driven gear 35, the drive turntable 42 drives the driven gear plate 45 to rotate through the transmission belt 44, so that the driven gear plate 46 can push the plate pressure plate 47 to move, thereby spraying the lubricant out through the nozzle 51.

[0047] When the driven toothed plate 46 moves down, the pressure plate 47 will not move immediately. Due to the presence of the blocking block 48, it will block the blocking block 48 from moving forward. However, as the driven toothed plate 46 moves down multiple times, the elastic potential energy accumulated by the return spring 462 will increase. Eventually, the pressure plate 47 will break free from the obstruction of the blocking block 48 and be blocked by the next set of blocking blocks 48. The lubricating fluid pressurized by the movement of the pressure plate 47 will be sprayed out through the nozzle 51 to achieve the lubrication effect on the track groove 103.

[0048] As the drive slide bar 104 moves downward, the spacer 321 will eventually contact the trapezoidal block 36. The spacer 321 will push the trapezoidal block 36 to move closer to the first spring 38 again, so that it disengages from the main drive rack 31. At this time, the fixed slider 372 will also be engaged in the fixed groove 62 to achieve the effect of fixing the driven gear 35.

[0049] When the drive slide 104 moves upward, the driven gear 35 disengages from the main drive rack 31 due to the influence of the spacer 321. However, as the drive slide 104 continues to move upward, the restoration block 33 contacts the driven gear 35, and the restoration block 33 pushes the driven gear 35 back to its original position to prepare for the next engagement with the spacer 321.

[0050] The above embodiments are only used to illustrate the technical methods of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical methods of the present invention without departing from the spirit and scope of the technical methods of the present invention.

Claims

1. A method for filling and reinforcing underground goaf areas in mines, characterized in that, Includes the following steps: Step 1: Install the device: When working, install the entire device in the designated location; Step 2: Adjustment device: When starting work, turn on the motor. The device includes a support column (1), a bottom bracket (101) is fixedly connected to the bottom of the support column (1), a top bracket (102) is fixedly connected to the top of the support column (1), a track groove (103) is opened on the side wall of the support column (1), a drive slide rod (104) is slidably connected inside the track groove (103), an external nozzle (105) is fixedly connected inside the drive slide rod (104), an external pipe (107) is fixedly connected to the top of the external nozzle (105), and an injection pipe (106) is fixedly connected to the bottom of the external nozzle (105). The motor can drive the drive slide rod (104) to slide in the track groove (103), so that the injection pipe (106) can extend into the place that needs to be filled when working, and can be retracted when not working. Step 3: Work begins: The filler material is filled into the designated location through the device; Step 4: Complete the work: After filling is complete, retract the device; The drive slide bar (104) is fixedly connected to small blocks (1041) at both ends in the track slide groove (103). The track slide groove (103) is provided with several component housings (2). The component housings (2) are respectively provided with drive components (3) for providing drive source and lubrication components (4) for auxiliary lubrication. The lubricating component (4) is fixedly connected to the interior of the component housing (2). The lubrication component (4) includes a second round rod (41). A transmission belt (44) is sleeved on the outer side of the second round rod (41). The bottom of the transmission belt (44) extends into the lubricating liquid storage chamber (5). A driven gear plate (45) is rotatably connected inside the lubricating liquid storage chamber (5). One end of the transmission belt (44) extending into the lubricating liquid storage chamber (5) is sleeved on the outer side of the driven gear plate (45). A pressure plate (47) is slidably connected inside the lubricating liquid storage chamber (5). A driven gear plate (46) is provided above the pressure plate (47). The driven gear plate (46) is slidably connected to the inner wall of the lubricating liquid storage chamber (5). The driven gear plate (46) and the driven gear plate (45) mesh with each other. 6) The bottom is slidably connected to a connecting plate (461). The driven toothed plate (46) is provided with a return spring (462). The two ends of the return spring (462) are fixedly connected to the connecting plate (461) and the driven toothed plate (46) respectively. The bottom of the connecting plate (461) is fixedly connected to the pressure plate (47). When the drive slide rod (104) moves down, it meshes with the driven gear (35), thereby driving the driven toothed plate (45) to rotate. The driven toothed plate (45) drives the driven toothed plate (46) to move down. Due to the presence of the return spring (462) and the blocking block (48), the return spring (462) can accumulate elastic potential energy until it reaches the critical point. The pressure plate (47) moves down rapidly and squeezes the lubricant through the nozzle (51) to achieve the effect of quantitative spraying, which can greatly reduce the waste of resources.

2. The method for filling and reinforcing underground goaf areas according to claim 1, characterized in that, The drive assembly (3) includes a main drive rack (31), which is fixedly connected to a small block (1041). A partition (32) and a recovery block (33) are fixedly connected to the side of the small block (1041) near the main drive rack (31). A partition block (321) is fixedly connected to the top of the partition (32). A first round rod (34) is fixedly connected inside the assembly housing (2). A driven gear (35) is rotatably connected to the outside of the first round rod (34). The driven gear (35) and the main drive rack... The first round rod (34) is slidably connected to a trapezoidal block (36) on its outer side. The trapezoidal block (36) is located on the side of the driven gear (35) near the partition (32). Through the arrangement of the partition (32), driven gear (35), partition (321) and restoration block (33), the drive slide rod (104) can only drive the driven gear (35) to rotate when it moves downward, and cannot drive it when it moves upward. This effectively avoids the driven gear (35) from rotating too frequently, thus causing a waste of resources.

3. The method for filling and reinforcing underground goaf areas according to claim 2, characterized in that, An assisting circular plate (37) is fixedly connected to the outer side of the first circular rod (34). An opening and closing groove (61) is provided on the outer side of the first circular rod (34). An inner rod (6) is fixedly connected to the inside of the first circular rod (34). The assisting circular plate (37) is located on the side of the driven gear (35) away from the partition plate (32). A first spring (38) is sleeved on the outer side of the first circular rod (34). The two ends of the first spring (38) are fixedly connected to the component housing (2) and the assisting circular plate (37) respectively. A short tooth (371) is fixedly connected to the inner wall of the assisting circular plate (37). The end of the short tooth (371) is slidably connected to... There is a fixed slider (372), and the inner wall of the short tooth (371) is provided with a push spring (373). The two ends of the push spring (373) are fixedly connected to the fixed slider (372) and the short tooth (371) respectively. The short tooth (371) is slidably connected in the opening and closing groove (61). The side wall of the inner rod (6) is provided with a fixed groove (62). The fixed slider (372) is engaged in the fixed groove (62) to achieve the overall fixing effect of the driven gear (35), so as to prevent the driven gear (35) from sliding on the first round rod (34) and causing the driven gear (35) to rotate when moving upward.

4. The method for filling and reinforcing underground goaf areas according to claim 2, characterized in that, The lubrication assembly (4) includes a second round rod (41), which is rotatably connected to the inner wall of the assembly housing (2). An active turntable (42) is fixedly connected to the outer side of the second round rod (41), and a small gear disc (43) is fixedly connected to the second round rod (41). A limiting round plate (431) is fixedly connected to the outer side of the small gear disc (43). The small gear disc (43) and the driven gear (35) mesh with each other, and the driven gear (35) can be driven without the need for an additional power source. This greatly reduces the use of the engine and avoids excessive heat generated by the engine, which would cause the overall temperature of the device to rise.

5. The method for filling and reinforcing underground goaf areas according to claim 1, characterized in that, The inner wall of the lubricant storage chamber (5) is fixedly connected with several small blocking blocks (48), which are evenly distributed on both sides of the pressure plate (47).

6. The method for filling and reinforcing underground goaf areas according to claim 5, characterized in that, A nozzle (51) is fixedly connected to the outside of the lubricant storage chamber (5), and a pressure-triggered pump body (511) is fixedly connected inside the nozzle (51).

7. The method for filling and reinforcing underground goaf areas according to claim 1, characterized in that, The component housing (2) has a slot (21) on the side near the drive slide (104), and the small block (1041) is slidably connected in the slot (21).

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