A roadheader with automatic floating coal cleaning mechanism

Abstract

The invention discloses a roadheader with an automatic floating coal cleaning mechanism, which relates to the technical field of coal mining equipment and comprises a roadheader main body, a collecting plate, a collecting wheel and track wheels installed on both sides of the bottom of the roadheader main body, the outer side of the track wheel is fixedly connected with a fixing block, one side of the fixing block is fixedly connected with a mounting box, the outer side of the rotating wheel of the track wheel is fixedly connected with a connecting shaft, the inner side of the mounting box close to the track wheel is rotatably connected with a main shaft, a collecting mechanism is arranged inside the mounting box, the collecting mechanism comprises a main bevel gear, and the outer side of the main shaft is fixedly connected with the main bevel gear; a protective mechanism is arranged on the inner side of the collecting baffle, the protective mechanism comprises a sliding plate and a transmission roller, which solves the problem that during the roadheader excavation construction, there is still a small amount of mineral materials that cannot be collected in some corners in the tunnel that are inconvenient to collect and process, and the roadheader is difficult to collect and the collection efficiency is low.

Description

Technical Field

[0001] The invention relates to the technical field of coal mining equipment, in particular to a tunneling machine with an automatic floating coal cleaning mechanism. Background Art

[0002] Existing mine tunnels are generally excavated by tunnel boring machines. The front end of the tunnel boring machine digs out the soil and digs the soil to the rear end of the tunnel boring machine, thereby completing the excavation of the coal tunnel.

[0003] For example, a coal mine boring machine with announcement number CN218150931U includes a machine body, an operating room arranged on the top of the machine body, and a pitch operating lever arranged on the front of the machine body, a driving shaft is arranged inside the pitch operating lever, a hydraulic cylinder is rotatably installed at the front end of the machine body, and the telescopic end of the hydraulic cylinder is rotatably installed on the pitch operating lever, a buffer mechanism is installed at the front end of the driving shaft, and the digging head is installed on the buffer mechanism, a suction fan is arranged on the top of the machine body, and a dust filtering mechanism connected to the dust suction mechanism and the suction fan is arranged on the top of the machine body. The device can effectively protect the digging head, increase the service life of the digging head, and effectively prevent dust from flying, thereby reducing the dust in the tunnel, enhancing the field of vision in the tunnel, and protecting the health of the staff. However, during the excavation construction of the boring machine, most of the ore will be transported to the rear through the conveyor belt of the boring machine. For some corners in the tunnel that are inconvenient to collect and process, there are still a small amount of ore that has not been collected. It is difficult to collect, the collection efficiency is not high, and there are certain limitations. Summary of the invention

[0004] The purpose of the present invention is to provide a roadheader with an automatic floating coal cleaning mechanism to solve the problem that during the roadheader's excavation construction, there are still a small amount of mineral materials that cannot be collected in some corners of the tunnel that are inconvenient to collect and process, which makes it difficult for the roadheader to collect and the collection efficiency is low.

[0005] In order to achieve the purpose of collecting ore in corners and improving the collection efficiency, the present invention provides the following technical solutions: a roadheader with an automatic floating coal cleaning mechanism, comprising a roadheader body, a collecting plate, a collecting wheel and track wheels installed on both sides of the bottom of the roadheader body, the outer side of the track wheel is fixedly connected to a fixing block, one side of the fixing block is fixedly connected to a mounting box, and the outer side of the rotating wheel of the track wheel is fixedly connected to a connecting shaft;

[0006] The inner side of the installation box close to the track wheel is rotatably connected with a main shaft, and the main shaft passes through the installation box and is fixedly connected to the connecting shaft through a flange;

[0007] A collecting mechanism is provided inside the installation box, and the collecting mechanism includes a main bevel gear, the main bevel gear is fixedly connected to the outside of the main shaft, a right side plate is fixedly connected to one side of the inside of the installation box, a screw rod is rotatably connected to the inside of the right side plate, a side of the screw rod close to the main shaft is fixedly connected to a slave bevel gear, the slave bevel gear is meshed with the main bevel gear, a left side plate is fixedly connected to the other side of the inside of the installation box, and an end of the screw rod away from the main bevel gear is rotatably connected to the left side plate;

[0008] The outer side of the screw rod is threadedly connected with a threaded sleeve, one side of the threaded sleeve is symmetrically provided with a transverse groove, the end of the transverse groove away from the main shaft is fixedly connected with a push rod, the side of the installation box away from the connecting shaft is fixedly connected with a connecting plate, the inner sides of the two connecting plates are installed with a collecting baffle, the middle part of the side of the connecting plate close to the collecting baffle is fixedly connected with an inclined block, and the push rod is slidably connected with a sliding rod inside;

[0009] The cam is rotatably connected to the bottom of the sliding bar, and the sliding bar is fixedly connected to the bottom of the side plate of the sliding bar close to the connecting plate, and the vertical rod is abutted against the inclined block, and one end of the sliding bar close to the collecting baffle is connected to the limiting block, and the limiting block is slidably connected to the collecting baffle, and one side of the inclined block is fixedly connected to the mounting bracket, and one end of the mounting bracket is fixedly connected to the connecting plate, and the collecting baffle is rotatably mounted inside the mounting bracket, and a return spring is fixedly connected to one side of the connecting plate, and an electric push rod is installed at the end of the collecting baffle away from the mounting bracket, and one end of the telescopic part of the electric push rod is fixedly connected to the magnetic suction block;

[0010] The protection mechanism is arranged on the inner side of the collecting baffle, and the protection mechanism comprises a sliding plate and a transmission roller.

[0011] Preferably, the left side plate is slidably connected to the horizontal groove, a circular groove is provided on the side of the installation box close to the collection baffle, the push rod is slidably connected to the circular groove, the connecting plate is located on the outside of the two installation boxes, a sliding groove is provided inside the push rod, the sliding rod is slidably connected to the sliding groove, the sliding groove is communicated with the bottom surface of the push rod, and the vertical rod is slidably connected to the sliding groove.

[0012] By adopting the above technical solution, a collecting mechanism is provided, and when the main body of the tunnel boring machine moves forward, the connecting shaft and the main shaft will be driven to rotate, so that the collecting baffles on both sides can be expanded to both sides, which is convenient for collecting floating coal when the main body of the tunnel boring machine moves forward, and cooperates with the collecting plates and collecting wheels to transport the floating coal to the rear of the main body of the tunnel boring machine. When the main body of the tunnel boring machine moves backward, the connecting shaft and the main shaft rotate in the opposite direction, so that the collecting baffle is reset, and the electric push rod is started. The electric push rod drives the magnetic blocks to fit together, so that the two magnetic blocks are tightly adsorbed, and then the floating coal can be blocked by the two collecting baffles and driven to the outside of the dead corner, thereby facilitating the collection of floating coal in the dead corner and improving the convenience of collecting floating coal.

[0013] Preferably, auxiliary grooves are symmetrically provided inside the push rod, the auxiliary grooves are located on both sides of the slide groove, the auxiliary grooves are connected to the slide groove, and the connecting block is slidably connected to the auxiliary grooves.

[0014] By adopting the above technical solution, the slide rod slides inside the slide groove, making it easy for the slide rod to push the collecting baffle to expand to both sides.

[0015] Preferably, an adjusting spring is installed inside the auxiliary groove, one end of the adjusting spring is fixedly connected to the connecting block, the other end of the adjusting spring is fixedly connected to the push rod, the reset spring is located above the inclined block, and one end of the reset spring away from the connecting plate is fixedly connected to the collecting baffle.

[0016] By adopting the above technical solution, the movement of the sliding rod will drive the collecting baffle to slide in the limit block, so that the collecting baffle rotates around the rotating shaft, and the collecting baffles on both sides will expand to both sides. The expansion of the collecting baffle will stretch the reset spring, which is convenient for collecting floating coal when the main body of the tunnel boring machine moves forward.

[0017] Preferably, a step groove is provided on one side of the collecting baffle plate close to the pushing rod, the limit block is located inside the step groove, the limit block is rotatably connected to the sliding rod, and the limit block is slidably connected to the step groove.

[0018] By adopting the above technical solution, the limit block plays a limiting role, which is convenient for cooperating with the rotating shaft, so that the collecting baffle can be smoothly expanded or closed.

[0019] Preferably, the mounting frame is U-shaped, and a rotating shaft is rotatably connected to a side of the mounting frame away from the connecting plate, and the collecting baffle is fixedly connected to the rotating shaft.

[0020] By adopting the above technical solution, the rotating shaft is used to assist the smooth rotation of the collecting baffle.

[0021] Preferably, a mounting groove is opened on the inner side of the collecting baffle, the sliding plate is located inside the mounting groove, the sliding plate is slidably connected to the mounting groove, the transmission roller is installed on the inner side of the sliding plate, an auxiliary spring is fixedly connected to the inner side of the mounting groove, and the end of the auxiliary spring away from the mounting groove is fixedly connected to the sliding plate.

[0022] By adopting the above technical solution, the driving roller is squeezed by the floating coal to rotate, thereby guiding the floating coal, thereby facilitating the collection of the floating coal. At the same time, when the floating coal squeezes the driving roller, it will drive the sliding plate to slide in the installation groove, and the sliding plate will compress the auxiliary spring. The elastic force of multiple auxiliary springs reacts on the sliding plate and the driving roller, reducing the collision damage of the floating coal to the collection baffle.

[0023] Preferably, the top and bottom ends of the transmission rollers are both rotatably connected to the sliding plate, the transmission rollers are evenly arranged, there are no less than four transmission rollers, and a bristle brush is fixedly connected to the bottom of the collecting baffle.

[0024] By adopting the above technical solution, a plurality of transmission rollers are convenient for guiding the floating coal and for cooperating with the movement of the sliding plate to play a buffering and protective role.

[0025] Compared with the prior art, the present invention has the following beneficial effects: a collecting mechanism is provided, and when the main body of the tunnel boring machine moves forward, the connecting shaft and the main shaft are driven to rotate, so that the collecting baffles on both sides can be expanded to both sides, which is convenient for collecting floating coal when the main body of the tunnel boring machine moves forward, and the collecting plates and the collecting wheels are cooperated to transport the floating coal to the rear of the main body of the tunnel boring machine. When the main body of the tunnel boring machine moves backward, the connecting shaft and the main shaft rotate in the opposite direction, so that the collecting baffle is reset, and the electric push rod is started. The electric push rod drives the magnetic blocks to fit together, so that the two magnetic blocks are tightly adsorbed, and then the floating coal can be blocked by the two collecting baffles and driven to the outside of the dead corner, so that the floating coal collection in the dead corner is convenient, and the convenience of collecting floating coal is improved;

[0026] 1. A collecting mechanism is provided. When the main body of the tunnel boring machine moves forward, the connecting shaft and the main shaft will be driven to rotate. The main shaft drives the main bevel gear to rotate, so that the collecting baffles on both sides can be expanded to both sides. When the collecting baffles are expanded, the reset spring will be stretched, which is convenient for collecting floating coal when the main body of the tunnel boring machine moves forward, and the floating coal will be transported to the rear of the main body of the tunnel boring machine in cooperation with the collecting plates and collecting wheels. For the corner position of the tunnel, the collecting baffles are first expanded, and then the main body of the tunnel boring machine is kept moving backward, so that the connecting shaft and the main shaft rotate in the opposite direction. At this time, the threaded sleeve drives the push rod to reset, and the spring and reset spring are adjusted. The elastic force of the positioning spring is matched to reset the collection baffle until the two magnetic blocks are close to each other, and the electric push rod is started. The electric push rod drives the magnetic blocks to fit together, so that the two magnetic blocks are tightly adsorbed, and then the floating coal can be blocked by the two collection baffles and driven to the outside of the dead corner, so as to facilitate the collection of floating coal in the dead corner, improve the convenience of floating coal collection, and solve the problem that during the excavation construction of the roadheader, there are still a small amount of ore that cannot be collected in some corners in the tunnel that are inconvenient to collect and process, which makes it difficult for the roadheader to collect and the collection efficiency is low;

[0027] 2. A protective mechanism is provided. When the collecting baffle is unfolded, the main body of the tunnel boring machine moves forward. At this time, the floating coal is collected on the inner side of the two collecting baffles and is pushed onto the collecting plate as the main body of the tunnel boring machine moves forward. The collecting wheel guides the conveyor belt for collection. At this time, the floating coal will squeeze the driving roller on the inner side of the collecting baffle. The driving roller rotates due to the squeezing of the floating coal, thereby guiding the floating coal and facilitating the collection of the floating coal. At the same time, when the floating coal squeezes the driving roller, it will drive the sliding plate to slide in the mounting groove, and the sliding plate will compress the auxiliary spring. The elastic force of multiple auxiliary springs reacts on the sliding plate and the driving roller, playing a role of buffering protection and reducing the collision damage of the floating coal to the collecting baffle. A hard brush is provided at the bottom of the collecting baffle to reduce the direct friction between the collecting baffle and the ground, thereby extending the service life of the collecting baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the collecting mechanism of the present invention;

[0029] Figure 2 This is a schematic diagram of the top view of the installation box of the present invention;

[0030] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation box of the present invention;

[0031] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0032] Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in the middle;

[0033] Figure 6 This is a schematic cross-sectional view of the push rod of the present invention;

[0034] Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle;

[0035] Figure 8 For the present invention Figure 6 The enlarged structural diagram at D in the middle;

[0036] Fig. 9 This is a schematic diagram of the cross-sectional structure of the collecting baffle of the present invention;

[0037] Fig.10 This is a schematic diagram of the expanded structure of the collecting baffle of the present invention;

[0038] Fig.11 It is a schematic diagram of the overall structure of the present invention;

[0039] Fig.12 It is a schematic diagram of the vertical rod installation structure of the present invention.

[0040] In the figure: 1. main body of the tunnel boring machine; 2. track wheel; 3. fixing block; 4. mounting box; 5. connecting shaft; 6. main shaft; 7. main bevel gear; 8. right side plate; 9. screw rod; 10. slave bevel gear; 11. threaded sleeve; 12. left side plate; 13. transverse groove; 14. circular groove; 15. push rod; 16. connecting plate; 17. oblique block; 18. slide groove; 19. slide rod; 20. auxiliary groove; 21. connecting block; 22. adjusting spring; 23. vertical rod; 24. collecting baffle; 25. step groove; 26. limit block; 27. mounting frame; 28. rotating shaft; 29. ​​reset spring; 30. electric push rod; 31. magnetic block; 32. mounting groove; 33. sliding plate; 34. auxiliary spring; 35. transmission roller; 36. collecting plate; 37. collecting wheel. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 12 The present invention provides a technical solution: a roadheader with an automatic floating coal cleaning mechanism, comprising a roadheader body 1, a collecting plate 36, a collecting wheel 37 and track wheels 2 installed on both sides of the bottom of the roadheader body 1, a fixing block 3 is fixedly connected to the outer side of the track wheel 2, a mounting box 4 is fixedly connected to one side of the fixing block 3, and a connecting shaft 5 is fixedly connected to the outer side of the rotating wheel of the track wheel 2;

[0043] The inner side of the installation box 4 close to the track wheel 2 is rotatably connected to the main shaft 6, and the main shaft 6 passes through the installation box 4 and is fixedly connected to the connecting shaft 5 through a flange;

[0044] A collecting mechanism is provided inside the installation box 4, and the collecting mechanism includes a main bevel gear 7, the main bevel gear 7 is fixedly connected to the outside of the main shaft 6, a right side plate 8 is fixedly connected to one side of the inside of the installation box 4, a screw rod 9 is rotatably connected to the inside of the right side plate 8, a side of the screw rod 9 close to the main shaft 6 is fixedly connected to a slave bevel gear 10, the slave bevel gear 10 is meshed and connected with the main bevel gear 7, a left side plate 12 is fixedly connected to the other side of the inside of the installation box 4, and an end of the screw rod 9 away from the main bevel gear 7 is rotatably connected to the left side plate 12;

[0045] The left side plate 12 is slidably connected to the horizontal groove 13, a circular groove 14 is provided on the side of the installation box 4 close to the collecting baffle 24, the push rod 15 is slidably connected to the circular groove 14, the connecting plate 16 is located on the outside of the two installation boxes 4, a slide groove 18 is provided inside the push rod 15, the slide rod 19 is slidably connected to the slide groove 18, the slide groove 18 is connected to the bottom surface of the push rod 15, and the vertical rod 23 is slidably connected to the slide groove 18.

[0046] The outer side of the screw rod 9 is threadedly connected to a threaded sleeve 11, and a transverse groove 13 is symmetrically provided on one side of the threaded sleeve 11. A push rod 15 is fixedly connected to the end of the transverse groove 13 away from the main shaft 6. A connecting plate 16 is fixedly connected to the side of the mounting box 4 away from the connecting shaft 5. Collection baffles 24 are installed on the inner sides of the two connecting plates 16. An inclined block 17 is fixedly connected to the middle part of one side of the connecting plate 16 close to the collection baffle 24, and a slide rod 19 is slidably connected to the inside of the push rod 15.

[0047] Auxiliary grooves 20 are symmetrically formed inside the push rod 15 . The auxiliary grooves 20 are located on both sides of the slide groove 18 . The auxiliary grooves 20 are connected to the slide groove 18 . The connecting block 21 is slidably connected to the auxiliary grooves 20 .

[0048] Connecting blocks 21 are symmetrically fixed on both sides of the slide bar 19, a vertical rod 23 is fixedly connected to the lower part of one side of the slide bar 19 close to the connecting plate 16, the vertical rod 23 abuts against the inclined block 17, one end of the slide bar 19 close to the collecting baffle 24 is connected to a limiting block 26, the limiting block 26 is slidably connected to the collecting baffle 24, one side of the inclined block 17 is fixedly connected to a mounting frame 27, one end of the mounting frame 27 is fixedly connected to the connecting plate 16, the collecting baffle 24 is rotatably mounted inside the mounting frame 27, a return spring 29 is fixedly connected to one side of the connecting plate 16, an electric push rod 30 is installed on the end of the collecting baffle 24 away from the mounting frame 27, and one end of the telescopic part of the electric push rod 30 is fixedly connected to a magnetic suction block 31.

[0049] An adjusting spring 22 is installed inside the auxiliary groove 20, one end of the adjusting spring 22 is fixedly connected to the connecting block 21, and the other end of the adjusting spring 22 is fixedly connected to the push rod 15. The reset spring 29 is located above the inclined block 17, and the end of the reset spring 29 away from the connecting plate 16 is fixedly connected to the collecting baffle 24.

[0050] A step groove 25 is formed on one side of the collecting baffle 24 close to the pushing rod 15 . A limit block 26 is located inside the step groove 25 . The limit block 26 is rotatably connected to the sliding rod 19 . The limit block 26 is slidably connected to the step groove 25 .

[0051] The mounting frame 27 is U-shaped. A side of the mounting frame 27 away from the connecting plate 16 is rotatably connected to a rotating shaft 28 , and the collecting baffle 24 is fixedly connected to the rotating shaft 28 .

[0052] Embodiment 1: Figure 1-Figure 9 and Fig.11 As shown, a collecting mechanism is provided. When in use, the connecting shaft 5 and the main shaft 6 are first fixed by the flange, and the connecting shaft 5 is fixed to the rotating wheel of the crawler wheel 2, so that when the tunnel boring machine body 1 moves forward, it will drive the connecting shaft 5 and the main shaft 6 to rotate, and the main shaft 6 drives the main bevel gear 7 to rotate. The main bevel gear 7 drives the screw rod 9 to rotate through the bevel gear 10. The rotation of the screw rod 9 causes the threaded sleeve 11 thereon to move outward, and the left side plate 12 limits the threaded sleeve 11, so that the threaded sleeve 11 drives the push rod 15 to slide out of the circular groove 14, and the push rod 15 drives the slide rod 19 to move.

[0053] The slide bar 19 drives the vertical bar 23 to squeeze the oblique block 17, and the vertical bar 23 drives the slide bar 19 to move in the direction of the collecting baffle 24. The slide bar 19 also drives the connecting block 21 to move. The connecting block 21 compresses the adjusting spring 22. The slide bar 19 also drives the collecting baffle 24 to slide in the limit block 26, so that the collecting baffle 24 rotates around the rotating shaft 28. The collecting baffles 24 on both sides will expand to both sides. The expansion of the collecting baffle 24 will stretch the reset spring 29, which is convenient for collecting floating coal when the tunnel boring machine body 1 moves forward, and cooperates with the collecting plate 36 and the collecting wheel 37 to transport the floating coal to the rear of the tunnel boring machine body 1.

[0054] When collecting in the corner of the tunnel, the collecting baffle 24 is first deployed, and then the main body 1 of the tunnel boring machine is kept moving backward, so that the connecting shaft 5 and the main shaft 6 rotate in opposite directions. At this time, the threaded sleeve 11 drives the push rod 15 to reset, and the elastic force of the adjusting spring 22 and the reset spring 29 cooperate to reset the collecting baffle 24. Until the two magnetic blocks 31 are close to each other, the electric push rod 30 is started, and the electric push rod 30 drives the magnetic blocks 31 to fit together, so that the two magnetic blocks 31 are tightly adsorbed, and then the floating coal can be blocked by the two collecting baffles 24 and driven to the outside of the dead corner, thereby facilitating the collection of floating coal in the dead corner, improving the convenience of floating coal collection, and solving the problem that during the tunneling construction of the tunnel boring machine, there are still a small amount of mineral materials that have not been collected in some corners in the tunnel that are inconvenient to collect and process, and the tunnel boring machine is difficult to collect and the collection efficiency is low.

[0055] The protection mechanism is arranged on the inner side of the collecting baffle 24, and the protection mechanism includes a sliding plate 33 and a transmission roller 35. A mounting groove 32 is opened on the inner side of the collecting baffle 24, and the sliding plate 33 is located inside the mounting groove 32. The sliding plate 33 is slidably connected to the mounting groove 32, and the transmission roller 35 is installed on the inner side of the sliding plate 33. An auxiliary spring 34 is fixedly connected to the inner side of the mounting groove 32, and the end of the auxiliary spring 34 away from the mounting groove 32 is fixedly connected to the sliding plate 33.

[0056] The top and bottom ends of the transmission roller 35 are both rotatably connected to the sliding plate 33 . The transmission rollers 35 are evenly arranged, and there are no less than four transmission rollers 35 . A bristle brush is fixedly connected to the bottom of the collecting baffle 24 .

[0057] Embodiment 2: Figure 9-12 As shown, a protection mechanism is provided. When the collecting baffle 24 is unfolded, the tunneling machine body 1 moves forward. At this time, the floating coal is collected on the inner side of the two collecting baffles 24 and is pushed onto the collecting plate 36 as the tunneling machine body 1 moves forward, and is introduced into the conveyor belt for collection by the collecting wheel 37. At this time, the floating coal will squeeze the driving roller 35 on the inner side of the collecting baffle 24. The driving roller 35 is squeezed by the floating coal and rotates, thereby guiding the floating coal, thereby facilitating the collection of the floating coal. At the same time, when the floating coal squeezes the driving roller 35, it will drive the sliding plate 33 to slide in the mounting groove 32, and the sliding plate 33 will compress the auxiliary spring 34. The elastic force of multiple auxiliary springs 34 reacts on the sliding plate 33 and the driving roller 35, playing a role of buffering protection, reducing the collision damage of the floating coal to the collecting baffle 24, and a hard brush is provided at the bottom of the collecting baffle 24, which reduces the direct friction between the collecting baffle 24 and the ground, thereby extending the service life of the collecting baffle 24.

[0058] Working principle: When using the device, first, Figure 1-Figure 12 As shown, when in use, the connecting shaft 5 and the main shaft 6 are first fixed by the flange, and the connecting shaft 5 is fixed to the rotating wheel of the crawler wheel 2, so that when the tunnel boring machine body 1 moves forward, it will drive the connecting shaft 5 and the main shaft 6 to rotate, and the main shaft 6 drives the main bevel gear 7 to rotate, and the main bevel gear 7 drives the screw rod 9 to rotate through the bevel gear 10. The rotation of the screw rod 9 causes the threaded sleeve 11 thereon to move outward, and the left side plate 12 limits the threaded sleeve 11, so that the threaded sleeve 11 drives the push rod 15 to slide out of the circular groove 14, and the push rod 15 drives the slide rod 19 to move, and the slide rod 19 drives the vertical rod 23 to squeeze the inclined block 17.

[0059] The vertical rod 23 drives the sliding rod 19 to move in the direction of the collecting baffle 24, and the sliding rod 19 drives the connecting block 21 to move at the same time. The connecting block 21 compresses the adjusting spring 22, and the sliding rod 19 drives the collecting baffle 24 to slide in the limiting block 26 at the same time, so that the collecting baffle 24 rotates around the rotating shaft 28, and the collecting baffles 24 on both sides will expand to both sides. The expansion of the collecting baffle 24 will stretch the reset spring 29, which is convenient for collecting floating coal when the tunnel boring machine body 1 moves forward, and cooperates with the collecting plate 36 and the collecting wheel 37 to transport the floating coal to the rear of the tunnel boring machine body 1.

[0060] When collecting floating coal, the floating coal will squeeze the driving roller 35, causing the sliding plate 33 to slide in the mounting groove 32, and the sliding plate 33 will compress the auxiliary spring 34. The elastic force of the plurality of auxiliary springs 34 reacts on the sliding plate 33 and the driving roller 35, playing a role of buffering protection, reducing the collision damage of the floating coal to the collecting baffle 24. A hard brush is provided at the bottom of the collecting baffle 24, reducing the direct friction between the collecting baffle 24 and the ground, thereby extending the service life of the collecting baffle 24.

[0061] For the corner position of the tunnel, the collecting baffle 24 is first deployed, and then the tunnel boring machine body 1 is kept moving backward, so that the connecting shaft 5 and the main shaft 6 rotate in opposite directions. At this time, the threaded sleeve 11 drives the push rod 15 to reset, and the elastic force of the adjustment spring 22 and the reset spring 29 cooperate to reset the collecting baffle 24. Until the two magnetic blocks 31 are close to each other, the electric push rod 30 is started, and the electric push rod 30 drives the magnetic blocks 31 to fit together, so that the two magnetic blocks 31 are tightly adsorbed, and then the floating coal can be blocked by the two collecting baffles 24 and driven to the outside of the dead corner, thereby facilitating the collection of floating coal in the dead corner and improving the convenience of floating coal collection.

[0062] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0063] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A roadheader with an automatic floating coal cleaning mechanism, comprising a roadheader body (1), a collecting plate (36), a collecting wheel (37), and track wheels (2) mounted on both sides of the bottom of the roadheader body (1), the outer side of the track wheel (2) being fixedly connected to a fixing block (3), one side of the fixing block (3) being fixedly connected to a mounting box (4), and the outer side of the rotating wheel of the track wheel (2) being fixedly connected to a connecting shaft (5); Features: A main shaft (6) is rotatably connected to the inner side of the installation box (4) close to the track wheel (2); the main shaft (6) passes through the installation box (4) and is fixedly connected to the connecting shaft (5) via a flange; A collecting mechanism is provided inside the installation box (4), the collecting mechanism comprising a main bevel gear (7), the main bevel gear (7) is fixedly connected to the outside of the main shaft (6), a right side plate (8) is fixedly connected to one side of the inside of the installation box (4), a screw rod (9) is rotatably connected to the inside of the right side plate (8), a side of the screw rod (9) close to the main shaft (6) is fixedly connected to a slave bevel gear (10), the slave bevel gear (10) is meshingly connected to the main bevel gear (7), a left side plate (12) is fixedly connected to the other side of the inside of the installation box (4), and an end of the screw rod (9) away from the main bevel gear (7) is rotatably connected to the left side plate (12); The outer side of the screw rod (9) is threadedly connected to a threaded sleeve (11), one side of the threaded sleeve (11) is symmetrically provided with a transverse groove (13), one end of the transverse groove (13) away from the main shaft (6) is fixedly connected to a push rod (15), the side of the installation box (4) away from the connecting shaft (5) is fixedly connected to a connecting plate (16), the inner sides of the two connecting plates (16) are installed with a collecting baffle (24), the middle part of the side of the connecting plate (16) close to the collecting baffle (24) is fixedly connected to an inclined block (17), and the inside of the pushing rod (15) is slidably connected to a sliding rod (19); Connecting blocks (21) are symmetrically fixed on both sides of the slide bar (19); a vertical rod (23) is fixedly connected to the lower part of one side of the slide bar (19) close to the connecting plate (16); the vertical rod (23) abuts against the inclined block (17); one end of the slide bar (19) close to the collecting baffle (24) is connected to a limiting block (26); the limiting block (26) is slidably connected to the collecting baffle (24); one side of the inclined block (17) is fixedly connected to a mounting frame (27); one end of the mounting frame (27) is fixedly connected to the connecting plate (16); the collecting baffle (24) is rotatably mounted inside the mounting frame (27); one side of the connecting plate (16) is fixedly connected to a return spring (29); an electric push rod (30) is installed on one end of the collecting baffle (24) away from the mounting frame (27); one end of the telescopic portion of the electric push rod (30) is fixedly connected to a magnetic suction block (31); A protection mechanism is arranged on the inner side of the collecting baffle (24), and comprises a sliding plate (33) and a driving roller (35).

2. A roadheader with an automatic floating coal cleaning mechanism according to claim 1, characterized in that: The left side plate (12) is slidably connected to the horizontal groove (13); a circular groove (14) is provided on a side of the installation box (4) close to the collecting baffle (24); the push rod (15) is slidably connected to the circular groove (14); the connecting plate (16) is located outside the two installation boxes (4); a slide groove (18) is provided inside the push rod (15); the slide rod (19) is slidably connected to the slide groove (18); the slide groove (18) is communicated with the bottom surface of the push rod (15); and the vertical rod (23) is slidably connected to the slide groove (18).

3. A roadheader with an automatic floating coal cleaning mechanism according to claim 2, characterized in that: Auxiliary grooves (20) are symmetrically formed inside the push rod (15), the auxiliary grooves (20) are located on both sides of the slide groove (18), the auxiliary grooves (20) are connected to the slide groove (18), and the connecting block (21) is slidably connected to the auxiliary grooves (20).

4. A roadheader with an automatic floating coal cleaning mechanism according to claim 3, characterized in that: An adjusting spring (22) is installed inside the auxiliary groove (20), one end of the adjusting spring (22) is fixedly connected to the connecting block (21), and the other end of the adjusting spring (22) is fixedly connected to the pushing rod (15). The return spring (29) is located above the inclined block (17), and one end of the return spring (29) away from the connecting plate (16) is fixedly connected to the collecting baffle (24).

5. The roadheader with automatic floating coal cleaning mechanism according to claim 1, characterized in that: A step groove (25) is formed on one side of the collecting baffle (24) close to the pushing rod (15), the limit block (26) is located inside the step groove (25), the limit block (26) is rotatably connected to the sliding rod (19), and the limit block (26) is slidably connected to the step groove (25).

6. The roadheader with automatic floating coal cleaning mechanism according to claim 1, characterized in that: The mounting frame (27) is U-shaped, and a rotating shaft (28) is rotatably connected to a side of the mounting frame (27) away from the connecting plate (16), and the collecting baffle (24) is fixedly connected to the rotating shaft (28).

7. The roadheader with automatic floating coal cleaning mechanism according to claim 1, characterized in that: A mounting groove (32) is provided on the inner side of the collecting baffle (24), the sliding plate (33) is located inside the mounting groove (32), the sliding plate (33) is slidably connected to the mounting groove (32), the driving roller (35) is mounted on the inner side of the sliding plate (33), an auxiliary spring (34) is fixedly connected to the inner side of the mounting groove (32), and one end of the auxiliary spring (34) away from the mounting groove (32) is fixedly connected to the sliding plate (33).

8. The roadheader with automatic floating coal cleaning mechanism according to claim 7, characterized in that: The top and bottom ends of the transmission roller (35) are both rotatably connected to the sliding plate (33), the transmission rollers (35) are evenly arranged, and there are no less than four transmission rollers (35). A bristle brush is fixedly connected to the bottom of the collecting baffle (24).

Images