Large-gradient digging and anchoring all-in-one machine

Abstract

The utility model discloses a steep slope digging and anchoring all-in-one machine which comprises a digging and anchoring main machine and a power trolley used for providing power for the digging and anchoring main machine, and the digging and anchoring main machine comprises a main machine chassis and first supporting devices which are symmetrically arranged on the left side and the right side of the chassis and used for abutting against the side wall of a roadway to stabilize the main machine chassis. The power trolley comprises a trolley chassis, second supporting devices and a rotary oil cylinder, wherein the second supporting devices are symmetrically arranged on the left side and the right side of the trolley chassis and used for abutting against the side wall of a roadway to stabilize the trolley chassis, and the rotary oil cylinder is used for connecting the main machine chassis and the trolley chassis. According to the large-gradient digging and anchoring all-in-one machine disclosed by the utility model, the equipment can be prevented from retreating during construction in a large-gradient roadway; the position of equipment in a roadway can be adjusted, and position deviation correction and alignment of the equipment can be achieved; walking can be conducted in a walking-changing mode, escaping and climbing of a roadway with an ultra-large gradient can be achieved, the device can be suitable for being used in areas with complex geologic structures, and smooth construction is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining equipment, and particularly to a large-slope roadheader-anchoring machine. Background Art

[0002] The roadheader-anchoring machine is a device widely used in current coal mine roadways, including mechanisms such as a cutting device and an anchor rod device. It can realize functions such as cutting, loading and transporting, traveling, and anchor rod support, achieving parallel or cross operations of excavation and support, and can quickly excavate. It has been widely used in the full-section construction of coal mine roadways.

[0003] There are a large number of coal mines in the southern region of the Loess Plateau in China. However, the area has undulating hills, crisscrossed valleys, relatively developed water systems, complex terrain, and medium complexity of geological structures. The roadway excavation has the characteristic of large slopes. Traditional roadheader-anchoring machines are generally suitable for roadway construction with a relatively flat floor. When the roadway slope is greater than 12°, the roadheader-anchoring machine has the following obvious disadvantages:

[0004] 1) The greater the slope, the greater the component of gravity along the slope downward, and the roadheader-anchoring machine is prone to slipping and has difficulty climbing slopes.

[0005] 2) When the roadheader-anchoring machine cuts, the equipment is prone to retreat, resulting in abnormal construction. Summary of the Utility Model

[0006] The utility model provides a large-slope roadheader-anchoring machine to solve the technical problems that when the existing roadheader-anchoring machine is used in a roadway with a slope greater than 12°, it is prone to slipping, has difficulty climbing slopes, and the equipment is prone to retreat during cutting, resulting in abnormal construction.

[0007] According to one aspect of the utility model, a large-slope roadheader-anchoring machine is provided, including a roadheader-anchoring main machine and a power trolley for providing power to the roadheader-anchoring main machine. The roadheader-anchoring main machine includes a main machine chassis and first support devices symmetrically arranged on the left and right sides of the chassis for abutting against the side walls of the roadway to stabilize the main machine chassis. The power trolley includes a trolley chassis, second support devices symmetrically arranged on the left and right sides of the trolley chassis for abutting against the side walls of the roadway to stabilize the trolley chassis, and a slewing cylinder for connecting the main machine chassis and the trolley chassis.

[0008] Further, the first support device includes a leg connection seat for connecting the main machine chassis, a fixed sleeve arranged on the leg connection seat, a telescopic sleeve slidably connected with the fixed sleeve, a first telescopic cylinder for connecting the leg connection seat and the telescopic sleeve, and a first leg support plate connected with the telescopic sleeve for abutting against the side wall of the roadway.

[0009] The second supporting device has the same structure as the first supporting device, and the leg connecting seat of the second supporting device is connected to the chassis of the trolley.

[0010] Furthermore, the leg support plate is connected to the telescopic sleeve via a ball hinge.

[0011] Furthermore, travel sensors are arranged on the first supporting device and the second supporting device.

[0012] Furthermore, a third supporting device for abutting the bottom surface of the tunnel is arranged on one end of the trolley chassis close to the anchor drilling machine, and the third supporting device includes a base for connecting the trolley chassis, a second telescopic cylinder arranged on the base, and a second leg support plate driven by the second telescopic cylinder to abut the bottom surface of the tunnel.

[0013] Furthermore, a rear support device for abutting the bottom surface of the tunnel is arranged on the end of the trolley chassis facing away from the anchor drilling main machine, and the rear support device includes a rear welding platform arranged on the trolley chassis, welding legs hinged to the rear welding platform, and a third telescopic cylinder for driving the welding legs to abut the bottom surface of the tunnel, and both ends of the third telescopic cylinder are respectively hinged to the rear welding platform and the welding legs.

[0014] Furthermore, anti-slip structures are respectively arranged on the first leg support plate, the second leg support plate and the welded leg.

[0015] Furthermore, crawlers are arranged on the trolley chassis and the main machine chassis respectively, and the crawlers are connected end to end by a plurality of track plates, and the track plates are provided with gripping teeth, and the tooth width of the gripping teeth is 20 to 30 mm, and the protruding tooth height of the gripping teeth is 20 to 30 mm.

[0016] Furthermore, a top anchor bolter, a shield, an advance drill, a walking platform, a scraper conveyor, a cutting device, a loading device and an auxiliary anchor bolter are arranged on the main engine chassis.

[0017] Furthermore, the power trolley is provided with an electrical system, a hydraulic system, a hopper, a crusher, and a transfer belt conveyor.

[0018] The utility model has the following beneficial effects:

[0019] The large-slope anchoring and digging machine of the utility model is powered by a power trolley, and there is no need to arrange hydraulic and electrical systems on the chassis of the main machine, so the operator has a larger working space and is more conducive to repair and maintenance; when the equipment is cutting, the first supporting devices on both sides of the anchoring and digging main machine and the second supporting devices on both sides of the power trolley can abut against the side wall of the tunnel at the same time, so as to stabilize the machine body and prevent the equipment from retreating when working in a tunnel with a large slope, thereby ensuring normal construction; the position of the equipment in the tunnel can be adjusted by abutting against the side wall of the tunnel by the first supporting device on one side of the anchoring and digging main machine and the second supporting device on the same side of the power trolley, so as to realize the position correction and alignment of the equipment; when slipping occurs when climbing in a tunnel with a large slope, the second supporting device on the power trolley abuts against the tunnel The first supporting device of the anchoring machine is retracted and moves forward through the crawler tracks, and the slewing cylinder is extended to push the anchoring machine forward. After the slewing cylinder is extended to the limit position of the stroke, the first supporting device of the anchoring machine abuts the side wall of the tunnel, and the second supporting device on the power trolley is retracted, and the crawler tracks of the power trolley move forward. The slewing cylinder is retracted to pull the power trolley forward. After the slewing cylinder is completely retracted, the second supporting device on the power trolley abuts the side wall of the tunnel, and the first supporting device of the anchoring machine is retracted and moves forward through the crawler tracks, and the slewing cylinder is extended to push the anchoring machine forward. This reciprocating process can be used to change steps and walk, and can achieve escape from difficulties and climbing of tunnels with extremely large slopes. It can adapt to the use in areas with complex geological structures and ensure smooth construction.

[0020] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0022] Figure 1 It is a structural schematic diagram of the anchoring and digging main machine of the large-slope anchoring and digging integrated machine according to the preferred embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the first supporting device of the preferred embodiment of the utility model;

[0024] Figure 3 This is a schematic structural diagram of a power vehicle according to a preferred embodiment of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the rear support device of the preferred embodiment of the utility model;

[0026] Figure 5It is a schematic structural diagram of the third support device of the preferred embodiment of the present utility model;

[0027] Figure 6 It is a schematic structural diagram of the track shoe of the preferred embodiment of the present utility model.

[0028] Legend:

[0029] 1. Roadheader-anchoring machine; 10. Roof bolter; 11. Shield; 12. Advanced drill; 13. Walkway platform; 14. Scraper conveyor; 15. Cutting device; 16. Loading device; 17. Main machine chassis; 18. Side bolter; 19. First support device; 191. First leg support plate; 192. First pin shaft; 193. Fixed sleeve; 194. First telescopic oil cylinder; 195. Second pin shaft; 196. Leg connection seat; 197. Telescopic sleeve; 198. Ball hinge; 2. Power car; 21. Slewing oil cylinder; 22. Buffer telescopic sleeve; 23. Transfer belt conveyor; 24. Second support device; 25. Rear support device; 251. Rear welding platform; 252. Third telescopic oil cylinder; 253. Welding leg; 254. Third pin shaft; 26. Car chassis; 27. Third support device; 272. Clamp; 271. Second telescopic oil cylinder; 273. Second leg support plate; 28. Hopper; 29. Crawler; 291. Track shoe; 292. Ground engaging tooth. Specific embodiments

[0030] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, the present utility model can be implemented in many different ways defined and covered by the following.

[0031] Please refer to Figures 1 to 6 , the large-gradient roadheader-anchoring machine of this embodiment includes a roadheader-anchoring machine 1 and a power car 2 for providing power for the roadheader-anchoring machine 1. The roadheader-anchoring machine 1 includes a main machine chassis 17 and a first support device 19 symmetrically arranged on the left and right sides of the main machine chassis 17 for abutting against the side wall of the roadway to stabilize the main machine chassis 17. The power car 2 includes a car chassis 26, a second support device 24 symmetrically arranged on the left and right sides of the car chassis 26 for abutting against the side wall of the roadway to stabilize the car chassis 26, and a slewing oil cylinder 21 for connecting the main machine chassis 17 and the car chassis 26.

[0032] The full - face roadheader - bolter with large gradient in this embodiment is powered by the power car 2. There is no need to arrange the hydraulic system and electrical system on the main chassis 17, providing a larger working space for operators and being more conducive to maintenance. When the equipment is cutting, the first support devices 19 on both sides of the roadheader - bolter 1 and the second support devices 24 on both sides of the power car 2 can simultaneously abut against the side walls of the roadway, thus stabilizing the fuselage and preventing the equipment from retreating during construction in a roadway with a large gradient, ensuring the normal progress of construction. By the first support device 19 on one side of the roadheader - bolter 1 and the second support device 24 on the same side of the power car 2 abutting against the side walls of the roadway, the position of the equipment in the roadway can be adjusted, and position deviation correction and alignment of the equipment can be achieved. When slipping occurs during climbing in a large - gradient roadway, the second support device 24 on the power car 2 abuts against the side wall of the roadway, the first support device 19 of the roadheader - bolter 1 retracts and moves forward through the crawler, the slewing cylinder 21 extends to push the roadheader - bolter 1 forward. After the slewing cylinder 21 extends to the limit position of the stroke, the first support device 19 of the roadheader - bolter 1 abuts against the side wall of the roadway, the second support device 24 on the power car 2 retracts, the crawler of the power car 2 moves forward, the slewing cylinder 21 retracts to pull the power car 2 forward. After the slewing cylinder 21 is fully retracted, the second support device 24 on the power car 2 abuts against the side wall of the roadway, the first support device 19 of the roadheader - bolter 1 retracts and moves forward through the crawler, the slewing cylinder 21 extends to push the roadheader - bolter 1 forward, and so on. It can walk by changing steps, can get out of trouble and climb in a roadway with an ultra - large gradient, can be used in areas with complex geological structures, and ensure the smooth progress of construction. Optionally, a buffer telescopic sleeve 22 for connecting the slewing cylinder 21 is arranged on the car chassis 26. The buffer telescopic sleeve 22 includes an inner sleeve and an outer sleeve. The inner sleeve can slide axially relative to the outer sleeve, and the inner sleeve and the outer sleeve are connected by a damping structure, which can solve the problem of asynchronous walking between the slewing cylinder 21 and the power car 2 and between the slewing cylinder 21 and the roadheader - bolter 1, and avoid damage to the slewing cylinder 21.

[0033] Such as Figure 2As shown, in this embodiment, the first supporting device 19 includes a leg connecting seat 196 for connecting to the main chassis 17, a fixed sleeve 193 arranged on the leg connecting seat 196, a telescopic sleeve 197 slidably connected to the fixed sleeve 193, a first telescopic oil cylinder 194 for connecting the leg connecting seat 196 and the telescopic sleeve 197, and a first leg support plate 191 connected to the telescopic sleeve 197 for abutting against the side wall of the lane; one end of the first telescopic oil cylinder 194 is connected to the leg connecting seat 196 through a second pin 195, and the other end of the first telescopic oil cylinder 194 is connected to the leg connecting seat 196 through a second pin 195. One end is connected to the telescopic sleeve 197 through the first pin shaft 192, the first leg support plate 191 is connected to the end of the telescopic sleeve 197 away from the leg connecting seat 196, the first telescopic cylinder 194 can drive the telescopic sleeve 197 to output, so that the first leg support plate 191 abuts against the side wall of the tunnel, and the first supporting devices 19 on both sides of the main engine chassis 17 are extended, which can stabilize the main engine chassis 17 when the equipment is cutting and prevent the anchoring and digging main engine 1 from retreating; by controlling the first supporting device 19 on one side of the main engine chassis 17 to extend, the position of the anchoring and digging main engine 1 in the tunnel can be adjusted.

[0034] The second supporting device 24 has the same structure as the first supporting device 19. The leg connecting seat 196 of the second supporting device 24 is connected to the trolley chassis 26. The second supporting devices 24 on both sides of the trolley chassis 26 are extended, which can stabilize the trolley chassis 26 when the equipment is cutting and prevent the power trolley 2 from retreating; by controlling the second supporting device 24 on one side of the trolley chassis 26 to extend, the position of the power trolley 2 in the tunnel can be adjusted.

[0035] like Figure 2 As shown, in this embodiment, the first leg support plate 191 is connected to the telescopic sleeve 197 through a ball hinge 198, one end of the ball hinge 198 is connected to the first leg support plate 191, and the other end is connected to the first leg support plate 191. Even if the side wall of the tunnel is uneven, the first leg support plate 191 can fit the side wall, thereby increasing the contact area between the first leg support plate 191 and the side wall of the tunnel and avoiding damage to the side wall of the tunnel.

[0036] In this embodiment, travel sensors are arranged on the first supporting device 19 and the second supporting device 24. The travel sensors are used to control the telescopic travel of the first supporting device 19 and the second supporting device 24, so that the large-slope mining and anchoring machine can automatically correct deviation and align itself in the tunnel.

[0037] like Figure 3 and Figure 5As shown in the figure, in this embodiment, a third support device 27 for abutting against the bottom surface of the roadway is arranged at one end of the trolley chassis 26 close to the roadheader-anchoring machine 1. The third support device 27 includes a clamping seat 272 for connecting the trolley chassis 26, a second telescopic oil cylinder 271 arranged on the clamping seat 272, and a second leg support plate 273 driven by the second telescopic oil cylinder 271 to abut against the bottom surface of the roadway. During cutting, the second telescopic oil cylinder 271 extends, so that the second leg support plate 273 abuts against the ground, which can prevent the large-slope roadheader-anchoring machine from retreating, thus ensuring the construction support.

[0038] As Figure 3 and Figure 4 shown in the figure, in this embodiment, a rear support device 25 for abutting against the bottom surface of the roadway is arranged at one end of the trolley chassis 26 away from the roadheader-anchoring machine 1. The rear support device 25 includes a rear welding platform 251 arranged on the trolley chassis 26, a welding leg 253 hinged to the rear welding platform 251, and a third telescopic oil cylinder 252 for driving the welding leg 253 to abut against the bottom surface of the roadway. Two ends of the third telescopic oil cylinder 252 are respectively hinged to the rear welding platform 251 and the welding leg 253; two third pin shafts 254 are arranged on the rear welding platform 251, and one third pin shaft 254 is arranged at one end of the welding leg 253 away from the rear welding platform 251. The rear welding platform 251, the third telescopic oil cylinder 252 and the welding leg 253 are hinged to each other in pairs through three third pin shafts 254. When the third telescopic oil cylinder 252 extends, the welding leg 253 abuts against the ground; since the rear support device 25 is arranged at the tail end of the trolley chassis 26 and there is sufficient space, the size of the supporting surface of the welding leg 253 can be larger, which can provide good support; even when cutting in a roadway with a large slope, it can prevent the large-slope roadheader-anchoring machine from retreating, thus ensuring the construction support.

[0039] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown in the figure, in this embodiment, anti-slip structures are respectively arranged on the first leg support plate 191, the second leg support plate 273 and the welding leg 253. Optionally, the anti-slip structure is a nail-like structure, a bump structure or a continuously bent stripe structure.

[0040] As Figure 1 , Figure 3 and Figure 6As shown in the figure, in this embodiment, crawlers 29 are respectively arranged on the trolley chassis 26 and the mainframe chassis 17. The crawlers 29 are formed by connecting multiple crawler plates 291 end to end. Grip teeth 292 are provided on the crawler plates 291. The tooth width W of the grip teeth 292 is 20 - 30 mm, and the protruding tooth height of the grip teeth 292 is 20 - 30 mm. The tooth width W of the existing grip teeth 292 is 10 mm, and the protruding tooth height is 14 mm. By increasing the tooth width and tooth height of the grip teeth 292, the gripping ability of the crawlers 29 can be improved, thereby enhancing the traveling performance of the equipment.

[0041] As Figure 1 shown in the figure, in this embodiment, a roof bolting machine 10, a shield 11, an advanced drilling rig 12, a walking platform 13, a scraper conveyor 14, a cutting device 15, a loading device 16, and a side bolting machine 18 are arranged on the mainframe chassis 17.

[0042] As Figure 3 shown in the figure, in this embodiment, an electrical system, a hydraulic system, a hopper 28, a crusher, and a transfer belt conveyor 23 are arranged on the power trolley 2. The hydraulic system and the electrical system are integrated onto the power trolley 2 to provide power for the roadheader - bolter 1. The overall layout is more reasonable, the operating space for the operator is larger, and it is more conducive to maintenance. Optionally, a carrier - mounted bolting machine is also provided on the power trolley 2. When the roof and side conditions permit, bolts and cables can be supplemented to reduce the support amount of the roadheader - bolter 1 and improve the tunneling efficiency.

[0043] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and changes can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A large - gradient roadheader - bolter, characterized in that, it includes a roadheader - bolter main machine (1) and a power trolley (2) for providing power to the roadheader - bolter main machine (1). The roadheader - bolter main machine (1) includes a main machine chassis (17) and first support devices (19) symmetrically arranged on the left and right sides of the main machine chassis (17) for abutting against the side walls of the roadway to stabilize the main machine chassis (17). The power trolley (2) includes a trolley chassis (26), second support devices (24) symmetrically arranged on the left and right sides of the trolley chassis (26) for abutting against the side walls of the roadway to stabilize the trolley chassis (26), and a slewing cylinder (21) for connecting the main machine chassis (17) and the trolley chassis (26).

2. The large - gradient roadheader - bolter according to claim 1, characterized in that, the first support device (19) includes a leg connection seat (196) for connecting the main machine chassis (17), a fixed sleeve (193) arranged on the leg connection seat (196), a telescopic sleeve (197) slidably connected to the fixed sleeve (193), a first telescopic cylinder (194) for connecting the leg connection seat (196) and the telescopic sleeve (197), and a first leg support plate (191) connected to the telescopic sleeve (197) for abutting against the side wall of the roadway; the second support device (24) has the same structure as the first support device (19), and the leg connection seat (196) of the second support device (24) is connected to the trolley chassis (26).

3. The large - gradient roadheader - bolter according to claim 2, characterized in that, the first leg support plate (191) is connected to the telescopic sleeve (197) through a ball hinge (198).

4. The large - gradient roadheader - bolter according to claim 2 or 3, characterized in that, travel sensors are arranged on the first support device (19) and the second support device (24).

5. The large - gradient roadheader - bolter according to claim 4, characterized in that, a third support device (27) for abutting against the bottom surface of the roadway is arranged at one end of the trolley chassis (26) close to the roadheader - bolter main machine (1). The third support device (27) includes a clamping seat (272) for connecting the trolley chassis (26), a second telescopic cylinder (271) arranged on the clamping seat (272), and a second leg support plate (273) driven by the second telescopic cylinder (271) to abut against the bottom surface of the roadway.

6. The large - gradient roadheader - bolter according to claim 5, characterized in that, One end of the trolley chassis (26) facing away from the tunneling and bolting machine (1) is provided with a rear support device (25) for abutting against the bottom surface of the roadway. The rear support device (25) includes a rear welding platform (251) disposed on the trolley chassis (26), a welding leg (253) hinged to the rear welding platform (251), and a third telescopic oil cylinder (252) for driving the welding leg (253) to abut against the bottom surface of the roadway. Two ends of the third telescopic oil cylinder (252) are respectively hinged to the rear welding platform (251) and the welding leg (253).

7. The full-face tunneling and bolting machine with large gradient according to claim 6, wherein Anti-slip structures are respectively disposed on the first leg support plate (191), the second leg support plate (273), and the welding leg (253).

8. The full-face tunneling and bolting machine with large gradient according to claim 1, wherein Tracks (29) are respectively disposed on the trolley chassis (26) and the main machine chassis (17). The tracks (29) are formed by connecting a plurality of track plates (291) end to end. Gripping teeth (292) are provided on the track plates (291). The tooth width of the gripping teeth (292) is 20 - 30 mm, and the protruding tooth height of the gripping teeth (292) is 20 - 30 mm.

9. The full-face tunneling and bolting machine with large gradient according to claim 1, wherein A roof bolter (10), a shield (11), an advanced drill (12), a walkway platform (13), a scraper conveyor (14), a cutting device (15), a loading device (16), and a side bolter (18) are disposed on the main machine chassis (17).

10. The full-face tunneling and bolting machine with large gradient according to claim 1, wherein An electrical system, a hydraulic system, a hopper (28), a crusher, and a transfer belt conveyor (23) are disposed on the power trolley (2).

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