A slag removal device for full-face hard rock tunnel boring machine

Abstract

The present invention discloses a slag cleaning device for a full-face hard rock tunnel boring machine, comprising a slag cleaning body, wherein a motor, a reducer, a motor connecting seat and a clamping seat are symmetrically arranged on both sides of the slag cleaning body, the motor is connected to the reducer by bolts, the reducer is connected to the clamping seat by the motor connecting seat, the clamping seat is slidably mounted on the slag cleaning body, a driving wheel device is arranged on the inner side of the slag cleaning body, and the accumulated slag in the tunnel can be cleaned axially and radially by mechanical automation means, thereby improving the operation efficiency of the machine; the mechanical structure and the hydraulic control cooperate to tension the sprocket, thereby ensuring the efficiency while reducing the production cost of the equipment; the slag cleaning bucket movement mechanism rotates inside the slag cleaning body, the slag cleaning device has a compact structure, thereby ensuring the safety and reliability of the mechanism during operation; the application range is wide, and the movement trajectory of the roller chain can be adjusted to be applied to the slag cleaning operations of full-face hard rock tunnel boring machines of multiple diameters and types.

Description

Technical Field

[0001] The invention belongs to the technical field of slag cleaning devices for full-face hard rock tunnel boring machines, and in particular relates to a slag cleaning device for full-face hard rock tunnel boring machines. Background Art

[0002] The full-face hard rock tunnel boring machine is a large-scale modern mechanical equipment used in tunnel construction. In the actual construction process of the full-face hard rock tunnel boring machine, there is a phenomenon of slag accumulation in the lower part of the tunnel. If it is not cleaned in time, it will affect the advancement of the rear trailer, thereby affecting the operating efficiency of the whole machine. At present, there are several conventional cleaning methods for slag in the tunnel: one is manual operation, but there are problems such as low efficiency, high labor cost, and operation safety; the second is to use a hydraulic mechanical arm to clean the accumulated slag. This method can realize automatic control and reduce labor costs, but it increases the equipment production cost and the subsequent equipment maintenance cost. In addition, the mechanical arm has high requirements for the installation position and space, and the structure is not compact, and it cannot make full use of the limited space. Therefore, the development of an efficient, low-cost, compact, safe and reliable slag cleaning device for full-face hard rock tunnel boring machines is a new issue that needs to be solved urgently. Summary of the invention

[0003] The object of the present invention is to provide a slag cleaning device for a full-face hard rock tunnel boring machine to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a slag cleaning device for a full-face hard rock tunnel boring machine, comprising a motor, a reducer, a motor connecting seat, a tightening seat, a slag cleaning body, a driving wheel device, a tensioning cylinder, a tensioning fixing seat, a driven wheel device, an adjustable cover plate for the driven wheel, a fixed cover plate for the driven wheel, a slag cleaning lower petal, a threaded transmission rod, a lower petal driven wheel fixing plate, a special-shaped roller chain, a slag cleaning bucket and a detachable bucket cover plate, the motor, the reducer, the motor connecting seat and the tightening seat are symmetrically arranged on both sides of the slag cleaning body, the motor is connected to the reducer by bolts, the reducer is connected to the tightening seat by the motor connecting seat, the tightening seat is slidably installed on the slag cleaning body, the driving wheel device is arranged on the inner side of the slag cleaning body, and the driving wheel device is rotatably connected to the motor connecting seats on both sides by bolts, A tensioning cylinder is horizontally arranged on the outer side of the slag cleaning body, and the cylinder body of the tensioning cylinder is fixed on the outer side of the slag cleaning body; the piston rod of the tensioning cylinder is connected and fixed to the tensioning fixing seat; the tensioning fixing seat is fixedly connected to the tensioning seat by bolts; the driven wheel device is installed on the inner side of the slag cleaning body; the driven wheel device and the slag cleaning body are connected by an adjustable cover plate for the driven wheel or a fixed cover plate for the driven wheel; the slag cleaning lower petal is assembled into a semicircle with the slag cleaning body; the driven wheel device and the slag cleaning lower petal are connected by the lower petal driven wheel fixing plate; the threaded transmission rod and the lower petal driven wheel fixing plate are threadedly matched; the special-shaped roller chain is transmission-connected to the driving wheel device and the driven wheel device; the special-shaped roller chain is fixedly provided with a plurality of slag cleaning buckets by bolts; a detachable bucket cover is installed on one side of the slag cleaning bucket.

[0005] Preferably, one or more driven wheel devices are provided, and the multiple driven wheel devices are evenly distributed along the arc surface of the slag cleaning body.

[0006] Preferably, a slide rail structure is provided at the position where the outer side of the slag cleaning body is connected to the tightening seat.

[0007] Preferably, a plurality of the slag cleaning buckets are arranged in the same direction and at equal intervals on the special-shaped roller chain.

[0008] Preferably, a U-shaped groove structure is provided at the connection between the outer surface of the slag cleaning body and the driving wheel device and the driven wheel device.

[0009] Compared with the prior art, the invention has the following beneficial effects: the slag accumulation in the tunnel can be cleaned in the axial and radial directions by means of mechanical automation, thereby improving the operation efficiency of the machine;

[0010] The mechanical structure and hydraulic control work together to tension the sprocket, ensuring efficiency while reducing equipment production costs;

[0011] The slag cleaning bucket movement mechanism rotates inside the slag cleaning body, and the slag cleaning device has a compact structure, ensuring the safety and reliability of the mechanism during operation;

[0012] The application range is wide. By adjusting the movement trajectory of the roller chain, it can be applied to the slag removal operations of full-section hard rock tunnel boring machines of various diameters and types. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of the present invention;

[0014] Figure 2 It is a side view structural schematic diagram of the present invention;

[0015] In the figure: 1. Motor; 2. Reducer; 3. Motor connecting seat; 4. Support seat; 5. Slag cleaning body; 6. Driving wheel device; 7. Tensioning cylinder; 8. Tensioning fixing seat; 9. Driven wheel device; 10. Adjustable cover plate for driven wheel; 11. Fixed cover plate for driven wheel; 12. Slag cleaning lower petal; 13. Threaded transmission rod; 14. Lower petal driven wheel fixing plate; 15. Special-shaped roller chain; 16. Slag cleaning bucket; 17. Removable bucket cover plate. DETAILED DESCRIPTION

[0016] 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.

[0017] Example 1

[0018] See also Figure 1 to Figure 2The present invention provides a technical solution: a slag cleaning device for a full-face hard rock tunnel boring machine, comprising a motor 1, a reducer 2, a motor connecting seat 3, a tightening seat 4, a slag cleaning body 5, a driving wheel device 6, a tensioning cylinder 7, a tensioning fixing seat 8, a driven wheel device 9, an adjustable cover plate 10 for a driven wheel, a fixed cover plate 11 for a driven wheel, a lower slag cleaning petal 12, a threaded transmission rod 13, a lower petal driven wheel fixing plate 14, a special-shaped roller chain 15, a slag cleaning bucket 16 and a detachable bucket cover plate 17. The motor 1, the reducer 2, the motor connecting seat 3 and the tightening seat 4 are symmetrically arranged on both sides of the slag cleaning body 5. The motor 1 is connected to the reducer 2 by bolts, the reducer 2 is connected to the tightening seat 4 by the motor connecting seat 3, and the tightening seat 4 is slidably installed on the slag cleaning body 5. The driving wheel device 6 is arranged on the inner side of the slag cleaning body 5. The driving wheel device 6 is rotatably connected to the motor connecting seats 3 on both sides by bolts. Next, a tensioning cylinder 7 is horizontally arranged on the outer side of the slag cleaning body 5, and the cylinder body of the tensioning cylinder 7 is fixed to the outer side of the slag cleaning body 5. The piston rod of the tensioning cylinder 7 is connected and fixed to the tensioning fixing seat 8, and the tensioning fixing seat 8 is fixedly connected to the tensioning seat 4 by bolts. The driven wheel device 9 is installed on the inner side of the slag cleaning body 5, and the driven wheel device 9 is connected to the slag cleaning body 5 through an adjustable cover plate 10 for the driven wheel or a fixed cover plate 11 for the driven wheel. The lower slag cleaning petal 12 is assembled into a semicircle with the slag cleaning body 5, and the driven wheel device 9 is connected to the lower slag cleaning petal 12 through the lower petal driven wheel fixing plate 14, and the threaded transmission rod 13 is threadedly matched with the lower petal driven wheel fixing plate 14, and the special-shaped roller chain 15 is mutually transmission-connected with the driving wheel device 6 and the driven wheel device 9, and the special-shaped roller chain 15 is fixedly provided with a plurality of slag cleaning buckets 16 by bolts, and a detachable bucket cover plate 17 is installed on one side of the slag cleaning bucket 16.

[0019] In this embodiment, preferably, one or more driven wheel devices 9 are provided, and the multiple driven wheel devices 9 are evenly distributed along the arc surface of the slag cleaning body 5 to ensure the stable rotation of the special-shaped roller chain 15.

[0020] In this embodiment, preferably, the motor 1 and the slag cleaning body 5 are assembled into a semicircular structure, and a slide rail structure is provided at the position where the outer side of the slag cleaning body 5 is connected to the tightening seat 4 to ensure smooth movement and adjustment.

[0021] In this embodiment, preferably, a plurality of slag cleaning buckets 16 are arranged in the same direction and at equal intervals on the special-shaped roller chain 15 in order to improve the efficiency of cleaning the slag.

[0022] In this embodiment, preferably, a U-shaped groove structure is provided at the connection between the outer surface of the slag cleaning body 5 and the driving wheel device 6 and the driven wheel device 9 for easy installation.

[0023] The working principle and use process of the present invention are as follows: the slag cleaning device is installed in the slag accumulation area behind the cutter disc, the belt conveyor passes through the middle of the slag cleaning body 5, the front and rear motors 1 reduce the speed and drive the driving wheel device 6 under the action of the reducer 2 connected thereto, the driving wheel device 6 drives the special-shaped roller chain 15 to rotate radially in a semi-circular arc trajectory, and the slag cleaning bucket 16 fixed to the special-shaped roller chain 15 realizes radial rotation. During the rotation process, the slag cleaning bucket 16 located on the arc can scrape off the accumulated slag on the inner wall of the tunnel and temporarily store it in the slag cleaning bucket 16. The slag cleaning bucket 16 When it rotates to the top of the belt conveyor, the accumulated slag slides onto the belt conveyor, thereby realizing a one-time operation of slag cleaning; during the excavation process of the full-section hard rock tunnel boring machine, the detachable bucket cover 17 is removed to realize the axial scraping of the accumulated slag; the driving wheel device 6 and the tensioning fixed seat 8 are fixed together on the tightening seat 4, and the tensioning cylinder 7 pushes the tightening seat 4 to move horizontally along the track outside the slag cleaning body 5, and the driving wheel device 6 follows; the positioning of the driven wheel with an adjustable cover plate 10 and the slag cleaning body 5 can be adjusted according to needs, and the adjustment means are: a slag cleaning body 5 is provided with a A plurality of bolt holes are arranged, and the positioning of the adjustable cover plate 10 for the driven wheel is adjusted by selecting the hole position for bolt installation. This adjustment method ensures that the driven wheel device 9 can be adjusted in the radial direction; the position of a single driven wheel device 9 can be adjusted, and the positions of multiple driven wheel devices 9 can also be adjusted. The driven wheel device 9 that does not need to be adjusted in position can be fixed by the fixed cover plate 11 for the driven wheel; the lower lobe driven wheel fixing plate 14 located at the lower lobe 12 of the slag cleaning is threadedly driven with the transmission rod 13, and the driven wheel device 9 located at the lower lobe 12 of the slag cleaning It can be adjusted up and down; when the tunnel geology is relatively soft and the slag cleaning bucket 19 is trapped, the driven wheel device 9 of the slag cleaning lower petal 12 can be adjusted upward, and at the same time, the tensioning cylinder 7 drives the driving wheel device 6 to slide to the outside of the tunnel to ensure that the special-shaped roller chain 15 is in a tensioned state; when there is a distance between the slag cleaning bucket 16 and the tunnel surface, the driven wheel device 9 of the slag cleaning lower petal 12 is adjusted downward, and the driven wheel device 9 of the slag cleaning body 5 is adjusted radially downward, and the tensioning cylinder 7 drives the driving wheel device 6 to slide to the inside of the tunnel to achieve the tensioning of the special-shaped roller chain 15.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slag cleaning device for a full-face hard rock tunnel boring machine, comprising a motor (1), a reducer (2), a motor connecting seat (3), a tightening seat (4), a slag cleaning body (5), a driving wheel device (6), a tensioning cylinder (7), a tensioning fixing seat (8), a driven wheel device (9), an adjustable cover plate for a driven wheel (10), a fixed cover plate for a driven wheel (11), a slag cleaning lower petal (12), a threaded transmission rod (13), a lower petal driven wheel fixing plate (14), a special-shaped roller chain (15), a slag cleaning bucket (16) and a detachable bucket cover plate (17), characterized in that: A motor (1), a reducer (2), a motor connecting seat (3) and a tightening seat (4) are symmetrically arranged on both sides of the slag cleaning body (5); the motor (1) is connected to the reducer (2) by bolts; the reducer (2) and the tightening seat (4) are connected by the motor connecting seat (3); the tightening seat (4) is slidably mounted on the slag cleaning body (5); a driving wheel device (6) is arranged on the inner side of the slag cleaning body (5); the driving wheel device (6) is rotatably connected to the motor connecting seats (3) on both sides by bolts; a tensioning cylinder (7) is horizontally arranged on the outer side of the slag cleaning body (5); the cylinder body of the tensioning cylinder (7) is fixed to the outer side of the slag cleaning body (5); the piston rod of the tensioning cylinder (7) is connected and fixed to the tensioning fixing seat (8); the tensioning fixing seat (8) and the tightening seat (4) are connected and fixed to the tightening seat (4). The driven wheel device (9) is fixedly connected by bolts, and is installed on the inner side of the slag cleaning body (5). The driven wheel device (9) and the slag cleaning body (5) are connected by an adjustable cover plate (10) for the driven wheel or a fixed cover plate (11) for the driven wheel. The lower slag cleaning flap (12) and the slag cleaning body (5) are assembled into a semicircle. The driven wheel device (9) and the lower slag cleaning flap (12) are connected by a lower flap driven wheel fixing plate (14). The threaded transmission rod (13) and the lower flap driven wheel fixing plate (14) are threadedly matched. The special-shaped roller chain (15) is mutually transmission-connected with the driving wheel device (6) and the driven wheel device (9). The special-shaped roller chain (15) is fixedly provided with a plurality of slag cleaning buckets (16) by bolts, and a detachable bucket cover plate (17) is installed on one side of the slag cleaning bucket (16).

2. A slag removal device for a full-face hard rock tunnel boring machine according to claim 1, characterized in that: One or more driven wheel devices (9) are provided, and the multiple driven wheel devices (9) are evenly distributed along the arc surface of the slag cleaning body (5).

3. The slag cleaning device for a full-face hard rock tunnel boring machine according to claim 1, characterized in that: A slide rail structure is provided at a position where the outer side of the slag cleaning body (5) is connected to the tightening seat (4).

4. The slag cleaning device for a full-face hard rock tunnel boring machine according to claim 1, characterized in that: A plurality of slag cleaning buckets (16) are arranged in the same direction and at equal intervals on the special-shaped roller chain (15).

5. The slag cleaning device for a full-face hard rock tunnel boring machine according to claim 1, characterized in that: A U-shaped groove structure is provided at the connection between the outer surface of the slag cleaning body (5) and the driving wheel device (6) and the driven wheel device (9).

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