Bottom slag removing device of tunnel boring machine

Abstract

The utility model belongs to the technical field of bottom slag removal devices of tunnel boring machines, and particularly relates to a bottom slag removal device of a tunnel boring machine, which comprises a V-shaped support plate, two ends of the V-shaped support plate are respectively hinged with a rotating plate; multiple sets of through holes are formed in the two ends of the V-shaped supporting plate in a surrounding mode, and corresponding through holes are formed in one end of the rotating plate. A screw is arranged in the through hole; a supporting frame is fixedly connected to one side of the rotating plate, and a push plate is fixedly connected to one side of the supporting frame; when the heading machine runs forwards, broken stones can be pushed to the two sides of the tunnel along the V-shaped inclined surfaces, so that the phenomenon that the broken stones are accumulated at the bottom of a crawler belt is reduced, the possibility of slag accumulation at the bottom of a machine body is reduced, normal operation and running efficiency of the heading machine are guaranteed, and the bottom of the V-shaped plate is in contact with the bottom of the tunnel, so that certain support can be provided for the heading machine; the stability of the machine body is improved, and shaking or inclination of the machine body caused by uneven or soft ground is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of bottom slag cleaning devices for tunnel boring machines, in particular to a bottom slag cleaning device for tunnel boring machines. Background Art

[0002] A tunnel is an engineering structure buried in the ground, mainly composed of pipes or tunnel structures. It is commonly used in road, rail and subway transportation, which can solve traffic problems on the ground. A tunnel boring machine is a device specially used for digging underground tunnels and roadways.

[0003] The tunnel boring machine is mainly composed of multiple parts including the cutting part, shovel part, transportation equipment, walking part and main body. The walking part includes crawler frame, driving wheel, supporting wheel and other components, which are mainly responsible for the movement and positioning of the tunnel boring machine so that it can dig according to the predetermined path.

[0004] When working in a tunnel, a tunnel boring machine often encounters various geological conditions, such as rocks and soil. These materials may be brought to the bottom of the track during the movement of the tunnel boring machine, causing slag accumulation, which affects the walking stability and working efficiency of the tunnel boring machine. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a bottom slag cleaning device for a tunnel boring machine.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the bottom slag cleaning device of a tunnel boring machine described in the utility model includes a V-shaped support plate, and rotating plates are respectively hinged at both ends of the V-shaped support plate; multiple groups of through holes are respectively opened around the two ends of the V-shaped support plate, and corresponding through holes are also opened at one end of the rotating plate; screws are provided inside the through holes; a support frame is fixedly connected to one side of the rotating plate, and a push plate is fixedly connected to one side of the support frame.

[0007] Preferably, a protective shell is installed in the middle of the support frame; a servo motor is installed at the bottom end of the protective shell, and a rotating rod is installed at the output end of the servo motor; an observation window is embedded in the middle of the protective shell; a camera is installed in the middle of the rotating rod, and the camera is opposite to the observation window; a cleaning brush is installed inside the protective shell at one end of the rotating rod, and the cleaning end of the cleaning brush is in contact with the surface of the observation window.

[0008] Preferably, a connecting frame is fixedly connected to the inner side of the V-shaped support plate; a sliding rod is slidably passed through one end of the connecting frame, and a mounting plate is fixedly connected to the other end of the sliding rod; a screw rod is rotatably connected to one end of the mounting plate, and the other end of the screw rod is threadedly passed through the interior of the connecting frame.

[0009] Preferably, a plurality of groups of springs are equidistantly installed inside the support frame, and a buffer plate is connected to one end of the spring.

[0010] Preferably, a slide groove is provided inside the bottom side of the support frame, and a push plate is slidably connected inside the slide groove; one end of the slide groove is also connected to the push plate by a screw.

[0011] Preferably, a lighting lamp is installed on the V-shaped support plate, and the lighting lamp is located in the middle of the V-shaped support plate.

[0012] Preferably, the push plate surface is coated with a wear-resistant layer, and the wear-resistant layer is made of melamine.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a bottom slag cleaning device for a tunnel boring machine. When the tunnel boring machine is moving forward, the crushed stones can be pushed to both sides of the tunnel along the V-shaped inclined surface to reduce the phenomenon of accumulation at the bottom of the crawler, so as to reduce the possibility of slag accumulation at the bottom of the machine body, so as to ensure the normal operation and driving efficiency of the tunnel boring machine. The bottom of the V-shaped plate contacts the bottom of the tunnel, which can provide certain support for the tunnel boring machine, increase the stability of the machine body, and reduce the shaking or tilting of the machine body caused by uneven or soft ground. At the same time, the angle adjustment of the two groups of support frames can be completed by disengaging the screws from the through holes. After the adjustment is completed, the two groups of through holes are positioned relative to each other and can be connected again by screws, so as to facilitate the subsequent adjustment of the angle according to the actual needs of the geological conditions and the working environment, better adapt to different terrains and working requirements, and improve the working efficiency and flexibility of the tunnel boring machine.

[0015] 2. The utility model provides a bottom slag cleaning device for a tunnel boring machine. The output end of the servo motor drives a rotating rod, which can drive a camera to rotate, so as to cover a wider area and provide an all-round field of vision for the operator, which helps the operator to better understand the surrounding environment and ensure safe work. The protective shell can effectively protect the camera from dust, water drops, gravel and other debris, and the rotation of the rotating rod simultaneously drives a cleaning brush to clean the surface of the observation window, cleans the dust, soil and other dirt accumulated on the surface of the observation window, so as to improve the clarity of the camera when shooting, thereby improving the accuracy of monitoring and operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary 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:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection between the connecting frame and the mounting plate in the utility model;

[0020] Figure 4 It is a cross-sectional view of the protective shell in the utility model.

[0021] Legend:

[0022] 1. V-shaped support plate; 2. rotating plate; 3. through hole; 4. support frame; 5. screw; 6. push plate; 7. protective shell; 8. servo motor; 9. rotating rod; 10. camera; 11. observation window; 12. cleaning brush; 13. sliding rod; 14. mounting plate; 15. screw; 16. spring; 17. buffer plate; 18. slide groove; 19. lighting; 20. connecting frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 3 The utility model provides a bottom slag cleaning device for a tunnel boring machine, comprising a V-shaped support plate 1, with rotating plates 2 hinged at both ends of the V-shaped support plate 1; a plurality of through holes 3 are respectively arranged around the two ends of the V-shaped support plate 1, and a corresponding through hole 3 is also arranged at one end of the rotating plate 2; screws 5 are arranged inside the through holes 3; a support frame 4 is fixedly connected to one side of the rotating plate 2, and a push plate 6 is fixedly connected to one side of the support frame 4.

[0026] During operation, by connecting and installing the V-shaped support plate 1 to the front end of the tunnel boring machine, the two ends of the V-shaped support plate 1 are connected by the support frame 4 installed to achieve the effect of changing direction and extending. When the tunnel boring machine is moving forward, the crushed stone can be pushed to both sides of the tunnel along the V-shaped slope to reduce the phenomenon of accumulation at the bottom of the crawler, thereby reducing the possibility of slag accumulation at the bottom of the machine body, thereby ensuring the normal operation and driving efficiency of the tunnel boring machine. The bottom of the V-shaped plate contacts the bottom of the tunnel, which can provide certain support for the tunnel boring machine, increase the stability of the machine body, and reduce the shaking or tilting of the machine body caused by uneven or soft ground. At the same time, by disengaging the screws 5 from the through holes 3, the angle adjustment of the two groups of support frames 4 can be completed. After the adjustment is completed, the two groups of through holes 3 are positioned relative to each other, and they can be connected again by the screws 5, so as to facilitate the subsequent adjustment of the angle according to the actual needs of the geological conditions and the working environment, better adapt to different terrains and working requirements, and improve the working efficiency and flexibility of the tunnel boring machine.

[0027] See also Figure 1 , Figure 4 , a protective shell 7 is installed in the middle of the support frame 4; a servo motor 8 is installed at the bottom end of the protective shell 7, and a rotating rod 9 is installed at the output end of the servo motor 8; an observation window 11 is embedded in the middle of the protective shell 7; a camera 10 is installed in the middle of the rotating rod 9, and the camera 10 is opposite to the observation window 11; one end of the rotating rod 9 rotates through the protective shell 7 and a cleaning brush 12 is installed inside, and the cleaning end of the cleaning brush 12 is in contact with the surface of the observation window 11; when working, the rotating rod 9 is driven by the output end of the servo motor 8, so that the camera 10 can be driven to rotate, so as to cover a wider area, provide an all-round field of vision for the operator, help the operator to better understand the surrounding environment, and ensure the safety of work, and the protective shell 7 can effectively protect the camera 10 from dust, water droplets, gravel and other debris, and the rotating rod 9 rotates and drives the cleaning brush 12 to clean the surface of the observation window 11, and clean the dust, soil and other dirt accumulated on the surface of the observation window 11, so as to improve the clarity of the camera 10 when shooting, thereby improving the accuracy of monitoring and operation.

[0028] See also Figure 1 , Figure 3 A connecting frame 20 is fixedly connected to the inner side of the V-shaped support plate 1; a sliding rod 13 is slidably penetrated at one end of the connecting frame 20, and a mounting plate 14 is fixedly connected to the other end of the sliding rod 13; a screw rod 15 is rotatably connected to one end of the mounting plate 14, and the other end of the screw rod 15 is threadedly penetrated into the interior of the connecting frame 20; during operation, the distance between the V-shaped support plate 1 as a whole and the ground can be adjusted by rotating the screw rod 15 forwards and backwards, so as to better adapt to these changes when encountering grounds of different heights and different hardnesses, and to optimize the flow path of crushed stone, improve slag discharge efficiency, reduce slag accumulation, and thereby improve overall operating efficiency.

[0029] See also Figure 1 , Figure 2 A plurality of groups of springs 16 are equidistantly installed inside the support frame 4, and a buffer plate 17 is connected to one end of the spring 16; when working, when the buffer plate 17 pushes the gravel, the spring 16 can be used for elastic buffering inside the support frame 4 to absorb and disperse the impact force and vibration from the external environment, reduce the damage to the support frame 4, and reduce the generation of some noise and vibration.

[0030] See also Figure 1 , Figure 2 A slide groove 18 is provided inside the bottom side of the support frame 4, and a push plate 6 is slidably connected inside the slide groove 18; one end of the slide groove 18 is also connected to the push plate 6 by a screw 5; when working, the push plate 6 can be quickly disassembled by disengaging the screw 5 from one end of the slide groove 18, so as to facilitate subsequent maintenance and replacement.

[0031] See also Figure 1 A lighting lamp 19 is installed on the V-shaped support plate 1, and the lighting lamp 19 is located in the middle of the V-shaped support plate 1; when working, the lighting lamp 19 can provide lighting effects to the V-shaped plate and its surrounding areas.

[0032] See also Figure 1 The surface of the push plate 6 is coated with a wear-resistant layer, which is made of melamine. When working, the wear-resistant layer can significantly enhance the wear resistance of the push plate 6, reduce the wear caused by material friction and impact, so as to extend the service life and reduce the replacement frequency and cost.

[0033] Working principle: By connecting and installing the V-shaped support plate 1 with the front end of the tunnel boring machine, the two ends of the V-shaped support plate 1 are connected through the support frame 4 to achieve the effect of changing direction and extension. When the tunnel boring machine is moving forward, the crushed stone can be pushed to both sides of the tunnel along the V-shaped slope to reduce the accumulation at the bottom of the crawler, thereby reducing the possibility of slag accumulation at the bottom of the machine body, so as to ensure the normal operation and driving efficiency of the tunnel boring machine. The bottom of the V-shaped plate contacts the bottom of the tunnel, which can provide certain support for the tunnel boring machine, increase the stability of the machine body, and reduce the shaking or tilting of the machine body caused by uneven or soft ground. At the same time, by screwing in the screw 5 By disengaging from the through hole 3, the angle adjustment of the two groups of support frames 4 can be completed. After the adjustment is completed, the two groups of through holes 3 are positioned relative to each other and can be reconnected by screws 5, so as to facilitate the subsequent adjustment of the angle according to the actual needs of the geological conditions and the working environment, better adapt to different terrains and working requirements, and improve the working efficiency and flexibility of the tunnel boring machine; the output end of the servo motor 8 drives the rotating rod 9, which can drive the camera 10 to rotate, so as to cover a wider area, provide the operator with a full range of vision, help the operator to better understand the surrounding environment, and ensure the safety of work, while the protective shell 7 can effectively protect the camera The head 10 is protected from dust, water drops, gravel and other debris, and the rotating rod 9 rotates while driving the cleaning brush 12 to clean the surface of the observation window 11, and clean the dust, soil and other dirt accumulated on the surface of the observation window 11, so as to improve the clarity of the camera 10 when shooting, thereby improving the accuracy of monitoring and operation; by rotating the screw rod 15 forwards and backwards, the distance between the V-shaped support plate 1 as a whole and the ground can be adjusted, so as to better adapt to these changes when encountering grounds of different heights and different hardnesses, and the flow path of the gravel can be optimized, the slag discharge efficiency can be improved, and the slag accumulation phenomenon can be reduced, thereby improving the overall operation efficiency. rate; when the buffer plate 17 pushes the gravel, the spring 16 can be used for elastic buffering inside the support frame 4 to absorb and disperse the impact force and vibration from the external environment, reduce the damage to the support frame 4, and reduce the generation of some noise and vibration; by disengaging the screw 5 from one end of the slide groove 18, the push plate 6 can be quickly disassembled to facilitate subsequent maintenance and replacement; the lighting lamp 19 can provide lighting effect for the V-shaped plate and its surrounding area; the wear-resistant layer can significantly enhance the wear resistance of the push plate 6, reduce the wear caused by material friction and impact, so as to extend the service life and reduce the replacement frequency and cost.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A bottom slag cleaning device for a tunnel boring machine, comprising a V-shaped support plate (1), characterized in that: The two ends of the V-shaped support plate (1) are respectively hinged with a rotating plate (2); a plurality of through holes (3) are respectively arranged around the two ends of the V-shaped support plate (1), and a corresponding through hole (3) is also arranged at one end of the rotating plate (2); screws (5) are arranged inside the through holes (3); a support frame (4) is fixedly connected to one side of the rotating plate (2), and a push plate (6) is fixedly connected to one side of the support frame (4).

2. The bottom slag cleaning device of a tunnel boring machine according to claim 1, characterized in that: A protective shell (7) is installed in the middle of the upper part of the support frame (4); a servo motor (8) is installed at the bottom end of the protective shell (7), and a rotating rod (9) is installed at the output end of the servo motor (8); an observation window (11) is embedded in the middle of the protective shell (7); a camera (10) is installed in the middle of the rotating rod (9), and the camera (10) and the observation window (11) are opposite to each other; a cleaning brush (12) is installed at one end of the rotating rod (9) so as to rotate and penetrate through the protective shell (7), and the cleaning end of the cleaning brush (12) is in contact with the surface of the observation window (11).

3. The bottom slag cleaning device of a tunnel boring machine according to claim 1, characterized in that: A connecting frame (20) is fixedly connected to the inner side of the V-shaped support plate (1); a sliding rod (13) is slidably penetrated at one end of the connecting frame (20), and a mounting plate (14) is fixedly connected to the other end of the sliding rod (13); a screw rod (15) is rotatably connected to one end of the mounting plate (14), and the other end of the screw rod (15) is threadedly penetrated into the interior of the connecting frame (20).

4. The bottom slag cleaning device of a tunnel boring machine according to claim 1, characterized in that: A plurality of groups of springs (16) are equidistantly installed inside the support frame (4), and a buffer plate (17) is connected to one end of the spring (16).

5. The bottom slag cleaning device of a tunnel boring machine according to claim 1, characterized in that: A slide groove (18) is provided inside the bottom side of the support frame (4), and a push plate (6) is slidably connected inside the slide groove (18); one end of the slide groove (18) is also connected to the push plate (6) via a screw (5).

6. The bottom slag cleaning device of a tunnel boring machine according to claim 1, characterized in that: A lighting lamp (19) is installed on the V-shaped support plate (1), and the lighting lamp (19) is located at the upper middle of the V-shaped support plate (1).

7. The bottom slag cleaning device of a tunnel boring machine according to claim 1, characterized in that: The push plate (6) has a surface coated with a wear-resistant layer, wherein the wear-resistant layer is made of melamine.

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