Heading machine

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a heading machine. The heading machine comprises a chassis, a supporting assembly and a cutting assembly, and the supporting assembly is arranged on the chassis and used for abutting against a roadway. The cutting assembly comprises a supporting seat, a cutting piece and a rack, and the supporting seat is arranged on the chassis in a sliding manner; and the rack is arranged on the supporting base, the cutting piece is rotationally connected with the rack, and a first dust removal piece is arranged on the rack and located on the side, close to the cutting piece, of the rack. According to the heading machine provided by the invention, the concentration of dust can be reduced, and the working safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engineering machinery, and in particular to a heading machine. BACKGROUND

[0002] The heading machine is a mechanical device used for underground engineering construction, which can be used for tunneling, mining and other underground space. The main function of the heading machine is to cut and remove rock or coal seam to create an underground passage or mine mineral resources.

[0003] In the prior art, the heading machine comprises a heading machine body and a cutting head arranged on the heading machine body. The cutting head is located at the front end of the heading machine. When the heading machine body advances, the cutting head rotates along its own axis to cut the rock or coal seam.

[0004] However, a large amount of dust is generated during the cutting process of the cutting head on the rock or coal seam, which poses a safety hazard. CONTENT OF THE UTILITY MODEL

[0005] The present application provides a heading machine which can reduce the concentration of dust and improve the safety of work.

[0006] The heading machine provided by the present application comprises a chassis, a support assembly, a cutting assembly and a loading member. The support assembly is arranged on the chassis and is used to abut against the tunnel.

[0007] The cutting assembly comprises a support seat, a cutting member and a rack. The support seat is slidably arranged on the chassis. The rack is arranged on the support seat. The cutting member is rotationally connected with the rack. The rack has a first dust removal member on one side close to the cutting member.

[0008] In one possible implementation, the first dust removal member is a foam dust remover.

[0009] In one possible implementation, the first dust removal member is located on the upper surface of the rack.

[0010] In one possible implementation, the support assembly comprises a first support member and at least two second support members. The first support member is arranged at one end of the chassis close to the cutting member and is used to abut against the top of the tunnel.

[0011] The second support members are arranged at the other end of the chassis away from the cutting member. The two second support members are arranged in opposite directions. One of the two second support members is used to abut against the top of the tunnel, and the other is used to abut against the bottom of the tunnel.

[0012] In a possible implementation, the tunneling machine provided in the present application, the first support member comprises a support frame, a first driving member and a support plate, the support frame is connected with the chassis, the support plate is rotationally arranged on the support frame, the first driving member connects the support plate and the support frame, and the first driving member drives the support plate to rotate relative to the support frame, so that the support plate abuts against the top of the tunnel.

[0013] In a possible implementation, the tunneling machine provided in the present application further comprises a second dust removal member, and the second dust removal member is arranged below the support plate.

[0014] In a possible implementation, the tunneling machine provided in the present application, the second dust removal member is a negative pressure dust collector.

[0015] In a possible implementation, the tunneling machine provided in the present application, the cutting member comprises at least one roller, a plurality of rolling cutters and a plurality of cutting teeth, and the roller is rotationally arranged on the rack.

[0016] Each rolling cutter is arranged in a spiral shape on the surface of the roller in sequence, and each cutting tooth is arranged at the end of the roller in a spaced manner.

[0017] In a possible implementation, the tunneling machine provided in the present application, the cutting tooth is inclined towards the side away from the roller.

[0018] In a possible implementation, the tunneling machine provided in the present application, the cutting assembly further comprises a connecting member and a second driving member, and two ends of the connecting member are rotationally connected with the rack and the support seat respectively.

[0019] The second driving member is arranged on the chassis, the second driving member is connected with the support seat, and the second driving member drives the support seat to move relative to the chassis.

[0020] The tunneling machine provided in the present application, by arranging the chassis, the support assembly and the cutting assembly, the support assembly is arranged on the chassis, and the support assembly is used to abut against the tunnel, so that the tunneling machine remains stable during operation. The cutting assembly comprises a support seat, a cutting member and a rack, the support seat is slidingly arranged on the chassis; the rack is arranged on the support seat, and the cutting member is rotationally connected with the rack. The support seat slides relative to the chassis, which can adjust the position of the rack and the cutting member, and improve the flexibility and adaptability of the equipment. The rack is provided with a first dust removal member, the first dust removal member is located on the side of the rack close to the cutting member, the first dust removal member can reduce the diffusion of dust and reduce the concentration of dust, thereby improving the safety of work. BRIEF DESCRIPTION OF DRAWINGS

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a tunneling machine provided in an embodiment of this application;

[0023] Figure 2 for Figure 1 A structural schematic diagram of the cutting components and chassis;

[0024] Figure 3 for Figure 2 A structural diagram from another angle;

[0025] Figure 4 for Figure 2 Structural diagram of the middle frame, the first dust removal component, and the cutting component;

[0026] Figure 5 for Figure 4 A structural diagram from another angle;

[0027] Figure 6 for Figure 1 Structural diagram of the loading components, transport components, and chassis;

[0028] Figure 7 for Figure 1 Structural diagram of the central support components and chassis;

[0029] Figure 8 for Figure 7 A schematic diagram of the structure of the second support component.

[0030] Explanation of reference numerals in the attached figures:

[0031] 100-Chassis;

[0032] 200 - Support components;

[0033] 210-First support component; 211-Support frame; 212-First driving component; 213-Support plate; 2131-Second dust removal component;

[0034] 220 - Second support component; 221 - Mounting base; 222 - Support cylinder; 223 - Support base plate;

[0035] 300-Cut Component;

[0036] 310 - Support base;

[0037] 320 - cutting member; 321 - drum; 322 - roller cutter; 323 - pick;

[0038] 330 - frame; 331 - first dust removal member;

[0039] 340 - connecting member;

[0040] 350 - second driving member;

[0041] 360 - lifting oil cylinder;

[0042] 370 - guide column;

[0043] 400 - loading member;

[0044] 500 - carrying member; 510 - lifting oil cylinder;

[0045] 600 - platform;

[0046] 700 - top anchor support member;

[0047] 800 - side anchor support member.

[0048] Through the above drawings, the specific embodiments of the present application have been shown, and will be described in more detail hereinafter. These drawings and textual descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0049] First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0050] Secondly, it should be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixedly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] Then, it needs to be explained that, in the description of the present application, the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0052] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "multiple" is two or more.

[0053] As shown in the background, in the prior art, the heading machine comprises a heading machine body and a cutting head arranged on the heading machine body, the cutting head is located at the front end of the heading machine, and the cutting head rotates along its axis when the heading machine body advances to cut the rock or coal seam.

[0054] However, a large amount of dust is generated in the process of cutting the rock or coal seam by the cutting head, which poses a safety hazard.

[0055] Based on this, the heading machine provided by the present application sets the chassis, the support assembly and the cutting assembly, the support assembly is arranged on the chassis, and the support assembly is used to abut against the tunnel to keep the heading machine stable during operation. The cutting assembly comprises a support seat, a cutting piece and a rack, the support seat is slidingly arranged on the chassis; the rack is arranged on the support seat, and the cutting piece is rotationally connected with the rack. The support seat slides relative to the chassis, which can adjust the position of the rack and the cutting piece, thereby improving the flexibility and adaptability of the equipment. The first dust removal piece is arranged on the rack, and the first dust removal piece is located on the side of the rack close to the cutting piece. The first dust removal piece can reduce the diffusion of dust and reduce the concentration of dust, thereby improving the safety of work.

[0056] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments of the present application will be described in more detail below in combination with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference signs represent the same or similar components or components with the same or similar functions throughout. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0057] The tunneling machine provided by the application comprises a chassis 100, a support assembly 200 and a cutting assembly 300, the support assembly 200 is arranged on the chassis 100, and the support assembly 200 is used for abutting against a tunnel. Figures 1 to 5

[0058] The cutting assembly 300 comprises a support seat 310, a cutting piece 320 and a rack 330, the support seat 310 is slidably arranged on the chassis 100, the rack 330 is arranged on the support seat 310, the cutting piece 320 is rotationally connected with the rack 330, the rack 330 is provided with a first dust removal piece 331, and the first dust removal piece 331 is located on a side of the rack 330 close to the cutting piece 320.

[0059] It can be understood that the chassis 100 serves as a basic structure of the entire tunneling machine, provides mounting positions for other assemblies, and enables the support assembly 200 and the cutting assembly 300 to be effectively integrated together to form a complete working system, thereby ensuring that the assemblies can be stably mounted and operated.

[0060] The support assembly 200 can abut against the top or the bottom of the tunnel, provide additional support force for the tunneling machine, and enable the tunneling machine to remain stable during operation and prevent tilting or movement.

[0061] The support seat 310 is slidably arranged on the chassis 100, and the support seat 310 can provide support and positioning for the rack 330 and the cutting piece 320.

[0062] The cutting piece 320 can be used for cutting rock or coal seams, helping the tunneling machine to perform tunneling work in the underground tunnel and gradually extend the length of the tunnel.

[0063] ​The rack 330 is arranged on the support base 310 and rotationally connected with the cutting member 320. The rack 330 provides a mounting position and support for the cutting member 320. During operation, the cutting member 320 rotates along its own axis to cut the rock or coal seam. By arranging the rack 330, the stability and accuracy of the cutting member 320 in cutting the rock or coal seam are enhanced, and the continuity and consistency of the cutting process are ensured.

[0064] The first dust removal member 331 is arranged on one side of the rack 330 close to the cutting member 320, which can timely capture and suppress the dust just generated, reducing the spread of dust. The dust removal function of the first dust removal member 331 can control and reduce the dust generated during the cutting of the rock or coal seam, reduce the concentration of dust, and improve the safety of the working environment, thereby reducing the impact of dust on equipment and personnel.

[0065] It should be noted that, as shown in Figure 6 The loading member 400 can be arranged on the chassis 100. The loading member 400 has a material gathering function. The loading member 400 is used to collect the rock or coal seam cut by the cutting member 320, improve the continuity of the cutting process, and improve the work efficiency. The carrying member 500 is connected with the loading member 400. The carrying member 500 can be a scraper conveyor structure and has a material conveying function. In specific implementation, the loading member 400 and the carrying member 500 can be made of wear-resistant materials that can withstand hard rock abrasion at the material contact positions. The lifting oil cylinder 510 can be arranged on the chassis 100. One end of the lifting oil cylinder 510 is connected with the chassis 100, and the other end is connected with the combined position of the loading member 400 and the carrying member 500. When the lifting oil cylinder 510 extends or retracts, the loading member 400 can be driven to move up and down.

[0066] It should be noted that, as shown in Figure 1 The platform 600 can be arranged on the chassis 100. The platform 600 can provide a space for personnel operation and can also place an operation table. The top anchor support member 700 can be arranged at the front end of the platform 600. The help anchor support member 800 can be arranged at the middle part of the platform 600. The top anchor support member 700 and the help anchor support member 800 can be anchor rod machines with sliding function. The rock drill can be used for punching, and has the functions of drilling and punching anchor rods. In specific implementation, the top anchor support member 700 and the help anchor support member 800 can be arranged on both sides of the platform 600.

[0067] It can be understood that, in the prior art, a large amount of dust is generated during the process of the cutting head cutting rock or coal seams, which has a safety hazard. The tunneling machine in the embodiment of the application comprises a chassis 100, a supporting assembly 200 and a cutting assembly 300. The supporting assembly 200 is arranged on the chassis 100 and is used to abut against the tunnel to keep the tunneling machine stable during operation. The cutting assembly 300 comprises a supporting seat 310, a cutting piece 320 and a rack 330. The supporting seat 310 is slidably arranged on the chassis 100. The rack 330 is arranged on the supporting seat 310, and the cutting piece 320 is rotatably connected to the rack 330. The supporting seat 310 slides relative to the chassis 100 to adjust the positions of the rack 330 and the cutting piece 320, thereby improving the flexibility and adaptability of the equipment. The rack 330 is provided with a first dust removal piece 331 on one side close to the cutting piece 320. The first dust removal piece 331 can reduce the diffusion of dust and the concentration of dust, thereby improving the safety of work.

[0068] In some embodiments, referring to Figure 4 and Figure 5 , the first dust removal piece 331 is a foam dust collector.

[0069] It should be noted that the foam dust collector can capture dust particles in the air by generating foam. The foam can wrap dust particles, making them easier to settle, thereby improving dust removal efficiency.

[0070] Foam can form a barrier at the source of dust to prevent dust from spreading outward and reduce the impact on the surrounding environment and equipment. By reducing the concentration of dust in the air, the foam dust collector can effectively improve the air quality of the working environment and protect the health of the operator.

[0071] In some embodiments, referring to Figure 4 and Figure 5 , the first dust removal piece 331 is located on the upper surface of the rack 330.

[0072] Specifically, the first dust removal piece 331 is located on the upper surface of the rack 330. Spraying foam from above can more evenly cover the cutting area and the surrounding environment, forming an effective dust barrier and ensuring a more comprehensive dust removal effect.

[0073] The foam dust collector is close to the cutting piece 320 and can capture and suppress dust as soon as it is generated, thereby minimizing the spread of dust.

[0074] In some embodiments, referring to Figure 1 and Figure 7As shown, the support assembly 200 includes a first support 210 and at least two second supports 220, the first support 210 is arranged at one end of the chassis 100 close to the cutting member 320, and is used to abut against the top of the roadway.

[0075] The second support 220 is arranged at one end of the chassis 100 away from the cutting member 320, and the two second supports 220 are arranged in opposite directions, one of the two second supports 220 is used to abut against the top of the roadway, and the other is used to abut against the bottom of the roadway.

[0076] It can be understood that the first support 210 is arranged at one end of the chassis 100 close to the roller 321, which can provide additional support and stability to the front end of the roadheader. When the roadheader is performing cutting operation, the first support 210 abuts against the top of the roadway, which can effectively prevent the equipment from tilting or unnecessary movement due to unbalanced torque, and ensure the stability of the equipment during cutting.

[0077] The second support 220 is arranged at one end of the chassis 100 away from the roller 321, which can provide additional support and stability to the rear end of the roadheader. The two second supports 220 abut against the top and bottom of the roadway respectively, which can effectively disperse and balance the force generated by the equipment during operation, prevent the equipment from overturning or slipping due to asymmetric force or vibration during operation, and ensure the safe operation of the equipment.

[0078] In some embodiments, referring to Figure 7 As shown, the first support 210 includes a support frame 211, a first driving member 212, and a support plate 213, the support frame 211 is connected with the chassis 100, the support plate 213 is rotationally arranged on the support frame 211, and the first driving member 212 connects the support plate 213 with the support frame 211. The first driving member 212 drives the support plate 213 to rotate relative to the support frame 211, so that the support plate 213 abuts against the top of the roadway.

[0079] Specifically, one end of the support frame 211 is fixed with the chassis 100, and the other end is hinged with the support plate 213; the support plate 213 can be hinged with the support oil cylinder 222; and the support oil cylinder 222 is hinged with the chassis 100. The first driving member 212 drives the support plate 213 to rotate relative to the support frame 211, which can flexibly adjust the angle and position of the support plate 213 to adapt to roadways of different heights, and ensure that the support plate 213 can be in close contact with the top of the roadway, thereby improving the reliability of the first support 210. Exemplarily, the first driving member 212 can be a hydraulic oil cylinder, or can be other driving devices, and the embodiments of the present application do not make too many limitations on this.

[0080] It should be noted that, referring to Figure 8As shown, the second support 220 can include a mounting seat 221, a support oil cylinder 222 fixed on the mounting seat 221, and a support bottom plate 223 hinged at the end of the support oil cylinder 222. Exemplarily, the hinged manner can be a spherical hinge. Among them, more than or equal to two support oil cylinders 222 can be installed in a single mounting seat 221, and the directions of the two adjacent support oil cylinders 222 are opposite.

[0081] In some embodiments, referring to Figure 7 As shown, the tunneling machine further includes a second dust removal member 2131 arranged below the support plate 213.

[0082] It can be understood that, since the support plate 213 abuts against the top of the tunnel during cutting, the second dust removal member 2131 is located below the support plate 213, which can directly capture dust on the top of the tunnel, reduce the suspension time of dust in the air, and reduce the dust concentration.

[0083] In some embodiments, referring to Figure 7 As shown, the second dust removal member 2131 is a negative pressure dust collector.

[0084] It should be noted that the negative pressure dust collector can efficiently capture fine dust particles by generating negative pressure (vacuum) to attract and capture dust particles in the air, thereby significantly reducing the dust concentration in the air. By effectively removing dust, the air quality of the working environment can be improved, and the safety of the working environment can be improved.

[0085] In some embodiments, referring to Figure 4 and Figure 5 As shown, the cutting member 320 includes at least one roller 321, a plurality of rolling cutters 322, and a plurality of pick cutters 323, and the roller 321 is rotationally arranged on the rack 330.

[0086] Each rolling cutter 322 is sequentially arranged in a spiral shape around the surface of the roller 321, and each pick cutter 323 is arranged at the end of the roller 321.

[0087] It should be noted that the rolling cutters 322 are arranged in a spiral shape around the surface of the roller 321, which makes the cutting process more continuous and stable. The spiral arrangement of the rolling cutters 322 can gradually cut into the rock or coal seam when the roller 321 rotates, reducing the instantaneous load and improving the cutting efficiency. The pick cutters 323 can be used to process harder rocks or the edges of the coal seam, and the sharp cutting edges can effectively cut into and crush hard materials, thereby enhancing the overall cutting capacity. The combined use of the rolling cutters 322 and the pick cutters 323 can effectively deal with rocks or coal seams of different hardness and structure, and has the ability to cut hard rocks. The rolling cutters 322 are responsible for preliminary cutting and crushing, and the pick cutters 323 are used for further refinement and cleaning of the cutting surface, thereby enhancing the overall cutting capacity.

[0088] In a specific implementation, the rack 330 is provided with two or more than two rollers 321. The surface of the roller 321 can be provided with a hob 322 and a pick 323 at the same time, and the end face of the roller 321 is provided with a pick 323. During the tunneling operation, the hob 322 and the pick 323 on the surface of the roller 321 can cut the rock or coal seam on the tunneling face; the rollers 321 located at both ends of the rack 330 can slide on the rack 330 along the axis direction of the rollers 321, so that the picks 323 at the end of the roller 321 cut the two sides of the roadway. The roadway section can be rectangular, and it is a one-time roadway without the need for shaping, which improves the work efficiency.

[0089] In some embodiments, referring to Figure 4 , the pick 323 is inclined towards the side away from the roller 321.

[0090] It should be noted that the inclined pick 323 design enables the cutting edge to cut into the material more effectively, reduces the cutting resistance, and thus improves the cutting efficiency.

[0091] In some embodiments, referring to Figure 2 and Figure 3 , the cutting assembly 300 further includes a connecting piece 340 and a second driving piece 350, and the two ends of the connecting piece 340 are rotatably connected with the rack 330 and the support seat 310 respectively.

[0092] The second driving piece 350 is arranged on the chassis 100, and the second driving piece 350 is connected with the support seat 310. The second driving piece 350 drives the support seat 310 to move relative to the chassis 100.

[0093] In a specific implementation, at least two guide columns 370 can be arranged on the chassis 100, and the support frame 211 and the guide column 370 on the chassis 100 form a sliding pair connection. A lifting oil cylinder 360 can also be arranged, one end of the lifting oil cylinder 360 is hinged with the connecting piece 340, the other end is hinged with the support seat 310, the connecting piece 340 is hinged with the support seat 310, and the lifting of the lifting oil cylinder 360 can realize the lifting of the connecting piece 340.

[0094] The cutting member 320 is connected with the connecting piece 340 through the rack 330, one end of the second driving piece 350 is connected with the support seat 310, and the other end is connected with the chassis 100. The second driving piece 350 can drive the support seat 310 to slide forward and backward, and thus realize the feed and retreat of the cutting member 320.

[0095] Specifically, during the operation of the tunneling machine, the first support 210 provides support to the top of the tunnel, the two second supports 220 provide support to the top and the bottom of the tunnel respectively, the second driving member 350 drives the support base 310 to drive the cutting member 320 to cut, after the cutting member 320 starts to rotate, the rolling cutter 322 and the cutting pick 323 on the cutting member 320 cut the tunnel, the cut material falls into the loading member 400, and after the material is gathered by the loading member 400, the material is sent to the transfer machine by the carrying member 500.

[0096] It can be understood by those skilled in the art that the tunneling machine provided in the present application is provided with the chassis 100, the support assembly 200 and the cutting assembly 300, the support assembly 200 is arranged on the chassis 100, and the support assembly 200 is used to abut against the tunnel to keep the tunneling machine stable during the operation. The cutting assembly 300 comprises the support base 310, the cutting member 320 and the rack 330, the support base 310 is slidingly arranged on the chassis 100; the rack 330 is arranged on the support base 310, and the cutting member 320 is rotationally connected with the rack 330. The support base 310 slides relative to the chassis 100, so that the position of the rack 330 and the cutting member 320 can be adjusted, and the flexibility and adaptability of the equipment are improved. The first dust removal member 331 is arranged on the rack 330, and the first dust removal member 331 is located on the side of the rack 330 close to the cutting member 320. The first dust removal member 331 can reduce the diffusion of dust and reduce the concentration of dust, thereby improving the safety of the operation.

[0097] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0098] It can be understood that the various numbers involved in the embodiments of the present application are only for the convenience of differentiation, and are not used to limit the scope of the embodiments of the present application.

[0099] So far, the technical solution of the present application has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical solutions after the changes or replacements will fall within the protection scope of the present application.

Claims

1. A heading machine, characterized in that, The utility model relates to a cutting assembly and a support assembly for a roadheader. The cutting assembly comprises: a support base (310) slidingly arranged on the chassis (100); a cutting member (320); a rack (330) arranged on the support base (310), the cutting member (320) being rotatably connected to the rack (330), the rack (330) having a first dust removal member (331) on a side of the rack (330) close to the cutting member (320). The first dust removal member (331) is a foam dust remover. The first dust removal member (331) is located on an upper surface of the rack (330).

2. A heading machine according to claim 1, characterized in that The support assembly (200) comprises a first support member (210) and at least two second support members (220), the first support member (210) being arranged at an end of the chassis (100) close to the cutting member (320), the first support member (210) being used to abut against a top of the roadway; 3. The heading machine of claim 1, wherein, the second support members (220) being arranged at an end of the chassis (100) away from the cutting member (320), the two second support members (220) being oppositely arranged, one of the two second support members (220) being used to abut against the top of the roadway and the other being used to abut against a bottom of the roadway.

4. A heading machine according to any one of claims 1 to 3, characterized in that, The first support member (210) comprises a support frame (211), a first driving member (212) and a support plate (213), the support frame (211) being connected to the chassis (100), the support plate (213) being rotatably arranged on the support frame (211), the first driving member (212) connecting the support plate (213) and the support frame (211), the first driving member (212) driving the support plate (213) to rotate relative to the support frame (211) so that the support plate (213) abuts against the top of the roadway. The cutting assembly further comprises a connecting member (340) and a second driving member (350), two ends of the connecting member (340) being rotatably connected to the rack (330) and the support base (310) respectively.

5. A heading machine according to claim 4, characterised in that The second dust removal member (2131) is a negative pressure dust remover.

6. A heading machine according to claim 5, characterised in that The cutting member (320) comprises at least one roller (321), a plurality of rolling cutters (322) and a plurality of cutting picks (323), the roller (321) being rotatably arranged on the rack (330); 7. A heading machine according to claim 6, characterised in that each rolling cutter (322) is arranged in a spiral manner on a surface of the roller (321) in sequence, and each cutting pick (323) is arranged at an end of the roller (321) in a spaced manner.

8. A heading machine according to any one of claims 1 to 3, characterized by The cutting pick (323) is inclined towards a side away from the roller (321). The cutting assembly (300) further comprises a connecting member (340) and a second driving member (350), two ends of the connecting member (340) being rotatably connected to the rack (330) and the support base (310) respectively.

9. A heading machine according to claim 8, characterised in that ​ 10. A heading machine according to any one of claims 1 to 3, characterized by ​ The second driving member (350) is arranged on the chassis (100), the second driving member (350) is connected with the support seat (310), and the second driving member (350) drives the support seat (310) to move relative to the chassis (100).

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