Heading machine with heading machine head convenient to disassemble

Abstract

The utility model provides a heading machine with a heading machine head convenient to disassemble, and particularly relates to the technical field of heading machines, the heading machine comprises a heading machine body, the heading machine body comprises a machine body, heat dissipation holes, a crawler belt and a machine arm, the heat dissipation holes are formed in the outer side of the machine body, the crawler belt is arranged below the machine body, and the machine arm is arranged at the front end of the machine body. According to the heading machine with the heading machine head convenient to disassemble, when the heading machine is used, the machine head is inserted into the butt joint hole, in the process of inserting the machine head into the butt joint hole, the machine head makes contact with the limiting rod, through an inclined face formed in one end of the limiting rod, the connecting column pushes the limiting rod to slide in the fixing hole, and therefore the heading machine head can be disassembled conveniently. The outer wall of one end of the machine head is smaller than the inner wall of the butt joint hole, so that when the machine head is installed, it is guaranteed that the limiting rod can slide into the limiting hole, then the limiting rod is in threaded connection through a nut, and therefore the machine head is installed and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of roadheaders, in particular to a roadheader with a roadheader head that is convenient to disassemble. Background Technique

[0002] A roadheader is a machine used to excavate roadways under flat ground. There are many types of roadheaders: classified by the operation object into ordinary machines and tunnel boring machines; classified by the operation method into open-type roadheaders and shield-type roadheaders. It mainly consists of a traveling mechanism, a working mechanism, a loading and transporting mechanism, and a transfer mechanism. As the traveling mechanism advances forward, the cutting head in the working mechanism continuously breaks rocks and transports the crushed rocks away. It has the advantages of safety, high efficiency, and good roadway formation quality, but it has a high cost, a complex structure, and large losses. A tunnel boring machine is a comprehensive device that uses machinery to break rocks, remove muck, and support in a continuous operation. According to the cutting process of the tunnel boring machine on the working face, it is divided into a full-face tunnel boring machine and a partial-face tunnel boring machine. According to the operation method, it is divided into an open-type tunnel boring machine and a shield-type tunnel boring machine. Among the former, the well-known large-diameter full-face rock tunnel boring machine is a complete set of tunneling equipment that integrates excavation, support, and muck removal. When in use, when the head of the roadheader contacts the rock, it will be damaged, and then the head needs to be replaced. Content of the Utility Model

[0003] The purpose of the utility model is to provide a roadheader with a roadheader head that is convenient to disassemble, so as to solve the problem that when in use, the head of the roadheader will be damaged when it contacts the rock, and then the head needs to be replaced as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A roadheader with a roadheader head that is convenient to disassemble, including a roadheader body, the roadheader body includes a machine body, heat dissipation holes, crawlers, and a machine arm. Heat dissipation holes are opened on the outer side of the machine body. Crawlers are arranged below the machine body. A machine arm is arranged at the front end of the machine body. An installation mechanism is arranged at one end of the machine arm. The installation mechanism includes a docking hole, a connecting column, a limiting hole, and a roadheader head. A docking hole is opened at one end of the machine arm. A connecting column is fixedly connected to the inner side of the docking hole. A limiting hole is penetrated and opened on the inner side of the docking hole. The roadheader head is inserted into the inner side of the docking hole.

[0005] Preferably, there are two limiting holes, and the outer wall of one end of the roadheader head is smaller than the inner wall of the docking hole.

[0006] Preferably, a cab is arranged on the outer side of the machine body, and the heat dissipation holes are evenly distributed on the outer wall of the machine body.

[0007] Preferably, the installation mechanism further includes a connection hole, a fixing hole, a limiting rod, a sliding plate, a sliding groove, a spring, a threaded groove, a nut and an inclined surface. A connection hole is formed at one end of the machine head. A fixing hole is penetratingly formed in the inner wall of the connection hole. A limiting rod is slidably connected inside the fixing hole. A sliding plate is fixedly connected to the outer side of the limiting rod. The sliding plate is slidably connected to the outer side of the sliding groove. A spring is fixedly connected to one side of the sliding plate. A threaded groove is formed on the outer side of one end of the limiting rod. A nut is threadedly connected to the outer side of the threaded groove. An inclined surface is formed at the other end of the limiting rod.

[0008] Preferably, the spring is sleeved on the outer side of the limiting rod, and the outer wall of the sliding plate fits with the inner wall of the sliding groove.

[0009] Preferably, the inner wall of the connection hole fits with the outer wall of the connection column.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the roadheader with a detachable roadheader head, during use, insert the machine head into the docking hole. During the process of inserting the machine head into the docking hole, it will contact the limiting rod. Through the inclined surface formed at one end of the limiting rod, the connection column will push the limiting rod to slide in the fixing hole, drive the sliding plate to slide in the sliding groove, and compress the spring. The outer wall of one end of the machine head is smaller than the inner wall of the docking hole. In this way, when installing the machine head, it is ensured that the limiting rod can slide into the limiting hole, and then the nut is threadedly connected to the limiting rod to install and fix the machine head, which is more convenient for installation and fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of the appearance of the present utility model;

[0012] Figure 2 is a schematic structural diagram of the cooperation between the machine arm and the limiting rod of the present utility model;

[0013] Figure 3 is a schematic structural diagram of the cooperation between the connection column and the connection hole of the present utility model;

[0014] Figure 4 For the present utility model Figure 3 is an enlarged structural diagram at A in.

[0015] In the figure: 1. Roadheader body; 2. Machine body; 3. Heat dissipation holes; 4. Crawler; 5. Cab; 6. Machine arm; 7. Installation mechanism; 701. Docking hole; 702. Connection column; 703. Limiting hole; 704. Machine head; 705. Connection hole; 706. Fixing hole; 707. Limiting rod; 708. Sliding plate; 709. Sliding groove; 710. Spring; 711. Threaded groove; 712. Nut; 713. Inclined surface. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0017] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limited conditions that can be implemented in this application. Therefore, they do not have technical essence. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.

[0018] Embodiment

[0019] Please refer to Figures 1-4 , a roadheader with a conveniently detachable roadheader head of the present invention: including a roadheader body 1, the roadheader body 1 includes a machine body 2, heat dissipation holes 3, crawlers 4 and a machine arm 6. Heat dissipation holes 3 are opened on the outer side of the machine body 2. Crawlers 4 are arranged below the machine body 2. A machine arm 6 is arranged at the front end of the machine body 2. An installation mechanism 7 is arranged at one end of the machine arm 6. The installation mechanism 7 includes a docking hole 701, a connecting column 702, a limiting hole 703 and a roadheader head 704. A docking hole 701 is opened at one end of the machine arm 6. A connecting column 702 is fixedly connected to the inner side of the docking hole 701. A limiting hole 703 is penetrated and opened on the inner side of the docking hole 701. The roadheader head 704 is inserted into the inner side of the docking hole 701. When in use, the roadheader head 704 is inserted into the docking hole 701, and by stacking, the installation can be carried out more conveniently and quickly.

[0020] In order to facilitate the installation of the roadheader head 704, two limiting holes 703 are provided. The outer wall of one end of the roadheader head 704 is smaller than the inner wall of the docking hole 701. By the outer wall of one end of the roadheader head 704 being smaller than the inner wall of the docking hole 701, when installing the roadheader head 704, it is ensured that the limiting rod 707 can slide into the limiting hole 703.

[0021] In order to facilitate the heat dissipation of the machine body 2, a cab 5 is arranged on the outer side of the machine body 2. The heat dissipation holes 3 are evenly distributed on the outer wall of the machine body 2. Through the arrangement of a plurality of heat dissipation holes 3, better heat dissipation can be achieved.

[0022] To facilitate the fixation of the machine head 704, the installation mechanism 7 further includes a connection hole 705, a fixing hole 706, a limiting rod 707, a sliding plate 708, a sliding groove 709, a spring 710, a threaded groove 711, a nut 712, and an inclined surface 713. A connection hole 705 is opened at one end of the machine head 704. A fixing hole 706 is penetratingly opened in the inner wall of the connection hole 705. A limiting rod 707 is slidably connected inside the fixing hole 706. A sliding plate 708 is fixedly connected to the outer side of the limiting rod 707. The sliding plate 708 is slidably connected to the sliding groove 709. A spring 710 is fixedly connected to one side of the sliding plate 708. A threaded groove 711 is opened on the outer side of one end of the limiting rod 707. A nut 712 is threadedly connected to the outer side of the threaded groove 711. An inclined surface 713 is opened at the other end of the limiting rod 707. During the process of inserting the machine head 704 into the docking hole 701, it will contact the limiting rod 707. Through the inclined surface 713 opened at one end of the limiting rod 707, the connecting column 702 will push the limiting rod 707 to slide in the fixing hole 706, drive the sliding plate 708 to slide in the sliding groove 709, and compress the spring 710. And the outer wall of one end of the machine head 704 is smaller than the inner wall of the docking hole 701. In this way, when installing the machine head 704, it is ensured that the limiting rod 707 can slide into the limiting hole 703, and then the nut 712 is threadedly connected to the limiting rod 707 to install and fix the machine head 704.

[0023] To facilitate the fixation of the machine head 704, the spring 710 is sleeved on the outer side of the limiting rod 707. The outer wall of the sliding plate 708 fits with the inner wall of the sliding groove 709. Through the setting of the spring 710, during the use process, the telescopic movement of the limiting rod 707 can be more convenient, and in this way, it can ensure more convenient installation.

[0024] To facilitate the fixation of the machine head 704, the inner wall of the connection hole 705 fits with the outer wall of the connecting column 702. Through the fitting of the inner wall of the connection hole 705 with the outer wall of the connecting column 702, the connection can be made more stable.

[0025] Working principle: During use, insert the machine head 704 into the docking hole 701. During the process of inserting the machine head 704 into the docking hole 701, it will contact the limiting rod 707. Through the inclined surface 713 opened at one end of the limiting rod 707, the connecting column 702 will push the limiting rod 707 to slide in the fixing hole 706, drive the sliding plate 708 to slide in the sliding groove 709, and compress the spring 710. And the outer wall of one end of the machine head 704 is smaller than the inner wall of the docking hole 701. In this way, when installing the machine head 704, it is ensured that the limiting rod 707 can slide into the limiting hole 703, and then the nut 712 is threadedly connected to the limiting rod 707 to install and fix the machine head 704. The tunneling machine body model is: EBZ45.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A tunnel boring machine with a conveniently disassembled tunnel boring machine head, comprising a tunnel boring machine body (1), wherein the tunnel boring machine body (1) comprises a machine body (2), a heat dissipation hole (3), a crawler (4) and a machine arm (6), characterized in that: A heat dissipation hole (3) is provided on the outer side of the machine body (2); a crawler (4) is provided below the machine body (2); an arm (6) is provided at the front end of the machine body (2); a mounting mechanism (7) is provided at one end of the arm (6); the mounting mechanism (7) comprises a docking hole (701), a connecting column (702), a limiting hole (703) and a machine head (704); a docking hole (701) is provided at one end of the arm (6); a connecting column (702) is fixedly connected to the inner side of the docking hole (701); a limiting hole (703) is provided through the inner side of the docking hole (701); and a machine head (704) is plugged into the inner side of the docking hole (701).

2. A tunnel boring machine with an easily disassembled tunnel boring machine head according to claim 1, characterized in that: Two limiting holes (703) are provided, and the outer wall of one end of the machine head (704) is smaller than the inner wall of the docking hole (701).

3. A tunnel boring machine with an easily disassembled tunnel boring machine head according to claim 1, characterized in that: A driving cab (5) is arranged on the outside of the machine body (2), and the heat dissipation holes (3) are distributed at equal intervals on the outer wall of the machine body (2).

4. A tunnel boring machine with an easily disassembled tunnel boring machine head according to claim 1, characterized in that: The mounting mechanism (7) further comprises a connecting hole (705), a fixing hole (706), a limiting rod (707), a slide plate (708), a slide groove (709), a spring (710), a threaded groove (711), a nut (712) and an inclined surface (713); a connecting hole (705) is provided at one end of the machine head (704); a fixing hole (706) is provided through the inner wall of the connecting hole (705); the fixing hole (706) is slidably connected to the limiting rod inside the fixing hole (706); (707), a slide plate (708) is fixedly connected to the outer side of the limiting rod (707), a slide groove (709) is slidably connected to the outer side of the slide plate (708), a spring (710) is fixedly connected to one side of the slide plate (708), a thread groove (711) is provided on the outer side of one end of the limiting rod (707), a nut (712) is threadedly connected to the outer side of the thread groove (711), and an inclined surface (713) is provided on the other end of the limiting rod (707).

5. A tunnel boring machine with an easily disassembled tunnel boring machine head according to claim 4, characterized in that: The spring (710) is sleeved on the outer side of the limiting rod (707), and the outer wall of the slide plate (708) is in contact with the inner wall of the slide groove (709).

6. The tunnel boring machine with a conveniently disassembled tunnel boring machine head according to claim 4, characterized in that: The inner wall of the connecting hole (705) fits the outer wall of the connecting column (702).

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