Track frame of mining heading machine

Abstract

The utility model relates to a crawler frame of a mining heading machine. The technical problem to be solved by the utility model is to provide the crawler frame of the mining heading machine. According to the technical scheme, the track frame comprises a track frame first cover plate, a track frame second cover plate, a first inner end plate, a second inner end plate, a main support first connecting plate, a main support second connecting plate and an interlocking block, the upper end of the first inner end plate and the upper end of the second inner end plate are each provided with an end plate reinforcing part, and reinforcing part limiting notches are formed in the end plate reinforcing parts; and first end plate fastening holes are formed in the middle of the first inner end plate and the middle of the second inner end plate at intervals. The crawler frame has the advantages that the crawler frame adopts a split structure, so that the size of the crawler frame component is reduced, the cost is effectively reduced, and the later transportation is facilitated; the interlocking block can enhance the overall strength of the first inner end plate and the second inner end plate, and the connection tightness of all components is effectively improved through horizontal, front-back and vertical three-way bolt connection.

Description

Technical Field

[0001] The utility model relates to a crawler frame of a mining tunneling machine. Background Art

[0002] The roadheader is a machine used to dig straight underground tunnels. The traveling mechanism, working mechanism, loading mechanism and transfer mechanism constitute the entire roadheader. The crawler frame is a very important component of the roadheader, which is used to support the traveling mechanism of the entire roadheader. The existing large-tonnage crawler frame has a large wheelbase and a large overall size. In order to maintain the firmness and stability of the structure, the large-tonnage crawler frame adopts an integrated structure, which makes the processing cost expensive and inconvenient for later transportation. Improvements and optimizations are made for this. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a crawler frame of a mining roadheader.

[0004] The technical solution adopted by the crawler frame of the utility model for a mining tunneling machine is characterized by: a first cover plate of the crawler frame, a second cover plate of the crawler frame, a first inner end plate arranged at the end of the first cover plate of the crawler frame, a second inner end plate arranged at the end of the second cover plate of the crawler frame and connected to the first inner end plate, a first connecting plate of the main bracket arranged at the side of the first cover plate of the crawler frame, a second connecting plate of the main bracket arranged at the side of the second cover plate of the crawler frame, and an interlocking block, the upper ends of the first inner end plate and the second inner end plate are both provided with end plate reinforcement parts, the end plate reinforcement parts are provided with reinforcement part limiting recesses, the first inner end plate and the second inner end plate are spaced apart in the middle parts with first end plate fastening holes that are connected to each other, and the ends of the first cover plate of the crawler frame and the second cover plate of the crawler frame are both provided with cover plate limiting holes corresponding to the reinforcement part limiting recesses;

[0005] The interlocking block includes a horizontal docking portion of the interlocking block that is in contact with the end plate reinforcement portion, and a vertical docking portion of the interlocking block that is in contact with the first connecting plate of the main bracket and the second connecting plate of the main bracket. Both ends of the horizontal docking portion of the interlocking block are provided with interlocking block limiting protrusions that pass through the limiting recess of the reinforcement portion and are connected to the limiting hole of the cover plate. The vertical docking portion of the interlocking block is provided with a first fastening hole of the interlocking block, and the ends of the first connecting plate of the main bracket and the second connecting plate of the main bracket are both provided with connecting plate fastening holes that are connected to the first fastening hole of the interlocking block.

[0006] The first inner end plate and the second inner end plate are respectively provided with a first positioning recess and a second positioning recess at the front and rear ends, and the first cover plate of the track frame and the second cover plate of the track frame are both provided with a first positioning protrusion of the cover plate connected to the first positioning recess and a second positioning protrusion of the cover plate connected to the second positioning recess, and the second positioning protrusion of the cover plate is provided with the cover plate limiting hole.

[0007] The rear ends of the first inner end plate and the second inner end plate are both provided with end plate positioning protrusions, and the ends of the first connecting plate of the main bracket and the second connecting plate of the main bracket are both provided with connecting plate positioning recesses corresponding to the end plate positioning protrusions.

[0008] The horizontal docking portion of the interlocking block is provided with a second fastening hole of the interlocking block, and the end plate reinforcement portion is provided with a second fastening hole of the end plate corresponding to the second fastening hole of the interlocking block.

[0009] The number of the first fastening holes of the interlocking block is 4, and the first connecting plate of the main bracket and the second connecting plate of the main bracket are both provided with 2 connecting plate fastening holes.

[0010] The advantages of the crawler frame of a mining tunneling machine of the utility model are: the crawler frame adopts a split structure, which reduces the volume of the crawler frame components, effectively reduces the cost and facilitates later transportation; the interlocking block can strengthen the overall strength of the first inner end plate and the second inner end plate, adopts horizontal, front and back, and vertical three-way bolt connection and is positioned by the interlocking block limiting protrusion and the end plate positioning protrusion, which effectively improves the connection tightness between the components, has a good interlocking effect, high connection strength, and the product is stable and reliable after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Figure 1 It is a structural schematic diagram of a crawler frame of a mining tunneling machine of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the first inner end plate of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the first cover plate of the crawler frame of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the interlocking block of the utility model;

[0016] Figure 5 It is a structural schematic diagram of the first connecting plate of the main bracket of the utility model. DETAILED DESCRIPTION

[0017] like Figure 1-5As shown, the utility model relates to a crawler frame of a mining tunneling machine, a first cover plate 1 of the crawler frame, a second cover plate 2 of the crawler frame, a first inner end plate 3 arranged at the end of the first cover plate 1 of the crawler frame, a second inner end plate 4 arranged at the end of the second cover plate 2 of the crawler frame and docking with the first inner end plate 3, a first connecting plate 5 of the main bracket arranged at the side of the first cover plate 1 of the crawler frame, a second connecting plate 6 of the main bracket arranged at the side of the second cover plate 2 of the crawler frame, and an interlocking block 7, wherein the first inner end plate 3 and the The upper end of the second inner end plate 4 is provided with an end plate reinforcement part 10, and the end plate reinforcement part 10 is provided with a reinforcement part limiting recess 11. The first inner end plate 3 and the second inner end plate 4 are provided with mutually docking end plate first fastening holes 14 at intervals in the middle, and the first cover plate 1 of the crawler frame and the second cover plate 2 of the crawler frame are provided with cover plate limiting holes 18 corresponding to the reinforcement part limiting recess 11; the interlocking block 7 includes an interlocking block horizontal docking part that fits the end plate reinforcement part 10. 20. The interlocking block vertical docking part 22 is fitted with the first connecting plate 5 of the main bracket and the second connecting plate 6 of the main bracket. Both ends of the interlocking block horizontal docking part 20 are provided with interlocking block limiting protrusions 21 that pass through the limiting recess 11 of the reinforcement part and are connected with the limiting hole 18 of the cover plate. The interlocking block vertical docking part 22 is provided with an interlocking block first fastening hole 23. The first connecting plate 5 of the main bracket and the second connecting plate 6 of the main bracket are both provided with connecting plate fastening holes 24 that are connected with the first fastening holes 23 of the interlocking block. The track frame adopts a split structure, which reduces the volume size of the track frame components, effectively reduces costs and facilitates later transportation; the interlocking block 7 can strengthen the connection strength of the first inner end plate 3 and the second inner end plate 4, adopts horizontal and front and rear bidirectional bolts to connect and is positioned by the interlocking block limiting protrusion 21, which effectively improves the connection tightness between the components, has a good interlocking effect, high connection strength, and is stable and reliable after installation.

[0018] The first inner end plate 3 and the second inner end plate 4 are respectively provided with a first positioning recess 12 and a second positioning recess 13 at the front and rear ends, and the first cover plate 1 of the track frame and the second cover plate 2 of the track frame are both provided with a first positioning protrusion 16 of the cover plate connected to the first positioning recess 12 and a second positioning protrusion 17 of the cover plate connected to the second positioning recess 13. The second positioning protrusion 17 of the cover plate is provided with the cover plate limiting hole 18, so as to further strengthen the linkage between the first inner end plate 3 and the first cover plate 1 of the track frame, and the second inner end plate 4 and the second cover plate 2 of the track frame.

[0019] The rear ends of the first inner end plate 3 and the second inner end plate 4 are both provided with end plate positioning protrusions 25, and the ends of the first connecting plate 5 of the main bracket and the second connecting plate 6 of the main bracket are both provided with connecting plate positioning recesses 26 corresponding to the end plate positioning protrusions 25. Positioning is performed through the end plate positioning protrusions 25 to further strengthen the connection tightness between the components.

[0020] The interlocking block horizontal docking portion 20 is provided with an interlocking block second fastening hole 27, and the end plate reinforcement portion 10 is provided with an end plate second fastening hole 28 connected to the interlocking block second fastening hole 27. Vertical bolts are used for connection, so that the docking point has a three-way connection, and the connection is tight and firm.

[0021] The number of the first fastening holes 23 of the interlocking block is four, and the first connecting plate 5 of the main bracket and the second connecting plate 6 of the main bracket are each provided with two connecting plate fastening holes 24 .

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. A crawler frame for a mining tunneling machine, characterized in that: A first cover plate (1) of a crawler frame, a second cover plate (2) of a crawler frame, a first inner end plate (3) arranged at the end of the first cover plate (1) of the crawler frame, a second inner end plate (4) arranged at the end of the second cover plate (2) of the crawler frame and butted with the first inner end plate (3), a first connecting plate (5) of a main bracket arranged at the side of the first cover plate (1) of the crawler frame, a second connecting plate (6) of a main bracket arranged at the side of the second cover plate (2) of the crawler frame, and an interlocking block (7); the upper ends of the first inner end plate (3) and the second inner end plate (4) are both provided with an end plate reinforcement portion (10); the end plate reinforcement portion (10) is provided with a reinforcement portion limiting recess (11); the middle parts of the first inner end plate (3) and the second inner end plate (4) are provided with end plate first fastening holes (14) butted with each other at intervals; the ends of the first cover plate (1) and the second cover plate (2) of the crawler frame are both provided with cover plate limiting holes (18) corresponding to the reinforcement portion limiting recess (11); The interlocking block (7) comprises an interlocking block horizontal docking portion (20) fitted with the end plate reinforcement portion (10), and an interlocking block vertical docking portion (22) fitted with the main bracket first connecting plate (5) and the main bracket second connecting plate (6); both ends of the interlocking block horizontal docking portion (20) are provided with interlocking block limiting protrusions (21) passing through the reinforcement portion limiting recess (11) and corresponding to the cover plate limiting hole (18); the interlocking block vertical docking portion (22) is provided with an interlocking block first fastening hole (23); and the ends of the main bracket first connecting plate (5) and the main bracket second connecting plate (6) are both provided with connecting plate fastening holes (24) corresponding to the interlocking block first fastening hole (23).

2. The crawler frame of a mining tunneling machine according to claim 1, characterized in that: The first inner end plate (3) and the second inner end plate (4) are respectively provided with a first positioning recess (12) and a second positioning recess (13) at the front and rear ends thereof; the first cover plate (1) of the crawler frame and the second cover plate (2) of the crawler frame are both provided with a first cover plate positioning protrusion (16) connected to the first positioning recess (12) and a second cover plate positioning protrusion (17) connected to the second positioning recess (13); and the cover plate limiting hole (18) is provided on the second cover plate positioning protrusion (17).

3. The crawler frame of a mining tunneling machine according to claim 1, characterized in that: The first inner end plate (3) and the second inner end plate (4) are each provided with an end plate positioning protrusion (25) at their rear ends, and the main bracket first connecting plate (5) and the main bracket second connecting plate (6) are each provided with a connecting plate positioning recess (26) corresponding to the end plate positioning protrusion (25).

4. The crawler frame of a mining tunneling machine according to claim 1, characterized in that: The interlocking block horizontal docking portion (20) is provided with an interlocking block second fastening hole (27), and the end plate reinforcement portion (10) is provided with an end plate second fastening hole (28) that is connected to the interlocking block second fastening hole (27).

5. The crawler frame of a mining tunneling machine according to claim 1, characterized in that: The number of the interlocking block first fastening holes (23) is four, and the main bracket first connecting plate (5) and the main bracket second connecting plate (6) are each provided with two connecting plate fastening holes (24).

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