Reinforced beam of heading machine

Abstract

The utility model discloses a reinforced beam of a heading machine. According to the technical scheme, the cross beam comprises a cross beam body and a rear frame arranged at the rear end of the cross beam body, the cross beam body is connected with a second U-shaped flange plate welded to the front end of the rear frame through a first U-shaped flange plate welded to the rear end of the cross beam body, a boss is arranged in the middle of the first U-shaped flange plate, and a set of first screw holes are formed in the two sides of the boss correspondingly. A first groove matched with the boss and a second screw hole matched with the first screw hole are formed in the middle of the second U-shaped flange plate, and the rear frame comprises a square beam, triangular hinge seats welded to the two ends of the square beam and a traction ring connected to the middle of the square beam. And a reinforcing plate is welded between the second U-shaped flange plate and the square beam.

Description

Technical Field

[0001] The utility model belongs to the field of mining tunneling machines, and in particular relates to a tunneling machine crossbeam. Background Art

[0002] TBMs play a vital role in underground mining operations, serving as crucial equipment for improving mining efficiency and ensuring construction safety. The front crossbeam of a mining roadheader serves as a key connecting component. Its front flange connects to the machine body, its rear end connects to the slewing frame, and its underside connects to the support legs, providing support and stability for the entire machine. The electrical control box and hydraulic system are mounted on both sides of the top. This places high demands on the welding and bearing capacity of the front crossbeam itself. However, conventional front crossbeams are weak and cannot meet the current high-strength requirements of mining roadheaders. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a reinforced roadheader cross beam.

[0004] To solve the above problems, the technical solution adopted by the present invention includes: a crossbeam body and a rear frame arranged at the rear end of the crossbeam body, characterized in that: the crossbeam body is connected to a second U-shaped flange plate welded at the front end of the rear frame through a first U-shaped flange plate welded at the rear end, a boss is provided in the middle of the first U-shaped flange plate, and a group of first screw holes are provided on both sides corresponding to the boss, a first groove matching the boss and a second screw hole adapted to the first screw hole are provided in the middle of the second U-shaped flange plate, the rear frame includes a square beam, a triangular hinge seat welded to both ends of the square beam and a traction ring connected to the middle of the square beam, and a reinforcing plate is welded between the second U-shaped flange plate and the square beam.

[0005] The reinforced tunnel boring machine crossbeam is characterized in that the lower end of the triangular hinged seat is hinged to the rear support leg and the upper end is hinged to the oil cylinder, the output shaft of the oil cylinder is hinged to the rear end of the rear support leg, the rear end of the rear support leg is provided with a support surface, and a group of ground nails are welded on the support surface.

[0006] The reinforced tunnel boring machine cross beam is characterized in that: the square beam is installed with a traction ring through a traction seat, the traction seat includes a traction front seat and a traction rear seat, the traction front seat is welded to a first square blue plate at the rear end and a second square blue plate welded to the front end of the traction rear seat, the upper end of the first square blue plate is welded with an L-shaped positioning block, the upper end of the second square blue plate is provided with a second groove which is positioned and matched with the L-shaped positioning block, and the traction ring is welded to the end of the traction rear seat.

[0007] The reinforced roadheader crossbeam is characterized in that an electric control box support seat is welded to the triangular hinge seat on one side.

[0008] The reinforced roadheader crossbeam is characterized in that shaft sleeves are welded to the side walls on both sides of the rear end of the rear support leg, and are connected to the output shaft of the oil cylinder through the shaft sleeves.

[0009] The reinforced roadheader cross beam is characterized in that the square beam is formed by welding square steel plates, and V-shaped welding grooves are provided at the connection points of adjacent square steel plates.

[0010] The advantages of the reinforced tunnel boring machine crossbeam of the present invention are as follows: 1. The crossbeam body and the rear frame are connected by a U-shaped flange plate with a positioning structure, which greatly improves the connection strength and stability between the two; 2. The strength of the tunnel boring machine crossbeam is improved by improving the welding stability of the main stress-bearing points.

[0011] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of the reinforced crossbeam of the tunnel boring machine of the present invention;

[0013] Figure 2 It is a structural diagram of the beam body of the utility model;

[0014] Figure 3 This is a front structural diagram of the rear frame of the utility model;

[0015] Figure 4 It is a schematic diagram of the bottom structure of the rear frame of the utility model. DETAILED DESCRIPTION

[0016] Reference Figure 1-4 As shown, the reinforced tunnel boring machine crossbeam of the present invention includes a crossbeam body 1 and a rear frame 2 arranged at the rear end of the crossbeam body 1. The crossbeam body 1 is connected to the second U-shaped flange plate 4 welded at the front end of the rear frame 2 through a first U-shaped flange plate 3 welded at the rear end. A boss 5 is provided in the middle of the first U-shaped flange plate 3, and a group of first screw holes 6 are provided on both sides of the first U-shaped flange plate 3 corresponding to the boss 5. A first groove 7 that cooperates with the boss 5 and a second screw hole 8 that adapts to the first screw hole 6 are provided in the middle of the second U-shaped flange plate 4. The rear frame 2 includes a square beam 9, a triangular hinge seat 10 welded to both ends of the square beam 9, and a traction ring 11 connected to the middle of the square beam 9. A reinforcing plate 12 is welded between the second U-shaped flange plate 4 and the square beam 9 to further improve the strength of the second U-shaped flange plate 4.

[0017] Preferably, the lower end of the triangular hinged seat 10 is hingedly connected to a rear leg 13, and the upper end of the triangular hinged seat 10 is hingedly connected to a cylinder 14, the output shaft of the cylinder 14 being hingedly connected to the rear end of the rear leg 13. The rear end of the rear leg 13 is provided with a support surface 15, to which a set of ground spikes 16 are welded. The connection between the triangular hinged seat 10 and the rear leg 13 greatly improves the load-bearing strength.

[0018] Preferably, the square beam 9 is installed with a traction ring 11 through a traction seat 17. The traction seat 17 includes a traction front seat 18 and a traction rear seat 19. The traction front seat 18 is connected by a first square blue plate 20 welded to the rear end and a second square blue plate 21 welded to the front end of the traction rear seat 19. An L-shaped positioning block 22 is welded to the upper end of the first square blue plate 20, and a second groove 23 is provided at the upper end of the second square blue plate 21 to be positioned and matched with the L-shaped positioning block 22. The traction ring 11 is welded to the end of the traction rear seat 19. Through the above structure, the traction ring 11 can be replaced to adapt to different specifications of tunnel boring machines. In addition, the traction front seat 18 and the traction rear seat 19 are connected by a square blue plate with an L-shaped positioning block, which can greatly improve the connection strength and stability.

[0019] Preferably, an electric control box support seat 24 is welded on the triangular hinge seat 10 on one side. The electric control box is installed on the electric control box support seat 24 to facilitate the installation of the electric control box.

[0020] Preferably, shaft sleeves 25 are welded to the side walls on both sides of the rear end of the rear support leg 13, and are connected to the output shaft of the oil cylinder 14 through the shaft sleeves 25 to improve the strength of the rear support leg 13.

[0021] Preferably, the square beam 9 is welded by square steel plates 26, and a V-shaped welding groove 27 is provided at the connection between adjacent square steel plates 26. By welding in the V-shaped welding groove 27, the solder is better accumulated and attached, thereby improving the welding strength.

[0022] As mentioned above, this does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this profession can make some changes or modifications to the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A reinforced roadheader beam, comprising a beam body (1) and a rear frame (2) arranged at the rear end of the beam body (1), characterized in that: The crossbeam body (1) is connected to a second U-shaped flange plate (4) welded to the front end of the rear frame (2) through a first U-shaped flange plate (3) welded to the rear end, a boss (5) is provided in the middle of the first U-shaped flange plate (3), and a group of first screw holes (6) are provided on both sides of the boss (5), a first groove (7) matched with the boss (5) and a second screw hole (8) adapted to the first screw hole (6) are provided in the middle of the second U-shaped flange plate (4), the rear frame (2) comprises a square beam (9), a triangular hinge seat (10) welded to both ends of the square beam (9) and a traction ring (11) connected to the middle of the square beam (9), and a reinforcing plate (12) is welded between the second U-shaped flange plate (4) and the square beam (9).

2. The reinforced roadheader beam according to claim 1, characterized in that: The lower end of the triangular hinge seat (10) is hinged to a rear support leg (13), and the upper end is hinged to an oil cylinder (14). The output shaft of the oil cylinder (14) is hinged to the rear end of the rear support leg (13). The rear end of the rear support leg (13) is provided with a support surface (15), and a group of ground nails (16) are welded to the support surface (15).

3. The reinforced roadheader crossbeam according to claim 1, characterized in that: The square beam (9) is mounted with a traction ring (11) via a traction seat (17). The traction seat (17) comprises a traction front seat (18) and a traction rear seat (19). The traction front seat (18) is connected to the traction rear seat (19) by a first square blue plate (20) welded to the rear end and a second square blue plate (21) welded to the front end of the traction rear seat (19). An L-shaped positioning block (22) is welded to the upper end of the first square blue plate (20). A second groove (23) for positioning and matching with the L-shaped positioning block (22) is provided at the upper end of the second square blue plate (21). The traction ring (11) is welded to the end of the traction rear seat (19).

4. The reinforced roadheader crossbeam according to claim 2, characterized in that: An electric control box support seat (24) is welded to the triangular hinge seat (10) on one side.

5. The reinforced roadheader beam according to claim 2, characterized in that: Axle sleeves (25) are welded to the side walls on both sides of the rear end of the rear support leg (13), and are connected to the output shaft of the oil cylinder (14) through the shaft sleeves (25).

6. The reinforced roadheader crossbeam according to claim 1, characterized in that: The square beam (9) is formed by welding square steel plates (26), and V-shaped welding grooves (27) are provided at the connection points of adjacent square steel plates (26).

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