Tunnel steel arch I-steel cutting device

Abstract

The utility model discloses a tunnel steel arch I-shaped steel cutting device which comprises an adjusting base, a mounting bottom plate is connected to the adjusting base in a sliding mode, a lifting machine is mounted on the mounting bottom plate and connected with a first driving mechanism, the first driving mechanism is connected with a saw blade, and the saw blade is connected with a cutting device. The lifter is used for driving the first driving mechanism and the saw blade to do lifting motion, and the first driving mechanism is used for driving the saw blade to rotate so as to cut I-shaped steel. The cutting device can realize automatic cutting of I-shaped steel, is high in working efficiency and automation degree, and can realize continuous production of steel arches; cutting is smooth, and the flatness of the end face of the cut I-shaped steel can be guaranteed; according to the cutting device, the shielding effect is achieved through the first housing arranged at the upper end of the saw blade, the second housings arranged on the left side and the right side of the saw blade and the shielding brushes arranged on the front side and the rear side of the saw blade, and the situation that normal work of other equipment and environment cleanliness are affected due to cutting splashing is avoided.

Description

Technical Field

[0001] The utility model relates to an I-beam cutting device for a tunnel steel arch frame, belonging to the technical field of steel arch frame production. Background Art

[0002] Steel arch is a support measure that uses bent I-beams to reinforce underground projects. It can be combined with anchor rods, shotcrete and steel mesh to form a composite support arch, which is widely used in tunnels, subways, hydropower stations, underground caverns and other projects. During the production process of steel arch, the entire I-beam needs to be cut to a size that meets the construction requirements.

[0003] However, most of the existing technologies use manual cutting to cut the I-beams of the steel arch frame. The manual cutting method has a large workload, high labor cost, low work efficiency, low automation, and cannot achieve continuous production of steel arch frames. In addition, the manual cutting method cannot ensure the flatness of the end face of the I-beam after cutting, and the cutting effect is not good, which affects the subsequent end face welding connection plate of the I-beam.

[0004] Moreover, even if a cutting machine is used to cut the steel arch frame I-beam in the prior art, a large amount of flying chips will be generated, which will not only easily splash into the other equipment of the steel arch frame production line, thereby affecting the normal operation of the other equipment, but also cause the chips to easily splash onto the ground, affecting the cleanliness of the on-site environment. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a tunnel steel arch frame I-beam cutting device, which has a shielding effect through a first cover shell arranged on the upper end of the saw blade, a second cover shell arranged on the left and right sides of the saw blade, and shielding brushes arranged on the front and rear sides of the saw blade, thereby avoiding cutting splashes that affect the normal operation of other equipment and the cleanliness of the environment.

[0006] The utility model provides a tunnel steel arch frame I-beam cutting device, comprising an adjusting base, a mounting base being slidably connected to the adjusting base, a lift being installed on the mounting base, the lift being connected to a first driving mechanism, the first driving mechanism being connected to a saw blade, the lift being used to drive the first driving mechanism and the saw blade to perform lifting motion, and the first driving mechanism being used to drive the saw blade to rotate to cut the I-beam.

[0007] In one embodiment of the utility model, a first guide rail is installed on the adjustment base, a first slider is connected under the mounting base, and the first slider is slidably connected to the first guide rail; the adjustment base is fixedly connected to a limit plate, and the limit plate is located on one side of the mounting base.

[0008] In one embodiment of the present invention, the first driving mechanism is connected to a gear box, and the gear box is connected to the saw blade.

[0009] In one embodiment of the utility model, the mounting base is fixedly connected with an adjustment seat, the adjustment seat is fixedly connected with a lifting column, the elevator is installed on the lifting column, the gear box is fixedly connected with a connecting frame, and the connecting frame is slidably connected to the lifting column.

[0010] In an embodiment of the present utility model, the lift is connected to a connecting plate located in the lifting column, the lifting column is provided with a slot, and the connecting plate passes through the slot and is fixedly connected to the connecting frame.

[0011] In an embodiment of the present utility model, second guide rails are arranged on both sides of the lifting column, and second sliders are arranged on both sides of the connecting frame, and the second sliders are slidably connected to the second guide rails.

[0012] In one embodiment of the utility model, a second driving mechanism is installed on the mounting base plate, the second driving mechanism is connected to the first pressure roller seat, a first pressure roller is arranged in the first pressure roller seat, and the second driving mechanism is used to drive the first pressure roller seat and the first pressure roller to move; an adjusting screw is arranged in the adjusting seat, the end of the adjusting screw is connected to the second pressure roller seat, a second pressure roller is arranged in the second pressure roller seat, and the first pressure roller and the second pressure roller are arranged opposite to each other.

[0013] In one embodiment of the utility model, the gear box is connected to a first cover shell, which covers the upper end of the saw blade; a second cover shell is installed on the mounting base plate, and two of the second cover shells are located on both sides of the I-beam and cover the outside of the saw blade.

[0014] In one embodiment of the utility model, a shielding brush is installed between the two second cover shells, and the shielding brush is provided with a plurality of brushes. The two shielding brushes are arranged on both sides below the saw blade, and the I-beam is in contact with the plurality of brushes provided with the shielding brush and can move in the shielding brush.

[0015] In one embodiment of the utility model, a roller is arranged between the two second cover shells, and the I-beam is mounted on the roller.

[0016] The utility model has the following beneficial effects:

[0017] The tunnel steel arch frame I-beam cutting device provided by the utility model can realize the automatic cutting of I-beams to process them into sizes that meet the construction requirements, with high work efficiency and high degree of automation, and can realize the continuous production of steel arch frames; and the cutting is smooth, which can ensure the flatness of the end face of the I-beam after cutting, so as to facilitate the subsequent end face welding of the connecting plate of the I-beam. The cutting device plays a shielding role through the first cover shell set at the upper end of the saw blade, the second cover shell set on the left and right sides of the saw blade, and the shielding brushes set on the front and back sides of the saw blade, thereby avoiding the cutting splash and affecting the normal operation of other equipment and the cleanliness of the environment. In addition, the cutting device can adjust the position of the second pressure roller seat and the second pressure roller relative to the adjustment seat by adjusting the screw rod, and drive the first pressure roller seat and the first pressure roller to move by the second driving mechanism, so that the first pressure roller moves toward the second pressure roller, so that the first pressure roller and the second pressure roller can clamp the I-beam to achieve the clamping and fixing of the I-beam, and avoid the problem of inaccurate cutting size and uneven cutting surface caused by the shaking and displacement of the I-beam during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A stereoscopic diagram of the tunnel steel arch I-beam cutting device provided by the utility model from a first perspective.

[0019] Figure 2 A stereoscopic diagram of the tunnel steel arch I-beam cutting device provided by the utility model from a second viewing angle.

[0020] Figure 3 A stereoscopic diagram of the tunnel steel arch I-beam cutting device provided by the utility model from a third viewing angle.

[0021] Figure 4 A three-dimensional diagram of the partial structure of the tunnel steel arch I-beam cutting device provided by the utility model.

[0022] Figure 5 A three-dimensional diagram from another perspective of the partial structure of the tunnel steel arch I-beam cutting device provided by the utility model.

[0023] Figure 6 This is a schematic diagram of the tunnel steel arch I-beam cutting device provided by the utility model when it is working.

[0024] Figure 7 The utility model is a schematic diagram of another perspective of the tunnel steel arch frame I-beam cutting device when it is working.

[0025] In the figure: 1. adjustment base; 2. first guide rail; 3. first pressure roller; 4. mounting base plate; 5. second pressure roller; 6. adjustment seat; 7. second pressure roller seat; 8. lifting column; 9. connecting frame; 10. notch; 11. lifter; 12. first drive mechanism; 13. first cover shell; 14. saw blade; 15. second cover shell; 16. shielding brush; 17. first pressure roller seat; 18. second drive mechanism; 19. gear box; 20. second guide rail; 21. first slider; 22. second slider; 23. adjustment screw; 24. roller; 25. limit plate; 26. I-beam; 27. connecting plate. DETAILED DESCRIPTION

[0026] 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 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.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] like Figure 1-7As shown, this embodiment provides a tunnel steel arch I-beam cutting device, which in some embodiments includes an adjusting base 1, a mounting base 4 is slidably connected to the adjusting base 1, a lift 11 is installed on the mounting base 4, the lift 11 is connected to a first driving mechanism 12, the first driving mechanism 12 is connected to a saw blade 14, the lift 11 is used to drive the first driving mechanism 12 and the saw blade 14 to do lifting and lowering motion, and the first driving mechanism 12 is used to drive the saw blade 14 to rotate to cut the I-beam 26.

[0030] In some embodiments, a first guide rail 2 is installed on the adjustment base 1, and a first slider 21 is connected below the mounting base 4, and the first slider 21 is slidably connected to the first guide rail 2; the adjustment base 1 is fixedly connected to a limiting plate 25, and the limiting plate 25 is located on one side of the mounting base 4.

[0031] In this embodiment, the mounting base 4 moves on the first guide rail 2 on the adjustment base 1 through the first slider 21, and the movement of the mounting base 4 is limited by the limit plate 25 fixedly connected to the adjustment base 1. By moving the mounting base 4 on the adjustment base 1, the position between the saw blade 14 and the I-beam 26 can be adjusted, so that the saw blade 14 can be located directly above the I-beam 26, so as to facilitate the cutting operation of the I-beam 26.

[0032] In some embodiments, the first driving mechanism 12 is connected to a gear box 19, and the gear box 19 is connected to the saw blade 14. The first driving mechanism 12 drives the saw blade 14 to rotate through the gear box 19 to cut the I-beam 26. Exemplarily, the first driving mechanism 12 is a motor.

[0033] In some embodiments, the mounting base 4 is fixedly connected to an adjustment seat 6, the adjustment seat 6 is fixedly connected to a lifting column 8, the elevator 11 is installed on the lifting column 8, the gear box 19 is fixedly connected to a connecting frame 9, and the connecting frame 9 is slidably connected to the lifting column 8.

[0034] Furthermore, the lift 11 is connected to a connecting plate 27 located inside the lifting column 8 , the lifting column 8 is provided with a slot 10 , and the connecting plate 27 passes through the slot 10 and is fixedly connected to the connecting frame 9 .

[0035] Furthermore, second guide rails 20 are provided on both sides of the lifting column 8 , and second sliders 22 are provided on both sides of the connecting frame 9 , and the second sliders 22 are slidably connected to the second guide rails 20 .

[0036] In this embodiment, the connecting plate 27 passes through the notch 10 provided in the lifting column 8 and is fixedly connected to the connecting frame 9. When the elevator 11 drives the connecting plate 27 in the lifting column 8 to perform lifting movement, the connecting plate 27 is fixedly connected to the connecting frame 9, and the connecting frame 9 is fixedly connected to the gear box 19, so that the elevator 11 drives the gear box 19, the first drive mechanism 12 and the sawtooth 14 to perform lifting movement to cut the I-beam 26. The connecting frame 9 slides on the second guide rails 20 on both sides of the lifting column 8 through the second slider 22, providing a guiding effect for the connecting frame 9, the gear box 19, the first drive mechanism 12 and the sawtooth 14 when performing lifting movement, so that the movement is more stable. For example, the elevator 11 is a worm gear screw elevator.

[0037] In some embodiments, a second driving mechanism 18 is installed on the mounting base plate 4, and the second driving mechanism 18 is connected to the first pressure roller seat 17, and the first pressure roller 3 is arranged in the first pressure roller seat 17, and the second driving mechanism 18 is used to drive the first pressure roller seat 17 and the first pressure roller 3 to move; an adjusting screw rod 23 is arranged in the adjusting seat 6, and the end of the adjusting screw rod 23 is connected to the second pressure roller seat 7, and the second pressure roller 5 is arranged in the second pressure roller seat 7, and the first pressure roller 3 and the second pressure roller 5 are arranged opposite to each other.

[0038] In this embodiment, the position of the second roller seat 7 and the second roller 5 relative to the adjustment seat 6 can be adjusted by adjusting the screw rod 23, and the first roller seat 17 and the first roller 3 are driven to move by the second driving mechanism 18, so that the first roller 3 moves toward the second roller 5, so that the first roller 3 and the second roller 5 can clamp the I-beam 26, so as to achieve the clamping and fixing of the I-beam 26, and avoid the shaking and displacement of the I-beam 26 during cutting, resulting in inaccurate cutting size and uneven cutting surface. Exemplarily, the second driving mechanism 18 is a linear motor or a cylinder.

[0039] In some embodiments, the gear box 19 is connected to a first cover shell 13 , which covers the upper end of the saw blade 14 ; a second cover shell 15 is installed on the mounting base plate 4 , and two second cover shells 15 are located on both sides of the I-beam 26 and cover the outside of the saw blade 14 .

[0040] Furthermore, a shielding brush 16 is installed between the two second cover shells 15 , and the shielding brush 16 is provided with a plurality of brushes. The two shielding brushes 16 are arranged on both sides below the saw blade 14 , and the I-beam 26 is in contact with the plurality of brushes provided on the shielding brush 16 and can move in the shielding brush 16 .

[0041] In this embodiment, since the shielding brush 16 is made of flexible material, the I-beam 26 can move in the shielding brush 16. When the saw blade 14 rotates to cut the I-beam 26, the shielding brushes 16 on the front and rear sides of the saw blade 14 shield the chips to avoid cutting splashes.

[0042] Furthermore, a roller 24 is provided between the two second housings 15 , and an I-beam 26 is mounted on the roller 24 . The I-beam 26 can move on the roller 24 .

[0043] When in use, the I-beam 26 is passed through the shielding brush 16 between the two second cover shells 15, and passed between the first pressure roller 3 and the second pressure roller 5. When the I-beam 26 enters the cutting position, the second drive mechanism 18 drives the first pressure roller seat 17 and the first pressure roller 3 to move toward the second pressure roller 5, so that the first pressure roller 3 and the second pressure roller 5 clamp and fix the I-beam 26. The first drive mechanism 12 drives the saw blade 14 to rotate through the gear box 19, and the elevator 11 drives the first drive mechanism 12, the gear box 19 and the saw blade 14 to descend, so that the rotating saw blade 14 cuts the I-beam 26. When cutting, the first cover shell 13 set at the upper end of the saw blade 14, the second cover shell 15 set on the left and right sides of the saw blade 14, and the shielding brush 16 set on the front and rear sides of the saw blade 14 play a shielding role together, avoiding cutting splashes that affect the normal operation of other equipment and the cleanliness of the environment.

[0044] The tunnel steel arch frame I-beam cutting device provided by the present application can realize the automatic cutting of the I-beam 26 to process it into the size that meets the construction requirements, with high work efficiency and high degree of automation, and can realize the continuous production of the steel arch frame; and the cutting is smooth, which can ensure the flatness of the end face of the I-beam after cutting, so as to facilitate the subsequent end face welding of the connecting plate of the I-beam. The cutting device plays a shielding role through the first cover 13 set on the upper end of the saw blade 14, the second cover 15 set on the left and right sides of the saw blade 14, and the shielding brush 16 set on the front and rear sides of the saw blade 14, so as to avoid cutting splashes that affect the normal operation of other equipment and the cleanliness of the environment.

[0045] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

[0047] The principles and implementation methods of the utility model are described in this article using specific examples. The description of the above examples is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A tunnel steel arch I-beam cutting device, characterized in that: It includes an adjusting base, which is slidably connected to a mounting base, a lift is installed on the mounting base, the lift is connected to a first driving mechanism, the first driving mechanism is connected to a saw blade, the lift is used to drive the first driving mechanism and the saw blade to perform lifting motion, and the first driving mechanism is used to drive the saw blade to rotate to cut the I-beam.

2. The tunnel steel arch I-beam cutting device according to claim 1, characterized in that: A first guide rail is installed on the adjustment base, a first slider is connected below the installation base, and the first slider is slidably connected to the first guide rail; the adjustment base is fixedly connected to a limit plate, and the limit plate is located on one side of the installation base.

3. The tunnel steel arch I-beam cutting device according to claim 2, characterized in that: The first driving mechanism is connected to a gear box, and the gear box is connected to the saw blade.

4. The tunnel steel arch I-beam cutting device according to claim 3 is characterized in that: The mounting base is fixedly connected with an adjusting seat, the adjusting seat is fixedly connected with a lifting column, the lift is mounted on the lifting column, the gear box is fixedly connected with a connecting frame, and the connecting frame is slidably connected with the lifting column.

5. The tunnel steel arch I-beam cutting device according to claim 4, characterized in that: The lift is connected with a connecting plate located in the lifting column, the lifting column is provided with a slot, and the connecting plate passes through the slot and is fixedly connected with the connecting frame.

6. The tunnel steel arch I-beam cutting device according to claim 5, characterized in that: Second guide rails are arranged on both sides of the lifting column, and second sliders are arranged on both sides of the connecting frame. The second sliders are slidably connected to the second guide rails.

7. The tunnel steel arch I-beam cutting device according to claim 6, characterized in that: A second driving mechanism is installed on the mounting base plate, the second driving mechanism is connected to the first pressure roller seat, the first pressure roller is arranged in the first pressure roller seat, and the second driving mechanism is used to drive the first pressure roller seat and the first pressure roller to move; an adjusting screw rod is arranged in the adjusting seat, the end of the adjusting screw rod is connected to the second pressure roller seat, the second pressure roller is arranged in the second pressure roller seat, and the first pressure roller and the second pressure roller are arranged opposite to each other.

8. The tunnel steel arch I-beam cutting device according to claim 7, characterized in that: The gear box is connected to a first cover shell, which covers the upper end of the saw blade; the mounting base plate is mounted with a second cover shell, and two of the second cover shells are located on both sides of the I-beam and cover the outside of the saw blade.

9. The tunnel steel arch I-beam cutting device according to claim 8, characterized in that: A shielding brush is installed between the two second cover shells. The shielding brush is provided with a plurality of brushes. The two shielding brushes are arranged on both sides below the saw blade. The I-beam contacts the plurality of brushes provided with the shielding brush and can move in the shielding brush.

10. The tunnel steel arch I-beam cutting device according to claim 8, characterized in that: A roller is arranged between the two second cover shells, and the I-beam is mounted on the roller.

Images