Blasting tube fixing device for tunnel blasting
The design of the lifting and fixing components solves the problem that traditional blasting tube fixing devices cannot adjust the height and adapt to different diameters. Height adjustment and diameter adaptability are achieved, and the flexibility and adaptability of tunnel blasting are improved.
Patent Information
- Application Number
- CN202422927638.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Traditional blasting tube fixing devices cannot adjust the height, are difficult to adapt to different terrain and geological conditions, and are not suitable for blasting tubes of different diameters.
It adopts lifting components and fixing components. The lifting components drive the support plate and fixed clamping block to adjust the height through the lifting column and cylinder. The fixing components clamp and fix blasting tubes of different diameters through threaded rods and fixed clamping blocks.
The blasting tube height can be flexibly adjusted to adapt to different terrain and geological conditions, and blasting tubes of different diameters can be fixed, thereby improving the flexibility and adaptability of the device.
Smart Images

Figure CN223389063U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel blasting, in particular to a blasting tube fixing device for tunnel blasting. Background Art
[0002] Blasting tubes play a crucial role in tunnel construction. They are primarily used to load explosives and guide the blast wave, using the explosive energy to break rock and facilitate tunnel excavation. Blasting tube fixtures are essential for tunnel blasting.
[0003] However, traditional blasting tube fixing devices cannot adjust the height, so the height of the blasting tube cannot be adjusted according to needs, making it difficult to adapt to different terrain and geological conditions; at the same time, traditional blasting tube fixing devices use bolts, clips, etc. to fix the blasting tube in a specific position, which is not convenient for fixing blasting tubes of different diameters and lacks sufficient flexibility and adaptability. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a blasting tube fixing device for tunnel blasting.
[0005] The top end of the lifting column extends to the outside of the cylinder and is fixed to the bottom surface of the support plate, and the bottom end of the lifting column extends into the U-shaped frame and is fixed to the connecting plate. A moving wheel is rotatably connected to the lower part of the connecting plate, and a spring is provided on the outside of the lifting column. A cylinder is fixed to the inner wall of one side of the U-shaped frame, and a trapezoidal block is fixed to the free end of the cylinder. The moving wheel is in sliding contact with the inclined surface of the trapezoidal block.
[0006] As a further description of the above technical solution:
[0007] The fixing assembly includes vertical plates fixedly connected to both sides of the top surface of the support plate, and threaded rods are threadedly passed through the vertical plates. The ends of the two threaded rods that are close to each other are rotatably connected to fixed clamps, and the ends of the two threaded rods that are away from each other are fixed with rotating blocks. The ends of the two fixed clamps that are away from each other are fixed with limiting rods, and the two limiting rods are slidably connected to the two vertical plates respectively.
[0008] As a further description of the above technical solution:
[0009] A threaded hole is provided on the vertical plate, and the threaded rod is threadedly connected in the threaded hole.
[0010] As a further description of the above technical solution:
[0011] A limiting hole is provided on the vertical plate, and the limiting rod is slidably connected in the limiting hole.
[0012] As a further description of the above technical solution:
[0013] The two ends of the spring are respectively fixed to the bottom end of the cylinder and the top surface of the connecting plate.
[0014] As a further description of the above technical solution:
[0015] A sliding block is fixedly connected to the bottom end of the trapezoidal block, a sliding groove is provided on the top surface of the bottom plate, and the sliding block is slidably connected in the sliding groove.
[0016] As a further description of the above technical solution:
[0017] Universal wheels with locking mechanisms are rotatably connected to the four corners of the bottom surface of the base plate.
[0018] The utility model has the following beneficial effects:
[0019] 1. In the present invention, by providing a fixing assembly, the two fixing clamps are moved toward the direction close to the blasting tube. Under the action of the two fixing clamps, the blasting tube is clamped and fixed, which facilitates the fixing of blasting tubes of different diameters and improves flexibility and adaptability.
[0020] 2. In the present invention, the lifting column is driven to move up and down by the lifting assembly, so that the blasting tube fixing device can adjust the height of the blasting tube as needed, can adapt to different terrain and geological conditions, and has strong flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the overall structure of a blasting tube fixing device for tunnel blasting proposed by the utility model;
[0022] Figure 2 This is a side view of a blasting tube fixing device for tunnel blasting proposed by the utility model;
[0023] Figure 3 This is a top schematic diagram of a blasting tube fixing device for tunnel blasting proposed by the present invention;
[0024] Figure 4 The present invention is a partial schematic diagram of a blasting tube fixing device for tunnel blasting proposed by the present invention.
[0025] Legend:
[0026] 1. Base plate; 2. Universal wheel; 3. U-shaped frame; 4. Cylinder; 5. Lifting column; 6. Support plate; 7. Vertical plate; 8. Threaded rod; 9. Rotating block; 10. Limit rod; 11. Fixed clamp; 12. Spring; 13. Connecting plate; 14. Moving wheel; 15. Trapezoidal block; 16. Cylinder; 17. Slide; 18. Slider; 19. Threaded hole; 20. Limit hole. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] Reference Figures 1-4 The utility model provides an embodiment: it includes a base plate 1, the top surface of the base plate 1 is connected to a lifting assembly, and the lifting assembly drives the lifting column 5 to lift and lower, so that the blasting tube fixing device can adjust the height of the blasting tube according to needs, and can adapt to different terrain and geological conditions, with strong flexibility. A support plate 6 is connected above the lifting assembly, and a fixing assembly is connected above the support plate 6. By setting the fixing assembly, the two fixing clamps 11 are moved in the direction close to the blasting tube. Under the action of the two fixing clamps 11, the blasting tube is clamped and fixed, which is convenient for fixing blasting tubes of different diameters and improves flexibility. Activity and adaptability; the lifting assembly includes a U-shaped frame 3 fixed to the top surface of the base plate 1, and a through hole is opened on the top wall of the U-shaped frame 3, in which a cylinder 4 is fixed, and a lifting column 5 is slidably connected in the cylinder 4, and the top of the lifting column 5 extends to the outside of the cylinder 4 and is fixed to the bottom surface of the support plate 6, and the bottom end of the lifting column 5 extends into the U-shaped frame 3 and is fixed to a connecting plate 13, and a moving wheel 14 is rotatably connected below the connecting plate 13. A spring 12 is provided on the outside of the lifting column 5, and a cylinder 16 is fixed to the inner wall of one side of the U-shaped frame 3, and a trapezoidal block 15 is fixed to the free end of the cylinder 16, and the moving wheel 14 is in sliding contact with the inclined surface of the trapezoidal block 15.
[0029] The fixing assembly includes a vertical plate 7 fixed to both sides of the top surface of the support plate 6, and a threaded rod 8 is threadedly connected to the vertical plate 7. The ends of the two threaded rods 8 close to each other are rotatably connected to a fixed clamping block 11, and the ends of the two threaded rods 8 away from each other are fixed with a rotating block 9. The ends of the two fixed clamping blocks 11 away from each other are fixed with a limiting rod 10, and the two limiting rods 10 are respectively slidably connected to the two vertical plates 7. A threaded hole 19 is provided on the vertical plate 7, and the threaded rod 8 is threadedly connected in the threaded hole 19. A limiting hole 20 is provided, and the limiting rod 10 is slidably connected in the limiting hole 20. The two ends of the spring 12 are respectively fixed to the bottom end of the cylinder 4 and the top surface of the connecting plate 13. The bottom end of the trapezoidal block 15 is fixed with a slider 18. A slide groove 17 is provided on the top surface of the base plate 1. The slider 18 is slidably connected in the slide groove 17. The four corners of the bottom surface of the base plate 1 are rotatably connected with universal wheels 2 with a locking mechanism. The setting of the universal wheels 2 can significantly improve its mobility and flexibility, and facilitates fast and convenient transfer and adjustment in different work locations.
[0030] Working principle: By rotating the two rotating blocks 9, the rotating blocks 9 will drive the corresponding threaded rods 8 to rotate, so that the two threaded rods 8 respectively drive the two fixed clamps 11 to move in the direction close to the blasting tube. Under the action of the two fixed clamps 11, the blasting tube is clamped and fixed, which is convenient for fixing blasting tubes of different diameters, and improves flexibility and adaptability; by starting the cylinder 16, the cylinder 16 pushes the trapezoidal block 15 to move, and the trapezoidal block 15 pushes the moving wheel 14, so that it drives the connecting plate 13 and the lifting column 5 to rise and fall, so that the device can adjust the height of the blasting tube according to needs, can adapt to different terrain and geological conditions, and has strong flexibility.
[0031] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of this disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.
[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A blasting tube fixing device for tunnel blasting, comprising a base plate (1), characterized in that: The top surface of the bottom plate (1) is connected to a lifting assembly, a support plate (6) is connected above the lifting assembly, and a fixing assembly is connected above the support plate (6); The lifting assembly comprises a U-shaped frame (3) fixed to the top surface of the base plate (1); a through hole is provided on the top wall of the U-shaped frame (3); a cylinder (4) is fixed in the through hole; a lifting column (5) is slidably connected in the cylinder (4); the top end of the lifting column (5) extends outside the cylinder (4) and is fixed to the bottom surface of the support plate (6); the bottom end of the lifting column (5) extends into the U-shaped frame (3) and is fixed to a connecting plate (13); a moving wheel (14) is rotatably connected below the connecting plate (13); a spring (12) is sleeved on the outside of the lifting column (5); a cylinder (16) is fixed to the inner wall of one side of the U-shaped frame (3); a trapezoidal block (15) is fixed to the free end of the cylinder (16); and the moving wheel (14) is in sliding contact with the inclined surface of the trapezoidal block (15).
2. A blasting tube fixing device for tunnel blasting according to claim 1, characterized in that: The fixing assembly comprises vertical plates (7) fixedly connected to both sides of the top surface of the support plate (6), the vertical plates (7) are threadedly connected with threaded rods (8), the ends of the two threaded rods (8) close to each other are rotatably connected to fixed clamps (11), the ends of the two threaded rods (8) away from each other are fixedly connected to rotating blocks (9), the ends of the two fixed clamps (11) away from each other are fixedly connected to limiting rods (10), and the two limiting rods (10) are slidably connected to the two vertical plates (7) respectively.
3. A blasting tube fixing device for tunnel blasting according to claim 2, characterized in that: A threaded hole (19) is provided on the vertical plate (7), and the threaded rod (8) is threadedly connected in the threaded hole (19).
4. The blasting tube fixing device for tunnel blasting according to claim 2, characterized in that: A limiting hole (20) is provided on the vertical plate (7), and the limiting rod (10) is slidably connected in the limiting hole (20).
5. The blasting tube fixing device for tunnel blasting according to claim 1, characterized in that: The two ends of the spring (12) are respectively fixedly connected to the bottom end of the cylinder (4) and the top surface of the connecting plate (13).
6. The blasting tube fixing device for tunnel blasting according to claim 1, characterized in that: The bottom end of the trapezoidal block (15) is fixedly connected with a slider (18), the top surface of the bottom plate (1) is provided with a slide groove (17), and the slider (18) is slidably connected in the slide groove (17).
7. The blasting tube fixing device for tunnel blasting according to claim 1, characterized in that: Universal wheels (2) with locking mechanisms are rotatably connected at the four corners of the bottom surface of the base plate (1).