A device for adjusting the length of explosive charges
By designing an adjustment device that includes a chassis, vertical rod, slider, horizontal rod, fixing block, and measuring rod, the problem of determining the distance between the explosive charge and the bottom of the borehole was solved, enabling precise adjustment of the charge length and improving the effectiveness of blasting operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIZHOU XINLIAN BLAST ENG GRP
- Filing Date
- 2025-10-20
- Publication Date
- 2026-06-30
AI Technical Summary
In blasting operations, it is difficult to accurately determine the distance between the explosive charge and the bottom of the blast hole, which affects the adjustment of the charge length and the blasting effect.
An adjustment device was designed, comprising a chassis, a vertical rod, a slider, a horizontal rod, a fixed block, a measuring rod, and an angle adjustment mechanism. The chassis is moved by rollers, and the position and angle of the fixed block are adjusted by sliding the slider and the horizontal rod. Combined with the scale lines on the measuring rod, the distance between the explosive charge and the bottom of the borehole and the length of the explosive charge can be measured and adjusted.
It enables precise measurement of the distance between the explosive charge and the bottom of the borehole, as well as adjustment of the charge length, thereby improving the controllability and accuracy of the blasting effect.
Smart Images
Figure CN224435207U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of blasting technology, and in particular to an adjustment device for the length of blasting charge. Background Technology
[0002] In blasting operations, explosive charges need to be added into the borehole. We know that after the explosives are loaded, it is difficult to know the distance between the explosive charge and the bottom of the borehole. This affects the determination and adjustment of the charge length, which in turn affects the blasting effect. Therefore, we propose a device for adjusting the length of the blasting charge. Summary of the Invention
[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing an adjustment device for the length of explosive charges.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] An adjusting device for the length of explosive charge includes a chassis, a vertical rod fixed on the chassis, a slider slidably sleeved on the vertical rod, a horizontal rod slidably sleeved on the slider, a fixed block hinged to one end of the horizontal rod, an angle adjusting mechanism for adjusting the angle of the fixed block installed on the horizontal rod, a fixed rod fixedly sleeved inside the fixed block, a measuring rod of equal length to the fixed rod slidably sleeved inside the fixed block, a scale line provided on the measuring rod, and a positioning plate fixed to the bottom end of the measuring rod.
[0006] Preferably, the bottom of the chassis is equipped with rollers, and brake pads are provided on the rollers.
[0007] Preferably, the slider is threaded with a first locking screw for securing the vertical rod and the slider.
[0008] Preferably, the slider is threaded with a second locking screw for securing the crossbar and the slider.
[0009] Preferably, the fixing block is threaded with a third locking screw for securing the measuring rod and the fixing block.
[0010] Preferably, the angle adjustment mechanism includes a sleeve, an internally threaded tube, and a screw. One end of the sleeve is hinged to a crossbar. The internally threaded tube is rotatably sleeved inside the sleeve. The screw is threadedly sleeved inside the internally threaded tube. One end of the screw is hinged to a fixed block.
[0011] Preferably, a limit block is fixedly sleeved on the crossbar.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] In this invention, the rollers facilitate chassis movement. The chassis is placed on the ground, and the height of the fixing block can be adjusted by sliding the slider on the vertical rod. The distance between the fixing block and the vertical rod can be adjusted by sliding the slider on the horizontal rod, making it easier to insert the fixing rod into the blast hole. The angle adjustment mechanism can adjust the inclination angle of the fixing rod, making it easy to adjust the inclination angle of the fixing rod according to the inclination angle of the blast hole, making it easier to insert the fixing rod into the blast hole. When the fixing rod is inserted to the bottom of the blast hole, the measuring rod slides in the fixing block, pressing the positioning plate onto the explosive charge. Thus, the height of the measuring rod extending beyond the fixing rod is the height of the explosive charge and the bottom of the blast hole, thereby allowing the length of the blasting charge to be adjusted as needed. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of an adjusting device for the length of a blasting charge proposed in this utility model;
[0015] Figure 2 for Figure 1 A schematic diagram of the local structure at position A in the middle;
[0016] Figure 3 This is a cross-sectional view of the slider of the explosive charge length adjustment device proposed in this utility model.
[0017] In the diagram: 1. Fixed rod, 2. Measuring rod, 3. Positioning plate, 4. Base plate, 5. Vertical rod, 6. Slider, 7. Horizontal rod, 8. First locking screw, 9. Second locking screw, 10. Limiting block, 11. Sleeve, 12. Internal threaded tube, 13. Screw, 14. Fixed block, 15. Third locking screw, 16. Scale line, 17. Roller. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Reference Figure 1 , Figure 2 , Figure 3A device for adjusting the length of a blasting charge includes a base 4, a vertical rod 5 fixed on the base 4, a slider 6 slidably sleeved on the vertical rod 5, and a horizontal rod 7 slidably sleeved on the slider 6. The base 4 is placed on the ground. By sliding the slider 6 on the vertical rod 5, the height of a fixing block 14 can be adjusted. By sliding the slider 6 on the horizontal rod 7, the distance between the fixing block 14 and the vertical rod 5 can be adjusted, facilitating better insertion of the fixing rod 1 into the blast hole. One end of the horizontal rod 7 is hinged to the fixing block 14, and the fixing rod 1 is fixedly sleeved inside the fixing block 14. An angle adjustment mechanism for adjusting the angle of the fixing block 14 is installed on the horizontal rod 7. The angle adjustment mechanism can adjust the inclination angle of the fixing rod 1, facilitating adjustment of the inclination angle of the fixing rod 1 according to the inclination angle of the blast hole, making it easier for the fixing rod 1 to be inserted into the blast hole. The fixing rod 1 is inserted to the bottom of the blast hole. A measuring rod 2 of the same length as the fixed rod 1 is slidably connected inside the fixed block 14. The measuring rod 2 is provided with scale lines 16. A positioning plate 3 is fixed to the bottom end of the measuring rod 2. By sliding the measuring rod 2 inside the fixed block 14, the positioning plate 3 is pressed onto the explosive charge. In this way, the height of the measuring rod 2 extending beyond the fixed rod 1 is the height of the explosive charge and the bottom of the blast hole, so that the length of the explosive charge can be adjusted as needed. A roller 17 is installed at the bottom of the chassis 4. The roller 17 is provided with a brake pad. The roller 17 facilitates the movement of the chassis 4. A first locking screw 8 for locking the vertical rod 5 and the slider 6 is threadedly connected to the slider 6. A second locking screw 9 for locking the horizontal rod 7 and the slider 6 is threadedly connected to the slider 6. A third locking screw 15 for locking the measuring rod 2 and the fixed block 14 is threadedly connected to the fixed block 14.
[0020] Reference Figure 2 The angle adjustment mechanism includes a sleeve 11, an internally threaded tube 12, and a screw 13. One end of the sleeve 11 is hinged to the crossbar 7. The internally threaded tube 12 is rotatably sleeved inside the sleeve 11. The screw 13 is threadedly sleeved inside the internally threaded tube 12. One end of the screw 13 is hinged to the fixing block 14. A limit block 10 is fixedly sleeved on the crossbar 7. When the internally threaded tube 12 is rotated, it rotates inside the sleeve 11. The screw 13 can be moved by the threaded transmission between the internally threaded tube 12 and the screw 13. The screw 13 pushes the fixing block 14 to rotate on the crossbar 7.
[0021] Working principle: During use, the roller 17 facilitates the movement of the chassis 4. The chassis 4 is placed on the ground. The height of the fixing block 14 can be adjusted by sliding the slider 6 on the vertical rod 5. The distance between the fixing block 14 and the vertical rod 5 can be adjusted by sliding the slider 6 on the horizontal rod 7, which makes it easier to insert the fixing rod 1 into the blast hole. The tilt angle of the fixing rod 1 can be adjusted by the angle adjustment mechanism, which makes it easier to adjust the tilt angle of the fixing rod 1 according to the tilt angle of the blast hole, so that the fixing rod 1 can be inserted into the blast hole. When the fixing rod 1 is inserted into the bottom of the blast hole, the measuring rod 2 slides in the fixing block 14 to press the positioning plate 3 on the explosive charge. In this way, the height of the measuring rod 2 extending beyond the fixing rod 1 is the height of the explosive charge and the bottom of the blast hole, so the length of the blasting charge can be adjusted as needed.
[0022] The operating principle of the angle adjustment mechanism is as follows: Rotate the internal threaded tube 12, and the internal threaded tube 12 rotates inside the sleeve 11. Through the threaded transmission between the internal threaded tube 12 and the screw 13, the screw 13 can be pushed to move. The screw 13 pushes the fixed block 14 to rotate on the crossbar 7.
[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A device for adjusting the length of a blasting charge, comprising a chassis (4), characterized in that, A vertical rod (5) is fixed on the chassis (4). A slider (6) is slidably sleeved on the vertical rod (5). A horizontal rod (7) is slidably sleeved on the slider (6). A fixing block (14) is hinged to one end of the horizontal rod (7). An angle adjustment mechanism for adjusting the angle of the fixing block (14) is installed on the horizontal rod (7). A fixing rod (1) is fixedly sleeved inside the fixing block (14). A measuring rod (2) of the same length as the fixing rod (1) is slidably sleeved inside the fixing block (14). A scale line (16) is provided on the measuring rod (2). A positioning plate (3) is fixed to the bottom end of the measuring rod (2).
2. The device for adjusting the length of a blasting charge according to claim 1, characterized in that, The bottom of the chassis (4) is equipped with rollers (17), and brake pads are provided on the rollers (17).
3. The device for adjusting the length of a blasting charge according to claim 1, characterized in that, The slider (6) is threaded with a first locking screw (8) for securing the vertical rod (5) and the slider (6).
4. The device for adjusting the length of a blasting charge according to claim 1, characterized in that, The slider (6) is threaded with a second locking screw (9) for securing the crossbar (7) and the slider (6).
5. The device for adjusting the length of a blasting charge according to claim 1, characterized in that, The fixing block (14) is threaded with a third locking screw (15) for securing the measuring rod (2) and the fixing block (14).
6. The device for adjusting the length of a blasting charge according to claim 1, characterized in that, The angle adjustment mechanism includes a sleeve (11), an internally threaded tube (12), and a screw (13). One end of the sleeve (11) is hinged to the crossbar (7). The internally threaded tube (12) is rotatably sleeved inside the sleeve (11). The screw (13) is threadedly sleeved inside the internally threaded tube (12). One end of the screw (13) is hinged to the fixed block (14).
7. The device for adjusting the length of a blasting charge according to claim 1, characterized in that, A limiting block (10) is fixedly sleeved on the crossbar (7).