Surface blasting blast hole collapse prevention structure
By designing an open-air blasting gun hole anti-collapse structure including positioning ring plates, cross plates, reinforcements and extensions, the problem of blasting hole collapse due to ground vibration is solved, and the stability and safety of the gun hole is achieved, ensuring the smooth progress of blasting operations and the safety of staff.
Patent Information
- Application Number
- CN202422065904.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-26
AI Technical Summary
During open-air blasting operations, the gun hole is prone to collapse due to ground vibration caused by continuous drilling, causing the gun hole to be blocked, affecting the work progress, and may cause the surrounding slope to collapse, threatening the safety of staff.
An open-air blasting gun hole anti-collapse structure is designed, including positioning ring plates, cross plates, reinforcements and extensions. By rotating the worm gear and gear column, the reinforcement plate is driven to squeeze and support the inner wall of the gun hole, stabilize the gun hole, and further tighten the soil through the insertion rod and the support rod to fix the positioning ring plate.
It effectively improves the stability of the gun hole, prevents collapse and blockage, ensures the progress and safety of blasting operations, and avoids the risk of slope collapse caused by the collapse of the gun hole.
Smart Images
Figure CN222849910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of blasthole protection, in particular to an open-air blasting blasthole anti-collapse structure. Background Art
[0002] Blastholes refer to large-diameter holes drilled in rock and soil using large-scale drilling equipment during open-pit blasting operations. The diameter and depth of blastholes are larger than those of blastholes (the diameter of blastholes does not exceed 50 mm, and the depth does not exceed 10 meters). The specific values depend on the needs of the blasting operation and the properties of the rock and soil. Blastholes are mainly used to load large amounts of explosives to achieve deep or large-area blasting operations.
[0003] In the prior art, blastholes opened during blasting are generally used for large-area blasting work. Therefore, a certain number of blastholes need to be opened by a drilling machine. As the number of blastholes increases, in some cases the gravel and soil around the blastholes are in a loose and broken state. At this time, continuous drilling will cause the ground to vibrate, which may easily cause the blastholes to collapse, and then cause the blastholes to be blocked due to collapse, thereby affecting the progress of open-air blasting. At the same time, the collapse of blastholes is likely to affect the surrounding slopes, thereby causing the slopes to collapse and affecting the safety of the workers. Utility Model Content
[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an open-air blasting blasthole anti-collapse structure so as to solve the technical problems mentioned in the above background technology.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions:
[0006] An open-air blasting blasthole anti-collapse structure comprises a positioning ring plate, a cross plate is connected to the inner side wall of the positioning ring plate, a reinforcing member is arranged on the bottom side of the cross plate, and an extension member is arranged on the bottom side of the positioning ring plate;
[0007] The reinforcement member includes a worm wheel, which is rotatably mounted at the center of the cross plate. A gear column is fixedly connected to the bottom side of the worm wheel. Two groups of rack rods are meshed at the top and bottom of the outer peripheral side of the gear column. The number of rack rods in each group is two. The two rack rods in the same group are parallel to each other. The four rack rods are arranged in a tic-tac-toe shape. One end of the rack rod is fixedly connected to a reinforcement plate. The top side of the reinforcement plate is slidably connected to the bottom side of the positioning ring plate.
[0008] The reinforcement member further includes a worm, an end of which is inserted from the top side of the cross plate and meshes with the worm wheel.
[0009] In a preferred example, the utility model can be further configured as follows: the reinforcing plate is arranged in an arc shape, and a number of support rods are threadedly connected to the side of the reinforcing plate, and the support rods are arranged in a conical shape.
[0010] In a preferred example, the utility model can be further configured as follows: a plurality of threaded holes are opened on the top side of the positioning ring plate, and plug rods are threadedly connected to the threaded holes.
[0011] In a preferred example, the utility model can be further configured as follows: the extension member includes a number of sliding rods, the sliding rods are fixedly connected to the corresponding reinforcement plate on one side close to the axis of the positioning ring plate, and the top side of the sliding rods are slidably connected to the positioning ring plate.
[0012] In a preferred example, the utility model can be further configured as follows: a slide rail is fixedly connected to the bottom side of the positioning ring plate and the corresponding position of the reinforcement plate, the end of the slide rail passes through the reinforcement plate and the slide rod, and the slide rod and the reinforcement plate are both slidably connected to the corresponding slide rail.
[0013] In a preferred example, the utility model can be further configured as follows: a hexagonal groove is provided at the top center of the worm.
[0014] In summary, the present invention includes at least one of the following beneficial technical effects:
[0015] 1. The open-air blasting blasthole anti-collapse structure can drive the worm wheel to rotate by rotating the worm when in use, and finally drive the reinforcement plate to squeeze the inner wall of the blasthole and stabilize the blasthole to improve the stability of the blasthole. At the same time, the reinforcement plate can provide support for the blasthole to prevent the blasthole from collapsing due to external influences, thereby affecting the surrounding slopes and the safety of the staff;
[0016] 2. This is an open-air blasting blasthole anti-collapse structure. After the reinforcement plate fixes the blasthole, the plug rod is rotated so that the plug rod moves downward in coordination with the threaded hole. The plug rod can then be inserted into the compacted soil, thereby fixing the positioning ring plate at the edge of the blasthole. At the same time, after being inserted into the soil, it is the same as the support rod, further stabilizing the edge of the blasthole.
[0017] 3. In this open-air blasting blasthole anti-collapse structure, a slide rail is slidably connected with a reinforcement plate and a slide rod, wherein the slide rod can move on the slide rail. When driving the reinforcement plate to slide outward, the slide plate can be driven to move to the outside of the positioning ring plate. At the same time, the slide rod is still on the slide rail, thereby further expanding the moving range of the reinforcement plate and improving the applicability of the device when used. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 The utility model is a schematic diagram of the overall structure of an open-air blasting blasthole anti-collapse structure.
[0020] Figure 2 For the utility model Figure 1 Schematic diagram of the midsole side structure.
[0021] Figure 3 The utility model is a schematic diagram of the bottom side structure of a positioning ring plate of an open-air blasting blasthole anti-collapse structure.
[0022] Figure 4 The utility model is a schematic diagram of the structure of a reinforcement member of an open-air blasting blasthole anti-collapse structure viewed from above.
[0023] In the figure, 1. positioning ring plate; 2. cross plate; 3. reinforcement piece; 4. extension piece; 5. worm gear; 6. gear column; 7. rack rod; 8. reinforcement plate; 9. worm; 10. support rod; 11. threaded hole; 12. insertion rod; 13. slide rod; 14. slide rail; 15. hexagonal groove. DETAILED DESCRIPTION
[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0025] Example: Refer to Figure 1-Figure 4 The utility model discloses an open-air blasting blasthole anti-collapse structure, comprising a positioning ring plate 1, characterized in that a cross plate 2 is connected to the inner side wall of the positioning ring plate 1, a reinforcing member 3 is arranged on the bottom side of the cross plate 2, and an extension member 4 is arranged on the bottom side of the positioning ring plate 1;
[0026] The reinforcing member 3 includes a worm wheel 5, which is rotatably mounted at the center of the cross plate 2. A gear column 6 is fixedly connected to the bottom side of the worm wheel 5. Two groups of rack rods 7 are meshed at the top and bottom of the outer peripheral side of the gear column 6. The number of rack rods 7 in each group is two. The two rack rods 7 in the same group are parallel to each other. The four rack rods 7 are arranged in a tic-tac-toe shape. A reinforcing plate 8 is fixedly connected to one end of the rack rod 7. The top side of the reinforcing plate 8 is slidably connected to the bottom side of the positioning ring plate 1.
[0027] The reinforcement member 3 further includes a worm 9 , the end of which is inserted from the top side of the cross plate 2 and meshes with the worm wheel 5 .
[0028] In this embodiment, when in use, the positioning ring plate 1 is placed above the blasthole, and then the four reinforcement plates 8 are inserted into the blasthole. At this time, the worm 9 is rotated, so that the worm 9 drives the worm wheel 5 to rotate and then drives the gear wheel column to rotate, wherein the provided gear column 6 is in a meshing state with the provided rack rod 7, thereby driving the four rack rods 7 to move toward the inner wall of the blasthole, and then driving the reinforcement plate 8 to move toward the inner wall of the blasthole. After the reinforcement plate 8 fits the inner wall of the blasthole, the worm 9 is continued to be rotated, so that the reinforcement plate 8 squeezes the inner wall of the blasthole, squeezes the soft soil or gravel tightly, and makes the blasthole more stable. At the same time, the support of the reinforcement plate 8 is added, thereby further improving the stability of the blasthole, and avoiding the blasthole from being collapsed due to the vibration of continuous drilling and mechanical movement.
[0029] In a further preferred embodiment of the present invention, Figure 1-2 As shown, the reinforcing plate 8 is arranged in an arc shape, and a number of support rods 10 are threadedly connected to the side of the reinforcing plate 8, and the support rods 10 are arranged in a conical shape.
[0030] In this embodiment, the arc-shaped reinforcement plate 8 can make the reinforcement plate 8 better fit the inner wall of the blasthole, so that the blasthole can be expanded and compacted. The support rod 10 can be inserted into the soil, and then the soil inserted into the support rod 10 is squeezed against each other, so that the soil on the side of the blasthole is more compacted, further improving the stability of the blasthole.
[0031] In a further preferred embodiment of the present invention, Figure 1 As shown, a plurality of threaded holes 11 are formed on the top side of the positioning ring plate 1 , and an insert rod 12 is threadedly connected to the threaded holes 11 .
[0032] In this embodiment, after the reinforcement plate 8 has fixed the blasthole, the insertion rod 12 is rotated so that the insertion rod 12 and the threaded hole 11 move downward in coordination, and then the insertion rod 12 can be inserted into the compacted soil, so that the positioning ring plate 1 is fixed to the edge of the blasthole. At the same time, after being inserted into the soil, it is the same as the support rod 10, further stabilizing the edge of the blasthole.
[0033] In a further preferred embodiment of the present invention, Figure 2-4 As shown, the extension member 4 includes a number of slide bars 13 , and the slide bars 13 are fixedly connected to the corresponding reinforcement plate 8 on one side close to the axis of the positioning ring plate 1 , and the top side of the slide bars 13 is slidably connected to the positioning ring plate 1 .
[0034] In this embodiment, the sliding rod 13 can slide along with the sliding of the reinforcement plate 8, so that the reinforcement plate 8 can be supported by the sliding rod 13 after sliding outward beyond the edge of the positioning ring plate 1, thereby making the device suitable for blast holes of various apertures, thereby improving practicality.
[0035] In a further preferred embodiment of the present invention, Figure 2-4 As shown, a slide rail 14 is fixedly connected to the bottom side of the positioning ring plate 1 at a position corresponding to the reinforcement plate 8 , and the end of the slide rail 14 passes through the reinforcement plate 8 and the slide rod 13 , and the slide rod 13 and the reinforcement plate 8 are both slidably connected to the corresponding slide rail 14 .
[0036] In this embodiment, the slide rail 14 is slidably connected to the reinforcement plate 8 and the slide rod 13, wherein the slide rod 13 can move on the slide rail 14. When driving the reinforcement plate 8 to slide outward, the slide plate can be driven to move to the outside of the positioning ring plate 1. At the same time, the slide rod 13 is still on the slide rail 14, thereby further expanding the moving range of the reinforcement plate 8 and improving the applicability of the device when used.
[0037] In a further preferred embodiment of the present invention, Figure 1 As shown, a hexagonal groove 15 is provided at the top center of the worm 9 .
[0038] In this embodiment, the hexagonal groove 15 can drive the worm 9 to rotate through a hexagonal wrench, thereby driving the worm wheel 5 to rotate through the worm 9, and finally driving the rack rod 7 to move, and finally driving the reinforcement plate 8 to move, so as to drive the reinforcement plate 8.
[0039] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An open-air blasting blasthole anti-collapse structure, comprising a positioning ring plate (1), characterized in that: A cross plate (2) is connected to the inner side wall of the positioning ring plate (1), a reinforcing piece (3) is provided on the bottom side of the cross plate (2), and an extension piece (4) is provided on the bottom side of the positioning ring plate (1); The reinforcing member (3) comprises a worm wheel (5), the worm wheel (5) being rotatably mounted at the center of the cross plate (2), the bottom side of the worm wheel (5) being fixedly connected to a gear column (6), the top and bottom of the outer peripheral side of the gear column (6) being meshed with two groups of rack rods (7), the number of each group of rack rods (7) being two, the two rack rods (7) in the same group being parallel to each other, the four rack rods (7) being arranged in a tic-tac-toe shape, one end of the rack rod (7) being fixedly connected to a reinforcing plate (8), the top side of the reinforcing plate (8) being slidably connected to the bottom side of the positioning ring plate (1); The reinforcement member (3) also includes a worm (9), the end of which is inserted from the top side of the cross plate (2) and meshes with the worm wheel (5).
2. The open-air blasting blasthole anti-collapse structure according to claim 1, characterized in that: The reinforcing plate (8) is arranged in an arc shape, and a number of support rods (10) are threadedly connected to the side of the reinforcing plate (8), and the support rods (10) are arranged in a conical shape.
3. The open-air blasting blasthole anti-collapse structure according to claim 1, characterized in that: A plurality of threaded holes (11) are provided on the top side of the positioning ring plate (1), and an insert rod (12) is connected to the inner thread of the threaded hole (11).
4. The open-air blasting blasthole anti-collapse structure according to claim 1, characterized in that: The extension member (4) comprises a plurality of slide rods (13), wherein the slide rods (13) are fixedly connected to a side of the corresponding reinforcement plate (8) close to the axis of the positioning ring plate (1), and the top side of the slide rods (13) is slidably connected to the positioning ring plate (1).
5. The open-air blasting blasthole anti-collapse structure according to claim 4, characterized in that: A slide rail (14) is fixedly connected to the bottom side of the positioning ring plate (1) at a position corresponding to the reinforcement plate (8); an end of the slide rail (14) passes through the reinforcement plate (8) and the slide rod (13); and the slide rod (13) and the reinforcement plate (8) are both slidably connected to the corresponding slide rail (14).
6. The open-air blasting blasthole anti-collapse structure according to claim 1, characterized in that: A hexagonal groove (15) is provided at the center of the top of the worm (9).