Blasting charging device
By designing a charging assembly that connects the support rod and the cover, the problem that existing devices cannot adapt to various explosive types and spacing settings has been solved, thus improving safety and blasting effect.
Patent Information
- Application Number
- CN202520276486.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing explosive charging devices are not suitable for various types of explosives and cannot set distance intervals between multiple explosives, resulting in poor safety and blasting effect.
Design a charge assembly including a support rod, a cover, and a box, which are connected by a threaded or snap-fit structure to form a space for holding explosives. Multiple components are connected by the support rod to create a distance between the explosives, which is suitable for various types of explosives.
It achieves the safety of explosives in various forms and adapts to the blasting requirements at various angles, avoids the dangers of explosive leakage and mixing, meets the distance interval requirements for blasting, and enhances the support strength of the charging device.
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Figure CN223710438U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of blasting technology, specifically, relate to a blasting charging device. BACKGROUND
[0002] When mining, the mine needs to be blasted, and when preparing for blasting, the explosive needs to be placed in the blasting hole. When performing some large-scale blasting operations, multiple explosives may need to be placed in a single blast hole. The existing blasting charging device uses multiple barriers arranged in a long charging barrel to evenly distribute the explosives. This arrangement cannot set a distance interval between the explosives. Another method is to use a connecting rod to segmentally bind the explosive cartridges as required and initiate them through a detonating cord. This arrangement can provide a distance between multiple explosives, but it cannot be applied to various explosive forms. SUMMARY
[0003] The utility model discloses a blasting charging device that can be applied to various explosive forms and can form a distance interval between multiple explosives.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] The utility model provides a kind of blasting charging device, including the sequentially head-to-tail connection of several groups of charging assembly, the charging assembly includes the support rod, cover and box body sequentially arranged along the axial direction, the cover is covered on the opening of the box body, the cover is fixed along by fixed structure and the box body, to form accommodating space between the box body and the cover, the accommodating space is used to place explosive, the both ends of the support rod are connected with the cover and the box body of adjacent group of charging assembly respectively.
[0006] Optionally, the support rod includes a rod body arranged along the axial direction, and the rod body is connected to the cover through a first connecting head;
[0007] A first connecting hole is arranged at the middle position of the cover, and the inner wall of the first connecting hole and the side wall of the first connecting head are respectively provided with matching internal threads and external threads, so that the first connecting head and the cover are screw-connected.
[0008] Optionally, the rod body is connected to the box body through a second connecting head;
[0009] A second connecting hole is arranged at the middle position of the bottom of the box body, and the inner wall of the second connecting hole and the side wall of the second connecting head are respectively provided with matching internal threads and external threads, so that the second connecting head and the box body are screw-connected.
[0010] Optionally, a disc is sleeved on the support rod, and a stopper is arranged on the rod body to clamp the disc between the stopper and the cover body.
[0011] The diameter of the disc is less than the diameter of the blasting hole.
[0012] Optionally, the disc is sleeved on the first connector, and the stopper is arranged between the rod body and the first connector.
[0013] Optionally, at least two of the plurality of groups of the charge assemblies are provided with the disc, and the charge assemblies provided with the disc are respectively located in a first group and a last group.
[0014] Optionally, the fixing structure is a threaded structure.
[0015] Optionally, the fixing structure is a buckle structure.
[0016] Optionally, the buckle structure comprises a first protrusion arranged on the outer side of the box body and a second protrusion arranged on the inner side of the cover edge.
[0017] The second protrusion is provided with a slope connected to the cover edge.
[0018] The utility model provides a kind of blasting charge device, including a plurality of groups of sequentially head-to-tail connection charge assemblies, charge assembly includes the support rod, cover body and box body sequentially arranged along the axial direction, cover body is covered on the opening of box body, and is fixed with box body by fixed structure, to form accommodating space between box body and cover body, accommodating space is used to place explosive, the both ends of support rod are connected cover body and the box body of adjacent one group of charge assemblies respectively, the utility model places explosive by accommodating space, suitable for a variety of explosive forms, avoid explosive leakage or when explosive is placed, explosive mixing occurs dangerous, and distance interval is formed between multiple explosives by support rod, meet blasting demand, charge assembly is connected by support rod and has support strength, suitable for various angle blasting hole, avoid that charge device is damaged in charging process. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Figure 1 is a structural schematic diagram of a blasting charge device provided by the embodiments of the present application.
[0021] Figure 2 Figure 2 is a schematic view of the enlarged structure at A of Figure 1; Figure 1
[0022] Figure 3 Figure 3 is a schematic view of the enlarged structure at B of Figure 1; Figure 1
[0023] Figure 4 Figure 4 is a schematic view of a second structure of the blasting charging device provided by the embodiment of the present application.
[0024] Figure 1 is a schematic view of a first structure of the blasting charging device provided by the embodiment of the present application. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. It should be noted that, in the case of no conflict, each feature in the embodiments of the present application can be combined with each other, and the combined embodiment is still within the protection scope of the present application.
[0026] When performing blasting preparation operation, it is necessary to put explosives into blasting holes. In some large-scale blasting operation, multiple explosives can be needed to be put into a single blast hole. The existing blasting charging device uses multiple partitions arranged in a long charging barrel to make the explosives uniformly distributed. The charging device arranged in this way cannot set distance intervals between the explosives. Another method is to use a connecting rod to segmentally bind the explosive cartridges according to requirements and to detonate them through a detonating cord, which can make multiple explosives have distance. However, the charging device arranged in this way cannot be applied to multiple explosive forms. To solve the above problems, the present application provides a blasting charging device which is suitable for multiple explosive forms and can form distance intervals between multiple explosives.
[0027] As Figure 1 and Figure 4 As shown, this application embodiment provides a blasting charging device, including several sets of charging assemblies connected end to end in sequence. Each charging assembly includes a support rod 10, a cover 20, and a box 30 arranged in sequence along the axial direction. The cover 20 covers the opening of the box 30, and the cover edge 21 of the cover 20 is fixed to the box 30 by a fixing structure, so that a receiving space is formed between the box 30 and the cover 20. The receiving space is used to place explosives. The two ends of the support rod 10 are respectively connected to the cover 20 and the box 30 of an adjacent charging assembly.
[0028] In this embodiment, the support rod 10 is a rigid rod. When multiple explosive charging components are combined, the angle of the explosive charging device relative to the horizontal plane can be changed to suit blasting holes with different angles. Adjusting the length of the support rod 10 can change the distance between multiple sets of explosives.
[0029] Specifically, such as Figure 2 As shown, the support rod 10 includes a rod body 11 arranged along the axial direction. The rod body 11 is connected to the cover 20 through a first connector 13. A first connecting hole is provided at the middle position of the cover 20. The inner wall of the first connecting hole and the side wall of the first connector 13 are respectively provided with matching internal threads and external threads, so that the first connector 13 and the cover 20 are threadedly connected. The rod body 11 is connected to the box 30 through a second connector 14. A second connecting hole is provided at the middle position of the bottom of the box 30. The inner wall of the second connecting hole and the side wall of the second connector 14 are respectively provided with matching internal threads and external threads, so that the second connector 14 and the box 30 are threadedly connected.
[0030] In this embodiment, a disc 40 is fitted onto the support rod 10, and a stop block 12 is provided on the rod body 11 to clamp the disc 40 between the stop block 12 and the cover body 20; the diameter of the disc 40 is smaller than the diameter of the blast hole. The disc 40 is positioned inside the blast hole so that the explosive is in the center position, satisfying the detonation effect. Figure 2 As shown, the disc 40 is fitted onto the first connector 13, and the stop block 12 is positioned between the rod 11 and the first connector 13.
[0031] At least two of the several assembled explosive assemblies are provided with a disc 40. The explosive assemblies with discs 40 are located in the first group and the last group respectively, which can achieve the effect of placing the explosive in the middle of the blast hole.
[0032] In one embodiment, the fixing structure is a threaded structure. In another embodiment, the fixing structure is a snap-fit structure.
[0033] like Figure 3As shown, the buckle structure comprises a first protrusion 31 arranged outside the box body 30 and a second protrusion 22 arranged inside the cover edge 21, the cover edge 21 is elastic, and the second protrusion 22 is clamped on the side of the first protrusion 31 away from the opening of the box body 30; the second protrusion 22 is provided with a slope connected to the edge of the cover edge 21.
[0034] The working process of the blasting charging device provided by the embodiment of the present application is as follows: the length of the support rod 10 is set according to the blasting effect requirement, the explosive is placed in the accommodating space, the cover body 20 is placed on the box body 30, the cover body 20 is pressed down, the cover edge 21 and the box body 30 are fixed by the buckle structure, so as to assemble a single charging assembly, the rod body 11 is connected to the cover body 20 through the first connecting head 13 and connected to the box body 30 through the second connecting head 14, so as to assemble multiple charging assemblies together, the blasting charging device is placed in the blasting hole, and the fuse is ignited to detonate the explosive.
[0035] The blasting charging device provided by the present application places the explosive in the accommodating space, is suitable for various forms of explosive, avoids leakage of the explosive or danger caused by mixing of the explosive when the explosive is placed, and forms a distance interval between multiple explosives through the support rod 10, so as to meet the blasting requirement, the charging assembly has support strength through the support rod 10, is suitable for blasting holes of various angles, avoids damage of the charging device in the charging process, the disc 40 is sleeved on the support rod 10, the disc 40 is in the blasting hole, so that the explosive is located at the middle position, and the blasting effect is met.
[0036] The above is only the preferred embodiment of the present application and is not used to limit the present application, and the present application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A blasting charge device, characterized by The application relates to a charge assembly, which comprises a plurality of groups of charge assemblies connected in sequence, wherein the charge assembly comprises a support rod (10), a cover (20) and a box (30) arranged in sequence along an axial direction, the cover (20) covers the opening of the box (30), the cover edge (21) of the cover (20) is fixed with the box (30) through a fixing structure, so that a containing space is formed between the box (30) and the cover (20), the containing space is used for placing explosives, and the two ends of the support rod (10) are connected with the cover (20) and the box (30) of an adjacent group of charge assemblies respectively.
2. The blasting charge arrangement of claim 1, wherein, The support rod (10) comprises a rod body (11) arranged along the axial direction, and the rod body (11) is connected with the cover (20) through a first connecting head (13). A first connecting hole is arranged at the middle position of the cover (20), and the inner wall of the first connecting hole and the side wall of the first connecting head (13) are respectively provided with matching internal threads and external threads, so that the first connecting head (13) and the cover (20) are screw-connected.
3. The blasting charge arrangement of claim 2, wherein, The rod body (11) is connected with the box (30) through a second connecting head (14). A second connecting hole is arranged at the middle position of the bottom of the box (30), and the inner wall of the second connecting hole and the side wall of the second connecting head (14) are respectively provided with matching internal threads and external threads, so that the second connecting head (14) and the box (30) are screw-connected.
4. The blasting charge arrangement of claim 2, wherein, A disc (40) is sleeved on the support rod (10), and a stop block (12) is arranged on the rod body (11) to clamp the disc (40) between the stop block (12) and the cover (20). The diameter of the disc (40) is smaller than the diameter of a blasting hole.
5. The blasting charge arrangement of claim 4, wherein, The disc (40) is sleeved on the first connecting head (13), and the stop block (12) is arranged between the rod body (11) and the first connecting head (13).
6. The blasting charge arrangement of claim 4, wherein, At least two groups of the charge assemblies are provided with the disc (40), and the charge assemblies provided with the disc (40) are respectively located in the first group and the last group.
7. The blasting charge arrangement of claim 1, wherein The fixing structure is a threaded structure.
8. The blasting charge arrangement of claim 1, wherein, The fixing structure is a buckle structure.
9. The blasting charge arrangement of claim 8, wherein, The buckle structure comprises a first protrusion (31) arranged outside the box (30) and a second protrusion (22) arranged inside the cover edge (21). The second protrusion (22) is provided with a slope connected with the edge of the cover edge (21).