A mining blasting device
By designing a mine blasting device with sliding filling components and spike components, the problem of fixing explosives in the blasting holes at the top of the roadway was solved, achieving stable installation of explosives and improving blasting accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAN PENGCHENG BLASTING ENG CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-05-26
AI Technical Summary
The existing charging structure lacks a fixing structure, making it difficult to securely install the explosive in the blasting hole at the top of the tunnel, which is particularly ineffective when it is necessary to expand the tunnel space.
A mining blasting device is designed, including an installation rod formed by splicing multiple connecting rods, equipped with a sliding filling component and a spike component, which is fixed in the blast hole by the spike component. The installation rod is equipped with a rotatable installation plate and an adjustment component, and the installation plate is stably fixed by fasteners and expansion bolts.
It enables the stable installation of explosives within the blasting hole, improving the accuracy and safety of blasting and adapting to different blasting hole structures.
Smart Images

Figure CN224285682U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of blasting device technology, and more specifically, to a mining blasting device. Background Technology
[0002] Mining blasting refers to the use of the energy generated by explosives to break up rock masses during the mining process in order to extract ore. Its core purpose is to break up the rock mass to form free faces and ore blocks required for ore mining, which facilitates subsequent loading, transportation and other operations.
[0003] Currently, in blasting operations, drilling rigs or rock drills are used to drill a suitable number and size of blasting holes at appropriate locations in the rock or soil, and then a suitable amount of explosives is placed in these holes. When placing explosives in the blasting holes, a charging structure is typically used to load the explosives to achieve better blasting results. However, in practical applications, when blasting the top of a tunnel to expand its space, the explosives need to be loaded into blasting holes at the tunnel top. However, existing charging structures lack self-fixing mechanisms, preventing them from effectively installing the explosives into downward-facing blasting holes, thus requiring improvement. Summary of the Invention
[0004] The purpose of this invention is to provide a mining blasting device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A mining blasting device includes an installation rod formed by splicing multiple connecting rods. The installation rod is provided with multiple slidable filling components for loading explosives. A spike assembly is installed at the lower end of the installation rod to fix the installation rod in a blast hole. The upper end of the installation rod is provided with a rotatable installation plate via an adjustment assembly. Multiple fixing members are provided along the circumference of the side wall of the installation plate to fix the installation plate at the opening of the blast hole, thereby achieving fixed installation of the installation rod in the blast hole.
[0007] Furthermore, the filling assembly includes a filling disc and a filling cover that mates with the filling disc. Both the filling disc and the filling cover are mounted on a mounting rod via an mounting assembly. The mounting assembly includes a clamping member disposed on the filling disc or the filling cover and a threaded member threadedly connected to the clamping member.
[0008] Furthermore, the clamping component includes a clamping ring fixedly installed on the lower side of the filling disc and the upper side of the filling cover, and a plurality of clamping pieces are provided on the side wall of the clamping ring along its circumference; the threaded component includes a threaded ring portion and a pressing portion, the threaded ring portion being threadedly connected to the clamping ring and used to drive the pressing portion to press the clamping pieces so that the clamping pieces clamp the mounting rod tightly.
[0009] Furthermore, the spike assembly includes a mounting block threaded to the lower end of the mounting rod, and multiple spikes are arranged on the side wall of the mounting block along the length of the mounting rod.
[0010] Furthermore, the adjustment assembly includes a threaded post with one end threaded into the threaded cavity, and a universal ball fixed at the other end of the threaded post. The side wall of the mounting plate is provided with a chamber for the universal ball to be inserted into, and the chamber is adapted to the universal ball.
[0011] Furthermore, a locking bolt is provided on the side wall of the mounting plate, with one end of the locking bolt abutting against the outer side wall of the universal ball to fix the mounting plate.
[0012] Furthermore, the fasteners include expansion bolts threaded onto the mounting plate.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. This utility model, through the setting of the nailing component, allows the operator to use greater force to nail the nailing component into the top wall of the blast hole, so that the installation rod can be pre-fixed inside the blast hole, so that the operator can fix the installation plate at the opening position of the blast hole using the fixing component.
[0015] This invention adjusts the angle of the mounting plate relative to the mounting rod by adjusting the component settings, thereby allowing the lower side of the mounting plate to better fit the opening position of the blast hole, and thus allowing the fastener to better fix the mounting plate at the opening position of the blast hole. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a mining blasting device according to the present invention.
[0017] Figure 2 This is a schematic diagram of the filling disc in this utility model.
[0018] Figure 3 This is a cross-sectional structural diagram of the clamping component and the threaded component in this utility model.
[0019] Figure 4 This is an exploded structural diagram of the mounting rod, spike assembly, and adjustment assembly in this utility model.
[0020] Figure 5 This is a cross-sectional structural diagram of the central chamber and locking bolt of this utility model.
[0021] Figure 6 This is a cross-sectional structural diagram of the adjustment component and the mounting plate in this utility model.
[0022] The meanings of the labels in the diagram are as follows: 100, mounting plate; 101, handle; 102, expansion bolt; 103, locking bolt; 104, filling cap; 105, filling plate; 106, lead wire port; 107, threaded part; 108, mounting block; 109, spike;
[0023] 200. Clamping ring; 201. Clamping plate; 202. Protective part;
[0024] 300. Inclined surface; 301. Threaded ring portion; 302. Extrusion section; 303. Extrusion table;
[0025] 400. Connecting rod; 401. Threaded shaft; 402. Threaded post; 403. Universal ball joint; 404. Threaded cavity;
[0026] 500, chamber. Detailed Implementation
[0027] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are merely illustrative of this utility model and are not intended to limit it.
[0028] The following is in conjunction with the appendix Figures 1-6 This embodiment will be described in further detail.
[0029] Combined with appendix Figures 1-6 This embodiment of a mining blasting device includes an installation rod formed by splicing multiple connecting rods 400. The installation rod is provided with multiple slidable filling components for loading explosives. A spike assembly is installed at the lower end of the installation rod to fix the installation rod in the blast hole. The upper end of the installation rod is provided with a rotatable installation plate 100 through an adjustment assembly. Multiple fixing members are provided along the circumference of the side wall of the installation plate 100 to fix the installation plate 100 at the opening position of the blast hole, thereby realizing the fixed installation of the installation rod in the blast hole.
[0030] In actual use, the lower end of the connecting rod 400 is fixedly connected to a threaded shaft 401, and the upper end of the connecting rod 400 is provided with a threaded cavity 404 with an upper opening. The threaded shafts 401 of two adjacent connecting rods 400 are screwed into the corresponding threaded cavities 404, thereby completing the docking between the two connecting rods 400 and thus completing the splicing of the installation rod. Through the splicable setting of the connecting rod 400, the operator can splice the installation rod according to the depth of the blast hole for actual use.
[0031] In actual use, the operator first assembles the installation rod according to the depth of the blast hole, slides the filling component onto the installation rod, and places the explosive into the filling component so that the explosive can be installed on the installation rod. Next, the operator aligns the installation rod with the blast hole and inserts it. Through the setting of the spike component, the operator can use greater force to drive the spike component into the top wall of the blast hole, so that the installation rod can be pre-fixed in the blast hole. Then, the installation plate 100 is fixedly installed at the opening of the blast hole by the fastener, so that the explosive can be better installed in the blast hole.
[0032] The sliding design of the loading components allows operators to adjust the spacing between them, enabling control over the position of the explosive within the blast hole and thus improving blasting accuracy. Furthermore, operators can adjust the number of loading components according to the required amount of explosive.
[0033] When the opening of the blast hole is sloped, making it difficult for the fastener to properly fix the mounting plate 100 at the opening of the blast hole, the angle of the mounting plate 100 relative to the mounting rod can be adjusted by adjusting the settings of the components. This allows the lower side of the mounting plate 100 to better fit against the opening of the blast hole, thereby enabling the fastener to properly fix the mounting plate 100 at the opening of the blast hole.
[0034] Specifically, the fasteners include expansion bolts 102 threaded onto the mounting plate 100; the expansion bolts 102 enable the mounting plate 100 to be better fixed at the opening of the blast hole.
[0035] Specifically, in order to facilitate the operator in carrying the installation rod, in this embodiment, a handle 101 is provided on the side wall of the installation plate 100. The handle 101 facilitates the operator in carrying the installation rod.
[0036] Combination Figures 1-2 As shown, in this embodiment, the filling assembly includes a filling disc 105 and a filling cover 104 that cooperates with the filling disc 105. Both the filling disc 105 and the filling cover 104 are mounted on the mounting rod by a mounting assembly. The mounting assembly includes a clamping member disposed on the filling disc 105 or the filling cover 104 and a threaded member 107 threadedly connected to the clamping member.
[0037] In practical use, the loading component is fixedly installed on the lower side of the loading tray 105 and the upper side of the loading cover 104, while the threaded component 107 is slidably installed on the mounting rod. When loading explosives, the operator slides the corresponding number of loading covers 104 and loading trays 105 onto the mounting rod according to the quantity of explosives, and slides the loading trays 105 up and down to adjust the spacing between adjacent loading trays 105. When the loading tray 105 slides to the appropriate position... The threaded part 107 on the filling plate 105 is threaded to the clamping part to fix the filling plate 105. At this time, the explosive is placed in the filling plate 105 and the filling cover 104 is slid so that the filling cover 104 can cover the explosive. The threaded part 107 on the filling cover 104 is threaded to the clamping part to fix the filling cover 104. In this way, the filling cover 104 can press the explosive into the filling plate 105, thereby completing the filling of the explosive.
[0038] Specifically, the outer walls of the filling plate 105 and the filling cover 104 extend outward to form a protective part 202. The two protective parts 202 are arranged opposite to each other. Through the arrangement of the protective parts 202, the protective parts 202 can isolate the explosive and the inner wall of the blast hole during the process of the installation rod sending the explosive into the blast hole, thereby avoiding friction between the side wall of the explosive and the inner wall of the blast hole, which would cause damage to the explosive.
[0039] The filling cover 104, filling plate 105 and mounting plate 100 are all provided with relatively aligned lead wire openings 106. The relatively aligned arrangement of the lead wire openings 106 allows the explosive lead wire to be better inserted from the lead wire opening 106.
[0040] Combination Figures 2-3 As shown, in this embodiment, the clamping component includes a clamping ring 200 fixedly installed on the lower side of the filling tray 105 and the upper side of the filling cover 104. A plurality of clamping pieces 201 are provided on the side wall of the clamping ring 200 along its circumference. The threaded component 107 includes a threaded ring portion 301 and a pressing portion 302. The threaded ring portion 301 is threadedly connected to the clamping ring 200 and is used to drive the pressing portion 302 to press the clamping pieces 201 so that the clamping pieces 201 clamp the mounting rod.
[0041] In this embodiment, during actual use, the threaded ring portion 301 has an internal thread, the extrusion portion 302 has an extrusion table 303 circumferentially arranged around the threaded ring portion 301, and the outer wall of the clamping ring 200 has an external thread that mates with the internal thread. A gap is formed between adjacent clamping pieces 201 to facilitate deformation of the clamping pieces 201. The outer wall of the clamping piece 201 has an inclined surface 300 circumferentially arranged around the clamping ring 200 that is adapted to the extrusion table 303. Thus, during actual use, when the threaded ring portion 301 is threadedly connected to the clamping ring 200, the extrusion portion 302 can be driven to move toward the clamping piece 201, causing the extrusion table 303 to press against the inclined surface 300, and causing the clamping piece 201 to clamp tightly to the mounting rod, thereby achieving the fixed installation of the filling cover 104 or the filling disc 105. Specifically, the clamping piece 201 is fixedly installed on the side wall of the clamping ring 200.
[0042] Combination Figure 4 As shown, in this embodiment, the spike assembly includes a mounting block 108 threadedly connected to the lower end of the mounting rod. Multiple spikes 109 are arranged on the side wall of the mounting block 108 along the length of the mounting rod. The spikes 109 are used to drive into the top wall of the blast hole so that the mounting rod can be pre-fixed inside the blast hole.
[0043] In actual use, the mounting block 108 is threadedly connected to the threaded shaft 401 at the lower end of the mounting rod, thereby allowing the mounting block 108 to be fixedly installed on the mounting rod; the spike 109 is fixedly installed on the side wall of the mounting block 108; thus, the operator can drive the spike 109 into the top wall of the blast hole with a large force, so that the mounting rod can be pre-fixed in the blast hole.
[0044] Combination Figures 4-6 As shown, in this embodiment, the adjustment component includes a threaded post 402 with one end threadedly connected to the threaded cavity 404, and a universal ball 403 fixedly provided at the other end of the threaded post 402. The side wall of the mounting plate 100 is provided with a chamber 500 for the universal ball 403 to be inserted into, and the chamber 500 is adapted to the universal ball 403.
[0045] In practical use, the threaded post 402 is threaded into the threaded cavity 404 at the upper end of the mounting rod, so that the universal ball 403 can be fixedly installed on the mounting rod. The universal ball 403 is inserted into the cavity 500 through the opening of the cavity 500. Since the cavity 500 and the universal ball 403 are compatible, the universal ball 403 can rotate within the cavity 500, so that the mounting plate 100 can be rotated and installed on the mounting rod.
[0046] In actual use, in order to enable the operator to better drive the spike 109 into the top wall of the blast hole, in this embodiment, a locking bolt 103 is also provided on the side wall of the mounting plate 100. One end of the locking bolt 103 abuts against the outer side wall of the universal ball 403, so that the universal ball 403 is not easy to rotate in the chamber 500, thereby enabling the operator to better drive the spike 109 into the top wall of the blast hole.
[0047] When it is necessary for the lower side of the mounting plate 100 to fit better against the opening of the blast hole, the locking bolt 103 is tightened so that one end of the locking bolt 103 can move away from the outer wall of the universal ball 403, so that the universal ball 403 can rotate within the chamber 500, thereby allowing the mounting plate 100 to rotate so that its lower side can fit better against the opening of the blast hole.
[0048] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.
Claims
1. A mining blasting device, comprising an installation rod formed by splicing together multiple connecting rods (400), characterized in that: The mounting rod is provided with multiple sliding loading components for loading explosives. A spike assembly is installed at the lower end of the mounting rod to fix the mounting rod in the blast hole. The upper end of the mounting rod is provided with a rotatable mounting plate (100) through an adjustment assembly. Multiple fixing parts are provided along the circumference of the side wall of the mounting plate (100) to fix the mounting plate (100) at the opening of the blast hole, thereby realizing the fixed installation of the mounting rod in the blast hole.
2. The mining blasting device according to claim 1, characterized in that: The filling assembly includes a filling disc (105) and a filling cover (104) that cooperates with the filling disc (105). Both the filling disc (105) and the filling cover (104) are mounted on the mounting rod by a mounting assembly. The mounting assembly includes a clamping part provided on the filling disc (105) or the filling cover (104) and a threaded part (107) threadedly connected to the clamping part.
3. A mining blasting device according to claim 2, characterized in that: The clamping component includes a clamping ring (200) fixedly installed on the lower side of the filling plate (105) and the upper side of the filling cover (104). The clamping ring (200) has a plurality of clamping pieces (201) arranged circumferentially on its side wall. The threaded component (107) includes a threaded ring portion (301) and a pressing portion (302). The threaded ring portion (301) is threadedly connected to the clamping ring (200) and is used to drive the pressing portion (302) to press the clamping pieces (201) so that the clamping pieces (201) clamp the mounting rod.
4. A mining blasting device according to claim 1, characterized in that: The spike assembly includes a mounting block (108) threaded to the lower end of the mounting rod, and multiple spikes (109) are arranged on the side wall of the mounting block (108) along the length of the mounting rod.
5. A mining blasting device according to claim 1, characterized in that: The adjustment assembly includes a threaded post (402) with one end threaded into the threaded cavity (404), and a universal ball (403) fixed at the other end of the threaded post (402). The side wall of the mounting plate (100) is provided with a chamber (500) for the universal ball (403) to be inserted into, and the chamber (500) is adapted to the universal ball (403).
6. A mining blasting device according to claim 5, characterized in that: The mounting plate (100) is also provided with a locking bolt (103) on its side wall. One end of the locking bolt (103) abuts against the outer side wall of the universal ball (403) to fix the mounting plate (100).
7. A mining blasting device according to claim 1, characterized in that: The fasteners include expansion bolts (102) that are threaded onto the mounting plate (100).