Explosive outlet adjusting device of granular ammonium nitrate fuel oil explosive mixing and charging truck
By designing an outlet adjustment device for granular ammonium nitrate explosives mixing vehicles, and using rotating and fixed components to adjust the outlet diameter, the problem of increased labor intensity caused by fixed diameter in existing technologies is solved, achieving simple and quick diameter adjustment and cost savings.
Patent Information
- Application Number
- CN202422875443.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The existing granular ammonium nitrate explosive mixing vehicle has a fixed outlet diameter, which cannot accommodate small-diameter blasting holes. It requires secondary manual handling, which increases labor intensity and cost.
A dispensing port adjustment device was designed, comprising a top cover, a rotating component, an adjusting component, and a fixing component. By rotating the outer cylinder, the bottom cover and the moving rod are driven, and the outlet diameter is adjusted by using the limiting block and the guide vane of the track. The position is fixed by bolts, thus achieving simple and quick diameter adjustment.
It reduces workload, saves labor costs, simplifies the adjustment process of the propellant outlet, and adapts to the needs of boreholes of different diameters.
Smart Images

Figure CN223663855U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mixed loading vehicle technology, and in particular to a device for adjusting the outlet of a mixed loading vehicle for granular ammonium nitrate explosives. Background Technology
[0002] Ammonium nitrate explosives (ANFO) are powdery or granular explosive mixtures composed of ammonium nitrate and fuel. They are primarily suitable for open-pit blasting operations and blasting projects without the risk of methane or mine dust explosions. Using granular ANFO mixing trucks enables mechanized operations at open-pit blasting sites, reducing labor intensity and saving labor costs. However, in some open-pit mines where production scale has not yet reached saturation, the diameter of the blast holes at the blasting site is relatively small. Since the discharge port diameter of the mixing truck is a fixed specification from the manufacturer and is relatively large, manual secondary handling of the explosives and pouring them into the holes is required, significantly increasing labor intensity. Utility Model Content
[0003] This utility model aims to at least partially solve one of the technical problems in related technologies. Therefore, one objective of this utility model is to provide an adjustment device for the outlet of a granular ammonium nitrate explosive mixing vehicle, which reduces workload, saves labor costs, and is simple and quick to adjust.
[0004] The granular ammonium nitrate explosive mixing vehicle outlet adjustment device proposed in this utility model includes a top cover, a rotating component is provided in the middle of the side of the top cover, an adjustment component is fixed on the side of the rotating component, and a fixing component is fixed on the surface of the top cover.
[0005] Preferably, the rotating assembly includes a grooved ring, a rotating ring is movably connected inside the grooved ring, and a limiting ring that cooperates with the rotating ring is fixed to the bottom inner side of the grooved ring.
[0006] Preferably, the adjusting assembly includes an outer cylinder, a bottom cover fixed at the center of the bottom inner side of the outer cylinder, a number of blades movably connected between the top cover and the bottom cover in a circular array around the top cover, a limit block fixed at the top of the blades, a number of tracks cooperating with the limit block at the bottom of the top cover, a moving groove at the bottom of the blades, and a number of moving rods cooperating with the moving groove fixed at the top of the bottom cover.
[0007] Preferably, the fixing assembly includes a fixing plate, the top of which is through-inserted with a bolt threaded thereto, and a pressing disc is fixed at the bottom center of the bolt.
[0008] Preferably, a feed cylinder is fixed at the top center of the top cover.
[0009] Preferably, the top of the blade has an inclined surface.
[0010] The beneficial effects of this utility model are as follows: by rotating the outer cylinder, the bottom cover and the moving rod are simultaneously rotated. The rotation of the moving rod applies rotational force to the moving groove and blades at its top. The blades are then guided to move by the limiting block and the track. Thus, by rotating the outer cylinder, the movement of the blades inward or outward can be controlled, thereby adjusting the size of the outlet aperture. This reduces the workload, saves labor costs, and makes the adjustment simple and quick. Attached Figure Description
[0011] Figure 1 This is a three-dimensional structural diagram of the outlet adjustment device for the granular ammonium nitrate explosive mixing vehicle proposed in this utility model.
[0012] Figure 2 This is a cross-sectional schematic diagram of the outlet adjustment device for the granular ammonium nitrate explosive mixing vehicle proposed in this utility model.
[0013] Figure 3 This is a schematic diagram of the internal structure of the outer cylinder of the granular ammonium nitrate explosive mixing vehicle outlet adjustment device proposed in this utility model.
[0014] Figure 4 This is a schematic diagram of the top and bottom structure of the outlet adjustment device for the granular ammonium nitrate explosive mixing vehicle proposed in this utility model.
[0015] Figure 5 This is a schematic diagram of the top structure of the bottom cover of the adjusting device for the outlet of the granular ammonium nitrate explosive mixing vehicle proposed in this utility model.
[0016] In the diagram: 1. Top cover; 2. Rotating assembly; 3. Adjusting assembly; 4. Fixing assembly; 5. Groove ring; 6. Rotating ring; 7. Limiting ring; 8. Outer cylinder; 9. Bottom cover; 10. Blade; 11. Limiting block; 12. Track; 13. Moving groove; 14. Moving rod; 15. Fixing plate; 16. Bolt; 17. Extrusion plate; 18. Feeding cylinder. Detailed Implementation
[0017] Reference Figure 1-5 The discharge port adjustment device for a granular ammonium nitrate explosive mixing vehicle includes a top cover 1. A rotating component 2 is provided in the middle of the side of the top cover 1. An adjustment component 3 is fixed on the side of the rotating component 2. The rotating component 2 facilitates the rotation and limiting of the adjustment component 3. The size of the discharge port can be adjusted by the adjustment component 3. A fixing component 4 is fixed on the surface of the top cover 1. The fixing component 4 can squeeze and fix the position of the adjustment component 3.
[0018] The rotating assembly 2 includes a grooved ring 5, a rotating ring 6 is movably connected inside the grooved ring 5, and a limiting ring 7 is integrally formed on the inner bottom of the grooved ring 5 to cooperate with the rotating ring 6. The rotating ring 6 is rotated and limited by the grooved ring 5 and the limiting ring 7.
[0019] The adjusting assembly 3 includes an outer cylinder 8. A bottom cover 9 is interference-fitted to the center of the bottom inner side of the outer cylinder 8. Several blades 10 are movably connected to the top cover 1 and the bottom cover 9 in a circular array around the top cover 1. A limiting block 11 is integrally formed on the top of the blades 10. Several tracks 12 that cooperate with the limiting block 11 are opened at the bottom of the top cover 1. A moving groove 13 is opened at the bottom of the blades 10. Several moving rods 14 that cooperate with the moving groove 13 are integrally formed on the top of the bottom cover 9. By rotating the outer cylinder 8, the bottom cover 9 and the moving rods 14 are simultaneously rotated. The rotation of the moving rods 14 applies rotational force to the moving groove 13 and the blades 10 at their top. The limiting block 11 and the tracks 12 guide the movement of the blades 10. Thus, by rotating the outer cylinder 8, the movement of the blades 10 inward or outward is controlled, thereby adjusting the size of the outlet orifice.
[0020] The fixing component 4 includes a fixing plate 15. A bolt 16 is threadedly inserted into the top of the fixing plate 15. A pressing plate 17 is welded to the bottom center of the bolt 16. By rotating the bolt 16, it can be moved. The movement of the bolt 16 causes the pressing plate 17 to press the outer cylinder 8, thereby fixing the position of the outer cylinder 8.
[0021] A feeding cylinder 18 is welded to the center of the top of the top cover 1, which facilitates the feeding of raw materials.
[0022] The top of the blade 10 is provided with an inclined surface, which can prevent material from accumulating at the top and facilitate material discharge.
[0023] When using this device, the feeding cylinder 18 is fitted onto the discharge port of the mixing vehicle. When the discharge port diameter needs to be adjusted, the outer cylinder 8 is rotated, which simultaneously drives the bottom cover 9 and the moving rod 14 to rotate. The rotation of the moving rod 14 applies rotational force to the moving groove 13 and blade 10 at its top. The blade 10 is then guided to move by the limiting block 11 and the track 12. Thus, by rotating the outer cylinder 8, the movement of the blade 10 inward or outward is controlled, thereby adjusting the size of the outlet diameter. The movement of the bolt 16 is then driven to move the outer cylinder 8. The movement of the bolt 16 drives the extrusion plate 17 to extrude the outer cylinder 8, thereby fixing the position of the outer cylinder 8.
Claims
1. A device for adjusting the outlet of a granular ammonium nitrate explosive mixing vehicle, characterized in that: Includes a top cover (1), a rotating component (2) is provided in the middle of the side of the top cover (1), an adjusting component (3) is fixed to the side of the rotating component (2), and a fixing component (4) is fixed to the surface of the top cover (1). The rotating assembly (2) includes a grooved ring (5), and a rotating ring (6) is movably connected inside the grooved ring (5). A limiting ring (7) that cooperates with the rotating ring (6) is fixed at the bottom inner side of the grooved ring (5). The adjustment component (3) includes an outer cylinder (8), a bottom cover (9) is fixed at the center of the bottom of the inner side of the outer cylinder (8), and several blades (10) are movably connected between the top cover (1) and the bottom cover (9) in a circular array around the top cover (1). A limit block (11) is fixed at the top of the blade (10), and several tracks (12) that cooperate with the limit block (11) are opened at the bottom of the top cover (1). A moving groove (13) is opened at the bottom of the blade (10), and several moving rods (14) that cooperate with the moving groove (13) are fixed at the top of the bottom cover (9).
2. The outlet adjustment device for the granular ammonium nitrate explosive mixing vehicle according to claim 1, characterized in that: The fixing component (4) includes a fixing plate (15), the top of which is through which a bolt (16) is threadedly inserted, and a pressing disc (17) is fixed at the bottom center of the bolt (16).
3. The outlet adjustment device for the granular ammonium nitrate explosive mixing vehicle according to claim 1, characterized in that: The top center of the top cover (1) is fixed with a feed cylinder (18).
4. The outlet adjustment device for the granular ammonium nitrate explosive mixing vehicle according to claim 3, characterized in that: The blade (10) has an inclined surface at its top.