Explosive guiding pipe of ammonium nitrate fuel oil explosive truck

By designing the guide pipe for the ammonium nitrate explosive (AMF) explosive truck, the problem of limitations caused by the elevated spiral boom of the AMF explosive truck was solved, enabling efficient loading operations in complex environments, expanding the construction range and improving efficiency.

CN223807728UActive Publication Date: 2026-01-16XINJIANG ZHONGKUANG XINNENG MINING TECHNOLOGY ENGINEERING CO LTD
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Patent Information

Application Number
CN202520570299.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-16
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Due to the limited length of the elevated spiral boom, ammonium nitrate explosive trucks cannot load explosives beyond a 3.5-meter range, and they cannot move or reach the blasting hole in complex terrain, resulting in low construction efficiency.

Method used

A guide tube for an ammonium nitrate explosive vehicle was designed, including an outer tube sleeve, an inner tube fitting, and a movable tube. The extension and positioning of the guide tube are achieved through structures such as guiding components and limiting plates, which enhances the operating range, and the safety is ensured through sealing and ventilation structures.

Benefits of technology

This expands the operational range of the ammonium nitrate fuel oil (ANFO) explosives truck, enabling efficient loading operations in complex environments and improving construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of explosive filling, and discloses an ammonium nitrate fuel oil explosive truck explosive guiding pipe which comprises an outer pipe sleeve, an inner pipe fitting is fixedly sleeved with the outer pipe sleeve, a movable pipe is movably sleeved with the inner pipe fitting, a discharging pipe head is fixed to the end, extending out of the inner pipe fitting, of the movable pipe, and the discharging pipe head is fixedly connected with the outer pipe sleeve. A guide assembly is arranged between the movable pipe and the outer pipe sleeve, a limiting plate is fixed to one end of the outer pipe sleeve, a plurality of ventilation through holes are formed in the side wall of the limiting plate in a circular array mode, and the portion, located outside the ventilation through holes, of the side wall of the limiting plate is sleeved with a ring piece in a clamped mode. According to the utility model, the construction range of the existing ammonium nitrate fuel oil explosive truck is enlarged, the problem that operation cannot be carried out in some environments is solved, and the operation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to explosive loading technical field especially relates to ammonium nitrate fuel oil truck guide pipe. BACKGROUND

[0002] Be affected by the length of ammonium nitrate fuel oil truck overhead spiral arm, ammonium nitate fuel oil truck can only charge the blast hole in 3.5 meters range of explosive truck in the operation site, need often move ammonium nitrate fuel oil truck when carrying out the on-site operation, influence work efficiency, in the case of poor terrain, ammonium nitrate fuel oil truck cannot move, and the top overhead of ammonium nitate fuel oil truck plus end guide pipe also cannot reach the blast hole position, lead to unable to carry out the construction operation, need to solve the above problem, for this, designed the ammonium nitrate fuel oil truck guide pipe. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the related art is solved to some extent.The utility model provides an ammonium nitrate fuel oil truck guide pipe, which improves the construction range of the existing ammonium nitrate fuel oil truck, solves the problem of operation in some environments, and improves the operation efficiency.

[0004] The ammonium nitrate fuel oil truck guide pipe includes an outer sleeve, an inner sleeve fixed in the inner part of the outer sleeve, a moving tube movably sleeved in the inner sleeve, a discharge pipe head fixed to one end of the moving tube extending out of the inner sleeve, a guide assembly arranged between the moving tube and the outer sleeve, a limiting plate fixed to one end of the outer sleeve, a plurality of air permeation through holes circularly arranged in the side wall of the limiting plate, and a ring member sleeved on the side wall of the limiting plate outside the plurality of air permeation through holes.

[0005] Preferably, the guide assembly includes a first fixed ring fixed to the surface of the outer sleeve and a second fixed ring fixed to the surface of the moving tube, a guide rod threadedly fixed to the side wall of the second fixed ring, the guide rod penetrating through the first fixed ring, one end of the guide rod extending out of the first fixed ring being threadedly fixed with a synchronous ring, a lock catch fixed between the synchronous ring and the first fixed ring, and a hand gripping elbow pipe fixed to the surface of the synchronous ring and the first fixed ring.

[0006] Preferably, lock nuts are threadedly installed on both ends of the guide rod.

[0007] Preferably, an anti-skid sleeve is sleeved and fixed to the surface of the hand gripping elbow pipe.

[0008] Preferably, the ring member includes a ring plate abutting the limiting plate, a sealing column fixed to one side of the ring plate and sealingly abutting the through hole, and a grounding wire and a plurality of buckle synapses fixed to the other side of the ring plate.

[0009] Preferably, the mobile pipe is provided with a limiting ring at one end in the inner pipe, a fitting hole for the movement of the mobile pipe is formed in the center of the limiting plate, the outer diameter of the limiting ring is equal to the inner diameter of the inner pipe and is larger than the diameter of the fitting hole.

[0010] The beneficial effects of the utility model are that the ammonium oil explosive vehicle guide pipe is spirally connected with the elevated guide pipe, the operation range of the mixed loading vehicle is increased, mixed loading operation between high and low operation surfaces can be realized, and the construction efficiency of the existing oil explosive vehicle can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model provides an ammonium oil explosive vehicle guide pipe's whole structure schematic diagram.

[0012] Figure 2 The utility model provides an ammon ammonium oil explosive vehicle guide pipe's whole carrying transfer state schematic diagram.

[0013] Figure 3 The utility model provides an ammon ammonium oil explosive vehicle guide pipe's whole structure explosion map.

[0014] Figure 4 The utility model provides an ammon ammonium oil explosive vehicle guide pipe's guide subassembly structure schematic diagram.

[0015] Figure 5 The utility model provides an ammon ammonium oil explosive vehicle guide pipe's ring piece structure schematic diagram.

[0016] Figure 6 The utility model provides an ammon ammonium oil explosive vehicle guide pipe's outer pipe cover sectional view.

[0017] In the drawing: 1, outer pipe cover;2, inner pipe;3, mobile pipe;4, discharge pipe head;5, guide subassembly;51, first fixed ring;52, second fixed ring;53, guide rod;54, synchronous ring;55, lock catch;56, hand grab elbow pipe;6, limiting plate;7, gas permeation through hole;8, ring piece;9, ground wire. DETAILED DESCRIPTION

[0018] REFERENCE Figures 1-6 The utility model provides an ammon ammonium oil explosive vehicle guide pipe, including outer pipe cover 1, the inside of outer pipe cover 1 is equipped with the fixed inner pipe 2 of sleeve, the inside of inner pipe 2 is movably equipped with mobile pipe 3, and the one end of mobile pipe 3 extending out of inner pipe 2 is fixed with discharge pipe head 4, and guide subassembly 5 is arranged between mobile pipe 3 and outer pipe cover 1, and one end of outer pipe cover 1 is fixed with limiting plate 6, and the side wall of limiting plate 6 is circular array and is equipped with multiple gas permeation through holes 7, and the side wall of limiting plate 6 and the outside of multiple gas permeation through holes 7 are equipped with ring piece 8, and the sealing treatment is carried out between each pipe body.

[0019] The guide assembly 5 comprises a first fixed ring 51 fixed on the surface of the outer sleeve 1 and a second fixed ring 52 fixed on the surface of the moving tube 3, the side wall of the second fixed ring 52 is threadedly fixed with a guide rod 53, the guide rod 53 penetrates through the first fixed ring 51, the end of the guide rod 53 extending out of the first fixed ring 51 is threadedly fixed with a synchronous ring 54, the synchronous ring 54 is fixed between the first fixed ring 51 and the second fixed ring 52, a lock catch 55 is fixed between the first fixed ring 51 and the synchronous ring 54, the first fixed ring 51 is fixed on the surface of the outer sleeve 1, the synchronous ring 54 is fixed with the second fixed ring 52 through the guide rod 53, when the first fixed ring 51 and the synchronous ring 54 are fixed through the lock catch 55, the outer sleeve 1, the first fixed ring 51, the synchronous ring 54, the guide rod 53, the second synchronous ring 54 and the moving tube 3 are fixed as a whole, the positioning between the outer sleeve 1 and the moving tube 3 is realized, when the lock catch 55 is unlocked, the moving tube 3 can relatively move with the outer sleeve 1, the surface of the synchronous ring 54 and the first fixed ring 51 are both fixed with a hand gripping elbow 56.

[0020] The two ends of the guide rod 53 are threadedly installed with lock nuts, in order to prevent the loosening of the guide rod 53 during operation, causing the relative movement between the inner tube 2 and the moving tube 3, the lock nuts are additionally installed to enhance the fixing strength of the guide rod 53.

[0021] The surface of the hand gripping elbow 56 is fixed with an anti-skid sleeve, which is convenient for the construction personnel to grasp.

[0022] The ring piece 8 comprises a ring plate abutting against the limiting plate 6, one side of the ring plate is fixed with a sealing column abutting and sealing against the through hole, when the positions of the inner tube 2 and the moving tube 3 are adjusted, since the limiting ring at one end of the moving tube 3 abuts against the inner wall of the inner tube 2, a sealed space is formed between the inner tube 2 and the moving tube 3, when the relative movement occurs, the gas between the inner tube 2 and the moving tube 3 is compressed, preventing the ammonium oil explosive from being ignited when the gas is compressed, the gas discharge hole is arranged to discharge the gas in time, after the position adjustment is completed, the ring piece 8 is buckled to realize the sealing, the other side of the ring plate is fixed with a grounding wire 9 and a plurality of buckling synapses, the grounding wire 9 is arranged to timely discharge the electric charge accumulated in the ammonium oil explosive truck, the buckling synapses are arranged to facilitate the taking out of the ring piece 8 from the gas discharge hole 7.

[0023] The one end of the moving tube 3 located in the inner tube 2 is provided with a limiting ring, the center position of the limiting plate 6 is provided with an assembly hole for the movement of the moving tube 3, the outer diameter value of the limiting ring is equal to the inner diameter value of the inner tube 2 and is greater than the diameter value of the assembly hole.

[0024] The surface of the inner pipe 2 is fixed with a first flange, and the end of the inner pipe 2 close to the first flange is provided with a mounting thread, the top of the ammonium nitrate fuel oil truck is provided with an overhead, and the end of the overhead is provided with a guide pipe, which are existing structures. In order to lengthen the working radius of the ammonium nitrate fuel oil truck, a threaded connecting sleeve is installed at the end of the guide pipe, and the threaded connecting sleeve is screwed with the threaded end of the inner pipe 2 of the guide pipe of the ammonium nitrate fuel oil truck, so as to lengthen the guide pipe of the overhead and increase the working radius of the ammonium nitrate fuel oil truck. The two ends of the outer pipe sleeve 1 are welded with a second flange, and the two second flanges are fixed with bolts between the first flange and the limiting plate 6. The third flange is fixed at one end of the inner pipe 2 outside the moving pipe 3, and the fourth flange is fixed at the rough end of the discharge pipe head 4. The third flange and the fourth flange are fixed with bolts.

[0025] When the device is used, the threaded end of the inner pipe 2 of the guide pipe of the ammonium nitrate fuel oil truck is screwed with the end of the guide pipe of the overhead of the top of the ammonium nitrate fuel oil truck, the ring 8 of the side wall of the limiting plate 6 is separated, the air permeable hole 7 is exposed, the grounding wire 9 is fixed on the surface of the ring 8, and after the preparation work is completed, the moving pipe 3 is moved by pushing the synchronous ring 54 until the synchronous ring 54 contacts the first fixed ring 51, and the synchronous ring 54 and the first fixed ring 51 are fixed by the lock 55, so as to extend the discharge pipe head 4 to the limit position and position. Finally, the ring 8 is buckled into the air permeable hole 7, the assembly of the guide pipe of the ammonium nitrate fuel oil truck is completed, and the subsequent ammonium nitrate fuel oil truck can be directly used for feeding. The construction worker can hold the hand-held hand elbow pipe 56 to lift the entire ammonium nitrate fuel oil truck guide pipe and move it, align the discharge pipe head 4 with the blasting hole, and discharge the explosive from the discharge pipe head 4 into the blasting hole.

Claims

1. An ammonium nitrate fuel oil car loading tube characterized by: The utility model provides an outer pipe sleeve, the inside of outer pipe sleeve is fixed with the inner tube spare, the inside of inner tube spare is movably sleeved with the moving pipe, the one end of moving pipe is fixed with the discharge pipe head outside inner tube spare, the moving pipe is provided with the guide component with outer pipe sleeve, one end of outer pipe sleeve is fixed with the limiting board, the lateral wall of limiting board is circular array and is provided with a plurality of air -permeable through -hole, the lateral wall of limiting board and the outside of a plurality of air -permeable through -hole are clamped with ring piece.

2. The ammonium nitrate fuel oil car charging hose of claim 1, wherein: The guide component includes a first fixed ring fixed to the surface of the outer pipe sleeve and a second fixed ring fixed to the surface of the moving pipe. The lateral wall of the second fixed ring is threadedly fixed with a guide rod. The guide rod penetrates the first fixed ring. The end of the guide rod extending out of the first fixed ring is threadedly fixed with a synchronous ring. The synchronous ring and the first fixed ring are fixed with a lock. The surface of the synchronous ring and the first fixed ring is fixed with a hand grabbing elbow pipe.

3. The ammonium nitrate fuel oil car charging hose of claim 2, wherein: The two ends of the guide rod are threadedly installed with lock nuts.

4. The ammonium nitrate fuel oil car charging hose of claim 2, wherein: The surface of the hand grabbing elbow pipe is sleeved with an anti-skid sleeve.

5. The ammonium nitrate fuel oil car charging hose of claim 1, wherein: The ring piece includes a ring plate abutting the limiting board. One side of the ring plate is fixed with a sealing column abutting and sealing the through hole. The other side of the ring plate is fixed with a grounding wire and a plurality of buckle synapses.

6. The ammonium nitrate fuel oil car charging hose of claim 1, wherein: The one end of the moving pipe located in the inner tube spare is provided with a limiting ring. The center of the limiting board is provided with an assembly hole for the movement of the moving pipe. The outer diameter of the limiting ring is equal to the inner diameter of the inner tube spare and is greater than the diameter of the assembly hole.