Conveying and crushing device for high-free-flowing expanded ammonium nitrate explosive

Abstract

The invention discloses a conveying and crushing device for high-fluidity expanded ammonium nitrate explosives, and relates to the technical field of high-fluidity expanded ammonium nitrate explosives, the conveying and crushing device comprises a round frame, four through holes are formed in the edge of the outer side of the round frame, and fixing pipes are fixedly connected to inner cavities of the through holes; through mutual cooperation of a first motor, crushing blades, a supporting frame, a connecting cylinder and other structures, the high-free-running expanded ammonium nitrate explosive can enter a round frame through a movable pipe and a fixed pipe, the first motor crushes the high-free-running expanded ammonium nitrate explosive through the crushing blades, and in the crushing process, the high-free-running expanded ammonium nitrate explosive is crushed through the crushing blades; the movable pipe and the fixed pipe are sealed through the connecting disc and the limiting disc, so that the crushing effect of the high-free-running expanded ammonium nitrate explosive can be better improved, if a plurality of devices are connected together, the devices are connected in an attached mode through the movable pipe, and after the high-free-running expanded ammonium nitrate explosive is crushed for one time, the device can be used for crushing the high-free-running expanded ammonium nitrate explosive. And the materials enter the other device for further crushing through the adjacent movable pipe and screw rod.

Description

Technical Field

[0001] The invention relates to the technical field of high-fluidity expanded ammonium nitrate explosives, in particular to a conveying and crushing device for high-fluidity expanded ammonium nitrate explosives. Background Art

[0002] Ammonium nitrate explosive is a powdery explosive mechanical mixture and one of the most widely used types of industrial explosives. It has medium power and certain sensitivity. It is hygroscopic and agglomerated. Its sensitivity and power are significantly reduced when damp. It also produces poisonous gas. It will explode under high temperature, high pressure and the presence of oxidizable substances. Safety regulations must be strictly observed during production, storage, transportation and use.

[0003] However, there are some problems in the crushing and transportation process of the existing high-dispersion expanded ammonium nitrate explosive. The flexibility of the existing high-dispersion expanded ammonium nitrate explosive itself is poor during the crushing and transportation process, and it is not convenient to freely adjust the feeding and discharging positions. At the same time, the application range of the device itself is narrow, and it is not convenient to adjust the shape of the device according to the working environment. When the device is crushing the high-dispersion expanded ammonium nitrate explosive, if the current device does not achieve the expected crushing effect on the high-dispersion expanded ammonium nitrate explosive, it is repeatedly taken out and put into the device for crushing again. This operation may increase the workload of the staff. Summary of the invention

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a conveying and crushing device for highly dispersible expanded ammonium nitrate explosive, comprising a circular frame, wherein the outer edge of the circular frame is provided with four through holes, the inner cavities of the through holes are all fixedly connected with fixed tubes, the front side of the circular frame is provided with a first motor, the power output shaft of the first motor is fixedly connected with a first transmission rod, the rear end of the first transmission rod passes through the front side of the circular frame and is inserted into the rear side of the inner cavity of the circular frame, the outer edge of the first transmission rod is fixedly connected with a plurality of crushing blades, the front and rear sides of the circular frame are both fixedly connected with four connecting cylinders, the front and rear sides of the circular frame are both provided with support frames, one end of the support frame close to the circular frame is located in the inner cavity of an adjacent connecting cylinder, the inner cavity of the connecting cylinder is fixedly connected with a first magnet, one end of the support frame close to the circular frame is provided with a groove, the inner cavity of the groove is fixedly connected with a second magnet, the adjacent first magnet and second magnet are arranged to fit each other, and a conveying mechanism is provided at the outer edge of the circular frame.

[0005] Preferably, the conveying mechanism includes four movable tubes, and the four movable tubes are arranged in a circular array with the center of the circular frame as the center. A first annular groove is provided on the side of the inner cavity of the fixed tube away from the circular frame, and an internal thread is provided in the first annular groove. One end of the movable tube close to the circular frame is fixedly connected to a threaded tube, and the threaded tube is threadedly connected to an adjacent internal thread. A second motor is provided on the front side of the fixed tube, and a second transmission rod is fixedly connected to the power output shaft of the second motor. The rear end of the second transmission rod passes through the front side of the fixed tube and extends to the inner cavity of the fixed tube. The rear end of the second transmission rod is fixedly connected to a first bevel gear, and the first bevel gear is fixedly connected to the side away from the circular frame. A second bevel gear is meshed with each other, and a protective cover is jointly sleeved on the outer edges of the adjacent first bevel gear and second bevel gear. A connecting hole is provided on the side of the protective cover away from the circular frame. A connecting rod is fixedly connected to the side of the second bevel gear away from the circular frame. The end of the connecting rod away from the second bevel gear passes through the adjacent connecting hole. Two convex plates are fixedly connected to the outer edges of the connecting rod. A spiral rod is provided in the inner cavity of the movable tube. A blind hole is provided at the end of the spiral rod close to the circular frame. Two connecting grooves are provided on the side walls of the inner cavity of the blind hole. The end of the connecting rod away from the second bevel gear extends to the adjacent blind hole inner cavity, and the convex plate is located in the adjacent connecting groove inner cavity.

[0006] Preferably, four fixing blocks are fixedly connected to the side of the outer edge of the spiral rod close to the circular frame, a fixing ring is sleeved on the side of the outer edge of the spiral rod close to the circular frame, a second annular groove is opened on the side wall of the inner cavity of the fixing ring, the four fixing blocks are located in the adjacent second annular groove inner cavity, four limiting rods are fixedly connected to the outer edge of the fixing ring, and one end of the limiting rod away from the fixing ring is fixedly connected to the side wall of the inner cavity of the adjacent movable tube.

[0007] Preferably, a threaded hole is provided at the end of the support frame located on the rear side away from the round frame, and a threaded rod is inserted at the end of the support frame located on the front side. Four handles are fixedly connected to the outer edge of the threaded rod near the front side, and the threaded rod is threadedly connected to the inner cavity of the adjacent threaded hole.

[0008] Preferably, four limiting plates are provided at the rear side of the circular frame, and two second elastic ropes are fixedly connected to the outer edges of the limiting plates, and one end of the second elastic rope away from the limiting plate is fixedly connected to the outer edge of the circular frame.

[0009] Preferably, a connection plate is fitted at one end of the movable tube away from the circular frame, two first elastic ropes are fixedly connected to the outer edge of the connection plate, and one end of the first elastic rope away from the connection plate is fixedly connected to the outer edge of the adjacent movable tube.

[0010] Preferably, universal wheels are fixedly connected to the bottom of the support frame near the left and right sides.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The present invention can achieve high-fluidity expanded ammonium nitrate explosive entering the inside of the circular frame through the movable tube and the fixed tube through the mutual cooperation between the first motor, the crushing blades, the support frame, the connecting tube and other structures. The first motor crushes the high-fluidity expanded ammonium nitrate explosive through the crushing blades. During the crushing process, the movable tube and the fixed tube are sealed by the connecting plate and the limit plate, so as to further improve the crushing effect of the high-fluidity expanded ammonium nitrate explosive. If multiple devices are connected together, the devices are connected by the movable tube. After the high-fluidity expanded ammonium nitrate explosive is crushed once, it enters another device through the adjacent movable tube and the spiral rod for further crushing.

[0013] Through the mutual cooperation among the movable tube, the second motor, the spiral rod, the protective cover and other structures, the movable tube can be installed on the fixed tube through the threaded tube, the connecting rod and the convex plate enter the groove at one end of the spiral rod, the second motor drives the first umbrella gear to rotate, the first umbrella gear drives the second umbrella gear to rotate, the second umbrella gear drives the connecting rod and the convex plate to rotate, the convex plate drives the spiral rod to rotate, and the spiral rod can discharge and transport the crushed high-fluidity expanded ammonium nitrate explosive, thereby improving the transportation efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a stereogram of the present invention;

[0015] Figure 2 This is a diagram of the movable tube disassembly working state of the present invention;

[0016] Figure 3 This is a schematic diagram of the component support structure of the present invention;

[0017] Figure 4 It is a schematic diagram of the circular frame structure of the components of the present invention;

[0018] Figure 5 This is a schematic diagram of the structure of the limiting plate of the component of the present invention;

[0019] Figure 6 This is an exploded view of the movable tube of the component of the present invention;

[0020] Figure 7 This is a schematic diagram of the protective cover structure of the component of the present invention;

[0021] Figure 8 This is a schematic diagram of the structure of the spiral rod component of the present invention;

[0022] Fig. 9 This is a schematic diagram of the structure of the second motor of the component of the present invention;

[0023] Fig.10 This is a schematic diagram of the structure of the first motor of the component of the present invention;

[0024] Fig.11 This is a schematic diagram of the first magnet structure of the component of the present invention;

[0025] Fig.12 This is a schematic diagram of the structure of the component fixing block of the present invention;

[0026] Fig.13 This is a schematic diagram of the structure of the fixing ring of the component of the present invention;

[0027] Fig.14 for Figure 3 Enlarged view of point A in the middle;

[0028] Fig.15 for Figure 3 Enlarged view of point B in the middle.

[0029] Numbers in the figure: 1, round frame; 2, fixed tube; 3, movable tube; 4, first motor; 5, first transmission rod; 6, crushing blade; 7, connecting tube; 8, support frame; 9, connecting plate; 10, first elastic rope; 11, limiting plate; 12, second elastic rope; 13, threaded tube; 14, spiral rod; 15, protective cover; 16, second motor; 17, second transmission rod; 18, first bevel gear; 19, second bevel gear; 20, connecting rod; 21, convex plate; 22, fixing ring; 23, first magnet; 24, fixing block; 25, limiting rod; 26, threaded rod; 27, handle; 28, universal wheel; 29, second magnet. DETAILED DESCRIPTION

[0030] See also Figure 1-15 , the present invention provides a technical solution:

[0031] Embodiment 1:

[0032] A conveying and crushing device for highly fluid expanded ammonium nitrate explosive comprises a circular frame 1, wherein four through holes are provided on the outer edge of the circular frame 1, wherein the inner cavities of the through holes are all fixedly connected with fixed tubes 2, a first motor 4 is provided on the front side of the circular frame 1, wherein the power output shaft of the first motor 4 is fixedly connected with a first transmission rod 5, wherein the rear end of the first transmission rod 5 passes through the front side of the circular frame 1 and is plugged into the rear side of the inner cavity of the circular frame 1, wherein a plurality of crushing blades 6 are fixedly connected to the outer edge of the first transmission rod 5, wherein four connecting tubes 7 are fixedly connected on the front and rear sides of the circular frame 1, wherein a support frame 8 is provided on the front and rear sides of the circular frame 1, wherein one end of the support frame 8 close to the circular frame 1 is located in the inner cavity of the adjacent connecting tube 7, wherein the inner cavity of the connecting tube 7 is fixedly connected with a first magnet 23, and one end of the support frame 8 close to the circular frame 1 is provided with a groove, wherein the groove The inner cavities are all fixedly connected with second magnets 29, and the adjacent first magnets 23 and second magnets 29 are arranged to fit each other. A conveying mechanism is provided on the outer edge of the circular frame 1, and a threaded hole is provided on the end of the rear support frame 8 away from the circular frame 1, and a threaded rod 26 is inserted on the end of the front support frame 8 away from the circular frame 1. Four handles 27 are fixedly connected to the outer edges of the threaded rods 26 near the front side, and the threaded rods 26 are threadedly connected to the inner cavities of adjacent threaded holes. Universal wheels 28 are fixedly connected to the bottom of the support frame 8 near the left and right sides, and four limiting plates 11 are provided on the rear side of the circular frame 1. Two second elastic ropes 12 are fixedly connected to the outer edges of the limiting plates 11, and the ends of the second elastic ropes 12 away from the limiting plates 11 are fixedly connected to the outer edge of the circular frame 1;

[0033] The highly fluid expanded ammonium nitrate explosive enters the interior of the circular frame 1 through the movable tube 3 and the fixed tube 2, and the first motor 4 crushes the highly fluid expanded ammonium nitrate explosive through the crushing blades 6. During the crushing process, the movable tube 3 and the fixed tube 2 are sealed by the connecting plate 9 and the limiting plate 11, so as to further improve the crushing effect of the highly fluid expanded ammonium nitrate explosive. If multiple devices are connected together, the devices are fitted and connected through the movable tube 3. After the highly fluid expanded ammonium nitrate explosive is crushed once, it enters another device through the adjacent movable tube 3 and the spiral rod 14 for further crushing.

[0034] Embodiment 2:

[0035] The conveying mechanism includes four movable tubes 3, which are arranged in a circular array with the center of the circular frame 1 as the center. A first annular groove is provided on the side of the inner cavity of the fixed tube 2 away from the circular frame 1, and an internal thread is provided in the first annular groove. The end of the movable tube 3 close to the circular frame 1 is fixedly connected to a threaded tube 13, and the threaded tube 13 is threadedly connected to the adjacent internal thread. A second motor 16 is provided on the front side of the fixed tube 2, and the power output shaft of the second motor 16 is fixedly connected to a second transmission rod 17. The rear end of the second transmission rod 17 passes through the front side of the fixed tube 2 and extends to the inner cavity of the fixed tube 2. The rear end of the second transmission rod 17 is fixedly connected to a first bevel gear 18, and the first bevel gear 18 is meshed with a second bevel gear 18 on the side away from the circular frame 1. The outer edges of the bevel gear 19, the adjacent first bevel gear 18 and the second bevel gear 19 are jointly sleeved with a protective cover 15, the side of the protective cover 15 away from the circular frame 1 is provided with a connecting hole, the side of the second bevel gear 19 away from the circular frame 1 is fixedly connected with a connecting rod 20, the end of the connecting rod 20 away from the second bevel gear 19 passes through the adjacent connecting hole, the outer edge of the connecting rod 20 is fixedly connected with two convex plates 21, the inner cavity of the movable tube 3 is provided with a spiral rod 14, the end of the spiral rod 14 close to the circular frame 1 is provided with a blind hole, the side wall of the inner cavity of the blind hole is provided with two connecting grooves, the end of the connecting rod 20 away from the second bevel gear 19 extends to the adjacent blind hole inner cavity, and the convex plate 21 is located in the adjacent connecting groove inner cavity;

[0036] Four fixing blocks 24 are fixedly connected to the side of the outer edge of the spiral rod 14 close to the round frame 1, and a fixing ring 22 is sleeved on the side of the outer edge of the spiral rod 14 close to the round frame 1. The side wall of the inner cavity of the fixing ring 22 is provided with a second annular groove, and the four fixing blocks 24 are located in the inner cavity of the adjacent second annular groove. Four limiting rods 25 are fixedly connected to the outer edge of the fixing ring 22, and one end of the limiting rod 25 away from the fixing ring 22 is fixedly connected to the inner cavity side wall of the adjacent movable tube 3. The end of the movable tube 3 away from the round frame 1 is fitted with a connecting disk 9, and the outer edge of the connecting disk 9 is fixedly connected to two first elastic ropes 10, and one end of the first elastic rope 10 away from the connecting disk 9 is fixedly connected to the outer edge of the adjacent movable tube 3;

[0037] The movable tube 3 can be installed on the fixed tube 2 through the threaded tube 13, the connecting rod 20 and the convex plate 21 enter the groove at one end of the spiral rod 14, the second motor 16 drives the first bevel gear 18 to rotate, the first bevel gear 18 drives the second bevel gear 19 to rotate, the second bevel gear 19 drives the connecting rod 20 and the convex plate 21 to rotate, the convex plate 21 drives the spiral rod 14 to rotate, and the spiral rod 14 can discharge and transport the crushed high-dispersion expanded ammonium nitrate explosive, thereby improving the transportation efficiency of the device.

[0038] Working principle: before the device starts working, the staff installs or disassembles the movable tube 3 according to the actual operation requirements. When installing the movable tube 3, first align the groove on the spiral rod 14 inside the movable tube 3 with the connecting rod 20 and the convex plate 21, and then rotate the movable tube 3, the movable tube 3 drives the threaded tube 13 to rotate, and rotates the threaded tube 13 to the inside of the fixed tube 2, so as to install the movable tube 3. When disassembling the movable tube 3, rotate the movable tube 3 and take the threaded tube 13 out of the fixed tube 2. After disassembling the movable tube 3, the exposed opening at one end of the fixed tube 2 needs to be covered to prevent the leakage of the highly dispersible expanded ammonium nitrate explosive. The staff moves the limit plate 11, the limit plate 11 drives the second elastic rope 12 to stretch, and the limit plate 11 is placed at one end of the fixed tube 2 to seal it.

[0039] When the device starts working, the staff will pour the high-dispersion expanded ammonium nitrate explosive into any movable tube 3 except the lower movable tube 3, start the adjacent second motor 16, the adjacent second motor 16 drives the adjacent second transmission rod 17 to rotate, the second transmission rod 17 drives the first bevel gear 18 to rotate, the first bevel gear 18 drives the second bevel gear 19 to rotate, the second bevel gear 19 drives the connecting rod 20 to rotate, the connecting rod 20 drives the convex plate 21 to rotate, the convex plate 21 drives the screw rod 14 to rotate, the screw rod 14 drives the fixed block 24 to rotate, the screw rod 14 transports the high-dispersion expanded ammonium nitrate explosive, and transports the high-dispersion expanded ammonium nitrate explosive to the inside of the circular frame 1, in advance The first motor 4 is started, the first motor 4 drives the first transmission rod 5 to rotate, the first transmission rod 5 drives the crushing blades 6 to rotate, the crushing blades 6 crush the high-dispersion expanded ammonium nitrate explosive, if the current device has achieved the crushing effect on the high-dispersion expanded ammonium nitrate explosive, the second motor 16 below can be started, the second motor 16 below drives the second transmission rod 17 below to rotate, the second transmission rod 17 below drives the adjacent first bevel gear 18 to rotate, the first bevel gear 18 drives the second bevel gear 19 to rotate, the second bevel gear 19 drives the adjacent connecting rod 20 and the convex plate 21 to rotate, the convex plate 21 drives the lower spiral rod 14 to rotate, the lower spiral rod 14 drives the high-dispersion expanded ammonium nitrate explosive to rotate. If the current device does not achieve the desired crushing effect on the highly fluid expanded ammonium nitrate explosive, first place the lower connecting plate 9 at the bottom of the lower movable tube 3, stretch the first elastic rope 10, and then start the lower second motor 16 to transport the highly fluid expanded ammonium nitrate explosive to the interior of the lower movable tube 3. At this time, the highly fluid expanded ammonium nitrate explosive will no longer be discharged, but the handle 27 will be turned, and the handle 27 will drive the threaded rod 26 to rotate, and the threaded rod 26 will gradually be taken out from the rear support frame 8, and the front and rear support frames 8 will be removed from the surface of the circular frame 1, and the circular frame 1 will be driven to rotate by an external device, and the circular frame 1 will be rotated 90 degrees, and the movable tube 3 originally located at the bottom will be rotated to the right side of the device, and the support frame 8 will be reinstalled on the surface of the circular frame 1. Next, take out another device, align the movable tube 3 on the left side of the other device with the movable tube 3 on the right side of the device containing the highly fluid expanded ammonium nitrate explosive, start the second motor 16 on the movable tube 3 on the right side of the device containing the highly fluid expanded ammonium nitrate explosive, the second motor 16 drives the second transmission rod 17 to rotate, the second transmission rod 17 drives the adjacent first bevel gear 18 to rotate, the first bevel gear 18 drives the second bevel gear 19 to rotate, the second bevel gear 19 drives the adjacent connecting rod 20 and the convex plate 21 to rotate, the convex plate 21 drives the spiral rod 14 to rotate, the spiral rod 14 then transports the crushed highly fluid expanded ammonium nitrate explosive to the inside of the movable tube 3 on the left side of the other device, so as to carry out further crushing.

Claims

1. A device for conveying and crushing highly dispersible expanded ammonium nitrate explosives, comprising a circular frame (1), characterized in that: The outer edge of the circular frame (1) is provided with four through holes, and the inner cavities of the through holes are all fixedly connected to fixed tubes (2). A first motor (4) is provided on the front side of the circular frame (1), and a power output shaft of the first motor (4) is fixedly connected to a first transmission rod (5). The rear end of the first transmission rod (5) passes through the front side of the circular frame (1) and is inserted into the rear side of the inner cavity of the circular frame (1). A plurality of crushing blades (6) are fixedly connected to the outer edge of the first transmission rod (5). Four connecting tubes ( 7), support frames (8) are provided on both the front and rear sides of the circular frame (1), one end of the support frame (8) close to the circular frame (1) is located in the inner cavity of an adjacent connecting tube (7), the inner cavity of the connecting tube (7) is fixedly connected with a first magnet (23), one end of the support frame (8) close to the circular frame (1) is provided with a groove, the inner cavity of the groove is fixedly connected with a second magnet (29), the adjacent first magnet (23) and second magnet (29) are arranged to fit each other, and a conveying mechanism is provided on the outer edge of the circular frame (1).

2. The device for conveying and crushing highly dispersible expanded ammonium nitrate explosive according to claim 1, characterized in that: The conveying mechanism comprises four movable tubes (3), the four movable tubes (3) being arranged in a circular array with the center of the circular frame (1) as the center, a first annular groove being provided on the side of the inner cavity of the fixed tube (2) away from the circular frame (1), an internal thread being provided in the first annular groove, a threaded tube (13) being fixedly connected to the end of the movable tube (3) close to the circular frame (1), the threaded tube (13) being threadedly connected to the adjacent internal thread, a second motor (16) being provided on the front side of the fixed tube (2), a second transmission rod (17) being fixedly connected to the power output shaft of the second motor (16), a rear end of the second transmission rod (17) passing through the front side of the fixed tube (2) and extending to the inner cavity of the fixed tube (2), a rear end of the second transmission rod (17) being fixedly connected to a first bevel gear (18), a side of the first bevel gear (18) away from the circular frame (1) being meshed with a second gear (13) being provided with a second gear (17). Two bevel gears (19), the outer edges of the adjacent first bevel gear (18) and second bevel gear (19) are jointly sleeved with a protective cover (15), a connecting hole is provided on the side of the protective cover (15) away from the circular frame (1), a connecting rod (20) is fixedly connected to the side of the second bevel gear (19) away from the circular frame (1), an end of the connecting rod (20) away from the second bevel gear (19) passes through the adjacent connecting hole, and two convex plates (21) are fixedly connected to the outer edge of the connecting rod (20), the inner cavity of the movable tube (3) is provided with a spiral rod (14), the end of the spiral rod (14) close to the circular frame (1) is provided with a blind hole, and the side wall of the inner cavity of the blind hole is provided with two connecting grooves, the end of the connecting rod (20) away from the second bevel gear (19) extends to the inner cavity of the adjacent blind hole, and the convex plate (21) is located in the inner cavity of the adjacent connecting groove.

3. The device for conveying and crushing highly dispersible expanded ammonium nitrate explosive according to claim 2, characterized in that: Four fixing blocks (24) are fixedly connected to the side of the outer edge of the spiral rod (14) close to the circular frame (1); a fixing ring (22) is sleeved on the side of the outer edge of the spiral rod (14) close to the circular frame (1); a second annular groove is provided on the inner cavity side wall of the fixing ring (22); the four fixing blocks (24) are located in the inner cavity of adjacent second annular grooves; four limiting rods (25) are fixedly connected to the outer edge of the fixing ring (22); one end of the limiting rod (25) away from the fixing ring (22) is fixedly connected to the inner cavity side wall of the adjacent movable tube (3).

4. The device for conveying and crushing highly dispersible expanded ammonium nitrate explosive according to claim 1, characterized in that: A threaded hole is provided at one end of the support frame (8) at the rear side away from the round frame (1), and a threaded rod (26) is inserted at one end of the support frame (8) at the front side away from the round frame (1). Four handles (27) are fixedly connected to the outer edge of the threaded rod (26) near the front side, and the threaded rod (26) is threadedly connected to the inner cavity of the adjacent threaded hole.

5. The device for conveying and crushing highly dispersible expanded ammonium nitrate explosive according to claim 1, characterized in that: Four limiting plates (11) are arranged on the rear side of the circular frame (1), and two second elastic ropes (12) are fixedly connected to the outer edges of the limiting plates (11), and one end of the second elastic rope (12) away from the limiting plates (11) is fixedly connected to the outer edge of the circular frame (1).

6. The device for conveying and crushing highly dispersible expanded ammonium nitrate explosive according to claim 2, characterized in that: The ends of the movable tubes (3) away from the circular frame (1) are fitted with a connection plate (9), the outer edges of the connection plates (9) are fixedly connected to two first elastic ropes (10), and the ends of the first elastic ropes (10) away from the connection plates (9) are fixedly connected to the outer edges of the adjacent movable tubes (3).

7. The device for conveying and crushing highly dispersible expanded ammonium nitrate explosive according to claim 1, characterized in that: Universal wheels (28) are fixedly connected to the bottom of the support frame (8) near the left and right sides.

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