Explosive device convenient for liquid oxygen filling

Abstract

The utility model relates to an explosive device facilitating liquid oxygen filling, and relates to the technical field of blasting. The device comprises a prefabricated structure, two distributors and a liquid oxygen tank, a fracturing pipe is installed on the inner side of the prefabricated structure, a movable frame is arranged on the lower side of the liquid oxygen tank, the liquid oxygen tank is longitudinally clamped on the movable frame, and the two distributors are fixed to the positions, close to the front side and the rear side, of the movable frame correspondingly; the front distributor and the rear distributor are arranged on the left side of the liquid oxygen tank. The liquid oxygen tank is fixed and transferred through the moving frame by clamping the liquid oxygen tank, the prefabricated structure is positioned and placed through the arranged placing frame, and meanwhile, the distributor is fixedly installed through the moving frame, so that the liquid oxygen tank, the distributor and the prefabricated structure are integrally transferred through the moving frame. Therefore, the liquid oxygen tank, the distributor and the prefabricated structure can be transferred and actually used more conveniently, and liquid oxygen filling operation of explosives is more convenient and easier.

Description

Technical Field

[0001] The present application relates to the field of blasting technology, and in particular to an explosive device that is convenient for liquid oxygen injection. Background Art

[0002] Construction companies usually do not use traditional industrial explosives blasting methods, but tend to use non-industrial explosives - liquid oxygen explosives. The existing method of making liquid oxygen explosives is to wrap the combustible material with paper, soak the paper bag in liquid oxygen to make explosives, and then place it at the blasting site, and then use detonators to detonate it.

[0003] The Chinese patent with the announcement number CN220708233U discloses an explosive device that facilitates liquid oxygen infusion, which includes a liquid oxygen storage tank, a liquid oxygen distributor group and a prefabricated structure; the prefabricated structure includes a fracturing tube, an absorbent layer, a sealing surface, an exhaust pipe, an electric ignition head, a ignition wire and an initiator, the top end of the fracturing tube is open and the bottom end is closed; the outlet of the liquid oxygen storage tank is connected to the inlet of the liquid oxygen distributor group through a liquid oxygen delivery pipeline, and the outlets of each branch of the liquid oxygen distributor group are detachably connected to the fracturing tube; the middle and lower sections of the fracturing tube are wrapped with an absorbent layer, and the outer surface of the absorbent layer is sealed with a sealing surface, and a plurality of liquid oxygen outlets are uniformly opened along the length direction on the side wall of the fracturing tube inside the sealing surface; the sealing surface near the top of the fracturing tube is sealed and connected to the exhaust pipe, and the bottom side of the sealing surface is installed with an electric ignition head, one end of the electric ignition head is connected to the ignition wire, and one end of the ignition wire is connected to the initiator.

[0004] The above-mentioned explosive device that is convenient for liquid oxygen injection is implemented by placing a prefabricated structure in a blasthole, then using a liquid oxygen tank to inject liquid oxygen into the prefabricated structure and finally detonating it to complete the blasting. The prefabricated structure is directly transferred to the blasting site for assembly with the liquid oxygen storage tank and the liquid oxygen distributor. The operation is simple and the installation is convenient. However, manual handling is required to transport the liquid oxygen tank, the distributor group and the prefabricated structure to the construction site. Even if a transport cart is used, the transportation operation of the liquid oxygen tank, the distributor group and the prefabricated structure is not convenient. Utility Model Content

[0005] In order to solve the problem of transporting the liquid oxygen tank, the distributor group and the prefabricated structure to the construction site, the present application provides an explosive device that is convenient for liquid oxygen injection.

[0006] The present application provides an explosive device that facilitates liquid oxygen injection, which adopts the following technical solution:

[0007] The invention discloses an explosive device for facilitating liquid oxygen perfusion, comprising a prefabricated structure, a distributor and a liquid oxygen tank. A fracturing tube is installed on the inner side of the prefabricated structure. A movable frame is provided on the lower side of the liquid oxygen tank and is longitudinally mounted on the movable frame. Two distributors are provided and are respectively fixed on positions near the front and rear sides of the movable frame. The front and rear distributors are both provided on the left side of the liquid oxygen tank and are connected to the liquid oxygen tank through pipelines. A placement frame for positioning the prefabricated structure is provided between the front and rear distributors and is hung on the movable frame. A plurality of connecting pipes are fixed on opposite sides of the front and rear distributors, and a connector detachably connected to the prefabricated structure is fixed at one end of the connecting pipe.

[0008] By adopting the above technical solution, the mobile rack fixes and transports the liquid oxygen tank by clamping it, and is used to position and place the prefabricated structure through the provided placement rack. At the same time, the mobile rack fixes and installs the dispenser to achieve the integrated transport of the liquid oxygen tank, dispenser and prefabricated structure by the mobile rack, thereby making the transport and actual use of the liquid oxygen tank, dispenser and prefabricated structure more convenient, thereby making the liquid oxygen perfusion operation of the explosive more convenient and easy.

[0009] Optionally, the placement rack includes a placement seat, a positioning plate is provided on the upper side of the placement seat, and support columns for positioning and installing the positioning plate are fixed on the upper surface of the placement seat near the four corners, the upper surface of the placement seat is provided with evenly distributed placement grooves, and the positioning plate is provided with evenly distributed positioning holes.

[0010] By adopting the above technical solution, the positioning holes on the positioning plate are used to position and insert the prefabricated structure, while the placement grooves on the placement seat are used to insert and limit the lower end of the prefabricated structure, thereby achieving fixed placement of the prefabricated structure during transportation.

[0011] Optionally, the positioning plate is provided with sleeve holes sleeved on the support columns near the four corners, and the edge of the upper surface of the placement seat is fixed with a hanging edge protruding toward the four sides.

[0012] By adopting the above technical solution, the positioning plate is sleeved on the support column through the hole for positioning installation, and the placement seat is hung on the mobile frame using the hanging edge.

[0013] Optionally, a retaining ring is fixed to the upper end of the support column, and a positioning head is fixed to the upper end of the retaining ring.

[0014] By adopting the above technical solution, the support column uses the positioning head to position the positioning plate, and uses the retaining ring to provide limited support for the positioning plate when it is being positioned.

[0015] Optionally, the connecting head includes a tube head, a turning handle is fixed on the outer side of the tube head near the upper end, and an external thread is provided on the outer side of the tube head at the lower side of the turning handle, a conical head is provided at the lower end of the tube head, and a plurality of downward-opening yield openings are provided on the outer side of the conical head, a locking sleeve is mounted on the outer side of the conical head, an internal thread is provided on the inner side of the upper port of the locking sleeve, and a conical opening is provided in the locking sleeve at the lower side of the internal thread.

[0016] By adopting the above technical solution, when the connecting head is connected to the prefabricated structure, the part of the conical head is sleeved on the outside of the fracturing tube. At this time, the locking sleeve is tightened, and the tightened locking sleeve will move upward. The conical opening in the upward moving locking sleeve fits with the conical surface on the outside of the conical head, causing the conical head to shrink. The conical head uses the clearance opening to achieve shrinkage, thereby clamping the fracturing tube after sleeve connection.

[0017] Optionally, a rubber sleeve is fixed on the inner side of the conical head, and an annular groove for clamping the rubber sleeve is opened on the inner side of the conical head, and the inner diameter of the rubber sleeve is smaller than the outer diameter of the fracturing tube.

[0018] By adopting the above technical solution, the conical head further seals the fracturing tube by using the rubber sleeve, thereby effectively preventing liquid oxygen from leaking out.

[0019] Optionally, a control valve is fixed on the side of the distributor facing the connecting pipe, and the control valve is fixedly connected to the connecting pipe. A support plate is fixed on the lower end of the distributor, and the lower end of the support plate is inserted on the movable frame.

[0020] By adopting the above technical solution, the distributor can realize on-off control of a single connecting pipe through the connection between the control valve and the connecting pipe.

[0021] Optionally, the mobile frame includes a horizontally arranged support frame, a handle is fixed on the upper surface of the support frame near the right end, and legs are fixed on the lower side of the support frame near the four corners, an axle is fixed between the two corresponding front and rear legs, and rollers are installed at both ends of the axle, two front and rear slots are opened on the upper surface of the support frame near the left side, and two front and rear clamps are fixed on the upper surface of the support frame near the right side.

[0022] By adopting the above technical solution, the mobile frame moves by using the shaft rods and rollers at the lower ends of the legs, and the clamps on the support frame are used to clamp and fix the liquid oxygen tank.

[0023] Optionally, the upper side of the clamp is opened, and evenly arranged clamping protrusions are fixed to the inner side of the clamp, and a fixing block is fixed to the lower side of the clamp.

[0024] By adopting the above technical solution, the upward opening of the clamp is convenient for clamping the liquid oxygen tank, and the clamping protrusion provided in the clamp can ensure the clamping of the liquid oxygen tank to prevent the liquid oxygen tank from shaking or rotating.

[0025] In summary, this application has the following beneficial technical effects:

[0026] The mobile rack fixes and transports the liquid oxygen tank by clamping it, and is used to position and place the prefabricated structure through the provided placement rack. At the same time, the mobile rack fixes and installs the dispenser to achieve the integrated transport of the liquid oxygen tank, dispenser and prefabricated structure, thereby making the transport and actual use of the liquid oxygen tank, dispenser and prefabricated structure more convenient, thereby making the liquid oxygen filling operation of the explosive more convenient and easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall schematic diagram of the embodiment of the present application;

[0028] Figure 2 Schematic diagram of a placement rack in an embodiment of the present application;

[0029] Figure 3 This is a schematic diagram of a connector in an embodiment of the present application;

[0030] Figure 4 This is a schematic diagram of the internal structure of the connector in an embodiment of the present application;

[0031] Figure 5 is a schematic diagram of a dispenser in an embodiment of the present application;

[0032] Figure 6 Schematic diagram of a mobile rack in an embodiment of the present application;

[0033] Figure 7 It is a schematic diagram of a clamp in an embodiment of the present application.

[0034] Explanation of the accompanying symbols: 1. Prefabricated structure; 2. Connecting head; 21. Pipe head; 22. Turning handle; 23. External thread; 24. Conical head; 25. Clearance opening; 26. Locking sleeve; 27. Rubber sleeve; 3. Connecting pipe; 4. Distributor; 41. Control valve; 42. Support plate; 5. Placement rack; 51. Placement seat; 511. Hanging edge; 512. Placement groove; 52. Support column; 521. Positioning head; 522. Retaining ring; 53. Positioning plate; 531. Positioning hole; 532. Sleeve hole; 6. Liquid oxygen tank; 7. Moving rack; 71. Handle; 72. Clamp; 721. Clamping protrusion; 722. Fixing block; 73. Slot; 74. Support frame; 75. Leg; 76. Roller; 77. Shaft. DETAILED DESCRIPTION

[0035] The present application is further described in detail below with reference to the accompanying drawings.

[0036] The embodiment of the present application discloses an explosive device that facilitates liquid oxygen injection. Figure 1 , including a prefabricated structure 1, a distributor 4 and a liquid oxygen tank 6. A fracturing pipe is installed on the inner side of the prefabricated structure 1. A mobile rack 7 is provided on the lower side of the liquid oxygen tank 6, and the liquid oxygen tank 6 is longitudinally mounted on the mobile rack 7. There are two distributors 4, and the two distributors 4 are respectively fixed on the positions of the mobile rack 7 near the front and rear sides. The front and rear distributors 4 are both provided on the left side of the liquid oxygen tank 6, and the two distributors 4 are connected to the liquid oxygen tank 6 through pipes. A placement rack 5 for positioning the prefabricated structure 1 is provided between the front and rear distributors 4. The placement rack 5 is hung on the mobile rack 7. The mobile rack 7 fixes and transports the liquid oxygen tank 6 by clamping the liquid oxygen tank 6. The placement rack 5 is used to position and place the prefabricated structure 1. At the same time, the mobile rack 7 fixes the distributor 4 to achieve the integrated transportation of the liquid oxygen tank 6, the distributor 4 and the prefabricated structure 1 by the mobile rack 7, thereby making it more convenient to transport and actually use the liquid oxygen tank 6, the distributor 4 and the prefabricated structure 1, thereby making the liquid oxygen perfusion operation of the explosive more convenient and easy.

[0037] A plurality of connecting pipes 3 are fixed on opposite sides of the front and rear distributors 4, and one end of the connecting pipe 3 is fixed with a connector 2 that is detachably connected to the prefabricated structure 1. When the explosives are perfused with liquid oxygen, the prefabricated structure 1 is connected to the connector 2, and then the prefabricated structure 1 is placed in the blasthole. At this time, liquid oxygen is perfused into the prefabricated structure 1 to complete the liquid oxygen perfusion of the explosives.

[0038] Reference Figure 2 The placement rack 5 includes a placement seat 51, a positioning plate 53 is provided on the upper side of the placement seat 51, and support columns 52 for positioning and installing the positioning plate 53 are fixed on the upper surface of the placement seat 51 near the four corners. The upper surface of the placement seat 51 is provided with evenly distributed placement grooves 512, and the positioning plate 53 is provided with evenly distributed positioning holes 531. The positioning holes 531 on the positioning plate 53 are used to position and insert the prefabricated structure 1. At the same time, the placement grooves 512 on the placement seat 51 are used to insert and limit the lower end of the prefabricated structure 1, thereby realizing fixed placement of the prefabricated structure 1 during transportation.

[0039] The positioning plate 53 is provided with sleeve holes 532 that are sleeved on the support column 52 near the four corners. The positioning plate 53 is sleeved on the support column 52 through the sleeve holes 532 for positioning and installation. The edge of the upper surface of the placement seat 51 is fixed with a hanging edge 511 that protrudes to the four sides, and the placement seat 51 is hung on the movable frame 7 using the hanging edge 511.

[0040] A retaining ring 522 is fixed to the upper end of the support column 52, and a positioning head 521 is fixed to the upper end of the retaining ring 522. The support column 52 uses the positioning head 521 to position the positioning plate 53, and the retaining ring 522 provides limited support for the positioning plate 53 when it is mounted.

[0041] Reference Figure 3 The connector 2 includes a pipe head 21, a handle 22 is fixed on the outer side of the pipe head 21 near the upper end, and the handle 22 is used for gripping when tightening the lock sleeve 26, and an external thread 23 is provided on the outer side of the pipe head 21 at the lower side of the handle 22, a tapered head 24 is provided at the lower end of the pipe head 21, and a plurality of downward-opening openings 25 are provided on the outer side of the tapered head 24, a lock sleeve 26 is sheathed on the outer side of the tapered head 24, and an internal thread is provided on the inner side of the upper end of the lock sleeve 26, and the lock sleeve 26 is provided with a plurality of downward-opening openings 25. The lower side of the internal thread in the sleeve 26 is set as a tapered opening. When the connector 2 is connected to the prefabricated structure 1, the part of the tapered head 24 is sleeved on the outside of the fracturing tube. At this time, the locking sleeve 26 is tightened, and the tightened locking sleeve 26 will move upward. The tapered opening in the upward moving locking sleeve 26 fits with the tapered surface on the outside of the tapered head 24, causing the tapered head 24 to shrink. The tapered head 24 uses the clearance opening 25 to achieve shrinkage, thereby clamping the fracturing tube after sleeve connection.

[0042] Reference Figure 4 A rubber sleeve 27 is fixed on the inner side of the conical head 24. The conical head 24 uses the rubber sleeve 27 to further seal the fracturing tube when it is sleeved, thereby effectively preventing liquid oxygen from leaking outward. An annular groove for clamping the rubber sleeve 27 is opened on the inner side of the conical head 24. The annular groove facilitates the positioning and clamping of the rubber sleeve 27. The inner diameter of the rubber sleeve 27 is smaller than the outer diameter of the fracturing tube, so that the rubber sleeve 27 can be more tightly sleeved on the outer side of the fracturing tube for sealing.

[0043] Reference Figure 5 A control valve 41 is fixed on the side of the distributor 4 facing the connecting pipe 3, and the control valve 41 is fixedly connected to the connecting pipe 3. The distributor 4 is connected to the connecting pipe 3 through the control valve 41, so as to realize the on-off control of a single connecting pipe 3. A support plate 42 is fixed at the lower end of the distributor 4, and the lower end of the support plate 42 is inserted on the movable frame 7. The support plate 42 is used to fix and support the distributor 4.

[0044] Reference Figure 6The movable frame 7 includes a horizontally arranged support frame 74. A handle 71 is fixed to the upper surface of the support frame 74 near the right end to facilitate pushing or pulling the entire movable frame 7, and legs 75 are fixed to the lower side of the support frame 74 near the four corners. A shaft 77 is fixed between the two corresponding front and rear legs 75, and rollers 76 are installed at both ends of the shaft 77. The movable frame 7 moves by using the shaft 77 and rollers 76 at the lower ends of the legs 75, and the clamp 72 on the support frame 74 is used to clamp and fix the liquid oxygen tank 6. Two front and rear slots 73 are opened on the upper surface of the support frame 74 near the left side for inserting and fixing the support plate 42, and two front and rear clamps 72 are fixed to the upper surface of the support frame 74 near the right side for clamping and fixing the liquid oxygen tank 6.

[0045] Reference Figure 7 The upper side of the clamp 72 is opened, and the upward opening of the clamp 72 is convenient for clamping the liquid oxygen tank 6. The inner side of the clamp 72 is fixed with evenly arranged clamping protrusions 721, and the clamping protrusions 721 set in the clamp 72 can ensure the clamping of the liquid oxygen tank 6 to prevent the liquid oxygen tank 6 from shaking or rotating. A fixing block 722 is fixed on the lower side of the clamp 72, and the clamp 72 is fixed to the support frame 74 using the fixing block 722.

[0046] The implementation principle of an explosive device that facilitates liquid oxygen perfusion in an embodiment of the present application is as follows: when using explosives for blasting, the liquid oxygen tank 6, the distributor 4 and the prefabricated structure 1 are transported to the blasting site by using a mobile rack 7, and then the prefabricated structure 1 is removed from the placement rack 5, and the fracturing tube on the prefabricated structure 1 is inserted into the inner side of the conical head 24 of a certain connector 2 and inserted inwardly, and then the locking sleeve 26 is tightened, and the tightened locking sleeve 26 will move upward, and the tapered mouth in the upwardly moving locking sleeve 26 will fit with the conical surface on the outer side of the conical head 24, causing the conical head 24 to shrink, and the conical head 24 uses the clearance opening 25 to achieve shrinkage, thereby clamping the fracturing tube after sleeve connection, and then open the corresponding control valve 41 to perfuse liquid oxygen into the prefabricated structure 1 to infiltrate the paper-wrapped combustibles in the prefabricated structure 1 with liquid oxygen, and then the entire prefabricated structure 1 is placed in the blast hole, and finally the blasting operation can be carried out.

[0047] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An explosive device for facilitating liquid oxygen perfusion, comprising a prefabricated structure (1), a distributor (4) and a liquid oxygen tank (6), wherein a fracturing tube is installed on the inner side of the prefabricated structure (1), and characterized in that: A movable rack (7) is provided on the lower side of the liquid oxygen tank (6), and the liquid oxygen tank (6) is longitudinally mounted on the movable rack (7). Two dispensers (4) are provided, and the two dispensers (4) are respectively fixed on the positions of the movable rack (7) near the front and rear sides. The front and rear dispensers (4) are both provided on the left side of the liquid oxygen tank (6), and the two dispensers (4) are connected to the liquid oxygen tank (6) through pipelines. A placement rack (5) for positioning and placing the prefabricated structure (1) is provided between the front and rear dispensers (4), and the placement rack (5) is hung on the movable rack (7). A plurality of connecting pipes (3) are fixed on opposite sides of the front and rear dispensers (4), and a connector (2) detachably connected to the prefabricated structure (1) is fixed at one end of the connecting pipe (3).

2. The explosive device for facilitating liquid oxygen injection according to claim 1, characterized in that: The placement rack (5) includes a placement seat (51), a positioning plate (53) is provided on the upper side of the placement seat (51), and support columns (52) for positioning and installing the positioning plate (53) are fixed near the four corners of the upper surface of the placement seat (51), the upper surface of the placement seat (51) is provided with evenly distributed placement grooves (512), and the positioning plate (53) is provided with evenly distributed positioning holes (531).

3. The explosive device for facilitating liquid oxygen injection according to claim 2, characterized in that: The positioning plate (53) is provided with sleeve holes (532) sleeved on the support column (52) near the four corners, and the upper surface edge of the placement seat (51) is fixed with a hanging edge (511) protruding toward the four sides.

4. The explosive device for facilitating liquid oxygen injection according to claim 3, characterized in that: A retaining ring (522) is fixed to the upper end of the support column (52), and a positioning head (521) is fixed to the upper end of the retaining ring (522).

5. The explosive device for facilitating liquid oxygen injection according to claim 4, characterized in that: The connector (2) comprises a tube head (21), a handle (22) is fixed on the outer side of the tube head (21) near the upper end thereof, and an external thread (23) is provided on the outer side of the tube head (21) at a position below the handle (22), a tapered head (24) is provided at the lower end of the tube head (21), and a plurality of downwardly opening openings (25) are provided on the outer side of the tapered head (24), a locking sleeve (26) is sleeved on the outer side of the tapered head (24), an internal thread is provided on the inner side of the upper end of the locking sleeve (26), and a tapered opening is provided in the locking sleeve (26) at a position below the internal thread.

6. The explosive device for facilitating liquid oxygen injection according to claim 5, characterized in that: A rubber sleeve (27) is fixed on the inner side of the conical head (24), and an annular groove for clamping the rubber sleeve (27) is provided on the inner side of the conical head (24). The inner diameter of the rubber sleeve (27) is smaller than the outer diameter of the fracturing tube.

7. The explosive device for facilitating liquid oxygen injection according to claim 6, characterized in that: A control valve (41) is fixed on the side of the distributor (4) facing the connecting pipe (3), and the control valve (41) is fixedly connected to the connecting pipe (3). A support plate (42) is fixed at the lower end of the distributor (4), and the lower end of the support plate (42) is inserted on the movable frame (7).

8. The explosive device for facilitating liquid oxygen injection according to claim 7, characterized in that: The mobile frame (7) includes a horizontally arranged support frame (74), a handle (71) is fixed on the upper surface of the support frame (74) near the right end, and legs (75) are fixed on the lower side of the support frame (74) near the four corners, a shaft (77) is fixed between two corresponding front and rear legs (75), and rollers (76) are installed at both ends of the shaft (77), two front and rear slots (73) are opened on the upper surface of the support frame (74) near the left side, and two front and rear clamps (72) are fixed on the upper surface of the support frame (74) near the right side.

9. The explosive device for facilitating liquid oxygen injection according to claim 8, characterized in that: The upper side of the clamp (72) is opened, and evenly arranged clamping protrusions (721) are fixed on the inner side of the clamp (72), and a fixing block (722) is fixed on the lower side of the clamp (72).

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