A hooking gun for blasting

Abstract

The application relates to a hooking gun for blasting, and relates to the technical field of mine blasting engineering equipment, which comprises a gun head and multiple gun rods, the gun head is installed at one end of the gun rod through a connecting assembly, multiple gun rods are fixedly connected through connecting assemblies, a first prong coaxially arranged with the gun rod is fixedly arranged at the front end of the gun head, and multiple second prongs obliquely arranged towards the rear end of the gun head are fixedly arranged on the outer surface of the middle part of the gun head. The first prong of the gun head cooperates with the second prong, the gun head can be deeply inserted into the inside of a blast hole, accurately contact a cartridge, and multiple second prongs can hook the cartridge from different angles, multiple gun rods can be connected through connecting assemblies, a corresponding number of gun rods are installed according to the depth of the blast hole, the problems of cartridge jamming under special conditions such as broken geological structure and interlayer can be effectively solved, the jammed cartridge can be stably hooked out by being inserted into the inside of the blast hole, and the gun can adapt to blast holes with different depths.

Description

Technical Field

[0001] This application relates to the technical field of equipment for mining blasting projects, and in particular to a blasting hook gun. Background Technology

[0002] In blasting operations, fractured geological structures with interlayers are common. Under such complex geological conditions, when using pre-made emulsion explosives, it is frequent for the explosive charge to become stuck in the borehole. Traditional methods for handling this situation are often quite difficult. If the stuck charge is not removed promptly, it will not only affect subsequent charging processes and reduce charging efficiency, but also potentially lead to uneven distribution of the charge, resulting in poor blasting performance.

[0003] Most existing tools or methods lack specificity. For the problem of explosive charge jamming in special environments such as fractured geological structures and interlayers, some simple tools cannot penetrate deep into the borehole to accurately hook out the explosive charge, making it difficult to effectively solve the problem of explosive charge jamming. Utility Model Content

[0004] The purpose of this application is to provide a blasting hook gun that can effectively address the problem of explosive charge jamming in special situations such as fractured geological structures and interlayers. It can stably extend into the borehole to hook out the jammed explosive charge and can adapt to boreholes of different depths. This solves the problem that most existing tools or methods lack specificity. For the problem of explosive charge jamming in special environments such as fractured geological structures and interlayers, some simple tools cannot penetrate deep into the borehole to accurately hook out the explosive charge, making it difficult to effectively solve the problem of explosive charge jamming.

[0005] This application provides a blasting hook gun with the following technical solution: A blasting hook gun includes a gun head and multiple gun rods. The gun head is mounted on one end of the gun rods via a connecting assembly. The multiple gun rods are fixedly connected to each other via the connecting assembly. A first spike is fixedly provided at the front end of the gun head and is coaxially arranged with the gun rods. Multiple second spikes are fixedly provided on the outer surface of the middle part of the gun head and are inclined towards the rear end of the gun head. The multiple second spikes are arranged in a circular array. The connecting assembly includes a threaded connector and a connecting sleeve. The connecting sleeve is provided at one end of the gun rod. The threaded connector includes a first threaded connector and a second threaded connector. The first threaded connector is fixedly provided at the rear end of the gun head. The second threaded connector is fixedly provided at the end of the gun rod away from the connecting sleeve. The first threaded connector and the second threaded connector have the same specifications. The outer surface of the middle part of the first threaded connector and the second threaded connector are both threadedly connected to the inner wall of the middle part of the connecting sleeve. A positioning retaining ring is fixedly provided on the inner wall of the middle part of the connecting sleeve.

[0006] By adopting the above technical solution, the blasting hook gun can effectively solve the problem of explosive charge jamming in special environments with fractured geological structures and interlayers. The first barb at the front end of the gun head can penetrate deep into the blast hole and accurately contact the explosive charge. Multiple second barbs in the middle of the gun head are arranged in a ring array and tilted towards the rear end of the gun head, which can hook the explosive charge from different angles to prevent the explosive charge from falling off during the hooking process. Multiple barbs can be flexibly spliced ​​through connecting components, which makes it easy to adjust the overall length of the hook gun according to the depth of the blast hole, so that the tool can penetrate into blast holes of different depths, solving the problem that simple tools cannot penetrate deep enough, and improving the targeting and effectiveness of explosive charge jamming treatment.

[0007] Preferably, one end of the first threaded connector and the second threaded connector are provided with an anti-rotation hole, the inner wall of the middle part of the anti-rotation hole is slidably connected to the outer surface of one end of the anti-rotation rod, and the anti-rotation rod is located inside the connecting sleeve.

[0008] By adopting the above technical solution, the anti-rotation rod is inserted into the anti-rotation hole, which can prevent relative rotation between the first threaded connector, the second threaded connector and the connecting sleeve, ensuring the stability of the connection between the gun head and the gun rod, and between the gun rods, avoiding the impact of loose connection on operation when hooking the explosive pack, and ensuring the reliable use of the tool in complex geological environments.

[0009] Preferably, the anti-rotation rod is fixedly disposed at one end of the threaded rod, and the outer surface of the middle part of the threaded rod is threadedly connected to the inner wall of the middle part of the worm gear.

[0010] By adopting the above technical solution, the threaded connection between the threaded rod and the worm gear enables the threaded rod to move axially when the worm gear is rotated, thereby controlling the anti-rotation rod to enter and exit the anti-rotation hole, realizing flexible control of the anti-rotation state of the connection part, and making operation convenient.

[0011] Preferably, the worm gear meshes with the worm, one end of the worm extends from the inside of the connecting sleeve to a countersunk hole opened on the outer surface of one side of the middle part of the connecting sleeve, and one end of the worm is provided with a hexagonal operating hole.

[0012] By adopting the above technical solution, the rotation of the worm can drive the worm wheel to rotate, which in turn causes the worm wheel to move the anti-rotation rod. Furthermore, through the self-locking characteristic of the worm wheel and worm gear transmission, the position of the anti-rotation rod can be stably maintained, preventing it from moving accidentally during operation. The hexagonal operating hole at one end of the worm makes it easy to rotate the worm outside the connecting sleeve using tools, making the operation simple and labor-saving.

[0013] Preferably, one end of the worm gear is rotatably disposed within the inner wall of the countersunk hole on one side of the outer surface of the middle portion of the connecting sleeve, and the other end of the worm gear is rotatably disposed at one end of the connecting seat, and the connecting seat is fixedly disposed on the inner wall of the middle portion of the connecting sleeve.

[0014] By adopting the above technical solution, the connecting seat provides a stable rotating support for the end of the worm inside the connecting sleeve, ensuring the stability of the worm during rotation and preventing the worm from shaking due to force and affecting the meshing transmission with the worm wheel.

[0015] Preferably, a rotating ring is fixedly provided on one side of the worm gear, and the outer surface of the middle part of the rotating ring is rotatably disposed within the inner wall of the middle part of the first limiting plate, and the end of the first limiting plate is fixedly disposed on the inner wall of the middle part of the connecting sleeve.

[0016] By adopting the above technical solution, the outer surface of the middle part of the rotating ring rotates within the inner wall of the middle part of the first limiting plate, which can limit the worm wheel, prevent the worm wheel from moving axially during rotation, ensure the stable meshing of the worm wheel and the worm, and ensure the accuracy and reliability of the transmission.

[0017] Preferably, the outer surface of the middle part of the anti-rotation rod is polygonal, the shape of the outer surface of the middle part of the anti-rotation rod is adapted to the shape of the inner wall of the middle part of the anti-rotation hole, and the edge of the anti-rotation rod facing the anti-rotation hole is rounded.

[0018] By adopting the above technical solution, the polygonal outer surface of the anti-rotation rod in the middle is adapted to the shape of the inner wall of the anti-rotation hole, which enhances the anti-rotation effect and avoids relative rotation at the connection point. The rounded corners at the end of the anti-rotation rod make it easier for the anti-rotation rod to be smoothly inserted into the anti-rotation hole, reducing the difficulty of operation.

[0019] Preferably, the outer surface of the middle part of the anti-rotation rod is slidably disposed within the inner wall of the middle part of the second limiting plate, and the end of the second limiting plate is fixedly disposed on the inner wall of the middle part of the positioning retaining ring.

[0020] By adopting the above technical solution, the second limiting plate plays a guiding and limiting role for the anti-rotation rod, ensuring that the anti-rotation rod will not deviate during axial movement and preventing the anti-rotation rod from rotating, thus ensuring that the anti-rotation rod can accurately enter and exit the anti-rotation hole, thereby improving the stability and reliability of the structure.

[0021] In summary, this application includes at least one of the following beneficial technical effects: This blasting hook gun, through the combination of a first and a second barb on the gun head, allows the gun head to penetrate deep into the blast hole, precisely contacting the explosive charge. Multiple second bars hook the explosive charge from different angles, and the bars can be connected via a connecting assembly. The number of bars installed is determined by the depth of the blast hole, effectively addressing the problem of explosive charge jamming in special conditions such as fractured geological structures or areas with interlayers. It can stably extend into the blast hole to hook out the jammed explosive charge and is adaptable to blast holes of varying depths. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of this application; Figure 2 This is a schematic diagram of the front structure of this application; Figure 3 This is an exploded view of the connecting components of this application; Figure 4 This is a schematic diagram of the front sectional view of the structure of this application; Figure 5 This is a schematic cross-sectional view of the end of the connecting sleeve in this application.

[0023] In the picture: 1. Gun head; 101. First spike; 102. Second spike; 2. Connecting assembly; 201. Threaded connector; 2011. First threaded connector; 2012. Second threaded connector; 202. Connecting sleeve; 3. Gun barrel; 4. Positioning retaining ring; 5. Anti-rotation hole; 6. Anti-rotation rod; 7. Threaded rod; 8. Worm gear; 9. Worm; 10. Rotating ring; 11. First limiting plate; 12. Second limiting plate; 13. Connecting seat. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail below.

[0025] Example 1: A blasting hook gun, please refer to... Figure 1 , Figure 2 and Figure 3 The gun includes a gun head 1 and multiple gun barrels 3. The gun head 1 is mounted on one end of the gun barrels 3 via a connecting assembly 2. The multiple gun barrels 3 are fixedly connected to each other via the connecting assembly 2. A first spike 101 is fixedly provided at the front end of the gun head 1 and is coaxially arranged with the gun barrels 3. Multiple second spikes 102 are fixedly provided on the outer surface of the middle part of the gun head 1, facing the rear end of the gun head 1 and inclined. The multiple second spikes 102 are arranged in a ring array. The connecting assembly 2 includes a threaded connector 201 and a connecting sleeve 202. The connecting sleeve 202 is provided at one end of the gun barrels 3. The threaded connector 201 includes a first threaded connector 2011 and a second threaded connector 2012. A threaded connector 2011 is fixedly installed at the rear end of the gun head 1, and a second threaded connector 2012 is fixedly installed at the end of the gun barrel 3 away from the connecting sleeve 202. The first threaded connector 2011 and the second threaded connector 2012 have the same specifications. The outer surface of the middle part of the first threaded connector 2011 and the second threaded connector 2012 are threadedly connected to the inner wall of the middle part of the connecting sleeve 202. A positioning retaining ring 4 is fixedly installed inside the inner wall of the middle part of the connecting sleeve 202. The positioning retaining ring 4 can limit the position of the threaded connector 201 screwed into the connecting sleeve 202 and position the installation position and angle of the threaded connector 201.

[0026] Please see Figure 3 and Figure 4 The first threaded connector 2011 and the second threaded connector 2012 each have an anti-rotation hole 5 at one end. The inner wall of the middle part of the anti-rotation hole 5 is slidably connected to the outer surface of one end of the anti-rotation rod 6. The anti-rotation rod 6 is located inside the connecting sleeve 202. The anti-rotation rod 6 is inserted into the anti-rotation hole 5, which can prevent relative rotation between the first threaded connector 2011, the second threaded connector 2012 and the connecting sleeve 202, ensuring the stability of the connection between the gun head 1 and the gun rod 3, and between the gun rods 3, avoiding the operation affected by loose connection when hooking the medicine bag, and ensuring the reliable use of the tool in complex geological environments.

[0027] Please see Figure 3 , Figure 4 and Figure 5 The anti-rotation rod 6 is fixedly installed at one end of the threaded rod 7. The outer surface of the middle part of the threaded rod 7 is threadedly connected to the inner wall of the middle part of the worm wheel 8. The threaded connection between the threaded rod 7 and the worm wheel 8 allows the threaded rod 7 to move axially when the worm wheel 8 is rotated, thereby controlling the anti-rotation rod 6 to enter and exit the anti-rotation hole 5, realizing flexible control of the anti-rotation state of the connection part, and making the operation convenient.

[0028] Please see Figure 3 , Figure 4 and Figure 5 A rotating ring 10 is fixedly provided on one side of the worm gear 8. The outer surface of the middle part of the rotating ring 10 is rotatably disposed within the inner wall of the middle part of the first limiting plate 11. The end of the first limiting plate 11 is fixedly disposed on the inner wall of the middle part of the connecting sleeve 202. The outer surface of the middle part of the rotating ring 10 rotates within the inner wall of the middle part of the first limiting plate 11, which can limit the worm gear 8 and prevent the worm gear 8 from moving axially during rotation, thus ensuring the stable meshing of the worm gear 8 and the worm 9 and ensuring the accuracy and reliability of the transmission.

[0029] Please see Figure 3 and Figure 4 The outer surface of the middle part of the anti-rotation rod 6 is polygonal, and the shape of the outer surface of the middle part of the anti-rotation rod 6 matches the shape of the inner wall of the middle part of the anti-rotation hole 5. The edge of the end of the anti-rotation rod 6 facing the anti-rotation hole 5 is rounded. The polygonal outer surface of the middle part of the anti-rotation rod 6 matches the shape of the inner wall of the anti-rotation hole 5, which enhances the anti-rotation effect and prevents relative rotation of the connection part. The rounded corner of the end of the anti-rotation rod 6 makes it easy for the anti-rotation rod 6 to be smoothly inserted into the anti-rotation hole 5, reducing the difficulty of operation.

[0030] Please see Figure 3 , Figure 4 and Figure 5The outer surface of the middle part of the anti-rotation rod 6 is slidably disposed within the inner wall of the middle part of the second limiting plate 12. The end of the second limiting plate 12 is fixedly disposed on the inner wall of the middle part of the positioning retaining ring 4. The second limiting plate 12 plays a guiding and limiting role for the anti-rotation rod 6, ensuring that the anti-rotation rod 6 will not deviate during axial movement and preventing the anti-rotation rod 6 from rotating, ensuring that the anti-rotation rod 6 can accurately enter and exit the anti-rotation hole 5, thereby improving the stability and reliability of the structure.

[0031] Example 2: A blasting hook gun, please refer to... Figure 3 and Figure 5 The worm gear 8 meshes with the worm 9. One end of the worm 9 extends from the inside of the connecting sleeve 202 to a countersunk hole on the outer surface of one side of the middle part of the connecting sleeve 202. A hexagonal operating hole is provided at one end of the worm 9. The rotation of the worm 9 can drive the worm gear 8 to rotate, which in turn causes the worm gear 8 to move the anti-rotation rod 6. Through the self-locking characteristic of the transmission between the worm gear 8 and the worm 9, the position of the anti-rotation rod 6 can be stably maintained, preventing it from moving accidentally during operation. The hexagonal operating hole at one end of the worm 9 makes it easy to use tools to rotate the worm 9 outside the connecting sleeve 202, which is simple and labor-saving.

[0032] Please see Figure 3 and Figure 5 One end of the worm 9 is rotatably mounted on the inner wall of the countersunk hole on one side of the middle of the connecting sleeve 202. The other end of the worm 9 is rotatably mounted on one end of the connecting seat 13. The connecting seat 13 is fixedly mounted on the inner wall of the middle of the connecting sleeve 202. The connecting seat 13 provides a stable rotating support for the end of the worm 9 inside the connecting sleeve 202, ensuring the stability of the worm 9 when rotating and preventing the worm 9 from being affected by shaking due to force and thus affecting the meshing transmission with the worm wheel 8.

[0033] It should be noted that the main body of the gun is made of non-metallic anti-static material. Non-metallic anti-static material can effectively prevent the gun from generating static electricity during use, reducing safety hazards caused by static electricity from the source and ensuring the safety of the working environment. Compared with metallic materials, non-metallic materials can reduce the risk of sparks generated by collision with the inner wall of the borehole in complex environments with fractured geological structures and interlayers, further improving the safety of the operation.

[0034] The implementation principle of this application embodiment is as follows: The first threaded connector 2011 at the rear end of the gun head 1 is threaded into the connecting sleeve 202 at one end of the corresponding gun rod 3, so that one end of the first threaded connector 2011 contacts one side of the positioning retaining ring 4, and the first threaded connector 2011 is screwed into the connecting sleeve 202 to a specified depth. Using a tool, the worm 9 is rotated through the hexagonal operating hole at one end of the worm 9 on the outside of the connecting sleeve 202. The worm 9 drives the worm wheel 8 to rotate, and the rotation of the worm wheel 8 will drive the corresponding threaded rod 7 to move axially, thereby driving the anti-rotation rod. Insert 6 into the corresponding anti-rotation hole 5 to restrict the rotation of the first threaded connector 2011. According to the depth of the blast hole, assemble multiple gun rods 3 through the second threaded connector 2012 of the connecting component 2 and the connecting sleeve 202 to make the overall length of the hook gun adapt to the depth of the blast hole. Hold the gun rod 3 and insert the assembled blasting hook gun into the blast hole. The first spike 101 at the front end of the gun head 1 contacts the explosive charge, and the second spike 102 in the middle hooks the explosive charge from different angles. Use the gun rod 3 to transmit force to hook the stuck explosive charge out of the blast hole with broken geological structure and interlayer.

Claims

1. A blasting hook gun, comprising a gun head (1) and multiple gun shafts (3), characterized in that: The gun head (1) is mounted on one end of the gun rod (3) via a connecting assembly (2). Multiple gun rods (3) are fixedly connected via the connecting assembly (2). A first spike (101) coaxially arranged with the gun rod (3) is fixedly provided at the front end of the gun head (1). Multiple second spikes (102) are fixedly provided on the outer surface of the middle part of the gun head (1), facing the rear end of the gun head (1) and arranged at an angle. The multiple second spikes (102) are arranged in a circular array. The connecting assembly (2) includes a threaded connector (201) and a connecting sleeve (202). The connecting sleeve (202) is located at one end of the gun rod (3). The threaded connector (201)... The device includes a first threaded connector (2011) and a second threaded connector (2012). The first threaded connector (2011) is fixedly disposed at the rear end of the gun head (1), and the second threaded connector (2012) is fixedly disposed at the end of the gun rod (3) away from the connecting sleeve (202). The first threaded connector (2011) and the second threaded connector (2012) have the same specifications. The outer surface of the middle part of the first threaded connector (2011) and the second threaded connector (2012) are threadedly connected to the inner wall of the middle part of the connecting sleeve (202). A positioning retaining ring (4) is fixedly disposed inside the inner wall of the middle part of the connecting sleeve (202).

2. The blasting hook gun according to claim 1, characterized in that: The first threaded connector (2011) and the second threaded connector (2012) each have an anti-rotation hole (5) at one end. The inner wall of the middle part of the anti-rotation hole (5) is slidably connected to the outer surface of one end of the anti-rotation rod (6). The anti-rotation rod (6) is located inside the connecting sleeve (202).

3. The blasting hook gun according to claim 2, characterized in that: The anti-rotation rod (6) is fixedly installed at one end of the threaded rod (7), and the outer surface of the middle part of the threaded rod (7) is threaded to the inner wall of the middle part of the worm gear (8).

4. A blasting hook gun according to claim 3, characterized in that: The worm wheel (8) meshes with the worm (9). One end of the worm (9) extends from the inside of the connecting sleeve (202) to the countersunk hole opened on the outer surface of the middle side of the connecting sleeve (202). One end of the worm (9) is provided with a hexagonal operating hole.

5. A blasting hook gun according to claim 4, characterized in that: One end of the worm (9) is rotatably disposed within the inner wall of the countersunk hole on one side of the middle part of the connecting sleeve (202), and the other end of the worm (9) is rotatably disposed at one end of the connecting seat (13), and the connecting seat (13) is fixedly disposed on the inner wall of the middle part of the connecting sleeve (202).

6. A blasting hook gun according to claim 4, characterized in that: A rotating ring (10) is fixedly provided on one side of the worm gear (8). The outer surface of the middle part of the rotating ring (10) is rotatably disposed in the inner wall of the middle part of the first limiting plate (11). The end of the first limiting plate (11) is fixedly disposed on the inner wall of the middle part of the connecting sleeve (202).

7. A blasting hook gun according to claim 2, characterized in that: The outer surface of the middle part of the anti-rotation rod (6) is polygonal, and the shape of the outer surface of the middle part of the anti-rotation rod (6) is adapted to the shape of the inner wall of the middle part of the anti-rotation hole (5). The edge of the anti-rotation rod (6) facing the anti-rotation hole (5) is rounded.

8. A blasting hook gun according to claim 7, characterized in that: The outer surface of the middle part of the anti-rotation rod (6) is slidably disposed within the inner wall of the middle part of the second limiting plate (12), and the end of the second limiting plate (12) is fixedly disposed on the inner wall of the middle part of the positioning retaining ring (4).

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