Air energy stone cracking device
The design of the air-powered rock-splitting device enables multi-cylinder connection and sufficient liquid oxygen input, solving the problem of low efficiency in large-scale rock-splitting operations, improving construction efficiency and saving costs.
Patent Information
- Application Number
- CN202520505830.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing technologies are inefficient in large-scale rock-splitting operations, requiring multiple manual and material operations, and are difficult to fully split rocks in deep holes.
An air-powered rock-splitting device was designed. Through the combination of cylinders, connecting hoses, connecting seats and connecting rods, multiple cylinders are connected and fixed. It is equipped with wires and electronic match heads to ignite liquid oxygen, ensuring sufficient input and transmission of liquid oxygen.
It improves rock-splitting efficiency, reduces manpower and material consumption, is highly adaptable, avoids liquid oxygen waste, improves construction smoothness, and reduces costs.
Smart Images

Figure CN223841067U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of instantaneous expansion and cracking technology of rock, and in particular to an air-powered rock-cracking device. Background Technology
[0002] Gas-induced rock fracturing is a technique that utilizes the principle of gas expansion under heat to break rocks. This technique typically uses high-temperature, high-pressure gas, injected into the rock or coal seam, causing it to expand rapidly within a short time, thus creating a high-temperature, high-pressure fracturing effect. The principle behind gas-induced rock fracturing is that when a gas is heated, the distance between its molecules increases, leading to gas volume expansion. When the gas expands to a certain extent, it generates extreme pressure sufficient to break the rock or coal seam. Compared to traditional explosive rock fracturing, this method is more environmentally friendly, safer, and more efficient, and can be used in coal seams and rocks under various geological conditions.
[0003] However, in some cases of large-scale rock splitting, blasting is required in holes tens of meters or even deeper. In existing technologies, rock splitting is usually carried out by a single rock splitting device, which results in insufficient rock splitting. It is necessary to spend a lot of manpower and resources to carry out multiple rock splitting operations to achieve the desired result, which greatly reduces production efficiency.
[0004] Therefore, it is necessary to provide a new air-powered rock-splitting device to solve the above-mentioned technical problems. Utility Model Content
[0005] The technical problem solved by this utility model is to provide an air-source rock-splitting device that is easy to use, highly efficient, and adaptable.
[0006] To solve the above-mentioned technical problems, the air-source rock-splitting device provided by this utility model includes: a cylindrical body, an upper cover installed at the upper end of the cylindrical body, a lower cover installed at the lower end of the cylindrical body, a liquid guide pipe installed inside the cylindrical body, an upper connecting hose fixedly installed at the upper end of the liquid guide pipe through the upper cover, and a lower connecting hose fixedly installed at the lower end of the liquid guide pipe through the lower cover; mounting holes are symmetrically provided on both the upper and lower covers, and connecting bolts are threaded into the mounting holes; one end of a connecting rod is rotatably mounted on each connecting bolt on the upper cover, and the other ends of the two connecting rods are respectively rotatably mounted on the corresponding connecting bolts on the lower cover. A connecting seat is installed between the upper and lower connecting hoses on the corresponding connecting bolts. A connecting cylinder is fixedly installed on the connecting seat. One end of the connecting cylinder is adapted to the upper connecting hose, and the other end of the connecting cylinder is adapted to the lower connecting hose. A fixed half-ring is symmetrically fixedly installed on the connecting seat, and a rotating half-ring is symmetrically rotatably installed on the connecting seat. The corresponding fixed half-ring and rotating half-ring are adapted to the corresponding connecting hoses. Both the fixed half-ring and rotating half-ring have through holes, and the same fixing bolt is installed in the through holes of the corresponding fixed half-ring and rotating half-ring.
[0007] Preferably, an electric wire is installed on the top cover, the electric wire extends into the cylinder, and an electronic match head is fixedly installed at one end of the electric wire inside the cylinder.
[0008] Preferably, an air outlet pipe is installed on the top cover, one end of the air outlet pipe extends into the cylinder body, and the inner wall of the other end of the air outlet pipe is provided with threads. A sealing block is threadedly connected to the end of the air outlet pipe located outside the cylinder body, and a pinch block is fixedly installed on the sealing block.
[0009] Preferably, the liquid guide tube has several drainage holes, the cylinder is equipped with several positioning rings, the liquid guide tube is adapted to the positioning rings, and a solid liquid absorption layer is provided inside the cylinder, which is in contact with the liquid guide tube.
[0010] Preferably, a plug is installed on the lower connecting hose, and a cylindrical protrusion is provided on the plug, the cylindrical protrusion being adapted to the port of the lower connecting hose.
[0011] Preferably, the upper and lower covers are attached to both ends of the cylinder by glue or threads.
[0012] Preferably, the liquid guide tube has a plurality of drainage holes, which are arranged at equal intervals along the direction of the liquid guide tube.
[0013] Compared with related technologies, the air-powered rock-splitting device provided by this utility model has the following advantages:
[0014] Beneficial effects:
[0015] This utility model provides an air-source rock-splitting device. The upper connecting hose, lower connecting hose, and connecting cylinder connect the two cylinders, enabling blasting treatment of rocks at various depths. It is highly adaptable, simple to operate, greatly improves work efficiency, and reduces the consumption of manpower and materials. The connecting rod can support and fix the device at the connection points of multiple cylinders, preventing the bending of the hose from obstructing the transmission of liquid oxygen. The sealing block can seal the outlet pipe, making the input and absorption of liquid oxygen more complete, avoiding waste of liquid oxygen, improving the smoothness of construction, and saving consumable costs. Attached Figure Description
[0016] Figure 1 A schematic diagram of a preferred embodiment of the air-powered rock-splitting device provided by this utility model;
[0017] Figure 2 for Figure 1 The diagram shows the internal structure of the cylinder.
[0018] Figure 3 for Figure 1The diagram shows the installation structure of the upper connecting hose and the lower connecting hose.
[0019] Figure 4 for Figure 3 The diagram shows the structure of the connector.
[0020] Figure 5 for Figure 1 The diagram shows the installation structure of the lower connecting hose and the plug.
[0021] The following are the labels in the diagram: 1. Cylinder body; 2. Top cover; 3. Bottom cover; 4. Upper connecting hose; 5. Lower connecting hose; 6. Wire; 7. Mounting hole; 8. Connecting seat; 9. Liquid guide tube; 10. Solid liquid absorption layer; 11. Drain hole; 12. Positioning ring; 13. Electronic match head; 14. Gas outlet pipe; 15. Connecting rod; 16. Connecting bolt; 17. Gas sealing block; 18. Rotating half ring; 19. Connecting cylinder; 20. Fixed half ring; 21. Fixed bolt; 22. Plug. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the air-powered rock-splitting device provided by this utility model; Figure 2 for Figure 1 The diagram shows the internal structure of the cylinder. Figure 3 for Figure 1 The diagram shows the installation structure of the upper connecting hose and the lower connecting hose. Figure 4 for Figure 3 The diagram shows the structure of the connector. Figure 5 for Figure 1 The diagram shows the installation structure of the lower connecting hose and the plug.
[0024] The air-source rock-splitting device includes: a cylinder 1, with an upper cover 2 installed at the upper end and a lower cover 3 installed at the lower end. The upper cover 2 and lower cover 3 are used to seal the ports of the cylinder 1. A liquid guide pipe 9 is installed inside the cylinder 1. The upper end of the liquid guide pipe 9 passes through the upper cover 2 and is fixedly installed with an upper connecting hose 4. The lower end of the liquid guide pipe 9 passes through the lower cover 3 and is fixedly installed with a lower connecting hose 5. Mounting holes 7 are symmetrically opened on both the upper cover 2 and the lower cover 3. Connecting bolts 16 are threaded into the mounting holes 7. One end of a connecting rod 15 is rotatably installed on each connecting bolt 16 on the upper cover 2. The other ends of the two connecting rods 15 are respectively rotatably installed on the corresponding connecting bolts 16 on the lower cover 3. The connecting rods 15 are used to support the pressure between the two cylinders 1 and prevent the hose from bending. The upper connecting hose 4 and the lower connecting hose 5 are connected to the upper cover 1. A connecting seat 8 is installed between the upper connecting hoses 5. A connecting cylinder 19 is fixedly installed on the connecting seat 8. One end of the connecting cylinder 19 is adapted to the upper connecting hose 5, and the other end of the connecting cylinder 19 is adapted to the lower connecting hose 4. The connecting cylinder 19 is used to connect the upper connecting hose 5 and the lower connecting hose 4 to form a passage. A fixed half ring 20 is symmetrically fixedly installed on the connecting seat 8, and a rotating half ring 18 is symmetrically rotatably installed on the connecting seat 8. The corresponding fixed half ring 20 and rotating half ring 18 are adapted to the corresponding connecting hoses. Both the fixed half ring 20 and rotating half ring 18 have through holes. The same fixing bolt 21 is installed in the through holes of the corresponding fixed half ring 20 and rotating half ring 18. The rotating half ring 18 and fixed half ring 20 are used to fix the upper connecting hose 5 and the lower connecting hose 4 to ensure the quality of the connection.
[0025] An electric wire 6 is installed on the upper cover 2. The electric wire 6 extends into the cylinder 1. An electronic match head 13 is fixedly installed at one end of the electric wire 6 inside the cylinder 1. The electric wire is used to supply power to the electronic match head 13 to ignite the liquid oxygen inside the cylinder 1.
[0026] An exhaust pipe 14 is installed on the upper cover 2. One end of the exhaust pipe 14 extends into the cylinder 1. The exhaust pipe 14 is used to balance the liquid oxygen capacity of the cylinder 1 and prevent excessive liquid oxygen. The other end of the exhaust pipe 14 has a thread on its inner wall. The end of the exhaust pipe 14 located outside the cylinder 1 is threadedly connected to a sealing block 17. A pinch block is fixedly installed on the sealing block 17. The sealing block 17 is used to seal the exhaust pipe 14.
[0027] The liquid guide tube 9 is provided with a plurality of drainage holes 11, and a plurality of positioning rings 12 are installed inside the cylinder 1. The liquid guide tube 9 is adapted to the positioning rings 12. A solid liquid-absorbing layer 10 is provided inside the cylinder 1. The solid liquid-absorbing layer 10 is in contact with the liquid guide tube 9. The drainage holes 11 are used to uniformly discharge liquid oxygen into the cylinder 1, so that the solid liquid-absorbing layer 10 can fully absorb liquid oxygen.
[0028] A plug 22 is installed on the lower connecting hose 5. The plug 22 has a cylindrical protrusion that is adapted to the port of the lower connecting hose 5. The plug 22 is used to seal the lower connecting hose 5.
[0029] The upper cover 2 and the lower cover 3 are installed to both ends of the cylinder 1 by glue or threads.
[0030] The liquid guide tube 9 is provided with a plurality of drainage holes 11, which are arranged at equal intervals along the direction of the liquid guide tube 9.
[0031] The working principle of the air-powered rock-splitting device provided by this utility model is as follows:
[0032] First, depending on the drilling depth of the mountain, it is necessary to determine whether to connect cylinder 1. If several cylinders 1 need to be connected, they need to be assembled first. First, install the liquid guide tube 9, solid liquid absorption layer 10, and positioning ring 12 into the cylinder 1. Then, install the upper cover 2 and lower cover 3 with glue or threads. After all are installed, bring the upper cover 2 on one cylinder 1 and the lower cover 3 on another cylinder 1 close to a suitable connection distance. Then, rotate and open the two rotating half rings 18 on the connecting seat 8, and then install one end of the connecting cylinder 19 to the upper connecting hose. 4. Next, install the other end of the connecting sleeve 19 onto the lower connecting hose 5. Then, for further fixation, rotate the two rotating half-rings 18 so that they contact the connecting hose 4 and the lower connecting hose 5 respectively. Then, install and fix the same fixing bolt 21 in the through holes of the corresponding fixing half-ring 20 and rotating half-ring 18. At this point, the lower connecting hose 5 and the upper connecting hose 4 are connected. To prevent the hose from bending and affecting the liquid oxygen input efficiency during use, it is necessary to further install the connecting rod 15. First, install one end of the connecting rod 15 onto... The perforation is concentric with the mounting hole 7 on the upper cover 2. Then, the connecting bolt 16 is installed into the mounting hole 7 on the upper cover 2. Similarly, the other end of the connecting rod 15 is installed into the mounting hole 7 on the lower cover 3. Since the length of the connecting bolt 16 is greater than the depth of the mounting hole 7, the connecting rod 15 can rotate on the connecting bolt 16. After several cylinders 1 are connected using the above method, the lower connecting hose 5 of the last cylinder 1 needs to be plugged. At this time, the plug 22 is installed into the lower connecting hose 5 of the last cylinder 1. Simultaneously, to conserve liquid oxygen... To ensure that the liquid oxygen is absorbed more fully by the solid absorbent layer 10, the vent pipes 14 on all cylinders 1 except the last one need to be closed. The sealing block 17 needs to be rotated and installed onto the outlet of the vent pipe 14. Then, the wires 6 on several cylinders 1 are connected to the same lead wire. After that, the connected rock-splitting device is placed into the pre-drilled hole. Then, the upper connecting hose 4 on the first cylinder 1 is connected to the liquid oxygen input device. After the liquid oxygen is input, the electronic match head 13 is detonated through the lead wire, and the liquid oxygen expands to achieve the mountain-splitting effect.
[0033] If the blasting range is small and the holes are shallow, and multiple connections to the cylinder 1 are not required, then the lower connecting hose 5 on a single cylinder 1 can be blocked, and then it can be installed, oxygenated, and detonated.
[0034] Compared with related technologies, the air-powered rock-splitting device provided by this utility model has the following advantages:
[0035] Beneficial effects:
[0036] This utility model provides an air-source rock-splitting device. The upper connecting hose 4, the lower connecting hose 5, and the connecting cylinder 19 can connect two cylinders 1, enabling blasting treatment of rocks at various depths. It has strong adaptability, is easy to operate, greatly improves work efficiency, and reduces the consumption of manpower and material resources. The connecting rod 15 can support and fix multiple cylinders 1 at the connection points, avoiding the obstruction of liquid oxygen transmission caused by the bending of the hose. The sealing block 17 can seal the outlet pipe 14, making the input and absorption of liquid oxygen more complete, avoiding the waste of liquid oxygen, improving the smoothness of construction, and saving consumable costs.
[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. An air-powered rock-splitting device, characterized in that, include: The cylinder has an upper cover at its upper end and a lower cover at its lower end. A liquid guide tube is installed inside the cylinder. The upper end of the liquid guide tube passes through the upper cover and is fixedly connected to an upper connecting hose. The lower end of the liquid guide tube passes through the lower cover and is fixedly connected to a lower connecting hose. Both the upper and lower covers have symmetrical mounting holes, and connecting bolts are threaded into these holes. One end of a connecting rod is rotatably mounted on each connecting bolt on the upper cover. The other ends of the two connecting rods are rotatably mounted on corresponding connecting bolts on the lower cover. A connecting seat is installed between the upper connecting hose and the lower connecting hose. A connecting cylinder is fixedly installed on the connecting seat. One end of the connecting cylinder is adapted to the upper connecting hose, and the other end of the connecting cylinder is adapted to the lower connecting hose. A fixed half-ring is symmetrically fixedly installed on the connecting seat, and a rotating half-ring is symmetrically rotatably installed on the connecting seat. The corresponding fixed half-ring and rotating half-ring are adapted to the corresponding connecting hoses. Both the fixed half-ring and rotating half-ring have through holes, and the same fixing bolt is installed in the through holes of the corresponding fixed half-ring and rotating half-ring.
2. The air-powered rock-splitting device according to claim 1, characterized in that, An electric wire is installed on the top cover, extending into the cylinder. An electronic match head is fixedly installed at one end of the electric wire inside the cylinder.
3. The air-powered rock-splitting device according to claim 1, characterized in that, An air outlet pipe is installed on the top cover. One end of the air outlet pipe extends into the cylinder body, and the inner wall of the other end of the air outlet pipe is threaded. A sealing block is threaded to the end of the air outlet pipe located outside the cylinder body, and a pinch block is fixedly installed on the sealing block.
4. The air-powered rock-splitting device according to claim 1, characterized in that, The liquid guide tube has several drainage holes, and several positioning rings are installed inside the cylinder. The liquid guide tube is adapted to the positioning rings, and a solid liquid-absorbing layer is provided inside the cylinder, which is in contact with the liquid guide tube.
5. The air-powered rock-splitting device according to claim 1, characterized in that, A plug is installed on the lower connecting hose, and a cylindrical protrusion is provided on the plug, which is adapted to the port of the lower connecting hose.
6. The air-powered rock-splitting device according to claim 1, characterized in that, The upper and lower covers are attached to both ends of the cylinder by glue or threads.
7. The air-powered rock-splitting device according to claim 1, characterized in that, The liquid guide tube has several drainage holes, which are arranged at equal intervals along the direction of the liquid guide tube.