Damping device for deep hole blasting
By designing two sets of buffer springs and diversion devices in the deep -hole blasting device, the problem of adverse effects and device stability of the blasting vibration on the constructive plant is solved, and the more efficient blasting effect and device stability are achieved.
Patent Information
- Application Number
- CN202421272993.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-05
AI Technical Summary
During the deep hole blasting process, the vibration generated by the blasting adversely affects the stability of nearby buildings, and excessive blasting energy will affect the stability of the equipment, resulting in damage to the internal structure of the device.
A vibration reduction device including two sets of buffer spring and diversion device is designed. The buffer spring provides a buffer by compression, and the piston drives the lifting valve and the telescopic rod rises to further provide a buffer. The diversion device changes the direction of shock waves and air waves, weaken energy, and prevent excessive vibration.
Effectively reduce the vibration generated by blasting, improve the stability of the device during impact, avoid damage to the device, and release the energy to the inner wall of the deep hole, which improves the blasting effect and efficiency.
Smart Images
Figure CN222418810U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of deep hole blasting, in particular to a vibration reduction device used for deep hole blasting. Background Art
[0002] Blasting technology has the characteristics of high efficiency and low cost, so blasting operations are used in many projects, especially in the fields of tunnel construction and mining. Ordinary mechanical construction is time-consuming and labor-intensive, with high labor costs and great damage to machinery. Blasting is a good solution. Commonly used detonation methods include: electric detonation, fuse detonation, detonating cord detonation, etc. Among them, electric detonation is widely used because of its safety, reliability, accuracy and efficiency.
[0003] In the prior art, a large amount of soil is often used to compact the blasting deep holes to improve the blasting effect. However, due to the different construction site environments, the blasting effect cannot be improved well. Instead, the large vibrations generated by the blasting have an adverse effect on the stability of nearby structures. When using equipment for vibration reduction operations, the excessive blasting energy will affect the stability of the equipment, and the shock waves and air waves generated by the blasting are the main causes of vibration, which will cause damage to structures such as gears inside the device. Therefore, in order to solve the above problems, the utility model proposes a vibration reduction device for deep hole blasting. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a vibration reduction device for deep hole blasting. Two groups of buffer springs are arranged to cooperate to buffer the energy of blasting. The piston can flexibly adjust the energy reduction rate to prevent spring damage. The fixed rod enters the wall of the deep hole to improve the stability of the device. The guide device disrupts the direction of energy propagation to prevent excessive energy from causing large vibrations, and releases the energy to the surrounding inner walls of the deep hole to improve the blasting effect.
[0005] The utility model provides the following technical solution: a vibration reduction device for deep hole blasting, comprising a shell, a cavity one is opened inside the shell, a piston is movably connected to the upper part of the cavity one, a connecting rod one is fixedly installed on the upper part of the piston, the connecting rod one is movably sleeved on the top of the cavity one, a buffer spring one is arranged outside the connecting rod one, the bottom end of the buffer spring one is fixedly installed on the upper part of the piston, and the top end of the buffer spring one is fixedly installed on the top of the cavity one, a cavity two is opened inside the shell and directly above the cavity one, a lifting valve is fixedly installed on the upper end of the connecting rod one, and the lifting valve is movably connected in the cavity two.
[0006] Preferably, the upper part of the lifting valve is evenly and movably connected with a connecting block one through an axis, the number of the connecting blocks one is four, a telescopic rod is fixedly installed on the upper part of the connecting block one, a connecting block two is fixedly installed on the telescopic end of the telescopic rod, a buffer spring two is arranged on the outside of the telescopic rod, the bottom end of the buffer spring two is fixedly installed on the upper part of the connecting block one, and the top end of the buffer spring two is fixedly installed on the bottom of the connecting block two.
[0007] Preferably, a slider is movably connected to the upper part of the second connecting block through an axis, and sliding grooves are evenly opened on the top of the second cavity. The slider is movably connected to the lower part of the sliding groove, a connecting rod 2 is fixedly installed on the upper part of the slider, and a fixing rod is fixedly installed on the upper part of the second connecting rod, and the second connecting rod and the fixing rod are movably connected to the middle and upper parts of the sliding groove respectively.
[0008] Preferably, cavity three is evenly opened inside the shell and around cavity one, and there are four cavities three. One end of cavity three facing cavity one is fixedly connected to cavity one, and the connection between cavity three and cavity one is clamped with the piston, and one end of cavity three away from cavity one is clamped with the bottom of the lifting valve, and a flow guide device is fixedly installed in cavity three.
[0009] Preferably, the guide device includes guide plate one, the number of the guide plates one is two and they are evenly distributed in the upper part of cavity three, and the number of the guide plates two is three and they are evenly fixedly installed in the lower part of cavity three and below the guide plate one.
[0010] Preferably, the shell side surface is evenly provided with discharge ports, the number of the discharge ports is four, and one end of the cavity three away from the cavity one is fixedly connected to the discharge port.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. Buffering is provided by compressing the buffer spring 1, and at the same time, the piston drives the lifting valve to rise to push the telescopic rod. At this time, the buffer spring 2 is compressed to further provide buffering. The energy generated by the explosion of the device is buffered by setting two groups of buffer springs. At the same time, the spring 1 is compressed to make the shock wave and the air wave enter the cavity 3. The piston can adjust the size of the connection between the cavity 3 and the cavity 1 according to the intensity of the explosion. The slider drives the fixed rod to slide in the slide groove, so that the fixed rod leaves the slide groove and enters the wall of the deep hole, making the device more stable, improving the stability of the device when it is subjected to impact, and avoiding excessive blasting energy causing a large displacement of the device.
[0013] 2. By setting up a guide device, the shock wave and air wave pass through the guide plate 1 and the guide plate 2 when entering the cavity 3, weakening the energy carried by the shock wave and the air wave. Finally, the weakened shock wave and the air wave are spread to the surrounding deep hole walls through the discharge port, changing the propagation direction of the shock wave and the sound wave generated by the blasting, weakening the energy propagating vertically upward, preventing excessive energy from causing large vibrations, avoiding the adverse effects of the blasting on the stability of nearby structures, and releasing the energy to the surrounding deep hole inner walls to improve the blasting effect, so that the efficiency of deep hole blasting is effectively increased. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the exterior structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;
[0017] Figure 4 This is a schematic diagram of the chute structure of the utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the guide plate of the utility model.
[0019] In the figure: 1. shell; 2. cavity one; 3. piston; 4. connecting rod one; 5. buffer spring one; 6. cavity two; 7. lifting valve; 8. connecting block one; 9. telescopic rod; 10. connecting block two; 11. buffer spring two; 12. slider; 13. slide groove; 14. connecting rod two; 15. fixing rod; 16. cavity three; 17. guide device; 171. guide plate one; 172. guide plate two; 18. discharge port. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-Figure 5A vibration reduction device for deep hole blasting, comprising a shell 1, a cavity 2 is provided inside the shell 1, a piston 3 is movably connected to the upper part of the cavity 2, a connecting rod 4 is fixedly installed on the upper part of the piston 3, the connecting rod 4 is movably sleeved on the top of the cavity 2, a buffer spring 5 is arranged outside the connecting rod 4, the bottom end of the buffer spring 5 is fixedly installed on the upper part of the piston 3, and the top end of the buffer spring 5 is fixedly installed on the top of the cavity 2, a cavity 2 6 is provided inside the shell 1 and directly above the cavity 2, a lifting valve 7 is fixedly installed on the upper end of the connecting rod 4, the lifting valve 7 is movably connected to the cavity 2 6, the upper part of the lifting valve 7 is evenly movably connected to a connecting block 8 through an axis, the number of the connecting blocks 8 is four, a telescopic rod 9 is fixedly installed on the upper part of the connecting block 8, a connecting block 2 10 is fixedly installed on the telescopic end of the telescopic rod 9, a buffer spring 2 11 is arranged outside the telescopic rod 9, and the bottom end of the buffer spring 2 11 is fixedly installed on the upper part of the connecting block 8 , the top of the buffer spring 11 is fixedly installed at the bottom of the connecting block 10. When blasting, the shock wave and air wave generated by the explosion in the deep hole first enter the cavity 2, and the piston 3 rises due to the pressure, driving the buffer spring 5 to be compressed. After the buffer spring 5 is compressed, elastic potential energy is generated to provide buffering, and at the same time, the piston 3 drives the connecting rod 4 to rise, and the connecting rod 4 drives the lifting valve 7 to rise. The lifting valve 7 rises and pushes the telescopic rod 9. At this time, the buffer spring 11 is compressed to further provide buffering. The energy generated by the blasting of the device is buffered by setting the piston 3 and the spring 5. At the same time, the spring 5 is compressed to make the shock wave and air wave enter the cavity 3 16. The piston 3 can adjust the size of the connection port between the cavity 3 16 and the cavity 2 according to the intensity of the blasting, reduce the impact force on the device in the vertical direction, and prevent the buffer spring from reducing the buffering effect due to the excessive vertical impact force, so that the device can achieve better vibration reduction effect;
[0022] The upper part of the connecting block 10 is movably connected with a slider 12 through an axis, and a slide groove 13 is evenly opened on the top of the cavity 6. The slider 12 is movably connected to the lower part of the slide groove 13. A connecting rod 14 is fixedly installed on the upper part of the slider 12, and a fixed rod 15 is fixedly installed on the upper part of the connecting rod 14. The connecting rod 14 and the fixed rod 15 are movably connected to the middle and upper parts of the slide groove 13 respectively. The telescopic rod 9 drives the slider 12 to slide in the slide groove 13, and the slider 12 drives the fixed rod 15 to slide in the slide groove 13 through the connecting rod 14, so that the fixed rod 15 Leaving the slide groove 13 and entering the wall of the deep hole, the device is more stable, the stability of the device when it is impacted is improved, and the device is prevented from moving too much due to excessive blasting energy. Cavity three 16 is evenly opened inside the shell 1 and around the cavity one 2. There are four cavities three 16. One end of the cavity three 16 facing the cavity one 2 is fixedly connected to the cavity one 2. The connection between the cavity three 16 and the cavity one 2 is clamped with the piston 3. The end of the cavity three 16 away from the cavity one 2 is clamped with the bottom of the lifting valve 7. A guide is fixedly installed in the cavity three 16. The flow guide device 17 includes a guide plate 171, the number of the guide plates 171 is two and they are evenly distributed on the upper part of the cavity 3 16, the lower part of the cavity 3 16 and below the guide plate 171 are evenly fixed with a guide plate 2 172, the number of the guide plates 2 172 is three, the side of the shell 1 is evenly provided with a discharge port 18, the number of the discharge port 18 is four, the end of the cavity 3 16 away from the cavity 1 2 is fixedly connected to the discharge port 18, after the piston 3 and the lifting valve 7 rise, the shock wave and the air wave can enter the cavity 3 16 and through the guide plate 1 171 and the guide plate 2 172, the energy carried by the shock wave and the air wave is weakened, and finally the weakened shock wave and the air wave are spread to the surrounding deep hole walls through the discharge port 18, and the vertically upward propagation energy is weakened by changing the propagation direction of the shock wave and the sound wave generated by the blasting, so as to prevent the damage of the device caused by excessive energy, avoid the adverse effect of the blasting on the stability of nearby buildings, and release the energy to the surrounding deep hole inner wall to improve the blasting effect, so that the efficiency of the deep hole blasting is effectively increased.
[0023] Working principle: The device is placed in a blasting deep hole. When blasting, the shock wave and air wave generated by the explosion in the deep hole first enter the cavity 2, and the piston 3 rises under pressure, driving the buffer spring 5 to compress. After the buffer spring 5 is compressed, elastic potential energy is generated to provide buffering. At the same time, the piston 3 drives the connecting rod 4 to rise, and the connecting rod 4 drives the lifting valve 7 to rise. The lifting valve 7 rises and pushes the telescopic rod 9. At this time, the buffer spring 2 11 is compressed to further provide buffering. The telescopic rod 9 drives the slider 12 to slide in the slide groove 13, and the slider 12 drives the fixed rod 15 to slide in the slide groove 13 through the connecting rod 2 14, so that the fixed rod 15 leaves the slide groove 13 and enters the deep hole wall, making the device more stable. After the piston 3 and the lifting valve 7 rise, the shock wave and air wave can enter the cavity 3 16 and pass through the guide plate 1 171 and the guide plate 2 172, so that the energy carried by the shock wave and air wave is weakened, and finally the weakened shock wave and air wave are spread to the surrounding deep hole walls through the discharge port 18.
Claims
1. A vibration reduction device for deep hole blasting, comprising a housing (1), characterized in that: The shell (1) has a cavity (2) formed inside, the upper part of the cavity (2) is movably connected to a piston (3), the upper part of the piston (3) is fixedly mounted with a connecting rod (4), the connecting rod (4) is movably sleeved on the top of the cavity (2), a buffer spring (5) is arranged outside the connecting rod (4), the bottom end of the buffer spring (5) is fixedly mounted on the upper part of the piston (3), the top end of the buffer spring (5) is fixedly mounted on the top of the cavity (2), a cavity (6) is formed inside the shell (1) and directly above the cavity (2), a lifting valve (7) is fixedly mounted on the upper end of the connecting rod (4), and the lifting valve (7) is movably connected in the cavity (6).
2. A vibration reduction device for deep hole blasting according to claim 1, characterized in that: The upper part of the lifting valve (7) is evenly and movably connected to a connecting block one (8) through an axis, and the number of the connecting blocks one (8) is four. A telescopic rod (9) is fixedly installed on the upper part of the connecting block one (8), and a connecting block two (10) is fixedly installed on the telescopic end of the telescopic rod (9). A buffer spring two (11) is arranged outside the telescopic rod (9), and the bottom end of the buffer spring two (11) is fixedly installed on the upper part of the connecting block one (8), and the top end of the buffer spring two (11) is fixedly installed on the bottom of the connecting block two (10).
3. A vibration reduction device for deep hole blasting according to claim 2, characterized in that: The upper part of the second connecting block (10) is movably connected to a slider (12) via an axis, the top of the second cavity (6) is evenly provided with a slide groove (13), the slider (12) is movably connected to the lower part of the slide groove (13), the upper part of the slider (12) is fixedly installed with a second connecting rod (14), the upper part of the second connecting rod (14) is fixedly installed with a fixing rod (15), and the second connecting rod (14) and the fixing rod (15) are movably connected to the middle and upper parts of the slide groove (13) respectively.
4. A vibration reduction device for deep hole blasting according to claim 1, characterized in that: Cavity three (16) is evenly arranged inside the shell (1) and around cavity one (2), and there are four cavities three (16). One end of cavity three (16) facing cavity one (2) is fixedly connected to cavity one (2), and the connection between cavity three (16) and cavity one (2) is clamped with the piston (3), and one end of cavity three (16) away from cavity one (2) is clamped with the bottom of the lifting valve (7), and a flow guide device (17) is fixedly installed in cavity three (16).
5. A vibration reduction device for deep hole blasting according to claim 4, characterized in that: The guide device (17) comprises a guide plate one (171), the guide plates one (171) being two in number and evenly distributed on the upper part of the cavity three (16), and a guide plate two (172) being evenly fixedly installed on the lower part of the cavity three (16) and located below the guide plate one (171), the guide plate two (172) being three in number.
6. A vibration reduction device for deep hole blasting according to claim 4, characterized in that: The shell (1) is evenly provided with discharge ports (18), the number of the discharge ports (18) being four, and one end of the cavity three (16) away from the cavity one (2) is fixedly connected to the discharge port (18).