CN112835094A - Seismic wave method tunnel advance geology forecast explosive package installation device - Google Patents
Seismic wave method tunnel advance geology forecast explosive package installation device Download PDFInfo
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- CN112835094A CN112835094A CN202110014204.0A CN202110014204A CN112835094A CN 112835094 A CN112835094 A CN 112835094A CN 202110014204 A CN202110014204 A CN 202110014204A CN 112835094 A CN112835094 A CN 112835094A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/104—Generating seismic energy using explosive charges
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Abstract
The invention provides a seismic wave method tunnel advanced geological prediction explosive package installation device, which comprises a metal cylinder with scale marks and a propeller arranged in the cylinder; the cylinder is provided with two semicircular gaps which are an explosive bag placing gap and a water filling gap respectively; the propeller comprises a propelling rod and a piston connected to one end of the propelling rod, and the piston is arranged in the cylinder. The invention can accurately measure the installation position of the explosive package, avoid the separation of the explosive and the detonator and improve the geometric coupling relation of the explosive and the surrounding rock in a mode of directly injecting water into the bottom of the blast hole through the device, thereby improving the utilization rate and the action capacity of the explosion energy, increasing the penetrating capacity of seismic waves in the rock stratum and improving the accuracy of the forecasting result.
Description
Technical Field
The invention relates to a seismic wave method tunnel advanced geological prediction explosive package installation device, and belongs to the technical field of seismic wave method tunnel advanced geological prediction.
Background
In the existing seismic wave method tunnel advanced geological forecast, the depth of a blast hole is generally taken as the position of an explosion point for data processing, the measurement of the explosion point and the installation of an explosive package generally comprise the steps of firstly measuring the depth of the blast hole by using a plastic pipe with scales, and then plugging the plastic pipe for the explosive package bound with a detonator and an explosive into the blast hole, and the working mode has the following defects:
if rock debris exists in the blast hole or the blast hole collapses after the depth measurement is finished, the explosive package cannot be placed at the bottom of the blast hole, the explosive package not placed at the bottom of the blast hole can cause inaccurate measurement data due to the fact that an actual explosion point is inconsistent with a measured explosion point, accuracy of a forecast result is influenced, and explosion sound is too loud due to too shallow depth of the explosive, so that the environment is influenced;
if rock debris exists in the blast hole or the blast hole collapses after the depth measurement is finished, the explosive and the detonator are easily separated in the explosive filling process, the explosive separation of the detonator can not only cause the explosive to be incapable of being detonated and the seismic source to be invalid, but also cause potential safety hazards due to the fact that the explosive cannot be taken out;
the explosive package is directly plugged into the blast hole by using the plastic pipe, and in the process of withdrawing the plastic pipe, the detonator and the explosive are easily separated or the explosive package filled into the bottom of the blast hole is taken away from the bottom of the blast hole due to the friction between the plastic pipe and a detonator pipeline, so that the explosive can not be detonated or the actual explosion point is inconsistent with the measured explosion point;
the seismic reflection wave method is used for advanced geological prediction, and water is needed to be used as a coupling agent of an explosive package and surrounding rock to improve the geometric coupling relation between explosive and the surrounding rock, improve the utilization rate and the action capacity of explosion energy and increase the penetrating capacity of seismic waves in a rock stratum. The existing irrigation mode is that a plastic hose extends into a blast hole by 20-30 cm, water is irrigated into the plastic hose from an orifice, and water flows into the bottom of the hole.
Disclosure of Invention
In order to solve the technical problem, the invention provides a seismic wave method tunnel advanced geological prediction explosive package installation device.
The invention is realized by the following technical scheme.
The invention provides a seismic wave method tunnel advanced geological prediction explosive package installation device, which comprises a metal cylinder with scale marks and a propeller arranged in the cylinder; the cylinder is provided with two semicircular gaps which are an explosive bag placing gap and a water filling gap respectively; the propeller comprises a propelling rod and a piston connected to one end of the propelling rod, and the piston is arranged in the cylinder.
The outer diameter of the cylinder is 30-35 mm, the thickness is 1-2 mm, and the length is 1.8-2.0 m.
The scale marks are engraved on the outer surface of the cylinder in cm.
The top end scale of the cylinder is 0, and the tail end scale is the length of the cylinder.
The top end is one end plugged into the blast hole.
The distance between the explosive package placing notch and the top end of the cylinder is 10-20 cm, and the length of the notch is 25 cm.
The diameter of the piston is smaller than the inner diameter of the cylinder.
The piston is provided with a plurality of uniformly distributed holes.
The length of the push rod is greater than that of the cylinder.
The invention has the beneficial effects that: the installation position of the explosive package can be accurately measured, the separation of the explosive and the detonator is avoided, the geometric coupling relation between the explosive and the surrounding rock is improved in a mode of directly injecting water into the bottom of the blast hole through the device, the utilization rate and the action capacity of explosion energy are improved, the penetrating capacity of seismic waves in the rock stratum is improved, and the accuracy of forecasting results is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention showing a cartridge containing an explosive charge inserted into the bottom of a borehole;
FIG. 3 is a schematic view of the present invention with the drum extracted to place the explosive charge at the bottom of the borehole and water injected into the borehole bottom;
FIG. 4 is a schematic view of the present invention with the barrel and thruster removed and water injected into the blast hole;
in the figure: 1-cylinder, 2-explosive package placement gap, 3-water filling gap, 4-detonator line, 5-propeller, 6-explosive package, 7-detonator, 8-piston, 9-propelling rod and 10-scale mark.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-4, a seismic wave method tunnel advanced geological prediction explosive package installation device comprises a metal cylinder 1 with scale marks 10 and a propeller 5 arranged in the cylinder 1; the cylinder 1 is provided with two semicircular gaps, namely an explosive bag placing gap 2 and a water filling gap 3; the propeller 5 comprises a propeller rod 9 and a piston 8 connected to one end of the propeller rod 9, and the piston 8 is arranged in the cylinder 1.
The outer diameter of the cylinder 1 is 30-35 mm, the thickness is 1-2 mm, and the length is 1.8-2.0 m.
The scale mark 10 is engraved on the outer surface of the cylinder 1 in cm.
The scale on the top of the cylinder 1 is 0, and the scale on the tail end is the length of the cylinder 1.
The top end is one end plugged into the blast hole.
The distance between the explosive package placing gap 2 and the top end of the cylinder 1 is 10-20 cm, and the gap length is 25 cm.
The diameter of the piston 8 is smaller than the inner diameter of the cylinder 1.
And a plurality of uniformly distributed holes are formed in the piston 8.
The length of the push rod 9 is greater than the length of the cylinder 1.
When the explosive package is installed, other auxiliary devices are not used, the explosive package is placed at the top end of the device through the explosive package placing notch on the device, the top end of the device with the length mark is plugged into the bottom of the blast hole, the length of the blast hole plugged by the device is used as the depth of the explosive package, the explosive package is plugged into the bottom of the blast hole through the propeller on the device, the water is filled into the blast hole through the water filling notch at the tail end of the device while the device is taken out, and the water directly flows into the bottom of the blast hole through the device, so that the defects of the prior art are overcome, and the explosive package installation device has the characteristics of simplicity in operation, convenience and practicability.
Examples
As mentioned above, the invention mainly comprises a metal cylinder with scale marks and a propeller, wherein the metal cylinder is made of a metal material which has certain rigidity and is relatively light, the outer diameter is generally 30-35 mm, the thickness is 1-2 mm, the length is 1.8-2.0 m, the scale marks are arranged on the surface of the cylinder, the unit is cm, the scale marks at the top end (the end plugged into the bottom of a blast hole) are 0, and the scale marks at the tail end (the other end) are the length of the metal cylinder; the metal cylinder is provided with two semicircular gaps which are an explosive package placing gap and a tail end water filling gap respectively, the distance between the explosive package placing gap and the top end of the cylinder is generally 10-20 cm, the length of the gap is generally 25cm, and the explosive package is filled into the cylinder through the explosive package placing gap; the propeller consists of piston with hole and pushing rod, the pushing rod is made of light metal or resin material capable of bearing certain pressure, the piston is smaller than the inside diameter of the metal cylinder, and there are 6-8 holes in the piston for water to flow into the bottom of the blast hole.
The operation steps of the invention are as follows:
firstly, placing an explosive bag 6 at the top end of a cylinder through a metal cylinder explosive bag placing gap, and leading a detonator pipeline 4 to the tail end of the cylinder along the cylinder through the explosive bag placing gap;
secondly, inserting a metal cylinder into the blast hole until the top end of the cylinder reaches the bottom of the blast hole, wherein the length of the cylinder inserted into the blast hole is the depth of the explosive charge placement point;
thirdly, pushing the propeller into the metal cylinder until a piston of the propeller contacts the explosive package, stopping the propulsion, protecting the propulsion rod with one hand, slightly pulling the metal cylinder backwards with the other hand until the explosive package is separated from the metal cylinder, and estimating the backward pulling distance of the metal cylinder according to the length of the explosive package;
fourthly, using a water pipe or other water containing devices to fill water into the blast hole through a water filling gap at the tail end of the cylinder, enabling water flow to flow into the bottom of the blast hole through the cylinder and the holes of the piston on the propeller, and simultaneously slowly drawing out the metal cylinder and the propeller rod;
fifthly, the metal cylinder and the pushing rod are completely drawn out of the blast hole and then transferred to the next blast hole.
The invention has the beneficial effects that:
1. the specific depth position of an explosion point can be accurately measured, and the influence on the forecasting result due to inaccurate measurement parameters is avoided;
2. the problem that the blasting effect is influenced because the explosive cannot be detonated due to the separation of the explosive and the detonator is avoided, and meanwhile, the potential danger caused by the fact that the explosive is not detonated is avoided;
3. water is directly injected into the bottom of the blast hole, so that the defect that the water cannot be injected into the bottom of the hole due to the breakage of the hole wall in the traditional irrigation mode is overcome, the geometric coupling relation between the explosive and the surrounding rock is improved, the utilization rate and the action capacity of explosion energy are improved, and the penetrating capacity of seismic waves in the rock stratum is improved;
4. as the integrated device for mounting the seismic wave method tunnel advanced geological prediction explosive bag with hole depth measurement and hole bottom water filling, the integrated device can be recycled for many times, greatly improves the working efficiency and reduces unnecessary cost waste.
Claims (9)
1. The utility model provides a seismic method tunnel advance geology forecast explosive package installation device, includes metal drum (1) of taking scale mark (10) and sets up propeller (5) in drum (1), its characterized in that: the cylinder (1) is provided with two semicircular gaps which are an explosive bag placing gap (2) and a water filling gap (3) respectively; the propeller (5) comprises a propeller rod (9) and a piston (8) connected to one end of the propeller rod (9), and the piston (8) is arranged in the cylinder (1).
2. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: the outer diameter of the cylinder (1) is 30-35 mm, the thickness is 1-2 mm, and the length is 1.8-2.0 m.
3. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: the scale mark (10) is engraved on the outer surface of the cylinder (1) in cm.
4. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: the scale on the top end of the cylinder (1) is 0, and the scale on the tail end is the length of the cylinder (1).
5. The seismic tunneling advance geological prediction explosive installation apparatus of claim 4, wherein: the top end is one end plugged into the blast hole.
6. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: the distance between the explosive package placing notch (2) and the top end of the cylinder (1) is 10-20 cm, and the length of the notch is 25 cm.
7. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: the diameter of the piston (8) is smaller than the inner diameter of the cylinder (1).
8. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: and a plurality of uniformly distributed holes are formed in the piston (8).
9. The seismic tunneling advance geological prediction explosive installation apparatus of claim 1, wherein: the length of the push rod (9) is larger than that of the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014204.0A CN112835094A (en) | 2021-01-06 | 2021-01-06 | Seismic wave method tunnel advance geology forecast explosive package installation device |
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| CN202110014204.0A CN112835094A (en) | 2021-01-06 | 2021-01-06 | Seismic wave method tunnel advance geology forecast explosive package installation device |
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| CN112835094A true CN112835094A (en) | 2021-05-25 |
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| CN202110014204.0A Pending CN112835094A (en) | 2021-01-06 | 2021-01-06 | Seismic wave method tunnel advance geology forecast explosive package installation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116299660A (en) * | 2023-03-23 | 2023-06-23 | 广西公路检测有限公司 | Fine installation equipment and method for TGP method trigger device and receiving device |
| CN116299660B (en) * | 2023-03-23 | 2024-05-10 | 广西公路检测有限公司 | Fine installation equipment and method for TGP method trigger device and receiving device |
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