CN113154968A - Waterproof joint of digital electronic detonator and use method thereof - Google Patents
Waterproof joint of digital electronic detonator and use method thereof Download PDFInfo
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- CN113154968A CN113154968A CN202110603477.9A CN202110603477A CN113154968A CN 113154968 A CN113154968 A CN 113154968A CN 202110603477 A CN202110603477 A CN 202110603477A CN 113154968 A CN113154968 A CN 113154968A
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- shaped
- waterproof
- digital electronic
- electronic detonator
- wire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A digital electronic detonator waterproof joint and a using method thereof are provided, wherein U-shaped cylinders of the waterproof joint are connected in parallel into a bead shape through an initiation main line, waterproof inner plugs are connected with digital electronic detonators, the waterproof inner plugs are pressed into cavities of the U-shaped cylinders and clamped on L-shaped bayonets, and contact pieces of U-shaped outer cylinders are communicated through tongue springs to form an initiation network. The waterproof inner plug is pressed into the cavity of the U-shaped cylinder to compress air in the U-shaped cylinder, and the compressed air in the U-shaped cylinder prevents water outside the joint from permeating into the contact because the air pressure is greater than or equal to the water pressure; meanwhile, the adopted waterproof O-shaped ring is rubber which expands when meeting water, and the waterproof O-shaped ring expands when meeting water and blocks a water seepage point in time to form a double-waterproof structure, so that the reliability of underwater blasting initiation is ensured.
Description
Technical Field
The invention relates to the technical field of engineering blasting, in particular to a waterproof joint of a digital electronic detonator, which is suitable for being used underwater with the depth of 0-40 m.
Background
At present, the digital electronic detonator is widely applied to the field of blasting construction, but is used in the fields of humid environment and underwater blasting, particularly in deep water areas, because the waterproof problem of the connector is not well solved, more blind shots are caused because of overlarge current, short circuit, water flow damage to the connector and the like caused by electric leakage. Therefore, there is a need to provide a new digital electronic detonator waterproof joint suitable for wet environment and underwater blasting to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a waterproof joint of a digital electronic detonator.
The invention adopts the following technical scheme to achieve the aim: the utility model provides a digital electronic detonator waterproof joint, constitutes the component and includes U type barrel, U type barrel and connects electric wire, L type bayonet socket, waterproof inner plug, digital electronic detonator leg wire, meet water inflation's O type rubber circle, interior tongue spring, outer tongue spring, interior contact, outer contact, digital electronic detonator exploder and detonating the thread between the barrel, the concrete structure and the relation of connection of component are:
the digital electronic detonator is connected with the inner reed and the outer reed through a digital electronic detonator foot line passing through a waterproof inner plug foot line hole respectively, an O-shaped rubber ring mounting groove is arranged at the front end of the waterproof inner plug, an O-shaped rubber ring expanding in water is mounted in the O-shaped rubber ring mounting groove, the O-shaped rubber ring expanding in water is in interference fit with the U-shaped cylinder, the tail end of the connecting electric wire between the U-shaped cylinders is connected with an initiation main line, and the initiation main line is connected with the digital electronic detonator initiator.
The waterproof inner plug is provided with two clamping wings which are protruded up and down, and the clamping wings are connected with the L-shaped bayonet in a matching mode.
The wire inlet of the U-shaped cylinder and the waterproof inner plug and the wire are plugged and waterproof by using a bonding agent.
The inner contact piece and the outer contact piece are arranged at the bottom of the U-shaped barrel, and the barrel is smooth and free of unevenness.
The waterproof inner plug needs to be pressed into the waterproof U-shaped outer barrel body under the action of stress, and is firmly clamped through the L-shaped bayonet, and a compressed air cavity is arranged between the waterproof inner plug and the waterproof U-shaped barrel body.
The electric wire between the U-shaped cylinders is a waterproof electric wire with an inner layer of glue and an outer layer of glue.
The U-shaped outer cylinder body and the waterproof inner plug are made of high-strength plastics.
The use method of the waterproof joint of the digital electronic detonator comprises the following steps:
(1) drilling a blast hole into underwater rock on a drilling and blasting ship through a sleeve;
(2) binding the explosive cartridge designed for blasting on the bamboo chips, inserting the digital electronic detonator with the waterproof inner plug and the digital electronic detonator leg wire into the explosive cartridge, and binding and fixing;
(3) loading the processed explosive and the digital electronic detonator together into the bottom of the blasting hole from the sleeve, and filling the rest drilling and blasting holes with coarse sand;
(4) after all the drill holes are drilled, forcibly pressing the waterproof inner plugs into the U-shaped barrel, compressing air in the air cavity, enabling the clamping wings to reach the corners of the L-shaped bayonets, and rotating the rotating handle of the waterproof inner plugs to clamp the clamping wings on the L-shaped bayonets;
(5) checking the contact conditions of the digital electronic detonator, the inner reed and the outer reed with the inner contact piece and the outer contact piece;
(6) and after the inspection is finished, connecting a main line, moving the ship to warn, and then connecting a digital electronic detonator initiator to initiate and break the rock.
The invention has the outstanding advantages that:
1. the digital electronic detonator adopts a double waterproof measure of compressed air and the O-shaped rubber ring which expands when meeting water, has good waterproof effect, and solves the problem of blind blasting caused by water entering the connector under humid and underwater environments, particularly under deep water conditions.
2. The O-shaped rubber ring is made of rubber which can expand when meeting water, and the rubber which can expand underwater can effectively block water leakage points.
3. The line is simple and quick to connect, and the U-shaped outer barrel string can be recycled after blasting.
Drawings
Fig. 1 is a schematic structural diagram of a waterproof joint of a digital electronic detonator according to the present invention.
Fig. 2 is a schematic side view of a U-shaped outer cylinder of the waterproof joint of the digital electronic detonator according to the present invention.
Fig. 3 is a schematic view of an L-shaped bayonet of a U-shaped outer cylinder of the waterproof joint of the digital electronic detonator according to the present invention.
Fig. 4 is a schematic view of the inside of the front surface of a U-shaped outer cylinder of the waterproof joint of the digital electronic detonator.
Fig. 5 is a schematic diagram of a waterproof inner plug of the waterproof joint of the digital electronic detonator.
Fig. 6 is a schematic diagram of a priming circuit of the waterproof joint of the digital electronic detonator.
Labeled as: the digital electronic detonator exploder comprises a digital electronic detonator exploder 1, an electric wire 2 connected between U-shaped cylinders, an L-shaped bayonet 3, a clamping wing 4, a waterproof inner plug 5, a waterproof inner plug rotating handle 6, a digital electronic detonator 7, a digital electronic detonator pin wire 8, a U-shaped cylinder 9, an inner contact piece 10, an outer contact piece 11, a U-shaped cylinder wire inlet hole 12, an outer tongue spring 13, an inner tongue spring 14, an O-shaped rubber ring 15 expanding in water, an O-shaped rubber ring mounting groove 16, a waterproof inner plug pin wire hole 17, a compressed air cavity 18 and an explosion main wire 19.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
It should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" in the description of the present invention are to be construed broadly, and may be, for example, fixedly, detachably, or integrally, mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 6, the digital electronic detonator waterproof joint according to the present invention comprises a U-shaped barrel 9, a U-shaped inter-barrel connection electric wire 2, an L-shaped bayonet 3, a waterproof inner plug 5, a digital electronic detonator 7, a digital electronic detonator leg wire 8, a water-swellable O-shaped rubber ring 15, an inner tongue spring 13, an outer tongue spring 14, an inner contact piece 10, an outer contact piece 11, a digital electronic detonator initiator 1 and a detonation main wire 20, and the specific structure and connection relationship of the components are as follows:
the connecting wire 2 between the U-shaped cylinders passes through the wire inlet hole 12 of the U-shaped cylinder and is connected to the inner contact piece 10 and the outer contact piece 11 of the U-shaped cylinder in parallel to form a string of beads; the upper part and the lower part of the U-shaped cylinder 9 are respectively provided with a left L-shaped bayonet 3 and a right L-shaped bayonet 3, and the waterproof inner plug 5 is provided with an inner tongue spring 13 and an outer tongue spring 14; digital electronic detonator 7 pass through waterproof interior stopper pin hole 17 through digital electronic detonator leg wire 8 and connect respectively including on reed 13, outer reed 14, 5 front ends of waterproof interior stopper are equipped with twice O type rubber ring mounting grooves 16, meet water inflation's O type rubber ring 15 and install in O type rubber ring mounting groove 16, meet water inflation's O type rubber ring 15 and be interference fit with U type barrel 9, waterproof interior stopper 5 has convex card wing 4 about two, card wing 4 is connected with L type bayonet socket 3 cooperation. The tail end wire head of the electric wire is connected between the U-shaped cylinders and is connected with the digital electronic detonator initiator 1 through a main wire 19.
The U-shaped cylinder wire inlet hole 12 and the waterproof inner pin wire hole 17 are plugged by adhesive.
When the explosion-proof device is used, the waterproof inner plug 5 is pressed into the cavity of the U-shaped cylinder 9 by force, the air in the compression cavity 18 is sealed by the O-shaped rubber ring 15 which expands when encountering water, the corner of the L-shaped bayonet 3 is pressed, the rotating handle 6 of the waterproof inner plug is rotated, the clamping wings 4 are clamped on the L-shaped bayonet 3, the tail end of the connecting electric wire 2 between the U-shaped cylinders is connected with the explosion main wire 19, and the main wire 19 is connected with the digital electronic detonator initiator 1.
Example 2
The embodiment is a method for using the waterproof joint of the digital electronic detonator, which comprises the following steps:
(1) drilling a blast hole into underwater rock on a drilling and blasting ship through a sleeve;
(2) bundling the explosive cartridges designed for blasting on bamboo chips, inserting the digital electronic detonators 7 with the waterproof inner plugs 5 and the waterproof inner plug pin holes 17 into the explosive cartridges, and bundling and fixing the explosive cartridges;
(3) loading the processed explosive and the digital electronic detonator 7 together into the bottom of the blasting hole from the sleeve, and filling the rest drilling and blasting holes with coarse sand;
(4) after all the drilled holes are drilled, forcibly pressing the U-shaped cylinder 9 into the compressed air cavity 18 by the waterproof inner plugs 5 one by one to press the U-shaped cylinder into the corner of the L-shaped bayonet 3, rotating the rotating handle 6 of the waterproof inner plug, and clamping the clamping wings 4 on the L-shaped bayonet 3;
(5) checking the contact conditions of the digital electronic detonator 7, the inner reed 13 and the outer reed 14 with the inner contact piece 10 and the outer contact piece 11;
(6) and after the inspection is qualified, the main line 19 is connected, the ship is moved for warning, and then the digital electronic detonator initiator 1 is connected to initiate the broken rocks.
Claims (8)
1. The utility model provides a digital electronic detonator water joint, constitutes the component and includes that U type barrel, U type barrel connect electric wire, L type bayonet socket, waterproof inner plug, digital electronic detonator leg wire, meet water inflation's O type rubber circle, interior tongue spring, outer tongue spring, interior contact, outer contact, digital electronic detonator exploder and detonation mainline, its characterized in that, the concrete structure and the relation of connection of component are:
the digital electronic detonator is characterized in that the U-shaped cylinders are connected with electric wires in parallel to form a string bead shape through connection between the U-shaped cylinders, the electric wires are connected with the inner contact piece and the outer contact piece through connection between the U-shaped cylinders, two L-shaped bayonets are arranged on the upper portion and the lower portion of each U-shaped cylinder respectively, the waterproof inner plug is provided with an inner tongue and an outer tongue, the digital electronic detonator is connected with the inner tongue and the outer tongue through the digital electronic detonator leg wires penetrating through the waterproof inner plug leg wire holes respectively, the front end of the waterproof inner plug is provided with an O-shaped rubber ring mounting groove, the O-shaped rubber ring expanding in water is mounted in the O-shaped rubber ring mounting groove, the O-shaped rubber ring expanding in water is in interference fit with the U-shaped cylinders, the tail ends of the electric wires connected between the U-shaped cylinders are connected with an initiation main wire, and the initiation main wire is connected with the digital electronic detonator initiator.
2. The waterproof joint of the digital electronic detonator of claim 1 wherein the waterproof inner plug has two snap wings protruding up and down, the snap wings being in mating connection with the L-shaped bayonet.
3. The waterproof joint for the digital electronic detonators of claim 1 wherein the wire inlets of the U-shaped barrel and the waterproof inner plug and the wire are blocked and waterproof by an adhesive.
4. The waterproof joint of the digital electronic detonator of claim 1 wherein the inner contact and the outer contact are arranged at the bottom of the U-shaped cylinder, and the inside of the cylinder is smooth and has no unevenness.
5. The waterproof joint of the digital electronic detonator according to claim 1, wherein the waterproof inner plug is pressed into the waterproof U-shaped outer cylinder body by applying force and is firmly clamped by the L-shaped bayonet, and a compressed air cavity is arranged between the waterproof inner plug and the waterproof U-shaped cylinder body.
6. The waterproof joint of the digital electronic detonator of claim 1 wherein the wire between the U-shaped cylinders is a waterproof wire with an inner layer of glue and an outer layer of glue.
7. The waterproof joint of the digital electronic detonator of claim 1 wherein the material of the U-shaped outer cylinder and the waterproof inner plug is high-strength plastic.
8. The use method of the waterproof joint of the digital electronic detonator according to claim 1, characterized by comprising the steps of:
(1) drilling a blast hole into underwater rock on a drilling and blasting ship through a sleeve;
(2) binding the explosive cartridge designed for blasting on the bamboo chips, inserting the digital electronic detonator with the waterproof inner plug and the digital electronic detonator leg wire into the explosive cartridge, and binding and fixing;
(3) loading the processed explosive and the digital electronic detonator together into the bottom of the blasting hole from the sleeve, and filling the rest drilling and blasting holes with coarse sand;
(4) after all the drill holes are drilled, forcibly pressing the waterproof inner plugs into the U-shaped barrel, compressing air in the air cavity, enabling the clamping wings to reach the corners of the L-shaped bayonets, and rotating the rotating handle of the waterproof inner plugs to clamp the clamping wings on the L-shaped bayonets;
(5) checking the contact conditions of the digital electronic detonator, the inner reed and the outer reed with the inner contact piece and the outer contact piece;
(6) and after the inspection is finished, connecting a main line, moving the ship to warn, and then connecting a digital electronic detonator initiator to initiate and break the rock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110603477.9A CN113154968B (en) | 2021-05-31 | 2021-05-31 | Waterproof connector of digital electronic detonator and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110603477.9A CN113154968B (en) | 2021-05-31 | 2021-05-31 | Waterproof connector of digital electronic detonator and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113154968A true CN113154968A (en) | 2021-07-23 |
| CN113154968B CN113154968B (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110603477.9A Active CN113154968B (en) | 2021-05-31 | 2021-05-31 | Waterproof connector of digital electronic detonator and application method thereof |
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| Country | Link |
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| CN (1) | CN113154968B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB202416A (en) * | 1922-05-19 | 1923-08-20 | V L Oil Processes Ltd | Improvements in or relating to electric primers and vent sealing tubes |
| CN1077776A (en) * | 1992-04-18 | 1993-10-27 | 淮南矿业学院 | Non-electric detonating system for coal mine |
| CN2833907Y (en) * | 2005-07-30 | 2006-11-01 | 沈建华 | Waterproof quick wire connector |
| CN205014902U (en) * | 2015-09-07 | 2016-02-03 | 中国电建集团成都勘测设计研究院有限公司 | Drill downthehole deep water blaster |
| CN205561685U (en) * | 2016-03-17 | 2016-09-07 | 苏州安大电子设备有限公司 | Novel electron detonator blast wire |
| CN210142770U (en) * | 2019-07-23 | 2020-03-13 | 中铁二局集团有限公司 | Waterproof quick signal connector |
| CN210533194U (en) * | 2019-09-12 | 2020-05-15 | 东莞市锦兴电子科技有限公司 | Detonator connecting adapter |
| US20200176921A1 (en) * | 2017-11-29 | 2020-06-04 | Omron Corporation | Connector |
| CN214792822U (en) * | 2021-05-31 | 2021-11-19 | 广西新港湾工程有限公司 | Waterproof joint of digital electronic detonator |
-
2021
- 2021-05-31 CN CN202110603477.9A patent/CN113154968B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB202416A (en) * | 1922-05-19 | 1923-08-20 | V L Oil Processes Ltd | Improvements in or relating to electric primers and vent sealing tubes |
| CN1077776A (en) * | 1992-04-18 | 1993-10-27 | 淮南矿业学院 | Non-electric detonating system for coal mine |
| CN2833907Y (en) * | 2005-07-30 | 2006-11-01 | 沈建华 | Waterproof quick wire connector |
| CN205014902U (en) * | 2015-09-07 | 2016-02-03 | 中国电建集团成都勘测设计研究院有限公司 | Drill downthehole deep water blaster |
| CN205561685U (en) * | 2016-03-17 | 2016-09-07 | 苏州安大电子设备有限公司 | Novel electron detonator blast wire |
| US20200176921A1 (en) * | 2017-11-29 | 2020-06-04 | Omron Corporation | Connector |
| CN210142770U (en) * | 2019-07-23 | 2020-03-13 | 中铁二局集团有限公司 | Waterproof quick signal connector |
| CN210533194U (en) * | 2019-09-12 | 2020-05-15 | 东莞市锦兴电子科技有限公司 | Detonator connecting adapter |
| CN214792822U (en) * | 2021-05-31 | 2021-11-19 | 广西新港湾工程有限公司 | Waterproof joint of digital electronic detonator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113154968B (en) | 2023-07-28 |
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