CN217236634U

CN217236634U - Anti-vibration and anti-impact performance simulation test device for electronic detonator

Info

Publication number: CN217236634U
Application number: CN202221186921.8U
Authority: CN
Inventors: 刘庆; 冷振东; 郝亚飞; 陈文基; 谭翠平; 汪万红; 刘晋玮
Original assignee: China Gezhouba Group Yipuli Co ltd
Current assignee: China Gezhouba Group Yipuli Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-19
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a device for simulating and testing the shock resistance and impact resistance of an electronic detonator, which comprises a test body made of blasting environment rocks or simulated blasting environment rocks; the same surface of the test body is provided with a plurality of detonator setting holes, the plurality of detonator setting holes consist of test holes and tested holes, the diameter of the test holes is the same as that of the tested holes, the tested holes are deeper than the test holes by a set value, and the distance between the adjacent test holes and the tested holes is larger than the sympathetic detonation distance of the tested detonators; the test holes and the tested holes are arranged on the same row and are arranged in a staggered mode; alternatively, the test holes and the holes to be tested are arranged on two adjacent rows, respectively. The beneficial effects of the utility model are that, having simulated the on-the-spot blasting environment, fungible field test has improved the convenience of electron detonator anti vibration shock resistance test to the accessible changes the hole interval and obtains abundant test data, can make clear of performance index, can indicate the improvement direction for the product improvement.

Description

Electronic detonator anti-vibration and anti-impact performance simulation test device

Technical Field

The utility model relates to an electron detonator anti vibration shock resistance test technique, especially an electron detonator anti vibration shock resistance simulation test device.

Background

With the continuous development and maturity of the electronic detonator technology, the superiority of the electronic detonator is more and more widely accepted. With the rapid popularization and application of the electronic detonator, the blasting environment is more and more complex, and the applicability and reliability of the electronic detonator product become the most core competitive weapon in the market. At present, the design and production of the electronic detonator are basically carried out according to the industrial standard, and the product produced according to the standard can better meet the application in domestic common open blasting from the practical application condition. However, in small-section blasting such as tunnel, hard rock, underground mining and tunneling, the electronic detonator has higher anti-detonation rate under the action of strong vibration and impact, and the application of the electronic detonator in the environment is seriously influenced. Therefore, the vibration and impact resistance of the electronic detonator is an important index for application to the aforementioned environments. However, because the prior art lacks a vibration-resistant and impact-resistant testing means for simulating the blasting environment by the electronic detonator, the related tests can be usually only carried out on the blasting construction site, a large amount of time is consumed, and the hidden danger of influencing the engineering progress exists. Therefore, a set of electronic detonator vibration resistance simulation test device meeting requirements of electronic detonator production enterprises and blasting construction enterprises is urgently needed to be developed so as to improve test convenience, implement vibration resistance and impact resistance detection on electronic detonator products by accurately simulating blasting environments, obtain reliable performance test data, clarify performance indexes and indicate improvement directions for product improvement.

Disclosure of Invention

The utility model aims at providing an inconvenient not enough of electronic detonator anti vibration shock resistance test among the prior art, provide an electronic detonator anti vibration shock resistance simulation testing arrangement, the device is through setting up single row or multirow simulation big gun hole on the test body of simulation scene rock nature, with through set up the test detonator in simulation big gun hole or by the test detonator, and when the test detonator explodes, obtain the test data of being surveyed the detonator according to the difference of both hole intervals, the convenience of electronic detonator anti vibration shock resistance test has been improved.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A kind of electronic detonator shake-proof shock resistance simulation test device, including blasting the test body that the environmental rock or simulation blasting environmental rock made; the same surface of the test body is provided with a plurality of detonator setting holes, the plurality of detonator setting holes consist of test holes and tested holes, the bore diameters of the test holes and the tested holes are the same, and the tested holes are deeper than the set value of the test holes; the test holes and the tested holes are arranged on the same row and are arranged in a staggered mode; or the test holes and the tested holes are respectively arranged on two adjacent rows, and the tested hole in one row is positioned in the middle of the two rows of test holes.

By adopting the testing device of the scheme, the nature of rock on the blasting site is simulated by the testing body made of blasting environmental rock, the testing hole and the tested hole are arranged on the testing body in an adjacent mode, the testing detonator is arranged in the testing hole, and after the tested detonator is arranged in the tested hole, the anti-vibration and anti-impact performance of the tested detonator is tested by the explosion of the testing detonator under the condition that the tested detonator is not subjected to sympathetic explosion. The test device simulates the blasting field environment, can replace the field blasting test, and improves the convenience of the test of the shock resistance and the shock resistance of the electronic detonator. And abundant performance test data can be obtained by changing the hole spacing, performance indexes can be determined, and an improvement direction can be indicated for product improvement. The hole diameters of the test hole and the tested hole can be designed according to single or multiple detonators so as to meet the test requirements of single-detonator independent test and multiple-detonator simultaneous test; in addition, the depth of the tested hole is deeper than that of the test hole, so that the impact energy generated by explosion of the test detonator is closer to the fragile part of the upper half part of the tested detonator, and the electronic ignition element is formed by the electronic control module and the ignition structure, so that the reliability of the test result is improved from another aspect.

Preferably, the set value of the depth of the tested hole to the depth of the test hole is the charging length of the basic detonator of the tested detonator. So as to detect the tested detonator with the basic detonator, ensure that the test condition is matched with the use condition and ensure the accuracy of the test result. When the length of the corresponding basic detonator is 25mm, the depth of the tested hole is 25mm greater than that of the testing hole, and when the length of the corresponding basic detonator is 30mm, the depth of the tested hole is 30mm greater than that of the testing hole.

Preferably, the diameter of the detonator setting hole is 1.2-1.5 times of the outer diameter of the corresponding electronic detonator. The test method is suitable for single detonator individual test.

Preferably, in a structure in which the test holes and the holes to be tested are arranged in the same row, the plurality of detonator setting holes are arranged at equal intervals, and the test holes are arranged at both ends of the same row; the distance between the detonator setting hole and the corresponding edge is larger than or equal to the hole distance. When an accident occurs, the relatively serious safety result caused by the explosion of the tested detonator with the basic detonator is avoided, and the safety of the testing process is ensured; the distance between the detonator setting hole and the corresponding edge is larger than the hole distance, so that the edge of the test body can be prevented from being cracked and damaged in the test process, and the reliability of the test result is ensured.

Preferably, in a structure in which the test holes and the holes to be tested are respectively arranged in two adjacent rows, the plurality of detonator setting holes are arranged in a horizontal, flat and vertical groined shape, and the distance from the center of the detonator setting hole at the edge to the corresponding edge is greater than or equal to the corresponding hole interval or row interval. The processing of detonator setting holes and the comparison management of test data are facilitated, the distance from the center of the detonator setting hole at the edge to the corresponding edge is larger than or equal to the corresponding hole interval or row interval, the edge of a test body can be prevented from being cracked and damaged in the test process, and the reliability of a test result is ensured.

Further preferably, the test body is of a smooth hexahedral structure, and the detonator setting hole extends in the thickness direction of the hexahedron. The whole hexahedron structure is convenient to form firm installation and fixation, and the convenience of test operation is improved.

The utility model has the advantages that the blasting site environment is simulated, the on-site blasting test can be replaced, and the convenience of the anti-vibration and anti-impact performance test of the electronic detonator is improved; abundant test data can be obtained by changing the hole spacing, performance indexes can be determined, and improvement directions can be indicated for product improvement.

Drawings

Fig. 1 is a schematic front view of the structure of embodiment 1 of the present invention.

Fig. 2 is a schematic cross-sectional view of embodiment 1 of the present invention.

Fig. 3 is a schematic front view of embodiment 2 of the present invention.

Fig. 4 is a schematic cross-sectional view of embodiment 2 of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, which are not intended to limit the scope of the embodiments described herein.

Embodiment 1, refer to fig. 1, fig. 2, a vibration resistance and impact resistance simulation test device for an electronic detonator, comprising a test body made of blasting environment rock or simulated blasting environment rock; a plurality of detonator setting holes are formed in the same surface of the test body, and each detonator setting hole consists of a test hole 1 and a tested hole 2; the test holes 1 and the tested holes 2 are arranged on the same row and are arranged in a staggered mode; the aperture of the test hole 1 is the same as that of the tested hole 2, the tested hole 2 is deeper than the test hole 1 by the charging length of the basic detonator of the tested detonator, and the distance between the adjacent test hole 1 and the tested hole 2 is greater than the sympathetic detonation distance of the tested detonator.

Wherein, a plurality of detonator setting holes are arranged according to equidistant, and the both ends of same row all arrange test hole 1. The test body is the hexahedron structure of finishing, specifically is the cuboid, and the detonator sets up the hole and distributes along length direction to extend along thickness direction, and the distance X1 that the detonator set up hole center apart from width direction both sides face is more than or equal to hole interval B, and the distance that is located the test hole 1 center at length direction both ends to corresponding terminal surface B1 is more than or equal to hole interval B that corresponds.

In embodiment 2, referring to fig. 3 and 4, the test holes 1 and the holes to be tested 2 are respectively arranged in two adjacent rows, the detonator setting holes are arranged in a horizontal, flat and vertical # -shape, and the distance from the center of the detonator setting hole at the edge to the corresponding edge is greater than the corresponding hole interval or row interval; specifically, three rows of detonator setting holes are arranged in the width direction of a cuboid test body, wherein one row is a tested hole 2 in the middle, two rows on two sides are test holes 1, namely, one tested hole 2 corresponds to the middle of every two test holes 1, and three detonator setting holes form one row. The distances X2 between the centers and the width edges of the two test holes 1 in the same column are both larger than or equal to the row spacing X between the test holes 1 and the tested holes 2; the distance B2 between the centers of the three detonator setting holes in the same row at the two ends of the test body in the length direction and the corresponding end edge is greater than or equal to the hole spacing B between the adjacent holes of the detonator setting holes in the same row.

The rest of the structure of this embodiment is the same as embodiment 1, and is not described herein again.

In the

foregoing embodiments

1 and 2, the apertures of the testing hole 1 and the tested hole 2 can be designed according to a single detonator or a multiple detonator, and when the testing hole 1 and the tested hole 2 are designed according to a single detonator, the apertures are 1.2 to 1.5 times the outer diameter of the tested detonator.

In the preceding examples 1 and 2, the base detonator charge length was typically 25mm or 30 mm.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.

Claims

1. A device for simulating and testing the vibration resistance and the shock resistance of an electronic detonator is characterized by comprising a test body made of blasting environment rock or simulated blasting environment rock; the detonator setting holes are formed in the same surface of the test body and consist of a test hole (1) and a tested hole (2), the diameter of the test hole (1) is the same as that of the tested hole (2), and the tested hole (2) is deeper than the test hole (1) by a set value; the test holes (1) and the tested holes (2) are arranged on the same row and are arranged in a staggered mode; or the test holes (1) and the tested holes (2) are respectively arranged on two adjacent rows, and the tested hole (2) is positioned in the middle of the two rows of test holes (1).

2. The device for simulating and testing the vibration and impact resistance of the electronic detonator as claimed in claim 1, wherein the set value of the depth of the tested hole (2) compared with the depth of the test hole (1) is the charge length of the basic detonator of the tested detonator.

3. The device for simulating and testing the vibration and impact resistance of the electronic detonator as claimed in claim 1, wherein the diameter of the detonator setting hole is 1.2-1.5 times of the outer diameter of the corresponding electronic detonator.

4. The device for simulating and testing the vibration and impact resistance of the electronic detonator according to claim 1, wherein in the structure that the test holes (1) and the tested holes (2) are arranged on the same row, a plurality of detonator setting holes are arranged at equal intervals, and the test holes (1) are arranged at both ends of the same row; the distance between the detonator setting hole and the corresponding edge is larger than or equal to the hole distance.

5. The device for simulating and testing the vibration and impact resistance of the electronic detonator according to claim 1, wherein in the structure that the test holes (1) and the tested holes (2) are respectively arranged on two adjacent rows, the plurality of detonator arranging holes are arranged in a horizontal, flat and vertical # -shaped manner, and the distance from the center of the detonator arranging hole at the edge to the corresponding edge is greater than or equal to the corresponding hole interval or row interval.

6. The device for simulating and testing the vibration and impact resistance of the electronic detonator as claimed in claim 4 or 5, wherein the test body is of a smooth hexahedral structure, and the detonator arranging hole extends in the thickness direction of the hexahedron.