Device for testing anti-explosion performance and shock wave pressure of underwater electronic detonator

Abstract

The utility model relates to an anti-explosion performance and shock wave pressure testing device for an underwater electronic detonator, which belongs to the technical field of electronic detonator testing and comprises a first annular plate and a second annular plate, and electronic detonator shock wave detection mechanisms are arranged on the first annular plate and the second annular plate. The electronic detonator shock wave detection mechanism comprises a first connecting rod which is fixedly mounted between the opposite side surfaces of the first annular plate and the second annular plate. According to the anti-explosion performance and shock wave pressure testing device for the underwater electronic detonator, a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod are arranged on a first annular plate and a second annular plate, and the distances between the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod and the circle center of the first annular plate and the circle center of the second annular plate are gradually increased; sensors are arranged on the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, explosive shock waves of the electronic detonator can be detected in different ranges through the sensors with different distances from the electronic detonator, and the detection effect is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic detonator testing, in particular to a device for testing the anti-explosion performance and shock wave pressure of underwater electronic detonators. Background Art

[0002] Electronic detonator is a device used to detonate explosives. It is widely used in mining, construction, military and other fields that require controlled explosions. Compared with traditional gunpowder detonators, electronic detonators have higher safety, reliability and accuracy.

[0003] Publication No. CN113834392B discloses a device for testing the underwater explosion power of electronic detonators based on water shock wave signals. During testing, the following steps are performed: select an open and safe area of ​​water; assemble the test device, place the electronic detonator and underwater shock wave sensor within a ring frame, and connect the detonation circuit and signal receiving circuit; check the device connections and, after confirming that there are no problems, place the test device in the water; detonate the electronic detonator, collect the water shock wave signal through the sensor, obtain a Pt curve, and obtain parameters such as the peak pressure of the underwater explosion shock wave; and calculate the TNT equivalent value of the tested electronic detonator. The present invention is based on water shock wave signals and is less susceptible to interference from environmental noise, resulting in high test accuracy. The test process is noiseless and environmentally friendly, and the fragments generated by the detonator detonating in water will not fly into the air, posing no threat to nearby personnel. The device is safe and reliable, meeting testing requirements at different water depths.

[0004] The above patent aims to improve the shortcomings of some existing electronic detonator underwater explosion power testing devices and evaluation methods in the prior art, such as complex formulas and experimental devices, which cannot be widely used in engineering sites. However, the technical solution in this patent fixes the distance between the sensor and the electronic detonator, and can only detect the explosive impact force of the electronic detonator at a certain fixed position, resulting in a small detection range and affecting the detection effect. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an underwater electronic detonator anti-explosion performance and shock wave pressure testing device, which has the advantage of good detection effect and solves the problem that the distance between the sensor and the electronic detonator on the electronic detonator underwater explosion power testing device in the existing technology is fixed, and the explosion impact force of the electronic detonator can only be detected at a certain fixed position, resulting in a small detection range and affecting the detection effect.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: an underwater electronic detonator anti-explosion performance and shock wave pressure testing device, comprising a first annular plate and a second annular plate, wherein the first annular plate and the second annular plate are provided with an electronic detonator shock wave detection mechanism;

[0007] The electronic detonator shock wave detection mechanism includes a first connecting rod fixedly installed between the opposite side surfaces of the first annular plate and the second annular plate, and the side surfaces of the first annular plate and the second annular plate are fixedly installed with a first mounting strip plate, a second strip mounting plate and a third strip mounting plate. The first mounting strip plate, the second mounting strip plate and the third strip mounting plate on the first annular plate correspond to the first mounting strip plate, the second mounting strip plate and the third strip mounting plate on the second annular plate in upper and lower correspondence. A second connecting rod is fixedly installed between the opposite side surfaces of the two corresponding first mounting strip plates, a third connecting rod is fixedly installed between the opposite side surfaces of the two corresponding second strip mounting plates, and a fourth connecting rod is fixedly installed between the opposite side surfaces of the two corresponding third strip mounting plates, and sensors are fixedly installed on the surfaces of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod.

[0008] Furthermore, the length of the first installation strip plate is shorter than the length of the second strip installation plate, and the length of the second strip installation plate is shorter than the length of the third strip installation plate.

[0009] Furthermore, the distance between the second connecting rod and the center of the first annular plate and the second annular plate is smaller than the distance between the third connecting rod and the center of the first annular plate and the second annular plate, and the distance between the third connecting rod and the center of the first annular plate and the second annular plate is smaller than the distance between the fourth connecting rod and the center of the first annular plate and the second annular plate.

[0010] Furthermore, the number of the first mounting strip plates, the second strip mounting plates and the third strip mounting plates on the surfaces of the first annular plate and the second annular plate are both two, and the two first mounting strip plates, the second strip mounting plates and the third strip mounting plates are symmetrically distributed on the surfaces of the first annular plate and the second annular plate.

[0011] Furthermore, a transverse plate is fixedly mounted on the inner surface of the first annular plate, and a detonator fixing rod is fixedly mounted on the lower surface of the transverse plate.

[0012] Furthermore, a connecting plate is fixedly installed on the upper surface of the horizontal plate, and a lifting hole is opened on the surface of the connecting plate.

[0013] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0014] The device for testing the explosion resistance and shock wave pressure of an underwater electronic detonator comprises a first connecting rod, a second connecting rod, a third connecting rod, and a fourth connecting rod, which are arranged on a first annular plate and a second annular plate at increasing distances from the center of the first annular plate and the second annular plate; and sensors are arranged on the first connecting rod, the second connecting rod, the third connecting rod, and the fourth connecting rod. The device can detect the explosion shock wave of the electronic detonator within different ranges through sensors at different distances from the electronic detonator, thereby greatly improving the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the first annular plate of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the second annular plate of the utility model structure;

[0017] Figure 3 This is a schematic diagram of the connection between the first annular plate and the second annular plate of the utility model structure;

[0018] Figure 4 This is a schematic diagram of the horizontal plate structure of the utility model.

[0019] In the figure: 1. First annular plate; 2. Second annular plate; 3. First connecting rod; 4. First mounting strip plate; 5. Second strip mounting plate; 6. Third strip mounting plate; 7. Second connecting rod; 8. Third connecting rod; 9. Fourth connecting rod; 10. Sensor; 11. Horizontal plate; 12. Detonator fixing rod; 13. Connecting plate; 14. Lifting hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1 to 4In this embodiment, an underwater electronic detonator explosion resistance and shock wave pressure testing device includes a first annular plate 1 and a second annular plate 2. The first annular plate 1 and the second annular plate 2 are provided with an electronic detonator shock wave detection mechanism. The electronic detonator shock wave detection mechanism includes a first connecting rod 3 fixedly mounted between opposite side surfaces of the first annular plate 1 and the second annular plate 2. A first mounting strip plate 4, a second mounting strip plate 5, and a third mounting strip plate 6 are fixedly mounted on the side surfaces of the first annular plate 1 and the second annular plate 2. The length of the first mounting strip plate 4 is shorter than the length of the second mounting strip plate 5, and the length of the second mounting strip plate 5 is shorter than the length of the third mounting strip plate 6. The first mounting strip plate 4, the second mounting strip plate 5 and the third mounting strip plate 6 on the first annular plate 1 correspond to the first mounting strip plate 4, the second mounting strip plate 5 and the third mounting strip plate 6 on the second annular plate 2 up and down. A second connecting rod 7 is fixedly installed between the opposite side surfaces of the two corresponding first mounting strip plates 4 up and down, a third connecting rod 8 is fixedly installed between the opposite side surfaces of the two corresponding second mounting strip plates 5 up and down, a fourth connecting rod 9 is fixedly installed between the opposite side surfaces of the two corresponding third mounting strip plates 6 up and down, and sensors 10 are fixedly installed on the surfaces of the first connecting rod 3, the second connecting rod 7, the third connecting rod 8 and the fourth connecting rod 9.

[0022] The distance between the second connecting rod 7 and the center of the first annular plate 1 and the second annular plate 2 is smaller than the distance between the third connecting rod 8 and the center of the first annular plate 1 and the second annular plate 2, and the distance between the third connecting rod 8 and the center of the first annular plate 1 and the second annular plate 2 is smaller than the distance between the fourth connecting rod 9 and the center of the first annular plate 1 and the second annular plate 2.

[0023] The number of the first mounting strip plates 4, the second strip mounting plates 5 and the third strip mounting plates 6 on the surfaces of the first annular plate 1 and the second annular plate 2 are both two, and the two first mounting strip plates 4, the second strip mounting plates 5 and the third strip mounting plates 6 are symmetrically distributed on the surfaces of the first annular plate 1 and the second annular plate 2.

[0024] A transverse plate 11 is fixedly mounted on the inner surface of the first annular plate 1 , a detonator fixing rod 12 is fixedly mounted on the lower surface of the transverse plate 11 , a connecting plate 13 is fixedly mounted on the upper surface of the transverse plate 11 , and a lifting hole 14 is opened on the surface of the connecting plate 13 .

[0025] It should be noted that the detonator fixing rod 12 in this embodiment is located at the center of the first annular plate 1 and the second annular plate 2 .

[0026] It should be noted that the sensor 10 in this embodiment is a piezoelectric shock wave sensor, which utilizes the characteristic of piezoelectric materials generating voltage when subjected to mechanical stress. When the shock wave reaches the sensor, the piezoelectric material will deform and generate an electrical signal proportional to the shock wave intensity.

[0027] The working principle of the above embodiment is:

[0028] When in use, the electronic detonator is fixed on the detonator fixing rod 12, the device is connected to the rope through the connecting plate 13 and the lifting hole 14, and then sunk into the water. When the detonator explodes, the sensors 10 on the first connecting rod 3, the second connecting rod 7, the third connecting rod 8 and the fourth connecting rod 9 can detect the explosion shock wave of the detonator at multiple distances.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for testing the explosion resistance and shock wave pressure of underwater electronic detonators, comprising a first annular plate (1) and a second annular plate (2), characterized in that: The first annular plate (1) and the second annular plate (2) are provided with an electronic detonator shock wave detection mechanism; The electronic detonator shock wave detection mechanism comprises a first connecting rod (3) fixedly mounted between opposite side surfaces of a first annular plate (1) and a second annular plate (2); a first mounting strip plate (4), a second strip mounting plate (5) and a third strip mounting plate (6) are fixedly mounted on the side surfaces of the first annular plate (1) and the second annular plate (2); the first mounting strip plate (4), the second strip mounting plate (5) and the third strip mounting plate (6) on the first annular plate (1) are connected to the first mounting strip plate (4), the second strip mounting plate (5) on the second annular plate (2) A second connecting rod (7) is fixedly mounted between the surfaces of the two first mounting strip plates (4) corresponding to each other, and the surfaces of the two second mounting strip plates (5) corresponding to each other are fixedly mounted. A fourth connecting rod (9) is fixedly mounted between the surfaces of the two third mounting strip plates (6) corresponding to each other, and sensors (10) are fixedly mounted on the surfaces of the first connecting rod (3), the second connecting rod (7), the third connecting rod (8) and the fourth connecting rod (9).

2. The underwater electronic detonator explosion resistance and shock wave pressure testing device according to claim 1, characterized in that: The length of the first strip-shaped mounting plate (4) is shorter than the length of the second strip-shaped mounting plate (5), and the length of the second strip-shaped mounting plate (5) is shorter than the length of the third strip-shaped mounting plate (6).

3. The underwater electronic detonator explosion resistance and shock wave pressure testing device according to claim 1, characterized in that: The distance between the second connecting rod (7) and the center of the first annular plate (1) and the second annular plate (2) is smaller than the distance between the third connecting rod (8) and the center of the first annular plate (1) and the second annular plate (2), and the distance between the third connecting rod (8) and the center of the first annular plate (1) and the second annular plate (2) is smaller than the distance between the fourth connecting rod (9) and the center of the first annular plate (1) and the second annular plate (2).

4. The underwater electronic detonator explosion resistance and shock wave pressure testing device according to claim 1, characterized in that: The number of the first mounting strip plates (4), the second mounting strip plates (5) and the third mounting strip plates (6) on the surfaces of the first annular plate (1) and the second annular plate (2) is two each, and the two first mounting strip plates (4), the second mounting strip plates (5) and the third mounting strip plates (6) are symmetrically distributed on the surfaces of the first annular plate (1) and the second annular plate (2).

5. The underwater electronic detonator explosion resistance and shock wave pressure testing device according to claim 1, characterized in that: A transverse plate (11) is fixedly mounted on the inner surface of the first annular plate (1), and a detonator fixing rod (12) is fixedly mounted on the lower surface of the transverse plate (11).

6. The underwater electronic detonator explosion resistance and shock wave pressure testing device according to claim 5, characterized in that: A connecting plate (13) is fixedly mounted on the upper surface of the transverse plate (11), and a lifting hole (14) is provided on the surface of the connecting plate (13).

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