CN208622317U - A kind of explosion internal action crack propagation experimental model device - Google Patents
A kind of explosion internal action crack propagation experimental model device Download PDFInfo
- Publication number
- CN208622317U CN208622317U CN201820520169.3U CN201820520169U CN208622317U CN 208622317 U CN208622317 U CN 208622317U CN 201820520169 U CN201820520169 U CN 201820520169U CN 208622317 U CN208622317 U CN 208622317U
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- China
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- sheet metal
- crack propagation
- detonator
- experimental model
- internal action
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Abstract
The utility model discloses a kind of explosion internal action crack propagation experimental model devices, belong to blasting engineering teaching field.It includes rectangle steel body, bulletproof glass, detonator and initiator, rectangle steel body center is groove, bulletproof glass is placed in the groove, sheet metal is provided with above the bulletproof glass, the quadrangle of the sheet metal is bolted in rectangle steel body, position corresponding with blasthole is equipped with through-hole on the sheet metal, erection device is provided with below sheet metal corresponding with the through-hole, the erection device includes top ring, lower loop and the multiple work ribs being connected between top ring and lower loop；In the detonator setting erection device, and the lead of detonator upper end setting passes through the through-hole on sheet metal, and is connected with initiator.The utility model structure is simple, operation is easy, experiment effect is obvious, safety coefficient is high.
Description
Technical field
The utility model relates to blasting engineering teaching fields, and in particular to a kind of explosion internal action crack propagation experiment mould
Type device.
Background technique
Because of the extensive use of current blasting technique, the teaching requirements that each colleges and universities carry out " blasting engineering " are also increasingly
It is high.It due to the complexity of blasting technique experiment and to the high request of site condition, while being also for the safety problem to student
The considerations of, it is all often to be demonstrated by teacher in teaching, student views and emulates in lower section.Such blasting experiment, student are difficult to
Entire blasting process is contacted, the experimental result of explosion generation can not be observed, finally also indigestion blast action principle, thus is made
The quality of instruction for obtaining entire blasting experiment is not high.
Utility model content
The purpose of this utility model is to provide a kind of explosion internal action crack propagation experimental model devices, existing to solve
The problem of experiment effect for having explosion Students in Teaching that can not observe explosion generation.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of explosion internal action crack propagation experiment
Model equipment comprising rectangle steel body, bulletproof glass, detonator and initiator, rectangle steel body center are groove, are placed in groove
Bulletproof glass is provided with sheet metal above bulletproof glass, and the quadrangle of sheet metal is bolted in rectangle steel body, sheet metal
Upper position corresponding with blasthole is equipped with through-hole, is provided with erection device, erection device below sheet metal corresponding with through-hole
Including top ring, lower loop and the multiple work ribs being connected between top ring and lower loop；Erection device is arranged in detonator
It is interior, and the lead of detonator upper end setting passes through the through-hole on sheet metal, and is connected with initiator.
The utility model, as blasting experiment carrier, blasting process is modeled using bulletproof glass, is used for simulation rock
Blasting rock-broken process and the course of cracks forming can intuitively show the shattering process of brittleness medium after explosion.Be conducive to
Student understands the blast mechanism of reconditeness, compensates for " blasting engineering " experimental teaching project borehole blasting technology experiment shortage not
Foot.
Preferably, shock absorption strip is provided with around the outer wall of the rectangle steel body.It can play the role of bumper and absorbing shock.
Preferably, cushion and concrete slab are disposed with below the rectangle steel body.Bumper and absorbing shock can be played
Effect is both that can reduce operation ground to cause to damage.
Preferably, it is corresponded on the bulletproof glass and offers blasthole on the position of erection device.
Preferably, the erection device includes including top ring, lower loop and being connected between top ring and lower loop
Multiple work ribs.It can ensure that detonator is in plumbness, not run-off the straight.
Preferably, the lower loop includes outer ring, spring and pressure ring, and the pressure ring is arranged in outer ring by spring
Side.The fastening of detonator can be compressed, not moved.
Preferably, the top ring, work rib, outer ring and pressure ring are steel plate material.
Preferably, the detonator is instant electric detonator.
Preferably, diaphragm seal is provided on the through-hole, the lead passes through the diaphragm seal.Device can be made closed, kept away
Exempt from explosion generation fragment and injures people.
The utility model has the following beneficial effects:
1. the utility model structure is simple, operation is easy, experiment effect is obvious, safety coefficient is high.
2. experiment is novel to use erection device, detonator righting can be stepped up, so that detonator is in plumbness, do not incline
Tiltedly.
3. the utility model uses cushion and concrete slab, energy bumper and absorbing shock reduces operation ground and causes to damage.
4. the utility model uses diaphragm seal, keep device closed, avoids explosion from generating fragment and injure people, it is highly-safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of the utility model；
Fig. 3 is the structural schematic diagram of the erection device of the utility model；
Fig. 4 is the structural schematic diagram of the lower loop of the utility model；Fig. 5 is to make inside the explosion of the utility model embodiment
With crack propagation effect picture.
In figure: 1- rectangle steel body；2- bulletproof glass；3- blasthole；4- sheet metal；5- detonator；6- lead；7- initiator；8-
Shock absorption strip；9- cushion；10- concrete slab；11- diaphragm seal；12- top ring；13- lower loop；14- work rib；Outside 15-
Ring；16- spring；17- pressure ring.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment
As shown in Figs 1-4, the explosion internal action crack propagation experimental model device of the utility model embodiment comprising
Rectangle steel body 1, bulletproof glass 2, detonator 5 and initiator 7.Shock absorption strip 8 is provided with around 1 outer wall of rectangle steel body, and lower section is successively
It is provided with cushion 9 and concrete slab 10.1 center of rectangle steel body is groove, is placed with bulletproof glass 2 in groove.Preferably exist
Blasthole 3 is offered on bulletproof glass 2, the top of bulletproof glass 2 is provided with sheet metal 4, and the quadrangle of sheet metal 4 is bolted
In rectangle steel body 1.The position that blasthole 3 is corresponded on sheet metal 4 offers through-hole, and in the lower section of sheet metal 4 and the through-hole pair
Erection device should be provided with.Erection device include top ring 12, lower loop 13 and be connected to top ring 12 and lower loop 13 it
Between multiple work ribs 14.Top ring 12 and sheet metal 4 are integrally formed.Lower loop 13 includes outer ring 15, spring 16 and pressure ring
17, pressure ring 17 is inner ring, and the inside of outer ring 15 is arranged in by spring 16 for pressure ring 17.The lower end of outer ring 15 and work rib 14
Connection.Top ring 12, work rib 14, lower loop 13 material be steel plate.Detonator 5 is arranged in blasthole 3, and detonator 5 uses 8#
Instant electric detonator.Detonator 5 passes through erection device, and it is fixed by pressure ring 17 and spring 16 in the lower end of detonator 5, detonator 5 it is upper
End is provided with lead 6, and lead 6 passes through the diaphragm seal 11 on the through-hole on sheet metal 4, with 7 phase of initiator outside rectangle steel body 1
Even.
When bulletproof glass 2 does not open up blasthole 3, detonator 5 is arranged in erection device, is stepped up by lower loop 13 to it solid
Fixed, the bottom of detonator 5 is in contact with bulletproof glass 2.
When experimental implementation, start initiator 7, the explosion internal action crackle of bulletproof glass 2 can be obtained, such as in detonating primer 5
Shown in Fig. 5.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of explosion internal action crack propagation experimental model device, which is characterized in that including rectangle steel body (1), shellproof glass
Glass (2), detonator (5) and initiator (7), rectangle steel body (1) center are groove, are placed with bulletproof glass in the groove
(2), it is provided with sheet metal (4) above the bulletproof glass (2), the quadrangle of the sheet metal (4) is bolted in rectangle
In steel body (1), the sheet metal (4) is equipped with through-hole, is provided with righting below sheet metal (4) corresponding with the through-hole
Device, the erection device include top ring (12), lower loop (13) and be connected to top ring (12) and lower loop (13) it
Between multiple work ribs (14)；The detonator (5) is arranged in erection device, and the lead of the detonator (5) upper end setting
(6) through-hole on sheet metal (4) is passed through, and is connected with initiator (7).
2. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
Shock absorption strip (8) are provided with around the outer wall of rectangle steel body (1).
3. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
Cushion (9) and concrete slab (10) are disposed with below rectangle steel body (1).
4. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
Blasthole (3) are offered on the position of the corresponding erection device of bulletproof glass (2).
5. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
Lower loop (13) includes outer ring (15), spring (16) and pressure ring (17), and the pressure ring (17) is arranged by spring (16) in outer ring
(15) inside, the outer ring (15) connect with the lower end of work rib (14).
6. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
Top ring (12), work rib (14) and lower loop (13) are steel plate material.
7. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
Detonator (5) is instant electric detonator.
8. a kind of explosion internal action crack propagation experimental model device according to claim 1, which is characterized in that described
It is provided on through-hole diaphragm seal (11), the lead (6) passes through the diaphragm seal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520169.3U CN208622317U (en) | 2018-04-12 | 2018-04-12 | A kind of explosion internal action crack propagation experimental model device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520169.3U CN208622317U (en) | 2018-04-12 | 2018-04-12 | A kind of explosion internal action crack propagation experimental model device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622317U true CN208622317U (en) | 2019-03-19 |
Family
ID=65699658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520169.3U Expired - Fee Related CN208622317U (en) | 2018-04-12 | 2018-04-12 | A kind of explosion internal action crack propagation experimental model device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208622317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880496A (en) * | 2021-01-20 | 2021-06-01 | 中国矿业大学(北京) | Test piece structure and method for researching crack propagation rule driven by water coupling blasting |
| CN114894419A (en) * | 2022-03-29 | 2022-08-12 | 哈尔滨工程大学 | Experimental device for simulating underwater contact explosion high-speed fragment load |
-
2018
- 2018-04-12 CN CN201820520169.3U patent/CN208622317U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880496A (en) * | 2021-01-20 | 2021-06-01 | 中国矿业大学(北京) | Test piece structure and method for researching crack propagation rule driven by water coupling blasting |
| CN114894419A (en) * | 2022-03-29 | 2022-08-12 | 哈尔滨工程大学 | Experimental device for simulating underwater contact explosion high-speed fragment load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20210412 |