CN207797901U - A kind of EVA plug for boreholes - Google Patents
A kind of EVA plug for boreholes Download PDFInfo
- Publication number
- CN207797901U CN207797901U CN201820200147.9U CN201820200147U CN207797901U CN 207797901 U CN207797901 U CN 207797901U CN 201820200147 U CN201820200147 U CN 201820200147U CN 207797901 U CN207797901 U CN 207797901U
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- China
- Prior art keywords
- plug
- eva
- borehole
- fixing bracket
- compatible
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Abstract
The utility model is related to a kind of EVA plug for boreholes, it includes plug for borehole ontology, the plug for borehole ontology is arranged for cylindrical structure, and its upper and lower ends is both provided with guiding chamfering, plug for borehole ontology includes compatible plug shell and fixing bracket, plug shell is made of flexible flame retardant EVA, it fills in and is provided with rack ventilating hole compatible with fixing bracket at the center of shell, the H-shaped structure setting of fixing bracket, and the sink of receiving of rectangle is provided at fixing bracket center, it receives and is provided with matched water bag in sink.The EVA plug for boreholes it is simple and reasonable, convenient for fixing, reduce Blasting dust, it is of low cost, it is practical simple, block that effect is good, and capacity usage ratio is high.
Description
Technical field
The utility model is related to explosive technical fields, and in particular to a kind of EVA plug for boreholes.
Background technology
It is not clogged or not after at present in the tunnellings such as China tunnel, all kinds of roadways construction in the prevalence of blast hole projectile filling
The image of attention is given, not only demolition effect is poor in this way, and explosive energy is caused to waste, and quick-fried rear platform is difficult, makees for subsequent cycle
Industry brings many troubles, and the reason of affecting project progress, increasing engineering cost, cause this consequence one is unit in charge of construction pair
The meaning and its understanding of importance of blast hole stemming are inadequate, second is that without suitable good blast hole stemming object, according to experimental study and
Engineering practice proves, is adequately clogged after blast hole projectile filling, and blasting cost can be substantially reduced, and improves demolition effect, accelerates work
Cheng Jindu has significant economic benefit and social benefit.
Existing Authorization Notice No. is that the Chinese patent of 205192358U disclosed a kind of flexible resistance on 04 27th, 2016
EVA plug for boreholes are fired, including cylindrical EVA cock bodys, the cylinder EVA cock bodys side offer detonation pipe trench, is led for accommodating
Quick-fried rope.The multiple-row blasting suitable for the tunnellings such as tunnel, all kinds of roadways, blocking work are simply light simultaneously for the utility model
Just, blocking speed is fast, and ponding is strong, and the energy loss after reduction explosive charge in blasthole improves demolition effect, ensures work
Cheng Jindu.But the mechanical strength of the plug for borehole is relatively low, and when explosive is heavier, plug for borehole cannot be well fixed in blasthole.
Existing plug for borehole cannot effectively solve to will produce a large amount of flue dust during explosion simultaneously, be made to follow-up work
At inconvenient problem.Thus being improved to existing plug for borehole is very important.
Utility model content
For the deficiency of background technology, the utility model provides a kind of EVA plug for boreholes, mainly solves existing blasthole
Plug there is mechanical strength is low and cannot reduce explosion and leads to the problem of flue dust, the EVA plug for boreholes it is simple and reasonable, it is logical
Cross plug shell in support bracket fastened mode is set, effectively improve mechanical strength, so that it is not influenced by heavier explosive and can not
It is effectively fixed in blasthole, while water bag is set in sink in support bracket fastened receive, flue dust is effectively reduced in blasting process, just
It works in ensuing blast, substantially increases the overall performance of EVA plug for boreholes, of low cost, practical simple, blocking effect is good, energy
It is high to measure utilization rate.
Technical solution used by the utility model is：A kind of EVA plug for boreholes comprising have plug for borehole ontology, the big gun
Stopple ontology is arranged for cylindrical structure, and its upper and lower ends is both provided with guiding chamfering, and plug for borehole ontology includes to be adapted
Plug shell and fixing bracket, plug shell be made of flexible flame retardant EVA, fill in be provided at the center of shell it is compatible with fixing bracket
Rack ventilating hole, the H-shaped structure setting of fixing bracket, and the sink of receiving of rectangle is provided at fixing bracket center are received and are set in sink
It is equipped with matched water bag.
As to the utility model further instruction, it is preferable that the fixing bracket includes compatible upper bracket
And lower bracket, upper bracket and lower bracket are mutually permanently connected by the way that buckle and card slot is arranged respectively.
As to the utility model further instruction, it is preferable that the support bracket fastened upper and lower ends are respectively provided with spherical shape
Groove surface, it is support bracket fastened up and down both sides be additionally provided with annular projection.
As to the utility model further instruction, it is preferable that the both sides up and down of the rack ventilating hole are also set up and institute
State the compatible annular groove of annular projection.
As to the utility model further instruction, it is preferable that plug for borehole ontology side is provided with and primacord
Compatible detonation ditch is provided with compatible arc convex on the two side for the ditch that detonates, and arc convex is set as at least three groups.
The utility model has the beneficial effects that：Due to taking above-mentioned technical proposal, the structure of the EVA plug for boreholes is simply closed
Reason, by plug shell in support bracket fastened mode is set, effectively improve mechanical strength, make its will not be influenced by heavier explosive and
It can not be effectively fixed in blasthole, while water bag is set in sink in support bracket fastened receive, cigarette is effectively reduced in blasting process
Dirt works convenient for ensuing blast, substantially increases the overall performance of EVA plug for boreholes, of low cost, practical simple, blocks effect
Good, capacity usage ratio is high.
Description of the drawings
Fig. 1 is the stereogram of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is the diagrammatic cross-section at A-A in Fig. 2.
Fig. 4 is the stereogram of fixing bracket 4 in Fig. 3.
Fig. 5 is the structural schematic diagram of fixing bracket 4 in Fig. 3.
1 in figure, plug for borehole ontology；2, it is oriented to chamfering；3, shell is filled in；4, fixing bracket；5, sink is received；6, water bag；7, upper branch
Frame；8, lower bracket；9, it buckles；10, groove surface；11, annular projection；12, detonate ditch；13, arc convex.
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1 to 5, a kind of EVA plug for boreholes comprising it is cylinder to have plug for borehole ontology 1, the plug for borehole ontology 1
Shape structure setting, and its upper and lower ends is both provided with and is oriented to chamfering 2, plug for borehole ontology 1 includes compatible plug shell 3 and fixes
Holder 4, plug shell 3 is made of flexible flame retardant EVA makes plug for borehole ontology 1 more preferably be fixed in blasthole, fills in and is arranged at the center of shell 3
There are rack ventilating hole compatible with fixing bracket 4,4 H-shaped structure setting of fixing bracket, and is provided at 4 center of fixing bracket
Rectangle receives sink 5, receives and is provided with matched water bag 6 in sink 5, water bag 6 can effectively reduce or eliminate explosion
The flue dust generated in journey, with directly in blasthole add water bag 6 act on it is identical.
The further setting of the present embodiment, the fixing bracket 4 include compatible upper bracket 7 and lower bracket 8, upper branch
Frame 7 and lower bracket 8 are mutually permanently connected by the way that buckle 9 and card slot is arranged respectively, and upper bracket 7 and lower bracket 8 pass through snap
It is fixedly connected and is assembled convenient for plug for borehole ontology 1.
The upper and lower ends of the further setting of the present embodiment, the fixing bracket 4 are respectively provided with spherical groove surface 10, groove
Face 10 makes plug for borehole ontology 1 evenly bear the extruding from explosive, it is made preferably to be fixed in blasthole, fixing bracket 4
Upper and lower both sides are additionally provided with annular projection 11.
The further setting of the present embodiment, the both sides up and down of the rack ventilating hole are also set up fits with 11 phase of the annular projection
The annular groove matched, annular protrusion 11 and annular groove match the air-tightness for ensureing plug for borehole ontology 1 when blocking blasthole, carry
High explosive effect.
The further setting of the present embodiment, 1 side of plug for borehole ontology are provided with detonation ditch compatible with primacord
12, compatible arc convex 13 is provided on the two side for the ditch 12 that detonates, and arc convex 13 is set as at least three groups, and detonate ditch
12 and arc convex 13 match the problems such as so that primacord is not wound again.
The EVA plug for boreholes it is simple and reasonable, plug shell 3 in setting fixing bracket 4 by way of, effectively improve machine
Tool intensity makes it not influenced by heavier explosive and can not be effectively fixed in blasthole, while in the sink of receiving of fixing bracket 4
Water bag 6 is set in 5, flue dust is effectively reduced in blasting process, works convenient for ensuing blast, substantially increases EVA plug for boreholes
Overall performance, of low cost, practical simple, blocking effect is good, and capacity usage ratio is high.
Every technical staff's notice：Although the utility model is described according to above-mentioned specific implementation mode, this
The invention thought of utility model is not limited to that utility model, any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (5)
1. a kind of EVA plug for boreholes include plug for borehole ontology, it is characterised in that：The plug for borehole ontology sets for cylindrical structure
It sets, and its upper and lower ends is both provided with guiding chamfering, plug for borehole ontology includes compatible plug shell and fixing bracket, and plug shell is adopted
It is made of flexible flame retardant EVA, fills in and be provided with rack ventilating hole compatible with fixing bracket at the center of shell, fixing bracket is H-shaped
Structure setting, and the sink of receiving of rectangle is provided at fixing bracket center is received and is provided with matched water bag in sink.
2. a kind of EVA plug for boreholes according to claim 1, it is characterised in that：The fixing bracket includes compatible
Upper bracket and lower bracket, upper bracket and lower bracket are mutually permanently connected by the way that buckle and card slot is arranged respectively.
3. a kind of EVA plug for boreholes according to claim 2, it is characterised in that：The support bracket fastened upper and lower ends are all provided with
The groove surface of Place shape, support bracket fastened both sides up and down are additionally provided with annular projection.
4. a kind of EVA plug for boreholes according to claim 3, it is characterised in that：The both sides up and down of the rack ventilating hole are also set
Set annular groove compatible with the annular projection.
5. a kind of EVA plug for boreholes according to claim 1, it is characterised in that：Plug for borehole ontology side be provided with
The compatible detonation ditch of primacord, is provided with compatible arc convex on the two side for the ditch that detonates, arc convex be set as to
It is three groups few.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200147.9U CN207797901U (en) | 2018-02-05 | 2018-02-05 | A kind of EVA plug for boreholes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200147.9U CN207797901U (en) | 2018-02-05 | 2018-02-05 | A kind of EVA plug for boreholes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797901U true CN207797901U (en) | 2018-08-31 |
Family
ID=63268031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200147.9U Expired - Fee Related CN207797901U (en) | 2018-02-05 | 2018-02-05 | A kind of EVA plug for boreholes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207797901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023932A (en) * | 2019-12-02 | 2020-04-17 | 中国铁建重工集团股份有限公司 | Compound blast hole blocking device with pipe body provided with sealing ring and filled with filler |
| CN111649637A (en) * | 2020-04-27 | 2020-09-11 | 雅化集团绵阳实业有限公司 | Blast hole packer for blasting construction, and packing structure and packing construction method thereof |
-
2018
- 2018-02-05 CN CN201820200147.9U patent/CN207797901U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023932A (en) * | 2019-12-02 | 2020-04-17 | 中国铁建重工集团股份有限公司 | Compound blast hole blocking device with pipe body provided with sealing ring and filled with filler |
| CN111023932B (en) * | 2019-12-02 | 2022-03-25 | 中铁十八局集团有限公司 | Compound blast hole blocking device with pipe body provided with sealing ring and filled with filler |
| CN111649637A (en) * | 2020-04-27 | 2020-09-11 | 雅化集团绵阳实业有限公司 | Blast hole packer for blasting construction, and packing structure and packing construction method thereof |
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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: 20180831 Termination date: 20220205 |