CN202255141U - Easy-precipitating blast hole blasting combined spacer - Google Patents
Easy-precipitating blast hole blasting combined spacer Download PDFInfo
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- CN202255141U CN202255141U CN2011202885228U CN201120288522U CN202255141U CN 202255141 U CN202255141 U CN 202255141U CN 2011202885228 U CN2011202885228 U CN 2011202885228U CN 201120288522 U CN201120288522 U CN 201120288522U CN 202255141 U CN202255141 U CN 202255141U
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- Prior art keywords
- ring
- acute angle
- hole blasting
- tooth
- blasting combined
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Abstract
The utility model belongs the technical field of blast hole powder charge blasting for bargh, and especially relates to a blast hole blasting combined spacer. The blast hole blasting combined spacer consists of a disc substrate, a rubber seal ring connected with the disc substrate, a group of balance lifting ropes connected with the upper surface of the circumference of the disc substrate, a load-bearing digging rope connected with the group of balance lifting ropes, and an orifice supporting rod connected with the load-bearing digging rope; scale marks are set on the load-bearing digging rope, a circumferential T-shaped groove is set on the disc substrate, a group of water inlets are set on the bottom of the circumferential T-shaped groove, the bottom of the rubber seal ring is a T-shaped base ring inserted in the circumferential T-shaped groove, the middle part is a flat ring connected with the upper end of the T-shaped base ring, and the upper part is a tapered serrated ring connected with the flat ring. The blast hole blasting combined spacer is simple in structure, low in manufacturing cost, easy to operate and good in balance performance; and the blast hole blasting combined spacer guarantees construction to be safe and reliable. The blast hole blasting combined spacer can be widely used for blast holes with a large quantity of water.
Description
Technical field
The utility model belongs to the blast hole projectile filling blasting technique field of bargh, relates in particular to a kind of free settling shot hole blasting combined type spacer.
Background technology
At exploitated ore or when exploiting other solids, on by the exploitation thing, bore a deep hole usually, then filling explosive in this hole with rig or miscellaneous equipment; Carry out explosion, so that fallen by the exploitation thing is quick-fried, and then reach the purpose of exploitation; But directly toward the interior filling explosive of deep hole, the Energy distribution that its explosion sometimes produced is inhomogeneous, not only causes the unit consumption dose big; And boulder yield is high, influences blasting quality.
Loose Blasting span device be a kind of in the Loose Blasting hole a kind of device of material of the same race not at interval, its effect is that explosive energy is evenly distributed, and is mainly used in the big gun hole of mining explosion.During use, spacer can be placed on the design attitude in the blast hole, on spacer, carries out the operation such as filling explosive, filling, line in Loose Blasting hole then, carries out explosion after finishing and detonates.Use spacer that explosive energy is fully utilized, practice thrift explosive, improve blasting quality, reduce the exploitation blasting cost, also can offer help simultaneously for special blasting Design.Chinese patent ZL02276267.1 discloses a kind of blast hole channel interval device, and it is to constitute this type spacer by the airbag of flexibility and the aerating device in the airbag, utilizes the Compressed Gas filling airbag that discharges the gas cylinder in the airbag; The gas filling airbag that perhaps utilizes gas generator to produce makes the airbag after the inflation closely contact the formation bearing capacity with the explosion hole wall; Realize the interval filling of explosive in the blast hole, but the Compressed Gas of this spacer exists potential safety hazard in transportation is carried, and structure is loaded down with trivial details; Troublesome poeration; Inefficiency, the size of isolation is inaccuracy also, thereby influences the quality and the effect of explosion.
Chinese patent ZL200620161101.8 discloses a kind of channel interval device, does not need high-pressure gas, but adopts compressor directly to inflate; But prerequisite is must be equipped with a kind of special-purpose charger in use; Cost is higher, and simultaneously complicated during operating cost, efficient is low.All there is the problem of cracky when running into sharp object in the airbag of above-mentioned two kinds of spacers.
Chinese patent ZL01212086.3 deep hole blasting spacer; Be to be made up of two dividing plates and the pillar that is located between this two dividing plate, though simple in structure, dividing plate is a rigid solid; Get in the blast hole and can not coincide with the blast hole shape is tight; Size hour, the sealing in last lower clapboard space is poor, influences demolition effect.When size is big,, cause to arrive desired location, bursting work can not be carried out smoothly with the easy clamping stagnation of hole wall.
Summary of the invention
The purpose of the utility model is to provide a kind of interval function admirable, safe and reliable, good airproof performance, can accurately be installed in the free settling shot hole blasting combined type spacer on the desired location.
The purpose of the utility model realizes through following technical proposals:
The free settling shot hole blasting combined type spacer of the utility model; It is characterized in that by disc base plate; The rubber seal that is connected of disc base plate therewith; The one group of balance lifting rope that is connected with described disc base plate circumference upper surface, one group of load-bearing stay cord that the balance lifting rope is connected therewith, the aperture load bar that is connected of load-bearing stay cord is formed therewith; Described load-bearing stay cord is provided with the scale label line; Described disc base plate is provided with the circumference T-slot, and the bottom surface of this circumference T-slot is provided with one group of inlet opening, and described rubber seal bottom is for being inserted into T shape base ring, flat board ring, top the taper saw-tooth ring for said dull and stereotyped ring be connected of middle part for being connected with said T shape base ring upper end in the described circumference T-slot.
The gap of the outer surface of the inner surface of described circumference T-slot and said T shape base ring is 3 ㎜ ~ 6 ㎜.
Described T shape base ring is provided with the boss circle, and this boss circle height is 2-4 ㎜.
The upper surface of described taper saw-tooth ring is a smooth surface, and the lower surface of described taper saw-tooth ring is provided with acute angle apical tooth ring, the anti-skidding ring gear I of acute angle and the anti-skidding ring gear II of acute angle from top to down successively.
The flank of tooth included angle B of described acute angle apical tooth ring is 10 ° ~ 30 °, and the flank of tooth angle E of the flank of tooth angle D of the anti-skidding ring gear I of said acute angle and the anti-skidding ring gear II of acute angle is 25 ° ~ 45 °.
The difference of the root radius of a circle of the summit radius of a circle of described acute angle apical tooth ring and acute angle apical tooth ring is 5 ㎜ ~ 15 ㎜.
The difference of the summit radius of a circle of described acute angle apical tooth ring and the excircle radius of described disc base plate is 15 ㎜ ~ 30 ㎜.
The angle C of adjacent two flank of tooth of described acute angle apical tooth ring and the anti-skidding ring gear I of described acute angle is 145 ° ~ 160 °.
The method for using of the utility model:
Disc base plate and rubber seal were the split state before the utility model used; In use, at first rubber seal is assembled in the circumference T-slot of disc base plate, puts into the big gun hole then and move down; Move down the degree of depth through the checking of the scale label on the load-bearing stay cord; After being placed into the position that adheres to specification, fix, load operation operations such as explosive, filling at last through aperture load bar.
The advantage of the utility model:
1) the utility model is provided with one group of balance lifting rope and guarantees that the disc base plate level moves down; And the load-bearing stay cord that is connected of one group of balance lifting rope is provided with the scale label line therewith; At any time show that disc base plate and rubber seal are positioned at the depth value in hole; The assurance interval location is accurate, meets the Charge Design requirement;
2) in the folding process of the utility model in the big gun hole, be close to hole wall after the drift angle of acute angle apical tooth ring can be out of shape and move down, promptly guaranteed sealing at interval, can avoid damaging big gun hole wall and explosive again, guarantee shotfiring safety;
3) in a single day the tram of the utility model is determined, and aperture load bar just strides across two ends, big gun aperture overlap joint on orifice edge, guarantees the fixed-site of spacer;
4) disc base plate of the utility model is provided with the inlet opening, and when guaranteeing in blasting hole with water operation, buoyancy of water can not have influence on moving down fast of spacer;
5) the utility model is simple in structure, low preparation cost, and processing ease, balance quality is good, guarantees that construction safety is reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the vertical view of the utility model Fig. 1.
Fig. 3 is the I place enlarged drawing of the utility model Fig. 1.
The specific embodiment
The specific embodiment below in conjunction with description of drawings the utility model.
As shown in Figure 1: the free settling shot hole blasting combined type spacer of the utility model is characterized in that by disc base plate 5, therewith the rubber seal 4 that is connected of disc base plate 5; The one group of balance lifting rope 3 that is connected with described disc base plate 5 circumference upper surfaces, one group of load-bearing stay cord 2 that balance lifting rope 3 is connected therewith, 1 composition of aperture load bar of being connected of load-bearing stay cord 2 therewith; Described load-bearing stay cord 2 is provided with the scale label line; During manually-operated, spacer is moved down in the big gun hole, the scale label line shows the depth value that moves down; Described disc base plate 5 is provided with the circumference T-slot; The bottom surface of this circumference T-slot is provided with one group of inlet opening 6, and the purpose that is provided with of this inlet opening 6 is to exist under the situation of big water gaging in the big gun hole, in order to eliminate the influence that buoyancy moves down spacer fast; Spacer is got in the water of big gun hole smoothly, rest on the correct position.Said disc base plate can adopt bamboo material to process; Described rubber seal 4 bottoms are T shape base ring 4-6, flat board ring 4-1, top the taper saw-tooth ring 4-2 for said dull and stereotyped ring 4-1 be connected of middle part for being connected with said T shape base ring 4-6 upper end that is inserted in the described circumference T-slot; Rubber seal adopts flexible black rubber material, and is flexible and high temperature resistant, corrosion-resistant.
The upper surface of described taper saw-tooth ring 4-2 is a smooth surface, and the lower surface of described taper saw-tooth ring 4-2 is provided with acute angle apical tooth ring 4-3, acute angle anti-skidding ring gear I 4-4 and the anti-skidding ring gear II of acute angle 4-5 from top to down successively.The summit radius of a circle of acute angle apical tooth ring 4-3 should be a bit larger tham the big gun pore radius, guarantees and distortion is arranged for a short time after hole wall contacts, and promptly guarantees sealing, and it is unaffected to guarantee again to glide.
The gap of the outer surface of the inner surface of described circumference T-slot and said T shape base ring 4-6 is 3 ㎜ ~ 6 ㎜.Its objective is that letting water pass through this gap gets into top from the bottom, is in the water spacer.
Described T shape base ring is provided with the boss circle, and this boss circle height is 2-4 ㎜.Avoid upper and lower surfaces to form water seal.
The flank of tooth included angle B of described acute angle apical tooth ring 4-3 is 10 ° ~ 30 °, and the flank of tooth angle E of the flank of tooth angle D of the anti-skidding ring gear I of said acute angle 4-4 and the anti-skidding ring gear II of acute angle 4-5 is 25 ° ~ 45 °.
The difference of the summit radius of a circle of described acute angle apical tooth ring 4-3 and the root radius of a circle of acute angle apical tooth ring is 5 ㎜ ~ 15 ㎜.
The difference of the summit radius of a circle of described acute angle apical tooth ring 4-3 and the excircle radius of described disc base plate 5 is 15 ㎜ ~ 30 ㎜.
The angle C of adjacent two flank of tooth of described acute angle apical tooth ring 4-3 and the anti-skidding ring gear I of described acute angle 4-4 is 145 ° ~ 160 °.
The utility model is simple in structure, low preparation cost, and processing ease, balance quality is good, guarantees that construction safety is reliable.Can be in the big gun hole that has big water gaging.
Claims (8)
1. free settling shot hole blasting combined type spacer; It is characterized in that by disc base plate; The rubber seal that is connected of disc base plate therewith; The one group of balance lifting rope that is connected with described disc base plate circumference upper surface, one group of load-bearing stay cord that the balance lifting rope is connected therewith, the aperture load bar that is connected of load-bearing stay cord is formed therewith; Described load-bearing stay cord is provided with the scale label line; Described disc base plate is provided with the circumference T-slot, and the bottom surface of this circumference T-slot is provided with one group of inlet opening, and described rubber seal bottom is for being inserted into T shape base ring, flat board ring, top the taper saw-tooth ring for said dull and stereotyped ring be connected of middle part for being connected with said T shape base ring upper end in the described circumference T-slot.
2. free settling shot hole blasting combined type spacer according to claim 1 is characterized in that the gap of outer surface of inner surface and the said T shape base ring of described circumference T-slot is 3 ㎜ ~ 6 ㎜.
3. free settling shot hole blasting combined type spacer according to claim 1 is characterized in that described T shape base ring is provided with the boss circle, and this boss circle height is 2-4 ㎜.
4. free settling shot hole blasting combined type spacer according to claim 1; The upper surface that it is characterized in that described taper saw-tooth ring is a smooth surface, and the lower surface of described taper saw-tooth ring is provided with acute angle apical tooth ring, the anti-skidding ring gear I of acute angle and the anti-skidding ring gear II of acute angle from top to down successively.
5. free settling shot hole blasting combined type spacer according to claim 2; The flank of tooth included angle B that it is characterized in that described acute angle apical tooth ring is 10 ° ~ 30 °, and the flank of tooth angle E of the flank of tooth angle D of the anti-skidding ring gear I of said acute angle and the anti-skidding ring gear II of acute angle is 25 ° ~ 45 °.
6. free settling shot hole blasting combined type spacer according to claim 2 is characterized in that the difference of root radius of a circle of summit radius of a circle and the acute angle apical tooth ring of described acute angle apical tooth ring is 5 ㎜ ~ 15 ㎜.
7. free settling shot hole blasting combined type spacer according to claim 2 is characterized in that the difference of excircle radius of summit radius of a circle and the described disc base plate of described acute angle apical tooth ring is 15 ㎜ ~ 30 ㎜.
8. free settling shot hole blasting combined type spacer according to claim 2, the angle C that it is characterized in that adjacent two flank of tooth of described acute angle apical tooth ring and the anti-skidding ring gear I of described acute angle is 145 ° ~ 160 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202885228U CN202255141U (en) | 2011-08-10 | 2011-08-10 | Easy-precipitating blast hole blasting combined spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202885228U CN202255141U (en) | 2011-08-10 | 2011-08-10 | Easy-precipitating blast hole blasting combined spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255141U true CN202255141U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202885228U Withdrawn - After Issue CN202255141U (en) | 2011-08-10 | 2011-08-10 | Easy-precipitating blast hole blasting combined spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202255141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261875A (en) * | 2011-08-10 | 2011-11-30 | 鞍钢集团矿业公司 | Easy settling borehole explosion combined spacer |
-
2011
- 2011-08-10 CN CN2011202885228U patent/CN202255141U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261875A (en) * | 2011-08-10 | 2011-11-30 | 鞍钢集团矿业公司 | Easy settling borehole explosion combined spacer |
| CN102261875B (en) * | 2011-08-10 | 2013-05-01 | 鞍钢集团矿业公司 | Easy settling borehole explosion combined spacer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |