CN112146531A - Auxiliary device for coupled charging of blast hole and using method thereof - Google Patents
Auxiliary device for coupled charging of blast hole and using method thereof Download PDFInfo
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- CN112146531A CN112146531A CN202010944601.3A CN202010944601A CN112146531A CN 112146531 A CN112146531 A CN 112146531A CN 202010944601 A CN202010944601 A CN 202010944601A CN 112146531 A CN112146531 A CN 112146531A
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- cylinder
- baffle
- blast hole
- drum
- pull ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses an auxiliary device for blast hole coupled charging and a using method thereof, wherein the auxiliary device comprises a cylinder, the side wall of the cylinder is uniformly provided with a plurality of strip-shaped grooves along the length direction, the bottom of the cylinder is movably connected with a push plate, the outer diameter of the push plate is matched with the inner diameter of the cylinder and slides along the inner side wall of the cylinder, the top of the cylinder is fixedly connected with a baffle plate, the center of the push plate is provided with a pull ring, the center of the baffle plate is provided with a through hole corresponding to the pull ring, one end of a pull rope is connected with the pull. According to the device, the cut cartridge is loaded into the cylinder with the strip-shaped groove in the side wall, the pull rope is used for pulling the push plate to move towards the baffle, the baffle is fixed by a hand or other objects, the baffle resists the movement of the cartridge from the other end, and the cartridge is extruded to overflow from the strip-shaped groove to the wall of the blast hole under the action of two end forces, so that coupled charging is realized.
Description
Technical Field
The invention belongs to the technical field of blasting, and particularly relates to an auxiliary device for coupled charging of a blast hole and a using method thereof.
Background
The drilling blasting is a common technology for stone excavation, is widely applied to the fields of water conservancy and hydropower, mine excavation, traffic construction and the like, and blast holes are holes drilled on blasting bodies and used for filling explosives. The arrangement mode of the explosive cartridge in the blast hole is called as an explosive loading structure, the diameter of the explosive is the same as that of the blast hole, and the explosive loading structure which is directly contacted with the blast hole wall without a gap is called as coupled explosive loading.
When hard rock or thick rock is met, local blasting impact force can be increased by adopting coupled charging, the rock breaking degree is improved, and the blasting effect is enhanced. However, the diameter of the emulsion explosive cartridge is generally smaller than that of the blast hole, the existing coupling loading mode usually adopts the mode of binding a plurality of cartridges and then loading the cartridges into the blast hole, but due to the irregularity of the blast hole, the coupling degree of the bound cartridges and the blast hole is not high, or the cartridges cannot be smoothly placed into the blast hole, so that the blasting efficiency is influenced; if the cartridge diameter is to be modified to couple emulsion explosive to the bore hole specifically to the bore hole diameter, the cost is too high, the handling is difficult, and the effects of irregularities in the bore hole still exist.
Chinese patent with publication number CN 211120883U discloses a blast hole coupling charge auxiliary device, which comprises a straight pipe, a fastener, a hook, a ballast weight and a ballast block, wherein the hook is fixed on the upper part of the straight pipe by the fastener for hanging the ballast weight; the lower part of the straight pipe is provided with a ballast block for contacting and extruding the explosive. The device utilizes self weight to extrude the explosive, so that the cut emulsion explosive is filled into an adjacent gap, and local coupled explosive charging is realized.
The device utilizes self weight to extrude the explosive, can only extrude the explosive from big gun hole top is downward, and radial big gun hole then can't use to when needs interval powder charge, extrude the explosive from the top downwards, probably remove the cartridge position, change loaded constitution.
Disclosure of Invention
The invention aims to solve the problems that: the auxiliary device for blast hole coupled charging and the using method thereof solve the problems of difficult charging and low coupling degree in the prior art, are simultaneously suitable for various blast holes and charging structures, and improve the construction efficiency of coupled charging.
The technical scheme adopted by the invention is as follows: the utility model provides an auxiliary device for big gun hole coupling powder charge, includes the drum, a plurality of bar grooves are evenly seted up along length direction to the drum lateral wall, drum bottom swing joint push pedal, the push pedal external diameter matches with the drum internal diameter, slides along the drum inside wall, and drum top fixed connection baffle, push pedal central authorities set up the pull ring, and baffle central authorities correspond the pull ring and are equipped with the through-hole, and pull rope one end is passed through the couple and is connected the pull ring, and the other end passes the through-hole and stretches out the drum top until stretching out.
Through above-mentioned technical scheme, pack into the drum with the cartridge that cuts broken and lie in between baffle and the push pedal to the stay cord passes the through-hole after connecting the pull ring and stretches out the drum, puts into the big gun hole with the drum and makes the one end that is equipped with the baffle be close to big gun drill way mouth, utilizes hand or other objects to support the baffle, stimulates the stay cord, makes the push pedal remove to the baffle, and the push pedal extrudes the cartridge, and the explosive overflows to the big gun hole wall through the strip-shaped groove, realizes the coupling powder charge.
The support column is a hollow column body, one end of the support column is provided with a support disc outwards along the outer wall surface, the diameter of the support disc is smaller than that of the blast hole, and the other end of the support column is provided with a handle; the bottom plate of the support column is contacted with the baffle, and the support column is stabilized by a handle to stop the baffle from moving.
Furthermore, the prop is made of PVC material or common plastic and is a hard cylinder, and the length of the prop is 1-3 m; light weight and labor-saving operation.
Further, a plurality of explosive loading grooves are uniformly formed in the inner walls of the baffle and the push plate in a one-to-one correspondence mode respectively, the explosive loading grooves are hollow cylinders with the diameters matched with the explosive cartridges and are 1-2cm high, the bottom ends of the explosive loading grooves are fixedly connected with the baffle or the push plate, the top ends of the explosive loading grooves are provided with openings and used for placing the explosive cartridges, the explosive cartridges are uniformly placed, and when the push plate moves, explosives are guaranteed to uniformly overflow along the outer circumference of the cylinder, and are fully coupled for explosive loading.
Furthermore, a plurality of barbs are arranged on the inner side wall of the cylinder at intervals along the length direction, the barbs are thin sheets made of plastics, the bottom ends of the barbs are fixed on the side wall of the cylinder, and the top ends of the barbs face the baffle; the barb is used to prevent the push plate from retreating.
Furthermore, the pull ring is made of plastics, and the weight of the pull ring bearing tension is 0.5-1 kg; when the push plate moves in place, the pull rope is pulled forcefully to break the pull ring, and the pull rope is pulled out.
Furthermore, the cylinder is made of PVC materials or common plastics, the diameter of the cylinder is 2-3cm smaller than the diameter of the blast hole, and the length of the cylinder is equivalent to that of the cartridge; the processing is convenient, and the loading of irregular blast holes is satisfied.
Furthermore, the pull rope is provided with scales along the length direction; the position of the charge is determined by the scale, and the push plate is prompted to move for a distance.
A method of using an aid for coupled charging of a blast hole, comprising the steps of:
s1: firstly, inverting the cylinder, and filling the cut emulsion explosive into the cylinder corresponding to the explosive loading groove of the baffle;
s2: the head end of the pull rope penetrates through the baffle plate, the tail end hook is connected with the pull ring, and the push plate is arranged in the cylinder and positioned at the bottom end of the cylinder after the medicine loading groove of the push plate corresponds to the medicine roll;
s3: the cylinder is placed into the blast hole slowly after being aligned, and the charging position is determined through the scale on the pull rope;
s4: putting one end of the prop provided with the chassis into a blast hole downwards, enabling a pull rope to penetrate through the center of the prop and extend out of the prop, and controlling the chassis to be in contact with the baffle through a handle;
s5: the pull rope is pulled slowly, the support column blocks the baffle from moving, the push plate and the baffle extrude the explosive cartridge, the pull rope is lifted forcibly after the moving distance of the push plate is determined to accord with the set value through the scale, and the support column is taken out after the pull ring is broken, so that coupled explosive charging is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the device, the cut cartridge is loaded into the cylinder with the strip-shaped groove in the side wall, the pull rope is used for pulling the push plate to move towards the baffle, the baffle is fixed by a hand or other objects, the baffle resists the movement of the cartridge from the other end, and the cartridge is extruded to overflow from the strip-shaped groove to the wall of the blast hole under the action of two end forces, so that coupled charging is realized;
2. the supporting columns of the hollow cylinder are used for fixing the position of the baffle outside the baffle, so that the medicine charging position is prevented from changing, the explosive cartridge is extruded, and then the medicine is charged in a coupling manner;
3. the explosive loading grooves are uniformly arranged on the inner walls of the baffle and the push plate in a one-to-one correspondence manner, so that stable placement of explosive cartridges is ensured, and when the push plate moves, explosives uniformly extend outwards, so that coupled explosive loading is more sufficient;
4. the forward barbs arranged on the inner wall of the cylinder prevent the push plate from retreating, so that the cartridge is favorably extruded;
5. the pull ring is made of plastic, a tension bearing value is set, and after the push plate moves in place, the pull rope is pulled by using tension exceeding the bearing value to break the pull ring so as to finish one-time coupled charging, and the pull rope is used for next charging, so that the material is saved;
6. the cylinder and the support column are made of PVC materials, so that the coupling powder filling device has the advantages of light weight, easiness in processing, convenience in use and low cost, and in addition, the diameter of the cylinder is smaller than that of a blast hole, the use of irregular blast holes is met, and the coupling powder filling construction efficiency is improved;
7. the stay cord is made of PVC or wood materials, the length of the stay cord is larger than the sum of the lengths of the support column and the cylinder, the stay cord is guaranteed to extend out of the support column, a push plate is convenient to pull, scales are arranged on the stay cord along the length direction, and the movement distance of the push plate is prompted through the scales, so that coupled charging at each time is completed.
Drawings
FIG. 1 is a schematic view of the structure of the present invention 1;
FIG. 2 is a schematic structural diagram of the present invention 2;
FIG. 3 is a schematic view of a push plate structure;
fig. 4 is a schematic view of a baffle structure.
Detailed Description
The invention will be further explained in conjunction with the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.
Referring to fig. 1-4, an auxiliary device for blast hole coupled charging and a using method thereof are disclosed, the auxiliary device for blast hole coupled charging comprises a cylinder 1, a push plate 2, a baffle 3, a pull rope 4 and a support column 5. The cylinder 1 is made of PVC materials, the diameter of the cylinder 1 is smaller than the diameter of a blast hole by 3cm, and the length of the cylinder is equivalent to the length of the cartridge; 8-12 bar grooves 11 are evenly seted up along length direction to 1 lateral wall of drum, the width in bar groove 11 is 0.5cm, and bar groove 11 both ends are 2cm with 1 both ends distance of drum, and 1 top fixed connection baffle 3 of drum, 3 diameters of baffle are equivalent with 1 diameter of drum to the baffle 3 material is harder, 1 bottom sliding connection push pedal 2 of drum, 2 external diameters of push pedal match with 1 internal diameter of drum, and push pedal 2 is located 1 internal diameter of drum and slides along 1 lateral wall face of drum, and 2 central authorities of push pedal set up pull ring 21, and 4 one end of stay cord are equipped with the couple and are connected with pull ring 21, and the other end stretches to baffle 3, and 3 central authorities of baffle correspond pull ring 21 and are equipped with through-hole 31, and stay cord 4 stretches out 1 top of drum through-hole 31, until stay cord 4 stretches.
Specifically, the pull ring 21 is made of plastic, the maximum bearing tension weight is 0.5kg, when the pull rope 4 pulls the pull ring 21 by using a tension greater than 0.5kg, the pull ring 21 automatically breaks, and the pull rope 4 is separated from the pull ring 21; stay cord 4 length is 3m, guarantees that stay cord 4 stretches out the big gun hole, the manual operation of being convenient for to stay cord 4 is equipped with the scale along length direction, through scale suggestion push pedal 2 displacement (the stay cord has the advantage that can deform, use in a flexible way, and here stay cord can adopt the pull rod to replace).
Further, 1 internal face of drum is equipped with two barbs 12 along the even interval of length direction, barb 12 is the thin slice that plastics were made, and 12 bottom fixings of barb are on 1 lateral wall of drum, and 12 tops of barb utilize barb 12 to prevent that push pedal 2 from retreating towards baffle 3.
Baffle 3 is equipped with 8 charge groove 6 with the even one-to-one of 2 internal face in push pedal, charge groove 6 is the hollow circular cylinder that diameter and cartridge match, highly is 1cm, 6 bottom and baffle 2 or 3 fixed connection in push pedal in charge groove, and the top opening for place the cartridge, realize that the cartridge is stable evenly to be placed, when push pedal 2 removed, ensure that the explosive evenly spills over along the outer circumference of drum 1, the intensive coupling powder charge.
The support column 5 is a hollow hard cylinder and is made of PVC materials, the weight is light, the operation is easy, the length of the support column 5 is 2m, a support disc 51 is arranged at one end of the support column 5 along the outer wall surface outwards, the support disc 51 is circular and used for increasing the contact area of the support column 5 and the baffle 3, the position of the baffle 3 is fixed, the diameter of the support disc 51 is smaller than the diameter of a blast hole, a handle 52 is arranged at the other end of the support column 5, and the support column 5 is manually stabilized through the handle 52 to prevent the baffle 5 from moving.
A method of using an aid for coupled charging of a blast hole, comprising the steps of:
s1: firstly, inverting the cylinder 1, and filling the cut emulsion explosive into the cylinder 1 corresponding to the explosive filling groove 6 of the baffle 3;
s2: the head end of the pull rope 4 penetrates through the baffle 3, the tail end of the pull rope is connected with the pull ring 21 through a hook, and the push plate 2 is arranged in the cylinder 1 and positioned at the bottom end of the cylinder 1 after the medicine loading groove 6 of the push plate 2 corresponds to the medicine roll;
s3: the cylinder 1 is placed into a blast hole slowly after being aligned, and the charging position is determined through the scale on the pull rope 4;
s4: putting one end of the prop 5, which is provided with the chassis 51, into a blast hole downwards, enabling the pull rope 4 to penetrate through the center of the prop 5 and extend out of the prop 5, and controlling the chassis 51 to be in contact with the baffle 3 through the handle 52;
s5: slowly stimulate the stay cord 4, the support column 5 blocks the baffle 3 to move, the push plate 2 and the baffle 3 extrude the explosive cartridge, after the scale determines that the moving distance of the push plate 2 accords with the set value, the stay cord 4 is forcefully lifted, and the support column 5 is taken out after the pull ring 21 is broken, so that coupled explosive charging is realized.
The above-described examples are merely illustrative of preferred embodiments of the present invention and do not limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art without departing from the spirit and principles of this invention, and it is intended to cover such modifications and alterations as fall within the true spirit and scope of this invention.
Claims (9)
1. An auxiliary device for coupling charging of a blast hole is characterized in that: including drum (1), a plurality of bar grooves (11) are evenly seted up along length direction to drum (1) lateral wall, drum (1) bottom swing joint push pedal (2), push pedal (2) external diameter matches with drum (1) internal diameter, slides along drum (1) inside wall, and drum (1) top fixed connection baffle (3), push pedal (2) central authorities set up pull ring (21), and baffle (3) central authorities correspond pull ring (21) and are equipped with through-hole (31), and pull rope (4) one end is passed through the couple and is connected pull ring (21), and the other end passes through-hole (31) and stretches out drum (1) top until stretching out the big gun hole.
2. An aid for a coupled charge to a blast hole according to claim 1, further comprising: the blast-resistant gun is characterized by further comprising a supporting column (5), wherein the supporting column (5) is a hollow cylinder, a supporting disc (51) is arranged at one end of the supporting column outwards along the outer wall surface, the diameter of the supporting disc (51) is smaller than that of the blast hole, and a handle (52) is arranged at the other end of the supporting column (5).
3. An aid for a coupled charge to a blast hole according to claim 2, wherein: the support column (5) is made of PVC materials or common plastics and is a hard cylinder, and the length of the support column (5) is 1-3 m.
4. An aid for a coupled charge to a blast hole according to claim 1, further comprising: baffle (3) and push pedal (2) inner wall evenly are equipped with a plurality of dress medicine grooves (6) along the one-to-one respectively, dress medicine groove (6) are the hollow circular cylinder that diameter and cartridge match, highly are 1-2cm, and dress medicine groove (6) bottom and baffle (3) or push pedal (2) fixed connection, top opening for place the cartridge.
5. An aid for a coupled charge to a blast hole according to claim 1, further comprising: be equipped with a plurality of barbs (12) along length direction interval on drum (1) inside wall, barb (12) are the thin slice that plastics were made, and barb (12) bottom mounting is on drum (1) lateral wall, and barb (12) top is towards baffle (3).
6. An aid for a coupled charge to a blast hole according to claim 1, further comprising: the pull ring (21) is made of plastic, and the weight of the pull ring (21) bearing the tensile force is 0.5-1 kg.
7. An aid for a coupled charge to a blast hole according to claim 1, further comprising: the cylinder (1) is made of PVC materials or common plastics, the diameter of the cylinder (1) is 2-3cm smaller than the diameter of a blast hole, and the length of the cylinder is equivalent to that of the cartridge.
8. An aid for a coupled charge to a blast hole according to claim 1, further comprising: the pull rope (4) is provided with scales along the length direction.
9. Use of an aid for emptying a coupled charge according to any of claims 1-8, comprising the steps of:
s1: firstly, inverting the cylinder (1), and filling the cut emulsion explosive into the cylinder (1) corresponding to the explosive filling groove (6) of the baffle (3);
s2: the head end of the pull rope (4) penetrates through the baffle (3), the tail end hook is connected with the pull ring (21), and the push plate (2) is arranged in the cylinder (1) and positioned at the bottom end of the cylinder (1) after the medicine loading groove (6) of the push plate (2) corresponds to the medicine roll;
s3: the cylinder (1) is placed into the blast hole slowly after being aligned, and the charging position is determined through the scale on the pull rope (4);
s4: one end of the support column (5) provided with the chassis (51) is placed into the blast hole downwards, the pull rope (4) penetrates through the center of the support column (5) and extends out of the support column (5), and the chassis (51) is controlled to be in contact with the baffle (3) through the handle (52);
s5: slowly stimulate stay cord (4), support post (5) and block that baffle (3) remove, push pedal (2) and baffle (3) form the extrusion to the cartridge, confirm push pedal (2) displacement through the scale and accord with the settlement back, promote stay cord (4) hard, take out after pull ring (21) fracture and support post (5), realize the coupling powder charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944601.3A CN112146531A (en) | 2020-09-10 | 2020-09-10 | Auxiliary device for coupled charging of blast hole and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944601.3A CN112146531A (en) | 2020-09-10 | 2020-09-10 | Auxiliary device for coupled charging of blast hole and using method thereof |
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| Publication Number | Publication Date |
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| CN112146531A true CN112146531A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010944601.3A Pending CN112146531A (en) | 2020-09-10 | 2020-09-10 | Auxiliary device for coupled charging of blast hole and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340168A (en) * | 2021-05-28 | 2021-09-03 | 北京工业大学 | Pull rod type explosive loading spacer and using method thereof |
-
2020
- 2020-09-10 CN CN202010944601.3A patent/CN112146531A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340168A (en) * | 2021-05-28 | 2021-09-03 | 北京工业大学 | Pull rod type explosive loading spacer and using method thereof |
| CN113340168B (en) * | 2021-05-28 | 2022-05-17 | 北京工业大学 | Pull rod type explosive loading spacer and using method thereof |
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