CN210321460U - Open bench blasting radial air space charging device - Google Patents
Open bench blasting radial air space charging device Download PDFInfo
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- CN210321460U CN210321460U CN201921246270.5U CN201921246270U CN210321460U CN 210321460 U CN210321460 U CN 210321460U CN 201921246270 U CN201921246270 U CN 201921246270U CN 210321460 U CN210321460 U CN 210321460U
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Abstract
The utility model relates to an open-air bench blasting technical field specifically is an open-air bench blasting radial air interval charging device, include the powder charge interval support that constitutes by end powder charge dish, interval powder charge dish, pressure disk and interval branch, the spring inner chamber that the lateral wall of end powder charge dish, interval powder charge dish and pressure disk was seted up passes through compression spring connection wheel seat branch, and the supporting shoe of wheel seat branch outer end is equipped with the wheel seat, rotates on the wheel seat to be connected with the gyro wheel. Has the advantages that: in the utility model, the explosive loading spacing bracket formed by splicing the bottom explosive loading disc, the spacing explosive loading disc, the pressure plate and the spacing support rod protects the explosive package from being guided to the interior of the blast hole, thereby avoiding the abrasion caused by the contact of the explosive package and the inner wall of the blast hole; the spacing support rod can be freely intercepted according to the length, and the spacing between the bottom medicine bearing plate, the spacing medicine bearing plate and the pressure plate is adjusted; and observing the scale marks arranged on the outer wall of the push rod to obtain the depth of the explosive loading spacing support entering the blast hole.
Description
Technical Field
The utility model relates to an open bench blasting technical field specifically is a radial air space charging means of open bench blasting.
Background
In the open bench blasting engineering, explosive is loaded at intervals, the explosive column is divided into a plurality of sections and separated by air, water, rock slag and the like, and the method is a loading method for reasonably distributing the energy of the explosive in a blast hole according to the principle of sympathetic explosion.
When radial air interval charging is adopted, the explosive packages are separated by the spacing device through bamboo poles, air bags and the like, but in the charging process, the explosive packages are in direct contact with the wall of a blast hole, sliding friction is generated when the explosive packages are dragged, the explosive packages are easy to damage, blasting failure or safety accidents are caused, and charging is difficult; and the spacing between the packs cannot be precisely controlled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an open-air step blasting radial air space charging means to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a radial air interval explosive loading device for open bench blasting comprises an explosive loading interval support composed of a bottom explosive loading disc, an interval explosive loading disc, a pressure disc and interval support rods, wherein the bottom explosive loading disc in the explosive loading interval support is arranged at the bottommost part, a plurality of interval explosive loading discs are arranged above the bottom explosive loading disc, the pressure disc is arranged at the topmost part, the bottom explosive loading disc, the interval explosive loading discs and the pressure disc are connected through the interval support rods, four spring inner cavities are respectively arranged along the outer arc-shaped walls of the bottom explosive loading disc, the interval explosive loading disc and the pressure disc, wheel seat support rods are inserted in the spring inner cavities in a sliding mode, compression springs are connected between the inner ends of the wheel seat support rods and the inner parts of the spring inner cavities, support blocks are integrally formed at the outer ends of the wheel seat support rods, wheel seats are arranged on the outer side walls of the support blocks, idler wheels are rotatably connected on the wheel seats, and the lower surfaces of the, the lower surface of supporting disk bonds and is fixed with the lime layer, the upper surface middle part of pressure disk is connected with the push rod, hugs closely the upper surface of end medicine tray and interval medicine tray all is provided with the cartridge bag, connects the outer wall that the interval branch of end medicine tray, interval medicine tray and pressure disk tightly presss from both sides the cartridge bag.
Preferably, the slotting direction of the spring inner cavities points to the central axis of the bottom medicine bearing plate, the spaced medicine bearing plates and the pressure plate, and the four spring inner cavities are distributed at intervals of 90 degrees.
Preferably, the rolling direction of the roller is the same as the central axis direction of the bottom medicine bearing plate, the interval medicine bearing plate and the pressure plate, and the roller is arranged on the outermost side.
Preferably, the bottom drug-bearing disc, the interval drug-bearing disc and the pressure plate are disc bodies with the same diameter and size, and the bottom drug-bearing disc, the interval drug-bearing disc and the pressure plate are coaxially arranged and distributed.
Preferably, a support rod sleeve is fixedly bonded to the upper surface of the support block arranged in the bottom drug-bearing disk, the upper surface and the lower surface of the support block arranged in the interval drug-bearing disk and the lower surface of the support block arranged in the pressure plate, the support rod sleeves arranged among the bottom drug-bearing disk, the interval drug-bearing disk and the pressure plate are correspondingly connected through interval support rods, and the interval support rods are inserted into the support rod sleeves in an interference fit manner.
Preferably, the middle part of the upper surface of the pressure plate is welded with a push rod connecting column, the outer wall of the push rod connecting column is provided with external threads, and the push rod connecting column is in threaded connection with the lower end of a push rod.
Preferably, the push rod is perpendicular to the upper surface of the pressing plate, and the outer wall of the push rod is provided with scale marks.
Preferably, the interval medicine bearing plate and the pressure plate are both provided with through holes penetrating through the upper surface and the lower surface, the medicine bag is connected with a guide rope, and the guide rope penetrates along the through holes.
Compared with the prior art, the utility model discloses the structure sets up rationally, and is functional strong, has following advantage:
1. in the utility model, the explosive loading spacing bracket formed by splicing the bottom explosive loading disc, the spacing explosive loading disc, the pressure plate and the spacing support rod protects the explosive package from being guided to the interior of the blast hole, thereby avoiding the abrasion caused by the contact of the explosive package and the inner wall of the blast hole;
2. in the utility model, the spacing support rod can be freely intercepted according to the length, and the spacing between the bottom medicine bearing plate, the spacing medicine bearing plate and the pressure plate is adjusted;
3. in the inserting process of the explosive loading spacing bracket, the wheel seat supporting rod is ejected outwards under the action of the compression spring, so that the roller arranged at the outermost side is in rolling contact with the inner wall of the blast hole, and the explosive loading spacing bracket is convenient to push towards the inside of the blast hole;
4. the utility model discloses a push rod promotes towards big gun hole inside to powder charge spacer, observes according to the scale mark of establishing to the push rod outer wall, can know the inside degree of depth of powder charge spacer entering big gun hole.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view at C of FIG. 2;
FIG. 6 is a schematic view of the structure of the present invention when the medicine bag is installed;
fig. 7 is an enlarged view at D in fig. 6.
In the figure: the device comprises a bottom medicine bearing plate 1, a spacing medicine bearing plate 2, a pressure plate 3, a spacing support rod 4, a support plate 5, a lime layer 6, a push rod 7, scale marks 8, a spring inner cavity 9, a wheel seat support rod 10, a support block 11, a wheel seat 12, a roller 13, a compression spring 14, a support rod sleeve 15, a damping spring 16, a push rod connecting column 17, a medicine bag 18 and a through hole 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a radial air interval charging means of open-air step blasting, as shown in figure 1, include and hold batch pan 1 by the end, the interval holds batch pan 2, the powder charge interval support that pressure disk 3 and interval branch 4 constitute, the powder charge interval support that the bottom held batch pan 1 that establishes in the powder charge interval support sets up at the bottommost, the bottom held batch pan 1 top is provided with a plurality of intervals and holds batch pan 2, pressure disk 3 sets up at the topmost, and the bottom held batch pan 1, the interval holds batch pan 2 and pressure disk 3 and is the axiality and arranges the distribution, the bottom held batch pan 1, the interval holds branch sleeve 15 that establishes between batch pan 2 and the pressure disk 3 and passes through interval branch 4 corresponding connection, hold batch pan 1, interval held batch pan 2 and pressure disk 3 by interval branch 4 and carry out the interval support.
Referring to fig. 3, 4 and 5, the bottom drug-containing plate 1, the spacing drug-containing plate 2 and the pressure plate 3 are all disc bodies with the same diameter, four spring inner cavities 9 are respectively arranged along the arc wall outside the bottom drug-containing plate 1, the spacing drug-containing plate 2 and the pressure plate 3, the slotting direction of the spring inner cavities 9 points to the central axis of the bottom drug-containing plate 1, the spacing drug-containing plate 2 and the pressure plate 3, the four spring inner cavities 9 are distributed at intervals of 90 degrees, wheel seat support rods 10 are slidably inserted inside the spring inner cavities 9, compression springs 14 are connected between the inner ends of the wheel seat support rods 10 and the inside of the spring inner cavities 9, supporting blocks 11 are integrally formed at the outer ends of the wheel seat support rods 10, wheel seats 12 are arranged on the outer side walls of the supporting blocks 11, rollers 13 are rotatably connected on the wheel seats 12, the rolling direction of the rollers 13 is the same as the central axis direction of the bottom drug-containing plate 1, the spacing drug-, under the action of the compression spring 14, the wheel seat supporting rod 10 is ejected outwards, so that the roller 13 arranged at the outermost side is in rolling contact with the inner wall of the blast hole, and the explosive charging spacing bracket is convenient to push towards the inside of the blast hole.
Referring to fig. 3, 4 and 5, a strut sleeve 15 is fixed to the upper surface of the supporting block 11 disposed in the bottom tablet receiving tray 1, the upper and lower surfaces of the supporting block 11 disposed in the spaced tablet receiving tray 2 and the lower surface of the supporting block 11 disposed in the pressure plate 3 in an adhesive manner, the spaced struts 4 are inserted into the strut sleeve 15 in an interference fit manner, the spaced struts 4 can be freely cut according to a required length, and the spacing between the bottom tablet receiving tray 1, the spaced tablet receiving tray 2 and the pressure plate 3 is adjusted.
As shown in fig. 3, the lower surface of the bottom powder-bearing plate 1 is connected with a supporting plate 5 through a plurality of damping springs 16, the damping springs 16 are used for buffering the pressure between the supporting plate 5 and the bottom powder-bearing plate 1, the charging interval support is prevented from being excessively extruded, and the interval support rods 4 are bent and broken, the lower surface of the supporting plate 5 is fixedly bonded with a lime layer 6, the lime layer 6 can absorb the moisture existing at the bottom of the blast hole, and the moisture of the powder package 18 placed on the bottom powder-bearing plate 1 is prevented from being damped.
As shown in fig. 5, the upper surface middle part of pressure disk 3 is connected with push rod 7, the upper surface middle part welding of pressure disk 3 has push rod spliced pole 17, the outer wall of push rod spliced pole 17 is provided with the external screw thread, and push rod spliced pole 17 passes through threaded connection with the lower extreme of push rod 7, when powder charge interval support inserts the big gun hole inside completely, break away from with push rod spliced pole 17 through twisting back push rod 7, can take push rod 7 out, the upper surface setting of push rod 7 perpendicular pressure disk 3, and the outer wall of push rod 7 is equipped with scale mark 8, observe according to the scale mark 8 that sets up push rod 7 outer wall, can know the degree of depth that powder charge interval support got into big gun hole inside.
Referring to fig. 6 and 7, the explosive package 18 is placed on the upper surface of the bottom explosive-receiving plate 1 and the interval explosive-receiving plate 2, when the roller 13 is in rolling contact with the inner wall of the blast hole, the wheel seat support rod 10 is pressed into the inner cavity 9 of the spring, the interval support rod 4 inserted into the support rod sleeve 15 clamps the outer wall of the explosive package 18 tightly, the explosive package 18 is limited and deviated, the interval explosive-receiving plate 2 and the pressure plate 3 are both provided with through holes 19 which penetrate through the upper surface and the lower surface, and a guide cable for igniting the explosive package 18 penetrates through the through holes 19.
The working principle is as follows: when the utility model is used for charging, the bottom medicine bearing plate 1 is arranged at the bottommost part, the medicine bag 18 is arranged on the upper surface of the bottom medicine bearing plate 1, according to the required spacing distance, the length of the spacing support rods 4 is cut, the four spacing support rods 4 are inserted into support rod sleeves 15 arranged on the bottom medicine-bearing disc 1 and the spacing medicine-bearing discs 2 in an interference fit manner, the bottom medicine-bearing disc 1 and the spacing medicine-bearing discs 2 are connected, and similarly, the spacing support rods 4 are sequentially connected with the plurality of spacing medicine-bearing discs 2, and the explosive bag 18 is arranged on the upper surface of the spacing explosive bearing disk 2, finally the pressure plate 3 is connected to the uppermost end through the spacing support rod 4, the explosive filling spacing bracket formed by connection is inserted along the blast hole, in the process of insertion, under the action of a compression spring 14, the wheel seat supporting rod 10 is ejected outwards, so that the roller 13 arranged on the outermost side is in rolling contact with the inner wall of the blast hole, and the explosive charging spacing bracket is conveniently pushed towards the inside of the blast hole; the explosive loading spacing bracket formed by splicing the bottom explosive bearing plate 1, the spacing explosive bearing plate 2, the pressure plate 3 and the spacing support rod 4 protects the explosive package 18 from being guided to the interior of the blast hole, so that the abrasion caused by the contact of the explosive package 18 and the inner wall of the blast hole is avoided; the explosive loading spacing support is pushed towards the inside of the blast hole through the push rod 7, the depth of the explosive loading spacing support entering the inside of the blast hole can be known according to the scale mark 8 arranged on the outer wall of the push rod 7, and when the explosive loading spacing support is completely inserted into the blast hole, the push rod 7 is twisted to be separated from the push rod connecting column 17, so that the push rod 7 can be pulled out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a radial air interval charging means of open-air step blasting, includes by the end hold powder tray (1), the interval holds powder tray (2), pressure disk (3) and interval branch (4) the powder charge interval support that constitutes, its characterized in that: a bottom drug-bearing disc (1) in the drug-loading spacing support is arranged at the bottommost part, a plurality of spaced drug-bearing discs (2) are arranged above the bottom drug-bearing disc (1), a pressure plate (3) is arranged at the topmost part, four spring inner cavities (9) are respectively arranged on the outer arc-shaped walls of the bottom drug-bearing disc (1), the spaced drug-bearing discs (2) and the pressure plate (3), wheel seat supporting rods (10) are inserted in the spring inner cavities (9) in a sliding manner, compression springs (14) are connected between the inner ends of the wheel seat supporting rods (10) and the inner parts of the spring inner cavities (9), supporting blocks (11) are integrally formed at the outer ends of the wheel seat supporting rods (10), wheel seats (12) are arranged on the outer side walls of the supporting blocks (11), rolling wheels (13) are rotatably connected on the wheel seats (12), and supporting discs (5) are connected to the lower surface of the bottom drug-bearing disc (1) through a plurality of damping springs (16), the lower surface of supporting disk (5) is fixed with lime layer (6) in the bonding, the upper surface middle part of pressure disk (3) is connected with push rod (7), hugs closely the upper surface that end held batch pan (1) and interval held batch pan (2) all is provided with cartridge bag (18), and interval branch (4) of connecting end held batch pan (1), interval held batch pan (2) and pressure disk (3) tightly press from both sides the outer wall of cartridge bag (18).
2. The open bench blasting radial air space charge of claim 1, wherein: the slotting direction of the spring inner cavities (9) points to the central axis of the bottom medicine bearing plate (1), the spaced medicine bearing plates (2) and the pressure plate (3), and the four spring inner cavities (9) are distributed at intervals of 90 degrees.
3. The open bench blasting radial air space charge of claim 1, wherein: the rolling direction of the roller (13) is the same as the central axis direction of the bottom medicine bearing plate (1), the interval medicine bearing plates (2) and the pressure plate (3), and the roller (13) is arranged on the outermost side.
4. The open bench blasting radial air space charge of claim 1, wherein: the bottom explosive-receiving plate (1), the interval explosive-receiving plates (2) and the pressure plate (3) are all disc bodies with the same diameter, and the bottom explosive-receiving plates (1), the interval explosive-receiving plates (2) and the pressure plate (3) are coaxially arranged and distributed.
5. The open bench blasting radial air space charge of claim 1, wherein: the upper surface of a supporting block (11) arranged in the bottom medicine bearing disc (1), the upper surface and the lower surface of the supporting block (11) arranged in the interval medicine bearing disc (2) and the lower surface of the supporting block (11) arranged in the pressure plate (3) are fixedly bonded with a supporting rod sleeve (15), the supporting rod sleeves (15) arranged among the bottom medicine bearing disc (1), the interval medicine bearing disc (2) and the pressure plate (3) are correspondingly connected through interval supporting rods (4), and the interval supporting rods (4) are inserted in the supporting rod sleeves (15) in an interference fit mode.
6. The open bench blasting radial air space charge of claim 1, wherein: the upper surface middle part welding of pressure disk (3) has push rod spliced pole (17), and the outer wall of push rod spliced pole (17) is provided with the external screw thread, and the lower extreme of push rod spliced pole (17) and push rod (7) passes through threaded connection.
7. The open bench blasting radial air space charge of claim 1, wherein: the push rod (7) is perpendicular to the upper surface of the pressing plate (3), and the outer wall of the push rod (7) is provided with scale marks (8).
8. The open bench blasting radial air space charge of claim 1, wherein: the interval medicine bearing plate (2) and the pressure plate (3) are both provided with through holes (19) penetrating through the upper surface and the lower surface, the medicine bag (18) is connected with a guide rope, and the guide rope penetrates through the through holes (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921246270.5U CN210321460U (en) | 2019-08-03 | 2019-08-03 | Open bench blasting radial air space charging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921246270.5U CN210321460U (en) | 2019-08-03 | 2019-08-03 | Open bench blasting radial air space charging device |
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| Publication Number | Publication Date |
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| CN210321460U true CN210321460U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921246270.5U Active CN210321460U (en) | 2019-08-03 | 2019-08-03 | Open bench blasting radial air space charging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332867A (en) * | 2019-08-03 | 2019-10-15 | 贵州久远爆破工程有限责任公司 | A kind of air bench blasting radial air interval charging device |
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2019
- 2019-08-03 CN CN201921246270.5U patent/CN210321460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332867A (en) * | 2019-08-03 | 2019-10-15 | 贵州久远爆破工程有限责任公司 | A kind of air bench blasting radial air interval charging device |
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