CN210346497U - Joint powder charge smooth blasting device of joint cutting cartridge bag and air interval - Google Patents
Joint powder charge smooth blasting device of joint cutting cartridge bag and air interval Download PDFInfo
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- CN210346497U CN210346497U CN201921279404.3U CN201921279404U CN210346497U CN 210346497 U CN210346497 U CN 210346497U CN 201921279404 U CN201921279404 U CN 201921279404U CN 210346497 U CN210346497 U CN 210346497U
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Abstract
The utility model discloses a joint-cutting cartridge bag and air interval combined charge plain noodles demolition unit, concretely relates to blasting engineering field, including body, butt joint, cartridge fixing hole, supplementary propelling movement lid, take off seam ring, foot line protection mouth and strengthen the lid, the inside air post that is provided with of body, and the inside air post one side that is close to of body is provided with the powder charge section. The utility model discloses in through overall design, be favorable to realizing the regular excavation in coal mine tunnel, perhaps other fields that need to bore the method excavation tunnel, control the problem that the tunnel wall overexcavated the underexcavation to reach the effect that makes the tunnel periphery level and smooth, improve the big gun hole utilization ratio simultaneously, alleviate the vibrations destructive effect to the rock mass on every side, this design has improved powder charge difficulty, the problem of being of a specified duration consuming time, the integrated device simple structure, and convenient operation, occupation space is little, has extensive practicality.
Description
Technical Field
The utility model relates to a blasting engineering technical field, more specifically say, the utility model relates to a joint charge plain noodles blasting unit of joint-cutting cartridge bag and air space.
Background
The hard rock roadway excavation method adopted in the production of railways, subways and coal mines mainly comprises a drilling blasting method (drilling blasting method for short); a construction method of a boring machine using a large-sized mechanical device such as a cantilever boring machine, a shield machine, or a full face hard rock boring machine (TBM).
Aiming at the field situation of coal mine exploitation at present, the drilling and blasting method occupies a larger proportion. The drilling and blasting method is characterized in that a rock drill is used for drilling holes and breaking rocks by using explosives, the utilization rate of blast holes is low in the construction process, the smooth blasting effect is difficult to ensure, and the current main problem is that blasting vibration has great influence on surrounding rocks.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a joint charge plain blasting device of joint-cutting cartridge bag and air space, through the global design, be favorable to realizing the regular excavation in coal mine tunnel, perhaps other fields that need bore the explosion method excavation tunnel, control the problem that the tunnel wall overexcavated the undermining, in order to reach the peripheral smooth effect that levels in messenger's tunnel, improve the blasthole utilization ratio simultaneously, alleviate the vibrations destructive effect to around rock mass, this design has improved the powder charge difficulty, problem of consuming time for a long time, the global device simple structure, high durability and convenient operation, and small space occupation, and wide practicality is realized.
In order to achieve the above object, the utility model provides a following technical scheme: a joint-cutting explosive charge and air interval combined charging smooth blasting device comprises a pipe body, butt seams, explosive charge fixing holes, an auxiliary pushing cover, a seam uncovering ring, a leg wire protection opening and a reinforcing cover, wherein an air column is arranged inside the pipe body, and a charging section is arranged on one side, close to the air column, inside the pipe body;
an auxiliary pushing cover is mounted at one end, close to the air column, of the pipe body and is connected with the pipe body in a clamping mode, a protruding head is arranged at one end, close to the powder charging section, of the pipe body, a reinforcing cover is mounted on one side of the protruding head in a matched mode, and a groove is formed in the port of the reinforcing cover;
the utility model discloses a medical instrument, including body, coupling assembling, cartridge, fixing needle, butt seam one end fixedly connected with take off the seam ring, the body outside has coupling assembling, the body outside is close to coupling assembling one side and has seted up the cartridge fixed orifices, cartridge fixed orifices top adaptation is installed to cartridge fixed orifices top, the body outside is close to cartridge fixed orifices one side and is provided with the butt seam, the inside slot that is provided with of butt seam, slot one end fixedly connected with takes off the seam ring, the body outside is close to butt seam one side and has seted up foot line protection mouth, the slot.
In a preferred embodiment, the connection assembly includes a connection end portion therein, and one side of the connection end portion is provided with a first ferrule and the other side of the connection end portion is provided with a second ferrule.
In a preferred embodiment, the projection of the tubular body is connected to the recess of the reinforcing cap by means of a snap-fit.
In a preferred embodiment, two groups of butt seams, seam uncovering rings and seam grooves are symmetrically arranged.
In a preferred embodiment, the outer diameter of the upper part of the auxiliary pushing cover is the same as the inner diameter of the air column, and the lower part of the auxiliary pushing cover is slightly larger than the pushing disk part.
In a preferred embodiment, the connecting end is integrally formed with a first ferrule and a second ferrule, respectively, both of which are of semicircular structural design.
The utility model discloses a technological effect and advantage:
1. the utility model discloses in through overall design, be favorable to realizing the regular excavation of coal mine tunnel, perhaps other fields that need to bore and explode the method excavation tunnel, control the problem that the tunnel wall overruns and is underexcavated to reach the effect that makes the tunnel periphery level and smooth, improve the blasthole utilization ratio simultaneously, alleviate the vibrations destruction effect to the surrounding rock mass, this design has improved the problem of powder charge difficulty, consuming time for a long time, the overall structure is simple, convenient operation, occupation space is little, has extensive practicality;
2. the utility model discloses in through having set up coupling assembling, wherein connecting end respectively with first cutting ferrule and second cutting ferrule integrated into one piece, first cutting ferrule and second cutting ferrule are semi-circular structural design in addition, then can be quick carry out the block with the different body of multiunit and connect, guaranteed the relative stability between a plurality of bodys for a plurality of bodys can be neatly orderly put together, have facilitated people to carry the transportation, provide higher transportation convenience.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.
Fig. 3 is a schematic structural view of the middle connection assembly of the present invention.
The reference signs are: 1. a pipe body; 2. butt-sewing; 3. a cartridge fixing hole; 4. an auxiliary push cap; 5. uncovering the seam ring; 6. a foot line protection port; 7. a reinforcing cover; 8. slotting; 9. a fixing pin; 10. an air column; 11. a raised head; 12. a groove; 13. a charging section; 14. a connecting assembly; 15. a connecting end portion; 16. a first ferrule; 17. and a second ferrule.
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.
The joint-cutting explosive charge and air interval combined charging smooth blasting device shown in the attached drawings 1, 2 and 3 comprises a pipe body 1, a butt joint 2, an explosive charge fixing hole 3, an auxiliary pushing cover 4, a joint uncovering ring 5, a leg wire protection opening 6 and a reinforcing cover 7, wherein an air column 10 is arranged inside the pipe body 1, and a charging section 13 is arranged on one side, close to the air column 10, inside the pipe body 1;
an auxiliary pushing cover 4 is mounted at one end, close to the air column 10, of the pipe body 1, the auxiliary pushing cover 4 is connected with the pipe body 1 in a clamping mode, a raised head 11 is arranged at one end, close to the powder charging section 13, of the pipe body 1, a reinforcing cover 7 is mounted on one side of the raised head 11 in a matched mode, and a groove 12 is formed in the position of a port of the reinforcing cover 7;
the connecting assembly 14 is sleeved outside the pipe body 1, a cartridge fixing hole 3 is formed in one side, close to the connecting assembly 14, of the outside of the pipe body 1, a fixing needle 9 is installed above the cartridge fixing hole 3 in a matched mode, a butt seam 2 is arranged on one side, close to the cartridge fixing hole 3, of the outside of the pipe body 1, a seam groove 8 is formed in the butt seam 2, one end of the seam groove 8 is fixedly connected with a seam uncovering ring 5, a foot line protecting opening 6 is formed in one side, close to the butt seam 2, of the outside of the pipe body 1, and the seam groove 8 is a weak strip carved on the pipe body 1;
the raised head 11 on the pipe body 1 is connected with the groove 12 on the reinforcing cover 7 in a clamping mode;
two groups of butt seams 2, seam uncovering rings 5 and seam slots 8 are symmetrically arranged;
the outer diameter of the upper part of the auxiliary pushing cover 4 is the same as the inner diameter of the air column 10, and the pushing disc part of the lower part of the auxiliary pushing cover 4 is slightly larger.
The specific implementation mode is as follows: wherein, the two seam uncovering rings 5 are respectively positioned at two symmetrical sides of the tube body 1, the seam groove 8 is connected with the seam uncovering rings 5, the seam groove 8 is a weak strip carved on the tube body 1, the seam grooves 8 at two sides of the tube body 1 can be taken down to obtain the butt seam 2 when the seam uncovering rings 5 are pulled forcefully, and the length of the butt seam 2 can be taken out of seams with different lengths according to the medicine loading amount. When the device is used, only emulsion explosive is filled into the tube, an important foot line protecting port 6 is needed to be arranged at one end with a reinforcing cover 7, the head is provided with an important foot line protecting port 6 besides the reinforcing cover 7, when the explosive is filled, special attention is needed to be paid to pulling out the foot line of the detonator from the protecting port to avoid the phenomenon that the foot line of the detonator is damaged and refused to explode when the reinforcing cover 7 is covered and the device is sent into a blast hole, the reinforcing cover 7 is connected with the head of the tube body 1, the head can be buckled into the head when the device is used, the function of the head is the same as that of a cumulative cavity on the detonator, when detonation products generated by explosive explosion are gathered on the axis and transmitted to the reinforcing cover 7, the head can be gathered into a cumulative flow with high speed and pressure, the damage and throwing action on the bottom rock are enhanced, and the reinforcing cover 7 also has another reinforcing action, when the hole has a downward inclination angle, the device is buckled into the end head when pushing the device into the hole, so that the explosive can be prevented from sliding out of the device, a row of cartridge fixing holes 3 which can be directly pressed inwards are formed in the side surface of the slot 8, the fixing needle 9 is matched for use, when the blast hole has an elevation angle, the cartridge fixing hole 3 at the tail end position of explosive charge can be found by the fixing needle 9 and is inserted into the hole, and the explosive is prevented from sliding to one end of the air column 10 to influence the blasting effect.
With reference to the overall structure diagram shown in fig. 1, the powder charging section 13 is composed of an upper section of a pipe body 1, a butt seam 2, a cartridge fixing hole 3, a seam uncovering ring 5, a leg wire protection opening 6, a reinforcing cover 7 and a fixing needle 9, the integral connecting part between the seam ripping ring 5 and the leg wire protecting opening 6 is not provided with any cutting opening, mainly aiming at improving the integral rigidity of the charging section 13, a matched raised head 11 and a matched groove 12 are arranged at the interface of the leg wire protecting opening 6 and the reinforcing cover 7, the end foot line protecting opening 6 is provided with a raised head 11, the bottom of the reinforcing cover 7 is provided with a groove 12, the groove 12 is buckled into the raised head 11 to realize connection when in use, the fixing needle 9 at the other end of the medicine charging section 13 is of a structure with a large middle part and two small ends, which plays a role of preventing the cartridge from sliding into the air column 10, when in use, the fixing needle 9 is inserted into the cartridge fixing hole 3, and the middle part of the needle is relatively large, so that the needle cannot fall off without external force after being inserted. Except the charging section 13, the air column 10 is used, the part is not charged when in use, detonation products are firstly homogenized in the air column 10 during blasting, the bottom of the air column 10 is provided with the auxiliary pushing cover 4, and the auxiliary pushing cover 4 is required to cover the bottom of a pipe and smoothly feed the device into the bottom of the hole by a gun rod because the resistance of the wall of the hole is large when the device is loaded into a blast hole and the device is not easily put into the hole.
In addition, the bottom of the reinforcing cover 7 is a groove 12 with the diameter equivalent to that of the end of the pipe body 1 and is used for being connected with a raised head 11 of the pipe body 1, the head of the reinforcing cover is an energy-gathering hole which is concave into the pipe body 1, the explosive can be protected from being exposed, energy-gathering flow can be generated, further, the rock at the bottom of the hole can be damaged, the explosive roll fixing hole 3 is mainly matched with the reinforcing cover 7 for use, the effect is to fix the explosive roll at the butt joint 2, and the explosive roll is prevented from sliding to the air column 10 to be locally prevented from being detonated or the directional fracture capability is greatly weakened. The auxiliary pushing cover 4 can conveniently and quickly feed the device to the bottom of the hole by means of foreign objects when the device enters the hole, otherwise, the circulating footage can be greatly reduced when the powder is not filled in place, and the purpose of improvement cannot be achieved.
Wherein, the butt seam 2 is provided with a seam uncovering ring 5 and a seam groove 8, the seam uncovering ring 5 can be pulled along the seam groove 8 according to the charge length to obtain the butt seam 2, and then the butt seam is cut by an electrician knife; for the auxiliary push cover 4, the outer diameter of the upper part is as large as the inner diameter of the air column 10, but the lower circular disc part is slightly larger, so that the auxiliary push cover is prevented from completely falling into the air column 10.
The lancing explosive package and air interval combined charging smooth blasting device shown in fig. 1, fig. 2 and fig. 3 further comprises a connecting assembly 14, wherein a pipe body 1 is arranged on one side of the connecting assembly 14, a connecting end part 15 is arranged in the connecting assembly 14, a first cutting sleeve 16 is arranged on one side of the connecting end part 15, and a second cutting sleeve 17 is arranged on the other side of the connecting end part 15;
the connecting end portion 15 is integrally formed with a first cutting sleeve 16 and a second cutting sleeve 17 respectively, and the first cutting sleeve 16 and the second cutting sleeve 17 are both designed in a semicircular structure.
The specific implementation mode is as follows: first cutting ferrule 16 and second cutting ferrule 17 are the semi-circular structure design, with first cutting ferrule 16 card in one of them a set of body 1's outside, with second cutting ferrule 17 card in another set of body 1's outside, then can be quick carry out the block with the body 1 of multiunit difference and connect, guaranteed the relative stability between a plurality of bodys 1 for a plurality of bodys 1 can neatly and orderly put together, have made things convenient for people to carry the transportation.
The utility model discloses the theory of operation:
referring to the attached drawings 1 and 2 in the specification, through the integral design, the seam 2 is just acted in the work direction of the explosion energy, so that the balance of the initial stage of action of the explosion products on the blast hole wall is changed, stress concentration is formed in the directional direction, a directional crack is formed in the directional direction, and the process of forming the directional crack can be divided into two stages: in the initial explosion stage, before uniform pressure is not formed in the inner cavity of the pipe body 1, pre-cracks are generated in the directional direction under the action of explosion shock waves, then the cracks are further expanded under the action of the pressure of explosive gas, and simultaneously, under the combined action of the air column 10, the explosive device has the advantages of homogenizing explosive energy, stabilizing explosive detonation velocity, balancing explosive detonation pressure, increasing explosive product energy flow density in the crack 2 direction by the explosive section 13 on the pipe body 1, inhibiting crack expansion in the non-crack 2 direction, enabling the rock to be stressed uniformly and enabling the broken block size to be consistent after homogenizing explosive product energy flow density in the air column 10, preventing the explosive from exposing the pipe body 1 during charge in a downward hole for influencing the explosive effect, converging energy flow with high speed and pressure during explosive explosion, strengthening damage and throwing action on hole bottom rocks, and greatly improving the single-cycle advancing rule of explosion, the device is beneficial to realizing regular excavation of a coal mine tunnel or other fields needing drilling and blasting to excavate the tunnel to control the problem of overexcavation and underexcavation of the tunnel wall so as to achieve the effect of making the periphery of the tunnel smooth and flat, simultaneously improve the utilization rate of blastholes and lighten the vibration damage effect on surrounding rock masses, and the device improves the problems of difficult charging and long time consumption;
referring to description figure 1 and figure 3, through having set up coupling assembling 14, wherein connection end 15 respectively with first cutting ferrule 16 and second cutting ferrule 17 integrated into one piece, first cutting ferrule 16 and second cutting ferrule 17 are semi-circular structural design in addition, with first cutting ferrule 16 card in the outside of one of them group body 1, with second cutting ferrule 17 card in the outside of another group body 1, then can be quick carry out the block with the body 1 of multiunit difference and connect, the relative stability between a plurality of body 1 has been guaranteed, make a plurality of body 1 can neatly and orderly put together, people have been facilitated carry the transportation, higher transportation convenience is provided.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a joint charge smooth blasting unit of slot cartridge bag and air interval, includes body (1), its characterized in that: an air column (10) is arranged inside the tube body (1), and a powder charging section (13) is arranged on one side, close to the air column (10), inside the tube body (1); an auxiliary pushing cover (4) is mounted at one end, close to the air column (10), of the pipe body (1), the auxiliary pushing cover (4) is connected with the pipe body (1) in a clamping mode, a raised head (11) is arranged at one end, close to the powder charging section (13), of the pipe body (1), a reinforcing cover (7) is mounted on one side of the raised head (11) in a matched mode, and a groove (12) is formed in the port position of the reinforcing cover (7); body (1) outside cover has coupling assembling (14), body (1) outside is close to coupling assembling (14) one side and has seted up cartridge fixed orifices (3), fixed needle (9) are installed to cartridge fixed orifices (3) top adaptation, body (1) outside is close to cartridge fixed orifices (3) one side and is provided with butt joint (2), butt joint (2) inside is provided with slot (8), slot (8) one end fixedly connected with takes off seam ring (5), body (1) outside is close to butt joint (2) one side and has seted up foot line protection mouth (6), slot (8) are the weak strip of carving out on body (1).
2. The split explosive and air space combined charge smooth blasting device according to claim 1, wherein: the connecting component (14) is internally provided with a connecting end part (15), one side of the connecting end part (15) is provided with a first clamping sleeve (16), and the other side of the connecting end part (15) is provided with a second clamping sleeve (17).
3. The split explosive and air space combined charge smooth blasting device according to claim 1, wherein: the raised head (11) on the pipe body (1) is connected with the groove (12) on the reinforcing cover (7) in a clamping mode.
4. The split explosive and air space combined charge smooth blasting device according to claim 1, wherein: two groups of butt seams (2), seam uncovering rings (5) and seam grooves (8) are symmetrically arranged.
5. The split explosive and air space combined charge smooth blasting device according to claim 1, wherein: the outer diameter of the upper part of the auxiliary pushing cover (4) is the same as the inner diameter of the air column (10), and the pushing disc part of the lower part of the auxiliary pushing cover (4) is slightly larger.
6. The lancing explosive cartridge and air space combined charge smooth blasting device according to claim 2, wherein: the connecting end portion (15) is integrally formed with the first clamping sleeve (16) and the second clamping sleeve (17) respectively, and the first clamping sleeve (16) and the second clamping sleeve (17) are both designed in a semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279404.3U CN210346497U (en) | 2019-08-08 | 2019-08-08 | Joint powder charge smooth blasting device of joint cutting cartridge bag and air interval |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279404.3U CN210346497U (en) | 2019-08-08 | 2019-08-08 | Joint powder charge smooth blasting device of joint cutting cartridge bag and air interval |
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| CN210346497U true CN210346497U (en) | 2020-04-17 |
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| CN201921279404.3U Active CN210346497U (en) | 2019-08-08 | 2019-08-08 | Joint powder charge smooth blasting device of joint cutting cartridge bag and air interval |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504747A (en) * | 2020-05-06 | 2020-08-07 | 安徽理工大学 | Single-face annular joint-cutting energy-gathering explosive column, and indoor test and application |
| CN113932672A (en) * | 2021-10-25 | 2022-01-14 | 浙江秦核环境建设有限公司 | Mine blasting charging means |
-
2019
- 2019-08-08 CN CN201921279404.3U patent/CN210346497U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504747A (en) * | 2020-05-06 | 2020-08-07 | 安徽理工大学 | Single-face annular joint-cutting energy-gathering explosive column, and indoor test and application |
| CN113932672A (en) * | 2021-10-25 | 2022-01-14 | 浙江秦核环境建设有限公司 | Mine blasting charging means |
| CN113932672B (en) * | 2021-10-25 | 2023-02-24 | 浙江秦核环境建设有限公司 | Mine blasting charging means |
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