CN219914206U - Pre-buried device of plain noodles blasting structure - Google Patents
Pre-buried device of plain noodles blasting structure Download PDFInfo
- Publication number
- CN219914206U CN219914206U CN202321099675.7U CN202321099675U CN219914206U CN 219914206 U CN219914206 U CN 219914206U CN 202321099675 U CN202321099675 U CN 202321099675U CN 219914206 U CN219914206 U CN 219914206U
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- CN
- China
- Prior art keywords
- cylinder body
- accommodating cylinder
- blasting structure
- smooth
- structure pre
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Links
- 238000005422 blasting Methods 0.000 title claims abstract description 19
- 235000009537 plain noodles Nutrition 0.000 title description 3
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 4
- 238000004880 explosion Methods 0.000 description 11
- 239000002360 explosive Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000003721 gunpowder Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model provides a smooth blasting structure pre-burying device which comprises a placing cylinder body, wherein a plurality of pushing plates are arranged on the outer side of the placing cylinder body, the pushing plates are connected through screw threads, one end of a screw far away from the pushing plates is connected to the placing cylinder body in a rotating mode, a gear is arranged at the end of the screw, a rotary drum is connected to the outer side of the placing cylinder body in a rotating mode, a rack is arranged on one side of the rotary drum, and the rack is meshed with the gear.
Description
Technical Field
The utility model relates to the technical field of tunnel engineering blasting, in particular to a smooth blasting structure pre-burying device.
Background
Smooth blasting is a controlled blasting technique in which the new wall surface that is blasted remains flat and is not significantly damaged. The method is characterized in that a row of smooth blastholes with hole pitch matched with the minimum resistance line are drilled on a designed excavation contour line, uncoupled charge or other special charge structures are adopted, and after the main body of the excavation is blasted, the charges in the smooth blastholes are blasted simultaneously, so that a smooth and flat excavation surface penetrating through the smooth blastholes is formed.
The existing blasting pre-buried structure is directly buried after the ground is perforated, and because the uncoupled charge is adopted, namely the diameter of the explosive is smaller than the diameter of the blast hole, a gap is reserved between the explosive and the wall of the blast hole. However, such blasting has problems: the gunpowder is inflammable and explosive, and is in direct contact with underground substances to generate phenomena such as damp or special reaction, so that the gunpowder is difficult to detonate normally or cause early explosion accidents.
Disclosure of Invention
The utility model provides a smooth blasting structure pre-burying device, which aims to: solves the problems of wetting or special reaction caused by direct contact of gunpowder and underground substances.
The embodiment of the utility model is realized by the following technical scheme:
the utility model provides a smooth blasting structure pre-buried device, includes the settling cylinder, the settling cylinder outside is provided with a plurality of push pedal, the push pedal passes through screw threaded connection, the one end that the push pedal was kept away from to the screw is rotated and is connected settling cylinder to be provided with the gear at the screw tip, settling cylinder external rotation is connected with the rotary drum, one side of rotary drum is provided with the rack, rack and gear engagement.
Further, the push plate is provided with a guiding telescopic rod at one end far away from the screw rod, and one end of the guiding telescopic rod far away from the push plate is slidably connected inside the accommodating cylinder body.
Further, the screw rod includes one section screw thread face and one section smooth surface, screw thread face and push pedal threaded connection, it is connected with the lantern ring to rotate on the smooth surface, lantern ring both ends fixed mounting is on settling cylinder.
Furthermore, a layer of foam is arranged on the outer side of the push plate.
Further, a ratchet structure is arranged between the arranging barrel and the rotating drum, and comprises a ratchet gear arranged on the inner side of the rotating drum, a pawl arranged on the arranging barrel and a spring plate arranged on the pawl.
Further, a layer of water-absorbing resin is arranged in the accommodating cylinder.
Further, a cover plate is arranged at the port of the accommodating cylinder body, and a sealing ring is arranged between the cover plate and the accommodating cylinder body.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
the device is integrally placed in the light explosion hole, the rotary drum is continuously rotated until the push plate is tightly attached to the inner wall of the light explosion hole to form a support, the explosive is supported at the center of the light explosion hole and is not contacted with the top wall and the bottom of the light explosion hole, and the phenomena that the explosive is in direct contact with underground substances and is damped or generates special reaction and the like are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2A;
FIG. 4 is a side cross-sectional view of the present utility model;
fig. 5 is an enlarged view of B in fig. 4.
Icon: 1-arranging a cylinder, 2-cover plates, 3-rotating cylinders, 4-screws, 5-pushing plates, 6-foam, 7-lantern rings, 8-ratchet gears, 9-pawls, 10-elastic sheets, 11-racks, 12-gears, 13-guiding telescopic rods, 14-absorbent resin and 15-sealing rings.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
The utility model provides a pre-buried device of plain noodles blasting structure, is including being used for placing the settling cylinder 1 of explosive, settling cylinder 1 port department is provided with apron 2, be provided with sealing washer 15 between apron 2 and the settling cylinder 1, settling cylinder 1 is connected with rotary drum 3 through the ratchet structure, and rotary drum 3 is connected in circumference rotation with settling cylinder 1.
The ratchet structure comprises a ratchet wheel 8 arranged on the inner side of the rotary drum 3, a pawl 9 arranged on the accommodating cylinder body 1 and an elastic sheet 10 arranged on the pawl 9, wherein an annular groove is formed in the side face of the accommodating cylinder body 1, the ratchet wheel 8 exceeds the inner diameter of the rotary drum 3 and is positioned in the annular groove, the pawl 9 and a metal elastic sheet 10 arranged on the side face of the pawl 9 are arranged on the inner wall of the annular groove, the elastic sheet 10 is wholly of a V shape, one side of the elastic sheet is fixed on the pawl 9, the other side of the elastic sheet is fixed in the annular groove, and two side edges of the V shape have certain elasticity. As shown in fig. 2 and 3, when the drum 3 rotates counterclockwise, the elastic sheet 10 can be compressed to rotate, but when the drum rotates clockwise, the ratchet gear 8 and the pawl 9 are blocked, so that the drum 3 cannot rotate. The ratchet arrangement allows the drum 3 to rotate only in one direction on the installation cylinder 1.
An annular rack 11 is arranged on one side surface of the rotary drum 3, a plurality of pushing plates 5 are arranged on the outer side of the accommodating cylinder body 1, the pushing plates 5 are in threaded connection through screw rods 4, one ends of the screw rods 4 far away from the pushing plates 5 are rotationally connected with the accommodating cylinder body 1, gears 12 are arranged at the end parts of the screw rods 4, the rotary drum 3 is rotationally connected with the outer side of the accommodating cylinder body 1, and the rack 11 is meshed with the gears 12. The push plate 5 is provided with a guiding telescopic rod 13 at one end far away from the screw 4, and the guiding telescopic rod 13 is slidingly connected with one end far away from the push plate 5 inside the accommodating cylinder body 1.
The rotation of rotary drum 3 makes rack 11 drive gear 12 rotation, and gear 12 rotates and makes screw rod 4 rotate, and screw rod 4 and push pedal 5 be threaded connection, under the restriction of direction telescopic link 13, and the drive of rotary drum 3 makes push pedal 5 abduction and adduction, because ratchet makes rotary drum 3 only can unidirectional rotation, push pedal 5 can only realize abduction in rotary drum 3 rotation.
The utility model is a disposable structure, the push plate 5 is in a contracted state before use, after explosive is filled in the push plate, the whole device is put into the light explosion hole, the rotary drum 3 is continuously rotated until the push plate 5 is tightly attached to the inner wall of the light explosion hole to form a support, the explosive is supported in the center of the light explosion hole and is not contacted with the top wall and the bottom of the light explosion hole, and the phenomena of being affected with damp or generating special reaction and the like caused by direct contact with underground substances are reduced.
A layer of water-absorbing resin 14 is arranged inside the accommodating cylinder 1, and the occurrence of the phenomenon of moisture is further reduced by the water-absorbing resin 14.
And a layer of foam 6 is arranged on the outer side of the push plate 5 and used for solving the problem that the push plate 5 cannot abut against the inner wall of the light explosion hole as many as possible due to the fact that the light explosion hole is out of round.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a smooth blasting structure pre-buried device which characterized in that: including settling barrel (1), settle barrel (1) outside and be provided with a plurality of push pedal (5), push pedal (5) pass through screw rod (4) threaded connection, the one end rotation that push pedal (5) was kept away from to screw rod (4) is connected settle barrel (1) to be provided with gear (12) at screw rod (4) tip, settle barrel (1) external rotation and be connected with rotary drum (3), one side of rotary drum (3) is provided with rack (11), rack (11) and gear (12) meshing.
2. The smooth blasting structure pre-burying device according to claim 1, wherein: one end of the push plate (5) far away from the screw rod (4) is provided with a guiding telescopic rod (13), and one end of the guiding telescopic rod (13) far away from the push plate (5) is slidably connected inside the accommodating cylinder body (1).
3. The smooth blasting structure pre-burying device according to claim 1, wherein: the screw rod (4) comprises a section of thread surface and a section of smooth surface, the thread surface is in threaded connection with the push plate (5), a lantern ring (7) is rotationally connected to the smooth surface, and two ends of the lantern ring (7) are fixedly arranged on the accommodating cylinder body (1).
4. The smooth blasting structure pre-burying device according to claim 1, wherein: and a layer of foam (6) is arranged on the outer side of the push plate (5).
5. The smooth blasting structure pre-burying device according to claim 1, wherein: the ratchet structure is arranged between the accommodating cylinder body (1) and the rotating cylinder (3), and comprises a ratchet gear (8) arranged on the inner side of the rotating cylinder (3), a pawl (9) arranged on the accommodating cylinder body (1) and a spring piece (10) arranged on the pawl (9).
6. The smooth blasting structure pre-burying device according to claim 1, wherein: a layer of water-absorbing resin (14) is arranged in the accommodating cylinder body (1).
7. The smooth blasting structure pre-burying device according to claim 1, wherein: the sealing device is characterized in that a cover plate (2) is arranged at the port of the accommodating cylinder body (1), and a sealing ring (15) is arranged between the cover plate (2) and the accommodating cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321099675.7U CN219914206U (en) | 2023-05-09 | 2023-05-09 | Pre-buried device of plain noodles blasting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321099675.7U CN219914206U (en) | 2023-05-09 | 2023-05-09 | Pre-buried device of plain noodles blasting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914206U true CN219914206U (en) | 2023-10-27 |
Family
ID=88467928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321099675.7U Active CN219914206U (en) | 2023-05-09 | 2023-05-09 | Pre-buried device of plain noodles blasting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914206U (en) |
-
2023
- 2023-05-09 CN CN202321099675.7U patent/CN219914206U/en active Active
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