CN220018338U - Blast hole blocking device for small-diameter tunnel tunneling blasting construction - Google Patents
Blast hole blocking device for small-diameter tunnel tunneling blasting construction Download PDFInfo
- Publication number
- CN220018338U CN220018338U CN202321343160.7U CN202321343160U CN220018338U CN 220018338 U CN220018338 U CN 220018338U CN 202321343160 U CN202321343160 U CN 202321343160U CN 220018338 U CN220018338 U CN 220018338U
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- diameter
- small
- plate
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005422 blasting Methods 0.000 title claims abstract description 46
- 230000000903 blocking effect Effects 0.000 title claims abstract description 41
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 230000005641 tunneling Effects 0.000 title description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 238000009412 basement excavation Methods 0.000 claims 5
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 239000013589 supplement Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Earth Drilling (AREA)
Abstract
This small-diameter tunnel drivage blasting construction's big gun hole blocking device, including the big gun hole, the internally mounted of big gun hole has the terminal surface baffle, the opening one side fixed mounting who is close to the big gun hole of terminal surface baffle has the threaded rod, around installing the elasticity liquid bag on the threaded rod, the opening one side that is close to the big gun hole of elasticity liquid bag is pressed stifled mechanism on the threaded rod cooperation, the screw thread is pressed stifled mechanism and threaded rod screw-thread cooperation, the end department that keeps away from the terminal surface baffle of threaded rod installs fixed frame, press stifled mechanism and threaded rod and terminal surface baffle mutually support through the screw thread, provide the effect that first support was blocked through the terminal surface baffle, then press the rotation and the displacement production to the extrusion of elasticity liquid bag to the gap that the terminal surface baffle can't block up through the screw thread and supplement and pack, the jam quality to the big gun hole of small-diameter tunnel drivage blasting construction has been improved, thereby the blasting effect of small-diameter tunnel drivage blasting construction has been improved.
Description
Technical Field
The utility model relates to the technical field of blasting construction, in particular to a blast hole blocking device for small-diameter tunneling blasting construction.
Background
The small-diameter tunnel tunneling blasting construction generally adopts a drilling blasting method, and the drilling blasting method is still a main rock breaking means in small-diameter tunnel mining, because the construction machine is flexible and portable, the operation is easy, the maintenance is convenient, the energy consumption is low, the efficiency is high, the small-diameter tunnel tunneling blasting construction can be better adapted to rock drilling blasting operation, and in the rock drilling blasting operation, the technology of selecting the matched explosive varieties, blasting parameters and the like according to the physical and mechanical properties of the rock to be blasted is already mastered by a large number of blasters.
The blast hole is filled in the small-diameter tunnel blasting construction, so that the pressure of detonation gas on the hole wall can be increased, the time of the pressure effect is prolonged, the bursting degree and the throwing distance of rock are greatly improved, the blasting effect is improved, the materials in the engineering are often obtained locally at present, materials such as mud scraps are generally used as stemming to fill the blast hole, the operation is inconvenient, and the filling quality assurance is poor.
Therefore, in order to solve the defects in the prior art, it is necessary to provide a blast hole blocking device for small-diameter tunneling blasting construction.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a blast hole blocking device for small-diameter tunnel tunneling blasting construction, which is mutually matched with a threaded rod and an end face baffle through a threaded blocking pressing mechanism, provides a first supporting blocking effect through the end face baffle, and then generates extrusion of an elastic liquid bag through rotation and displacement of the threaded blocking pressing mechanism to supplement and fill gaps which cannot be blocked by the end face baffle, so that the blocking quality of the blast hole for small-diameter tunnel tunneling blasting construction is improved, and the blasting effect of small-diameter tunnel tunneling blasting construction is improved.
The above object of the present utility model is achieved by the following means.
The utility model provides a small-diameter tunnel tunnelling blasting construction's big gun hole blocking device, including the big gun hole, the internally mounted of big gun hole has the terminal surface baffle, and the opening side that is close to the big gun hole of terminal surface baffle is fixed mounting has the threaded rod, encircles on the threaded rod and installs the elasticity liquid bag, and the opening side that is close to the big gun hole of elasticity liquid bag is equipped with screw thread on the threaded rod and presses stifled mechanism, screw thread press stifled mechanism and threaded rod screw fit, and the end department that keeps away from the terminal surface baffle of threaded rod is installed fixed frame, fixed frame and screw thread press stifled mechanism rotate and install;
the screw thread is pressed stifled mechanism and is included the screwed pipe, and the screwed pipe spiral is installed in the outside of threaded rod, and the stripper plate is installed around the bottom of screwed pipe, and the top fixed mounting of stripper plate has the plunger, and the top of screwed pipe is installed and is revolved the screw head.
Specifically, the inner diameter of the blast hole, the diameter of the end face baffle plate, the diameter of the plunger and the diameter of the extrusion plate are all the same, and the diameter of the elastic liquid bag after extrusion is larger than the diameter of the blast hole.
Preferably, the distance between the bottom of the screwing end head and the fixed frame is D1, the vertical distance between the extrusion plate and the end face baffle is D2, and D1 and D2 meet the requirement that D1 is more than or equal to D2.
Specifically, the fixed frame comprises a fixed top plate and a fixed bottom plate, the fixed top plate is connected with the fixed bottom plate through a side plate, the bottom of the fixed top plate is fixedly arranged at the end, far away from the end face baffle, of the threaded rod, and the fixed bottom plate is rotatably arranged outside the threaded pipe.
Further, a fixed groove is formed in the fixed bottom plate, and an expansion bolt is arranged in the fixed groove.
Preferably, the end of the threaded rod remote from the end face baffle is coated with a length marking.
According to the utility model, the threaded pressing and blocking mechanism is matched with the threaded rod and the end face baffle, the end face baffle provides a first supporting and blocking function, and then the elastic liquid bag is extruded by rotation and displacement of the threaded pressing and blocking mechanism to supplement and fill gaps which cannot be blocked by the end face baffle, so that the blocking quality of blast holes in small-diameter tunnel tunneling and blasting construction is improved, and the blasting effect of the small-diameter tunnel tunneling and blasting construction is improved.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
Fig. 1 is a schematic perspective view of a blasthole plugging device for small-diameter tunnel tunneling blasting construction.
Fig. 2 is a schematic perspective view of a blast hole blocking device for small-diameter tunnel tunneling blasting construction, which is installed in a blast hole.
Fig. 3 is a schematic cross-sectional view of a blasthole plugging device for small-diameter tunnel boring blasting construction installed in a blasthole.
Fig. 4 is a schematic perspective view of a screw thread blocking mechanism of a blasthole blocking device for small-diameter tunnel tunneling blasting construction.
Fig. 5 is a schematic perspective view of the installation of the threaded rod, the end baffle and the elastic liquid bag of the blast hole blocking device for small-diameter tunnel tunneling blasting construction.
From fig. 1 to 5, it includes:
1. a blast hole;
2. an end face baffle;
3. a threaded rod;
4. an elastic fluid cell;
5. a thread blocking pressing mechanism;
51. a threaded pipe (52), a squeeze plate (53), a plunger (54) and a screwing end;
6. a fixed frame;
7. fixing the top plate;
8. a fixed bottom plate;
9. a side plate;
10. a fixing groove;
11. an expansion bolt;
12. length marking.
Detailed Description
The utility model will be further described with reference to the following examples.
Example 1.
As shown in fig. 1-5, a blast hole blocking device for small-diameter tunneling blasting construction comprises a blast hole 1, an end face baffle 2 is arranged in the blast hole 1, a threaded rod 3 is fixedly arranged on one side, close to the blast hole 1, of the end face baffle 2, an elastic liquid bag 4 is circumferentially arranged on the threaded rod 3, a thread blocking pressing mechanism 5 is matched and arranged on one side, close to the blast hole 1, of the threaded rod 3, the thread blocking pressing mechanism 5 is in spiral matching with the threaded rod 3, a fixed frame 6 is arranged at the end, far away from the end face baffle 2, of the threaded rod 3, and the fixed frame 6 and the thread blocking pressing mechanism 5 are rotatably arranged.
In the tunneling blasting of a small-diameter tunnel, the blast hole 1 is plugged by the utility model, the blast hole 1 is blocked by the end face baffle 2, the end face baffle 2 can be blocked by adopting a hard baffle, the end face baffle 2 extends to the outside of the blast hole 1 through the installation of the threaded rod 3, meanwhile, the thread blocking pressing mechanism 5 is in spiral fit with the threaded rod 3 to realize displacement, and simultaneously, the elastic liquid bag 4 is extruded by the end face baffle 2, so that the blocking area of the elastic liquid bag 4 is increased, thereby filling the gap which cannot be blocked by the hard end face baffle 2, improving the blasting effect of the tunneling blasting of the small-diameter tunnel, and the threaded rod 3 and the end face baffle 2 are fixedly installed on a rock stratum outside the opening of the blast hole 1 through the fixed frame 6.
The thread blocking pressing mechanism 5 comprises a thread pipe 51, the thread pipe 51 is arranged outside the threaded rod 3 in a spiral mode, an extrusion plate 52 is arranged at the bottom of the thread pipe 51 in a surrounding mode, a plunger 53 is fixedly arranged above the extrusion plate 52, and a screwing end 54 is arranged at the top of the thread pipe 51.
The screw thread is pressed stifled mechanism 5 carries out screw cooperation through screwed pipe 51 and threaded rod 3 and realizes the self displacement of screwed pipe 51, screwed pipe 51 encircles the outside of installing at threaded rod 3, through the displacement that rotatory produced under the screwed pipe 51, drive stripper plate 52 and remove to terminal surface baffle 2 direction, extrude elastic liquid bag 4 with terminal surface baffle 2, fill the gap between terminal surface baffle 2 and the big gun hole 1, improve the jam effect of minor diameter tunneling blasting, the plunger 53 of stripper plate 52 top plays the supporting role to whole big gun hole 1 simultaneously, avoid the subsidence of big gun hole 1, screwed pipe 51 carries out rotary displacement through the end 54 of screwing of installation at the top, screw the end 54 and adopt prismatic end convenient to use of instrument such as spanner.
The inner diameter of the blast hole 1, the diameter of the end baffle plate 2, the diameter of the plunger 53 and the diameter of the extrusion plate 52 are all the same, and the diameter of the elastic liquid bag 4 after extrusion is larger than the diameter of the blast hole 1.
In order to ensure that the end face baffle 2, the plunger 53 and the extrusion plate 52 can not only maximize the function of supporting the blast hole 1 or blocking the blast hole 1, but also smoothly plug in and out the blast hole 1, the inner diameter of the blast hole 1, the diameter of the end face baffle 2, the diameter of the plunger 53 and the extrusion plate 52 are set to be uniform.
The distance between the bottom of the screwing end head 54 and the fixed frame 6 is D1, the vertical distance between the extruding plate 52 and the end baffle 2 is D2, and D1 and D2 meet the requirement that D1 is larger than or equal to D2.
The length of D1 is equal to the movable length of the thread blocking pressing mechanism 5 in the fixed frame 6, and the length of D2 is equal to the length from the initial state of the thread blocking pressing mechanism 5 to the length of completely extruding the elastic liquid bag 4, so that when D1 and D2 meet D1 not less than D2, the elastic liquid bag 4 can be extruded to the greatest extent, the better the gap filling effect is, and the blocking effect of small-diameter tunneling blasting is improved.
The fixed frame 6 includes fixed roof 7 and fixed bottom plate 8, connects through curb plate 9 between fixed roof 7 and the fixed bottom plate 8, and fixed roof 7's bottom fixed mounting is at the end of keeping away from terminal surface baffle 2 of threaded rod 3, and fixed bottom plate 8 rotates the installation in the outside of screwed pipe 51.
The installation of the fixed frame 6 makes the end face baffle 2 and the threaded column fixed on the rock mass around the blast hole 1, guarantees the stability of the whole blast hole 1 blocking device, and simultaneously can facilitate the operator to screw the screwing end 54 by using tools through the interaction space between the fixed top plate 7 and the fixed bottom plate 8, and simultaneously the fixed bottom plate 8 is rotatably installed outside the threaded pipe 51, so that the rotation of the threaded blocking pressing mechanism 5 is not influenced by the fixed frame 6.
The fixed bottom plate 8 is provided with a fixed groove 10, and an expansion bolt 11 is arranged in the fixed groove 10.
The entire blasthole 1 plugging device can be firmly fixed on the rock mass around the blasthole 1 by driving the expansion bolts 11 into the fixing grooves 10.
The end of the threaded rod 3 remote from the end stop 2 is coated with a length marking 12.
The length marking 12 at the end of the threaded rod 3 can enable operators to clearly record displacement values, and the displacement distance of the extrusion plate 52 can be mastered by recording the scale values of the initial state and the distance between the extrusion plate 52 and the end face baffle 2 in the initial state, so that the distance between the extrusion plate 52 and the end face baffle 2 can be mastered at any time, and the damage to the elastic liquid bag 4 caused by exceeding the compression limit of the elastic liquid bag 4 is avoided.
According to the utility model, the threaded pressing and blocking mechanism 5 is matched with the threaded rod 3 and the end face baffle 2, the end face baffle 2 provides a first supporting and blocking function, and then the elastic liquid bag 4 is extruded by the rotation and displacement of the threaded pressing and blocking mechanism 5 to supplement and fill gaps which cannot be blocked by the end face baffle 2, so that the blocking quality of the blasthole 1 in small-diameter tunnel tunneling and blasting construction is improved, and the blasting effect in small-diameter tunnel tunneling and blasting construction is improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a small diameter tunnel tunnelling blasting construction's big gun hole blocking device which characterized in that: the device comprises a blast hole, wherein an end face baffle is arranged in the blast hole, a threaded rod is fixedly arranged on one side, close to an opening of the blast hole, of the end face baffle, an elastic liquid bag is arranged on the threaded rod in a surrounding mode, a thread pressing and blocking mechanism is arranged on one side, close to the opening of the blast hole, of the elastic liquid bag in a matched mode, the thread pressing and blocking mechanism is in spiral matching with the threaded rod, a fixed frame is arranged at the end, far away from the end face baffle, of the threaded rod, and the fixed frame and the thread pressing and blocking mechanism are rotatably arranged;
the screw thread is pressed stifled mechanism and is included the screwed pipe, the screwed pipe spiral is installed the outside of threaded rod, the stripper plate is installed around the bottom of screwed pipe, the top fixed mounting of stripper plate has the plunger, the top of screwed pipe is installed and is revolved the screw head.
2. The blasthole plugging device for small-diameter tunnel excavation blasting construction according to claim 1, wherein: the inner diameter of the blast hole, the diameter of the end face baffle plate, the diameter of the plunger and the diameter of the extrusion plate are all the same, and the diameter of the elastic liquid bag after extrusion is larger than the diameter of the blast hole.
3. The blasthole plugging device for small-diameter tunnel excavation blasting construction according to claim 1, wherein: the distance between the bottom of the screwing end head and the fixed frame is D1, the vertical distance between the extruding plate and the end face baffle is D2, and D1 and D2 meet the requirement that D1 is more than or equal to D2.
4. The blasthole plugging device for small-diameter tunnel excavation blasting construction according to claim 1, wherein: the fixed frame comprises a fixed top plate and a fixed bottom plate, the fixed top plate is connected with the fixed bottom plate through a side plate, the bottom of the fixed top plate is fixedly installed at the end, far away from the end face baffle, of the threaded rod, and the fixed bottom plate is installed at the outer portion of the threaded pipe in a rotating mode.
5. The blasthole plugging device for small-diameter tunnel excavation blasting construction of claim 4, wherein: the fixed bottom plate is provided with a fixed groove, and an expansion bolt is arranged in the fixed groove.
6. The blasthole plugging device for small-diameter tunnel excavation blasting construction of claim 4, wherein: the end of the threaded rod far away from the end face baffle plate is coated with a length marking line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321343160.7U CN220018338U (en) | 2023-05-30 | 2023-05-30 | Blast hole blocking device for small-diameter tunnel tunneling blasting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321343160.7U CN220018338U (en) | 2023-05-30 | 2023-05-30 | Blast hole blocking device for small-diameter tunnel tunneling blasting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220018338U true CN220018338U (en) | 2023-11-14 |
Family
ID=88674482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321343160.7U Active CN220018338U (en) | 2023-05-30 | 2023-05-30 | Blast hole blocking device for small-diameter tunnel tunneling blasting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220018338U (en) |
-
2023
- 2023-05-30 CN CN202321343160.7U patent/CN220018338U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106437801B (en) | A kind of expansible reaming anchoring-bolt and method for protecting support | |
| CN101519965B (en) | Method and device for exploiting stone | |
| AU2017301081B2 (en) | Reaming and self-rotating anchor rod and using method thereof | |
| CN111441725B (en) | Reducing drill bit for nearly horizontal auger stem machine | |
| CN220018338U (en) | Blast hole blocking device for small-diameter tunnel tunneling blasting construction | |
| CN107489389A (en) | A kind of pneumatic down-hole hammer drilling well well head three-level sealing structure | |
| CN206987855U (en) | A kind of novel combination type grouted anchor bar | |
| CN219220466U (en) | Hollow grouting anchor rod | |
| CN209369803U (en) | A kind of coal mining cutting means | |
| CN207122292U (en) | A kind of well mouth seal structure for large diameter drilling | |
| CN110700761B (en) | Application method of seabed combustible ice mining drill bit | |
| CN114279905A (en) | Device and method for simulating drilling cuttings generation | |
| CN219412549U (en) | Drilling equipment hydraulic frame | |
| CN111550197B (en) | Soft soil layer foundation pit slope anchor rod drilling device | |
| CN217155185U (en) | Blasthole plugging equipment for mine blasting | |
| CN218583904U (en) | Mining deep hole blasting hole sealing device | |
| CN109854166B (en) | Double-buffering drilling pressure automatic control tool for electric drilling | |
| CN212508288U (en) | Tunneling mechanism of underground coal mine tunneling equipment | |
| CN212006953U (en) | Colliery is hole plugging device that digs in pit | |
| CN204877360U (en) | Quick hole sealing device of discharge hole water injection is taken out in utilization | |
| CN213269873U (en) | Oil well drill azimuth inclination measuring device based on high-precision optical fiber gyroscope | |
| CN216954242U (en) | High-efficient blocking device of blasting construction big gun hole | |
| CN203559917U (en) | Recyclable nylon split combination type anchor bolt | |
| CN220469814U (en) | Drilling equipment convenient to adjust for mine blasting | |
| CN219453276U (en) | Crushing head device for repairing non-excavation pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |