CN220304407U - Bridge tunnel pile foundation blasting construction orifice anti-flying stone device - Google Patents
Bridge tunnel pile foundation blasting construction orifice anti-flying stone device Download PDFInfo
- Publication number
- CN220304407U CN220304407U CN202321919272.2U CN202321919272U CN220304407U CN 220304407 U CN220304407 U CN 220304407U CN 202321919272 U CN202321919272 U CN 202321919272U CN 220304407 U CN220304407 U CN 220304407U
- Authority
- CN
- China
- Prior art keywords
- wall
- ring
- fixed ring
- pile foundation
- bridge tunnel
- Prior art date
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- 238000005422 blasting Methods 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000004575 stone Substances 0.000 title claims description 11
- 230000002265 prevention Effects 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010920 waste tyre Substances 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to the technical field of blasting construction protection, in particular to an orifice anti-flystone device for blasting construction of a bridge tunnel pile foundation, which comprises an outer fixed ring, and further comprises a keel frame uniformly and fixedly connected with the inner wall of the outer fixed ring, wherein the other end of the keel frame is fixedly connected with an inner fixed ring, the inner wall of the inner fixed ring is slidably connected with a limiting rod, the top of the inner fixed ring is fixedly connected with a limiting frame, and the inner wall of the limiting frame is rotatably connected with a rotating rod.
Description
Technical Field
The utility model relates to the technical field of blasting construction protection, in particular to a bridge tunnel pile foundation blasting construction orifice flyrock prevention device.
Background
At present, the foundation of the manual hole digging pile for the bridge tunnel pile foundation is gradually increased, and the manual hole digging pile has the advantages of large bearing capacity, simple construction equipment, reliable quality, short construction period, low construction cost and the like, and most of the manual hole digging piles adopt a construction method of combining blasting and then manual slag removal.
During blasting construction, the cannon woven by the waste tires is covered by the pile opening, so that flying stones generated during blasting are prevented from damaging personal safety of constructors, but because the cannon quilt is paved at the orifice, a relatively airtight space is formed in the hole pile, a large amount of high-temperature and high-pressure gas generated during blasting is suddenly released, so that the internal pressure of the hole pile is far greater than the external atmospheric pressure, the cannon is easy to be lifted, and the high-pressure gas is splashed out from gaps when the cannon is lifted with the flying stones, so that the method for paving the cannon by the flying stones is only paved at the orifice, and the protection effect is lower.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the bridge tunnel pile foundation blasting construction orifice flyrock prevention device.
The utility model provides the following technical scheme: the bridge tunnel pile foundation blasting construction orifice anti-flystone device comprises an outer fixed ring, and further comprises a keel frame which is uniformly and fixedly connected with the inner ring wall of the outer fixed ring, the other end of the keel frame is fixedly connected with an inner fixed ring, the inner ring wall of the inner fixed ring is slidably connected with a limiting rod, the top of the inner fixed ring is fixedly connected with a limiting frame, the inner ring wall of the limiting frame is rotationally connected with a rotating rod, the top of the limiting rod is provided with a thread groove, one end of the rotating rod extends into the thread groove and is in threaded connection with the thread groove, the outer ring wall of the limiting rod is uniformly provided with a storage groove, the inner wall of the storage groove is hinged with a torsion bar through a torsion spring, the outer wall of the torsion bar can be in contact with the inner ring wall of the inner fixed ring, the other end wall of the torsion bar is provided with a hook block used for hooking the inner wall of a construction orifice, the outer wall of the inner fixed ring is fixedly connected with a gun quilt, and the other end walls of the gun quilt are respectively fixedly connected with the outer wall of the keel frame and the inner wall of the outer fixed ring; through the torsion angle of control torsion board for the hook piece can hook the hole stake inner wall of different apertures, increases its practicality and compatibility, and utilizes the high-pressure gas that produces when blasting, makes the hook piece tighter to the inner wall of hole stake more, so that the big gun is covered the drill way, thereby prevents that the flying stone from causing the influence to constructor's safety.
Further, the bottom of the outer fixing ring is fixedly connected with a telescopic ring which can be telescopic, and the other end of the telescopic ring is fixedly connected with a rubber ring; through setting up the expansion collar for the expansion collar can be under self gravity extension, thereby makes the hook piece when the high-pressure gas that the hole stake inner wall produced because of blasting is hooked and moves up, and the expansion collar can be extended and drive the rubber ring laminating near hole stake hole mouth ground, thereby prevents that the flying stone from flying out from the space between outer fixed ring and the ground, causes the influence to staff's personal safety.
Further, the inner ring wall of the telescopic ring is uniformly provided with air inlets communicated with the inside of the telescopic ring; through setting up the inlet port, the high-pressure gas that the blasting produced can enter into the inlet port in to afterwards enter into the expansion ring from the inlet port inside, thereby make the expansion ring drive the rubber ring and closely laminate ground under the promotion of high-pressure gas, thereby increase the airtight effect of rubber ring.
Further, the hook block is hinged with the torsion bar; the hook block is hinged with the torsion bar when the torsion bar is used, so that the hook block can twist a certain angle, and the hook block can be easily pulled out of the inner wall of the hole pile along with the descending of the torsion bar.
Further, an adjusting disc is arranged at the top of the rotating rod; through setting up the regulating disk to make things convenient for constructor to rotate the torsion angle of torsion bar and adjust.
Further, the bottom opening of the inner fixing ring is arranged in an arc shape; the arc-shaped arrangement of the inner fixing ring can prevent excessive friction between the outer wall of the torsion bar and the inner wall of the opening of the inner fixing ring, so that the torsion bar is clamped after being worn mutually.
The utility model has the technical effects and advantages that:
1. according to the utility model, the torsion angle of the torsion plate is controlled, so that the hook block can hook the inner walls of the hole piles with different apertures, the practicability and compatibility of the hole piles are improved, and the high-pressure gas generated during blasting is utilized to enable the hook block to hook and tighten the inner walls of the hole piles, so that the gun is covered on the hole openings, and the influence of flying stones on the safety of constructors is prevented.
2. According to the utility model, the telescopic ring is arranged, so that the telescopic ring can be stretched under the gravity of the telescopic ring, and when the hook block is hooked on the inner wall of the hole pile to move upwards due to high-pressure gas generated by blasting, the telescopic ring can be stretched to drive the rubber ring to be attached to the ground near the hole of the hole pile, thereby preventing flying stones from flying out from a gap between the outer fixed ring and the ground and affecting the personal safety of workers.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of a stop lever of the present utility model;
fig. 3 is an internal structural view of the expansion ring in the present utility model.
The reference numerals are: 1. an outer fixing ring; 2. a keel frame; 3. an inner fixing ring; 4. a limit rod; 5. a limiting frame; 6. a rotating rod; 7. a thread groove; 8. a storage groove; 9. a torsion bar; 10. a hook block; 11. a quilt; 12. a telescopic ring; 13. a rubber ring; 14. an air inlet hole; 15. an adjusting disk.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model are within the scope of the utility model, as will be apparent to those of ordinary skill in the art without any inventive effort.
Referring to fig. 1-3, the utility model provides a bridge tunnel pile foundation blasting construction orifice anti-flyash device, which comprises an outer fixed ring 1, and further comprises a keel frame 2 which is uniformly and fixedly connected with the inner ring wall of the outer fixed ring 1, wherein the other end of the keel frame 2 is fixedly connected with an inner fixed ring 3, the inner ring wall of the inner fixed ring 3 is in sliding connection with a limiting rod 4, the top of the inner fixed ring 3 is fixedly connected with a limiting frame 5, the inner ring wall of the limiting frame 5 is rotationally connected with a rotating rod 6, the top of the limiting rod 4 is provided with a thread groove 7, one end of the rotating rod 6 extends into the thread groove 7 and is in threaded connection with the thread groove 7, the outer ring wall of the limiting rod 4 is uniformly provided with a storage groove 8, the inner wall of the storage groove 8 is hinged with a torsion bar 9 through a torsion spring, the outer wall of the torsion bar 9 can be contacted with the inner ring wall of the inner fixed ring 3, the other end outer wall of the torsion bar 9 is provided with a hook block 10 used for hooking the inner wall of the construction orifice, the outer wall of the inner fixed ring 3 is fixedly connected with a cannon 11, and the end wall of the cannon 11 is fixedly connected with the cannon 11 and the outer wall of the cannon 11 is fixedly connected with the outer ring 1 and the outer ring of the keel frame 2 respectively; through the torsion angle of control torsion board for hook piece 10 can hook the hole stake inner wall of different apertures, increases its practicality and compatibility, and utilize the high-pressure gas that produces when blasting, make hook piece 10 more the hook tighter to the inner wall of hole stake, with this make the big gun covered the drill way by 11, thereby prevent that the flying stone from causing the influence to constructor's safety.
The bottom of the outer fixing ring 1 is fixedly connected with a telescopic ring 12 which can be telescopic, and the other end of the telescopic ring 12 is fixedly connected with a rubber ring 13; through setting up expansion ring 12 for expansion ring 12 can extend under self gravity, thereby make hook piece 10 when pointing out the high-pressure gas that the hole stake inner wall produced because of the blasting and upwards move, expansion ring 12 can extend and drive rubber ring 13 laminating in the near ground of hole stake hole mouth, thereby prevent that the flyrock from flying out from the space between outer fixed ring 1 and the ground, cause the influence to staff's personal safety.
Wherein, the inner ring wall of the telescopic ring 12 is uniformly provided with an air inlet 14 communicated with the inside; by arranging the air inlet hole 14, high-pressure air generated by blasting enters the air inlet hole 14 and then enters the telescopic ring 12 from the air inlet hole 14, so that the telescopic ring 12 stretches under the pushing of the high-pressure air to drive the rubber ring 13 to tightly fit the ground, and the sealing effect of the rubber ring 13 is improved.
Wherein the hook block 10 is hinged with the torsion bar 9; through the articulated of the hook block 10 and the torsion bar 9, the hook block 10 can twist a certain angle, so that the hook block 10 can be easily pulled out of the inner wall of the hole pile along with the descending of the torsion bar 9, and the hook block 10 is not easy to be blocked when being pulled out.
Wherein, the top of the rotating rod 6 is provided with an adjusting disk 15; through setting up adjustment disk 15 to make things convenient for constructor to rotate bull stick 6 and adjust torsion angle of torsion bar 9.
Further, the bottom opening of the inner fixing ring 3 is arranged in an arc shape; the arc-shaped arrangement of the inner fixing ring 3 can prevent the outer wall of the torsion bar 9 and the inner wall of the opening of the inner fixing ring 3 from being excessively rubbed, so that the torsion bar is clamped after being worn mutually.
The working principle of the utility model is as follows:
when the explosion protection device is used, a constructor covers the outer fixing ring 1 on an orifice and rotates the rotating rod 6, so that the rotating rod 6 rotates to push the limiting rod 4 downwards along the inner wall of the inner fixing ring 3 through the thread groove 7, the limiting rod 4 is not in contact with the inner ring wall of the inner fixing ring 3 along with the movement of the limiting rod 4, the torsion rod 9 starts to twist under the action of the torsion spring, so that the hook block 10 is driven to move and be attached to the inner wall of the hole pile, when the inside of the hole pile is exploded, high-pressure gas is generated, the high-pressure gas pushes the cannon 11, the cannon 11 drives the outer fixing ring 1 and the inner fixing ring 3 to move upwards, and at the moment, the inner fixing ring 3 cannot slide along with the inner wall of the inner fixing ring 3 because the rotating rod 6 does not rotate, so that the inner fixing ring 3 can drive the limiting rod 4 to move upwards together, the torsion rod 9 drives the hook block 10 to move upwards, the hook block 10 is embedded into the inner wall of the hole pile when the torsion rod 9 moves upwards, and the hook block 10 moves along with the movement of the hook block 10, so that the cannon 10 is pulled by the hook block 10, and the cannon 9 is pulled by the hook block 10, and the inner fixing ring 3 cannot be pushed by the inner fixing ring 11, and the inner fixing ring 11 is continuously and the inner fixing ring 11 is prevented from being pushed by the inner fixing ring 11;
when the blasting is completed, the constructor reversely rotates the rotary rod 6, and similarly, the torsion bar 9 moves upwards at the moment and resets and twists when moving upwards, the torsion bar 9 resets and twists to enable the hook block 10 to move towards the center of the inner fixing ring 3, so that the hook block 10 can be pulled away from the inner wall of the hole pile, the hook block 10 is enabled to be not hooked on the inner wall of the hole pile any more to fix the gun cover 11, and at the moment, the gun cover 11 is movable and no longer covers the hole.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. Bridge tunnel pile foundation blasting construction drill way anti-flying stone device, including outer fixed ring (1), its characterized in that: still include even fixed connection fossil fragments frame (2) of outer solid fixed ring (1) inner circle wall, the other end fixedly connected with inner fixed ring (3) of fossil fragments frame (2), the inner circle wall sliding connection of inner fixed ring (3) has gag lever post (4), the top fixedly connected with gag lever post (5) of inner fixed ring (3), the inner circle wall rotation of gag lever post (5) is connected with bull stick (6), screw thread groove (7) have been seted up at the top of gag lever post (4), the one end of bull stick (6) extends to in screw thread groove (7) and with screw thread groove (7) carries out threaded connection, storage groove (8) have evenly been seted up to the outer lane wall of gag lever post (4), just the inner wall of storage groove (8) has torsion bar (9) through the hinge, just the outer wall of torsion bar (9) can with the inner circle wall contact of inner fixed ring (3), the other end outer wall of torsion bar (9) is provided with hook piece (10) that are used for the construction drill way inner wall, the outer wall fixed connection of inner wall (3) is by (11) are hooked by outer wall (11) of outer wall (2) of cannon (1) and fixed ring (2) are fixed respectively.
2. The bridge tunnel pile foundation blasting construction orifice flyrock prevention device according to claim 1, wherein: the bottom of the outer fixed ring (1) is fixedly connected with a telescopic ring (12) which can be telescopic, and the other end of the telescopic ring (12) is fixedly connected with a rubber ring (13).
3. The bridge tunnel pile foundation blasting construction orifice flyrock prevention device according to claim 2, wherein: the inner ring wall of the telescopic ring (12) is uniformly provided with air inlets (14) communicated with the inside of the telescopic ring.
4. The bridge tunnel pile foundation blasting construction orifice flyrock prevention device according to claim 1, wherein: the hook block (10) is hinged with the torsion bar (9).
5. The bridge tunnel pile foundation blasting construction orifice flyrock prevention device according to claim 1, wherein: an adjusting disc (15) is arranged at the top of the rotating rod (6).
6. The bridge tunnel pile foundation blasting construction orifice flyrock prevention device according to claim 1, wherein: the bottom opening of the inner fixing ring (3) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919272.2U CN220304407U (en) | 2023-07-20 | 2023-07-20 | Bridge tunnel pile foundation blasting construction orifice anti-flying stone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919272.2U CN220304407U (en) | 2023-07-20 | 2023-07-20 | Bridge tunnel pile foundation blasting construction orifice anti-flying stone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304407U true CN220304407U (en) | 2024-01-05 |
Family
ID=89348963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321919272.2U Active CN220304407U (en) | 2023-07-20 | 2023-07-20 | Bridge tunnel pile foundation blasting construction orifice anti-flying stone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304407U (en) |
-
2023
- 2023-07-20 CN CN202321919272.2U patent/CN220304407U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |