CN212376612U - Flap type orifice dust-proof device - Google Patents
Flap type orifice dust-proof device Download PDFInfo
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- CN212376612U CN212376612U CN202020293116.XU CN202020293116U CN212376612U CN 212376612 U CN212376612 U CN 212376612U CN 202020293116 U CN202020293116 U CN 202020293116U CN 212376612 U CN212376612 U CN 212376612U
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Abstract
The utility model relates to a down-the-hole hammer creeps into construction equipment technical field, concretely relates to lamella formula drill way dust keeper, it includes that one end is equipped with the open-ended dust cover, the dust cover is including the first cover body and the second cover body that can dismantle the connection, open-ended one side is kept away from to the first cover body is equipped with first breach, the second cover body is kept away from open-ended one side and is equipped with the second breach, first breach and second breach enclose to close the perforation that forms the drilling tool that supplies the down-the-hole hammer and pass, when bored concrete pile down-the-hole hammer creeps into, are used for blockking by broken dregs, detritus, dust of down-the-hole hammer from downthehole blowout and polluted environment, promote.
Description
Technical Field
The utility model relates to a down-the-hole hammer creeps into construction equipment technical field, concretely relates to lamella formula drill way dust keeper.
Background
When the cast-in-place pile is drilled by adopting the down-the-hole hammer, high wind pressure provided by an air compressor is used as power, the high wind pressure enters the down-the-hole hammer impacter to drive the down-the-hole hammer drill bit to perform high-speed reciprocating impact operation, and the muck and the rock debris crushed by the down-the-hole hammer are carried and discharged by the high wind pressure along with a gap between a drill rod and a hole wall of the down-the-hole hammer and are scattered to the ground. When the down-the-hole hammer drills in a soil layer section, the muck spraying hole opening has no regular splashing around, and dust is scattered around; when the down-the-hole hammer drills in a rock stratum, a large amount of rock slag and rock debris are sprayed out of an orifice and are mixed with large dust, so that the air quality and visibility around the orifice are seriously influenced, and the field civilized construction condition is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's not enough, the utility model provides a lamella formula drill way dust keeper when bored concrete pile down-the-hole hammer creeps into, is used for blockking by broken dregs of a hole hammer, detritus, dust along with high wind pressure from downthehole blowout and polluted environment, promotes on-the-spot civilized construction level.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a lamella formula drill way dust keeper, its includes that one end is equipped with the open-ended dust cover, the dust cover is including dismantling the first cover body and the second cover body of connection, the first cover body is kept away from open-ended one side and is equipped with first breach, the second cover body is kept away from open-ended one side and is equipped with the second breach, first breach and second breach enclose to close the perforation that forms the drilling tool that supplies the down-the-hole hammer and pass.
The dustproof cover is cylindrical, the first cover body comprises a first arc-shaped dustproof supporting portion and a first top plate fixedly arranged at one end of the first dustproof supporting portion, the first notch is arranged on the first top plate, the second cover body comprises a second arc-shaped dustproof supporting portion and a second top plate fixedly arranged at one end of the second dustproof supporting portion, the second notch is arranged on the second top plate, and the first cover body and the second cover body are symmetrically arranged.
The side parts of the first dustproof supporting part and the second dustproof supporting part, which are close to each other, are respectively provided with a plurality of first connecting lifting lugs and a plurality of second connecting lifting lugs, and the first connecting lifting lugs and the second connecting lifting lugs are respectively arranged in a one-to-one correspondence manner.
The first reinforcing piece is arranged along the arc-shaped edge of the first dustproof supporting part, and the inner wall of the first reinforcing piece is fixedly connected with the first dustproof supporting part and the outer peripheral edge of the first top plate; the junction of the second dustproof supporting part and the second top plate is provided with a second reinforcing piece, the second reinforcing piece is arranged along the arc edge of the second dustproof supporting part, and the inner wall of the second reinforcing piece is fixedly connected with the outer peripheral edge of the second dustproof supporting part and the outer peripheral edge of the second top plate.
Wherein, the center of the through hole and the axial lead of the dust cover are arranged in a staggered manner.
Wherein, be provided with a plurality of on first roof and the second roof and promote the lug respectively.
Wherein, the diameter of the dust cover is 1400-1600mm, and the height of the dust cover is 1500-1700 mm.
Wherein the diameter of the through hole is 920-940 mm.
The utility model has the advantages that:
the utility model discloses a dust cover covers the drill way completely, will accomodate at drill way spun dregs, detritus, dust at the dust cover within range, has avoided the dregs and the irregular spraying of dust, has effectively promoted civilized construction level, has extended the application range of down-the-hole hammer rig.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the invention;
fig. 3 is a schematic structural diagram of the embodiment of the present invention during construction.
Description of reference numerals: 1. a first cover body; 11. a first notch; 12. a first dust-proof support portion; 13. a first top plate; 14. the first connecting lifting lug; 15. a first reinforcement; 2. a second cover body; 21. a second notch; 22. a second dust-proof support portion; 23. a second top plate; 24. the second connecting lifting lug; 25. a second reinforcement; 3. and lifting the lifting lug.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.
A hinge type orifice dust-proof device is shown in figures 1-3 and comprises a dust cover with an opening at one end, wherein the dust cover comprises a first cover body 1 and a second cover body 2 which are detachably connected, a first notch 11 is arranged on one side, away from the opening, of the first cover body 1, a second notch 21 is arranged on one side, away from the opening, of the second cover body 2, and the first notch 11 and the second notch 21 enclose a through hole for a drilling tool of a down-the-hole hammer to pass through.
Will before drilling the utility model discloses a device is placed in the position in drill way to link together the first cover body 1 and the second cover body 2 and constitute the dust cover, the drilling tool of down-the-hole hammer drills through perforating, during drilling, because the dust cover in drill way, the dregs that makes the drilling in-process height wind pressure blow off, detritus, dust etc. all receive the effect that blocks of dust cover, can not spout the dust cover outside, effectively reduce dust in the drilling process, dregs etc. splash to the construction site all around, reduce the environmental pollution to the construction site.
The dust cover is cylindrical, the diameter of the dust cover is 1400-1600mm, and the height of the dust cover is 1500-1700mm, specifically, in this embodiment, the diameter of the dust cover is 1500mm, and the height of the dust cover is 1600 mm. The size of the perforation can be determined according to the diameter of the drill of the down-the-hole hammer, and since the diameter of the impact gun cover and the drill rod of the common down-the-hole hammer is 910mm, the diameter of the perforation is 920-940mm in order to prevent dust, muck and the like from flying out of the dust cover and ensure that the down-the-hole hammer can normally vibrate during drilling, and in the embodiment, the diameter of the perforation is 930 mm.
Wherein, the first cover body 1 includes curved first dustproof supporting part 12 and fixed first roof 13 of locating first dustproof supporting part 12 one end, first breach 11 is located on first roof 13, the second cover body 2 includes curved second dustproof supporting part 22 and fixed second roof 23 of locating second dustproof supporting part 22 one end, second breach 21 is located on second roof 23, the first cover body 1 and the second cover body 2 set up along the axis symmetry of dust cover.
In order to facilitate installation of a drilling tool of the down-the-hole hammer, the center of the through hole and the axis line of the dust cover are arranged in a staggered mode.
The side portions of the first dustproof supporting portion 12 and the second dustproof supporting portion 22, which are close to each other, are respectively provided with a plurality of first connecting lifting lugs 14 and a plurality of second connecting lifting lugs 24, and the plurality of first connecting lifting lugs 14 and the plurality of second connecting lifting lugs 24 are respectively arranged in a one-to-one correspondence manner, specifically, in this embodiment, the first lifting lugs and the second lifting lugs, which correspond to each other, are fixedly connected by bolts. When the dust cover is installed, the first cover body 1 and the second cover body 2 are aligned with each other, so that the first connecting lifting lugs 14 and the second connecting lifting lugs are in one-to-one correspondence, then the bolts are adopted for fixing, and after drilling is finished, the bolts are dismounted, so that the first cover body 1 and the second cover body 2 can be detached and separated. In other embodiments, the first lifting lug and the second lifting lug can be connected and fixed through a steel wire.
In order to enhance the connection strength between the first dustproof supporting portion 12 and the first top plate 13, a first reinforcing member 15 is arranged at the connection position of the first dustproof supporting portion 12 and the first top plate 13, the first reinforcing member 15 is arranged along the arc-shaped edge of the first dustproof supporting portion 12, and the inner wall of the first reinforcing member 15 is fixedly connected with the outer circumferential edges of the first dustproof supporting portion 12 and the first top plate 13.
Similarly, in order to strengthen the connection strength between the first dustproof supporting portion 12 and the first top plate 13, a second reinforcing member 25 is arranged at the joint of the second dustproof supporting portion 22 and the second top plate 23, the second reinforcing member 25 is arranged along the arc-shaped edge of the second dustproof supporting portion 22, and the inner wall of the second reinforcing member 25 is fixedly connected with the outer circumferential edges of the second dustproof supporting portion 22 and the second top plate 23.
Wherein, for the convenience of carrying the first cover body 1 and the second cover body 2, be provided with a plurality of promotion lug 3 on first roof 13 and the second roof 23 respectively, through setting up promotion lug 3, the staff can utilize the hoist to hang the first cover body 1 and the second cover body 2, saves labour, improves work efficiency.
Specifically, the clapper type orifice dustproof device is made of a steel plate, milk impacts on the surface of the clapper type orifice dustproof device, rock slag sprayed at a high speed cannot damage the clapper type orifice dustproof device, the clapper type orifice dustproof device can be repeatedly utilized, and the overall comprehensive cost is low.
The working process is as follows:
before the down-the-hole hammer drills, firstly, a dust cover is hung to the position of a drill hole through hoisting equipment, the first cover body 1 and the second cover body 2 are respectively and symmetrically placed on two sides of the down-the-hole hammer, then the first cover body 1 and the second cover body 2 are moved to enable the first cover body 1 and the second cover body 2 to be close to and attached to each other, after the first cover body 1 and the second cover body 2 are attached to each other, the down-the-hole hammer and a drill rod are located at the position of a through hole of the dust cover, the first connecting lifting lugs 14 on the first cover body 1 correspond to the second connecting lifting lugs 24 on the second cover body 2 one to one, then the first connecting lifting lugs 14 and the second connecting lifting lugs 24 are fixed through bolts, and installation work of the dust cover is completed. After drilling is finished, the first cover body 1 and the second cover body 2 of the dust cover are detached, and the dust cover is moved open by using hoisting equipment.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (8)
1. The utility model provides a lamella formula drill way dust keeper which characterized in that: be equipped with the open-ended dust cover including one end, the dust cover is including dismantling the first cover body and the second cover body of connection, the first cover body is kept away from open-ended one side and is equipped with first breach, the second cover body is kept away from open-ended one side and is equipped with the second breach, first breach and second breach enclose the perforation that closes the drilling tool that forms the confession down-the-hole hammer and pass.
2. The flapper orifice dust guard of claim 1, wherein: the dust cover is cylindrical, the first cover body includes curved first dustproof supporting part and the fixed first roof of locating first dustproof supporting part one end, first breach is located on the first roof, the second cover body includes curved second dustproof supporting part and the fixed second roof of locating second dustproof supporting part one end, the second breach is located on the second roof, the first cover body and the symmetry setting of the second cover body.
3. The flapper orifice dust guard of claim 2, wherein: the side parts, close to each other, of the first dustproof supporting part and the second dustproof supporting part are respectively provided with a plurality of first connecting lifting lugs and a plurality of second connecting lifting lugs, and the first connecting lifting lugs and the second connecting lifting lugs are arranged in a one-to-one correspondence mode respectively.
4. The flapper orifice dust guard of claim 2, wherein: a first reinforcing piece is arranged at the joint of the first dustproof supporting part and the first top plate, the first reinforcing piece is arranged along the arc-shaped edge of the first dustproof supporting part, and the inner wall of the first reinforcing piece is fixedly connected with the first dustproof supporting part and the outer peripheral edge of the first top plate; the junction of the second dustproof supporting part and the second top plate is provided with a second reinforcing piece, the second reinforcing piece is arranged along the arc edge of the second dustproof supporting part, and the inner wall of the second reinforcing piece is fixedly connected with the outer peripheral edge of the second dustproof supporting part and the outer peripheral edge of the second top plate.
5. The flapper orifice dust guard of claim 1, wherein: the center of the through hole and the axis of the dust cover are arranged in a staggered mode.
6. The flapper orifice dust guard of claim 2, wherein: and the first top plate and the second top plate are respectively provided with a plurality of lifting lugs.
7. The flapper orifice dust guard of claim 2, wherein: the diameter of the dust cover is 1400-1600mm, and the height of the dust cover is 1500-1700 mm.
8. The flapper orifice dust guard of claim 2, wherein: the diameter of the through hole is 920-940 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293116.XU CN212376612U (en) | 2020-03-11 | 2020-03-11 | Flap type orifice dust-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293116.XU CN212376612U (en) | 2020-03-11 | 2020-03-11 | Flap type orifice dust-proof device |
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| Publication Number | Publication Date |
|---|---|
| CN212376612U true CN212376612U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020293116.XU Active CN212376612U (en) | 2020-03-11 | 2020-03-11 | Flap type orifice dust-proof device |
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| CN (1) | CN212376612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796690A (en) * | 2021-01-26 | 2021-05-14 | 中铁大桥局集团第六工程有限公司 | Mud anti-splash device for punching cast-in-place pile construction and construction method |
| CN113787444A (en) * | 2021-10-09 | 2021-12-14 | 长沙金镂机械科技有限公司 | Surface polishing device for PDCPD covering piece injection molding mold |
-
2020
- 2020-03-11 CN CN202020293116.XU patent/CN212376612U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796690A (en) * | 2021-01-26 | 2021-05-14 | 中铁大桥局集团第六工程有限公司 | Mud anti-splash device for punching cast-in-place pile construction and construction method |
| CN112796690B (en) * | 2021-01-26 | 2024-06-11 | 中铁大桥局集团第六工程有限公司 | Mud splash-proof device for construction of punched bored pile and construction method |
| CN113787444A (en) * | 2021-10-09 | 2021-12-14 | 长沙金镂机械科技有限公司 | Surface polishing device for PDCPD covering piece injection molding mold |
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